/* ==========================================================================
   Trường Thịnh Telecom — Design system v2 (Enterprise hiện đại)
   1. Tokens · 2. Base · 3. Layout · 4. Buttons · 5. Icons
   6. Header / Nav / Drawer · 7. Hero · 8. Sections · 9. Inner pages
   10. Forms · 11. Footer / Dock · 12. Motion · 13. Responsive
   ========================================================================== */

/* 1. TOKENS ================================================================ */
:root{
  /* Brand */
  --red:#e01f26;
  --red-600:#c2151c;
  --red-050:#fff2f1;
  --red-ink:#c4141b;   /* đỏ đậm hơn, chỉ dùng cho CHỮ nhỏ để đạt 4.5:1 */
  --orange:#f36c21;
  --yellow:#ffc20e;
  --grad-brand:linear-gradient(115deg,#e01f26 0%,#f05a1e 55%,#f98c13 100%);

  /* Neutrals */
  --ink-900:#0c0f15;
  --ink-800:#12161e;
  --ink-700:#1b2029;
  --ink-600:#2a303c;
  --text:#11151c;
  --text-2:#3d4553;
  --muted:#5c6575;
  --muted-2:#667083; /* ≥4.5:1 trên nền trắng — dùng được cho chữ nhỏ */

  /* Surfaces */
  --bg:#ffffff;
  --surface-1:#ffffff;
  --surface-2:#f6f7f9;
  --surface-3:#eef1f5;
  --line:#e4e7ee;
  --line-2:#d3d9e3;
  --line-dark:rgba(255,255,255,.12);

  /* Elevation */
  --sh-xs:0 1px 2px rgba(14,18,26,.06);
  --sh-sm:0 4px 14px rgba(14,18,26,.07);
  --sh-md:0 14px 34px rgba(14,18,26,.09);
  --sh-lg:0 30px 70px rgba(14,18,26,.14);
  --sh-red:0 12px 28px rgba(224,31,38,.28);

  /* Shape & rhythm */
  --r-xs:8px; --r-sm:12px; --r-md:16px; --r-lg:22px; --r-xl:28px; --r-pill:999px;
  --shell:1220px;
  --gutter:24px;
  --header-h:78px;

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

/* 2. BASE ================================================================== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px);-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Be Vietnam Pro",system-ui,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.7;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.025em;line-height:1.14;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;border-radius:4px}
::selection{background:var(--red);color:#fff}

.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink-900);color:#fff;padding:12px 18px;border-radius:0 0 var(--r-xs) 0;font-weight:700}
.skip-link:focus{left:0}
.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}

/* 3. LAYOUT ================================================================ */
.shell{width:min(var(--shell),100% - (var(--gutter) * 2));margin-inline:auto}
.section{padding:clamp(60px,7vw,104px) 0}
.section-tight{padding:clamp(48px,5vw,72px) 0}
.section-soft{background:var(--surface-2)}
.section-line{border-top:1px solid var(--line)}
.section-dark{background:var(--ink-900);color:#fff}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--red-ink);
}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.eyebrow-light{color:var(--yellow)}
.eyebrow-muted{color:var(--muted-2)}

.h-xl{font-size:clamp(36px,4.9vw,62px)}
.h-lg{font-size:clamp(29px,3.5vw,46px)}
.h-md{font-size:clamp(24px,2.4vw,32px)}
.lede{font-size:clamp(16px,1.25vw,18.5px);color:var(--muted);line-height:1.75}

.section-head{max-width:720px;display:grid;gap:14px;margin-bottom:clamp(34px,4vw,54px)}
.section-head.is-split{
  max-width:none;grid-template-columns:minmax(0,1.05fr) minmax(0,.85fr);
  gap:18px 70px;align-items:end;
}
.section-head.is-split .lede{margin-bottom:4px}
.section-head.is-center{max-width:760px;margin-inline:auto;text-align:center;justify-items:center}

.stack-sm{display:grid;gap:10px}
.stack{display:grid;gap:16px}
.stack-lg{display:grid;gap:26px}

/* 4. BUTTONS & LINKS ======================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;border-radius:var(--r-pill);
  font-weight:700;font-size:15px;line-height:1.2;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-sm{padding:10px 17px;font-size:14px}
.btn-lg{padding:16px 28px;font-size:16px}
.btn-block{width:100%}

