/* =========================================================================
   SOCA MEDIA — Design System V12
   "Dark Ember" — nền tối ám sắc thương hiệu, accent cam, bo mềm, glass.
   Tác giả: SOCA Media. Không phụ thuộc framework, không build step.
   ---------------------------------------------------------------------
   MỤC LỤC
   01. Tokens (biến thiết kế)      07. Hero
   02. Reset & Base                08. Sections & Components
   03. Typography                  09. Forms
   04. Layout utilities            10. Footer
   05. Buttons & Chips             11. Utilities & Motion
   06. Header / Nav / Drawer       12. Responsive
   ========================================================================= */

/* =========================================================
   01. TOKENS
   ========================================================= */
:root{
  /* --- Thương hiệu: đổi 3 biến dưới là đổi toàn bộ tông màu site --- */
  --brand:        #FF5A2F;
  --brand-2:      #FF8A3D;
  --brand-3:      #FFB23A;

  --brand-ink:    #FFF2ED;
  --brand-glow:   rgba(255, 90, 47, .38);
  --brand-soft:   rgba(255, 90, 47, .12);
  --brand-line:   rgba(255, 90, 47, .28);
  --gradient:     linear-gradient(100deg, var(--brand) 0%, var(--brand-2) 55%, var(--brand-3) 100%);
  --gradient-soft:linear-gradient(140deg, rgba(255,90,47,.16), rgba(255,178,58,.05) 60%, transparent);

  /* --- Nền & bề mặt --- */
  --bg:           #0A0807;
  --bg-2:         #0E0B0A;
  --bg-3:         #131010;
  --surface:      rgba(255,255,255,.035);
  --surface-2:    rgba(255,255,255,.06);
  --surface-3:    rgba(255,255,255,.09);

  /* --- Đường viền --- */
  --line:         rgba(255,255,255,.10);
  --line-2:       rgba(255,255,255,.16);
  --line-3:       rgba(255,255,255,.24);

  /* --- Chữ --- */
  --text:         #FFFFFF;
  --text-2:       rgba(255,255,255,.70);
  --text-3:       rgba(255,255,255,.48);

  /* --- Bo góc --- */
  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* --- Đổ bóng --- */
  --sh-sm:  0 2px 8px rgba(0,0,0,.30);
  --sh-md:  0 14px 34px rgba(0,0,0,.42);
  --sh-lg:  0 30px 70px rgba(0,0,0,.55);
  --sh-brand: 0 18px 44px -14px var(--brand-glow);

  /* --- Nhịp & layout --- */
  --container: 1240px;
  --gutter: 24px;
  --header-h: 76px;
  --section-y: clamp(72px, 8.5vw, 124px);

  /* --- Chuyển động --- */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --t-fast: .18s;
  --t: .32s;
  --t-slow: .6s;

  /* --- Chữ --- */
  --font: "Plus Jakarta Sans", "Be Vietnam Pro", system-ui, -apple-system,
          "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

/* =========================================================
   02. RESET & BASE
   ========================================================= */
*, *::before, *::after{ box-sizing: border-box; }
* { margin: 0; }

html{
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body{
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  /* Vệt sáng cam rất nhẹ ở đầu trang, tạo chiều sâu cho nền đen */
  background-image:
    radial-gradient(1200px 620px at 78% -8%, rgba(255,90,47,.10), transparent 62%),
    radial-gradient(900px 520px at 4% 6%, rgba(255,138,61,.055), transparent 60%);
  background-repeat: no-repeat;
  background-attachment: fixed;
}
body.is-locked{ overflow: hidden; }

img, video{ display: block; max-width: 100%; height: auto; }
/* Icon nội tuyến: mặc định 1.1em để KHÔNG BAO GIỜ phình to nếu quên đặt kích thước.
   Mọi rule cụ thể bên dưới (.btn svg, .card__icon svg…) đều ghi đè được rule này. */
svg{ display: block; width: 1.1em; height: 1.1em; flex: none; }
a{ color: inherit; text-decoration: none; }
button, input, textarea, select{ font: inherit; color: inherit; }
button{ background: none; border: 0; cursor: pointer; }
ul, ol{ list-style: none; padding: 0; }
::selection{ background: var(--brand); color: #fff; }

/* Focus ring nhất quán, chỉ hiện khi dùng bàn phím */
:focus-visible{
  outline: 2px solid var(--brand-2);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

/* Thanh cuộn */
::-webkit-scrollbar{ width: 10px; height: 10px; }
::-webkit-scrollbar-track{ background: #0B0908; }
::-webkit-scrollbar-thumb{ background: #2A2320; border-radius: 99px; border: 2px solid #0B0908; }
::-webkit-scrollbar-thumb:hover{ background: #3C312C; }

/* Bỏ qua tới nội dung chính (a11y) */
.skip-link{
  position: absolute; left: 16px; top: -100px; z-index: 300;
  background: var(--brand); color: #fff; font-weight: 700;
  padding: 12px 18px; border-radius: var(--r-pill);
  transition: top var(--t) var(--ease);
}
.skip-link:focus{ top: 16px; }

/* =========================================================
   03. TYPOGRAPHY
   ========================================================= */
h1, h2, h3, h4{
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.12;
  text-wrap: balance;
  /* Tiếng Việt nhiều dấu: không bao giờ để line-height < 1.05 */
}

.h-display{
  font-size: clamp(2.5rem, 5.6vw, 4.5rem);
  line-height: 1.06;
  letter-spacing: -.038em;
  font-weight: 800;
}
.h-1{ font-size: clamp(2.15rem, 4.6vw, 3.6rem); line-height: 1.08; letter-spacing: -.035em; }
.h-2{ font-size: clamp(1.85rem, 3.4vw, 2.85rem); line-height: 1.12; letter-spacing: -.03em; }
.h-3{ font-size: clamp(1.15rem, 1.5vw, 1.4rem); line-height: 1.28; letter-spacing: -.02em; font-weight: 700; }

/* Từ khoá được tô gradient trong tiêu đề */
.grad{
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  /* dự phòng khi trình duyệt không hỗ trợ background-clip */
  -webkit-text-fill-color: transparent;
}
@supports not ((-webkit-background-clip: text) or (background-clip: text)){
  .grad{ color: var(--brand); -webkit-text-fill-color: var(--brand); }
}

p{ text-wrap: pretty; }
.lead{ font-size: clamp(1.02rem, 1.25vw, 1.15rem); line-height: 1.78; color: var(--text-2); }
.muted{ color: var(--text-2); }
.dim{ color: var(--text-3); }

/* Eyebrow: nhãn nhỏ phía trên tiêu đề */
.eyebrow{
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .75rem; font-weight: 800; letter-spacing: .15em;
  text-transform: uppercase; color: var(--brand-2);
  margin-bottom: 18px;
}
.eyebrow::before{
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft);
  flex: none;
}
/* Eyebrow đặt trên nền cam */
.eyebrow--light{ color: rgba(255,255,255,.92); }
.eyebrow--light::before{ background: #fff; box-shadow: 0 0 0 4px rgba(255,255,255,.22); }

/* =========================================================
   04. LAYOUT
   ========================================================= */
.container{ width: min(var(--container), 100% - (var(--gutter) * 2)); margin-inline: auto; }

.section{ position: relative; padding: var(--section-y) 0; }
.section--tight{ padding: clamp(52px, 6vw, 84px) 0; }
.section--panel{ background: var(--bg-2); }
.section--panel::before{
  content:""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(760px 380px at 82% 0%, rgba(255,90,47,.085), transparent 66%);
}
.section--panel > *{ position: relative; z-index: 1; }

/* Đường kẻ mảnh phân tách section */
.section--line{ border-top: 1px solid var(--line); }
.section--flush-top{ padding-top: 0; }

/* Đầu section */
.sec-head{ max-width: 880px; margin-bottom: clamp(40px, 5vw, 64px); }
.sec-head--center{ margin-inline: auto; text-align: center; }
.sec-head--center .eyebrow{ justify-content: center; }
.sec-head p{ margin-top: 18px; }

.sec-head--split{
  max-width: none; display: flex; gap: 32px;
  justify-content: space-between; align-items: flex-end; flex-wrap: wrap;
}
.sec-head--split > div{ max-width: 720px; }

/* Lưới chung */
.grid{ display: grid; gap: 18px; }
.grid--2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--3{ grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid--4{ grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid--5{ grid-template-columns: repeat(5, minmax(0,1fr)); }

/* Lưới 5 ô kiểu 3 + 2: hai ô cuối rộng hơn, thoáng chữ tiếng Việt hơn
   nhiều so với 5 cột đều nhau. Bật từ 1181px trở lên. */
@media (min-width: 1181px){
  .grid--5.grid--32{ grid-template-columns: repeat(6, minmax(0,1fr)); }
  .grid--5.grid--32 > *{ grid-column: span 2; }
  .grid--5.grid--32 > *:nth-child(4),
  .grid--5.grid--32 > *:nth-child(5){ grid-column: span 3; }
}

