/* ============================================================
   Dream Media Marketing — Site styles v2
   Nang cap: typography sac net, chieu sau, chuyen dong tinh te,
   logo nen tang that, bang so sanh, FAQ.
   ============================================================ */

:root {
  --bg: #08090f;
  --bg-alt: #0c0e18;
  --surface: #11131f;
  --surface-2: #171a28;
  --surface-3: #1e2233;
  --border: #232741;
  --border-soft: #1a1d30;
  --text: #f0f2fc;
  --text-dim: #9aa0c0;
  --text-dimmer: #6b7194;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --accent-grad: linear-gradient(135deg, #7c5cff 0%, #22d3ee 100%);
  --green: #34d399;
  --radius: 16px;
  --max-w: 1140px;
  --shadow-card: 0 1px 0 rgba(255,255,255,.04) inset, 0 20px 50px -30px rgba(0,0,0,.9);
  --shadow-lift: 0 30px 70px -35px rgba(124,92,255,.5);
  /* Logo mau thuong hieu */
  --yt: #ff0033;
  --fb: #1877f2;
  --ig-grad: linear-gradient(45deg, #f58529, #dd2a7b 55%, #8134af);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
::selection { background: rgba(124,92,255,.35); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ==================== HEADER ==================== */
header.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8, 9, 15, .72);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border-soft);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: var(--max-w); margin: 0 auto;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 17px; letter-spacing: -.025em;
}
.logo-mark, .logo img.logo-mark {
  width: 30px; height: 30px; border-radius: 9px; display: inline-block;
  box-shadow: 0 0 20px rgba(124,92,255,.45);
}
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a {
  position: relative;
  color: var(--text-dim); font-size: 14.5px; font-weight: 500;
  transition: color .15s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; border-radius: 2px; background: var(--accent-grad);
}
.nav-dash { color: var(--accent-2) !important; font-weight: 600 !important; }
.nav-dash:hover { text-shadow: 0 0 14px rgba(34,211,238,.6); }

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: 999px;
  font-weight: 600; font-size: 14.5px; cursor: pointer;
  border: 1px solid transparent; font-family: inherit;
  transition: transform .18s cubic-bezier(.22,1,.36,1), box-shadow .18s ease, opacity .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-grad); color: #fff;
  box-shadow: 0 10px 30px -10px rgba(124,92,255,.7);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(124,92,255,.85); }
.btn-ghost { background: rgba(255,255,255,.03); border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent); background: rgba(124,92,255,.08); }
.btn-lg { padding: 14px 30px; font-size: 15.5px; }

/* ==================== HERO ==================== */
.hero { padding: 88px 0 64px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: -280px; left: 50%;
  transform: translateX(-50%);
  width: 1100px; height: 620px;
  background: radial-gradient(closest-side, rgba(124,92,255,.28), transparent 72%);
  pointer-events: none;
  animation: drift 14s ease-in-out infinite alternate;
}
.hero::after {
  content: ""; position: absolute; top: 60px; right: -180px;
  width: 620px; height: 480px;
  background: radial-gradient(closest-side, rgba(34,211,238,.14), transparent 70%);
  pointer-events: none;
  animation: drift 18s ease-in-out infinite alternate-reverse;
}
@keyframes drift {
  from { transform: translateX(-50%) translateY(0) scale(1); }
  to   { transform: translateX(-46%) translateY(24px) scale(1.08); }
}
.hero .container { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  background: rgba(124,92,255,.1);
  border: 1px solid rgba(124,92,255,.3);
  color: #c3b5ff; font-size: 13px; font-weight: 600;
  margin-bottom: 24px;
}
.eyebrow .pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 0 0 rgba(52,211,153,.7);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 8px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}

.hero h1 {
  font-size: clamp(38px, 5.6vw, 62px);
  line-height: 1.06; letter-spacing: -.038em;
  margin: 0 0 22px; font-weight: 800;
}
.hero h1 span, .grad {
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead {
  max-width: 660px; margin: 0 auto 36px;
  color: var(--text-dim); font-size: 18.5px; line-height: 1.62;
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 13px; color: var(--text-dimmer); }

