/* ===================================================================
   VĂN MINH SỐ — GLOBAL STYLESHEET
   Bộ màu chuẩn: 7 màu chính thức + 2 gradient brand
=================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800&display=swap');

:root{
  /* ---- 7 màu chính thức ---- */
  --teal-dark:   #005E52;   /* nền chủ đạo ~50% */
  --teal:        #007D6B;   /* điểm nhấn/bổ trợ ~10% */
  --teal-light:  #99D4C8;   /* điểm nhấn/bổ trợ ~10% */
  --gold:        #DA9D28;   /* nhấn cao cấp, CTA, icon ~10% */
  --gold-light:  #FFCF45;   /* phụ trợ gradient/hover */
  --cream:       #F5F1E6;   /* nền sáng/trung tính ~10% */
  --brown:       #4A341D;   /* chiều sâu, footer/accent truyền thống */

  /* ---- gradient brand ---- */
  --gradient-vertical: linear-gradient(180deg, #00A88B 0%, #031411 100%);
  --gradient-gold:     linear-gradient(90deg, #DA9D28 0%, #FFCF45 100%);

  /* ---- derived tones (chỉ alpha/shade của 7 màu trên, không thêm màu mới) ---- */
  --teal-dark-90: rgba(0,94,82,.92);
  --teal-dark-60: rgba(0,94,82,.6);
  --ink:          #04201C;            /* shade tối của teal-dark, dùng cho text trên nền sáng */
  --cream-soft:   #FBF9F3;            /* tint sáng của cream, dùng cho nền section sáng */
  --line-light:   rgba(245,241,230,.14);
  --line-dark:    rgba(4,32,28,.1);

  /* ---- typography ---- */
  --font-display: 'Be Vietnam Pro', 'Inter', -apple-system, sans-serif;
  --font-body: 'Be Vietnam Pro', 'Inter', -apple-system, sans-serif;

  /* ---- layout ---- */
  --container: 1180px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-soft: 0 20px 50px -20px rgba(4,32,28,.25);
  --shadow-gold: 0 10px 30px -8px rgba(218,157,40,.45);

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ===================== RESET ===================== */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}
body,h1,h2,h3,h4,p,figure,ul,ol{ margin:0; }
ul{ padding:0; list-style:none; }
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; cursor:pointer; }
input,textarea,select{ font:inherit; }

body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream-soft);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

:focus-visible{ outline:3px solid var(--gold-light); outline-offset:2px; border-radius:4px; }

/* ===================== TYPE SCALE ===================== */
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:700; line-height:1.18; color:var(--teal-dark); letter-spacing:-.015em; }
h1{ font-size:clamp(2.1rem, 1.4rem + 2.2vw, 3.2rem); }
h2{ font-size:clamp(1.7rem, 1.3rem + 1.3vw, 2.3rem); }
h3{ font-size:clamp(1.2rem, 1.05rem + .5vw, 1.4rem); font-weight:600; }
h4{ font-size:1.02rem; font-weight:600; }
p{ font-size:1rem; }
.lede{ font-size:clamp(1.05rem,1rem + .3vw,1.2rem); color:rgba(4,32,28,.72); }

.eyebrow{
  display:inline-flex; align-items:center; gap:.5rem;
  font-family:var(--font-body); font-weight:700; font-size:.78rem;
  letter-spacing:.14em; text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{ content:''; width:18px; height:2px; background:var(--gold); border-radius:2px; }

.on-dark .eyebrow{ color:var(--gold-light); }
.on-dark h1,.on-dark h2,.on-dark h3,.on-dark h4{ color:var(--cream); }
.on-dark p,.on-dark .lede{ color:rgba(245,241,230,.78); }

/* ===================== LAYOUT HELPERS ===================== */
.container{ width:100%; max-width:var(--container); margin-inline:auto; padding-inline:24px; }
.section{ padding-block:30px; position:relative; }
.section--light{ background:var(--cream-soft); }
.section--dark{ background:var(--gradient-vertical); color:var(--cream); }
.section--brand{ background:var(--teal-dark); color:var(--cream); }
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4,
.section--brand h1,.section--brand h2,.section--brand h3,.section--brand h4{ color:var(--cream); }
.section-head{ max-width:680px; margin-bottom:48px; }
.section-head.center{ margin-inline:auto; text-align:center; }

.grid{ display:grid; gap:28px; }
@media (min-width:600px){
  .grid--2x2-early{ grid-template-columns:repeat(2,1fr); }
}
@media (min-width:760px){
  .grid--2{ grid-template-columns:repeat(2,1fr); }
  .grid--3{ grid-template-columns:repeat(3,1fr); }
  .grid--4{ grid-template-columns:repeat(4,1fr); }
}

/* ===================== DECORATIVE PATTERN (Trống đồng / Mây Việt) ===================== */
.pattern-drum{
  position:absolute; inset:0; pointer-events:none; z-index:0;
  background-image:
    radial-gradient(circle at 50% 50%, transparent 0 58px, var(--line-light) 59px 60px, transparent 61px 86px, var(--line-light) 87px 88px, transparent 89px 116px, var(--line-light) 117px 118px, transparent 119px 150px, var(--line-light) 151px 152px, transparent 153px);
  background-repeat:no-repeat;
  background-position:var(--drum-pos,80% -10%);
  background-size:560px 560px;
  opacity:.45;
}
.pattern-cloud{
  position:absolute; inset:0; pointer-events:none; z-index:0; overflow:hidden;
}
.pattern-cloud svg{ position:absolute; opacity:.16; }

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  padding:.95rem 1.7rem; border-radius:999px; font-weight:600; font-size:.95rem;
  border:1px solid transparent; transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--gradient-gold); color:var(--ink); box-shadow:var(--shadow-gold); }
.btn-primary:hover{ box-shadow:0 16px 36px -8px rgba(218,157,40,.55); }
.btn-outline{ border-color:rgba(245,241,230,.55); color:var(--cream); }
.btn-outline:hover{ background:rgba(245,241,230,.1); }
.btn-outline.on-light{ border-color:var(--teal-dark); color:var(--teal-dark); }
.btn-outline.on-light:hover{ background:rgba(0,94,82,.06); }
.btn-text{ color:var(--gold); font-weight:600; gap:.4rem; }
.btn-text svg{ transition:transform .25s var(--ease); }
.btn-text:hover svg{ transform:translateX(4px); }
.btn-sm{ padding:.6rem 1.1rem; font-size:.85rem; }

.store-badges{ display:flex; gap:12px; flex-wrap:wrap; }
.store-badge{
  display:inline-flex; align-items:center; gap:.6rem; padding:.65rem 1.1rem;
  background:var(--ink); color:var(--cream); border-radius:12px; font-size:.85rem;
  border:1px solid rgba(245,241,230,.18);
}
.store-badge small{ display:block; font-size:.62rem; opacity:.7; letter-spacing:.04em; }
.store-badge strong{ font-size:.92rem; }

.store-badge-img{ display:inline-flex; transition:transform .25s var(--ease), opacity .25s var(--ease); }
.store-badge-img img{ height:46px; width:auto; display:block; }
.store-badge-img:hover{ transform:translateY(-2px); opacity:.9; }
@media (max-width:560px){ .store-badge-img img{ height:42px; } }

/* ===================== HEADER ===================== */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding-block:16px;
  transition:background .35s var(--ease), box-shadow .35s var(--ease), padding .35s var(--ease);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand{ display:flex; align-items:center; gap:.65rem; }
.brand img{ width:42px; height:42px; border-radius:50%; }
.brand-name{ font-family:var(--font-display); font-weight:700; font-size:1.15rem; line-height:1.1; color:var(--cream); text-transform:uppercase; letter-spacing:.02em; }
.brand-tag{ display:block; font-family:var(--font-body); font-size:.6rem; letter-spacing:.12em; text-transform:uppercase; color:var(--gold-light); font-weight:600; }

.nav{ display:flex; align-items:center; gap:1.6rem; }
.nav-links{ display:flex; align-items:center; gap:1.4rem; }
.nav-links a{ font-size:.92rem; font-weight:500; color:var(--cream); position:relative; padding:.3rem 0; white-space:nowrap; }
.nav-links a::after{ content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--gold); transform:scaleX(0); transition:transform .25s var(--ease); }
.nav-links a:hover::after, .nav-links a.active::after{ transform:scaleX(1); }
.nav-links a.active{ color:var(--gold-light); }

.has-sub{ position:relative; }
.has-sub > a{ display:flex; align-items:center; gap:.3rem; }
.submenu{
  position:absolute; top:calc(100% + 14px); left:50%; transform:translateX(-50%) translateY(6px);
  background:var(--cream); border-radius:var(--radius-md); box-shadow:var(--shadow-soft);
  padding:10px; width:240px; opacity:0; visibility:hidden; transition:opacity .2s var(--ease), transform .2s var(--ease);
}
.has-sub:hover .submenu{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }
.submenu a{ display:block; color:var(--ink); padding:.6rem .7rem; border-radius:10px; font-size:.88rem; }
.submenu a:hover{ background:rgba(0,94,82,.07); }
.submenu a::after{ display:none; }

.header-cta{ display:flex; align-items:center; gap:1rem; }
.menu-toggle{ display:none; background:none; border:none; padding:6px; }
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
  content:''; display:block; width:24px; height:2px; background:var(--cream); border-radius:2px; position:relative; transition:.25s var(--ease);
}
.menu-toggle span::before{ position:absolute; top:-8px; }
.menu-toggle span::after{ position:absolute; top:8px; }

.site-header.is-solid{ background:var(--cream-soft); box-shadow:0 8px 24px -16px rgba(4,32,28,.3); padding-block:10px; }
.site-header.is-solid .brand-name{ color:var(--teal-dark); }
.site-header.is-solid .nav-links a{ color:var(--ink); }
.site-header.is-solid .nav-links a.active{ color:var(--teal); }
.site-header.is-solid .menu-toggle span,
.site-header.is-solid .menu-toggle span::before,
.site-header.is-solid .menu-toggle span::after{ background:var(--ink); }