.split{
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5vw, 76px); align-items: center;
}
.split--copy{ grid-template-columns: .95fr 1.05fr; align-items: start; }

/* =========================================================
   05. BUTTONS & CHIPS
   ========================================================= */
.btn{
  --btn-bg: var(--surface-2);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 26px;
  border-radius: var(--r-pill);
  font-weight: 700; font-size: .93rem; letter-spacing: -.01em;
  background: var(--btn-bg);
  border: 1px solid var(--line-2);
  color: var(--text);
  position: relative; overflow: hidden;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease),
              background-color var(--t) var(--ease), border-color var(--t) var(--ease);
  white-space: nowrap;
}
.btn svg{ width: 17px; height: 17px; flex: none; transition: transform var(--t) var(--ease); }
.btn:hover{ transform: translateY(-2px); }
.btn:active{ transform: translateY(0); }
.btn:hover svg{ transform: translate(3px, -3px); }

.btn--primary{
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--sh-brand);
}
.btn--primary::after{
  /* ánh sáng quét qua khi hover */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 20%, rgba(255,255,255,.34) 50%, transparent 80%);
  transform: translateX(-130%);
  transition: transform .75s var(--ease-out);
}
.btn--primary:hover{ box-shadow: 0 22px 54px -14px var(--brand-glow); }
.btn--primary:hover::after{ transform: translateX(130%); }

.btn--ghost{ background: transparent; }
.btn--ghost:hover{ background: var(--surface-2); border-color: var(--line-3); }

.btn--light{ background: #fff; color: #17110E; border-color: #fff; }
.btn--light:hover{ background: #FFF1EB; }

.btn--dark{ background: #120D0B; color: #fff; border-color: rgba(0,0,0,.2); }
.btn--dark:hover{ background: #000; }

.btn--sm{ min-height: 40px; padding: 0 18px; font-size: .85rem; }
.btn--block{ width: 100%; }

/* Liên kết dạng mũi tên */
.link-arrow{
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--brand-2);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--brand-line);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), gap var(--t) var(--ease);
}
.link-arrow svg{ width: 15px; height: 15px; transition: transform var(--t) var(--ease); }
.link-arrow:hover{ color: var(--brand-3); border-color: var(--brand-3); gap: 12px; }
.link-arrow:hover svg{ transform: translate(2px,-2px); }
.link-arrow--light{ color: #fff; border-color: rgba(255,255,255,.4); }
.link-arrow--light:hover{ color: #fff; border-color: #fff; }

/* Chip / tag */
.chip{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: var(--r-pill);
  border: 1px solid var(--line-2); background: var(--surface);
  font-size: .875rem; font-weight: 600; color: var(--text-2);
  transition: all var(--t) var(--ease);
}
.chip:hover{ color: #fff; border-color: var(--brand-line); background: var(--brand-soft); }
.chip-row{ display: flex; flex-wrap: wrap; gap: 10px; }
.chip-row--center{ justify-content: center; }

/* Badge nhỏ trong hero */
.badge{
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 10px; border-radius: var(--r-pill);
  background: var(--surface-2); border: 1px solid var(--line-2);
  font-size: .8rem; font-weight: 600; color: var(--text-2);
  backdrop-filter: blur(10px);
}
.badge b{ color: #fff; font-weight: 700; }
.badge .dot{
  width: 8px; height: 8px; border-radius: 50%; background: var(--brand);
  box-shadow: 0 0 0 0 var(--brand-glow);
  animation: pulse 2.4s var(--ease) infinite;
  flex: none;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 var(--brand-glow); }
  70%{ box-shadow: 0 0 0 9px rgba(255,90,47,0); }
  100%{ box-shadow: 0 0 0 0 rgba(255,90,47,0); }
}

/* =========================================================
   06. HEADER / NAV / DRAWER
   ========================================================= */
.hdr{
  position: fixed; inset: 0 0 auto 0; z-index: 120;
  transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease),
              backdrop-filter var(--t) var(--ease);
  border-bottom: 1px solid transparent;
}
.hdr.is-scrolled{
  background: rgba(10,8,7,.78);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.hdr__bar{
  height: var(--header-h);
  display: flex; align-items: center; gap: 20px;
  justify-content: space-between;
}

/* Logo */
.logo{
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 1.32rem; font-weight: 800; letter-spacing: -.045em;
  color: #fff; flex: none;
}
/* Logo chính thức (ảnh PNG nền trong suốt) */
.logo__img{
  height: 34px; width: auto; flex: none;
  transition: opacity var(--t) var(--ease);
}
.logo:hover .logo__img{ opacity: .85; }

/* Giữ lại cho trường hợp cần logo dạng chữ */
.logo__mark{
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--gradient);
  display: grid; place-items: center;
  box-shadow: var(--sh-brand);
  flex: none;
}
.logo__mark svg{ width: 18px; height: 18px; }
.logo__text b{ color: var(--brand-2); font-weight: 800; }

/* Nav desktop — viên thuốc kính mờ */
.nav{
  display: flex; align-items: center; gap: 2px;
  padding: 5px; border-radius: var(--r-pill);
  background: var(--surface); border: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.nav__link{
  position: relative;
  padding: 10px 16px; border-radius: var(--r-pill);
  font-size: .875rem; font-weight: 600; color: var(--text-2);
  white-space: nowrap;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.nav__link:hover{ color: #fff; background: var(--surface-2); }
.nav__link.is-active{
  color: #fff;
  background: var(--brand-soft);
  box-shadow: inset 0 0 0 1px var(--brand-line);
}

.hdr__actions{ display: flex; align-items: center; gap: 12px; flex: none; }

/* Chuyển ngôn ngữ */
.lang{
  display: inline-flex; align-items: center;
  padding: 4px; border-radius: var(--r-pill);
  border: 1px solid var(--line); background: var(--surface);
}
.lang a, .lang span{
  display: grid; place-items: center;
  min-width: 38px; height: 32px; border-radius: var(--r-pill);
  font-size: .76rem; font-weight: 800; color: var(--text-3);
  transition: all var(--t) var(--ease);
}
.lang .is-active{ background: var(--gradient); color: #fff; }
.lang a:hover{ color: #fff; background: var(--surface-2); }

/* Nút menu mobile (hamburger biến thành X) */
.burger{
  display: none;
  width: 44px; height: 44px; border-radius: 12px;
  border: 1px solid var(--line-2); background: var(--surface);
  place-items: center;
}
.burger span{
  display: block; width: 18px; height: 2px; border-radius: 2px;
  background: #fff; transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
}
.burger span + span{ margin-top: 4px; }
.burger[aria-expanded="true"] span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

/* Thanh tiến trình cuộn */
.hdr__progress{
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%;
  transform-origin: 0 50%; transform: scaleX(0);
  background: var(--gradient);
}

/* Drawer mobile toàn màn hình */
.drawer{
  position: fixed; inset: 0; z-index: 119;
  background: rgba(10,8,7,.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: calc(var(--header-h) + 24px) var(--gutter) 40px;
  display: flex; flex-direction: column;
  opacity: 0; visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease), visibility var(--t);
  overflow-y: auto;
}
.drawer.is-open{ opacity: 1; visibility: visible; transform: none; }
.drawer__nav{ display: flex; flex-direction: column; }
.drawer__link{
  display: flex; align-items: center; justify-content: space-between;
  padding: 17px 4px;
  font-size: 1.3rem; font-weight: 700; letter-spacing: -.025em;
  border-bottom: 1px solid var(--line);
  color: var(--text-2);
  transition: color var(--t) var(--ease), padding-left var(--t) var(--ease);
}
.drawer__link svg{ width: 16px; height: 16px; opacity: .4; }
.drawer__link:hover, .drawer__link.is-active{ color: #fff; padding-left: 10px; }
.drawer__link.is-active svg{ opacity: 1; color: var(--brand); }
.drawer__foot{ margin-top: auto; padding-top: 32px; display: grid; gap: 12px; }

/* =========================================================
   07. HERO
   ========================================================= */
.hero{
  position: relative;
  padding: calc(var(--header-h) + clamp(56px, 8vw, 104px)) 0 clamp(64px, 7vw, 100px);
  overflow: hidden;
}
.hero--page{ padding-bottom: clamp(48px, 5vw, 72px); }

/* Nền hero: quầng sáng + lưới mảnh */
.hero__bg{ position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero__bg::before{
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 130%;
  background:
    radial-gradient(640px 420px at 74% 22%, rgba(255,90,47,.30), transparent 62%),
    radial-gradient(520px 380px at 18% 78%, rgba(255,178,58,.16), transparent 64%),
    radial-gradient(420px 300px at 50% 0%, rgba(255,138,61,.14), transparent 60%);
  filter: blur(18px);
  animation: drift 22s var(--ease) infinite alternate;
}
.hero__bg::after{
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: radial-gradient(ellipse 85% 65% at 50% 38%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 85% 65% at 50% 38%, #000 25%, transparent 78%);
}
@keyframes drift{
  0%  { transform: translate3d(0,0,0) scale(1); }
  50% { transform: translate3d(-3%, 2%, 0) scale(1.06); }
  100%{ transform: translate3d(3%, -2%, 0) scale(1.02); }
}