/* Platform logo row */
.platform-row {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-top: 44px;
}
.platform-chip {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 9px 18px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-dim); font-size: 13.5px; font-weight: 600;
  transition: all .18s ease;
}
.platform-chip svg { width: 15px; height: 15px; fill: currentColor; }
.platform-chip:hover { color: var(--text); border-color: #2e3454; transform: translateY(-2px); }
.platform-chip.c-yt:hover { color: #ff4d6d; border-color: rgba(255,0,51,.5); }
.platform-chip.c-fb:hover { color: #5b93ff; border-color: rgba(24,119,242,.5); }
.platform-chip.c-ig:hover { color: #f472b6; border-color: rgba(221,42,123,.5); }
.platform-chip.c-tt:hover { color: #22d3ee; border-color: rgba(0,242,234,.5); }
.platform-chip.c-x:hover  { color: #fff; border-color: #555; }

/* ==================== SECTIONS ==================== */
section { padding: 92px 0; position: relative; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  letter-spacing: -.028em; margin: 0 0 14px; font-weight: 800; line-height: 1.15;
}
.section-head p { color: var(--text-dim); font-size: 16.5px; margin: 0; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* ==================== CARDS ==================== */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform .22s cubic-bezier(.22,1,.36,1), border-color .22s ease;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,92,255,.7), transparent);
  opacity: 0; transition: opacity .22s ease;
}
.card:hover { transform: translateY(-4px); border-color: #2e3454; }
.card:hover::before { opacity: 1; }
.card .icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(124,92,255,.22), rgba(34,211,238,.14));
  border: 1px solid rgba(124,92,255,.3);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; color: #c3b5ff;
}
.card .icon svg { width: 21px; height: 21px; }
.card h3 { font-size: 17px; margin: 0 0 10px; font-weight: 700; letter-spacing: -.01em; }
.card p { color: var(--text-dim); font-size: 14.5px; margin: 0; line-height: 1.6; }

/* ==================== STEPS ==================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.step {
  position: relative; padding: 26px 22px 22px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow-card);
  transition: transform .22s ease, border-color .22s ease;
}
.step:hover { transform: translateY(-3px); border-color: #2e3454; }
.step .num {
  display: inline-flex; width: 34px; height: 34px; border-radius: 10px;
  background: var(--accent-grad); align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px; margin-bottom: 14px; color: #fff;
  box-shadow: 0 8px 20px -8px rgba(124,92,255,.8);
}
.step h4 { margin: 0 0 8px; font-size: 15.5px; font-weight: 700; }
.step p { margin: 0; color: var(--text-dim); font-size: 13.8px; }

/* ==================== STATS BAR ==================== */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.stat-cell { background: var(--surface); padding: 26px 22px; text-align: center; }
.stat-cell .n {
  font-size: 32px; font-weight: 800; letter-spacing: -.03em;
  background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-cell .l { font-size: 13px; color: var(--text-dim); margin-top: 4px; }

/* ==================== COMPARISON TABLE ==================== */
.compare-wrap {
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; background: var(--surface); box-shadow: var(--shadow-card);
}
.compare-scroll { overflow-x: auto; }
.compare {
  width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 640px;
}
.compare th, .compare td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--border-soft); }
.compare thead th {
  font-size: 13px; font-weight: 700; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: .06em;
  background: var(--surface-2);
}
.compare thead th.us {
  color: #fff; background: linear-gradient(180deg, rgba(124,92,255,.28), rgba(124,92,255,.1));
  text-transform: none; font-size: 14.5px; letter-spacing: -.01em;
}
.compare tbody tr:last-child td { border-bottom: none; }
.compare tbody tr:hover { background: rgba(255,255,255,.016); }
.compare td.feat { color: var(--text); font-weight: 600; }
.compare td.us { background: rgba(124,92,255,.05); }
.compare .yes { color: var(--green); font-weight: 700; }
.compare .no { color: var(--text-dimmer); }
.compare .partial { color: #fbbf24; }

/* ==================== FAQ ==================== */
.faq { max-width: 760px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); margin-bottom: 12px; overflow: hidden;
  transition: border-color .2s ease;
}
.faq-item:hover { border-color: #2e3454; }
.faq-item.open { border-color: rgba(124,92,255,.45); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; cursor: pointer;
  font-size: 15.5px; font-weight: 600; user-select: none;
}
.faq-q .chev {
  flex-shrink: 0; width: 18px; height: 18px; color: var(--text-dim);
  transition: transform .25s cubic-bezier(.22,1,.36,1);
}
.faq-item.open .chev { transform: rotate(180deg); color: var(--accent); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .3s cubic-bezier(.22,1,.36,1);
}
.faq-item.open .faq-a { max-height: 320px; }
.faq-a p { margin: 0; padding: 0 22px 20px; color: var(--text-dim); font-size: 14.5px; line-height: 1.65; }

