/* SMUFT Agency — palette & type follow the 2024 Company Profile:
   white/light-grey pages, black display type, cyan accent, navy sub-headings. */
:root {
  --ink: #0e0f12;
  --text: #3d434d;
  --muted: #6b7280;
  --navy: #1a2d57;
  --cyan: #36d1d6;
  --cyan-2: #12c7de;
  --cyan-ink: #0b9fb4;          /* cyan dark enough to read as text on white */
  --star: #ffc93c;
  --bg: #ffffff;
  --bg-soft: #f4f5f7;
  --line: #e4e7eb;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px -24px rgba(14, 15, 18, 0.28);
  --font: "Be Vietnam Pro", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
strong { color: var(--ink); font-weight: 600; }
h1, h2, h3 { color: var(--ink); line-height: 1.2; }
svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 104px 0; }
.accent { color: var(--cyan-ink); }

.skip-link { position: absolute; left: -999px; top: 8px; z-index: 200; background: var(--ink); color: #fff; padding: 8px 16px; border-radius: 8px; }
.skip-link:focus { left: 16px; }
:focus-visible { outline: 2px solid var(--cyan-2); outline-offset: 3px; border-radius: 4px; }

/* ---------- Section heading: the profile's gradient bar + kicker + big uppercase title ---------- */
.section-head { position: relative; padding-left: 26px; margin-bottom: 52px; }
.section-head::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 6px; width: 5px; border-radius: 3px;
  background: linear-gradient(180deg, #dfe3e8 0%, #8b95a3 45%, #0e0f12 100%);
}
.kicker { text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-size: 1.05rem; font-weight: 400; margin-bottom: 6px; }
.section-head h2 {
  font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 500; text-transform: uppercase;
  letter-spacing: -0.035em; line-height: 1.08;
}
.section-head h2 .accent, .section-head h2.accent { font-weight: 700; }
.section-head.on-dark::before { background: linear-gradient(180deg, #ffffff 0%, #8b95a3 50%, #36d1d6 100%); }
.section-head.on-dark .kicker { color: #a3acb9; }
.section-head.on-dark h2 { color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px; border: 1.5px solid transparent;
  font: 600 0.95rem/1.2 var(--font); cursor: pointer; white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { box-shadow: 0 14px 30px -12px rgba(14, 15, 18, .55); }
.btn-outline { border-color: #c9ced6; color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--ink); }
.btn-accent { background: linear-gradient(100deg, var(--cyan-2), var(--cyan)); color: var(--ink); }
.btn-accent:hover { box-shadow: 0 14px 30px -12px rgba(18, 199, 222, .7); }
.btn-light { background: #fff; color: var(--ink); }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-ico { width: 18px; height: 18px; flex: none; stroke-width: 2; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--nav-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .25s ease, box-shadow .25s ease;
}
.nav.scrolled { border-color: var(--line); box-shadow: 0 6px 24px -18px rgba(14, 15, 18, .35); }
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav-logo img { height: 52px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a:not(.btn) { font-size: 0.95rem; font-weight: 500; color: var(--text); position: relative; }
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 2px;
  background: var(--cyan); transform: scaleX(0); transition: transform .25s ease;
}
.nav-links a:not(.btn):hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a:not(.btn):hover, .nav-links a.active { color: var(--ink); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--nav-h) + 64px) 0 96px; background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; left: max(24px, calc((100vw - 1180px) / 2 + 24px)); top: var(--nav-h); bottom: 0;
  width: 1px; background: var(--line);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero-copy { position: relative; padding-left: 26px; }
.eyebrow { font-size: 0.82rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.16em; color: var(--muted); margin-bottom: 22px; }
.hero h1 {
  font-size: clamp(2.7rem, 6.2vw, 5rem); font-weight: 500; letter-spacing: -0.045em; line-height: 1.02;
  margin-bottom: 26px; text-transform: uppercase;
}
.hero h1 .accent { display: block; font-weight: 700; background: linear-gradient(100deg, var(--cyan-ink), var(--cyan-2) 60%, var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: 1.12rem; max-width: 540px; margin-bottom: 34px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-platforms { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; font-size: 0.88rem; color: var(--muted); }
.platform { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px 7px 8px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--ink); font-weight: 600; }
.platform img { width: 26px; height: 26px; object-fit: contain; }