.hero > .container{ position: relative; z-index: 1; }
.hero__grid{
  display: grid; grid-template-columns: 1.06fr .94fr;
  gap: clamp(40px, 5vw, 72px); align-items: center;
}
.hero__title{ margin: 20px 0 22px; }
.hero__lead{ max-width: 560px; }
.hero__cta{ display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

/* Hàng tin cậy dưới hero */
.hero__trust{
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 26px;
  margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line);
}
.hero__trust span{ font-size: .82rem; color: var(--text-3); font-weight: 600; }
.hero__trust b{ color: var(--brand-2); font-weight: 800; }

/* Trang con: hero gọn, một cột */
.hero__center{ max-width: 940px; }
.hero__center .hero__cta{ margin-top: 30px; }

/* Breadcrumb */
.crumb{
  display: flex; align-items: center; gap: 8px;
  font-size: .8rem; color: var(--text-3); margin-bottom: 20px;
}
.crumb a:hover{ color: var(--brand-2); }
.crumb span{ opacity: .45; }

/* =========================================================
   08. COMPONENTS
   ========================================================= */

/* ---------- Card cơ bản (dùng chung cho dịch vụ, giá trị, quyền lợi) ---------- */
.card{
  position: relative; isolation: isolate;
  padding: 28px 26px 30px;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease),
              background-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
/* Vệt sáng theo con trỏ (JS gán --mx/--my) */
.card::before{
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), var(--brand-soft), transparent 68%);
  opacity: 0; transition: opacity var(--t) var(--ease);
}
.card:hover{
  transform: translateY(-4px);
  border-color: var(--brand-line);
  background: var(--surface-2);
  box-shadow: var(--sh-md);
}
.card:hover::before{ opacity: 1; }

.card__icon{
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--brand-soft);
  border: 1px solid var(--brand-line);
  color: var(--brand-2);
  margin-bottom: 22px;
}
.card__icon svg{ width: 22px; height: 22px; }
.card:hover .card__icon{ background: var(--gradient); border-color: transparent; color: #fff; }

.card__num{
  font-size: .76rem; font-weight: 800; letter-spacing: .14em;
  color: var(--brand-2); margin-bottom: 18px; display: block;
}
.card__title{ font-size: 1.16rem; font-weight: 700; letter-spacing: -.02em; line-height: 1.3; margin-bottom: 10px; }
.card__text{ font-size: .93rem; line-height: 1.7; color: var(--text-2); }
.card__foot{ margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }

/* Card nổi bật (một ô nhấn trong lưới) */
.card--accent{
  background: var(--gradient);
  border-color: transparent;
  box-shadow: var(--sh-brand);
}
.card--accent .card__num,
.card--accent .card__text{ color: rgba(255,255,255,.88); }
.card--accent .card__icon{ background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.3); color: #fff; }
.card--accent:hover{ border-color: transparent; background: var(--gradient); }

/* ---------- Thẻ số liệu ---------- */
.stats{ display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.stats--2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.stat{
  position: relative; overflow: hidden;
  padding: 26px 24px;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.stat::after{
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: var(--gradient); transform: scaleX(0); transform-origin: 0 50%;
  transition: transform var(--t-slow) var(--ease-out);
}
.stat:hover{ transform: translateY(-3px); border-color: var(--brand-line); background: var(--surface-2); }
.stat:hover::after{ transform: scaleX(1); }
.stat__value{
  font-size: clamp(2rem, 3.4vw, 2.85rem); font-weight: 800;
  letter-spacing: -.045em; line-height: 1.1;
  background: var(--gradient); -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  display: block;
}
.stat__label{
  display: block; margin-top: 10px;
  font-size: .78rem; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; color: var(--text-3);
}
.stat--solid{ background: var(--gradient); border-color: transparent; box-shadow: var(--sh-brand); }
.stat--solid .stat__value{ background: none; color: #fff; -webkit-text-fill-color: #fff; }
.stat--solid .stat__label{ color: rgba(255,255,255,.85); }
.stat--solid::after{ display: none; }

/* Thẻ số liệu đặt trên nền cam (trong khối .cta) */
.stat--onbrand{ background: rgba(0,0,0,.18); border-color: rgba(255,255,255,.26); }
.stat--onbrand .stat__value{ background: none; color: #fff; -webkit-text-fill-color: #fff; }
.stat--onbrand .stat__label{ color: rgba(255,255,255,.82); }
.stat--onbrand::after{ display: none; }
.stat--onbrand:hover{ border-color: rgba(255,255,255,.5); background: rgba(0,0,0,.26); }

/* ---------- Mosaic hero (Creator) ---------- */
.mosaic{ display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mosaic__cell{
  position: relative; overflow: hidden;
  min-height: 168px; padding: 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  display: flex; flex-direction: column; justify-content: space-between;
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}
.mosaic__cell:hover{ transform: translateY(-4px); border-color: var(--brand-line); }
.mosaic__cell small{ font-size: .72rem; font-weight: 800; letter-spacing: .14em; color: var(--brand-2); }
.mosaic__cell b{ font-size: 1.2rem; font-weight: 700; letter-spacing: -.02em; line-height: 1.25; }
.mosaic__cell--accent{ background: var(--gradient); border-color: transparent; box-shadow: var(--sh-brand); }
.mosaic__cell--accent small{ color: rgba(255,255,255,.85); }
.mosaic__cell svg{ width: 22px; height: 22px; opacity: .5; }

/* ---------- Ticker / Marquee ---------- */
.marquee{
  position: relative; overflow: hidden;
  padding: 16px 0;
  background: var(--gradient);
  --mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: var(--mask); mask-image: var(--mask);
}
.marquee__track{
  display: flex; align-items: center; gap: 28px;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee:hover .marquee__track{ animation-play-state: paused; }
.marquee__track span{
  font-size: .82rem; font-weight: 800; letter-spacing: .13em;
  text-transform: uppercase; color: #fff; white-space: nowrap;
}
.marquee__track i{ font-style: normal; color: rgba(255,255,255,.55); }
@keyframes marquee{ to{ transform: translateX(-50%); } }

/* Marquee logo (nền tối) */
.marquee--logos{ background: transparent; padding: 0; }
.marquee--logos .marquee__track{ gap: 48px; animation-duration: 40s; }
.marquee--logos .marquee__track span{
  font-size: 1.05rem; letter-spacing: -.02em; text-transform: none;
  color: var(--text-3); font-weight: 700;
  transition: color var(--t) var(--ease);
}
.marquee--logos .marquee__track span:hover{ color: var(--brand-2); }

/* ---------- Timeline (Hành trình) ---------- */
.timeline{ position: relative; display: grid; gap: 4px; }
.timeline__item{
  position: relative;
  display: grid; grid-template-columns: 108px 1fr;
  gap: 26px; padding: 30px 0;
  border-top: 1px solid var(--line);
  transition: background-color var(--t) var(--ease);
}
.timeline__item:last-child{ border-bottom: 1px solid var(--line); }
.timeline__item:hover{ background: linear-gradient(90deg, var(--brand-soft), transparent 55%); }
.timeline__marker{ display: flex; align-items: flex-start; gap: 12px; }
.timeline__dot{
  width: 11px; height: 11px; border-radius: 50%; margin-top: 7px;
  background: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft); flex: none;
  transition: box-shadow var(--t) var(--ease);
}
.timeline__item:hover .timeline__dot{ box-shadow: 0 0 0 7px var(--brand-soft); }
.timeline__year{ font-size: .78rem; font-weight: 800; letter-spacing: .1em; color: var(--brand-2); }
.timeline__item h3{ font-size: 1.28rem; margin-bottom: 10px; }
.timeline__item p{ color: var(--text-2); max-width: 780px; }

/* ---------- Danh sách đánh số (tiêu chí, hệ sinh thái) ---------- */
.numlist{ display: grid; }
.numlist__item{
  display: grid; grid-template-columns: 52px 1fr; gap: 18px;
  padding: 20px 14px 20px 8px;
  border-top: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: background-color var(--t) var(--ease), padding-left var(--t) var(--ease);
}
.numlist__item:last-child{ border-bottom: 1px solid var(--line); }
.numlist__item:hover{ background: var(--surface); padding-left: 16px; }
.numlist__item span{ font-size: .78rem; font-weight: 800; color: var(--brand-2); padding-top: 3px; }
.numlist__item p{ color: var(--text-2); margin: 0; }