@media (max-width:980px){
  .nav-links, .header-cta .btn-outline{ display:none; }
  .menu-toggle{ display:block; }
  .nav.is-open .nav-links{
    display:flex; flex-direction:column; align-items:stretch; gap:0;
    position:absolute; top:100%; left:0; right:0;
    background:#013E36;
    padding:6px 22px 14px;
    box-shadow:0 22px 44px -16px rgba(0,0,0,.55);
    border-top:1px solid rgba(245,241,230,.14);
  }
  .nav.is-open .nav-links > li{ width:100%; }
  .nav.is-open .nav-links > li > a{
    width:100%; padding:.95rem 0; border-bottom:1px solid var(--line-light);
    color:var(--cream); display:flex; align-items:center; justify-content:space-between;
  }
  .nav.is-open .nav-links a::after{ display:none; } /* tắt gạch chân vàng trong menu mobile */
  .nav.is-open .nav-links > li:last-child > a{ border-bottom:none; }
  .site-header.is-solid .nav.is-open .nav-links{ background:var(--cream-soft); border-top-color:var(--line-dark); }
  .site-header.is-solid .nav.is-open .nav-links > li > a{ color:var(--ink); border-color:var(--line-dark); }
  /* Mobile: ẩn submenu, "App Văn Minh Số" là link trực tiếp */
  .nav.is-open .has-sub .submenu{ display:none !important; }
  .nav.is-open .has-sub > a svg{ display:none; }
  .nav.is-open .submenu a{ padding:.55rem 0; border-bottom:none; font-size:.86rem; color:rgba(245,241,230,.78); }
  .site-header.is-solid .nav.is-open .submenu a{ color:rgba(4,32,28,.7); }
}
@media (max-width:420px){
  .brand-tag{ display:none; }
}

/* ===================== HERO (home) ===================== */
.hero{
  position:relative; overflow:hidden; color:var(--cream);
  background:var(--gradient-vertical);
  padding-top:calc(108px + clamp(40px,6vw,72px)); padding-bottom:clamp(60px,8vw,96px);
}
.hero .container{ position:relative; z-index:2; display:grid; gap:48px; align-items:center; }
.hero .container > *{ min-width:0; }
@media (min-width:900px){ .hero .container{ grid-template-columns:1.05fr .95fr; } }
.hero h1{ color:var(--cream); margin-block:18px 16px; }
.hero h1 .accent{ background:var(--gradient-gold); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero p{ color:rgba(245,241,230,.8); max-width:520px; margin-bottom:30px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:34px; }

/* Họa tiết trống đồng Đông Sơn — nửa trống chìm mờ bên trái hero */
.hero-drum{
  position:absolute; top:50%; left:0; z-index:0; pointer-events:none;
  width:clamp(840px,92vw,1440px); height:auto; aspect-ratio:1;
  transform:translate(-46%,-50%);
  opacity:.5; mix-blend-mode:screen;
  -webkit-mask:radial-gradient(circle at 50% 50%, #000 52%, transparent 68%);
          mask:radial-gradient(circle at 50% 50%, #000 52%, transparent 68%);
  animation:drum-spin 120s linear infinite;
}
@keyframes drum-spin{ to{ transform:translate(-46%,-50%) rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .hero-drum{ animation:none; } }
@media (max-width:760px){
  .hero-drum{ left:50%; opacity:.2; transform:translate(-50%,-50%); animation:drum-spin-center 120s linear infinite; }
}
@keyframes drum-spin-center{ to{ transform:translate(-50%,-50%) rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .hero-drum{ animation:none; } }

.phone-stage{ position:relative; display:flex; justify-content:center; align-items:flex-end; align-self:stretch; gap:clamp(10px,3vw,18px); }

/* ====== HUD công nghệ số dưới ảnh mockup (màu brand) ====== */
.tech-base{
  position:absolute; left:50%; bottom:-6%; z-index:2; pointer-events:none;
  width:118%; height:100%; transform:translateX(-50%);
}
/* quầng sáng nền tỏa từ lõi */
.tech-base::before{
  content:''; position:absolute; left:50%; bottom:4%; transform:translateX(-50%);
  width:100%; height:85%;
  background:radial-gradient(ellipse 50% 60% at 50% 60%, rgba(0,210,170,.42), rgba(0,168,139,.16) 45%, transparent 72%);
  filter:blur(8px);
  animation:tech-glow 3.2s ease-in-out infinite;
}
@keyframes tech-glow{ 0%,100%{ opacity:.7; } 50%{ opacity:1; } }

/* sàn lưới phối cảnh hologram */
.tech-grid{
  position:absolute; left:50%; bottom:2%; transform:translateX(-50%) perspective(420px) rotateX(70deg);
  transform-origin:bottom center; width:100%; height:150%;
  background-image:
    linear-gradient(rgba(153,212,200,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(153,212,200,.5) 1px, transparent 1px);
  background-size:24px 24px;
  -webkit-mask:radial-gradient(ellipse 58% 78% at 50% 100%, #000, transparent 72%);
          mask:radial-gradient(ellipse 58% 78% at 50% 100%, #000, transparent 72%);
  animation:tech-grid-move 2.4s linear infinite;
}
@keyframes tech-grid-move{ to{ background-position:0 24px, 0 0; } }

/* đĩa HUD nhiều vòng xoay */
.tech-hud{
  position:absolute; left:50%; bottom:2%; transform:translateX(-50%) perspective(560px) rotateX(60deg);
  transform-origin:bottom center;
  width:88%; height:auto; aspect-ratio:1; overflow:visible;
  filter:drop-shadow(0 0 14px rgba(0,210,170,.55)) drop-shadow(0 0 30px rgba(255,207,69,.3));
}
.hud-ring{ transform-box:fill-box; transform-origin:center; }
.hud-cw{ animation:hud-spin 14s linear infinite; }
.hud-ccw{ animation:hud-spin 10s linear infinite reverse; }
.hud-cw2{ animation:hud-spin 22s linear infinite; }
.hud-ccw2{ animation:hud-spin 7s linear infinite reverse; }
@keyframes hud-spin{ to{ transform:rotate(360deg); } }
.hud-core{ transform-box:fill-box; transform-origin:center; animation:hud-core-pulse 2.4s ease-in-out infinite; }
@keyframes hud-core-pulse{ 0%,100%{ transform:scale(.85); opacity:.85; } 50%{ transform:scale(1.15); opacity:1; } }

/* các đường dữ liệu rơi xuống lõi */
.tech-drops{
  position:absolute; left:50%; bottom:30%; transform:translateX(-50%);
  width:46%; display:flex; justify-content:space-between; z-index:1;
}
.tech-drops span{
  position:relative; width:1px; height:46px;
  background:linear-gradient(var(--teal-light), transparent);
}
.tech-drops span::after{
  content:''; position:absolute; left:50%; top:0; width:5px; height:5px; margin-left:-2.5px;
  border-radius:50%; background:var(--gold-light); box-shadow:0 0 8px var(--gold-light);
  animation:tech-drop 2.4s ease-in infinite;
}
.tech-drops span:nth-child(2)::after{ animation-delay:.5s; }
.tech-drops span:nth-child(3)::after{ animation-delay:1s; }
.tech-drops span:nth-child(4)::after{ animation-delay:1.5s; }
.tech-drops span:nth-child(5)::after{ animation-delay:.8s; }
@keyframes tech-drop{ 0%{ top:0; opacity:0; } 15%{ opacity:1; } 100%{ top:46px; opacity:0; } }

@media (prefers-reduced-motion: reduce){
  .tech-base::before, .tech-grid, .hud-ring, .hud-core, .tech-drops span::after{ animation:none; }
}
@media (max-width:560px){ .tech-hud{ width:72%; } .tech-grid{ width:90%; } }

.hero-mockup{ position:relative; z-index:1; }
.hero-mockup{ height:180%; max-height:180%; width:auto; max-width:180%; object-fit:contain; object-position:bottom; filter:drop-shadow(0 40px 70px rgba(0,0,0,.45)); animation:mockup-float 6s ease-in-out infinite; }
@keyframes mockup-float{
  0%,100%{ transform:translateY(0) rotate(0deg); }
  50%{ transform:translateY(-16px) rotate(-.6deg); }
}
@media (prefers-reduced-motion: reduce){ .hero-mockup{ animation:none; } }
@media (max-width:900px){ .hero-mockup{ height:auto; width:100%; max-width:480px; } }
.phone{
  width:clamp(140px,40vw,230px); aspect-ratio:9/19; border-radius:36px; background:#0A2B26;
  border:6px solid rgba(245,241,230,.18); box-shadow:0 30px 60px -20px rgba(0,0,0,.55);
  position:relative; overflow:hidden; flex-shrink:0;
}
.phone.phone--back{ transform:translateY(34px) scale(.92); opacity:.85; }
.phone-notch{ position:absolute; top:0; left:50%; transform:translateX(-50%); width:84px; height:18px; background:#0A2B26; border-radius:0 0 14px 14px; z-index:3; }
.phone-screen{ position:absolute; inset:0; padding:30px 14px 14px; display:flex; flex-direction:column; gap:10px; }
.phone-app-logo{ width:34px; height:34px; border-radius:50%; margin-inline:auto; }
.phone-greet{ text-align:center; font-size:.62rem; color:rgba(245,241,230,.75); margin-top:4px; }
.phone-name{ text-align:center; font-size:.74rem; font-weight:600; color:var(--cream); margin-bottom:6px; }
.phone-tiles{ display:grid; grid-template-columns:1fr 1fr; gap:7px; }
.phone-tile{ background:rgba(245,241,230,.08); border:1px solid rgba(245,241,230,.12); border-radius:10px; padding:9px 7px; }
.phone-tile svg{ width:16px; height:16px; color:var(--gold-light); margin-bottom:5px; }
.phone-tile span{ display:block; font-size:.56rem; line-height:1.25; color:rgba(245,241,230,.85); }
.phone-card{ margin-top:auto; background:linear-gradient(135deg, rgba(218,157,40,.9), rgba(255,207,69,.9)); border-radius:10px; padding:9px; }
.phone-card span{ font-size:.56rem; color:var(--ink); font-weight:600; display:block; }

.phone--chat .phone-screen{ gap:7px; }
.bubble{ max-width:80%; padding:7px 9px; border-radius:10px; font-size:.55rem; line-height:1.3; }
.bubble--ai{ background:rgba(245,241,230,.1); color:var(--cream); align-self:flex-start; border:1px solid rgba(245,241,230,.14); }
.bubble--me{ background:var(--gold); color:var(--ink); align-self:flex-end; }

.float-chip{
  position:absolute; display:inline-flex; align-items:center; gap:9px; max-width:200px;
  background:rgba(8,40,35,.45); -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px);
  color:var(--cream); padding:11px 15px; border-radius:14px;
  font-size:.78rem; font-weight:600; line-height:1.25; z-index:4;
  border:1px solid rgba(255,207,69,.45);
  box-shadow:0 0 20px rgba(0,210,170,.25), inset 0 0 18px rgba(245,241,230,.05);
  animation:chip-float 5.5s ease-in-out infinite, chip-glow 3.2s ease-in-out infinite;
}
.float-chip svg{ width:18px; height:18px; color:var(--gold-light); flex-shrink:0; }
.float-chip strong{ color:var(--gold-light); font-weight:800; }
.float-chip.chip-a{ top:14%; left:-6%; }
.float-chip.chip-b{ top:46%; right:-6%; animation-delay:-1.4s, -.8s; }
.float-chip.chip-c{ bottom:8%; left:4%; animation-delay:-2.8s, -1.8s; }
@keyframes chip-float{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-12px); } }
@keyframes chip-glow{
  0%,100%{ border-color:rgba(255,207,69,.4); box-shadow:0 0 16px rgba(0,210,170,.22), inset 0 0 18px rgba(245,241,230,.05); }
  50%{ border-color:rgba(255,207,69,.85); box-shadow:0 0 26px rgba(0,210,170,.4), inset 0 0 18px rgba(245,241,230,.08); }
}
@media (prefers-reduced-motion: reduce){ .float-chip{ animation:none; } }
@media (max-width:560px){
  .float-chip{ font-size:.68rem; padding:8px 11px; max-width:160px; }
  .float-chip.chip-a{ left:-2%; }
  .float-chip.chip-b{ right:-2%; }
}