/* ==================== CTA BAND ==================== */
.cta-band {
  position: relative;
  background: linear-gradient(160deg, rgba(124,92,255,.16), rgba(34,211,238,.06));
  border: 1px solid rgba(124,92,255,.28);
  border-radius: 24px; padding: 60px 40px; text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; top: -140px; left: 50%; transform: translateX(-50%);
  width: 700px; height: 300px;
  background: radial-gradient(closest-side, rgba(124,92,255,.3), transparent 70%);
  pointer-events: none;
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); margin: 0 0 14px; font-weight: 800; letter-spacing: -.025em; }
.cta-band p { color: var(--text-dim); margin: 0 auto 28px; max-width: 520px; }

/* ==================== PAGE HERO (about/privacy/terms) ==================== */
.page-hero { padding: 76px 0 40px; text-align: center; position: relative; }
.page-hero h1 { font-size: clamp(30px, 4vw, 40px); margin: 0 0 14px; font-weight: 800; letter-spacing: -.03em; }
.page-hero p { color: var(--text-dim); max-width: 580px; margin: 0 auto; }

.prose { max-width: 760px; margin: 0 auto; padding-bottom: 40px; }
.prose h2 { font-size: 22px; margin: 40px 0 14px; font-weight: 700; letter-spacing: -.02em; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--text-dim); font-size: 15.5px; }
.prose ul { padding-left: 20px; }
.prose strong { color: var(--text); }
.updated-note { text-align: center; color: var(--text-dim); font-size: 13.5px; margin-bottom: 40px; }

/* ==================== CONTACT ==================== */
.contact-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  max-width: 940px; margin: 0 auto; align-items: start;
}
.contact-info .card { margin-bottom: 16px; }
form.contact-form { display: flex; flex-direction: column; gap: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 8px; color: var(--text-dim); }
.field input, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); font-family: inherit; font-size: 14.5px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,92,255,.15);
}
.form-note { font-size: 13px; color: var(--text-dim); }
.form-status { font-size: 14px; padding: 12px 14px; border-radius: 10px; display: none; }
.form-status.success { display: block; background: rgba(52,211,153,.1); color: #6ee7b7; border: 1px solid rgba(52,211,153,.3); }
.form-status.error { display: block; background: rgba(248,113,113,.1); color: #fca5a5; border: 1px solid rgba(248,113,113,.3); }

/* ==================== PRICING ==================== */
/* 4 goi: Free / Creator / Studio / Agency. Truoc day cung 3 cot nen goi thu tu
   roi xuong hang rieng, trong nhu phu luc chu khong phai mot lua chon ngang hang.
   Tu xuong 2 cot o man vua, 1 cot o dien thoai (quy tac @media ben duoi). */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
@media (max-width: 1180px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
.price-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px 26px;
  display: flex; flex-direction: column; box-shadow: var(--shadow-card);
  transition: transform .22s ease, border-color .22s ease;
}
.price-card:hover { transform: translateY(-4px); border-color: #2e3454; }
.price-card.featured {
  border: 1.5px solid var(--accent); position: relative;
  background: linear-gradient(180deg, rgba(124,92,255,.08), var(--surface) 40%);
  box-shadow: var(--shadow-lift);
}
.price-card h3 { margin: 0 0 6px; font-size: 18px; font-weight: 700; }
.price-card .price { font-size: 38px; font-weight: 800; margin: 14px 0 4px; letter-spacing: -.03em; }
.price-card .price span { font-size: 14px; color: var(--text-dim); font-weight: 500; letter-spacing: normal; }
.price-card .desc { color: var(--text-dim); font-size: 13.5px; margin-bottom: 20px; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
.price-card li { display: flex; gap: 10px; align-items: flex-start; font-size: 13.8px; color: var(--text-dim); margin-bottom: 12px; }
.price-card li::before { content: "✓"; color: var(--accent-2); font-weight: 700; flex-shrink: 0; }

/* ==================== BROWSER FRAME MOCKUP ==================== */
.browser-frame {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; overflow: hidden;
  box-shadow: 0 60px 120px -40px rgba(0,0,0,.9), 0 0 80px -40px rgba(124,92,255,.4);
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s ease;
}
a.browser-frame:hover {
  transform: translateY(-6px);
  box-shadow: 0 70px 140px -40px rgba(0,0,0,.95), 0 0 110px -40px rgba(124,92,255,.6);
}
.browser-topbar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; background: var(--surface-2);
  border-bottom: 1px solid var(--border-soft);
}
.browser-dots { display: flex; gap: 6px; }
.browser-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.browser-url {
  flex: 1; text-align: center; font-size: 12.5px; color: var(--text-dim);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 14px; max-width: 280px; margin: 0 auto;
}

