*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: #0f172a;
  background: radial-gradient(circle at top, #f5f3ff 0, #0f172a 70%);
  background-attachment: fixed;
}

:root {
  --bg-surface: rgba(15, 23, 42, 0.88);
  --bg-surface-soft: rgba(15, 23, 42, 0.94);
  --bg-elevated: rgba(15, 23, 42, 0.9);
  --accent: #a855f7;
  --accent-soft: rgba(168, 85, 247, 0.12);
  --accent-strong: #e9d5ff;
  --accent-gold: #fbbf24;
  --text-soft: #cbd5f5;
  --text-muted: #9ca3af;
  --border-subtle: rgba(148, 163, 184, 0.35);
  --blur-soft: 18px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --shadow-soft: 0 28px 80px rgba(15, 23, 42, 0.78);
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background:
    radial-gradient(circle at top, rgba(129, 140, 248, 0.18), transparent) 0 0 /
      140% 140% no-repeat,
    linear-gradient(to bottom, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.7));
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(
    circle at 30% 0%,
    #fbbf24,
    #a855f7 55%,
    #0f172a 100%
  );
  color: #fefce8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  box-shadow: 0 0 28px rgba(248, 250, 252, 0.32);
}

.logo-text {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  text-transform: uppercase;
  color: #e5e7eb;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.nav a {
  text-decoration: none;
  color: #e5e7eb;
  opacity: 0.9;
  transition:
    opacity 0.18s ease,
    color 0.18s ease,
    transform 0.18s ease;
}

.nav a:hover {
  opacity: 1;
  color: var(--accent-strong);
  transform: translateY(-1px);
}

.nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, 0.5);
  background:
    radial-gradient(circle at top, rgba(248, 250, 252, 0.14), transparent),
    rgba(15, 23, 42, 0.75);
}

.hero {
  position: relative;
  padding: 5.5rem 0 4.5rem;
  background:
    radial-gradient(
      circle at 0% 0%,
      rgba(129, 140, 248, 0.16),
      transparent 55%
    ),
    radial-gradient(
      circle at 100% 0%,
      rgba(236, 72, 153, 0.18),
      transparent 55%
    );
  color: #e5e7eb;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(
      circle at 50% 0%,
      rgba(248, 250, 252, 0.065),
      transparent 60%
    ),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.98));
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 3rem;
  z-index: 1;
}

.hero-text h1 {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: clamp(2.5rem, 4vw, 3.3rem);
  line-height: 1.1;
  margin: 0.45rem 0 0.9rem;
  letter-spacing: 0.02em;
}

.hero-subtitle {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.hero-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-panel {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  width: 100%;
  max-width: 360px;
  padding: 1.3rem 1.3rem 1.1rem;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(
      circle at top left,
      rgba(248, 250, 252, 0.11),
      transparent 70%
    ),
    var(--bg-surface-soft);
  border: 1px solid rgba(148, 163, 184, 0.55);
  box-shadow: var(--shadow-soft);
}

.card-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-strong);
  margin-bottom: 0.75rem;
}

.chat-bubble {
  padding: 0.7rem 0.9rem;
  border-radius: 0.9rem;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0.55rem;
}

.chat-bubble.user {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.7);
}

.chat-bubble.ai {
  background: linear-gradient(
    135deg,
    rgba(129, 140, 248, 0.16),
    rgba(168, 85, 247, 0.38)
  );
  border: 1px solid rgba(216, 180, 254, 0.8);
}

.chat-bubble.ai.secondary {
  background: linear-gradient(
    135deg,
    rgba(22, 163, 74, 0.14),
    rgba(168, 85, 247, 0.24)
  );
  border-style: dashed;
}

.chat-bubble .ref {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: var(--accent-strong);
}

.card-footnote {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.section {
  padding: 4.25rem 0;
  background: radial-gradient(
    circle at top,
    rgba(15, 23, 42, 0.98),
    rgba(15, 23, 42, 0.99)
  );
  color: #e5e7eb;
}

.section-alt {
  background: radial-gradient(
    circle at top,
    rgba(23, 37, 84, 0.96),
    rgba(15, 23, 42, 0.99)
  );
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: 3rem;
  align-items: flex-start;
}

.section h2 {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: clamp(1.8rem, 2.4vw, 2rem);
  margin: 0.4rem 0 0;
}