.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-red)}
.btn-primary:hover{box-shadow:0 16px 34px rgba(224,31,38,.34)}
.btn-ink{background:var(--ink-900);color:#fff;box-shadow:var(--sh-sm)}
.btn-ink:hover{background:var(--ink-700)}
.btn-white{background:#fff;color:var(--red);box-shadow:var(--sh-sm)}
.btn-white:hover{color:var(--red-600)}
.btn-outline{border:1.5px solid var(--line-2);color:var(--text);background:#fff}
.btn-outline:hover{border-color:var(--red);color:var(--red)}
.btn-ghost-light{border:1.5px solid var(--line-2);color:var(--text);background:#fff}
.btn-ghost-light:hover{border-color:var(--red);color:var(--red)}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15px;color:var(--red-ink);
}
.link-arrow .ic{transition:transform .25s var(--ease)}
.link-arrow:hover .ic{transform:translateX(4px)}
.link-arrow-light{color:#fff}
.link-quiet{color:var(--text);border-bottom:2px solid var(--yellow);font-weight:700;padding-bottom:1px}

/* 5. ICONS ================================================================= */
.ic{
  width:22px;height:22px;flex:none;
  fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
}
.ic-xs{width:15px;height:15px;stroke-width:1.9}
.ic-sm{width:18px;height:18px;stroke-width:1.8}
.ic-lg{width:28px;height:28px;stroke-width:1.6}

.icon-tile{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--red-050);color:var(--red);
  transition:background-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.icon-tile-dark{background:var(--surface-2);color:var(--red)}

/* 6. HEADER / NAV / DRAWER ================================================= */
.topbar{background:var(--ink-900);color:#c9cfdb;font-size:12.5px}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar p{letter-spacing:.02em}
.topbar-links{display:flex;align-items:center;gap:22px}
.topbar-links a{display:inline-flex;align-items:center;gap:7px;transition:color .2s var(--ease)}
.topbar-links a:hover{color:#fff}
.topbar-links .ic{color:var(--orange)}

.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 28px rgba(14,18,26,.09);background:rgba(255,255,255,.97)}
.header-inner{min-height:var(--header-h);display:flex;align-items:center;gap:26px}
/* logo.png là ảnh vuông 225×225 → khóa theo chiều cao, không theo chiều rộng */
.logo img{height:56px;width:56px}

.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 13px;border-radius:var(--r-xs);
  font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--red);background:var(--red-050)}
.nav-caret{transition:transform .25s var(--ease)}
.nav-trigger[aria-expanded="true"]{color:var(--red);background:var(--red-050)}
.nav-trigger[aria-expanded="true"] .nav-caret{transform:rotate(180deg)}

body[data-page="home"] [data-nav="home"],
body[data-page="services"] [data-nav="services"],
body[data-page="khu-vuc"] [data-nav="khu-vuc"],
body[data-page="du-an"] [data-nav="du-an"],
body[data-page="bang-gia"] [data-nav="bang-gia"],
body[data-page="blog"] [data-nav="blog"],
body[data-page="gioi-thieu"] [data-nav="gioi-thieu"]{color:var(--red)}

.mega{
  position:absolute;top:calc(100% + 14px);left:50%;translate:-50% 0;
  width:min(720px,88vw);padding:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-lg);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.nav-item:hover .mega,
.nav-item:focus-within .mega,
.mega.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega::before{content:"";position:absolute;inset:-14px 0 auto;height:14px}
.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}
.mega-grid a{
  display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;
  column-gap:13px;align-items:center;padding:12px;border-radius:var(--r-sm);
  transition:background-color .2s var(--ease);
}
.mega-grid a:hover{background:var(--surface-2)}
.mega-ic{
  grid-row:1 / span 2;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:var(--red-050);color:var(--red);
  transition:background .25s var(--ease),color .25s var(--ease);
}
.mega-grid a:hover .mega-ic{background:var(--grad-brand);color:#fff}
.mega-grid b{font-size:14.5px;font-weight:700}
.mega-grid small{font-size:12.5px;color:var(--muted);line-height:1.45}
.mega-foot{
  margin-top:14px;padding:14px 12px 4px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.mega-foot span{font-size:13px;color:var(--muted)}

.header-actions{display:flex;align-items:center;gap:14px}
.hotline{display:inline-flex;align-items:center;gap:10px}
.hotline-ic{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--red-050);color:var(--red)}
.hotline-txt{display:grid;line-height:1.25}
.hotline-txt small{font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2)}
.hotline-txt b{font-size:16px;font-weight:800;color:var(--red)}
.burger{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);place-items:center;color:var(--text)}

