:root {
  --primary: #ff6b35;
  --primary-light: #ff8a5b;
  --secondary: #3b82f6;
  --success: #10b981;
  --background: #0f172a;
  --surface: rgba(30, 41, 59, 0.58);
  --surface-strong: #1e293b;
  --surface-light: #334155;
  --border: rgba(148, 163, 184, 0.24);
  --text: #f8fafc;
  --muted: #94a3b8;
  --muted-strong: #cbd5e1;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 107, 53, 0.15), transparent 30%),
    radial-gradient(circle at 85% 20%, rgba(59, 130, 246, 0.14), transparent 26%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 52%, #0f172a 100%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

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

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

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(51, 65, 85, 0.72);
  background: rgba(15, 23, 42, 0.86);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #e85d2c);
  box-shadow: 0 12px 32px rgba(255, 107, 53, 0.24);
  color: white;
  font-weight: 900;
}

.brand-text,
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted-strong);
  font-size: 0.94rem;
}

.nav-links a {
  transition: color 180ms ease;
}

.nav-links a:hover {
  color: white;
}

.hero {
  padding-top: 112px;
}

.hero-grid,
.split,
.status-grid,
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
}

.hero-copy h1,
.section-heading h2,
.split h2,
.status-panel h2,
.final-card h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.05;
}

.hero-copy h1 {
  max-width: 720px;
  font-size: clamp(2.7rem, 6vw, 4.9rem);
}

.hero-copy h1 span {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted-strong);
  font-size: clamp(1.06rem, 2vw, 1.24rem);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary-light);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button-primary,
.button-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 14px;
  padding: 12px 20px;
  font-weight: 750;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), #ea580c);
  box-shadow: 0 16px 36px rgba(255, 107, 53, 0.22);
}

.button-outline {
  border: 2px solid var(--primary);
  color: var(--primary-light);
}

.button-primary:hover,
.button-outline:hover {
  transform: translateY(-2px);
}

.button-outline:hover {
  background: rgba(255, 107, 53, 0.1);
}

.hero-media {
  position: relative;
  max-width: 520px;
  justify-self: end;
}

.hero-media img {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 34px 80px rgba(2, 6, 23, 0.42);
}

.image-glow {
  position: absolute;
  inset: -22px;
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.22), rgba(59, 130, 246, 0.22));
  filter: blur(28px);
}

.copy-block p {
  margin: 0 0 18px;
  color: var(--muted-strong);
  font-size: 1.05rem;
}

.feature-band,
.demo-band {
  background: rgba(30, 41, 59, 0.3);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading h2,
.split h2,
.status-panel h2,
.final-card h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.section-heading p:not(.eyebrow) {
  margin: 14px auto 0;
  max-width: 680px;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.card,
.status-panel,
.demo-card,
.final-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 22px 50px rgba(2, 6, 23, 0.25);
}

.card {
  padding: 24px;
  min-height: 240px;
}

.card h3,
.demo-card h3 {
  margin: 18px 0 8px;
  font-size: 1.2rem;
}

.card p,
.demo-card p,
.status-panel p,
.final-card p {
  color: var(--muted);
}

.icon {
  width: 50px;
  height: 50px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), #ea580c);
  font-size: 1.2rem;
  font-weight: 900;
}

.status-panel {
  padding: 32px;
}

.status-panel-alt {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(59, 130, 246, 0.12));
  border-color: rgba(255, 107, 53, 0.28);
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stack-list span {
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.46);
  color: var(--muted-strong);
  padding: 10px 14px;
  font-size: 0.96rem;
}

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

.demo-card {
  overflow: hidden;
}

.demo-card img,
.mock-screen {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.18), rgba(59, 130, 246, 0.2));
  border-bottom: 1px solid var(--border);
}

.demo-card h3,
.demo-card p {
  padding: 0 22px;
}

.demo-card p {
  margin-bottom: 22px;
}

.mock-screen {
  position: relative;
  overflow: hidden;
  padding: 18px;
  background:
    radial-gradient(circle at top left, rgba(255, 107, 53, 0.22), transparent 34%),
    linear-gradient(135deg, #111827, #1e293b 54%, #0f172a);
}

.mock-topbar {
  display: flex;
  gap: 7px;
  margin-bottom: 16px;
}

.mock-topbar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(248, 250, 252, 0.3);
}

.mock-dashboard-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 10px;
}

.mock-stat {
  min-height: 66px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.62);
  padding: 12px;
}

.mock-stat.wide {
  grid-row: span 2;
  min-height: 144px;
}

.mock-stat strong,
.generate-row strong {
  display: block;
  color: #f8fafc;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mock-stat em {
  display: block;
  margin-top: 8px;
  color: var(--primary-light);
  font-size: 1.08rem;
  font-style: normal;
  font-weight: 800;
}

.mock-bars {
  height: 86px;
  display: flex;
  align-items: end;
  gap: 8px;
  margin-top: 18px;
}

.mock-bars span {
  flex: 1;
  min-height: 20px;
  border-radius: 999px 999px 4px 4px;
  background: linear-gradient(180deg, var(--primary-light), var(--primary));
}

.workout-preview {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.workout-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  border: 1px solid rgba(255, 107, 53, 0.34);
  border-radius: 999px;
  background: rgba(255, 107, 53, 0.13);
  color: #fed7aa;
  padding: 6px 10px;
  font-size: 0.72rem;
  font-weight: 800;
}

.exercise-list {
  display: grid;
  gap: 8px;
}

.exercise-list span {
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.62);
  color: var(--muted-strong);
  padding: 9px 10px;
  font-size: 0.84rem;
}

.generate-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #ea580c);
  padding: 10px 12px;
}

.generate-row span {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
}

.final-note {
  padding-top: 72px;
}

.final-card {
  max-width: 860px;
  margin: 0 auto;
  padding: 34px;
  text-align: center;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(59, 130, 246, 0.1));
  border-color: rgba(255, 107, 53, 0.28);
}

.site-footer {
  border-top: 1px solid rgba(51, 65, 85, 0.72);
  padding: 30px 0;
}

.footer-inner {
  align-items: end;
}

.footer-inner p {
  margin: 6px 0 0;
  color: var(--muted);
}

.footer-domain {
  justify-self: end;
}

@media (max-width: 920px) {
  .hero-grid,
  .split,
  .status-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-media {
    justify-self: start;
    max-width: 560px;
  }

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

  .footer-domain {
    justify-self: start;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 24px, var(--max));
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    padding-top: 84px;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 14px 0;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    gap: 16px;
    padding-bottom: 4px;
  }

  .hero-actions,
  .button-primary,
  .button-outline {
    width: 100%;
  }

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

  .card {
    min-height: auto;
  }

  .status-panel,
  .final-card {
    padding: 24px;
  }
}