/* ===================== PAGE HERO (subpages) ===================== */
.page-hero{
  position:relative; overflow:hidden; color:var(--cream); background:var(--gradient-vertical);
  padding-top:calc(108px + 48px); padding-bottom:64px; text-align:center;
}
.page-hero .container{ position:relative; z-index:2; max-width:760px; }
.page-hero h1{ color:var(--cream); }
.page-hero p{ color:rgba(245,241,230,.78); margin-top:14px; }
.breadcrumb{ display:flex; gap:8px; justify-content:center; font-size:.82rem; color:rgba(245,241,230,.6); margin-bottom:18px; }
.breadcrumb a{ color:rgba(245,241,230,.85); }

/* ===================== INTRO SPLIT (Văn Minh Số là gì) ===================== */
.split{ display:grid; gap:48px; align-items:center; }
@media (min-width:900px){ .split{ grid-template-columns:.95fr 1.05fr; } }
.vn-map{ position:relative; display:flex; justify-content:center; }
.vn-map svg{ width:100%; max-width:320px; }
.vn-map img{ width:100%; max-width:672px; height:auto; }
.vn-map .node{ animation:pulse 2.6s ease-in-out infinite; }
.vn-map .node:nth-child(2){ animation-delay:.5s; }
.vn-map .node:nth-child(3){ animation-delay:1s; }
@keyframes pulse{ 0%,100%{ opacity:.55; r:3; } 50%{ opacity:1; r:5; } }

.feature-row{ display:grid; gap:24px; margin-top:38px; grid-template-columns:repeat(2,1fr); }
@media (min-width:760px){ .feature-row{ grid-template-columns:repeat(4,1fr); } }
.feature-item{ display:flex; flex-direction:column; gap:12px; }
.icon-badge{
  width:48px; height:48px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background:rgba(0,94,82,.08); color:var(--teal-dark); flex-shrink:0;
}
.icon-badge svg{ width:24px; height:24px; }
.on-dark .icon-badge{ background:rgba(245,241,230,.1); color:var(--gold-light); }
.feature-item h4{ color:var(--teal-dark); }
.on-dark .feature-item h4{ color:var(--cream); }
.feature-item p{ font-size:.92rem; color:rgba(4,32,28,.65); }
.on-dark .feature-item p{ color:rgba(245,241,230,.7); }

/* ===================== MODULE CARDS ===================== */
.module-card{
  background:#fff; border-radius:var(--radius-lg); padding:30px 26px; box-shadow:var(--shadow-soft);
  display:flex; flex-direction:column; gap:14px; border:1px solid rgba(0,94,82,.07);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.module-card:hover{ transform:translateY(-6px); box-shadow:0 28px 60px -22px rgba(4,32,28,.3); }
.module-card .icon-badge{ background:var(--gradient-gold); color:var(--ink); }
.module-card .module-visual{ border-radius:14px; height:120px; background:linear-gradient(135deg, rgba(0,94,82,.08), rgba(153,212,200,.25)); display:flex; align-items:center; justify-content:center; color:var(--teal); }
.module-card .module-visual svg{ width:46px; height:46px; opacity:.85; }
.module-card p{ font-size:.92rem; color:rgba(4,32,28,.65); flex-grow:1; }
.module-num{ font-family:var(--font-display); font-size:.78rem; color:var(--gold); font-weight:700; letter-spacing:.06em; }

/* ===================== STATS ===================== */
.stats-band{
  position:relative; color:var(--cream); overflow:hidden;
  background:linear-gradient(rgba(0,52,46,.62), rgba(0,52,46,.72)), url("../img/stats-bg.png") center/cover no-repeat;
}
.stats-grid{ display:grid; gap:32px; grid-template-columns:repeat(1,1fr); text-align:center; position:relative; z-index:2; }
@media (min-width:760px){ .stats-grid{ grid-template-columns:repeat(3,1fr); } }
.stat-num{ font-family:var(--font-display); font-weight:800; font-size:clamp(2.3rem,2vw + 1.8rem,3.4rem); background:var(--gradient-gold); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat-label{ margin-top:6px; font-size:.92rem; color:rgba(245,241,230,.72); }

/* ===================== TESTIMONIALS ===================== */
.t-track{ display:flex; gap:22px; overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:8px; scrollbar-width:none; }
.t-track::-webkit-scrollbar{ display:none; }
.t-card{
  scroll-snap-align:start; flex:0 0 min(320px,86vw); background:#fff; border-radius:var(--radius-md);
  padding:26px; box-shadow:var(--shadow-soft); border:1px solid rgba(0,94,82,.06);
}
.t-stars{ color:var(--gold); letter-spacing:2px; margin-bottom:10px; font-size:.9rem; }
.t-quote{ font-size:.94rem; color:rgba(4,32,28,.78); margin-bottom:18px; }
.t-person{ display:flex; align-items:center; gap:12px; }
.t-avatar{ width:46px; height:46px; border-radius:50%; background:var(--gradient-vertical); color:var(--cream); display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:700; flex-shrink:0; overflow:hidden; border:2px solid rgba(218,157,40,.35); }
.t-avatar img{ width:100%; height:100%; object-fit:cover; display:block; border-radius:50%; }
.t-avatar img{ width:100%; height:100%; object-fit:cover; border-radius:50%; display:block; }
.t-name{ font-weight:700; font-size:.9rem; }
.t-role{ font-size:.78rem; color:rgba(4,32,28,.55); }
.t-nav{ display:flex; gap:10px; margin-top:22px; justify-content:center; }
.t-nav button{ width:34px; height:34px; border-radius:50%; border:1px solid rgba(0,94,82,.2); background:#fff; display:flex; align-items:center; justify-content:center; color:var(--teal-dark); }
.t-nav button:hover{ background:var(--teal-dark); color:var(--cream); }

/* ===================== CTA BANNER ===================== */
.cta-banner{ position:relative; overflow:hidden; background:var(--gradient-vertical); color:var(--cream); border-radius:var(--radius-lg); padding:clamp(36px,5vw,56px); display:flex; flex-wrap:wrap; gap:28px; align-items:center; justify-content:space-between; }
.cta-banner h2{ color:var(--cream); margin-bottom:8px; max-width:480px; }
.cta-banner p{ color:rgba(245,241,230,.75); max-width:460px; }
.cta-banner .brand-mark{
  width:clamp(120px,14vw,168px); height:auto; aspect-ratio:1; border-radius:50%;
  filter:drop-shadow(0 0 18px rgba(255,207,69,.55)) drop-shadow(0 0 40px rgba(255,207,69,.3));
  animation:logo-glow 3.4s ease-in-out infinite;
}
@keyframes logo-glow{
  0%,100%{ filter:drop-shadow(0 0 14px rgba(255,207,69,.45)) drop-shadow(0 0 30px rgba(255,207,69,.22)); transform:scale(1); }
  50%{ filter:drop-shadow(0 0 24px rgba(255,207,69,.7)) drop-shadow(0 0 56px rgba(255,207,69,.4)); transform:scale(1.04); }
}
@media (prefers-reduced-motion: reduce){ .cta-banner .brand-mark{ animation:none; } }

/* ===================== FOOTER ===================== */
.site-footer{ background:var(--brown); color:rgba(245,241,230,.82); padding-block:64px 28px; position:relative; }
.footer-grid{ display:grid; gap:36px; grid-template-columns:1.5fr 1fr 1fr 1fr 1fr 1fr; }
@media (max-width:1100px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr repeat(3,1fr); column-gap:24px; } }
@media (max-width:900px){ .footer-grid{ grid-template-columns:repeat(3,1fr); } .footer-grid > :first-child{ grid-column:1/-1; margin-bottom:8px; } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
.footer-brand{ display:flex; align-items:center; gap:.6rem; margin-bottom:14px; }
.footer-brand img{ width:38px; height:38px; border-radius:50%; }
.footer-brand strong{ font-family:var(--font-display); color:var(--cream); font-size:1.05rem; }
.site-footer p{ font-size:.88rem; color:rgba(245,241,230,.62); }
.footer-col h4{ color:var(--gold-light); font-size:.82rem; letter-spacing:.08em; text-transform:uppercase; margin-bottom:16px; }
.footer-col ul{ display:flex; flex-direction:column; gap:10px; }
.footer-col a{ font-size:.88rem; color:rgba(245,241,230,.78); }
.footer-col a:hover{ color:var(--gold-light); }
.footer-contact li{ display:flex; gap:10px; align-items:flex-start; font-size:.88rem; }
.footer-contact svg{ width:16px; height:16px; color:var(--gold-light); flex-shrink:0; margin-top:2px; }
.footer-disclaimer{ margin-top:40px; padding-top:22px; border-top:1px solid rgba(245,241,230,.12); font-size:.8rem; line-height:1.6; color:rgba(245,241,230,.55); max-width:920px; }
.footer-bottom{ margin-top:24px; padding-top:24px; border-top:1px solid rgba(245,241,230,.14); display:flex; flex-wrap:wrap; gap:16px; justify-content:space-between; align-items:center; }
.socials{ display:flex; gap:10px; }
.socials a{ width:36px; height:36px; border-radius:50%; border:1px solid rgba(245,241,230,.25); display:flex; align-items:center; justify-content:center; }
.socials a:hover{ background:var(--gold); color:var(--ink); border-color:var(--gold); }
.socials svg{ width:16px; height:16px; }
.back-top{ position:fixed; right:22px; bottom:22px; width:46px; height:46px; border-radius:50%; background:var(--gradient-gold); color:var(--ink); display:flex; align-items:center; justify-content:center; box-shadow:var(--shadow-gold); opacity:0; visibility:hidden; transform:translateY(8px); transition:.3s var(--ease); z-index:90; }
.back-top.show{ opacity:1; visibility:visible; transform:translateY(0); }

/* ===================== SCROLL REVEAL ===================== */
[data-reveal]{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].is-visible{ opacity:1; transform:translateY(0); }

/* ===================== MISC SHARED COMPONENTS (used across subpages) ===================== */
.badge-pill{ display:inline-flex; align-items:center; gap:6px; background:rgba(0,94,82,.08); color:var(--teal-dark); padding:.4rem .85rem; border-radius:999px; font-size:.8rem; font-weight:600; }
.on-dark .badge-pill{ background:rgba(245,241,230,.1); color:var(--gold-light); }

