:root {
  --bg: #0b1017;
  --surface: #121a24;
  --surface-2: #182333;
  --surface-3: #eef5f8;
  --text: #f7fafc;
  --dark: #101723;
  --muted: #aab6c5;
  --ink-muted: #516172;
  --line: rgba(255, 255, 255, 0.12);
  --line-dark: rgba(16, 23, 35, 0.12);
  --accent: #ff4f64;
  --accent-2: #35d2a0;
  --accent-3: #ffd166;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #0b1017 0%, #101723 46%, #f3f7fa 46%, #f3f7fa 100%);
  line-height: 1.6;
}

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

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

button,
div[role="button"] {
  font: inherit;
}

button {
  color: inherit;
}

.container {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 16, 23, 0.92);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand span {
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.nav-links a {
  transition: color 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  outline: none;
}

.hero {
  padding: 82px 0 88px;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(255, 79, 100, 0.18), transparent 38%),
    linear-gradient(225deg, rgba(53, 210, 160, 0.16), transparent 42%),
    var(--bg);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 28px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.detail-panel,
.feature-card,
.faq-item,
.stats-grid div {
  border-radius: 8px;
}

.hero-copy {
  padding: 38px;
  border: 1px solid var(--line);
  background: rgba(18, 26, 36, 0.78);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(3.8rem, 10vw, 8.6rem);
  line-height: 0.92;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.16rem;
  line-height: 1.22;
}

.hero-text {
  max-width: 760px;
  margin-bottom: 30px;
  color: rgba(247, 250, 252, 0.82);
  font-size: clamp(1.02rem, 1.7vw, 1.22rem);
}

.watch-button {
  width: min(100%, 470px);
  min-height: 104px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 30px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: linear-gradient(135deg, #ff4f64 0%, #ffd166 54%, #35d2a0 100%);
  color: #111827;
  cursor: pointer;
  box-shadow: 0 22px 54px rgba(255, 79, 100, 0.24);
  transition: transform 170ms ease, box-shadow 170ms ease, filter 170ms ease;
}

.watch-button:hover,
.watch-button:focus-visible {
  outline: none;
  transform: translateY(-3px);
  filter: saturate(1.06);
  box-shadow: 0 28px 68px rgba(255, 79, 100, 0.34), 0 0 0 4px rgba(255, 255, 255, 0.12);
}

.watch-button span {
  width: 100%;
  text-align: center;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.14;
  overflow-wrap: anywhere;
}

.hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.hero-panel img {
  width: 190px;
  height: 190px;
  margin-bottom: 24px;
  object-fit: contain;
}

.hero-panel p {
  color: rgba(247, 250, 252, 0.78);
  font-size: 1.02rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.tag-row span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: rgba(247, 250, 252, 0.86);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
  font-weight: 800;
}

.section {
  padding: 76px 0;
  color: var(--dark);
  background: #f3f7fa;
}

.intro-band,
.detail-band {
  background: #eef5f8;
}

.split-layout,
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 32px;
  align-items: start;
}

.copy-block p,
.section-heading p:not(.eyebrow),
.detail-panel p,
.feature-card p,
.faq-answer,
.footer-grid p,
.footer-grid address,
.footer-bottom {
  color: var(--ink-muted);
}

.copy-block p:last-child,
.detail-panel p:last-child,
.feature-card p:last-child,
.faq-answer p {
  margin-bottom: 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 30px;
}

.section .eyebrow {
  color: #168567;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line-dark);
  background: #ffffff;
  box-shadow: 0 18px 34px rgba(16, 23, 35, 0.06);
}

.feature-card span {
  display: inline-flex;
  margin-bottom: 28px;
  color: #c44452;
  font-weight: 900;
}

.detail-panel {
  padding: 30px;
  border: 1px solid var(--line-dark);
  background: #ffffff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.stats-grid div {
  min-height: 150px;
  padding: 24px;
  border: 1px solid var(--line-dark);
  background: #ffffff;
}

.stats-grid strong {
  display: block;
  margin-bottom: 12px;
  color: #c44452;
  font-size: 2rem;
  line-height: 1;
}

.stats-grid span {
  display: block;
  color: var(--ink-muted);
  font-weight: 700;
}

.faq-wrap {
  max-width: 900px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line-dark);
  background: #ffffff;
}

.faq-question {
  width: 100%;
  padding: 20px 22px;
  border: 0;
  background: transparent;
  color: var(--dark);
  text-align: left;
  cursor: pointer;
  font-weight: 900;
  font-size: 1rem;
}

.faq-question::after {
  content: "+";
  float: right;
  color: #168567;
  font-size: 1.25rem;
  line-height: 1;
}

.faq-item.active .faq-question::after {
  content: "-";
}

.faq-answer {
  display: none;
  padding: 0 22px 20px;
}

.faq-item.active .faq-answer {
  display: block;
}

.site-footer {
  padding: 58px 0 26px;
  color: var(--text);
  background: #0b1017;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 1fr;
  gap: 34px;
}

.footer-grid h2 {
  margin-bottom: 16px;
  color: var(--text);
  font-size: 1rem;
}

.footer-grid a:not(.brand) {
  display: block;
  width: fit-content;
  margin-bottom: 8px;
  color: var(--muted);
}

.footer-grid a:hover,
.footer-grid a:focus-visible {
  color: var(--text);
  outline: none;
}

.footer-brand {
  margin-bottom: 14px;
}

address {
  font-style: normal;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 1040px) {
  .hero-layout,
  .split-layout,
  .detail-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .header-inner {
    min-height: 66px;
  }

  .nav-links {
    display: none;
  }

  .brand {
    font-size: 1.18rem;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .hero {
    padding: 48px 0 58px;
  }

  .hero-copy,
  .hero-panel,
  .detail-panel {
    padding: 22px;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 4.8rem);
  }

  .watch-button {
    min-height: 88px;
    padding: 18px 20px;
  }

  .section {
    padding: 56px 0;
  }

  .feature-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .stats-grid div {
    min-height: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }
}