:root {
  --bg:#070b12;
  --panel:#0d1420;
  --panel2:#111b2a;
  --line:#233249;
  --text:#f6f8fc;
  --muted:#a9b4c5;
  --cyan:#56e6ff;
  --blue:#4b7cff;
  --violet:#8c5cff;
  --gold:#ffc857;
  --shadow:0 24px 80px rgba(0,0,0,.38)
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth
}
body {
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Be Vietnam Pro",system-ui,sans-serif;
  line-height:1.65
}
a {
  color:inherit
}
img {
  display:block;
  max-width:100%
}
.shell {
  width:min(1160px,calc(100% - 40px));
  margin:auto
}
.nav {
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(7,11,18,.82);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08)
}
.nav-inner {
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between
}
.brand {
  font-weight:800;
  letter-spacing:-.03em;
  font-size:20px
}
.brand i {
  font-style:normal;
  color:var(--cyan)
}
.nav-note {
  font-size:13px;
  color:var(--muted)
}
.btn {
  border:0;
  border-radius:12px;
  padding:14px 24px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#07111c;
  font:800 15px inherit;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  cursor:pointer;
  box-shadow:0 12px 34px rgba(75,124,255,.25);
  transition:.2s
}
.btn:hover {
  transform:translateY(-2px);
  filter:brightness(1.08)
}
.btn-outline {
  background:transparent;
  color:var(--text);
  border:1px solid var(--line);
  box-shadow:none
}
.hero {
  padding:76px 0 54px;
  overflow:hidden;
  position:relative
}
.hero:before {
  content:"";
  position:absolute;
  width:560px;
  height:560px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(75,124,255,.22),transparent 65%);
  top:-220px;
  right:-100px;
  pointer-events:none
}
.hero-grid {
  display:grid;
  grid-template-columns:1.18fr .82fr;
  gap:72px;
  align-items:center
}
.eyebrow {
  display:inline-flex;
  gap:9px;
  align-items:center;
  border:1px solid rgba(86,230,255,.28);
  background:rgba(86,230,255,.07);
  color:var(--cyan);
  padding:8px 12px;
  border-radius:999px;
  font-weight:700;
  font-size:13px
}
.dot {
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 16px var(--cyan)
}
h1,h2,h3,p {
  margin-top:0
}
.hero h1 {
  font-size:clamp(40px,5.6vw,72px);
  line-height:1.08;
  letter-spacing:-.055em;
  margin:24px 0
}
.gradient {
  background:linear-gradient(105deg,#fff 5%,var(--cyan) 50%,#9f7bff 95%);
  -webkit-background-clip:text;
  color:transparent
}
.hero-copy {
  font-size:18px;
  color:var(--muted);
  max-width:690px
}
.hero-actions {
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:30px
}
.micro {
  color:var(--muted);
  font-size:13px;
  margin-top:14px
}
.portrait {
  position:relative
}
.portrait-frame {
  padding:10px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:30px;
  background:linear-gradient(145deg,rgba(255,255,255,.1),rgba(255,255,255,.02));
  box-shadow:var(--shadow)
}
.portrait img {
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  object-position:center top;
  border-radius:21px
}
.float-card {
  position:absolute;
  left:-34px;
  bottom:26px;
  background:rgba(13,20,32,.94);
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px 16px;
  box-shadow:var(--shadow);
  font-size:13px;
  color:var(--muted)
}
.float-card strong {
  display:block;
  color:#fff;
  font-size:18px
}
.stats {
  padding:14px 0 54px
}
.stat-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--panel);
  overflow:hidden
}
.stat {
  padding:23px 26px;
  border-right:1px solid var(--line)
}
.stat:last-child {
  border:0
}
.stat b {
  display:block;
  font-size:21px;
  color:var(--cyan)
}
.stat span {
  color:var(--muted);
  font-size:14px
}
.section {
  padding:86px 0
}
.section.alt {
  background:linear-gradient(180deg,#09101a,#0a111c)
}
.section-head {
  max-width:760px;
  margin-bottom:38px
}
.kicker {
  color:var(--cyan);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.16em;
  font-weight:800
}
.section h2 {
  font-size:clamp(30px,4vw,48px);
  line-height:1.17;
  letter-spacing:-.04em;
  margin:10px 0 14px
}
.lead {
  color:var(--muted);
  font-size:17px
}
.story {
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:70px;
  align-items:start
}
.quote {
  border-left:3px solid var(--cyan);
  padding:4px 0 4px 22px;
  font-size:24px;
  line-height:1.45;
  font-weight:650
}
.story-copy p {
  color:var(--muted);
  margin-bottom:18px
}
.modules {
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px
}
.module {
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px;
  background:linear-gradient(150deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
  transition:.2s
}
.module:hover {
  border-color:rgba(86,230,255,.45);
  transform:translateY(-3px)
}
.module-num {
  color:var(--cyan);
  font:800 12px/1 inherit;
  letter-spacing:.14em
}
.module h3 {
  margin:13px 0 8px;
  font-size:19px
}
.module p {
  color:var(--muted);
  font-size:14px;