/* Mock dashboard (hero preview) */
.mock-dashboard { display: grid; grid-template-columns: 210px 1fr; min-height: 400px; text-align: left; }
.mock-sidebar { border-right: 1px solid var(--border-soft); padding: 20px 14px; background: rgba(13,16,27,.6); }
.mock-sidebar .mlogo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 13.5px; margin-bottom: 22px; padding: 0 6px;
}
.mock-sidebar .mlogo img { width: 22px; height: 22px; border-radius: 7px; }
.mock-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 11px; border-radius: 9px; font-size: 13px;
  color: var(--text-dim); margin-bottom: 3px; font-weight: 600;
}
.mock-nav-item svg { width: 15px; height: 15px; opacity: .8; }
.mock-nav-item.active {
  background: linear-gradient(90deg, rgba(124,92,255,.18), rgba(124,92,255,.04));
  color: var(--text);
}
.mock-main { padding: 22px 24px; background: var(--surface-2); }
.mock-main h3 { margin: 0 0 4px; font-size: 17px; font-weight: 800; letter-spacing: -.02em; }
.mock-main .sub { color: var(--text-dim); font-size: 12.5px; margin: 0 0 18px; }

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.stat-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 16px;
}
.stat-box .n { font-size: 23px; font-weight: 800; letter-spacing: -.03em; }
.stat-box .l { font-size: 11.5px; color: var(--text-dim); margin-top: 2px; }

.connect-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.connect-card {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 11px 13px;
}
.connect-left { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; }
.platform-dot {
  width: 26px; height: 26px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.platform-dot svg { width: 13px; height: 13px; fill: #fff; }
.pd-youtube { background: var(--yt); }
.pd-facebook { background: var(--fb); }
.pd-instagram { background: var(--ig-grad); }
.pd-tiktok { background: #000; border: 1px solid #333; }
.pd-x { background: #16181c; border: 1px solid #333; }

.chip-connected {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; color: var(--green);
  background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.3);
  padding: 3px 9px; border-radius: 999px;
}
.chip-connected::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.chip-connect {
  font-size: 11px; font-weight: 700; color: var(--accent-2);
  background: rgba(34,211,238,.1); border: 1px solid rgba(34,211,238,.3);
  padding: 3px 9px; border-radius: 999px;
}

/* ==================== BADGES ==================== */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 999px;
  font-size: 12px; font-weight: 700;
}
.badge-accent { background: rgba(124,92,255,.16); color: #c3b5ff; border: 1px solid rgba(124,92,255,.4); }
.badge-demo { background: rgba(34,211,238,.12); color: #7fe3f2; border: 1px solid rgba(34,211,238,.3); }
.badge-soon { background: rgba(154,160,192,.1); color: var(--text-dim); border: 1px solid var(--border); }

/* ==================== TABS (product page) ==================== */
.tab-nav { display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; justify-content: center; }
.tab-btn {
  padding: 10px 20px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-dim); font-weight: 600; font-size: 13.5px;
  cursor: pointer; font-family: inherit; transition: all .18s ease;
}
.tab-btn:hover { color: var(--text); border-color: #2e3454; }
.tab-btn.active { background: var(--accent-grad); color: #fff; border-color: transparent; box-shadow: 0 8px 24px -8px rgba(124,92,255,.7); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .35s cubic-bezier(.22,1,.36,1); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ==================== FOOTER ==================== */
footer {
  border-top: 1px solid var(--border-soft);
  padding: 56px 0 32px; color: var(--text-dim); font-size: 13.5px;
  background: var(--bg-alt);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
.footer-grid h5 {
  color: var(--text); font-size: 12.5px; text-transform: uppercase;
  letter-spacing: .08em; margin: 0 0 14px; font-weight: 700;
}
.footer-grid a { display: block; margin-bottom: 10px; color: var(--text-dim); transition: color .15s ease; }
.footer-grid a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border-soft); padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--text-dimmer);
}

/* ==================== REVEAL ==================== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero::before, .hero::after { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.nav-burger { display: none; background: none; border: 1px solid var(--border, rgba(255,255,255,.15)); border-radius: 10px; color: inherit; padding: 7px 9px; cursor: pointer; margin-left: 10px; }

