/* ══ startup-cong-nghe — GLASS-MODERN ══ */
/* Font: Plus Jakarta Sans | Tone: dark-dominant | Identity: GLASS-MODERN */
/* Accent: Purple #7c3aed | Nav: Floating Pill (Nav-3) | Hero: Split text + app mockup */

:root {
  --bg: #0d0d1a;
  --surface: #141428;
  --dark: #070710;
  --dark2: #0f0f1e;
  --border: rgba(255,255,255,.1);
  --border-light: rgba(255,255,255,.06);
  --text: #e8e8f8;
  --text-2: rgba(200,200,240,.6);
  --text-3: rgba(180,180,220,.35);
  --accent: #7c3aed;
  --accent-h: #6d28d9;
  --accent-light: rgba(124,58,237,.15);
  --accent-mid: #a855f7;
  --warm: rgba(255,255,255,.04);
  --warm2: rgba(255,255,255,.08);
  --danger: #f87171;
  --gradient-hero: linear-gradient(135deg, #0d0d1a 0%, #1a0d2e 50%, #0d1a2e 100%);
  --gradient-accent: linear-gradient(135deg, #7c3aed, #a855f7);
  --gradient-blue: linear-gradient(135deg, #3b82f6, #7c3aed);
  --sans: 'Plus Jakarta Sans', sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
*, *::before, *::after { box-sizing: border-box; }
img { display: block; max-width: 100%; }
a { text-decoration: none; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }

/* ── Utilities ── */
.wd-container { max-width: 1100px; margin: 0 auto; padding: 0 clamp(20px,5vw,80px); }
.sec-pad { padding: clamp(72px,10vw,120px) 0; }

/* ── Reveal Animation ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .72s cubic-bezier(.16,1,.3,1), transform .72s cubic-bezier(.16,1,.3,1);
}
[data-reveal].visible { opacity: 1; transform: none; }
[data-reveal-d1] { transition-delay: .1s; }
[data-reveal-d2] { transition-delay: .2s; }
[data-reveal-d3] { transition-delay: .3s; }

/* ── Gradient Text ── */
.st-grad-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ══ NAV — Floating Pill (Nav-3) ══ */
#nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1060px;
  z-index: 500;
  background: rgba(13,13,26,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  transition: all .3s;
}
.st-nav-inner {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 16px;
}
.st-logo {
  color: #fff;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.3px;
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}
.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-mid);
  display: inline-block;
  margin-right: 7px;
  flex-shrink: 0;
}
.st-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.st-nav-links a {
  color: rgba(255,255,255,.55);
  font-size: 13.5px;
  font-weight: 500;
  transition: color .2s;
}
.st-nav-links a:hover,
.st-nav-links a.active { color: #fff; }
.st-nav-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.st-nav-login {
  color: rgba(255,255,255,.6);
  font-size: 13px;
  font-weight: 500;
  transition: color .2s;
}
.st-nav-login:hover { color: #fff; }
.st-nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  transition: all .2s;
  display: inline-block;
}
.st-nav-cta:hover {
  background: var(--accent-h);
  transform: translateY(-1px);
  color: #fff;
}

/* Hamburger */
.st-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: transparent;
}
.st-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,.7);
  border-radius: 2px;
  transition: all .3s;
}
.st-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.st-burger.open span:nth-child(2) { opacity: 0; }
.st-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.st-mob {
  position: fixed;
  inset: 0;
  background: rgba(7,7,16,.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 490;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}
.st-mob.open { opacity: 1; pointer-events: auto; }
.st-mob a {
  font-size: 22px;
  font-weight: 600;
  color: rgba(255,255,255,.65);
  transition: color .2s;
}
.st-mob a:hover { color: #fff; }
.st-mob .mob-cta {
  background: var(--accent);
  color: #fff;
  padding: 14px 40px;
  border-radius: 10px;
  font-size: 15px;
  margin-top: 8px;
}

@media (max-width: 768px) {
  #nav { top: 12px; width: calc(100% - 24px); border-radius: 12px; }
  .st-nav-links, .st-nav-login, .st-nav-cta { display: none; }
  .st-burger { display: flex; }
}

/* ══ HERO ══ */
.st-hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
}

/* Animated background blobs */
.st-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: blobFloat 8s ease-in-out infinite;
}
.st-blob-1 {
  width: 500px;
  height: 500px;
  background: rgba(124,58,237,.22);
  top: -150px;
  right: 5%;
  animation-delay: 0s;
}
.st-blob-2 {
  width: 350px;
  height: 350px;
  background: rgba(59,130,246,.18);
  bottom: -80px;
  left: 3%;
  animation-delay: -3s;
}
.st-blob-3 {
  width: 250px;
  height: 250px;
  background: rgba(168,85,247,.15);
  top: 40%;
  left: 35%;
  animation-delay: -5s;
}
@keyframes blobFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* Grid mesh overlay */
.st-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.st-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.st-hero-text { max-width: 560px; }