.value-card{ background:#fff; border-radius:var(--radius-md); padding:26px; box-shadow:var(--shadow-soft); border:1px solid rgba(0,94,82,.06); color:var(--ink); }
.value-card .icon-badge{ margin-bottom:14px; }
.value-card p{ color:rgba(4,32,28,.65); font-size:.95rem; }
.value-card h3{ color:var(--teal-dark); }

.team-lead{ display:flex; justify-content:center; margin-bottom:8px; }
.team-lead .team-card{ width:100%; max-width:min(50%, 540px); }
.team-bio{ margin-top:12px; font-size:.92rem; line-height:1.65; color:rgba(4,32,28,.66); text-align:justify; }
@media (max-width:639px){ .team-lead .team-card{ max-width:100%; } }
.team-card{
  text-align:center; background:#fff; border-radius:20px; overflow:hidden;
  box-shadow:var(--shadow-soft); border:1px solid rgba(0,94,82,.06);
  position:relative; transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.team-card::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:4px;
  background:var(--gradient-gold); transform:scaleX(0); transform-origin:center;
  transition:transform .35s var(--ease);
}
.team-card:hover{ transform:translateY(-6px); box-shadow:0 30px 60px -26px rgba(4,32,28,.34); }
.team-card:hover::after{ transform:scaleX(1); }
.team-photo{
  position:relative; aspect-ratio:1/1.04; width:100%;
  background:linear-gradient(160deg, #00897A, #005046);
  display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.team-photo img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.team-photo img.team-photo-90{ transform:scale(.9); transform-origin:bottom center; }
.team-photo img.team-photo-110{ transform:translateY(-19px) scale(1.1); transform-origin:top center; }
.team-photo img.team-photo-115{ transform:translateY(-40px) scale(1.15); transform-origin:top center; }
.team-photo img.team-photo-down10{ transform:translateY(10px); }
.team-initials{
  font-family:var(--font-display); font-size:2.4rem; font-weight:800;
  color:rgba(245,241,230,.5); letter-spacing:.04em;
}
.team-info{ padding:22px 18px 26px; }
.team-card h4{ color:var(--teal-dark); font-size:1.15rem; margin-bottom:4px; transition:color .3s var(--ease); }
.team-card:hover h4{ color:var(--gold); }
.team-role{ font-size:.9rem; color:rgba(4,32,28,.6); font-weight:500; }
/* Đội ngũ: lưới 4 thẻ (hàng 2) */
.team-grid{ gap:24px; grid-template-columns:repeat(2,1fr) !important; }
@media (min-width:760px){ .team-grid--row4{ grid-template-columns:repeat(4,1fr) !important; } }
@media (max-width:759px){ .team-grid--row4{ grid-template-columns:repeat(2,1fr) !important; } }
@media (max-width:400px){ .team-grid--row4{ grid-template-columns:1fr !important; } }
/* Lê Kim Tuyến: ảnh gấp đôi (50% vs 25% của hàng 4) */
.team-lead{ display:flex; justify-content:center; margin-bottom:0; }
.team-lead .team-card{ width:50%; max-width:540px; }
@media (max-width:759px){ .team-lead .team-card{ width:100%; max-width:420px; } }
.team-grid .team-photo{ aspect-ratio:3/4; }
.team-grid .team-info{ padding:16px 16px 22px; }
.team-grid .team-card h4{ font-size:1.1rem; }
.team-card.has-bio{ cursor:pointer; }
.team-more{ display:inline-block; margin-top:8px; font-size:.82rem; font-weight:700; color:var(--gold); }
.team-card.has-bio:hover .team-more{ text-decoration:underline; }
/* Mobile: thẻ Lê Kim Tuyến full hàng */
@media (max-width:560px){
  .team-card--lead{ grid-column:1/-1; }
}

/* Modal tiểu sử thành viên */
.team-modal{ position:fixed; inset:0; z-index:1000; display:flex; align-items:center; justify-content:center; padding:22px; }
.team-modal[hidden]{ display:none; }
.team-modal__overlay{ position:absolute; inset:0; background:rgba(4,20,17,.65); -webkit-backdrop-filter:blur(5px); backdrop-filter:blur(5px); opacity:0; transition:opacity .3s var(--ease); }
.team-modal.is-open .team-modal__overlay{ opacity:1; }
.team-modal__card{
  position:relative; z-index:1; width:100%; max-width:680px; display:grid; grid-template-columns:240px 1fr;
  background:var(--cream-soft); border-radius:var(--radius-lg); overflow:hidden;
  box-shadow:0 40px 90px -30px rgba(0,0,0,.6); border:1px solid rgba(218,157,40,.3);
  transform:translateY(18px) scale(.97); opacity:0; transition:transform .35s var(--ease), opacity .35s var(--ease);
}
.team-modal.is-open .team-modal__card{ transform:translateY(0) scale(1); opacity:1; }
.team-modal__photo{ background:linear-gradient(160deg, #00897A, #005046); }
.team-modal__photo img{ width:100%; height:100%; object-fit:cover; display:block; }
.team-modal__body{ padding:30px 28px; }
.team-modal__body h3{ color:var(--teal-dark); margin-bottom:4px; }
.team-modal__role{ font-weight:600; color:var(--teal); margin-bottom:14px; }
.team-modal__body p{ font-size:.95rem; line-height:1.7; color:rgba(4,32,28,.72); text-align:justify; }
.team-modal__close{ position:absolute; top:12px; right:14px; z-index:2; width:34px; height:34px; border:none; border-radius:50%; background:rgba(0,94,82,.12); color:var(--teal-dark); font-size:1.4rem; line-height:1; display:flex; align-items:center; justify-content:center; }
.team-modal__close:hover{ background:rgba(0,94,82,.22); }
@media (max-width:600px){
  .team-modal__card{ grid-template-columns:1fr; max-width:420px; max-height:90vh; overflow-y:auto; }
  .team-modal__photo{ aspect-ratio:3/2; }
}

.timeline{ position:relative; padding-left:28px; border-left:2px solid rgba(0,94,82,.18); display:flex; flex-direction:column; gap:30px; }
.timeline-item{ position:relative; }
.timeline-item::before{ content:''; position:absolute; left:-34px; top:4px; width:12px; height:12px; border-radius:50%; background:var(--gold); box-shadow:0 0 0 4px rgba(218,157,40,.18); }
.timeline-year{ font-family:var(--font-display); font-weight:700; color:var(--teal-dark); margin-bottom:4px; }

/* App detail page */
.benefit-list{ display:flex; flex-direction:column; gap:20px; }
.benefit-item{
  display:flex; gap:16px; align-items:flex-start;
  padding:24px; border-radius:var(--radius-md);
  background:rgba(245,241,230,.08); backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
  border:1px solid rgba(245,241,230,.14);
  transition:background .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.benefit-item:hover{ background:rgba(245,241,230,.13); border-color:rgba(218,157,40,.4); transform:translateY(-4px); }
.benefit-num{
  font-family:var(--font-display); font-weight:800; font-size:1.8rem; line-height:1;
  background:var(--gradient-gold); -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* ===== Journey (Hành trình trải nghiệm) — 5 thẻ ===== */
.journey{ display:flex; gap:30px; align-items:stretch; margin-top:54px; }
.journey-card{
  position:relative; flex:1 1 0; min-width:0;
  background:#fff; border:1px solid rgba(0,0,0,.06); border-radius:var(--radius-lg);
  box-shadow:0 16px 40px -28px rgba(4,32,28,.45);
  padding:50px 22px 26px; text-align:center;
  display:flex; flex-direction:column; align-items:center;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.journey-card:hover{ transform:translateY(-6px); box-shadow:0 28px 54px -28px rgba(4,32,28,.5); }
.journey-num{
  position:absolute; top:-26px; left:50%; transform:translateX(-50%);
  width:52px; height:52px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:800; font-size:1.25rem; color:var(--ink);
  background:var(--gradient-gold); box-shadow:0 10px 20px -7px rgba(218,157,40,.65); border:4px solid #fff;
}
.journey-icon{
  width:108px; height:108px; margin-bottom:18px;
  display:flex; align-items:center; justify-content:center;
}
.journey-icon svg{ width:54px; height:54px; }
.journey-icon img{ width:100%; height:100%; object-fit:contain; display:block; }
.journey-card h3{ color:var(--teal-dark); font-size:1.1rem; margin-bottom:10px; }
.journey-card p{ font-size:.9rem; color:rgba(4,32,28,.62); line-height:1.55; flex-grow:1; }
.journey-bar{ width:64px; height:5px; border-radius:999px; margin-top:20px; background:var(--accent); position:relative; }
.journey-bar::after{ content:""; position:absolute; right:0; top:50%; transform:translate(40%,-50%); width:10px; height:10px; border-radius:50%; background:var(--accent); }
.journey-card:not(:last-child)::after{
  content:"›"; position:absolute; top:84px; right:-26px; z-index:3;
  width:30px; height:30px; border-radius:50%; background:#fff; border:1px solid rgba(0,0,0,.08);
  display:flex; align-items:center; justify-content:center; color:var(--teal);
  font-size:1.15rem; line-height:1; box-shadow:0 5px 12px -5px rgba(4,32,28,.35);
}
@media (max-width:900px){
  .journey{ overflow-x:auto; gap:24px; padding-bottom:14px; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch; }
  .journey-card{ flex:0 0 250px; scroll-snap-align:start; }
  .journey-card:not(:last-child)::after{ display:none; }
}
@media (max-width:600px){
  .journey{ flex-direction:column; overflow-x:visible; gap:34px; margin-top:42px; }
  .journey-card{ flex:1 1 auto; width:100%; }
}

.module-detail{ display:grid; gap:48px; align-items:center; }
@media (min-width:900px){ .module-detail{ grid-template-columns:1fr 1fr; } }
.module-detail.reverse > *:first-child{ order:2; }
.detail-panel{
  border-radius:var(--radius-lg); min-height:320px; padding:30px;
  background:linear-gradient(160deg, rgba(0,94,82,.07), rgba(153,212,200,.18));
  display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden;
}
.detail-panel::before{ content:''; position:absolute; inset:0; background-image:radial-gradient(circle, rgba(0,94,82,.08) 0 1px, transparent 1px); background-size:18px 18px; opacity:.5; }

.radar-chart{ position:relative; z-index:1; }
.chat-panel{ position:relative; z-index:1; width:100%; max-width:300px; display:flex; flex-direction:column; gap:10px; }
.chat-panel .bubble{ font-size:.78rem; padding:10px 14px; max-width:85%; }
.chat-panel .bubble--ai{ background:#fff; color:var(--ink); align-self:flex-start; box-shadow:var(--shadow-soft); }
.chat-panel .bubble--me{ background:var(--gradient-gold); color:var(--ink); align-self:flex-end; }