.drawer-backdrop{position:fixed;inset:0;z-index:80;background:rgba(10,13,18,.55);backdrop-filter:blur(2px);opacity:0;transition:opacity .25s var(--ease)}
.drawer-backdrop.is-open{opacity:1}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;width:min(360px,88vw);
  background:#fff;box-shadow:-20px 0 60px rgba(10,13,18,.22);
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s var(--ease);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-head img{width:50px;height:50px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);display:grid;place-items:center}
.drawer-nav{flex:1;overflow-y:auto;padding:12px 14px}
.drawer-nav > a,.drawer-group > summary{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 12px;border-radius:var(--r-sm);font-weight:600;font-size:15.5px;
}
.drawer-nav > a:hover,.drawer-group > summary:hover{background:var(--surface-2);color:var(--red)}
.drawer-group > summary{list-style:none;cursor:pointer}
.drawer-group > summary::-webkit-details-marker{display:none}
.drawer-group[open] > summary{color:var(--red)}
.drawer-group[open] > summary .ic{transform:rotate(180deg)}
.drawer-group > summary .ic{transition:transform .25s var(--ease)}
.drawer-group a{display:flex;align-items:center;gap:11px;padding:11px 12px 11px 16px;font-size:14.5px;color:var(--muted);border-left:2px solid var(--line);margin-left:12px}
.drawer-group a:hover{color:var(--red);border-color:var(--red)}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--line);display:grid;gap:10px}
.drawer-foot p{font-size:12.5px;color:var(--muted);text-align:center;margin-top:4px}

/* Breadcrumbs */
.crumbs{border-bottom:1px solid var(--line);background:var(--surface-2)}
.crumbs-inner{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:12px 0;font-size:12.5px;color:var(--muted)}
.crumbs-inner a:hover{color:var(--red)}
.crumbs-inner .sep{color:var(--muted-2)}
.crumbs-inner [aria-current]{color:var(--text);font-weight:600}
.crumbs-dark{background:transparent;border:0}
.crumbs-dark .crumbs-inner{color:var(--muted)}
.crumbs-dark .crumbs-inner [aria-current]{color:var(--text)}

/* 7. HERO ================================================================== */
.hero{
  position:relative;overflow:hidden;color:var(--text);
  background:linear-gradient(168deg,#fff 0%,#fffaf6 46%,#fff2e9 100%);
  border-bottom:1px solid var(--line);
  padding:clamp(56px,6vw,86px) 0 clamp(62px,7vw,96px);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 460px at 84% 16%,rgba(243,108,33,.16),transparent 62%),
    radial-gradient(620px 420px at 98% 76%,rgba(224,31,38,.11),transparent 64%),
    radial-gradient(520px 340px at 4% 4%,rgba(255,194,14,.14),transparent 60%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.7;
  background-image:linear-gradient(rgba(17,21,28,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(17,21,28,.04) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 50% 40%,#000 40%,transparent 100%);
}
.hero > *{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:clamp(34px,4.5vw,66px);align-items:center}
.hero h1{color:var(--text);margin:18px 0 20px}
.hero-copy > p{color:var(--muted);font-size:clamp(16px,1.3vw,18.5px);max-width:58ch}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:32px}

.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-xs);
  font-size:12.5px;font-weight:600;color:var(--text-2);
}
.badge .ic{color:var(--red)}

.stat-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  margin-top:38px;padding-top:26px;border-top:1px solid var(--line);
}
.stat-row b{display:block;font-size:20px;font-weight:800;color:var(--text);letter-spacing:-.02em}
.stat-row span{font-size:12.5px;color:var(--muted);line-height:1.5}

/* Hero diagram */
.diagram{position:relative;display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:16px 26px;align-items:center}
.diagram-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.diagram-lines line{stroke:var(--line-2);stroke-width:1.2;stroke-dasharray:3 6;vector-effect:non-scaling-stroke}
.diagram-core{
  grid-column:2;grid-row:1 / span 3;justify-self:center;align-self:center;
  width:min(210px,100%);aspect-ratio:1;border-radius:50%;overflow:hidden;
  background:#fff;display:grid;place-items:center;gap:2px;padding:clamp(12px,1.8vw,24px);text-align:center;
  border:1px solid var(--line);
  box-shadow:0 22px 54px rgba(14,18,26,.12),0 0 0 9px rgba(224,31,38,.05);
  position:relative;z-index:2;
}
.diagram-core img{width:min(104px,58%);height:auto;aspect-ratio:1}
.diagram-core small{font-size:clamp(8px,.72vw,10px);font-weight:800;letter-spacing:.12em;color:var(--red-ink)}
.node{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:11px;padding:13px 15px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-sm);
  color:var(--text);font-size:13.5px;font-weight:700;line-height:1.3;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.node:hover{border-color:transparent;box-shadow:var(--sh-md);transform:translateY(-3px)}
.node .ic{color:var(--red);width:20px;height:20px}
.node:nth-of-type(1){grid-column:1;grid-row:1}
.node:nth-of-type(2){grid-column:3;grid-row:1}
.node:nth-of-type(3){grid-column:1;grid-row:2}
.node:nth-of-type(4){grid-column:3;grid-row:2}
.node:nth-of-type(5){grid-column:1;grid-row:3}
.node:nth-of-type(6){grid-column:3;grid-row:3}