/* ---------- Quy trình 5 bước ---------- */
.steps{ display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 14px; counter-reset: step; }
.step{
  position: relative; padding: 26px 22px;
  border-radius: var(--r-lg); background: var(--surface);
  border: 1px solid var(--line);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}
.step:hover{ transform: translateY(-4px); border-color: var(--brand-line); }
.step__n{
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center;
  background: var(--gradient); color: #fff; font-weight: 800; font-size: .92rem;
  margin-bottom: 18px; box-shadow: var(--sh-brand);
}
.step h3{ font-size: 1.02rem; margin-bottom: 8px; }
.step p{ font-size: .88rem; color: var(--text-2); line-height: 1.65; }
/* Mũi tên nối giữa các bước (desktop) */
.step:not(:last-child)::after{
  content: ""; position: absolute; top: 44px; right: -10px;
  width: 8px; height: 8px; border-top: 2px solid var(--line-3); border-right: 2px solid var(--line-3);
  transform: rotate(45deg); z-index: 2;
}

/* ---------- Chiến dịch ---------- */
.case{
  display: grid; grid-template-columns: 64px 1fr 300px;
  gap: clamp(20px, 3vw, 44px); align-items: center;
  padding: clamp(28px, 3.4vw, 44px) clamp(20px, 2.4vw, 32px);
  border-radius: var(--r-xl);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.case + .case{ margin-top: 16px; }
.case:hover{ transform: translateY(-3px); border-color: var(--brand-line); background: var(--surface-2); }
.case__no{ font-size: .8rem; font-weight: 800; letter-spacing: .1em; color: var(--brand-2); }
.case__brand{ font-size: .76rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; color: var(--text-3); }
.case__title{ font-size: clamp(1.32rem, 2.1vw, 1.75rem); margin: 12px 0 12px; max-width: 700px; }
.case__text{ color: var(--text-2); font-size: .95rem; max-width: 680px; }
.case__metric{
  padding: 24px; border-radius: var(--r-lg);
  background: var(--brand-soft); border: 1px solid var(--brand-line);
  text-align: left;
}
.case__metric strong{
  display: block; font-size: clamp(1.8rem, 2.6vw, 2.3rem); font-weight: 800; letter-spacing: -.04em;
  background: var(--gradient); -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent; line-height: 1.15;
}
.case__metric span{ display: block; margin-top: 6px; font-size: .76rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--text-3); }
.case__metric p{ margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); font-size: .85rem; color: var(--text-2); }

/* Ô chiến dịch dạng tile (trang Giải pháp) */
.tiles{ display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.tile{
  position: relative; overflow: hidden;
  min-height: 250px; padding: 28px;
  border-radius: var(--r-xl);
  display: flex; flex-direction: column; justify-content: space-between;
  border: 1px solid var(--line); background: var(--surface);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.tile:hover{ transform: translateY(-5px); box-shadow: var(--sh-md); border-color: var(--brand-line); }
.tile__brand{ display: block; font-size: .76rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; color: var(--text-3); }
.tile__value{
  display: block;
  font-size: clamp(2.1rem, 3.2vw, 2.7rem); font-weight: 800; letter-spacing: -.045em; line-height: 1.1;
  background: var(--gradient); -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.tile__label{ display: block; color: var(--text-2); font-size: .9rem; margin-top: 6px; line-height: 1.5; }
.tile__go{
  position: absolute; top: 24px; right: 24px;
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--line-2); color: var(--text-3);
  transition: all var(--t) var(--ease);
}
.tile__go svg{ width: 15px; height: 15px; }
.tile:hover .tile__go{ background: var(--gradient); border-color: transparent; color: #fff; transform: rotate(45deg); }
.tile--accent{ background: var(--gradient); border-color: transparent; box-shadow: var(--sh-brand); }
.tile--accent .tile__brand{ color: rgba(255,255,255,.82); }
.tile--accent .tile__value{ background: none; color: #fff; -webkit-text-fill-color: #fff; }
.tile--accent .tile__label{ color: rgba(255,255,255,.88); }
.tile--accent .tile__go{ border-color: rgba(255,255,255,.4); color: #fff; }

/* ---------- Lưới logo đối tác ---------- */
.logos{ display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 12px; }
.logo-cell{
  position: relative; height: 112px;
  display: grid; place-items: center; padding: 20px;
  border-radius: var(--r-md);
  background: var(--surface); border: 1px solid var(--line);
  overflow: hidden;
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.logo-cell:hover{ transform: translateY(-3px); border-color: var(--brand-line); background: var(--surface-2); }
.logo-cell img{
  max-height: 56px; max-width: 100%; object-fit: contain;
  filter: grayscale(100%) brightness(1.7) contrast(.85); opacity: .72;
  transition: filter var(--t) var(--ease), opacity var(--t) var(--ease);
  position: relative; z-index: 1;
}
.logo-cell:hover img{ filter: none; opacity: 1; }
.logo-cell__fallback{
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: .9rem; font-weight: 800; letter-spacing: -.02em; color: var(--text-3);
  padding: 10px; text-align: center;
}

/* ---------- Blog ---------- */
.feature{
  display: grid; grid-template-columns: .95fr 1.05fr;
  gap: clamp(28px, 4vw, 56px); align-items: center;
  padding: clamp(24px, 3vw, 36px);
  border-radius: var(--r-xl); border: 1px solid var(--line); background: var(--surface);
}
.feature__art{
  position: relative; overflow: hidden;
  aspect-ratio: 4 / 3; border-radius: var(--r-lg);
  background: var(--gradient);
  display: flex; align-items: flex-end; padding: 26px;
}
.feature__art::before, .feature__art::after{
  content: ""; position: absolute; border: 1px solid rgba(255,255,255,.35); border-radius: 50%;
}
.feature__art::before{ width: 62%; aspect-ratio: 1; right: -12%; top: -16%; }
.feature__art::after{ width: 78%; aspect-ratio: 1; left: -22%; bottom: -34%; }
.feature__art span{
  position: relative; z-index: 1;
  font-size: .78rem; font-weight: 800; letter-spacing: .18em; color: #fff;
}
.feature__meta{ font-size: .76rem; font-weight: 800; letter-spacing: .12em; color: var(--brand-2); text-transform: uppercase; }
.feature h2{ font-size: clamp(1.5rem, 2.4vw, 2.1rem); margin: 16px 0 14px; }

.toolbar{
  display: flex; justify-content: space-between; align-items: center;
  gap: 18px; flex-wrap: wrap; margin-bottom: 32px;
}
.tabs{ display: flex; gap: 8px; flex-wrap: wrap; }
.tabs button{
  padding: 10px 18px; border-radius: var(--r-pill);
  border: 1px solid var(--line-2); background: var(--surface);
  font-size: .86rem; font-weight: 700; color: var(--text-2);
  transition: all var(--t) var(--ease);
}
.tabs button:hover{ color: #fff; border-color: var(--line-3); }
.tabs button.is-active{ background: var(--gradient); border-color: transparent; color: #fff; box-shadow: var(--sh-brand); }

.search{ position: relative; min-width: 260px; }
.search input{
  width: 100%; height: 46px; padding: 0 18px 0 44px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-2); background: var(--surface);
  color: #fff; font-size: .9rem;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.search input::placeholder{ color: var(--text-3); }
.search input:focus{ outline: none; border-color: var(--brand-line); background: var(--surface-2); }
.search svg{
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  width: 17px; height: 17px; color: var(--text-3); pointer-events: none;
}

.posts{ display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.post{
  display: flex; flex-direction: column;
  border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--line); background: var(--surface);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.post:hover{ transform: translateY(-5px); border-color: var(--brand-line); box-shadow: var(--sh-md); }
.post__cover{
  position: relative; aspect-ratio: 16 / 9; overflow: hidden;
  background: linear-gradient(135deg, rgba(255,90,47,.30), rgba(255,178,58,.10));
  display: grid; place-items: center;
}
.post__cover::after{
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 34px 34px;
}
.post__cover svg{ width: 40px; height: 40px; color: rgba(255,255,255,.55); position: relative; z-index: 1; }
.post__body{ padding: 24px; display: flex; flex-direction: column; flex: 1; }
.post__cat{
  align-self: flex-start;
  font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  color: var(--brand-2); background: var(--brand-soft); border: 1px solid var(--brand-line);
  padding: 5px 11px; border-radius: var(--r-pill); margin-bottom: 16px;
}
.post h3{ font-size: 1.1rem; line-height: 1.34; margin-bottom: 10px; }
.post p{ font-size: .9rem; color: var(--text-2); line-height: 1.65; }
.post__foot{
  margin-top: auto; padding-top: 18px;
  font-size: .78rem; color: var(--text-3); font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.post__foot svg{ width: 15px; height: 15px; color: var(--brand-2); }
.empty{
  grid-column: 1 / -1; text-align: center; padding: 60px 20px;
  color: var(--text-3); border: 1px dashed var(--line-2); border-radius: var(--r-xl);
}