.lib-panel{ position:relative; z-index:1; width:100%; max-width:320px; background:#fff; border-radius:16px; padding:18px; box-shadow:var(--shadow-soft); display:flex; flex-direction:column; gap:12px; }
.lib-row{ display:flex; gap:12px; align-items:center; }
.lib-row .lib-icon{ width:34px; height:34px; border-radius:9px; background:rgba(218,157,40,.15); color:var(--gold); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.lib-row .lib-lines{ flex-grow:1; }
.lib-line{ height:7px; border-radius:4px; background:rgba(0,94,82,.12); margin-bottom:6px; }
.lib-line.short{ width:55%; }

.compass-dial{ position:relative; z-index:1; width:200px; height:200px; border-radius:50%; border:2px solid rgba(0,94,82,.25); display:flex; align-items:center; justify-content:center; }
.compass-dial::before{ content:''; position:absolute; inset:14px; border-radius:50%; border:1px dashed rgba(0,94,82,.3); }
.compass-dial svg{ width:56px; height:56px; color:var(--teal-dark); position:relative; z-index:1; }
.compass-tick{ position:absolute; top:4px; left:50%; width:2px; height:10px; background:rgba(0,94,82,.4); margin-left:-1px; transform-origin:50% 96px; }

.steps-grid{ display:grid; gap:24px; grid-template-columns:repeat(1,1fr); counter-reset:step; }
@media (min-width:760px){ .steps-grid{ grid-template-columns:repeat(4,1fr); } }
.step-card{ position:relative; padding-top:8px; }
.step-num{ font-family:var(--font-display); font-size:2.2rem; font-weight:800; color:rgba(0,94,82,.15); display:block; margin-bottom:6px; }

/* Library / News pages */
.filter-bar{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:36px; }
.filter-chip{ padding:.55rem 1.15rem; border-radius:999px; border:1px solid rgba(0,94,82,.18); font-size:.86rem; font-weight:600; color:var(--teal-dark); background:#fff; transition:.25s var(--ease); }
.filter-chip:hover{ background:rgba(0,94,82,.06); }
.filter-chip.active{ background:var(--teal-dark); color:var(--cream); border-color:var(--teal-dark); }

.search-box{ position:relative; max-width:480px; margin-inline:auto; }
.search-box input{ width:100%; padding:1rem 1.3rem 1rem 3rem; border-radius:999px; border:1px solid rgba(245,241,230,.3); background:rgba(245,241,230,.08); color:var(--cream); }
.search-box input::placeholder{ color:rgba(245,241,230,.55); }
.search-box svg{ position:absolute; left:18px; top:50%; transform:translateY(-50%); width:18px; height:18px; color:rgba(245,241,230,.6); }

.article-card{ background:#fff; border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-soft); border:1px solid rgba(0,94,82,.06); display:flex; flex-direction:column; }
.article-thumb{ height:170px; display:flex; align-items:center; justify-content:center; color:rgba(245,241,230,.9); position:relative; overflow:hidden; }
.article-thumb svg{ width:42px; height:42px; opacity:.8; }
.article-thumb::after{ content:''; position:absolute; inset:0; background:var(--pattern-overlay,none); opacity:.5; }
.article-body{ padding:22px; display:flex; flex-direction:column; gap:10px; flex-grow:1; }
.article-cat{ font-size:.74rem; font-weight:700; color:var(--gold); text-transform:uppercase; letter-spacing:.06em; }
.article-body h3{ font-size:1.08rem; }
.article-meta{ font-size:.78rem; color:rgba(4,32,28,.5); margin-top:auto; display:flex; gap:10px; align-items:center; }

.featured-article{ display:grid; gap:30px; background:#fff; border-radius:var(--radius-lg); box-shadow:var(--shadow-soft); overflow:hidden; }
@media (min-width:760px){ .featured-article{ grid-template-columns:1fr 1fr; } }
.featured-visual{ min-height:240px; display:flex; align-items:center; justify-content:center; color:rgba(245,241,230,.9); }
.featured-visual svg{ width:64px; height:64px; opacity:.85; }
.featured-body{ padding:34px; display:flex; flex-direction:column; gap:14px; justify-content:center; }

/* Contact page */
.contact-grid{ display:grid; gap:40px; }
@media (min-width:900px){ .contact-grid{ grid-template-columns:.9fr 1.1fr; } }
.form-field{ display:flex; flex-direction:column; gap:8px; margin-bottom:18px; }
.form-field label{ font-size:.86rem; font-weight:600; color:var(--teal-dark); }
.form-field input,.form-field textarea,.form-field select{
  padding:.85rem 1rem; border-radius:12px; border:1px solid rgba(0,94,82,.18); background:#fff; color:var(--ink);
}
.form-field textarea{ resize:vertical; min-height:120px; }
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{ border-color:var(--teal); }
.form-error{ font-size:.78rem; color:#B3261E; min-height:1em; }
.form-note{ font-size:.8rem; color:rgba(4,32,28,.5); }
.radio-group{ display:flex; flex-wrap:wrap; gap:10px; }
.radio-chip input{ display:none; }
.radio-chip span{ display:inline-flex; padding:.6rem 1rem; border-radius:999px; border:1px solid rgba(0,94,82,.2); font-size:.85rem; font-weight:600; cursor:pointer; }
.radio-chip input:checked + span{ background:var(--teal-dark); color:var(--cream); border-color:var(--teal-dark); }

.contact-info-card{ background:var(--teal-dark); color:var(--cream); border-radius:var(--radius-lg); padding:34px; }
.contact-info-card h3{ color:var(--cream); }
.contact-info-list{ display:flex; flex-direction:column; gap:18px; margin-top:24px; }
.contact-info-list li{ display:flex; gap:14px; align-items:flex-start; }
.contact-info-list svg{ width:20px; height:20px; color:var(--gold-light); flex-shrink:0; margin-top:2px; }
.contact-info-list strong{ display:block; font-size:.92rem; }
.contact-info-list span{ font-size:.85rem; color:rgba(245,241,230,.7); }
.toast-success{ display:none; align-items:center; gap:10px; background:rgba(0,125,107,.12); border:1px solid var(--teal); color:var(--teal-dark); padding:14px 18px; border-radius:12px; font-size:.9rem; font-weight:600; margin-bottom:18px; }
.toast-success.show{ display:flex; }

/* ===== Statement lớn (Tầm nhìn / Sứ mệnh) ===== */
.statement{
  font-family:var(--font-display); font-weight:800; line-height:1.25;
  font-size:clamp(1.6rem, 1.2rem + 1.8vw, 2.6rem);
  margin-top:14px; color:var(--cream); letter-spacing:-.01em;
}
.statement--light{
  background:var(--gradient-gold); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.statement--card{ font-size:clamp(1.3rem,1.1rem + .9vw,1.7rem); margin-top:14px; margin-bottom:12px; }

/* Thẻ outline (Tầm nhìn / Sứ mệnh) */
.outline-card{
  border:1.5px solid rgba(245,241,230,.28); border-radius:var(--radius-lg);
  padding:clamp(26px,3vw,40px); background:rgba(245,241,230,.04);
  transition:border-color .35s var(--ease), transform .35s var(--ease), background .35s var(--ease);
}
.outline-card:hover{ border-color:var(--gold); transform:translateY(-6px); background:rgba(245,241,230,.07); }
.outline-card .icon-badge{ background:rgba(245,241,230,.1); color:var(--gold-light); margin-bottom:16px; }
.outline-card .outline-tag{
  display:inline-block; font-family:var(--font-body); font-weight:700; letter-spacing:.1em;
  text-transform:uppercase; font-size:.82rem; color:var(--gold-light);
}
.outline-card .statement--card{ color:var(--cream); }
.outline-card p:last-child{ color:rgba(245,241,230,.78); font-size:.98rem; }
.outline-card{ cursor:pointer; }
/* trạng thái click: đổi nền vàng + chữ tối */
.outline-card.is-active{ background:var(--gradient-gold); border-color:transparent; transform:translateY(-6px); box-shadow:var(--shadow-gold); }
.outline-card.is-active .outline-tag{ color:var(--brown); }
.outline-card.is-active .statement--card,
.outline-card.is-active p:last-child{ color:var(--ink); }
.outline-card.is-active .icon-badge{ background:rgba(4,32,28,.14); color:var(--ink); }
.vision-band{ position:relative; overflow:hidden; }
.vision-drum{ opacity:.16; left:auto; right:0; transform:translate(42%,-50%); animation:vision-drum-spin 140s linear infinite; }
@keyframes vision-drum-spin{ to{ transform:translate(42%,-50%) rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .vision-drum{ animation:none; } }

/* ===== Khung visual placeholder (media-frame) ===== */
.media-frame{
  position:relative; width:100%; border-radius:var(--radius-lg); overflow:hidden;
  background:linear-gradient(160deg, #04201C, #007D6B);
  box-shadow:var(--shadow-soft); display:flex; align-items:center; justify-content:center;
}
.media-frame img{ width:100%; height:100%; object-fit:cover; display:block; }
.media-frame--photo{ background:#fff; }
.media-frame--photo img{ object-fit:contain; }
.media-frame__label{
  position:absolute; padding:8px 14px; border-radius:999px;
  background:rgba(245,241,230,.12); border:1px solid rgba(245,241,230,.2);
  color:rgba(245,241,230,.7); font-size:.78rem; font-weight:500; text-align:center;
  pointer-events:none;
}
.media-frame img:not([style*="none"]) ~ .media-frame__label{ display:none; }

/* ===== Section Thách thức ===== */
.challenge-split{ gap:48px; align-items:center; }
.challenge-visual{
  position:relative; border-radius:var(--radius-lg); overflow:hidden; min-height:340px;
  background:linear-gradient(160deg, #04201C, #007D6B);
  box-shadow:var(--shadow-soft);
}
.challenge-visual img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform 1.1s var(--ease); }
.challenge-visual:hover img{ transform:scale(1.12); }
.challenge-cards{ display:flex; flex-direction:column; gap:18px; }
.challenge-card{
  display:flex; gap:18px; align-items:flex-start;
  background:var(--cream-soft); border:1px solid rgba(0,94,82,.08);
  border-radius:var(--radius-md); padding:20px 22px;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.challenge-card:hover{ transform:translateX(6px); box-shadow:0 18px 40px -24px rgba(4,32,28,.3); border-color:rgba(218,157,40,.4); }
.challenge-num{
  flex-shrink:0; font-family:var(--font-display); font-weight:800; font-size:2.4rem;
  background:var(--gradient-gold); -webkit-background-clip:text; background-clip:text; color:transparent;
  line-height:1.1;
}
.challenge-card h4{ color:var(--teal-dark); margin-bottom:4px; }
.challenge-card p{ font-size:.92rem; color:rgba(4,32,28,.65); }
@media (max-width:900px){ .challenge-visual{ min-height:260px; } }