@media (max-width: 860px) {
  .nav { position: relative; }
  .nav-burger { display: inline-flex; align-items: center; }
  /* Menu tha xuong duoi header khi bam hamburger */
  .nav-links { display: none; position: absolute; top: calc(100% + 8px); left: 0; right: 0;
    flex-direction: column; gap: 2px; padding: 10px;
    background: rgba(11, 13, 22, .98); border: 1px solid rgba(255,255,255,.1);
    border-radius: 14px; z-index: 90; box-shadow: 0 18px 50px rgba(0,0,0,.5); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; border-radius: 10px; }
  .nav-links a:hover, .nav-links a.active { background: rgba(255,255,255,.06); }
  .nav > .btn { padding: 9px 14px; font-size: 13px; }
  .hero { padding: 60px 0 48px; }
  .grid-3, .steps, .grid-2, .pricing-grid, .connect-grid, .stat-row { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .mock-dashboard { grid-template-columns: 1fr; }
  .mock-sidebar { display: none; }
  section { padding: 60px 0; }
  .cta-band { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: 1fr; }
}

/* ===== HERO: lich Autopilot tu lap day ===== */
.apc-top { display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap; margin:6px 0 12px; }
.apc-count { font-size:12px; color:var(--text-dim); white-space:nowrap; }
.apc-count b { color:var(--accent-2); font-size:15px; }
.apc-grid { display:grid; grid-template-columns:repeat(10,1fr); gap:6px; }
.apc-cell {
  aspect-ratio:1/1; border-radius:7px; background:rgba(255,255,255,.03);
  border:1px solid var(--border-soft, rgba(255,255,255,.06));
  position:relative; display:flex; align-items:flex-start; justify-content:flex-start;
  padding:4px; font-size:8.5px; color:var(--text-dimmer); overflow:hidden;
}
.apc-cell .dots { position:absolute; inset:auto 4px 4px 4px; display:flex; gap:3px; flex-wrap:wrap; }
.apc-dot { width:8px; height:8px; border-radius:3px; display:inline-block; transform:scale(0); }
.apc-cell .apc-dot { animation:apcPop .3s cubic-bezier(.2,1.6,.4,1) forwards; }
.apc-legend .apc-dot { transform:scale(1); width:9px; height:9px; margin:0 4px 0 10px; vertical-align:-1px; }
.d-yt { background:#ff4d4d; } .d-ig { background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#bc1888); }
.d-tt { background:#2af0ea; } .d-fb { background:#1877f2; } .d-x { background:#e7e9ea; }
@keyframes apcPop { to { transform:scale(1); } }
.apc-cell.filled { border-color:rgba(124,92,255,.35); background:rgba(124,92,255,.07); }
.apc-foot { display:flex; justify-content:space-between; align-items:center; margin-top:12px; flex-wrap:wrap; gap:8px; }
.apc-legend { font-size:11px; color:var(--text-dim); }
.apc-approve {
  font-size:12px; font-weight:700; padding:7px 14px; border-radius:9px;
  background:var(--accent-grad, linear-gradient(90deg,#7c5cff,#22d3ee)); color:#fff;
  opacity:.25; transition:opacity .4s, transform .3s;
}
.apc-approve.on { opacity:1; transform:scale(1.04); }

/* ===== SAN CHOI CAPTION ===== */
.pg-box { max-width:900px; margin:0 auto; }
.pg-input-row { display:flex; gap:10px; margin-bottom:22px; flex-wrap:wrap; }
.pg-input-row input {
  flex:1; min-width:240px; padding:14px 16px; border-radius:12px; font-size:15px;
  background:var(--surface); border:1px solid var(--border); color:var(--text);
  font-family:inherit;
}
.pg-input-row input:focus { outline:none; border-color:var(--accent); }
.pg-cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:14px; }
.pg-card {
  background:var(--surface); border:1px solid var(--border); border-radius:14px;
  padding:16px; animation:pgIn .35s ease both;
}
@keyframes pgIn { from { opacity:0; transform:translateY(8px); } }
.pg-card-head { display:flex; align-items:center; gap:8px; font-weight:800; font-size:13px; margin-bottom:9px; }
.pg-ico { width:22px; height:22px; border-radius:6px; display:inline-flex; align-items:center; justify-content:center; font-size:11px; color:#fff; }
.pg-cap { font-size:13.5px; line-height:1.55; }
.pg-cap .yt-label { color:var(--text-dimmer); font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.05em; display:block; margin:8px 0 2px; }
.pg-tags { color:var(--accent-2); font-size:12px; margin-top:8px; }
.pg-len { color:var(--text-dimmer); font-size:11px; margin-top:8px; }
.pg-note { text-align:center; color:var(--text-dimmer); font-size:12.5px; margin-top:20px; }