/*
 * sp-hero.css — Hero section + sticky nav
 */

/* ============================================================
   STICKY NAV
   ============================================================ */
.sp-nav {
  position: sticky;
  top: 0;
  z-index: 150;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--sp-line);
  transition: background 0.2s var(--sp-ease), border-color 0.2s;
}

[data-theme="day"] .sp-nav {
  background: rgba(250, 249, 247, 0.82);
}

[data-theme="dimmed"] .sp-nav {
  background: rgba(19, 17, 14, 0.82);
}

.sp-nav-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  height: 60px;
}

/* Logo */
.sp-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.04em;
  color: var(--sp-fg);
  text-decoration: none;
  flex-shrink: 0;
}

.sp-nav-logo svg {
  flex-shrink: 0;
}

/* Nav links */
.sp-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: var(--sp-3);
  flex: 1;
}

.sp-nav-links a {
  font-size: var(--sp-t-sm);
  font-weight: 500;
  color: var(--sp-mute);
  padding: 6px 10px;
  border-radius: var(--sp-r-sm);
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
}

.sp-nav-links a:hover {
  color: var(--sp-fg);
  background: rgba(255,255,255,0.06);
}

[data-theme="day"] .sp-nav-links a:hover {
  background: rgba(0,0,0,0.04);
}

/* Nav right controls */
.sp-nav-right {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-left: auto;
}

/* Theme toggle button */
.sp-theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--sp-r-sm);
  background: transparent;
  border: 1px solid var(--sp-line-2);
  color: var(--sp-mute);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.15s;
}

.sp-theme-btn:hover {
  color: var(--sp-fg);
  border-color: var(--sp-fg-2);
  background: rgba(255,255,255,0.05);
}

/* Mobile menu toggle */
.sp-nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--sp-line-2);
  border-radius: var(--sp-r-sm);
}

.sp-nav-hamburger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--sp-fg-2);
  transition: transform 0.2s, opacity 0.2s;
}

@media (max-width: 860px) {
  .sp-nav-links { display: none; }
  .sp-nav-hamburger { display: flex; }
}

/* Mobile drawer */
.sp-nav-drawer {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--sp-2) var(--sp-3) var(--sp-3);
  border-top: 1px solid var(--sp-line);
  background: var(--sp-bg-2);
}

.sp-nav-drawer.open {
  display: flex;
}

.sp-nav-drawer a {
  font-size: 15px;
  font-weight: 500;
  color: var(--sp-fg-2);
  padding: 10px 4px;
  border-bottom: 1px solid var(--sp-line);
  text-decoration: none;
}

.sp-nav-drawer a:last-child {
  border-bottom: none;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.sp-hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Radial bg gradient from accent */
.sp-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 60% 40%, rgba(124,92,255,0.1) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(124,220,178,0.05) 0%, transparent 60%),
    var(--sp-bg);
  z-index: 0;
}

[data-theme="day"] .sp-hero-bg {
  background:
    radial-gradient(ellipse 70% 60% at 60% 40%, rgba(124,92,255,0.06) 0%, transparent 65%),
    var(--sp-bg);
}

/* Subtle grid overlay */
.sp-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--sp-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--sp-line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 75%);
}

.sp-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.sp-hero-content {
  max-width: 880px;
  padding: var(--sp-8) 0 var(--sp-7);
}

.sp-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--sp-t-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sp-accent);
  background: rgba(124,92,255,0.1);
  border: 1px solid rgba(124,92,255,0.2);
  padding: 6px 14px;
  border-radius: var(--sp-r-full);
  margin-bottom: var(--sp-3);
}

[data-theme="day"] .sp-hero-eyebrow {
  background: rgba(92,61,255,0.08);
  border-color: rgba(92,61,255,0.18);
}

.sp-hero-h1 {
  font-size: clamp(44px, 7.5vw, 96px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--sp-fg);
  margin-bottom: var(--sp-3);
}

/* The rotating noun — styled distinctly */
.sp-rotating-noun {
  display: inline-block;
  color: var(--sp-accent-2);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-style: italic;
  font-weight: 600;
  letter-spacing: -0.02em;
  position: relative;
  min-width: 3ch;
  transition: opacity 0.3s var(--sp-ease);
}

.sp-rotating-noun.fade-out {
  opacity: 0;
  transform: translateY(-6px);
}

.sp-rotating-noun.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.sp-hero-sub {
  font-size: clamp(16px, 2.2vw, 22px);
  color: var(--sp-fg-2);
  line-height: 1.6;
  max-width: 580px;
  margin-bottom: var(--sp-5);
  font-weight: 400;
}

.sp-hero-sub strong {
  color: var(--sp-fg);
  font-weight: 600;
}

/* CTA row */
.sp-hero-ctas {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-bottom: var(--sp-5);
}

/* Trust badges below CTAs */
.sp-hero-trust {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.sp-hero-trust-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: var(--sp-t-sm);
  color: var(--sp-mute);
  font-weight: 500;
}

.sp-hero-trust-item svg {
  color: var(--sp-accent-2);
  flex-shrink: 0;
}

/* ============================================================
   MOBILE HERO
   ============================================================ */
@media (max-width: 768px) {
  .sp-hero {
    min-height: 82vh;
    align-items: flex-start;
  }

  .sp-hero-content {
    padding: var(--sp-7) 0 var(--sp-6);
  }

  .sp-hero-h1 {
    font-size: clamp(36px, 10vw, 56px);
    letter-spacing: -0.03em;
  }

  .sp-hero-sub {
    font-size: 16px;
  }

  .sp-hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .sp-hero-ctas .sp-btn {
    text-align: center;
    justify-content: center;
  }

  .sp-hero-trust {
    gap: var(--sp-2);
  }
}