  margin:0
}
.module.feature {
  grid-column:1/-1;
  background:linear-gradient(120deg,rgba(75,124,255,.16),rgba(140,92,255,.12))
}
.offer {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px
}
.offer-card,.form-card,.payment-card,.thanks-card {
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:24px;
  padding:32px;
  box-shadow:var(--shadow)
}
.price-old {
  text-decoration:line-through;
  color:#778397
}
.price {
  font-size:52px;
  letter-spacing:-.05em;
  font-weight:900;
  color:var(--gold);
  line-height:1.2
}
.gift {
  margin:18px 0;
  padding:14px;
  border-radius:12px;
  background:rgba(255,200,87,.08);
  border:1px solid rgba(255,200,87,.2);
  color:#ffe1a0
}
.checklist {
  padding:0;
  list-style:none;
  color:var(--muted)
}
.checklist li {
  margin:12px 0;
  padding-left:27px;
  position:relative
}
.checklist li:before {
  content:"✓";
  position:absolute;
  left:0;
  color:var(--cyan);
  font-weight:800
}
.form-card label {
  font-size:14px;
  font-weight:700;
  display:block;
  margin:16px 0 7px
}
.form-card input {
  width:100%;
  border:1px solid var(--line);
  background:#09111d;
  color:#fff;
  border-radius:11px;
  padding:14px 15px;
  font:inherit;
  outline:none
}
.form-card input:focus {
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(86,230,255,.09)
}
.form-card .btn {
  width:100%;
  margin-top:22px
}
.privacy {
  font-size:12px;
  color:#778397;
  text-align:center;
  margin:12px 0 0
}
.faq {
  display:grid;
  gap:12px
}
.faq details {
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:14px;
  padding:18px 20px
}
.faq summary {
  font-weight:750;
  cursor:pointer
}
.faq p {
  color:var(--muted);
  margin:13px 0 0
}
.footer {
  border-top:1px solid var(--line);
  padding:34px 0;
  color:var(--muted);
  font-size:14px
}
.footer-inner {
  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:center
}
.flow-page {
  min-height:100vh;
  background:radial-gradient(circle at 50% 0,rgba(75,124,255,.18),transparent 36%),var(--bg);
  padding:38px 0 60px
}
.flow-head {
  text-align:center;
  margin-bottom:24px
}
.steps {
  display:flex;
  justify-content:center;
  gap:8px;
  margin:18px 0 34px
}
.step {
  font-size:12px;
  color:#748196;
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 11px
}
.step.active {
  color:var(--cyan);
  border-color:rgba(86,230,255,.4);
  background:rgba(86,230,255,.07)
}
.payment-layout {
  display:grid;
  grid-template-columns:.72fr 1.28fr;
  gap:22px;
  max-width:930px;
  margin:auto
}
.order-summary {
  align-self:start
}
.qr {
  background:#fff;
  border-radius:16px;
  padding:12px;
  max-width:320px;
  margin:18px auto
}
.bank-table {
  display:grid;
  gap:10px;
  margin-top:22px
}
.bank-row {
  display:flex;
  justify-content:space-between;
  gap:20px;
  border-bottom:1px solid var(--line);
  padding-bottom:10px;
  color:var(--muted)
}
.bank-row b {
  color:var(--text);
  text-align:right
}
.transfer {
  border:1px dashed rgba(86,230,255,.45);
  background:rgba(86,230,255,.06);
  border-radius:13px;
  padding:14px;
  margin:18px 0;
  color:var(--muted)
}
.transfer strong {
  color:#fff;
  display:block
}
.success-icon {
  width:82px;
  height:82px;
  border-radius:50%;
  display:grid;
  place-items:center;
  margin:0 auto 22px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#07111c;
  font-size:38px;
  font-weight:900
}
.thanks-card {
  max-width:680px;
  margin:auto;
  text-align:center
}
.schedule {
  background:#09111d;
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  margin:24px 0;
  text-align:left
}
.schedule b {
  display:block;
  color:var(--cyan)
}
.zalo {
  width:100%
}
.back {
  display:inline-block;
  margin-top:18px;
  color:var(--muted);
  font-size:14px
}
.toast {
  display:none;
  margin-top:12px;
  color:#ffb4b4;
  font-size:13px
}
.toast.show {
  display:block
}
@media(max-width:820px) {
  .hero {
    padding-top:48px
  }
  .hero-grid,.story,.offer,.payment-layout {
    grid-template-columns:1fr
  }
  .portrait {
    max-width:480px;
    margin:auto
  }
  .float-card {
    left:12px
  }
  .stat-grid {
    grid-template-columns:1fr
  }
  .stat {
    border-right:0;
    border-bottom:1px solid var(--line)
  }
  .modules {
    grid-template-columns:1fr
  }
  .module.feature {
    grid-column:auto
  }
  .section {
    padding:64px 0
  }
  .footer-inner {
    align-items:flex-start;
    flex-direction:column
  }
}
@media(max-width:520px) {
  .shell {
    width:min(100% - 28px,1160px)
  }
  .nav-note {
    display:none
  }
  .hero h1 {
    font-size:39px
  }
  .hero-actions .btn {
    width:100%
  }
  .offer-card,.form-card,.payment-card,.thanks-card {
    padding:22px
  }
  .price {
    font-size:42px
  }
  .bank-row {
    display:block
  }
  .bank-row b {
    display:block;
    text-align:left;
    margin-top:2px
  }
  .section {
    padding:54px 0
  }
}