/* ---------- Dải CTA gradient ---------- */
.cta{
  position: relative; overflow: hidden;
  border-radius: var(--r-xl);
  background: var(--gradient);
  padding: clamp(40px, 5vw, 68px);
  box-shadow: var(--sh-lg);
}
.cta::before{
  content: ""; position: absolute; width: 480px; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.28); right: -110px; top: -180px;
}
.cta::after{
  content: ""; position: absolute; width: 380px; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.22); left: -120px; bottom: -200px;
}
.cta__grid{
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 4vw, 56px); align-items: center;
}
.cta h2{ font-size: clamp(1.9rem, 3.4vw, 3rem); color: #fff; }
.cta p{ color: rgba(255,255,255,.9); margin-bottom: 26px; }

/* ---------- Ô liên hệ nhanh ---------- */
.contact-cards{ display: grid; gap: 12px; }
.contact-card{
  display: flex; align-items: center; gap: 16px;
  padding: 18px 20px; border-radius: var(--r-md);
  background: var(--surface); border: 1px solid var(--line);
  transition: all var(--t) var(--ease);
}
.contact-card:hover{ border-color: var(--brand-line); background: var(--surface-2); transform: translateX(4px); }
.contact-card__icon{
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  display: grid; place-items: center;
  background: var(--brand-soft); border: 1px solid var(--brand-line); color: var(--brand-2);
}
.contact-card__icon svg{ width: 19px; height: 19px; }
.contact-card small{ display: block; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }
.contact-card b{ font-size: .98rem; font-weight: 700; }

/* =========================================================
   09. FORMS
   ========================================================= */
.form{
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  padding: clamp(24px, 3vw, 34px);
  border-radius: var(--r-xl);
  background: var(--surface); border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.form--plain{ padding: 0; background: none; border: 0; backdrop-filter: none; }
.field{ display: flex; flex-direction: column; gap: 8px; }
.field--wide{ grid-column: 1 / -1; }
.field > span{ font-size: .8rem; font-weight: 700; color: var(--text-2); }
.field .req{ color: var(--brand); }

.form input,
.form textarea,
.form select{
  width: 100%;
  min-height: 50px; padding: 14px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-2);
  background: rgba(0,0,0,.24);
  color: #fff; font-size: .94rem;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.form textarea{ resize: vertical; min-height: 118px; line-height: 1.65; }
.form input::placeholder, .form textarea::placeholder{ color: var(--text-3); }
.form input:hover, .form textarea:hover{ border-color: var(--line-3); }
.form input:focus, .form textarea:focus{
  outline: none;
  border-color: var(--brand);
  background: rgba(0,0,0,.34);
  box-shadow: 0 0 0 4px var(--brand-soft);
}
.form input[aria-invalid="true"], .form textarea[aria-invalid="true"]{
  border-color: #FF4D4D; box-shadow: 0 0 0 4px rgba(255,77,77,.14);
}
.field__error{ font-size: .78rem; color: #FF7A7A; min-height: 0; }

.form button[type="submit"]{
  grid-column: 1 / -1;
  min-height: 52px; border-radius: var(--r-pill);
  background: var(--gradient); color: #fff;
  font-weight: 800; font-size: .95rem;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  box-shadow: var(--sh-brand);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), opacity var(--t) var(--ease);
}
.form button[type="submit"]:hover{ transform: translateY(-2px); box-shadow: 0 22px 54px -14px var(--brand-glow); }
.form button[type="submit"][disabled]{ opacity: .6; pointer-events: none; }
.form button svg{ width: 17px; height: 17px; }

/* Trạng thái gửi form */
.form__status{
  grid-column: 1 / -1;
  display: none; align-items: flex-start; gap: 10px;
  padding: 14px 16px; border-radius: var(--r-sm);
  font-size: .9rem; font-weight: 600; line-height: 1.55;
}
.form__status.is-visible{ display: flex; }
.form__status.is-ok{ background: rgba(46,204,113,.12); border: 1px solid rgba(46,204,113,.34); color: #7BE8AC; }
.form__status.is-err{ background: rgba(255,77,77,.10); border: 1px solid rgba(255,77,77,.32); color: #FF9E9E; }
.form__status.is-info{ background: var(--brand-soft); border: 1px solid var(--brand-line); color: var(--brand-ink); }
.form__status svg{ width: 18px; height: 18px; flex: none; margin-top: 1px; }

/* Form trên nền cam (trang Creator) */
.form--on-brand{
  background: rgba(10,8,7,.52);
  border-color: rgba(255,255,255,.22);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.form--on-brand input, .form--on-brand textarea{
  background: rgba(10,8,7,.55); border-color: rgba(255,255,255,.28); color: #fff;
}
.form--on-brand input::placeholder, .form--on-brand textarea::placeholder{ color: rgba(255,255,255,.55); }
.form--on-brand input:focus, .form--on-brand textarea:focus{
  border-color: #fff; box-shadow: 0 0 0 4px rgba(255,255,255,.18); background: rgba(0,0,0,.3);
}
.form--on-brand .field > span{ color: rgba(255,255,255,.88); }
.form--on-brand button[type="submit"]{ background: #120D0B; box-shadow: 0 16px 34px -14px rgba(0,0,0,.6); }
.form--on-brand button[type="submit"]:hover{ background: #000; }

/* Segmented control (tab liên hệ) */
.segmented{
  display: inline-flex; gap: 4px; padding: 5px;
  border-radius: var(--r-pill);
  background: var(--surface); border: 1px solid var(--line);
  margin-bottom: 36px; flex-wrap: wrap;
}
.segmented button{
  padding: 11px 22px; border-radius: var(--r-pill);
  font-size: .9rem; font-weight: 700; color: var(--text-2);
  transition: all var(--t) var(--ease);
}
.segmented button:hover{ color: #fff; }
.segmented button.is-active{ background: var(--gradient); color: #fff; box-shadow: var(--sh-brand); }

.pane{ display: none; }
.pane.is-active{ display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 4vw, 64px); align-items: start; }

/* =========================================================
   10. FOOTER
   ========================================================= */
.footer{
  position: relative;
  padding: clamp(56px, 6vw, 84px) 0 28px;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}
.footer::before{
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(700px 300px at 20% 0%, rgba(255,90,47,.09), transparent 66%);
}
.footer > *{ position: relative; z-index: 1; }
.footer__grid{
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: clamp(28px, 4vw, 52px);
}
.footer__about p{ color: var(--text-2); font-size: .92rem; margin: 18px 0 22px; max-width: 340px; }
.footer h4{
  font-size: .76rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 18px;
}
.footer__links{ display: grid; gap: 11px; }
.footer__links a{
  color: var(--text-2); font-size: .92rem; width: fit-content;
  transition: color var(--t) var(--ease), transform var(--t) var(--ease);
}
.footer__links a:hover{ color: var(--brand-2); transform: translateX(3px); }

.socials{ display: flex; gap: 10px; }
.social{
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  border: 1px solid var(--line-2); background: var(--surface);
  color: var(--text-2);
  transition: all var(--t) var(--ease);
}
.social svg{ width: 18px; height: 18px; }
.social:hover{ background: var(--gradient); border-color: transparent; color: #fff; transform: translateY(-3px); }

.footer__bottom{
  margin-top: clamp(36px, 4vw, 52px); padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: .84rem; color: var(--text-3);
}
.footer__bottom a:hover{ color: var(--brand-2); }

/* Nút lên đầu trang */
.to-top{
  position: fixed; right: 22px; bottom: 22px; z-index: 110;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--gradient); color: #fff;
  box-shadow: var(--sh-brand);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all var(--t) var(--ease);
}
.to-top.is-visible{ opacity: 1; visibility: visible; transform: none; }
.to-top:hover{ transform: translateY(-3px); }
.to-top svg{ width: 19px; height: 19px; }

/* =========================================================
   11. UTILITIES & MOTION
   ========================================================= */
.reveal{
  opacity: 0; transform: translateY(22px);
  transition: opacity .72s var(--ease-out), transform .72s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 70ms);
}
.reveal.is-in{ opacity: 1; transform: none; }

.mt-0{ margin-top: 0; }
.mt-2{ margin-top: 16px; }
.mt-3{ margin-top: 24px; }
.mt-4{ margin-top: 32px; }
.mt-5{ margin-top: 44px; }
.center{ text-align: center; }
.sr-only{
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.divider{ height: 1px; background: var(--line); border: 0; }

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal{ opacity: 1; transform: none; }
}

/* =========================================================
   12. RESPONSIVE
   ========================================================= */
@media (max-width: 1180px){
  .nav{ display: none; }
  .lang{ display: none; }
  .burger{ display: grid; }
  .grid--5, .steps{ grid-template-columns: repeat(3, minmax(0,1fr)); }
  .step::after{ display: none; }
  .logos{ grid-template-columns: repeat(4, minmax(0,1fr)); }
  .case{ grid-template-columns: 48px 1fr 260px; }
}