.hero-visual { position: relative; }
.hero-img { border-radius: 28px; overflow: hidden; aspect-ratio: 4 / 4.4; box-shadow: var(--shadow); background: #dfe7ee; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.float-card {
  position: absolute; background: #fff; border-radius: var(--radius); padding: 18px 22px;
  box-shadow: 0 22px 50px -22px rgba(14, 15, 18, .38); max-width: 230px;
}
.float-card strong { display: block; font-size: 2rem; font-weight: 700; color: var(--cyan-ink); line-height: 1.1; letter-spacing: -0.03em; }
.float-card span { font-size: 0.86rem; color: var(--text); line-height: 1.45; display: block; margin-top: 4px; }
.float-a { left: -36px; bottom: 56px; }
.float-b { right: -20px; top: 40px; background: var(--ink); }
.float-b strong { color: var(--cyan); }
.float-b span { color: #d5d9df; }

/* ---------- Stats ---------- */
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: stretch; }
.stats-visual { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 420px; }
.stats-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.stats-highlight {
  position: absolute; left: 20px; right: 20px; bottom: 20px; display: flex; align-items: center; gap: 18px;
  background: rgba(255, 255, 255, .94); border-radius: var(--radius-sm); padding: 18px 22px;
}
.stats-highlight .big { font-size: 3rem; font-weight: 700; color: var(--cyan-ink); line-height: 1; letter-spacing: -0.04em; }
.stats-highlight p { color: var(--ink); font-weight: 500; line-height: 1.45; }
.stats-intro { font-size: 1.08rem; margin-bottom: 18px; }
.stat { display: grid; grid-template-columns: 170px 1fr; gap: 20px; align-items: center; padding: 22px 0; border-top: 1px solid var(--line); }
.stat:last-child { border-bottom: 1px solid var(--line); }
.stat-num { font-size: 2.6rem; font-weight: 700; color: var(--cyan-ink); letter-spacing: -0.04em; line-height: 1; white-space: nowrap; }
.stat p { font-size: 0.98rem; }

/* ---------- Vision ---------- */
.vision { background: var(--bg-soft); }
.vision-img { border-radius: var(--radius); overflow: hidden; aspect-ratio: 21 / 8; margin-bottom: 56px; }
.vision-img img { width: 100%; height: 100%; object-fit: cover; object-position: center 60%; }
.vision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.vision-item h3 { display: flex; align-items: center; gap: 12px; font-size: 1.3rem; font-weight: 600; color: var(--cyan-ink); margin-bottom: 14px; }
.ico-arrow { width: 34px; height: 34px; color: var(--navy); flex: none; }
.vision-item p + p { margin-top: 12px; }

/* ---------- Services ---------- */
.svc-featured { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.svc {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.svc:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.svc-lg { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.svc-img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.svc-body { padding: 28px 30px 30px; }
.svc-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.svc-icon { width: 46px; height: 46px; flex: none; border-radius: 14px; display: grid; place-items: center; background: rgba(54, 209, 214, .14); color: var(--navy); }
.svc-icon svg { width: 24px; height: 24px; }
.svc h3 { font-size: 1.18rem; font-weight: 700; color: var(--navy); }
.svc p { font-size: 0.95rem; margin-bottom: 18px; }
.svc-items { display: grid; gap: 10px; border-top: 1px dashed var(--line); padding-top: 18px; }
.svc-items.two-col { grid-template-columns: 1fr 1fr; gap: 14px 22px; }
.svc-items li { position: relative; padding-left: 20px; font-size: 0.92rem; line-height: 1.5; }
.svc-items li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); }
.svc-items li strong { display: block; color: var(--ink); font-size: 0.93rem; }

/* ---------- Team ---------- */
.team { background: var(--bg-soft); }
.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.member { display: grid; grid-template-columns: 0.85fr 1.15fr; background: #fff; border-radius: var(--radius); overflow: hidden; }
.member-photo { background: linear-gradient(180deg, #e9ebee, #cfd4da); }
.member-photo img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.member-body { padding: 32px 30px; }
.member-role { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.member h3 { font-size: 1.65rem; font-weight: 700; color: var(--cyan-ink); margin: 4px 0 10px; letter-spacing: -0.02em; }
.member-intro { font-size: 0.95rem; margin-bottom: 16px; }
.checks { display: grid; gap: 10px; margin-bottom: 20px; }
.checks li { display: flex; gap: 10px; font-size: 0.92rem; line-height: 1.55; }
.checks svg { width: 20px; height: 20px; flex: none; color: var(--cyan-ink); stroke-width: 2.4; margin-top: 2px; }
.member blockquote { border-left: 3px solid var(--cyan); padding: 2px 0 2px 16px; font-style: italic; font-size: 0.92rem; color: var(--ink); }