.st-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,.2);
  border: 1px solid rgba(124,58,237,.35);
  color: var(--accent-mid);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.st-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-mid);
  flex-shrink: 0;
}

.st-hero-heading {
  font-size: clamp(42px,5.5vw,76px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -2px;
  color: #fff;
  margin-bottom: 22px;
}
.st-hero-heading em {
  font-style: normal;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.st-hero-sub {
  font-size: clamp(15px,1.5vw,18px);
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 460px;
}
.st-hero-ctas { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.st-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all .25s;
}
.st-btn-primary:hover {
  background: var(--accent-h);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(124,58,237,.4);
  color: #fff;
}
.st-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: rgba(255,255,255,.7);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  padding: 13px 28px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.15);
  cursor: pointer;
  transition: all .25s;
}
.st-btn-ghost:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
  border-color: rgba(255,255,255,.3);
}
.st-social-proof {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.st-avatars {
  display: flex;
  margin-right: 4px;
}
.st-avatars span {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--bg);
  overflow: hidden;
  margin-left: -8px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-mid);
}
.st-avatars span:first-child { margin-left: 0; }
.st-proof-text { font-size: 13px; color: var(--text-2); line-height: 1.4; }
.st-proof-text strong { color: #fff; font-weight: 600; }

/* App Mockup */
.st-hero-visual { position: relative; }
.st-mockup-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 40px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.05);
}
.st-mockup-topbar {
  background: rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mock-dot-r { background: rgba(248,113,113,.6); }
.mock-dot-y { background: rgba(251,191,36,.6); }
.mock-dot-g { background: rgba(74,222,128,.6); }
.st-mockup-body { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.mock-stat-row {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 10px;
}
.mock-stat {
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.2);
  border-radius: 10px;
  padding: 14px 12px;
  text-align: center;
}
.mock-stat-num {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}
.mock-stat-lbl {
  font-size: 10px;
  color: var(--text-2);
  font-weight: 500;
}
.mock-chart-area {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 16px;
  height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.mock-chart-label {
  font-size: 11px;
  color: var(--text-3);
  font-weight: 500;
}
.mock-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 70px;
}
.mock-bar-item {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: var(--gradient-accent);
  opacity: .7;
  transition: opacity .2s;
}
.mock-bar-item:hover { opacity: 1; }
.mock-list { display: flex; flex-direction: column; gap: 8px; }
.mock-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.03);
  border-radius: 8px;
  padding: 10px 12px;
}
.mock-list-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent-light);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}
.mock-list-lines { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.mock-line {
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,.12);
}
.mock-line.w60 { width: 60%; }
.mock-line.w40 { width: 40%; }
.mock-line.w80 { width: 80%; }
.mock-line.w50 { width: 50%; }
.mock-badge-pill {
  font-size: 9px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
  background: rgba(74,222,128,.15);
  color: #4ade80;
}

/* Hero floating badge */
.st-float-badge {
  position: absolute;
  bottom: -20px;
  left: -30px;
  background: rgba(13,13,26,.9);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
  padding: 12px 16px;
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  animation: floatBadge 4s ease-in-out infinite;
}
@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.float-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}
.float-badge-text { font-size: 12px; }
.float-badge-title { font-weight: 700; color: #fff; }
.float-badge-sub { color: var(--text-2); font-size: 11px; }

@media (max-width: 900px) {
  .st-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .st-hero-text { max-width: 100%; text-align: center; }
  .st-hero-ctas { justify-content: center; }
  .st-social-proof { justify-content: center; }
  .st-hero-visual { display: none; }
}

/* ══ TRUSTED BY — STAT-BAR ══ */
.st-trusted {
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 48px 0;
}
.st-stats-row {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 0;
}
.st-stat-item {
  text-align: center;
  padding: 0 20px;
  position: relative;
}
.st-stat-item + .st-stat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 40px;
  width: 1px;
  background: var(--border-light);
}
.st-stat-num {
  font-size: clamp(28px,3vw,40px);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.st-stat-lbl {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-2);
}
.st-clients-strip {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border-light);
  text-align: center;
}
.st-clients-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}
.st-client-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.st-client-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: -.3px;
  transition: color .2s;
}
.st-client-name:hover { color: var(--text-2); }

