/* ═══════════════════════════════════════════
   SentYacht — Deep Mediterranean Design System
   ═══════════════════════════════════════════ */

/* ─── Custom Properties ─── */
:root {
  /* Dark sections */
  --dark-base: #0B1220;
  --dark-surface: #142233;
  --dark-floating: #1A2D45;
  --dark-border: #1E3148;

  /* Light sections */
  --light-base: #FAF7F2;
  --light-surface: #FFFFFF;
  --light-border: #E8E0D4;

  /* Brand */
  --blue: #0077CC;
  --blue-hover: #005FA3;
  --blue-glow: rgba(0, 119, 204, 0.15);
  --gold: #C9A96E;
  --gold-hover: #B8954F;
  --gold-glow: rgba(201, 169, 110, 0.20);

  /* Text */
  --text-dark-primary: #F2EDE8;
  --text-dark-secondary: #8A9BB5;
  --text-light-primary: #1A1A2E;
  --text-light-secondary: #5C6370;

  /* Shadows */
  --shadow-dark: 0 4px 24px rgba(0, 119, 204, 0.06), 0 1px 4px rgba(0,0,0,0.08);
  --shadow-light: 0 4px 24px rgba(201, 169, 110, 0.08), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-elevated: 0 8px 40px rgba(0, 119, 204, 0.10), 0 2px 8px rgba(0,0,0,0.06);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
}

/* ─── Grain Overlay ─── */
.grain-overlay {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ─── Scroll Animations ─── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Ken Burns Hero ─── */
@keyframes kenburns {
  0% { transform: scale(1); }
  100% { transform: scale(1.06); }
}
.hero-ken-burns {
  animation: kenburns 20s ease-in-out infinite alternate;
  will-change: transform;
}

/* ─── Scroll Line ─── */
@keyframes scrollpulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.7; transform: scaleY(1.2); }
}
.scroll-line {
  animation: scrollpulse 2.5s ease-in-out infinite;
  transform-origin: top;
}

/* ─── Navbar ─── */
.nav-transparent {
  background: transparent;
}
.nav-solid {
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(30, 49, 72, 0.5);
}

/* ─── Boat Cards ─── */
.boat-card {
  display: block;
  background: var(--light-surface);
  border: 1px solid var(--light-border);
  border-radius: 2px;
  overflow: hidden;
  text-decoration: none;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.boat-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-glow);
  box-shadow: var(--shadow-elevated);
}
.boat-card:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
.boat-card:active {
  transform: translateY(-2px);
}
.boat-card-image {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.boat-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.boat-card:hover .boat-card-image img {
  transform: scale(1.04);
}
.boat-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 18, 32, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

/* ─── Badge ─── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 1px;
}
.badge-stock {
  background: rgba(34, 139, 34, 0.12);
  color: #2E8B57;
}
.badge-new {
  background: var(--gold-glow);
  color: var(--gold);
}
.badge-price-drop {
  background: rgba(205, 55, 55, 0.12);
  color: #CD3737;
}

/* ─── CTA Buttons ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.2s;
}
.btn-primary:hover { background: var(--blue-hover); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  background: transparent;
  color: var(--text-dark-primary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(242, 237, 232, 0.2);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s, transform 0.2s;
}
.btn-outline:hover {
  color: #fff;
  border-color: rgba(0, 119, 204, 0.4);
}
.btn-outline:active { transform: scale(0.98); }
.btn-outline:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--gold);
  color: var(--dark-base);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}
.btn-gold:hover { background: var(--gold-hover); }
.btn-gold:active { transform: scale(0.98); }
.btn-gold:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ─── Contact Cards (dark section) ─── */
.contact-card {
  display: block;
  background: rgba(20, 34, 51, 0.6);
  border: 1px solid rgba(30, 49, 72, 0.6);
  border-radius: 2px;
  padding: 28px;
  text-decoration: none;
  transition: background-color 0.4s, border-color 0.4s;
}
.contact-card:hover {
  background: rgba(20, 34, 51, 0.9);
  border-color: rgba(0, 119, 204, 0.2);
}
.contact-card:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* ─── Form Inputs ─── */
.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(20, 34, 51, 0.6);
  border: 1px solid var(--dark-border);
  border-radius: 2px;
  color: var(--text-dark-primary);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form-input::placeholder {
  color: var(--text-dark-secondary);
  opacity: 0.6;
}
.form-input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 119, 204, 0.15);
}

/* ─── Cookie Banner ─── */
#cookie-banner {
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
#cookie-banner.visible {
  transform: translateY(0);
}

/* ─── Mobile Menu ─── */
#mobile-menu {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
#mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

/* ─── Hamburger Animation ─── */
.hamburger-active .hamburger-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
.hamburger-active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.hamburger-active .hamburger-line:nth-child(3) {
  width: 24px;
  transform: translateY(-4px) rotate(-45deg);
}

/* ─── Map Filter ─── */
.map-desaturated {
  filter: saturate(0.25) brightness(0.75) contrast(1.1);
}

/* ─── Section Divider ─── */
.section-label {
  font-size: 11px;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.25em;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .boat-card-image {
    aspect-ratio: 16 / 10;
  }
}