/* Badge ảnh tròn (Hệ sinh thái) */
.icon-badge--img{
  width:72px; height:72px; border-radius:50%; padding:0; overflow:hidden;
  background:none; box-shadow:0 8px 20px -8px rgba(4,32,28,.4);
}
.icon-badge--img img{ width:100%; height:100%; object-fit:cover; display:block; }
/* Icon dạng ảnh tròn trong module-card: giữ nguyên màu ảnh gốc, không nền/crop */
.module-card .icon-badge--img{ width:80px; height:80px; background:none; box-shadow:none; border-radius:0; overflow:visible; }
.module-card .icon-badge--img img{ object-fit:contain; }

/* Ảnh minh họa thay icon trong thẻ Sứ mệnh */
.feature-img{ margin-bottom:18px; }
.feature-img img{ width:73px; height:73px; border-radius:50%; object-fit:cover; display:block; }

/* 3 trụ cột (section Sứ mệnh) — giãn đều full dòng */
.feature-row--cards.feature-row--3{ grid-template-columns:1fr; }
@media (min-width:760px){
  .feature-row--cards.feature-row--3{ grid-template-columns:repeat(3,1fr); }
}

/* ===== Vertical timeline (Hành trình phát triển — phong cách VNG) ===== */
.vtimeline{ position:relative; padding-left:34px; }
.vtimeline::before{
  content:''; position:absolute; left:6px; top:8px; bottom:8px; width:2px;
  background:linear-gradient(var(--teal-light), var(--gold)); border-radius:2px;
}
.vtimeline-item{
  position:relative; display:grid; grid-template-columns:150px 1fr; gap:34px;
  align-items:center; padding-block:26px;
}
.vtimeline-item::before{
  content:''; position:absolute; left:-34px; top:50%; transform:translateY(-50%);
  width:14px; height:14px; border-radius:50%; background:var(--gold);
  box-shadow:0 0 0 5px rgba(218,157,40,.18);
}
.vtimeline-icon{
  width:150px; height:150px; border-radius:26px; flex-shrink:0;
  background:#fff; border:1px solid rgba(0,94,82,.12); color:var(--teal-dark);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 18px 40px -22px rgba(4,32,28,.28); position:relative; overflow:hidden;
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.vtimeline-item:hover .vtimeline-icon{ border-color:rgba(218,157,40,.4); box-shadow:0 24px 48px -22px rgba(4,32,28,.34); }
.vtimeline-icon svg{ width:62px; height:62px; position:relative; z-index:1; }
.vtimeline-icon img{ width:82px; height:82px; object-fit:contain; position:relative; z-index:1; }
.vtimeline-item:hover .vtimeline-icon{ transform:translateY(-4px) scale(1.03); }
.vtimeline-period{
  display:inline-block; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  font-size:.82rem; color:var(--gold); margin-bottom:6px;
}
.vtimeline-body h3{ color:var(--teal-dark); margin-bottom:12px; }
.vtimeline-list{ display:flex; flex-direction:column; gap:8px; margin-bottom:18px; }
.vtimeline-list li{
  position:relative; padding-left:18px; font-size:.95rem; color:rgba(4,32,28,.7);
}
.vtimeline-list li::before{
  content:''; position:absolute; left:0; top:9px; width:7px; height:7px;
  border-radius:50%; background:var(--gold);
}
@media (max-width:680px){
  .vtimeline-item{ grid-template-columns:1fr; gap:18px; padding-block:20px; }
  .vtimeline-icon{ width:96px; height:96px; border-radius:20px; }
  .vtimeline-icon svg{ width:42px; height:42px; }
  .vtimeline-item::before{ top:34px; transform:none; }
}

/* ===== Value tabs (Giá trị cốt lõi — phong cách VNG) ===== */
.value-tabs{ margin-top:36px; }
.value-tabs__nav{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.value-tab{
  background:#fff; border:1.5px solid rgba(0,94,82,.25); border-radius:14px;
  padding:18px 16px; font-weight:700; font-size:.92rem; letter-spacing:.02em;
  text-transform:uppercase; color:var(--teal-dark); text-align:center;
  transition:background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.value-tab:hover{ border-color:var(--gold); transform:translateY(-2px); }
.value-tab.is-active{
  background:var(--gradient-gold); color:var(--ink); border-color:transparent;
  box-shadow:var(--shadow-gold);
}
.value-tabs__panels{ margin-top:14px; }
.value-panel{
  display:grid; grid-template-columns:auto 1fr; gap:34px; align-items:center;
  background:#fff; border:1px solid rgba(0,94,82,.1); border-radius:20px;
  padding:clamp(28px,4vw,48px); box-shadow:var(--shadow-soft);
  animation:panel-fade .4s var(--ease);
}
.value-panel[hidden]{ display:none; }
@keyframes panel-fade{ from{ opacity:0; transform:translateY(10px); } to{ opacity:1; transform:translateY(0); } }
.value-panel__icon{
  width:120px; height:120px; border-radius:24px; flex-shrink:0;
  background:rgba(0,94,82,.07); color:var(--teal); display:flex; align-items:center; justify-content:center;
}
.value-panel__icon svg{ width:60px; height:60px; }
.value-panel p{ font-size:1.02rem; color:rgba(4,32,28,.72); line-height:1.7; }
@media (max-width:900px){
  .value-tabs__nav{ grid-template-columns:repeat(2,1fr); gap:10px; }
  .value-tab{ padding:14px 12px; font-size:.84rem; }
}
@media (max-width:760px){
  .value-panel{ grid-template-columns:1fr; gap:20px; text-align:center; }
  .value-panel__icon{ margin-inline:auto; width:96px; height:96px; }
}
@media (max-width:420px){
  .value-tabs__nav{ grid-template-columns:1fr; }
}

/* ===== Ecosystem (logo trung tâm + 4 nhánh) ===== */
.ecosystem{ display:flex; flex-direction:column; align-items:center; gap:0; }
.ecosystem-center{
  display:flex; flex-direction:column; align-items:center; gap:10px;
  text-align:center; position:relative; z-index:2;
}
.ecosystem-center img{
  width:118px; height:118px; border-radius:50%;
  box-shadow:0 0 0 8px rgba(218,157,40,.12), var(--shadow-gold);
}
.ecosystem-center strong{ font-family:var(--font-display); font-size:1.2rem; color:var(--teal-dark); }
.ecosystem-branches{
  display:grid; grid-template-columns:repeat(4,1fr); gap:22px; width:100%;
  margin-top:48px; position:relative;
}
.ecosystem-branches::before{
  content:''; position:absolute; top:-28px; left:50%; width:2px; height:28px;
  background:var(--gold); transform:translateX(-50%);
}
.eco-branch{
  display:flex; flex-direction:column; align-items:center; gap:12px; text-align:center;
  background:#fff; border:1px solid rgba(0,94,82,.1); border-radius:var(--radius-md);
  padding:28px 18px; box-shadow:var(--shadow-soft); position:relative;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.eco-branch::before{
  content:''; position:absolute; top:-28px; left:50%; width:2px; height:28px;
  background:rgba(218,157,40,.5); transform:translateX(-50%);
}
.eco-branch:hover{ transform:translateY(-6px); border-color:rgba(218,157,40,.45); box-shadow:0 26px 52px -24px rgba(4,32,28,.32); }
.eco-branch .icon-badge{ background:var(--gradient-gold); color:var(--ink); }
.eco-branch span{ font-weight:700; color:var(--teal-dark); font-size:1rem; }
@media (max-width:760px){
  .ecosystem-branches{ grid-template-columns:repeat(2,1fr); gap:16px; }
}
@media (max-width:420px){ .ecosystem-branches{ grid-template-columns:1fr; } }

/* Chips danh mục (Sổ tay Văn hóa) */
.cat-chips{ display:flex; flex-wrap:wrap; gap:10px; }
.cat-chip{
  display:inline-flex; padding:.5rem 1.05rem; border-radius:999px;
  background:rgba(0,94,82,.08); color:var(--teal-dark); font-weight:600; font-size:.9rem;
}

/* Roadmap 5 mốc (Hành trình trải nghiệm) */
@media (min-width:1000px){ .roadmap--5{ grid-template-columns:repeat(5,1fr); } }
@media (min-width:1000px){ .roadmap--5::before{ left:10%; right:10%; } }

/* CTA tải app — 2 cột text + visual */
.cta-download{ gap:36px; }
.cta-download__visual{ flex:1 1 300px; max-width:420px; }
.cta-download__visual .media-frame{ background:linear-gradient(160deg, rgba(0,168,139,.18), rgba(3,20,17,.4)); }

/* ===== Value list (checklist Hồ sơ nhân sinh) ===== */
.value-list{ display:flex; flex-direction:column; gap:14px; }
.value-list li{ display:flex; gap:12px; align-items:flex-start; }
.value-list svg{ width:22px; height:22px; color:var(--gold); flex-shrink:0; margin-top:2px; }
.value-list strong{ color:var(--teal-dark); }
.value-list span{ color:rgba(4,32,28,.72); font-size:.98rem; }

/* ===== Popup chào mừng ===== */
.welcome-modal{ position:fixed; inset:0; z-index:1000; display:flex; align-items:center; justify-content:center; padding:24px; }
.welcome-modal[hidden]{ display:none; }
.welcome-modal__overlay{
  position:absolute; inset:0; background:rgba(4,20,17,.65);
  -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  opacity:0; transition:opacity .35s var(--ease);
}
.welcome-modal.is-open .welcome-modal__overlay{ opacity:1; }