/* ---------- Org ---------- */
.org-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; position: relative; }
.org-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 22px; text-align: center; }
.org-icon { width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--cyan); }
.org-icon svg { width: 28px; height: 28px; }
.org-item h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.org-item p { font-size: 0.88rem; line-height: 1.55; }

/* ---------- Partners ---------- */
.partners { background: var(--bg-soft); }
.partners-head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-bottom: 44px; }
.partners-head .section-head { margin-bottom: 0; }
.partners-intro { font-size: 1.02rem; }
.logo-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.logo-grid a { display: block; border-radius: var(--radius-sm); overflow: hidden; background: #fff; box-shadow: 0 1px 0 var(--line); transition: transform .25s ease, box-shadow .25s ease; }
.logo-grid a:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.logo-grid img { width: 100%; aspect-ratio: 1; object-fit: cover; }

/* ---------- Cases ---------- */
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.case { display: grid; grid-template-columns: 170px 1fr; gap: 28px; align-items: start; background: var(--bg-soft); border-radius: var(--radius); padding: 28px; }
.phone {
  border: 6px solid var(--ink); border-radius: 26px; overflow: hidden; background: #fff;
  aspect-ratio: 468 / 1013; box-shadow: 0 24px 40px -24px rgba(14, 15, 18, .55);
}
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.case-title { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.case-title img { width: 30px; height: 30px; object-fit: contain; }
.case h3 { font-size: 1.35rem; font-weight: 700; color: var(--navy); }
.case-body > p.case-handle { font-size: 0.88rem; color: var(--muted); margin: -6px 0 10px; }
.case-handle a { color: var(--cyan-ink); font-weight: 600; }
.case-handle a:hover { text-decoration: underline; }
.case-body > p { font-size: 0.95rem; margin-bottom: 18px; }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); gap: 16px 18px; }
.metrics dt { display: flex; align-items: center; gap: 4px; font-size: 1.38rem; font-weight: 700; color: var(--cyan-ink); line-height: 1.15; letter-spacing: -0.02em; white-space: nowrap; }
.metrics dd { font-size: 0.82rem; color: var(--muted); line-height: 1.4; margin-top: 3px; }
.star { width: 22px; height: 22px; fill: var(--star); stroke: var(--star); }
.kol-label { font-weight: 700; color: var(--navy); font-size: 0.95rem; margin: 22px 0 12px; }
.kols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kols li { display: flex; align-items: center; gap: 10px; font-size: 0.78rem; color: var(--muted); line-height: 1.35; }
.kols img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; flex: none; }
.kols strong { display: block; font-size: 0.85rem; color: var(--ink); }
.footnote { margin-top: 22px; font-size: 0.85rem; color: var(--muted); }

/* ---------- Feedback ---------- */
.feedback { background: var(--bg-soft); }
.quotes { columns: 3 300px; column-gap: 24px; }
.quote {
  break-inside: avoid; margin: 0 0 24px; background: #fff; border-radius: var(--radius); padding: 28px;
  border: 1px solid var(--line); position: relative;
}
.stars { display: flex; gap: 3px; margin-bottom: 14px; }
.stars svg { width: 18px; height: 18px; fill: var(--star); stroke: var(--star); }
.quote blockquote { font-size: 0.97rem; color: var(--ink); margin-bottom: 20px; }
.quote figcaption { display: flex; align-items: center; gap: 12px; font-size: 0.84rem; color: var(--muted); line-height: 1.4; }
.quote figcaption img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; flex: none; }
.quote figcaption strong { display: block; font-size: 0.95rem; color: var(--navy); }
.tag { position: absolute; top: 26px; right: 26px; font-size: 0.75rem; font-weight: 600; color: var(--cyan-ink); }

/* ---------- Process ---------- */
.process-img { border-radius: var(--radius); overflow: hidden; aspect-ratio: 21 / 7; margin-bottom: -70px; }
.process-img img { width: 100%; height: 100%; object-fit: cover; }
.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 0 28px; counter-reset: step; }
.step { background: #fff; border-radius: var(--radius); padding: 28px 24px; box-shadow: 0 20px 44px -26px rgba(14, 15, 18, .4); position: relative; }
.step-icon { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--cyan); color: var(--navy); margin-bottom: 18px; background: #fff; }
.step-icon svg { width: 24px; height: 24px; }
.step-num { position: absolute; top: 24px; right: 24px; font-size: 2rem; font-weight: 700; color: #e6e9ed; letter-spacing: -0.04em; }
.step h3 { font-size: 1.04rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; line-height: 1.35; }
.step p { font-size: 0.9rem; line-height: 1.6; }