@media (max-width: 960px){
  :root{ --gutter: 20px; }
  .hero__grid, .split, .split--copy, .cta__grid, .feature, .pane.is-active{ grid-template-columns: 1fr; }
  .grid--4{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .posts, .tiles{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer__grid{ grid-template-columns: 1fr 1fr; }
  .case{ grid-template-columns: 44px 1fr; row-gap: 22px; }
  .case__metric{ grid-column: 2; }
  .feature__art{ aspect-ratio: 16/9; }
}

@media (max-width: 720px){
  :root{ --header-h: 66px; }
  .logo__img{ height: 28px; }
  .grid--3, .grid--5, .steps{ grid-template-columns: 1fr; }
  .grid--2{ grid-template-columns: 1fr; }
  .posts, .tiles{ grid-template-columns: 1fr; }
  .logos{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mosaic{ grid-template-columns: 1fr 1fr; }
  .form, .pane.is-active{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; }
  .hdr__actions .btn--primary{ display: none; }
  .timeline__item{ grid-template-columns: 1fr; gap: 12px; }
  .case{ grid-template-columns: 1fr; padding: 26px 20px; }
  .case__metric{ grid-column: auto; }
  .sec-head--split{ align-items: flex-start; }
  .toolbar{ align-items: stretch; }
  .search{ min-width: 0; width: 100%; }
  .footer__bottom{ justify-content: flex-start; }
  .to-top{ right: 16px; bottom: 16px; }
}

@media (max-width: 420px){
  .mosaic{ grid-template-columns: 1fr; }
  .segmented{ width: 100%; }
  .segmented button{ flex: 1; padding: 11px 12px; }
}

/* In ấn */
@media print{
  .hdr, .drawer, .to-top, .marquee, .hero__bg{ display: none !important; }
  body{ background: #fff; color: #000; }
}

/* =========================================================
   13. THÀNH PHẦN BỔ SUNG — V12.1 (theo tài liệu nội dung)
   ========================================================= */

/* ---------- Bảng số liệu vận hành (hero trang chủ) ----------
   Trình bày kiểu bảng điều khiển thay vì hàng đếm số rời rạc:
   mỗi dòng có nhãn rõ ràng nên người đọc biết con số nói về cái gì. */
.opanel{
  border-radius: var(--r-xl);
  border: 1px solid var(--line-2);
  background: linear-gradient(170deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--sh-lg);
  overflow: hidden;
}
.opanel__head{
  display: flex; align-items: center; gap: 10px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(0,0,0,.22);
  font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-2);
}
.opanel__head b{ margin-left: auto; color: var(--brand-2); font-weight: 800; text-transform: none; letter-spacing: 0; }
.opanel__head .dot{
  width: 8px; height: 8px; border-radius: 50%; background: var(--brand); flex: none;
  animation: pulse 2.4s var(--ease) infinite;
}
.opanel__row{
  display: flex; align-items: baseline; gap: 16px;
  padding: 17px 22px;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--t) var(--ease);
}
.opanel__row:hover{ background: var(--brand-soft); }
.opanel__k{ font-size: .92rem; color: var(--text-2); font-weight: 600; }
.opanel__v{
  margin-left: auto; text-align: right;
  font-size: clamp(1.5rem, 2.3vw, 1.95rem); font-weight: 800; letter-spacing: -.04em; line-height: 1.1;
  background: var(--gradient); -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  white-space: nowrap;
}
.opanel__foot{
  display: flex; align-items: center; gap: 10px;
  padding: 15px 22px; font-size: .85rem; color: var(--text-3); font-weight: 600;
}
.opanel__foot svg{ width: 16px; height: 16px; color: var(--brand-2); }

/* ---------- Dải chỉ số chất lượng ----------
   Đặt cạnh các con số quy mô để nói về CHẤT lượng, không chỉ số lượng. */
.proofbar{
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr));
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--surface); overflow: hidden;
}
.proofbar > div{
  padding: 22px 24px; border-right: 1px solid var(--line);
  transition: background-color var(--t) var(--ease);
}
.proofbar > div:last-child{ border-right: 0; }
.proofbar > div:hover{ background: var(--surface-2); }
.proofbar strong{
  display: block; font-size: clamp(1.35rem, 2vw, 1.7rem); font-weight: 800;
  letter-spacing: -.035em; color: var(--brand-2); line-height: 1.15;
}
.proofbar span{ display: block; margin-top: 7px; font-size: .86rem; color: var(--text-2); line-height: 1.5; }

/* ---------- Danh sách gạch đầu dòng trong card ---------- */
.card__list{ display: grid; gap: 11px; margin-top: 18px; }
.card__list li{
  display: flex; gap: 11px; align-items: flex-start;
  font-size: .9rem; line-height: 1.6; color: var(--text-2);
}
.card__list li::before{
  content: ""; width: 6px; height: 6px; border-radius: 50%; flex: none;
  background: var(--brand); margin-top: 8px;
}
.card--accent .card__list li{ color: rgba(255,255,255,.9); }
.card--accent .card__list li::before{ background: #fff; }

/* ---------- Nhãn nhóm (phân nhóm đối tác) ---------- */
.group-label{
  display: flex; align-items: center; gap: 11px;
  font-size: 1.05rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: 8px;
}
.group-label svg{ width: 19px; height: 19px; color: var(--brand-2); }
.group-note{ font-size: .9rem; color: var(--text-3); margin-bottom: 18px; }

/* ---------- Trụ cột lớn: Sứ mệnh / Tầm nhìn ---------- */
.pillar{
  position: relative; overflow: hidden;
  padding: clamp(28px, 3.4vw, 40px);
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}
.pillar:hover{ transform: translateY(-4px); border-color: var(--brand-line); }
.pillar__icon{
  width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center;
  background: var(--brand-soft); border: 1px solid var(--brand-line); color: var(--brand-2);
  margin-bottom: 22px;
}
.pillar__icon svg{ width: 25px; height: 25px; }
.pillar h3{ font-size: clamp(1.3rem, 1.9vw, 1.6rem); margin-bottom: 14px; }
.pillar p{ color: var(--text-2); line-height: 1.75; }
.pillar--accent{ background: var(--gradient); border-color: transparent; box-shadow: var(--sh-brand); }
.pillar--accent p{ color: rgba(255,255,255,.9); }
.pillar--accent .pillar__icon{ background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.3); color: #fff; }

/* ---------- Cam kết vận hành ---------- */
.commit{
  display: grid; grid-template-columns: 48px 1fr; gap: 20px;
  padding: 26px 24px;
  border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--surface);
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.commit:hover{ border-color: var(--brand-line); background: var(--surface-2); }
.commit__icon{
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  background: var(--gradient); color: #fff; box-shadow: var(--sh-brand);
}
.commit__icon svg{ width: 22px; height: 22px; }
.commit h3{ font-size: 1.08rem; margin-bottom: 9px; }
.commit p{ font-size: .93rem; color: var(--text-2); line-height: 1.7; }

/* ---------- Quy trình 4 bước ---------- */
.steps--4{ grid-template-columns: repeat(4, minmax(0,1fr)); }

/* ---------- Mô hình Online / Offline ---------- */
.duo{ display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.mode{
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  padding: clamp(26px, 3vw, 36px);
  border-radius: var(--r-xl); border: 1px solid var(--line); background: var(--surface);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.mode:hover{ transform: translateY(-4px); border-color: var(--brand-line); box-shadow: var(--sh-md); }
.mode__tag{
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 15px; border-radius: var(--r-pill);
  background: var(--brand-soft); border: 1px solid var(--brand-line);
  font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--brand-2);
  margin-bottom: 20px;
}
.mode__tag svg{ width: 15px; height: 15px; }
.mode h3{ font-size: clamp(1.35rem, 2vw, 1.7rem); margin-bottom: 16px; }
.mode .card__list{ margin-bottom: 26px; }
.mode .btn{ margin-top: auto; align-self: flex-start; }

/* ---------- Mô hình hợp tác (danh sách có mô tả) ---------- */
.models{ display: grid; gap: 0; border-top: 1px solid var(--line); }
.model{
  display: grid; grid-template-columns: 52px 1.05fr 1.35fr; gap: 20px; align-items: center;
  padding: 24px 14px 24px 8px;
  border-bottom: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: background-color var(--t) var(--ease), padding-left var(--t) var(--ease);
}
.model:hover{ background: var(--surface); padding-left: 16px; }
.model__n{ font-size: .78rem; font-weight: 800; color: var(--brand-2); }
.model h3{ font-size: 1.1rem; }
.model p{ font-size: .93rem; color: var(--text-2); margin: 0; }

/* ---------- Footer: dòng pháp lý ---------- */
.footer__legal{ font-size: .85rem; color: var(--text-3) !important; margin-top: -10px !important; }