/* --- Popup thư ngỏ --- */
.letter-modal{
  position:relative; z-index:1; width:100%; max-width:980px; max-height:92vh;
  display:grid; grid-template-columns:1.15fr .85fr; overflow:hidden;
  background:linear-gradient(160deg, #06251F, #04201C); color:var(--cream);
  border-radius:22px; border:1px solid rgba(218,157,40,.35);
  box-shadow:0 50px 110px -30px rgba(0,0,0,.7);
  transform:translateY(22px) scale(.96); opacity:0; transition:transform .45s var(--ease), opacity .45s var(--ease);
}
.welcome-modal.is-open .letter-modal{ transform:translateY(0) scale(1); opacity:1; }
.letter-content{ padding:clamp(26px,3.2vw,44px); overflow-y:auto; }
.letter-title{
  font-weight:800; font-size:clamp(1.8rem,1.3rem + 2vw,2.7rem); line-height:1.1;
  background:var(--gradient-gold); -webkit-background-clip:text; background-clip:text; color:transparent;
  margin-bottom:22px;
}
.letter-points{ display:flex; flex-direction:column; gap:18px; }
.letter-point, .letter-invite{ display:flex; gap:14px; align-items:flex-start; }
.lp-icon{
  flex-shrink:0; display:flex; align-items:center; justify-content:center;
  width:22px; height:26px;
}
.lp-icon svg{ display:none; }
.lp-icon::before{
  content:''; width:16px; height:2.5px; border-radius:2px;
  background:var(--gradient-gold); box-shadow:0 0 8px rgba(255,207,69,.5);
}
.letter-point p, .letter-invite p{ font-size:.95rem; line-height:1.6; color:rgba(245,241,230,.82); margin:0; }
.letter-point strong, .letter-invite strong{ color:var(--gold-light); font-weight:700; }
.letter-invite{ margin-top:22px; padding-top:20px; border-top:1px solid rgba(245,241,230,.12); }
.letter-invite p{ font-size:1rem; }
.letter-brand{ display:flex; align-items:center; gap:14px; margin-top:24px; }
.letter-brand img{ width:58px; height:58px; border-radius:50%; filter:drop-shadow(0 0 12px rgba(255,207,69,.5)); }
.letter-brand strong{ display:block; font-weight:800; font-size:1.3rem; color:var(--gold-light); letter-spacing:.04em; }
.letter-brand span{ font-size:.74rem; letter-spacing:.08em; text-transform:uppercase; color:rgba(245,241,230,.6); }
.letter-actions{ display:flex; align-items:center; flex-wrap:wrap; gap:18px; margin-top:26px; }
.letter-cta{ border-radius:999px; }
.letter-link{ font-weight:700; font-size:.85rem; letter-spacing:.04em; text-transform:uppercase; color:var(--gold-light); text-decoration:underline; text-underline-offset:4px; }
.letter-skip{ background:none; border:none; font-weight:600; font-size:.85rem; letter-spacing:.04em; text-transform:uppercase; color:rgba(245,241,230,.55); }
.letter-skip:hover{ color:var(--cream); }
.letter-visual{
  background:url("../img/popup.png") no-repeat; background-size:cover; background-position:100% center;
  position:relative;
}
.letter-visual::before{ content:''; position:absolute; inset:0; background:linear-gradient(90deg, #04201C 0%, rgba(4,32,28,.85) 18%, rgba(4,32,28,0) 42%); }
.letter-close{
  position:absolute; top:14px; right:16px; z-index:3; width:36px; height:36px; border:none; border-radius:50%;
  background:rgba(245,241,230,.14); color:var(--cream); font-size:1.5rem; line-height:1;
  display:flex; align-items:center; justify-content:center; transition:background .25s var(--ease);
}
.letter-close:hover{ background:rgba(245,241,230,.28); }
/* ---- Tablet / iPad dọc: 1 cột, vùng nội dung cuộn được ---- */
@media (max-width:820px){
  .letter-modal{
    display:flex; flex-direction:column; max-width:560px; max-height:90vh;
  }
  .letter-visual{
    display:block; flex:0 0 auto; min-height:150px; order:-1;
    background-position:center 30%;
  }
  .letter-visual::before{ background:linear-gradient(0deg, #06251F 0%, rgba(4,32,28,0) 60%); }
  .letter-content{ flex:1 1 auto; min-height:0; overflow-y:auto; }
}
/* ---- Điện thoại: rút gọn ---- */
@media (max-width:560px){
  .welcome-modal{ padding:10px; }
  .letter-modal{ max-height:92vh; border-radius:18px; }
  .letter-visual{ display:none; }
  .letter-content{ padding:24px 18px 22px; }
  .letter-title{ font-size:1.7rem; margin-bottom:14px; }
  .letter-points{ gap:12px; }
  .letter-point p{ font-size:.86rem; line-height:1.5; }
  .letter-invite{ display:none; }              /* rút gọn: ẩn đoạn mời */
  .letter-brand{ margin-top:18px; gap:12px; }
  .letter-brand img{ width:46px; height:46px; }
  .letter-brand strong{ font-size:1.05rem; }
  .letter-brand span{ font-size:.66rem; }
  .letter-actions{ flex-direction:column; align-items:stretch; gap:12px; margin-top:18px; }
  .letter-cta{ width:100%; justify-content:center; }
  .letter-link, .letter-skip{ text-align:center; font-size:.82rem; }
}
/* ---- Điện thoại nhỏ (≤360px): gọn thêm ---- */
@media (max-width:360px){
  .letter-visual{ display:none; }
  .letter-title{ font-size:1.5rem; }
  .letter-point p{ font-size:.82rem; }
}
/* ---- Màn ngang rất thấp ---- */
@media (max-height:520px){
  .letter-visual{ display:none; }
  .letter-modal{ max-height:96vh; }
}

/* ===== Banner strip (Non nước Việt Nam) ===== */
.banner-strip{ position:relative; border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-soft); }
.banner-strip--full{ border-radius:0; box-shadow:none; width:100%; }
.banner-strip img{ width:100%; height:auto; display:block; }
.banner-strip.is-empty{ min-height:220px; background:linear-gradient(135deg, #04201C, #007D6B); }
.banner-strip__label{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  padding:8px 16px; border-radius:999px; background:rgba(245,241,230,.12);
  border:1px solid rgba(245,241,230,.25); color:rgba(245,241,230,.8);
  font-size:.85rem; font-weight:600; display:none;
}
.banner-strip.is-empty .banner-strip__label{ display:inline-block; }

/* ===== Đối tác ===== */
.partner-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.partner-card{
  display:grid; grid-template-rows:1fr auto; align-items:center; justify-items:center; gap:22px;
  min-height:180px; padding:36px 28px; background:#fff;
  border:1px solid rgba(0,0,0,.06); border-radius:var(--radius-md);
  box-shadow:0 10px 30px -22px rgba(4,32,28,.25);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.partner-card:hover{ transform:translateY(-5px); box-shadow:0 22px 44px -26px rgba(4,32,28,.3); border-color:rgba(218,157,40,.4); }
.partner-card img{ max-height:72px; max-width:80%; width:auto; object-fit:contain; }
.partner-card img.partner-logo-shb{ max-height:144px; max-width:100%; }
.partner-card img.partner-logo-lv{ max-height:108px; max-width:100%; }
.partner-name{ font-weight:600; color:var(--teal); font-size:1rem; text-align:center; align-self:end; }
@media (max-width:760px){ .partner-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .partner-grid{ grid-template-columns:1fr; } }

/* Grid 5 card (Hạ tầng văn hóa số) */
.grid-5{ display:grid; gap:24px; grid-template-columns:1fr; }
@media (min-width:600px){ .grid-5{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:900px){ .grid-5{ grid-template-columns:repeat(3,1fr); } }
@media (min-width:1100px){ .grid-5{ grid-template-columns:repeat(5,1fr); } }

/* ===== Roadmap / Tầm nhìn dài hạn ===== */
.roadmap{ display:grid; gap:30px; grid-template-columns:repeat(4,1fr); position:relative; }
.roadmap-item{ text-align:center; position:relative; }
.roadmap-node{
  width:68px; height:68px; border-radius:50%; margin:0 auto 18px;
  background:var(--gradient-gold); color:var(--ink);
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-gold); position:relative; z-index:2;
  transition:transform .35s var(--ease);
}
.roadmap-node svg{ width:30px; height:30px; }
.roadmap-node--img{ width:92px; height:92px; background:none; box-shadow:none; padding:0; }
.roadmap-node--img img{ width:100%; height:100%; object-fit:contain; display:block; filter:drop-shadow(0 6px 14px rgba(0,0,0,.28)); }
.roadmap-node{ font-family:var(--font-display); font-weight:800; font-size:1.6rem; }
.roadmap-item:hover .roadmap-node{ transform:translateY(-5px) scale(1.06); }
.roadmap-tag{
  display:inline-block; font-size:.74rem; font-weight:700; letter-spacing:.06em;
  text-transform:uppercase; color:var(--gold); margin-bottom:6px;
}
.roadmap-item h3{ color:var(--teal-dark); margin-bottom:8px; }
.roadmap-item p{ font-size:.92rem; color:rgba(4,32,28,.65); }
@media (min-width:760px){
  .roadmap::before{
    content:''; position:absolute; top:34px; left:13%; right:13%; height:2px; z-index:1;
    background:linear-gradient(90deg, var(--teal-light), var(--gold));
  }
}
@media (max-width:760px){ .roadmap{ grid-template-columns:repeat(2,1fr); gap:28px 20px; } }
@media (max-width:460px){ .roadmap{ grid-template-columns:1fr; } }

/* Key message — callout nổi bật */
.key-message{
  margin:24px 0 0; padding:18px 22px;
  border-left:4px solid var(--gold);
  background:linear-gradient(90deg, rgba(218,157,40,.1), rgba(218,157,40,0));
  border-radius:0 12px 12px 0;
  font-size:clamp(1.02rem,1rem + .25vw,1.18rem); font-weight:600;
  font-style:italic; color:var(--teal-dark); line-height:1.5;
}

/* Utility */
.gold-text{ background:var(--gradient-gold); -webkit-background-clip:text; background-clip:text; color:transparent; }
.text-center{ text-align:center; }
.nowrap-lg{ white-space:nowrap; }
@media (max-width:600px){ .nowrap-lg{ white-space:normal; } }
.mt-0{ margin-top:0 !important; }
.divider-gold{ width:60px; height:3px; background:var(--gradient-gold); border-radius:3px; margin-block:18px; }
.section-head.center .divider-gold{ margin-inline:auto; }

/* ===================================================================
   RESPONSIVE OPTIMIZATION — mobile / tablet / iPad
=================================================================== */

/* Anchor offset cho header cố định (tránh tiêu đề bị che khi click menu) */
[id]{ scroll-margin-top:96px; }

/* ---- Tablet & iPad dọc (≈760–1024px) ---- */
@media (min-width:760px) and (max-width:1024px){
  .grid--4{ grid-template-columns:repeat(2,1fr); }
  .grid--3{ grid-template-columns:repeat(2,1fr); }
  .feature-row{ grid-template-columns:repeat(2,1fr); }
  .steps-grid{ grid-template-columns:repeat(2,1fr); }
  .container{ padding-inline:32px; }
}

/* ---- iPad Pro / màn lớn (≥1025px): khôi phục 4 cột ---- */
@media (min-width:1025px){
  .grid--4{ grid-template-columns:repeat(4,1fr); }
  .feature-row{ grid-template-columns:repeat(4,1fr); }
  .steps-grid{ grid-template-columns:repeat(4,1fr); }
}

/* ---- Mọi màn hình ≤760px ---- */
@media (max-width:760px){
  .section{ padding-block:clamp(44px,9vw,68px); }
  .section-head{ margin-bottom:32px; }
  .hero{ padding-top:calc(92px + clamp(28px,6vw,48px)); }
  .hero-actions{ width:100%; }
  .hero-actions .btn{ flex:1 1 180px; justify-content:center; }
  .cta-banner{ text-align:center; justify-content:center; }
  .cta-banner h2,.cta-banner p{ margin-inline:auto; }
  .cta-banner .store-badges{ justify-content:center; }
  .cta-banner .brand-mark{ display:none; }
  .footer-bottom{ flex-direction:column; text-align:center; gap:16px; }
  .vn-map img{ max-width:440px; }
}