/* Logos strip */
.logos{border-bottom:1px solid var(--line);background:#fff;padding:26px 0 18px}
.logos-inner{display:flex;align-items:center;gap:clamp(20px,3.4vw,46px);flex-wrap:wrap}
.logos-label{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);white-space:nowrap}
.logos-list{display:flex;align-items:center;gap:clamp(20px,3.6vw,50px);flex-wrap:wrap;flex:1}
.logos-list span{font-size:clamp(15px,1.5vw,19px);font-weight:800;letter-spacing:.04em;color:#5f6979;transition:color .25s var(--ease)}
.logos-list span:hover{color:var(--text)}
.logos-note{font-size:12px;color:var(--muted-2);margin-top:12px}

/* 8. SECTION COMPONENTS ==================================================== */
/* Service cards */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc-card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  padding:30px 28px 26px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease),transform .28s var(--ease);
}
.svc-card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(180deg,rgba(224,31,38,.05),transparent 42%);
  opacity:0;transition:opacity .28s var(--ease);
}
.svc-card:hover{border-color:transparent;box-shadow:var(--sh-md);transform:translateY(-5px)}
.svc-card:hover::after{opacity:1}
.svc-card:hover .icon-tile{background:var(--grad-brand);color:#fff}
.svc-num{position:absolute;top:24px;right:26px;font-size:12px;font-weight:800;color:var(--red-ink);letter-spacing:.06em}
.svc-card h3{font-size:20px}
.svc-card p{color:var(--muted);font-size:14.5px;line-height:1.65}
.svc-card .link-arrow{margin-top:auto;padding-top:6px}

/* Process steps */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.steps::before{content:"";position:absolute;top:13px;left:0;right:0;height:2px;background:var(--line)}
.step{position:relative;padding:38px 20px 0 0}
.step::before{
  content:"";position:absolute;top:6px;left:0;width:16px;height:16px;border-radius:50%;
  background:#fff;border:4px solid var(--red);box-shadow:0 0 0 4px var(--surface-2);
}
.section-soft .step::before{box-shadow:0 0 0 4px var(--surface-2)}
.step b{display:block;font-size:12px;font-weight:800;color:var(--red-ink);letter-spacing:.1em;margin-bottom:6px}
.step h3{font-size:16.5px;line-height:1.35;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* Split grids */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,4.5vw,70px);align-items:center}
.split-start{align-items:start}
.split-wide-left{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr)}

/* Proof list */
.proof-list{display:grid;gap:12px}
.proof-item{
  display:grid;grid-template-columns:auto 1fr;column-gap:16px;align-items:start;
  padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.proof-item:hover{border-color:var(--line-2);box-shadow:var(--sh-sm)}
.proof-item .icon-tile{width:42px;height:42px;border-radius:11px;grid-row:1 / span 3}
.proof-item b{font-size:15px;letter-spacing:.01em}
.proof-item span{font-size:14px;color:var(--text-2)}
.proof-item em{font-style:normal;font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;margin-top:6px}
.proof-item em::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--yellow)}

/* Locality panel */
.panel-brand{background:var(--grad-brand);color:#fff;position:relative;overflow:hidden}
.panel-brand::after{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(90% 80% at 80% 20%,#000,transparent);
}
.panel-brand > *{position:relative;z-index:1}
.panel-brand h2,.panel-brand h3{color:#fff}
.panel-brand p{color:rgba(255,255,255,.88)}

.map-card{
  position:relative;overflow:hidden;background:#fff;color:var(--text);
  border-radius:var(--r-xl);padding:32px;min-height:330px;
  display:flex;flex-direction:column;justify-content:space-between;gap:24px;
  box-shadow:var(--sh-lg);
}
.map-card::before{
  content:"";position:absolute;inset:0;opacity:.85;
  background:
    repeating-linear-gradient(28deg,transparent 0 46px,var(--surface-3) 46px 48px),
    repeating-linear-gradient(148deg,transparent 0 62px,#fbe3dc 62px 64px);
  mask-image:linear-gradient(180deg,transparent,#000 24%,#000 70%,transparent);
}
.map-card > *{position:relative;z-index:1}
.map-addr{display:flex;align-items:flex-start;gap:13px}
.map-addr .icon-tile{width:44px;height:44px;border-radius:12px}
.map-addr strong{display:block;font-size:18px;font-weight:800;letter-spacing:-.01em}
.map-addr span{font-size:14px;color:var(--muted)}
.map-note{font-size:13px;color:var(--muted);background:rgba(255,255,255,.86);border-radius:var(--r-sm);padding:14px 16px;border:1px solid var(--line)}