/* ---------- Responsive cho các khối mới ---------- */
@media (max-width: 1180px){
  .steps--4{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 960px){
  .duo{ grid-template-columns: 1fr; }
  .model{ grid-template-columns: 44px 1fr; row-gap: 8px; }
  .model p{ grid-column: 2; }
}
@media (max-width: 720px){
  .steps--4{ grid-template-columns: 1fr; }
  .proofbar{ grid-template-columns: 1fr; }
  .proofbar > div{ border-right: 0; border-bottom: 1px solid var(--line); }
  .proofbar > div:last-child{ border-bottom: 0; }
  .opanel__row{ padding: 15px 18px; }
  .opanel__head, .opanel__foot{ padding-inline: 18px; }
  .commit{ grid-template-columns: 1fr; gap: 16px; }
  .model{ grid-template-columns: 1fr; }
  .model p{ grid-column: auto; }
}

/* =========================================================
   14. TỐI ƯU CHO ĐIỆN THOẠI — V12.3
   ========================================================= */

/* 14.1 An toàn tràn chữ
   Các cụm giữ nguyên bằng &nbsp; (Creator Commerce, 5 bước…) là một "từ"
   rất dài với trình duyệt. Trên máy 320px chúng tràn ra ngoài khung.
   Cho phép bẻ từ khi thật sự không còn chỗ. */
h1, h2, h3, h4, p, li, span, a, b, strong, small, em{
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Badge trong hero: cho phép xuống dòng thay vì đẩy ngang trang */
.badge{ max-width: 100%; flex-wrap: wrap; }

/* 14.2 Vùng chạm tối thiểu 44px (chuẩn iOS/Android)
   Link chữ nhỏ ở footer, breadcrumb, link mũi tên… trước đây chỉ cao 21–30px,
   rất dễ bấm trượt trên điện thoại. */
@media (max-width: 960px){
  .logo{ padding-block: 9px; }
  .link-arrow{ padding-block: 11px; }
  .footer__links a{ padding-block: 9px; }
  .crumb a{ padding-block: 10px; }
  .lang button{ min-height: 40px; }
}

/* 14.3 Không để iOS tự phóng to khi bấm vào ô nhập
   Safari phóng trang nếu cỡ chữ ô input dưới 16px. */
@media (max-width: 720px){
  .form input, .form textarea, .search input{ font-size: 16px; }
}

/* 14.4 Thanh thao tác cố định dưới màn hình điện thoại
   Trên desktop nút "Liên hệ" nằm ở header; ở điện thoại header chỉ còn
   nút menu, nên đưa hai hành động chính xuống đáy cho dễ bấm. */
.mbar{ display: none; }
@media (max-width: 720px){
  .mbar{
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 115;
    display: grid; grid-template-columns: 1fr 1fr; gap: 9px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
    background: rgba(10,8,7,.92);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--line);
  }
  .mbar .btn{ min-height: 46px; padding: 0 12px; font-size: .88rem; }
  body{ padding-bottom: 76px; }
  .to-top{ bottom: 88px; right: 14px; }
  .drawer{ padding-bottom: 96px; }
}

/* 14.5 Máy nhỏ (≤ 480px): bỏ lưới 2 cột ở những chỗ quá chật */
@media (max-width: 480px){
  .stats--2{ grid-template-columns: 1fr; }
  .cta .stats{ grid-template-columns: 1fr; }
  .opanel__row{ gap: 10px; }
  .opanel__v{ font-size: 1.45rem; }
}

/* 14.6 Máy rất nhỏ (≤ 360px): hạ cỡ tiêu đề để không bị bẻ từ giữa chừng */
@media (max-width: 360px){
  .h-display{ font-size: 2.05rem; }
  .h-1{ font-size: 1.9rem; }
  .h-2{ font-size: 1.62rem; }
  .case__title, .mode h3{ font-size: 1.22rem; }
  .tile__value, .case__metric strong{ font-size: 1.75rem; }
  :root{ --gutter: 16px; }
}

/* 14.7 Bỏ viền sáng xanh khi chạm trên Android */
a, button{ -webkit-tap-highlight-color: rgba(255,90,47,.18); }


/* ---------- Nút chuyển ngôn ngữ trong drawer (chỉ hiện trên mobile) ---------- */
.lang--drawer{ display: none; }
@media (max-width: 1180px){
  .lang--drawer{
    display: inline-flex; align-self: flex-start;
    margin-bottom: 4px;
  }
  .lang--drawer a, .lang--drawer span{ min-width: 52px; height: 40px; font-size: .85rem; }
}

/* =========================================================================
   15. HỆ THỐNG HÌNH ẢNH — V15
   Nguyên tắc: chưa có ảnh thật thì hiện ô giữ chỗ được thiết kế tử tế,
   không bao giờ để khung vỡ hay icon ảnh lỗi.
   ========================================================================= */

/* ---------- Khung ảnh cơ bản ---------- */
.photo{
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--bg-3);
  isolation: isolate;
}
.photo img{
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .7s var(--ease-out), filter var(--t) var(--ease);
}
.photo::after{
  /* Lớp phủ tối dần từ dưới lên, để chữ đè lên ảnh vẫn đọc được */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(8,6,5,.86) 0%, rgba(8,6,5,.32) 38%, transparent 68%);
  opacity: .9; transition: opacity var(--t) var(--ease);
}
.photo--plain::after{ display: none; }
.photo:hover img{ transform: scale(1.045); }

/* Tỉ lệ khung hình */
.photo--portrait{ aspect-ratio: 3 / 4; }
.photo--square  { aspect-ratio: 1 / 1; }
.photo--wide    { aspect-ratio: 16 / 9; }
.photo--tall    { aspect-ratio: 4 / 5; }

/* ---------- Ô giữ chỗ khi chưa có ảnh ----------
   Dùng nền gradient theo sắc thương hiệu + chữ cái đầu, trông như một
   thiết kế có chủ ý chứ không phải ảnh hỏng. */
.photo--empty{
  display: grid; place-items: center;
  background:
    radial-gradient(120% 90% at 22% 12%, rgba(255,90,47,.30), transparent 62%),
    radial-gradient(110% 80% at 80% 88%, rgba(255,178,58,.18), transparent 60%),
    linear-gradient(160deg, #191413, #0E0B0A);
}
.photo--empty::before{
  /* Lưới mảnh tạo kết cấu */
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 85% 85% at 50% 40%, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 85% 85% at 50% 40%, #000 20%, transparent 78%);
}
.photo__mono{
  position: relative; z-index: 1;
  font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -.04em;
  color: rgba(255,255,255,.26);
  user-select: none;
}
.photo--empty::after{ opacity: .55; }

/* Chữ đè trên ảnh */
.photo__cap{
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 18px 18px 16px;
}
.photo__cap b{ display: block; font-size: 1rem; font-weight: 700; letter-spacing: -.02em; }
.photo__cap span{
  display: block; margin-top: 3px;
  font-size: .78rem; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; color: var(--brand-2);
}

/* ---------- Khối Đội ngũ ---------- */
.team{ display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.member{
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease),
              box-shadow var(--t) var(--ease);
}
.member:hover{ transform: translateY(-5px); border-color: var(--brand-line); box-shadow: var(--sh-md); }
.member .photo{ border-radius: 0; }
.member__body{ padding: 16px 18px 20px; }
.member__name{ font-size: 1rem; font-weight: 700; letter-spacing: -.02em; }
.member__role{ margin-top: 4px; font-size: .84rem; color: var(--text-2); line-height: 1.5; }

/* ---------- Dải gương mặt Creator ---------- */
.faces{
  position: relative; overflow: hidden;
  --mask: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  -webkit-mask-image: var(--mask); mask-image: var(--mask);
}
.faces__track{
  display: flex; gap: 16px; width: max-content;
  animation: marquee 44s linear infinite;
}
.faces:hover .faces__track{ animation-play-state: paused; }
.face{
  width: 168px; flex: none;
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.face:hover{ border-color: var(--brand-line); transform: translateY(-4px); }
.face .photo{ border-radius: 0; }

/* ---------- Gallery studio ---------- */
.gallery{
  display: grid; gap: 14px;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 200px;
}
.gallery > *{ grid-column: span 2; }
.gallery > *:nth-child(1){ grid-column: span 4; grid-row: span 2; }
.gallery > *:nth-child(2){ grid-column: span 2; }
.gallery > *:nth-child(3){ grid-column: span 2; }
.gallery > *:nth-child(4){ grid-column: span 3; }
.gallery > *:nth-child(5){ grid-column: span 3; }
.gallery .photo{ height: 100%; aspect-ratio: auto; }

/* ---------- Ảnh bìa cho chiến dịch ---------- */
.case--cover{ grid-template-columns: 280px 1fr 300px; }
.case__cover{ align-self: stretch; }
.case__cover .photo{ height: 100%; min-height: 190px; aspect-ratio: auto; }

/* ---------- Hero có ảnh / video nền ---------- */
.hero__media{
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
.hero__media img, .hero__media video{
  width: 100%; height: 100%; object-fit: cover;
  opacity: .34;
}
.hero__media::after{
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(to right, rgba(10,8,7,.94) 0%, rgba(10,8,7,.72) 46%, rgba(10,8,7,.55) 100%),
    linear-gradient(to top, rgba(10,8,7,.95), transparent 45%);
}