/* ---------- Advantages ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.adv { border-top: 2px solid var(--ink); padding-top: 26px; }
.adv-icon { width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; border: 6px solid #e5e7eb; color: var(--muted); margin-bottom: 18px; }
.adv-icon svg { width: 24px; height: 24px; }
.adv h3 { font-size: 1.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 12px; }
.adv h3 .accent { display: block; font-weight: 700; }
.adv p { font-size: 0.97rem; }
.commit {
  position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 32px;
  background: var(--ink); color: #e5e7eb; border-radius: var(--radius); padding: 44px 48px;
}
.commit::after {
  content: ""; position: absolute; right: -40px; bottom: -60px; width: 220px; height: 220px; opacity: .22;
  background: url("assets/favicon.png") center / contain no-repeat; filter: invert(1);
  pointer-events: none;
}
.commit p { font-size: 1.12rem; line-height: 1.7; max-width: 760px; position: relative; z-index: 1; }
.commit strong { color: #fff; }
.commit .btn { position: relative; z-index: 1; }

/* ---------- Contact ---------- */
.contact { position: relative; background: #000; color: #c8ced6; overflow: hidden; }
.contact-bg {
  position: absolute; inset: 0; opacity: .18;
  background: url("assets/towers.webp") center / cover no-repeat;
  mask-image: linear-gradient(90deg, transparent 0%, #000 70%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 70%);
}
.contact-grid { position: relative; display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: start; }
.contact-lead { font-size: 1.05rem; margin-bottom: 22px; max-width: 460px; }
.zalo-cta { margin-bottom: 30px; padding: 15px 28px; font-size: 1rem; }
.info-list { display: grid; gap: 0; border-top: 1px solid rgba(255, 255, 255, .14); }
.info-list li { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.info-list svg { width: 22px; height: 22px; color: var(--cyan); flex: none; margin-top: 4px; }
.info-list small { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; color: #8b95a3; }
.info-list span { color: #fff; font-weight: 500; }
.info-list a { color: #fff; border-bottom: 1px solid rgba(54, 209, 214, .5); }
.info-list a:hover { color: var(--cyan); }

.contact-form { background: #fff; color: var(--text); border-radius: var(--radius); padding: 34px; display: grid; gap: 16px; }
.contact-form h3 { font-size: 1.4rem; font-weight: 700; color: var(--ink); }
.field { display: grid; gap: 6px; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { font-size: 0.82rem; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; font: 400 0.95rem/1.4 var(--font); color: var(--ink);
  background: var(--bg-soft); border: 1.5px solid transparent; border-radius: 10px; padding: 12px 14px;
  transition: border-color .2s ease, background-color .2s ease;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cyan-2); background: #fff; }
.field .invalid { border-color: #e5484d; }
.form-error { color: #d93036; font-size: 0.88rem; }
.contact-form .btn { width: 100%; padding: 16px; font-size: 1rem; }
.form-note { font-size: 0.82rem; color: var(--muted); text-align: center; }
.form-note strong { color: var(--ink); }
.form-status { font-size: 0.9rem; color: var(--ink); background: rgba(54, 209, 214, .14); border-radius: 10px; padding: 12px 14px; }
.form-status a { color: var(--cyan-ink); font-weight: 600; text-decoration: underline; white-space: nowrap; }

/* ---------- Footer ---------- */
.footer { background: #000; color: #8b95a3; border-top: 1px solid rgba(255, 255, 255, .1); padding: 40px 0; }
.footer-inner { display: grid; grid-template-columns: auto 1fr; gap: 20px 40px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 18px; }
.footer-brand img { height: 46px; width: auto; }
.footer-brand p { font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 26px; font-size: 0.92rem; }
.footer-nav a:hover { color: #fff; }
.footer-legal { grid-column: 1 / -1; font-size: 0.84rem; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1); }

