/* ============================================
   WAVLENTH — INDEX PAGE STYLES
   Landing page only. Shared tokens/resets live
   in global.css.
============================================ */

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.theme-toggle {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: var(--space-xs) 0;
  transition: color var(--transition);
}

.theme-toggle:hover {
  color: var(--accent-primary);
}

/* Mobile hamburger — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
}

.nav-toggle span {
  height: 2px;
  width: 100%;
  background: var(--text);
  transition:
    transform var(--transition),
    opacity var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  min-height: calc(100vh - 73px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl) 0 var(--space-2xl);
  position: relative;
}

.hero-inner {
  text-align: left;
  max-width: 640px;
  margin: 0;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(16px);
  animation: hero-reveal-up 0.6s ease forwards;
  animation-delay: 0.05s;
}

.hero-wordmark {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.5rem, 12vw, 7.5rem);
  letter-spacing: 0.04em;
  line-height: 0.95;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  background: linear-gradient(135deg, var(--text) 60%, var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transform: translateY(16px);
  animation: hero-reveal-up 0.6s ease forwards;
  animation-delay: 0.15s;
}

/* ---------- Tagline band (sits right after hero) ---------- */
.tagline-band {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-xl) 0;
  text-align: center;
}

.band-tagline {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: clamp(2.25rem, 7vw, 4rem);
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.band-note {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--accent-subjects);
}

.hero-line {
  display: inline;
  opacity: 0;
  animation: hero-reveal 0.4s ease forwards;
}

.hero-line:not(:last-child)::after {
  content: " ";
}

.hero-line:nth-child(1) {
  animation-delay: 0.05s;
  color: var(--accent-ai);
}
.hero-line:nth-child(2) {
  animation-delay: 0.15s;
  color: var(--accent-focus);
}
.hero-line:nth-child(3) {
  animation-delay: 0.25s;
  color: var(--accent-music);
}

@keyframes hero-reveal {
  to {
    opacity: 1;
  }
}

.hero-cta {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  padding: 12px 24px;
  border-radius: var(--radius);
  transition:
    background var(--transition),
    color var(--transition);
  opacity: 0;
  transform: translateY(16px);
  animation: hero-reveal-up 0.6s ease forwards;
  animation-delay: 0.35s;
}

.hero-cta:hover {
  background: var(--accent-primary);
  color: #1a1a1a;
}

@keyframes hero-reveal-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.6875rem, 1.8vw, 0.8125rem);
  color: var(--muted);
  letter-spacing: 0.06em;
  line-height: 1.8;
  max-width: 520px;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(16px);
  animation: hero-reveal-up 0.6s ease forwards;
  animation-delay: 0.25s;
}

/* ---------- Section title (shared across landing sections) ---------- */
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  text-align: left;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-xl);
}

/* ---------- Feature cards ---------- */
.features {
  padding: var(--space-2xl) 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-xl) var(--space-lg);
  transition:
    transform var(--transition),
    background var(--transition),
    border-color var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  background: var(--card-hover);
  border-color: var(--icon-color);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--icon-color);
  position: relative;
  margin-bottom: var(--space-lg);
}

.feature-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--icon-color);
  transform: translate(-50%, -50%);
}

.feature-title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.feature-desc {
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* ---------- Why Wavlenth ---------- */
.why-wavlenth {
  padding: var(--space-2xl) 0;
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.creator-note {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--muted);
  text-align: center;
  margin-top: var(--space-xl);
}

.why-point h3 {
  font-size: var(--fs-lg);
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
}

.why-point p {
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* ---------- CTA ---------- */
.cta {
  padding: var(--space-2xl) 0;
}

.cta-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-sm);
}

.cta-subtitle {
  color: var(--muted);
  margin-bottom: var(--space-xl);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-xl) 0;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.footer-logo {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--muted);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-bottom p {
  font-size: var(--fs-sm);
  color: var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 640px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: var(--space-lg);
    gap: var(--space-md);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

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

  .footer-top {
    flex-direction: column;
    gap: var(--space-lg);
    align-items: flex-start;
  }
}