@media (max-width: 576px) {
  .st-stats-row { grid-template-columns: repeat(2,1fr); gap: 24px; }
  .st-stat-item + .st-stat-item::before { display: none; }
  .st-client-logos { gap: 20px; }
}

/* ══ FEATURES — BENTO-GRID ══ */
.st-features { background: var(--bg); }
.st-section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  border: 1px solid rgba(124,58,237,.25);
  color: var(--accent-mid);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.st-section-title {
  font-size: clamp(28px,3.8vw,48px);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 14px;
}
.st-section-sub {
  font-size: 16px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 520px;
}

/* Glass card — signature component */
.st-glass {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 28px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color .3s, background .3s, transform .3s;
  height: 100%;
}
.st-glass:hover {
  border-color: rgba(124,58,237,.4);
  background: rgba(124,58,237,.07);
  transform: translateY(-4px);
}

/* Bento grid */
.st-bento {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  grid-template-rows: auto auto;
  gap: 16px;
  margin-top: 48px;
}
.st-bento-item { position: relative; }
.st-bento-item.span-2 { grid-column: span 2; }
.st-bento-item.span-2-row { grid-row: span 2; }

.st-feat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-light);
  border: 1px solid rgba(124,58,237,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.st-feat-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: -.3px;
}
.st-feat-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.7;
}

/* Feature highlight card (large) */
.st-feat-large .st-feat-title { font-size: 22px; margin-bottom: 12px; }
.st-feat-large .st-feat-desc { font-size: 15px; }
.st-feat-large .st-feat-icon { width: 56px; height: 56px; font-size: 26px; }
.st-feat-visual {
  margin-top: 20px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(124,58,237,.1);
  border: 1px solid rgba(124,58,237,.2);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.feat-mini-bar {
  width: 24px;
  border-radius: 4px 4px 0 0;
  background: var(--gradient-accent);
}

@media (max-width: 900px) {
  .st-bento { grid-template-columns: 1fr 1fr; }
  .st-bento-item.span-2 { grid-column: span 2; }
  .st-bento-item.span-2-row { grid-row: span 1; }
}
@media (max-width: 576px) {
  .st-bento { grid-template-columns: 1fr; }
  .st-bento-item.span-2 { grid-column: span 1; }
}

/* ══ HOW IT WORKS — TIMELINE ══ */
.st-how { background: var(--dark2); position: relative; overflow: hidden; }
.st-how::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124,58,237,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.st-how-inner { position: relative; z-index: 1; }

/* Horizontal steps timeline */
.st-steps {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 0;
  margin-top: 56px;
  position: relative;
}
/* Connecting line */
.st-steps::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(16.667% + 44px);
  right: calc(16.667% + 44px);
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-mid), var(--accent));
  opacity: .4;
  z-index: 0;
}
.st-step {
  text-align: center;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.st-step-num {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: rgba(124,58,237,.12);
  border: 2px solid rgba(124,58,237,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-mid);
  position: relative;
  z-index: 2;
  transition: all .3s;
}
.st-step:hover .st-step-num {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 32px rgba(124,58,237,.5);
}
.st-step-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -.3px;
}
.st-step-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .st-steps { grid-template-columns: 1fr; gap: 36px; }
  .st-steps::before { display: none; }
}

/* ══ TESTIMONIALS — GRID-CARDS ══ */
.st-reviews { background: var(--bg); }
.st-review-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
  margin-top: 48px;
}
.st-review-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 28px;
  transition: border-color .3s, background .3s;
}
.st-review-card:hover {
  border-color: rgba(124,58,237,.3);
  background: rgba(124,58,237,.06);
}
.st-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
}
.st-star { color: #f59e0b; font-size: 14px; }
.st-review-quote {
  font-size: 14.5px;
  font-weight: 400;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 20px;
  font-style: italic;
}
.st-review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}
.st-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--surface);
  object-fit: cover;
}
.st-author-name { font-size: 14px; font-weight: 700; color: #fff; }
.st-author-role { font-size: 12px; color: var(--text-3); }
@media (max-width: 900px) {
  .st-review-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 576px) {
  .st-review-grid { grid-template-columns: 1fr; }
}

/* ══ PRICING — GRID-CARDS ══ */
.st-pricing { background: var(--dark2); }
.st-pricing-toggle {
  display: inline-flex;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  margin-top: 24px;
}
.st-toggle-btn {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  padding: 8px 20px;
  border-radius: 7px;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all .25s;
}
.st-toggle-btn.active {
  background: var(--accent);
  color: #fff;
}
.st-toggle-badge {
  font-size: 10px;
  font-weight: 700;
  background: rgba(74,222,128,.2);
  color: #4ade80;
  padding: 2px 7px;
  border-radius: 20px;
  margin-left: 4px;
}