.section p {
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.7;
}

.section p + p {
  margin-top: 0.8rem;
}

.eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-strong);
}

.features-grid {
  margin-top: 2.3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.feature-card {
  padding: 1.4rem 1.3rem 1.2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    145deg,
    rgba(15, 23, 42, 0.98),
    rgba(15, 23, 42, 0.9)
  );
  border: 1px solid var(--border-subtle);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.75);
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.93rem;
}

.eden {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 10% 0%,
      rgba(56, 189, 248, 0.25),
      transparent 65%
    ),
    radial-gradient(
      circle at 100% 0%,
      rgba(168, 85, 247, 0.32),
      transparent 55%
    ),
    linear-gradient(to bottom, #020617, #020617 12%, #020617 100%);
}

.eden-glow {
  position: absolute;
  inset: 6% 7% auto 7%;
  height: 280px;
  background:
    radial-gradient(
      circle at 50% 0%,
      rgba(248, 250, 252, 0.2),
      transparent 60%
    ),
    radial-gradient(
      circle at 20% 0%,
      rgba(45, 212, 191, 0.22),
      transparent 60%
    ),
    radial-gradient(
      circle at 80% 0%,
      rgba(248, 250, 252, 0.14),
      transparent 60%
    );
  opacity: 0.9;
  filter: blur(18px);
  pointer-events: none;
}

.eden-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 3.2rem;
  align-items: center;
}

.eden-text p {
  max-width: 30rem;
}

.eden-list {
  margin: 1.2rem 0 1.5rem;
  padding-left: 1.2rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.eden-list li + li {
  margin-top: 0.35rem;
}

.eden-panel {
  display: flex;
  justify-content: flex-end;
}

.eden-card {
  width: 100%;
  max-width: 360px;
  padding: 1.3rem 1.3rem 1.1rem;
  border-radius: 1.6rem;
  background:
    linear-gradient(
      140deg,
      rgba(15, 23, 42, 0.9),
      rgba(15, 23, 42, 0.96),
      rgba(15, 23, 42, 0.9)
    ),
    radial-gradient(circle at top, rgba(226, 232, 240, 0.16), transparent 70%);
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: var(--shadow-soft);
}

.rhythm-list {
  list-style: none;
  padding: 0;
  margin: 0.2rem 0 0.7rem;
}

.rhythm-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.9rem;
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.5);
}

.rhythm-list li:last-child {
  border-bottom: none;
}

.rhythm-time {
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-strong);
}

.rhythm-desc {
  font-size: 0.9rem;
  color: var(--text-soft);
}

.faq-grid {
  margin-top: 1.9rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.7rem;
}

.faq-item {
  padding: 1.4rem 1.3rem 1.2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    145deg,
    rgba(15, 23, 42, 0.98),
    rgba(15, 23, 42, 0.9)
  );
  border: 1px solid var(--border-subtle);
}

.faq-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.faq-item p {
  margin: 0;
  font-size: 0.93rem;
}

.contact-section {
  position: relative;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.contact-panel {
  padding: 1.6rem 1.5rem 1.4rem;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(
      circle at top left,
      rgba(248, 250, 252, 0.16),
      transparent 60%
    ),
    var(--bg-elevated);
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: var(--shadow-soft);
}

.contact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-strong);
  margin: 0 0 0.55rem;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 1rem;
  text-decoration: none;
  color: #f9fafb;
}

.contact-email::after {
  content: "↗";
  font-size: 0.8rem;
  opacity: 0.85;
}

.contact-email:hover {
  color: var(--accent-strong);
}

.contact-hint {
  margin-top: 0.75rem;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.site-footer {
  background: #020617;
  border-top: 1px solid rgba(30, 64, 175, 0.7);
  padding: 1.1rem 0 1.6rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  color: #9ca3af;
  font-size: 0.85rem;
}

.footer-brand {
  font-family: "Playfair Display", "Times New Roman", serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #e5e7eb;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition:
    background 0.18s ease,
    color 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.btn-primary {
  background-image: linear-gradient(135deg, #fbbf24, #a855f7, #22c55e);
  color: #0b1120;
  box-shadow: 0 18px 45px rgba(55, 65, 81, 0.55);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 60px rgba(15, 23, 42, 0.75);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.85);
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.7);
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.92);
  border-color: rgba(226, 232, 240, 0.9);
}

@media (max-width: 960px) {
  .hero-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel {
    justify-content: flex-start;
  }

  .section-grid,
  .eden-inner,
  .contact-inner {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (max-width: 720px) {
  .nav {
    display: none;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .hero-card,
  .eden-card {
    max-width: 100%;
  }

  .features-grid,
  .faq-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}