/* Knowledge hub */
.hub-list{display:grid;gap:12px}
.hub-item{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;
  padding:22px 24px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}
.hub-item:hover{border-color:transparent;box-shadow:var(--sh-md);transform:translateX(4px)}
.hub-item small{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--red-ink);white-space:nowrap}
.hub-item b{font-size:15.5px;font-weight:700;line-height:1.45}
.hub-item .ic{color:var(--red)}

/* FAQ accordion */
.faq{display:grid;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.faq-item[open]{border-color:var(--line-2);box-shadow:var(--sh-sm)}
.faq-item > summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:19px 22px;font-size:16px;font-weight:700;line-height:1.45;
}
.faq-item > summary::-webkit-details-marker{display:none}
.faq-item > summary:hover{color:var(--red)}
.faq-mark{
  width:30px;height:30px;flex:none;border-radius:50%;display:grid;place-items:center;
  background:var(--surface-2);color:var(--red-ink);transition:transform .28s var(--ease),background-color .28s var(--ease),color .28s var(--ease);
}
.faq-item[open] .faq-mark{transform:rotate(45deg);background:var(--grad-brand);color:#fff}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.7;max-width:76ch}
.faq-two{grid-template-columns:repeat(2,1fr)}

/* 9. INNER PAGES =========================================================== */
.page-hero{
  position:relative;overflow:hidden;color:var(--text);
  background:linear-gradient(168deg,#fff 0%,#fffaf6 52%,#fff3eb 100%);
  border-bottom:1px solid var(--line);
  padding-bottom:clamp(44px,5vw,64px);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 420px at 88% 8%,rgba(243,108,33,.15),transparent 62%),
    radial-gradient(520px 360px at 98% 88%,rgba(224,31,38,.10),transparent 66%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.6;
  background-image:linear-gradient(rgba(17,21,28,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(17,21,28,.04) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(110% 90% at 40% 30%,#000 35%,transparent 100%);
}
.page-hero > *{position:relative;z-index:1}
.page-hero h1{color:var(--text);margin:16px 0 18px;font-size:clamp(31px,4.1vw,52px)}
.page-hero p{color:var(--muted);max-width:62ch;font-size:clamp(15.5px,1.2vw,18px)}
.page-hero-body{padding-top:clamp(26px,3vw,40px)}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(30px,4vw,60px);align-items:center}
.page-hero .hero-actions{margin-top:28px}
.page-hero-narrow{max-width:880px}

.intent-card{
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-md);
  border-radius:var(--r-lg);padding:26px 28px;display:grid;gap:18px;
}
.intent-row{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.intent-row small{display:block;font-size:10.5px;font-weight:800;letter-spacing:.12em;color:var(--red-ink);margin-bottom:5px}
.intent-row p{color:var(--muted);font-size:14px;line-height:1.6;max-width:none}
.intent-card hr{border:0;border-top:1px solid var(--line);margin:0}

/* Scope list */
.scope-list{list-style:none;display:grid;border-top:1px solid var(--line)}
.scope-list li{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;
  padding:19px 4px;border-bottom:1px solid var(--line);
  transition:padding-left .25s var(--ease),background-color .25s var(--ease);
}
.scope-list li:hover{padding-left:12px;background:linear-gradient(90deg,var(--red-050),transparent)}
.scope-list span{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--surface-2);color:var(--red-ink);font-size:12.5px;font-weight:800;
}
.scope-list b{font-size:16px;font-weight:700;line-height:1.45}

/* Info cards (3-up) */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-card{
  display:grid;gap:12px;align-content:start;
  padding:28px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.info-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px)}
.info-card h2,.info-card h3{font-size:21px}
.info-card p{color:var(--muted);font-size:14.5px;line-height:1.65}

/* Check list */
.check-list{list-style:none;display:grid;gap:14px}
.check-list li{display:grid;grid-template-columns:auto 1fr;gap:13px;align-items:start;font-size:15.5px;line-height:1.6}
.check-list .ic{color:#fff;background:var(--grad-brand);border-radius:50%;padding:5px;width:24px;height:24px;stroke-width:2.6;margin-top:3px}

/* Media placeholder */
.media-note{
  min-height:320px;border:1.5px dashed var(--line-2);border-radius:var(--r-lg);
  background:
    repeating-linear-gradient(135deg,var(--surface-2) 0 14px,var(--surface-3) 14px 28px);
  display:grid;place-items:center;text-align:center;padding:40px;gap:12px;align-content:center;
}
.media-note .icon-tile{background:#fff;color:var(--muted-2)}
.media-note b{font-size:13px;letter-spacing:.1em;color:var(--text-2)}
.media-note span{font-size:13.5px;color:var(--muted);max-width:44ch;line-height:1.6}

.related{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
.related > span{font-size:13px;font-weight:700;color:var(--muted)}