.st-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
  margin-top: 40px;
  align-items: start;
}
.st-pricing-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px;
  padding: 32px 28px;
  position: relative;
  transition: all .3s;
}
.st-pricing-card:hover {
  border-color: rgba(124,58,237,.35);
  transform: translateY(-4px);
}
.st-pricing-card.featured {
  background: rgba(124,58,237,.1);
  border-color: rgba(124,58,237,.4);
  box-shadow: 0 0 0 1px rgba(124,58,237,.3), 0 20px 60px rgba(124,58,237,.15);
}
.st-pricing-hot-label {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  white-space: nowrap;
}
.st-pricing-tier {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.3px;
  color: var(--text-3);
  margin-bottom: 12px;
}
.st-pricing-card.featured .st-pricing-tier { color: var(--accent-mid); }
.st-price-wrap { display: flex; align-items: flex-end; gap: 4px; margin-bottom: 6px; }
.st-price-amount {
  font-size: 44px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: -2px;
}
.st-price-unit {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-2);
  padding-bottom: 6px;
}
.st-price-period {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 20px;
}
.st-pricing-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.st-pricing-feats { list-style: none; margin: 0 0 28px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.st-pricing-feats li {
  font-size: 13.5px;
  color: var(--text-2);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.st-pricing-feats li::before {
  content: '✓';
  color: var(--accent-mid);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.st-pricing-feats li.unavail { color: var(--text-3); }
.st-pricing-feats li.unavail::before { content: '—'; color: var(--text-3); }
.st-pricing-cta {
  display: block;
  text-align: center;
  width: 100%;
  padding: 12px 20px;
  border-radius: 10px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s;
  border: 1px solid rgba(255,255,255,.15);
  background: transparent;
  color: rgba(255,255,255,.7);
}
.st-pricing-cta:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
}
.st-pricing-card.featured .st-pricing-cta {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(124,58,237,.35);
}
.st-pricing-card.featured .st-pricing-cta:hover {
  background: var(--accent-h);
}

@media (max-width: 900px) {
  .st-pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin-left: auto; margin-right: auto; }
}

/* ══ CTA SECTION ══ */
.st-cta-section {
  background: linear-gradient(135deg, #1a0d2e 0%, #0d1a2e 100%);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.st-cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(124,58,237,.2) 0%, transparent 70%);
  pointer-events: none;
}
.st-cta-inner { position: relative; z-index: 1; max-width: 620px; margin: 0 auto; }
.st-cta-title {
  font-size: clamp(30px,4vw,52px);
  font-weight: 800;
  color: #fff;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 14px;
}
.st-cta-sub {
  font-size: 16px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 36px;
}
.st-cta-form {
  display: flex;
  gap: 10px;
  max-width: 460px;
  margin: 0 auto 16px;
}
.st-cta-input {
  flex: 1;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px;
  padding: 12px 18px;
  font-family: var(--sans);
  font-size: 14px;
  color: #fff;
  outline: none;
  transition: border-color .2s;
}
.st-cta-input::placeholder { color: var(--text-3); }
.st-cta-input:focus { border-color: rgba(124,58,237,.6); }
.st-cta-submit {
  background: var(--accent);
  color: #fff;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all .25s;
  white-space: nowrap;
}
.st-cta-submit:hover { background: var(--accent-h); transform: translateY(-1px); }
.st-cta-note {
  font-size: 12px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
@media (max-width: 576px) {
  .st-cta-form { flex-direction: column; }
  .st-cta-submit { width: 100%; }
}