/* Ảnh phụ cạnh hero (khi có ảnh mà không dùng làm nền) */
.hero__shot{ position: relative; }
.hero__shot .photo{ box-shadow: var(--sh-lg); }
.hero__shot .badge{
  position: absolute; left: 18px; bottom: 18px; z-index: 3;
  background: rgba(10,8,7,.78); backdrop-filter: blur(10px);
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px){
  .team{ grid-template-columns: repeat(3, minmax(0,1fr)); }
  .case--cover{ grid-template-columns: 200px 1fr; }
  .case--cover .case__metric{ grid-column: 2; }
}
@media (max-width: 960px){
  .team{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery{ grid-template-columns: repeat(4, 1fr); grid-auto-rows: 170px; }
  .gallery > *:nth-child(1){ grid-column: span 4; grid-row: span 1; }
  .gallery > *{ grid-column: span 2; }
  .case--cover{ grid-template-columns: 1fr; }
  .case--cover .case__metric{ grid-column: auto; }
  .case__cover .photo{ aspect-ratio: 16/9; min-height: 0; }
}
@media (max-width: 560px){
  .team{ grid-template-columns: 1fr 1fr; gap: 12px; }
  .member__body{ padding: 13px 14px 16px; }
  .member__name{ font-size: .92rem; }
  .member__role{ font-size: .78rem; }
  .gallery{ grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; }
  .gallery > *, .gallery > *:nth-child(1){ grid-column: span 2; }
  .face{ width: 132px; }
}

/* Icon người trong ô giữ chỗ, dùng khi chưa có tên thật */
.photo__ico{
  position: relative; z-index: 1;
  width: clamp(38px, 22%, 62px); height: auto;
  color: rgba(255,255,255,.22);
}

/* =========================================================================
   16. CHIỀU SÂU & ĐỘNG — V15
   Lớp kết cấu, ánh sáng nền, khung phiên live và các tinh chỉnh chuyển động.
   Tất cả đều nhẹ: không ảnh nền, không thư viện ngoài.
   ========================================================================= */

/* ---------- 16.1 Lớp hạt mịn phủ toàn trang (tạo chất, chống bệt màu) ---------- */
body::after{
  content: ""; position: fixed; inset: 0; z-index: 9;
  pointer-events: none; opacity: .045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 16.2 Quầng sáng trôi chậm sau hero ---------- */
.aurora{ position: absolute; inset: -20% -10% auto; height: 120%; z-index: 0; pointer-events: none; }
.aurora span{
  position: absolute; display: block; border-radius: 50%;
  filter: blur(60px); opacity: .5;
}
.aurora span:nth-child(1){
  width: 46vw; height: 46vw; max-width: 720px; max-height: 720px; left: 46%; top: -12%;
  background: radial-gradient(circle, rgba(255,90,47,.42), rgba(255,90,47,0) 68%);
  animation: drift-a 26s var(--ease) infinite alternate;
}
.aurora span:nth-child(2){
  width: 34vw; height: 34vw; max-width: 520px; max-height: 520px; left: 2%; top: 34%;
  background: radial-gradient(circle, rgba(255,178,58,.24), rgba(255,178,58,0) 66%);
  animation: drift-b 34s var(--ease) infinite alternate;
}
@keyframes drift-a{ from{ transform: translate3d(0,0,0) scale(1); }
                    to  { transform: translate3d(-6%, 7%, 0) scale(1.12); } }
@keyframes drift-b{ from{ transform: translate3d(0,0,0) scale(1); }
                    to  { transform: translate3d(9%, -8%, 0) scale(1.08); } }

/* ---------- 16.3 Cột phải của hero: ảnh studio thật + bảng số liệu ----------
   Khối ảnh chỉ tồn tại khi đã upload ảnh/video trong /admin. Chưa có thì
   hero giữ nguyên bố cục gọn — không dựng màn hình giả để lấp chỗ trống. */
.hero__side{ display: grid; gap: 18px; align-content: center; }

.shot{
  position: relative; margin: 0; overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--bg-3);
  box-shadow: var(--sh-lg);
  isolation: isolate;
}
.shot__fill{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.shot::after{
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(8,6,5,.88), rgba(8,6,5,.06) 54%);
}
.shot__cap{
  position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 2;
  font-size: .82rem; font-weight: 600; line-height: 1.45; color: var(--text-2);
}

/* ---------- 16.4 Card: viền sáng chạy ở mép trên khi rê chuột ---------- */
.card, .tile, .member, .post{ position: relative; }
.card::after, .tile::after, .member::after{
  content: ""; position: absolute; left: 12%; right: 12%; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,138,61,.75), transparent);
  opacity: 0; transition: opacity var(--t) var(--ease);
  pointer-events: none;
}
.card:hover::after, .tile:hover::after, .member:hover::after{ opacity: 1; }

/* ---------- 16.5 Hiện dần so le trong lưới (chuyển động mềm hơn) ---------- */
.grid > .reveal:nth-child(2),  .tiles > .reveal:nth-child(2),
.team > .reveal:nth-child(2),  .steps > .reveal:nth-child(2){ transition-delay: .07s; }
.grid > .reveal:nth-child(3),  .tiles > .reveal:nth-child(3),
.team > .reveal:nth-child(3),  .steps > .reveal:nth-child(3){ transition-delay: .14s; }
.grid > .reveal:nth-child(4),  .tiles > .reveal:nth-child(4),
.team > .reveal:nth-child(4),  .steps > .reveal:nth-child(4){ transition-delay: .21s; }
.grid > .reveal:nth-child(5),  .team > .reveal:nth-child(5),
.steps > .reveal:nth-child(5){ transition-delay: .28s; }
.grid > .reveal:nth-child(n+6), .team > .reveal:nth-child(n+6){ transition-delay: .34s; }

/* ---------- 16.6 Tiêu đề nhóm: thêm vạch gradient nhỏ ---------- */
.eyebrow::before{
  content: ""; display: inline-block; vertical-align: middle;
  width: 18px; height: 2px; margin-right: 9px; border-radius: 2px;
  background: var(--gradient);
}

/* ---------- 16.7 Chữ ký lớn mờ ở chân trang ---------- */
.footer{ overflow: hidden; }
.footer__mark{
  position: absolute; left: 50%; bottom: -.36em; translate: -50% 0; z-index: 0;
  font-size: clamp(4.5rem, 15vw, 13rem); font-weight: 800; letter-spacing: -.05em;
  line-height: 1.02; white-space: nowrap; pointer-events: none; user-select: none;
  background: linear-gradient(to top, rgba(255,255,255,0) 26%, rgba(255,255,255,.035));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.footer > .container{ position: relative; z-index: 1; }

/* ---------- 16.8 Khối nền có quầng sáng nhẹ ---------- */
.section--panel{ position: relative; overflow: hidden; }
.section--panel::after{
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  width: 60%; height: 150%; right: -14%; top: -34%;
  background: radial-gradient(circle at 60% 40%, rgba(255,90,47,.10), transparent 62%);
}
.section--panel > *{ position: relative; z-index: 1; }

/* ---------- 16.9 Responsive ---------- */
@media (max-width: 980px){
  .hero__side{ gap: 16px; }
}
@media (max-width: 560px){
  .shot{ aspect-ratio: 4 / 3; }
  .shot__cap{ font-size: .78rem; }
  .aurora span{ filter: blur(46px); opacity: .42; }
}

/* ---------- 16.10 Tôn trọng chế độ giảm chuyển động ---------- */
@media (prefers-reduced-motion: reduce){
  .aurora span, .faces__track, .marquee__track{ animation: none !important; }
}

/* Khi in: bỏ các lớp trang trí */
@media print{
  body::after, .aurora, .footer__mark{ display: none !important; }
}

/* ---------- 16.11 Ô giữ chỗ: xoay nhẹ hướng ánh sáng để bức tường ảnh
   không bị lặp y hệt nhau khi chưa có ảnh thật ---------- */
.team > *:nth-child(3n+2) .photo--empty,
.faces__track > *:nth-child(3n+2) .photo--empty,
.gallery > *:nth-child(3n+2).photo--empty{
  background:
    radial-gradient(118% 88% at 78% 16%, rgba(255,90,47,.26), transparent 62%),
    radial-gradient(104% 78% at 18% 90%, rgba(255,178,58,.20), transparent 60%),
    linear-gradient(200deg, #191413, #0E0B0A);
}
.team > *:nth-child(3n+3) .photo--empty,
.faces__track > *:nth-child(3n+3) .photo--empty,
.gallery > *:nth-child(3n+3).photo--empty{
  background:
    radial-gradient(112% 84% at 50% 6%, rgba(255,138,61,.24), transparent 64%),
    radial-gradient(100% 76% at 88% 96%, rgba(255,90,47,.16), transparent 62%),
    linear-gradient(140deg, #1A1414, #0D0A09);
}