/* Projects */
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.project-card{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:box-shadow .25s var(--ease),transform .25s var(--ease)}
.project-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px)}
.project-media{
  aspect-ratio:16/10;display:grid;place-items:center;text-align:center;gap:10px;padding:26px;
  background:repeating-linear-gradient(135deg,var(--surface-2) 0 14px,var(--surface-3) 14px 28px);
  border-bottom:1px solid var(--line);color:var(--muted);
}
.project-media span{font-size:12px;font-weight:700;letter-spacing:.08em;line-height:1.6}
.project-body{padding:24px;display:grid;gap:9px;align-content:start;flex:1}
.project-body small{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--red-ink)}
.project-body h2{font-size:21px}
.project-body p{font-size:14.5px;color:var(--text-2)}
.project-body em{font-style:normal;font-size:12.5px;color:var(--muted);line-height:1.55;margin-top:4px}

/* Price factors */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.price-card{
  position:relative;padding:28px 24px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;
  display:grid;gap:11px;align-content:start;overflow:hidden;
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.price-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px)}
.price-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);opacity:0;transition:opacity .25s var(--ease)}
.price-card:hover::before{opacity:1}
.price-card .num{font-size:13px;font-weight:800;color:var(--red-ink);letter-spacing:.08em}
.price-card h2{font-size:19px}
.price-card p{font-size:14px;color:var(--muted);line-height:1.6}

.quote-flow{
  margin-top:26px;padding:clamp(28px,3.6vw,44px);border-radius:var(--r-xl);
  background:var(--surface-2);border:1px solid var(--line);color:var(--text);
  display:grid;gap:24px;position:relative;overflow:hidden;
}
.quote-flow::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 90% 10%,rgba(243,108,33,.10),transparent 60%)}
.quote-flow > *{position:relative;z-index:1}
.quote-flow h2{color:var(--text);font-size:clamp(22px,2.4vw,30px)}
.quote-steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:qs}
.quote-steps li{counter-increment:qs;display:grid;gap:9px;padding-top:16px;border-top:2px solid var(--line-2);font-size:14.5px;color:var(--muted);line-height:1.55}
.quote-steps li::before{content:"0" counter(qs);font-size:12px;font-weight:800;color:var(--red);letter-spacing:.08em}

/* Topics (blog) */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.topic-card{
  display:grid;gap:14px;align-content:start;padding:28px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.topic-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px)}
.topic-card:hover .icon-tile{background:var(--grad-brand);color:#fff}
.topic-card small{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--red-ink)}
.topic-card h2{font-size:21px}
.topic-card ul{list-style:none;display:grid;gap:9px}
.topic-card li{display:grid;grid-template-columns:auto 1fr;gap:10px;font-size:14px;color:var(--muted);line-height:1.55}
.topic-card li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--orange);margin-top:9px}

/* About facts */
.facts{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.facts div{padding:22px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts div:nth-child(2n){border-right:0}
.facts div:last-child{border-bottom:0}
.facts small{display:block;font-size:10.5px;font-weight:800;letter-spacing:.1em;color:var(--red)}
.facts b{display:block;font-size:15px;margin-top:7px;line-height:1.45}
.pull-quote{
  margin:0;padding:26px 28px;border-radius:var(--r-lg);
  background:var(--red-050);border-left:4px solid var(--red);
  font-size:clamp(19px,2vw,25px);font-weight:800;color:var(--red-600);line-height:1.4;letter-spacing:-.02em;
}

/* Address card */
.address-card{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;
  padding:24px 26px;border-radius:var(--r-lg);
  background:var(--red-050);border:1px solid #f6d5d1;color:var(--text);
}
.address-card .icon-tile{background:#fff;color:var(--red)}
.address-card small{font-size:10.5px;font-weight:800;letter-spacing:.12em;color:var(--red-ink)}
.address-card b{display:block;font-size:17px;margin:6px 0 4px;line-height:1.4}
.address-card span{font-size:13.5px;color:var(--muted)}

/* Contact cards */
.contact-cards{display:grid;gap:12px}
.contact-card{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}
a.contact-card:hover{border-color:transparent;box-shadow:var(--sh-md);transform:translateY(-3px)}
a.contact-card:hover .icon-tile{background:var(--grad-brand);color:#fff}
.contact-card small{display:block;font-size:10.5px;font-weight:800;letter-spacing:.1em;color:var(--muted-2)}
.contact-card b{display:block;font-size:16px;margin-top:3px;word-break:break-word}