/* ══ FOOTER ══ */
.st-footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 64px 0 0;
}
.st-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.st-footer-brand .st-logo { font-size: 18px; margin-bottom: 14px; display: flex; align-items: center; }
.st-footer-tagline {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 260px;
}
.st-social-row { display: flex; gap: 10px; }
.st-social-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-2);
  transition: all .2s;
}
.st-social-icon:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.st-footer-col-title {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 18px;
}
.st-footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.st-footer-links a {
  font-size: 14px;
  color: var(--text-2);
  transition: color .2s;
}
.st-footer-links a:hover { color: #fff; }
.st-footer-newsletter { margin-top: 4px; }
.st-newsletter-desc { font-size: 13px; color: var(--text-2); margin-bottom: 14px; line-height: 1.6; }
.st-newsletter-form { display: flex; flex-direction: column; gap: 8px; }
.st-newsletter-input {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--sans);
  font-size: 13px;
  color: #fff;
  outline: none;
  transition: border-color .2s;
}
.st-newsletter-input::placeholder { color: var(--text-3); }
.st-newsletter-input:focus { border-color: rgba(124,58,237,.5); }
.st-newsletter-btn {
  background: var(--accent);
  color: #fff;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background .2s;
}
.st-newsletter-btn:hover { background: var(--accent-h); }
.st-footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.st-footer-copy { font-size: 13px; color: var(--text-3); }
.st-footer-legal { display: flex; gap: 20px; }
.st-footer-legal a { font-size: 13px; color: var(--text-3); transition: color .2s; }
.st-footer-legal a:hover { color: var(--text-2); }
@media (max-width: 900px) {
  .st-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 576px) {
  .st-footer-grid { grid-template-columns: 1fr; }
  .st-footer-bottom { flex-direction: column; text-align: center; }
}

/* ══ ZALO FLOAT ══ */
.st-zalo-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 600;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #0068FF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,104,255,.4);
  transition: transform .2s, box-shadow .2s;
}
.st-zalo-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,104,255,.5);
}
.st-zalo-float svg { width: 28px; height: 28px; }

/* ══ PAGE HERO (inner pages) ══ */
.st-page-hero {
  padding: calc(100px + 48px) 0 64px;
  background: var(--dark2);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.st-page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(124,58,237,.18) 0%, transparent 70%);
  pointer-events: none;
}
.st-ph-inner { position: relative; z-index: 1; }
.st-ph-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--accent-light);
  border: 1px solid rgba(124,58,237,.3);
  color: var(--accent-mid);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.st-ph-title {
  font-size: clamp(30px,4.5vw,56px);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 14px;
}
.st-ph-title em {
  font-style: normal;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.st-ph-sub {
  font-size: clamp(14px,1.5vw,17px);
  font-weight: 300;
  color: var(--text-2);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ══ CONTACT FORM ══ */
.st-contact-form {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px;
  padding: 40px;
}
.st-form-group { margin-bottom: 20px; }
.st-form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  margin-bottom: 8px;
}
.st-form-control {
  width: 100%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 14px;
  color: #fff;
  outline: none;
  transition: border-color .2s;
}
.st-form-control::placeholder { color: var(--text-3); }
.st-form-control:focus { border-color: rgba(124,58,237,.6); background: rgba(255,255,255,.07); }
textarea.st-form-control { resize: vertical; min-height: 120px; }

/* ══ INFO CARDS ══ */
.st-info-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: border-color .3s;
}
.st-info-card:hover { border-color: rgba(124,58,237,.3); }
.st-info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-light);
  border: 1px solid rgba(124,58,237,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.st-info-title { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.st-info-text { font-size: 13px; color: var(--text-2); line-height: 1.6; }

/* ══ PRODUCT PAGE ══ */
.st-feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.st-feature-detail.reverse { direction: rtl; }
.st-feature-detail.reverse > * { direction: ltr; }
.st-feature-visual-box {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px;
  overflow: hidden;
  padding: 32px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.st-feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-light);
  border: 1px solid rgba(124,58,237,.25);
  color: var(--accent-mid);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.st-feature-heading {
  font-size: clamp(22px,2.8vw,34px);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 14px;
}
.st-feature-para {
  font-size: 15px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 20px;
}
.st-feat-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.st-feat-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-2);
}
.st-feat-list li::before {
  content: '→';
  color: var(--accent-mid);
  font-weight: 700;
  flex-shrink: 0;
}
@media (max-width: 900px) {
  .st-feature-detail { grid-template-columns: 1fr; gap: 32px; }
  .st-feature-detail.reverse { direction: ltr; }
}

/* ══ PRICING PAGE EXTRAS ══ */
.st-faq-item {
  border-bottom: 1px solid var(--border-light);
  padding: 24px 0;
}
.st-faq-q {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
}
.st-faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-light);
  border: 1px solid rgba(124,58,237,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--accent-mid);
  flex-shrink: 0;
}
.st-faq-a {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.75;
}

/* ══ COMPARISON TABLE ══ */
.st-compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 40px;
}
.st-compare-table th, .st-compare-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
}
.st-compare-table th {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(255,255,255,.03);
}
.st-compare-table td { color: var(--text-2); }
.st-compare-table td:first-child { color: #fff; font-weight: 500; }
.st-compare-table tr:hover td { background: rgba(124,58,237,.04); }
.st-check { color: var(--accent-mid); font-size: 16px; }
.st-cross { color: var(--text-3); }