/* ---- Điện thoại (≤560px) ---- */
@media (max-width:560px){
  .container{ padding-inline:18px; }
  .phone-stage{ gap:6px; }
  .phone{ width:clamp(150px,46vw,200px); }
  .float-chip{ font-size:.64rem; padding:7px 10px; }
  .float-chip svg{ width:14px; height:14px; }
  .module-card{ padding:24px 20px; }
  .t-card{ flex-basis:90vw; padding:22px; }
  .back-top{ right:14px; bottom:14px; width:42px; height:42px; }
  .store-badge{ flex:1 1 auto; justify-content:center; }
  /* Header gọn: logo lớn hơn, title nhỏ lại, ẩn nút Tải ứng dụng */
  .brand{ gap:.5rem; }
  .brand img{ width:52px; height:52px; }
  .brand-name{ font-size:.95rem; }
  .brand-tag{ font-size:.5rem; letter-spacing:.08em; }
  .header-cta{ display:none; }

  /* Thư viện / Tin tức: 2 thẻ 1 hàng, kích thước đều nhau */
  .grid--3{ grid-template-columns:repeat(2,1fr); gap:14px; }
  .article-card .article-thumb{ height:104px; }
  .article-card .article-thumb svg{ width:30px; height:30px; }
  .article-body{ padding:14px 13px; gap:7px; }
  .article-cat{ font-size:.6rem; }
  .article-card h3{
    font-size:.86rem; line-height:1.32;
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
  }
  /* Phần nội dung chỉ giữ tiêu đề (~10 từ), ẩn mô tả & meta */
  .article-body p,
  .article-meta{ display:none; }
}

/* ---- Điện thoại nhỏ (≤380px): ẩn phone phụ để gọn ---- */
@media (max-width:380px){
  .phone-stage .phone--back{ display:none; }
  .phone{ width:min(72vw,230px); }
}

/* ===================================================================
   CARD HOVER EFFECTS — phong cách VNG (zoom ảnh, overlay, lift, accent)
=================================================================== */

/* ---- Thẻ bài viết / tin tức: zoom ảnh + overlay + nhấc thẻ ---- */
.article-card{
  transition:transform .45s var(--ease), box-shadow .45s var(--ease);
  will-change:transform;
}
.article-card .article-thumb{ position:relative; transition:none; }
.article-card .article-thumb::before{
  content:''; position:absolute; inset:0; z-index:1;
  background:linear-gradient(180deg, rgba(1,62,54,0) 40%, rgba(1,62,54,.55) 100%);
  opacity:0; transition:opacity .45s var(--ease);
}
.article-card .article-thumb svg{ transition:transform .55s var(--ease); position:relative; z-index:2; }
.article-card:hover{ transform:translateY(-8px); box-shadow:0 32px 64px -24px rgba(4,32,28,.4); }
.article-card:hover .article-thumb::before{ opacity:1; }
.article-card:hover .article-thumb svg{ transform:scale(1.18) rotate(-3deg); }
.article-card:hover .article-thumb::after{ transform:scale(1.12); }
.article-card .article-thumb::after{ transition:transform .6s var(--ease); }
.article-card h3{ transition:color .35s var(--ease); }
.article-card:hover h3{ color:var(--teal); }

/* ---- Thẻ module app: nhấc + viền vàng + thanh accent trượt + icon nảy ---- */
.module-card{ position:relative; overflow:hidden; }
.module-card::before{
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:var(--gradient-gold); transform:scaleX(0); transform-origin:left;
  transition:transform .45s var(--ease);
}
.module-card{ transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease); }
.module-card:hover{ border-color:rgba(218,157,40,.45); }
.module-card:hover::before{ transform:scaleX(1); }
.module-card .icon-badge{ transition:transform .4s var(--ease); }
.module-card:hover .icon-badge{ transform:translateY(-4px) scale(1.08); }

/* ---- Thẻ giá trị cốt lõi: lift + viền + icon ---- */
.value-card{ transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease); }
.value-card:hover{ transform:translateY(-6px); box-shadow:0 28px 56px -22px rgba(4,32,28,.32); border-color:rgba(0,94,82,.25); }
.value-card .icon-badge{ transition:transform .4s var(--ease); }
.value-card:hover .icon-badge{ transform:scale(1.1); }

/* ---- Thẻ feedback: lift nhẹ + sao sáng lên ---- */
.t-card{ transition:transform .4s var(--ease), box-shadow .4s var(--ease); }
.t-card:hover{ transform:translateY(-6px); box-shadow:0 28px 56px -22px rgba(4,32,28,.3); }

/* ---- Thẻ đội ngũ: ảnh phóng + đổ bóng ---- */
.team-card .team-photo{ transition:transform .45s var(--ease), box-shadow .45s var(--ease); }
.team-card:hover .team-photo{ transform:scale(1.06); box-shadow:var(--shadow-gold); }

/* ---- Thẻ feature (Văn Minh Số là gì): icon nảy khi hover ---- */
.feature-item .icon-badge{ transition:transform .4s var(--ease), background .4s var(--ease); }
.feature-item:hover .icon-badge{ transform:translateY(-4px) scale(1.08); }

/* ---- 4 thẻ "Văn Minh Số là gì" dạng card — hiệu ứng viền gradient kiểu VNG ---- */
.feature-row--cards{ margin-top:clamp(40px,5vw,64px); }
.feature-row--cards .feature-item{
  position:relative; text-align:left; appearance:none; background:#fff; cursor:pointer;
  border:1px solid rgba(0,94,82,.12); border-radius:20px;
  padding:26px 24px; box-shadow:0 14px 36px -24px rgba(4,32,28,.22);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease),
             background .4s var(--ease), border-color .4s var(--ease);
}
/* vòng viền gradient bám đúng góc bo, hiện dần khi hover */
.feature-row--cards .feature-item::after{
  content:''; position:absolute; inset:0; border-radius:inherit; padding:1.6px;
  background:var(--gradient-gold);
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  opacity:0; transition:opacity .4s var(--ease); pointer-events:none;
}
.feature-row--cards .feature-item h4,
.feature-row--cards .feature-item p{ transition:color .35s var(--ease); }
.feature-row--cards .feature-item .icon-badge{ transition:transform .4s var(--ease), background .4s var(--ease), color .4s var(--ease); }
.feature-row--cards .feature-item:hover{
  transform:translateY(-8px); border-color:transparent;
  box-shadow:0 30px 60px -24px rgba(0,94,82,.35);
}
.feature-row--cards .feature-item:hover::after{ opacity:1; }
.feature-row--cards .feature-item:hover h4{ color:var(--gold); }
.feature-row--cards .feature-item:hover .icon-badge{ transform:translateY(-3px) scale(1.08); }

/* Trạng thái được chọn (click) — đổi nền + đổi màu chữ */
.feature-row--cards .feature-item.is-active{
  background:var(--teal); border-color:transparent;
  box-shadow:0 24px 54px -20px rgba(0,94,82,.55);
}
.feature-row--cards .feature-item.is-active h4{ color:#fff; }
.feature-row--cards .feature-item.is-active p{ color:#fff; }
.feature-row--cards .feature-item.is-active .icon-badge{
  background:rgba(255,255,255,.16); color:#fff; transform:scale(1.06);
}
.feature-row--cards .feature-item.is-active .icon-badge svg{ color:#fff; stroke:#fff; }
/* giữ chữ & icon trắng kể cả khi hover lên thẻ đang active */
.feature-row--cards .feature-item.is-active:hover h4,
.feature-row--cards .feature-item.is-active:hover p{ color:#fff; }

/* Tắt hiệu ứng cho người dùng giảm chuyển động */
@media (prefers-reduced-motion: reduce){
  .article-card, .module-card, .value-card, .t-card,
  .article-thumb svg, .article-thumb::after, .module-card .icon-badge,
  .team-photo, .feature-item .icon-badge{ transition:none !important; }
}

/* ===== Hero map (Về chúng tôi) — bản đồ tách nền + nền công nghệ động ===== */
.map-stage{ position:relative; width:100%; aspect-ratio:1/1; display:flex; align-items:center; justify-content:center; overflow:visible; }
.map-fx{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; }
/* Lưới phẳng chính diện (không nghiêng 3D), bo tròn theo mặt phẳng bản đồ */
.map-grid-flat{
  position:absolute; width:92%; aspect-ratio:1/1;
  background-image:linear-gradient(rgba(0,200,150,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(0,200,150,.22) 1px, transparent 1px);
  background-size:28px 28px;
  mask-image:radial-gradient(circle at 50% 50%, #000 40%, transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 50% 50%, #000 40%, transparent 75%);
  animation:map-grid-pan 6s linear infinite;
}
@keyframes map-grid-pan{ from{ background-position:0 0,0 0; } to{ background-position:0 28px,28px 0; } }
/* Cụm HUD vòng nét đứt xoay (phong cách hero trang chủ) */
.map-hud{ position:absolute; width:98%; aspect-ratio:1/1; overflow:visible; opacity:.9; }
@keyframes map-rings-spin{ to{ transform:rotate(360deg); } }
.map-stage__glow{
  position:absolute; width:70%; aspect-ratio:1/1; border-radius:50%;
  background:radial-gradient(circle, rgba(0,200,150,.28), rgba(0,200,150,0) 68%);
  filter:blur(6px); animation:map-glow-pulse 5s ease-in-out infinite;
}
@keyframes map-glow-pulse{ 0%,100%{ opacity:.5; transform:scale(.95); } 50%{ opacity:.9; transform:scale(1.05); } }
.map-float{
  position:relative; z-index:2; max-height:92%; max-width:80%; width:auto; object-fit:contain;
  filter:drop-shadow(0 0 22px rgba(0,210,150,.45));
  animation:map-float-y 6s ease-in-out infinite, map-float-glow 5s ease-in-out infinite;
}
@keyframes map-float-y{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-16px); } }
@keyframes map-float-glow{ 0%,100%{ filter:drop-shadow(0 0 18px rgba(0,210,150,.4)); } 50%{ filter:drop-shadow(0 0 38px rgba(0,230,170,.7)); } }
.map-spark{
  position:absolute; z-index:3; width:7px; height:7px; border-radius:50%;
  background:radial-gradient(circle, #fff, rgba(255,225,120,.9) 40%, rgba(255,225,120,0) 70%);
  box-shadow:0 0 10px rgba(255,225,120,.9); animation:map-twinkle 3.2s ease-in-out infinite;
}
@keyframes map-twinkle{ 0%,100%{ opacity:.15; transform:scale(.5); } 50%{ opacity:1; transform:scale(1.1); } }
@media (prefers-reduced-motion:reduce){
  .map-grid-flat,.map-hud .hud-ring,.map-hud .hud-core,.map-stage__glow,.map-float,.map-spark{ animation:none; }
}