/* 10. FORMS ================================================================ */
.form{
  padding:clamp(26px,3vw,36px);border:1px solid var(--line);border-radius:var(--r-xl);
  background:var(--surface-2);display:grid;gap:4px;
}
.form-head{display:grid;gap:10px;margin-bottom:18px}
.form-head h2{font-size:24px}
.field{display:grid;gap:7px;margin-bottom:16px}
.field > span{font-size:13.5px;font-weight:700}
.field > span .req{color:var(--red-ink);font-style:normal}
/* 16px là bắt buộc: dưới ngưỡng này Safari iOS tự phóng to trang khi focus */
input,select,textarea{
  width:100%;font:inherit;font-size:16px;color:var(--text);
  background:#fff;border:1.5px solid var(--line-2);border-radius:var(--r-sm);padding:12px 14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
textarea{resize:vertical;min-height:112px}
input:hover,select:hover,textarea:hover{border-color:var(--muted-2)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 4px rgba(224,31,38,.12)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23616b7c' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;background-size:17px;padding-right:40px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.field-error{font-size:12.5px;font-weight:600;font-style:normal;color:var(--red);display:none}
.field.is-invalid input,.field.is-invalid select,.field.is-invalid textarea{border-color:var(--red)}
.field.is-invalid .field-error{display:block}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:14px}
.form-status{
  display:none;gap:11px;align-items:flex-start;
  margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);
  background:#eefaf1;border:1px solid #bfe6cb;color:#17603a;font-size:14px;line-height:1.55;
}
.form-status.is-visible{display:grid;grid-template-columns:auto 1fr}
.form-status .ic{color:#1d9a57;margin-top:3px}
.form-status a{font-weight:700;text-decoration:underline;text-underline-offset:2px}
.form-status.is-error{background:#fff2f1;border-color:#f3c4c1;color:#96151b}
.form-status.is-error .ic{color:var(--red)}
.btn[aria-busy="true"]{opacity:.72;cursor:progress;transform:none}
.btn:disabled{pointer-events:none}

/* 11. CTA BAND / FOOTER / DOCK ============================================= */
.cta-band{background:var(--yellow);padding:clamp(40px,4.4vw,60px) 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.18;
  background-image:linear-gradient(rgba(0,0,0,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.35) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(80% 90% at 90% 50%,#000,transparent);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:34px;align-items:center}
.cta-copy{display:grid;gap:12px}
.cta-copy .eyebrow{color:#6b4a00}
.cta-copy h2{font-size:clamp(25px,3vw,40px);max-width:20ch}
.cta-copy p{color:#5c4405;max-width:58ch;font-size:15.5px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

.site-footer{background:var(--ink-900);color:#a9b2c0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:clamp(28px,3.4vw,56px);padding:clamp(48px,5vw,72px) 0 clamp(34px,4vw,50px)}
.footer-brand img{background:#fff;padding:9px;border-radius:var(--r-sm);width:86px;height:86px}
.footer-slogan{margin-top:16px;color:#e6e9ef;font-weight:600;font-size:15px}
.footer-legal{margin-top:10px;font-size:12.5px;color:#949dab;line-height:1.7}
.footer-social{display:flex;gap:9px;margin-top:18px}
.footer-social a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-dark);transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease)}
.footer-social a:hover{background:var(--red);border-color:var(--red);color:#fff}
.footer-col h3{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer-col > a{display:block;font-size:14px;color:#a9b2c0;padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col > a:hover{color:#fff;transform:translateX(3px)}
.footer-contact > a,.footer-contact > p{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;padding:9px 0;font-size:14px;color:#a9b2c0}
.footer-contact .ic{color:var(--orange);margin-top:4px}
.footer-contact small{display:block;font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#8a93a3;margin-bottom:2px}
.footer-contact > a:hover{color:#fff;transform:none}
.footer-contact > a span{display:block}
.footer-bottom{border-top:1px solid var(--line-dark)}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:18px 0;font-size:12px;color:#8a93a3}

.to-top{
  position:fixed;right:22px;bottom:26px;z-index:55;
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:var(--ink-900);color:#fff;box-shadow:var(--sh-md);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s,background-color .22s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--red)}

.dock{display:none}

/* 12. MOTION =============================================================== */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  [data-reveal]{opacity:1;transform:none}
}

/* 13. RESPONSIVE =========================================================== */
@media (max-width:1180px){
  .footer-top{grid-template-columns:1.4fr 1fr 1.3fr;}
  .footer-col:nth-of-type(3){grid-column:span 1}
}
@media (max-width:1080px){
  .primary-nav{display:none}
  .burger{display:grid}
  .hotline{display:none}
  .header-inner{justify-content:space-between}
  .hero-grid,.page-hero-grid,.split,.split-wide-left{grid-template-columns:minmax(0,1fr)}
  .hero{padding-bottom:clamp(48px,6vw,70px)}
  .section-head.is-split{grid-template-columns:1fr;gap:14px;align-items:start}
  .svc-grid,.cards-3,.project-grid,.topic-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);row-gap:30px}
  .steps::before{display:none}
  .step{border-top:2px solid var(--line);padding-top:34px;padding-right:18px}
  .quote-steps{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .faq-two{grid-template-columns:1fr}
  .stat-row{gap:16px}
}
/* Sơ đồ hero chuyển sang dạng chip 2 cột khi cột giữa quá hẹp */
@media (max-width:620px){
  .diagram{grid-template-columns:repeat(2,1fr);gap:12px}
  .diagram-lines{display:none}
  .diagram-core{grid-column:1 / span 2;grid-row:1;width:auto;aspect-ratio:auto;border-radius:var(--r-lg);grid-auto-flow:column;place-items:center;justify-content:center;gap:14px;padding:18px}
  .diagram-core img{width:88px}
  .diagram-core small{font-size:10px}
  .node:nth-of-type(n){grid-column:auto;grid-row:auto}
}
@media (max-width:760px){
  :root{--gutter:18px}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}

