:root {
  color-scheme: dark;
  --bg: #08090d;
  --panel: #12141b;
  --panel-strong: #191b24;
  --text: #f7f0e8;
  --muted: #b8b1aa;
  --line: rgba(255, 255, 255, 0.14);
  --red: #ff3158;
  --gold: #ffd166;
  --teal: #26f5d1;
  --blue: #3b82ff;
  --pink: #ff4fd8;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 49, 88, 0.18), transparent 34%),
    radial-gradient(circle at 84% 16%, rgba(38, 245, 209, 0.13), transparent 30%),
    var(--bg);
  color: var(--text);
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 56px);
  background: linear-gradient(180deg, rgba(8, 9, 13, 0.88), rgba(8, 9, 13, 0));
}

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

.brand {
  font-weight: 800;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(38, 245, 209, 0.7);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--red), var(--pink));
  color: white;
  font-size: 13px;
  box-shadow: 0 0 28px rgba(255, 49, 88, 0.42);
  transform: rotate(-4deg);
}

nav a {
  color: var(--muted);
  font-size: 14px;
}

nav a:hover {
  color: var(--text);
}

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 110px clamp(18px, 5vw, 72px) 42px;
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(8, 9, 13, 0.97) 0%, rgba(8, 9, 13, 0.74) 44%, rgba(8, 9, 13, 0.18) 100%),
    linear-gradient(180deg, rgba(8, 9, 13, 0.16) 0%, #08090d 100%);
}

.hero-content {
  position: relative;
  width: min(760px, 100%);
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  border: 1px solid rgba(255, 209, 102, 0.5);
  border-radius: 999px;
  padding: 7px 11px;
  background: rgba(255, 209, 102, 0.1);
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 14px;
  transform: rotate(-1deg);
}

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

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 1.03;
  letter-spacing: 0;
  text-shadow: 0 0 34px rgba(255, 49, 88, 0.2);
}

h2 {
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
  margin-bottom: 0;
}

h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.hero-copy,
.form-copy p,
.price-card p,
.pain-grid p,
.module-list p,
.lesson-notes p,
.site-footer {
  color: var(--muted);
  line-height: 1.75;
}

.hero-copy {
  max-width: 650px;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 20px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px) rotate(-1deg);
}

.primary {
  background: linear-gradient(135deg, var(--red), var(--pink));
  color: white;
  box-shadow: 0 14px 36px rgba(255, 49, 88, 0.28);
}

.ghost,
.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.full {
  width: 100%;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 660px;
  margin: 42px 0 0;
}

.signal-strip div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: rgba(18, 20, 27, 0.74);
  backdrop-filter: blur(12px);
  transition: transform 160ms ease, border-color 160ms ease;
}

.signal-strip div:hover,
.pain-grid article:hover,
.price-card:hover,
.module-list article:hover {
  border-color: rgba(38, 245, 209, 0.44);
  transform: translateY(-3px);
}

.signal-strip dt {
  color: var(--text);
  font-size: 22px;
  font-weight: 900;
}

.signal-strip dd {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 86px clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.pain-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pain-grid article,
.price-card,
.lesson-panel,
.module-list article,
.waitlist-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: transform 160ms ease, border-color 160ms ease;
}

.pain-grid article {
  min-height: 210px;
  padding: 24px;
}

.card-index {
  display: inline-flex;
  margin-bottom: 16px;
  border-bottom: 3px solid var(--pink);
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

.preview-section,
.form-section {
  background:
    linear-gradient(135deg, rgba(255, 49, 88, 0.08), transparent 32%),
    #0e1118;
}

.lesson-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 16px;
}

.lesson-panel {
  overflow: hidden;
}

.caption-bar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: linear-gradient(90deg, #20232d, rgba(255, 49, 88, 0.24));
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.dialogue {
  padding: 40px 28px;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(255, 49, 88, 0.3), rgba(38, 245, 209, 0.12)),
    repeating-linear-gradient(-8deg, rgba(255, 255, 255, 0.06) 0 2px, transparent 2px 18px);
  font-size: clamp(30px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.2;
}

.lesson-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.lesson-notes div {
  padding: 22px;
  background: var(--panel);
}

.lesson-notes strong {
  color: var(--teal);
}

.module-list {
  display: grid;
  gap: 16px;
}

.module-list article {
  padding: 22px;
}

.price-card {
  padding: 26px;
}

.price-card.featured {
  border-color: rgba(255, 209, 102, 0.72);
  background:
    linear-gradient(180deg, rgba(255, 209, 102, 0.14), rgba(255, 79, 216, 0.08)),
    var(--panel);
}

.price-name {
  color: var(--teal);
  font-weight: 900;
}

.price {
  margin: 8px 0 12px;
  color: var(--text);
  font-size: 38px;
  font-weight: 900;
  text-shadow: 0 0 22px rgba(38, 245, 209, 0.22);
}

.form-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1.2fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
}

.form-copy {
  position: sticky;
  top: 110px;
}

.waitlist-form {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 4vw, 32px);
}

label,
legend {
  color: var(--text);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b0d12;
  color: var(--text);
  font: inherit;
  padding: 13px 14px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(38, 245, 209, 0.1);
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.chip-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.05);
  font-weight: 700;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.chip-grid label:hover {
  border-color: rgba(255, 79, 216, 0.54);
  background: rgba(255, 79, 216, 0.09);
}

.chip-grid input {
  width: auto;
  margin: 0;
}

.form-status {
  min-height: 28px;
  margin: 0;
  color: var(--teal);
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: #06070a;
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 880px) {
  .site-header {
    position: absolute;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 92px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(8, 9, 13, 0.78) 0%, rgba(8, 9, 13, 0.94) 58%, #08090d 100%),
      linear-gradient(90deg, rgba(8, 9, 13, 0.82), rgba(8, 9, 13, 0.46));
  }

  .pain-grid,
  .pricing-grid,
  .lesson-layout,
  .form-section {
    grid-template-columns: 1fr;
  }

  .lesson-notes {
    grid-template-columns: 1fr;
  }

  .form-copy {
    position: static;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 40px;
  }

  .hero-actions,
  .signal-strip,
  .chip-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .site-footer {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}