:root {
  --bg: #f7f8fe;
  --bg-deep: #eef2ff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.95);
  --line: rgba(78, 92, 154, 0.12);
  --line-strong: rgba(78, 92, 154, 0.2);
  --text: #172042;
  --muted: #5e6b93;
  --accent: #635bff;
  --accent-2: #00d4ff;
  --accent-3: #9f7aea;
  --success: #72e6b8;
  --shadow: 0 28px 60px rgba(52, 72, 132, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --max-width: 1180px;
}

[data-theme="dark"] {
  --bg: #0a1233;
  --bg-deep: #070b1f;
  --surface: rgba(13, 22, 57, 0.72);
  --surface-strong: rgba(16, 27, 69, 0.9);
  --line: rgba(173, 196, 255, 0.14);
  --line-strong: rgba(173, 196, 255, 0.24);
  --text: #eef4ff;
  --muted: #a6b3d6;
  --shadow: 0 30px 90px rgba(5, 9, 24, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 14% 10%, rgba(99, 91, 255, 0.14), transparent 28%),
    radial-gradient(circle at 84% 0%, rgba(0, 212, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #f5f7ff 0%, #f8fbff 24%, #f7f8fe 54%, #eef2ff 100%);
}

[data-theme="dark"] body {
  background:
    radial-gradient(circle at 14% 10%, rgba(99, 91, 255, 0.34), transparent 28%),
    radial-gradient(circle at 84% 0%, rgba(0, 212, 255, 0.18), transparent 24%),
    linear-gradient(180deg, #16214d 0%, #0d1335 24%, #0a112d 54%, #070b1f 100%);
}

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.9) 0 22%, transparent 22% 100%),
    linear-gradient(120deg, transparent 0 62%, rgba(0, 212, 255, 0.06) 62% 72%, transparent 72% 100%);
  mask-image: linear-gradient(180deg, black, rgba(0, 0, 0, 0.35));
}

[data-theme="dark"] .site-bg {
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.06) 0 22%, transparent 22% 100%),
    linear-gradient(120deg, transparent 0 62%, rgba(0, 212, 255, 0.08) 62% 72%, transparent 72% 100%);
}

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

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding-bottom: 48px;
}

.section {
  padding: 56px 0;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: white;
  font-weight: 800;
}

.brand-copy {
  display: grid;
}

.brand-copy strong {
  font-size: 0.96rem;
  letter-spacing: 0.12em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.menu-toggle {
  display: none;
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  font: inherit;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 42px;
  padding: 0 14px 0 12px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-2px);
}

.theme-toggle-text {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.theme-toggle-icon {
  position: relative;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffd86b 0%, #ffb347 100%);
  box-shadow: inset -4px -4px 0 rgba(255, 255, 255, 0.45);
}

.theme-toggle-icon::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  transform: scale(0);
  transition: transform 180ms ease;
}

[data-theme="dark"] .theme-toggle {
  background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .theme-toggle-icon {
  background: linear-gradient(135deg, #b8c2ff 0%, #7aa7ff 100%);
  box-shadow: none;
}

[data-theme="dark"] .theme-toggle-icon::after {
  transform: scale(1);
}

.hero {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: 38px;
  align-items: center;
  min-height: calc(100vh - 140px);
}

.announcement-pill {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin-bottom: 20px;
  padding: 0 16px;
  border: 1px solid rgba(78, 92, 154, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: #33406b;
  font-size: 0.9rem;
}

[data-theme="dark"] .announcement-pill {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: #d6dbff;
}

[data-theme="dark"] .site-nav a {
  color: #e7eeff;
}

[data-theme="dark"] .site-nav a:hover,
[data-theme="dark"] .site-nav a:focus-visible {
  color: #ffffff;
}

.eyebrow {
  margin-bottom: 20px;
  color: #5060d7;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

[data-theme="dark"] .eyebrow,
[data-theme="dark"] .card-label,
[data-theme="dark"] .card-kicker,
[data-theme="dark"] .showcase-item span {
  color: #9fdcff;
}

.hero h1,
.section-heading h2,
.metrics-copy h2,
.cta-copy h2 {
  font-family: "Source Serif 4", Georgia, serif;
}

.hero h1 {
  max-width: 10.5ch;
  font-size: clamp(3.8rem, 8vw, 6.6rem);
}

.hero-text {
  max-width: 56ch;
  margin-top: 24px;
  font-size: 1.07rem;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #7a73ff 44%, var(--accent-2) 100%);
  color: white;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.72);
}

[data-theme="dark"] .button-secondary {
  background: rgba(255, 255, 255, 0.04);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 620px;
  margin-top: 30px;
}

.proof-item {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
}

[data-theme="dark"] .proof-item {
  background: rgba(255, 255, 255, 0.04);
}

.proof-item strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.proof-item span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.hero-visual {
  position: relative;
  min-height: 620px;
}

.hero-tilt-card {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

[data-theme="dark"] .hero-tilt-card {
  background: rgba(13, 22, 57, 0.72);
}

.hero-card-main {
  inset: 60px 20px 40px 40px;
  overflow: hidden;
  transform: rotate(-6deg);
}