  /* --- Vùng chạm tối thiểu 44px (tiêu chí mobile-friendly của Google) ----- */
  .burger,.drawer-close,.to-top{width:44px;height:44px}
  .btn-sm{min-height:44px}
  .topbar-inner{min-height:44px}
  .topbar-links a{min-height:44px;align-items:center}
  .crumbs-inner a,.crumbs-inner span{min-height:44px;display:inline-flex;align-items:center}
  .link-arrow{min-height:44px}
  .footer-col > a{min-height:44px;display:flex;align-items:center;padding:4px 0}
  .footer-social a{width:44px;height:44px}
  .drawer-group a{padding-block:13px}

  /* --- Nhãn chữ hoa cỡ nhỏ: nâng lên ngưỡng đọc được -------------------- */
  .diagram-core small{font-size:11px;letter-spacing:.08em}
  .topic-card small,.project-body small,.svc-num{font-size:12px}
  .address-card small,.contact-card small,.facts small,
  .intent-row small,.footer-contact small{font-size:11.5px}
  .topbar-links a:nth-child(3){display:none}
  .topbar p{display:none}
  .topbar-inner{justify-content:center}
  .svc-grid,.cards-3,.project-grid,.topic-grid,.price-grid,.steps,.facts{grid-template-columns:1fr}
  .facts div{border-right:0}
  .step{padding-right:0}
  .quote-steps{grid-template-columns:1fr;gap:14px}
  .hub-item{grid-template-columns:1fr;gap:9px}
  .hub-item .ic{display:none}
  .proof-item{grid-template-columns:1fr}
  .proof-item .icon-tile{grid-row:auto;margin-bottom:10px}
  .mega{display:none}
  .stat-row{grid-template-columns:1fr;gap:12px;text-align:left}
  .stat-row > div{display:flex;align-items:baseline;gap:10px}
  .stat-row b{font-size:17px}
  .logos-inner{gap:14px}
  .logos-list{gap:18px}
  .map-card{padding:24px;min-height:0}
  .to-top{bottom:calc(84px + env(safe-area-inset-bottom,0px));right:16px}
  .footer-top{grid-template-columns:1fr;gap:34px}
  .footer-bottom-inner{flex-direction:column;gap:8px}
  .btn{width:auto}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}

  .dock{
    display:grid;grid-template-columns:repeat(3,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
    border-top:1px solid var(--line);box-shadow:0 -6px 22px rgba(14,18,26,.08);
    padding-bottom:env(safe-area-inset-bottom,0px); /* chừa thanh gesture iPhone */
  }
  .dock a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    min-height:56px;padding:11px 4px;font-size:12px;font-weight:700;color:var(--text-2);
  }
  .dock a .ic{color:var(--red)}
  .dock .dock-primary{background:var(--grad-brand);color:#fff}
  .dock .dock-primary .ic{color:#fff}
}
@media (max-width:420px){
  .logo img{height:46px;width:46px}
  .diagram-core img{width:76px}
  .diagram{grid-template-columns:1fr}
  .diagram-core{grid-column:1}
}

/* Nhãn nhỏ trong khối báo giá nền sáng: vàng không đọc được -> dùng đỏ */
.quote-flow .eyebrow-light{color:var(--red-ink)}

/* === LOGO NGANG (wide logo) === */
.brand img,.custom-logo-link img{width:auto!important;height:46px!important;max-width:212px;object-fit:contain;aspect-ratio:auto!important}
.drawer-head img{width:auto!important;height:38px!important;max-width:172px;object-fit:contain;aspect-ratio:auto!important}
.diagram-core img{width:min(152px,76%)!important;height:auto!important;aspect-ratio:auto!important;object-fit:contain}
.footer-brand img{width:120px!important;height:58px!important;max-width:100%;padding:8px 10px;object-fit:contain;aspect-ratio:auto!important;border-radius:10px}
@media(max-width:760px){.brand img,.custom-logo-link img{height:40px!important;max-width:176px}}