/* ---------- Floating contact buttons ---------- */
.fab { position: fixed; right: 18px; bottom: 18px; z-index: 90; display: grid; gap: 12px; }
.fab-btn {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  box-shadow: 0 12px 28px -10px rgba(14, 15, 18, .5); transition: transform .2s ease;
}
.fab-btn:hover { transform: scale(1.08); }
.fab-zalo { background: #0068ff; color: #fff; font-weight: 700; font-size: 0.8rem; letter-spacing: 0.02em; }
.fab-call { background: var(--ink); color: var(--cyan); }
.fab-call svg { width: 24px; height: 24px; }
.fab-call::before {
  content: ""; position: absolute; width: 54px; height: 54px; border-radius: 50%;
  border: 2px solid var(--cyan); animation: ring 2s ease-out infinite;
}
@keyframes ring { from { transform: scale(1); opacity: .8; } to { transform: scale(1.6); opacity: 0; } }

/* ---------- Reveal on scroll (only when JS is running) ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .fab-call::before { animation: none; }
  .btn:hover, .svc:hover, .logo-grid a:hover { transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .svc-grid { grid-template-columns: 1fr 1fr; }
  .org-grid { grid-template-columns: repeat(3, 1fr); }
  .member { grid-template-columns: 1fr; }
  .member-photo { aspect-ratio: 4 / 3.2; }
  .case { grid-template-columns: 140px 1fr; gap: 22px; padding: 24px; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  :root { --nav-h: 68px; }
  .section { padding: 80px 0; }
  .nav-logo img { height: 40px; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 24px 24px;
    box-shadow: 0 24px 40px -24px rgba(14, 15, 18, .35);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .nav-links.open { transform: none; opacity: 1; visibility: visible; }
  .nav-links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .nav-links a:not(.btn)::after { display: none; }
  .nav-links .btn { margin-top: 16px; }
  .hero { padding-top: calc(var(--nav-h) + 40px); padding-bottom: 72px; }
  .hero::before { display: none; }
  .hero-grid, .stats-grid, .contact-grid, .partners-head { grid-template-columns: 1fr; }
  .hero-copy { padding-left: 0; }
  .hero-visual { max-width: 560px; margin: 8px auto 0; width: 100%; }
  .float-a { left: 12px; bottom: 16px; }
  .float-b { right: 12px; top: 16px; }
  .stats-visual { min-height: 340px; }
  .vision-grid { grid-template-columns: 1fr; gap: 28px; }
  .vision-img { aspect-ratio: 16 / 8; margin-bottom: 40px; }
  .svc-featured, .team-grid, .case-grid { grid-template-columns: 1fr; }
  .logo-grid { grid-template-columns: repeat(5, 1fr); gap: 12px; }
  .adv-grid { grid-template-columns: 1fr; gap: 32px; }
  .commit { flex-direction: column; align-items: flex-start; padding: 36px 28px; }
  .process-img { margin-bottom: 24px; aspect-ratio: 16 / 7; }
  .steps { padding: 0; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .section { padding: 64px 0; }
  .section-head { padding-left: 18px; margin-bottom: 36px; }
  .section-head::before { width: 4px; }
  .kicker { font-size: 0.9rem; }
  .hero h1 { font-size: clamp(2.3rem, 11vw, 3rem); }
  .hero-sub { font-size: 1.02rem; }
  .hero-cta .btn { flex: 1 1 auto; }
  .float-card { padding: 12px 16px; max-width: 180px; }
  .float-card strong { font-size: 1.5rem; }
  .float-card span { font-size: 0.78rem; }
  .stat { grid-template-columns: 1fr; gap: 6px; padding: 18px 0; }
  .stat-num { font-size: 2.2rem; }
  .stats-highlight { flex-direction: column; align-items: flex-start; gap: 4px; }
  .stats-highlight .big { font-size: 2.4rem; }
  .svc-grid, .svc-items.two-col { grid-template-columns: 1fr; }
  .svc-body, .svc { padding: 22px; }
  .svc-lg { padding: 0; }
  .org-grid { grid-template-columns: 1fr 1fr; }
  .org-item:last-child { grid-column: 1 / -1; }
  .logo-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .logo-grid a:nth-child(10) { grid-column: 2; }
  .case { grid-template-columns: 1fr; padding: 22px; }
  .case .phone { max-width: 180px; margin: 0 auto; }
  .kols { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .member-body { padding: 26px 22px; }
  .adv h3 { font-size: 1.6rem; }
  .commit p { font-size: 1rem; }
  .contact-form { padding: 24px 20px; }
  .field-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-brand { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-nav { justify-content: flex-start; }
  .fab { right: 14px; bottom: 14px; }
  .fab-btn, .fab-call::before { width: 50px; height: 50px; }
}