:root {
  --bg: #081017;
  --bg-soft: #0d151d;
  --panel: rgba(16, 24, 34, 0.88);
  --panel-strong: rgba(12, 18, 25, 0.94);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(82, 224, 203, 0.18);
  --text: #eef7f7;
  --muted: #9eb1ba;
  --mint: #52e0cb;
  --mint-strong: #19c7b7;
  --amber: #ffb454;
  --amber-soft: #ffd59c;
  --danger: #ff8c8c;
  --success: #64d9b6;
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.34);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --content-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(82, 224, 203, 0.12), transparent 26%),
    radial-gradient(circle at bottom right, rgba(255, 180, 84, 0.10), transparent 24%),
    linear-gradient(180deg, #071016 0%, #0b1219 44%, #0d151d 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(255,255,255,0.55), transparent 92%);
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  width: min(var(--content-width), calc(100vw - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  background: rgba(7, 12, 16, 0.64);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header__inner {
  width: min(var(--content-width), calc(100vw - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand__mark {
  width: 46px;
  height: 46px;
  border-radius: 15px;
  background:
    linear-gradient(145deg, rgba(22, 53, 65, 0.98), rgba(15, 22, 29, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.24);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.brand__mark::after {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--amber);
}

.brand__mark span {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.06em;
}

.brand__copy strong {
  display: block;
  font-size: 16px;
  font-weight: 900;
}

.brand__copy span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  transition: 180ms ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.hero {
  padding: 52px 0 24px;
}

.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top right, rgba(255, 180, 84, 0.18), transparent 28%),
    radial-gradient(circle at 20% 18%, rgba(82, 224, 203, 0.14), transparent 22%),
    linear-gradient(145deg, rgba(11, 21, 28, 0.96), rgba(16, 23, 31, 0.98) 48%, rgba(27, 26, 18, 0.94));
  box-shadow: var(--shadow);
}

.hero-card::before,
.hero-card::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.hero-card::before {
  width: 720px;
  height: 720px;
  right: -260px;
  top: -340px;
  border: 1px solid rgba(255, 196, 124, 0.20);
}

.hero-card::after {
  width: 740px;
  height: 740px;
  left: -210px;
  bottom: -420px;
  border: 1px solid rgba(82, 224, 203, 0.18);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  padding: 42px;
}

.hero__eyebrow,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(82, 224, 203, 0.12), rgba(255, 180, 84, 0.10));
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: var(--amber-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__title {
  margin: 22px 0 14px;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.hero__title .text-gradient {
  background: linear-gradient(135deg, #68f0df 0%, #c7f4db 46%, #ffc16e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__body {
  max-width: 660px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  gap: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 18px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  color: #081017;
  background: linear-gradient(90deg, var(--mint-strong), var(--amber));
  box-shadow: 0 16px 30px rgba(25, 199, 183, 0.16);
}

.button--ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.hero-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel,
.doc-card,
.card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-panel__stats {
  padding: 18px;
}

.hero-panel__stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.stat {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stat strong {
  display: block;
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 6px;
}

.stat span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
}

.hero-panel__visual {
  position: relative;
  min-height: 340px;
  padding: 18px;
  overflow: hidden;
}

.hero-panel__visual::before {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(7, 16, 23, 0.06), rgba(7, 16, 23, 0.58)),
    url("../assets/images/vip_background_banner.jpg") center / cover no-repeat;
  opacity: 0.86;
}

.floating-tag {
  position: absolute;
  z-index: 1;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(7, 16, 23, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.floating-tag--top {
  left: 22px;
  top: 20px;
  color: var(--amber-soft);
}

.floating-tag--side {
  right: 20px;
  top: 22px;
  color: #bcfff7;
}

.hero-panel__copy {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 24px;
  z-index: 1;
}

.hero-panel__copy strong {
  display: block;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.05;
}

.hero-panel__copy p {
  margin: 10px 0 0;
  max-width: 340px;
  color: rgba(238, 247, 247, 0.78);
  font-size: 13px;
  line-height: 1.6;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.section {
  padding: 24px 0;
}

.section__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 20px;
}

.section__header h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.section__header p {
  margin: 10px 0 0;
  max-width: 640px;
  color: var(--muted);
  line-height: 1.7;
}

.mosaic {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.mosaic__stack {
  display: grid;
  gap: 18px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  padding: 22px;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -26px;
  width: 140px;
  height: 140px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(82, 224, 203, 0.20), transparent 72%);
}

.feature-card h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.feature-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.feature-card--large {
  min-height: 280px;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0.08)),
    linear-gradient(145deg, rgba(13, 39, 44, 0.94), rgba(17, 24, 31, 0.96) 60%, rgba(33, 28, 18, 0.94));
}

.feature-card--medium {
  min-height: 132px;
}

.feature-card--horizontal {
  display: grid;
  grid-template-columns: 170px 1fr;
  align-items: center;
  gap: 20px;
  min-height: 180px;
}

.feature-card__badge {
  display: inline-block;
  padding: 8px 12px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(82, 224, 203, 0.14), rgba(255, 180, 84, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: var(--amber-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.feature-card__visual {
  min-height: 100%;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(7,16,23,0.04), rgba(7,16,23,0.22)),
    url("../assets/images/sample_female1.webp") center / cover no-repeat;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.stack-list {
  display: grid;
  gap: 14px;
}

.stack-item {
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.03);
}

.stack-item strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 8px;
}

.stack-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.doc-hero {
  padding: 46px 0 24px;
}

.doc-frame {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 22px;
  align-items: start;
}

.doc-side {
  position: sticky;
  top: 96px;
  padding: 22px;
}

.doc-side h1 {
  margin: 14px 0 10px;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.05em;
}

.doc-side p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.doc-meta {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.doc-meta__item {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.doc-meta__item strong {
  display: block;
  color: var(--amber-soft);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.doc-meta__item span {
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

.doc-card {
  padding: 28px;
}

.doc-intro {
  padding: 22px;
  border-radius: 20px;
  margin-bottom: 18px;
  background: linear-gradient(90deg, rgba(82, 224, 203, 0.10), rgba(255, 180, 84, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(238, 247, 247, 0.92);
  line-height: 1.75;
}

.doc-section {
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.doc-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.doc-section h2 {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.doc-section h3 {
  margin: 22px 0 10px;
  font-size: 16px;
  color: var(--amber-soft);
}

.doc-section p,
.doc-section li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.doc-section ul,
.doc-section ol {
  margin: 12px 0 0;
  padding-left: 22px;
}

.doc-section li + li {
  margin-top: 8px;
}

.doc-highlight {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(82, 224, 203, 0.14);
}

.doc-highlight strong {
  color: var(--text);
}

.footer {
  padding: 22px 0 42px;
  color: var(--muted);
}

.footer__panel {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer__links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.footer__links a {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 980px) {
  .hero-grid,
  .mosaic,
  .doc-frame,
  .cards-grid,
  .feature-card--horizontal {
    grid-template-columns: 1fr;
  }

  .doc-side {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-header__inner {
    padding: 12px 0;
    min-height: auto;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-grid,
  .doc-card,
  .doc-side {
    padding: 20px;
  }

  .hero-card,
  .panel,
  .doc-card {
    border-radius: 24px;
  }

  .hero-panel__stats-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    width: 100%;
  }

  .nav a {
    flex: 1 1 auto;
    text-align: center;
  }
}