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

.hero-card-small {
  width: 240px;
  padding: 18px;
  transform: rotate(5deg);
}

.hero-card-top {
  top: 32px;
  right: 8px;
}

.hero-card-bottom {
  right: 0;
  bottom: 24px;
}

.card-label,
.card-kicker {
  display: inline-flex;
  margin-bottom: 12px;
  color: #5060d7;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-card-small strong {
  display: block;
  line-height: 1.45;
}

.logo-rail {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
}

.logo-rail span {
  display: grid;
  place-items: center;
  min-height: 54px;
  border-radius: 18px;
  border: 1px solid rgba(78, 92, 154, 0.08);
  background: rgba(255, 255, 255, 0.68);
  color: #33406b;
  font-size: 0.92rem;
  font-weight: 600;
}

[data-theme="dark"] .logo-rail span {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: #d9e5ff;
}

.section-surface,
.metrics-panel,
.cta-panel,
.showcase-list,
.showcase-stage,
.feature-card,
.value-card {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.section-surface {
  padding: 34px;
  border-radius: 36px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 28px;
}

.section-heading h2,
.metrics-copy h2,
.cta-copy h2 {
  font-size: clamp(2.4rem, 5vw, 4.3rem);
}

.section-copy {
  max-width: 62ch;
  margin-top: 18px;
}

.feature-grid,
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card,
.value-card {
  padding: 28px;
  border-radius: 28px;
}

.feature-card h3,
.value-card h3,
.showcase-caption h3 {
  margin-bottom: 14px;
  font-size: 1.65rem;
}

.feature-card p,
.value-card p {
  margin-bottom: 18px;
}

.feature-card li {
  position: relative;
  padding-left: 18px;
  color: var(--text);
  margin-top: 12px;
}

.feature-card li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.showcase-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 22px;
}

.showcase-list,
.showcase-stage {
  border-radius: 30px;
}

.showcase-list {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.showcase-item {
  width: 100%;
  padding: 18px 18px 20px;
  border: 1px solid transparent;
  border-radius: 22px;
  background: rgba(247, 249, 255, 0.92);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

[data-theme="dark"] .showcase-item {
  background: rgba(255, 255, 255, 0.03);
}

.showcase-item:hover,
.showcase-item:focus-visible,
.showcase-item.is-active {
  transform: translateY(-2px);
  border-color: rgba(159, 122, 234, 0.35);
  background: rgba(99, 91, 255, 0.1);
}

.showcase-item span,
.showcase-item strong,
.showcase-item small {
  display: block;
}

.showcase-item span {
  margin-bottom: 12px;
  color: #5060d7;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.showcase-item strong {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.showcase-item small {
  color: var(--muted);
  line-height: 1.6;
}

.showcase-stage {
  display: grid;
  gap: 18px;
  padding: 20px;
}

.showcase-media {
  min-height: 380px;
  border-radius: 24px;
  overflow: hidden;
  background: rgba(243, 246, 255, 0.92);
}

[data-theme="dark"] .showcase-media {
  background: rgba(255, 255, 255, 0.04);
}

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

.metrics-panel {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  padding: 34px;
  border-radius: 36px;
}

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

.metric-box {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(248, 250, 255, 0.92);
}

[data-theme="dark"] .metric-box {
  background: rgba(255, 255, 255, 0.04);
}

.metric-box strong {
  display: block;
  margin-bottom: 10px;
  color: var(--text);
}

.metric-box span {
  color: var(--muted);
  line-height: 1.6;
}

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

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px;
  border-radius: 36px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 10px;
  padding: 28px 0 8px;
  color: var(--muted);
  border-top: 1px solid rgba(78, 92, 154, 0.12);
}

[data-theme="dark"] .site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .menu-toggle {
    display: inline-flex;
  }

  .theme-toggle {
    margin-left: 0;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    flex-direction: column;
    align-items: stretch;
    min-width: 220px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

  [data-theme="dark"] .site-nav {
    background: rgba(8, 12, 33, 0.96);
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero,
  .feature-grid,
  .showcase-layout,
  .metrics-panel,
  .values-grid,
  .cta-panel {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .logo-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero {
    min-height: auto;
    padding-top: 26px;
  }

  .hero-visual {
    min-height: 540px;
  }

  .cta-panel,
  .site-footer {
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .section {
    padding: 38px 0;
  }

  .brand-copy span {
    display: none;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  .hero-proof,
  .logo-rail,
  .feature-grid,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .section-surface,
  .metrics-panel,
  .cta-panel,
  .feature-card,
  .value-card {
    padding: 24px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .hero-card-main {
    inset: 52px 10px 36px 16px;
  }

  .hero-card-small {
    width: 190px;
    padding: 14px;
  }

  .hero-card-top {
    top: 8px;
  }

  .hero-card-bottom {
    bottom: 10px;
  }

  .showcase-stage {
    padding: 16px;
  }

  .showcase-media {
    min-height: 250px;
  }
}