/* ==========================================
   Marea — Custom Styles
   Premium Seafood Restaurant Landing Page
   ========================================== */

/* ----- Custom Properties ----- */
:root {
  --marea-bg: hsl(210, 25%, 7%);
  --marea-bg-light: hsl(210, 20%, 11%);
  --marea-accent: #D6DCE1;
  --marea-muted: #7A8A99;
  --marea-stone: #4A5568;
  --marea-border: rgba(214, 220, 225, 0.08);
}

/* ----- Base ----- */
html {
  scroll-padding-top: 5rem;
}

::selection {
  background: rgba(214, 220, 225, 0.15);
  color: #fff;
}

/* ----- Scrollbar ----- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--marea-bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(214, 220, 225, 0.12);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(214, 220, 225, 0.2);
}

/* ----- Grain Overlay ----- */
#grain-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.04;
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ----- Headline Gradient ----- */
.headline-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #D6DCE1 50%, #9BAAB7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ----- Hero ----- */
.hero-headline {
  font-size: clamp(3rem, 12vw, 170px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  font-weight: 300;
}

@media (min-width: 768px) {
  .hero-headline {
    font-size: clamp(4.5rem, 16vw, 170px);
  }
}

.hero-overlay {
  background: linear-gradient(
    to bottom,
    hsl(210 25% 7% / 0.75) 0%,
    hsl(210 25% 7% / 0.35) 35%,
    hsl(210 25% 7% / 0.5) 65%,
    hsl(210 25% 7% / 1) 100%
  );
}

/* ----- Reveal Animations ----- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ----- Hero Entrance Keyframes ----- */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero-animate {
  opacity: 0;
  animation: heroFadeUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.hero-animate-delay-1 { animation-delay: 0.2s; }
.hero-animate-delay-2 { animation-delay: 0.5s; }
.hero-animate-delay-3 { animation-delay: 0.7s; }
.hero-animate-delay-4 { animation-delay: 0.9s; }
.hero-animate-delay-5 { animation-delay: 1.1s; }

.hero-fade {
  opacity: 0;
  animation: heroFadeIn 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  animation-delay: 0.3s;
}

/* ----- Image Hover ----- */
.img-reveal {
  overflow: hidden;
}

.img-reveal img {
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.img-reveal:hover img {
  transform: scale(1.04);
}

/* ----- Menu Separator ----- */
.menu-separator {
  height: 1px;
  background: var(--marea-border);
}

/* ----- Navbar ----- */
#navbar {
  transition: background 0.5s ease, border-color 0.5s ease, backdrop-filter 0.5s ease;
  border-bottom: 1px solid transparent;
}

.navbar-scrolled {
  background: rgba(13, 17, 22, 0.85) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--marea-border) !important;
}

/* ----- Mobile Menu ----- */
.mobile-menu {
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  transform: translateY(-8px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease,
    visibility 0.3s ease,
    max-height 0.3s ease;
  overflow: hidden;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  max-height: 400px;
  transform: translateY(0);
}

/* Hamburger animation */
#menu-toggle span {
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

#menu-toggle.active span:first-child {
  transform: translateY(4px) rotate(45deg);
}

#menu-toggle.active span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* ----- CTA Button Hover Effect ----- */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.04);
  transform: translateX(-101%);
  transition: transform 0.4s ease;
}

.btn-primary:hover::after {
  transform: translateX(0);
}

/* ----- Dining Step Line ----- */
.step-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--marea-accent), transparent);
  margin: 0 auto;
}

/* Connecting line (desktop) */
.connecting-line {
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(214, 220, 225, 0.12), transparent);
}

/* ----- Craft Overlay ----- */
.craft-overlay {
  background: linear-gradient(
    to top,
    hsl(210 25% 7% / 1) 0%,
    hsl(210 25% 7% / 0.7) 40%,
    hsl(210 25% 7% / 0.4) 100%
  );
}

/* ----- Form Inputs ----- */
.form-input {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--marea-border);
  transition: border-color 0.3s ease, background-color 0.3s ease;
  color: #fff;
}

.form-input:focus {
  border-color: rgba(214, 220, 225, 0.2);
  background: rgba(255, 255, 255, 0.05);
  outline: none;
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

/* ----- Statement Section ----- */
.statement-text {
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 300;
}

/* ----- Section Divider ----- */
.section-divider {
  width: 48px;
  height: 1px;
  background: linear-gradient(to right, var(--marea-accent), transparent);
}

/* ----- Quote ----- */
.quote-mark {
  font-family: 'Syne', sans-serif;
  font-size: 4rem;
  line-height: 1;
  opacity: 0.12;
}

/* ----- Atmosphere Grid ----- */
.atmosphere-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .atmosphere-grid {
    grid-template-columns: 7fr 5fr;
    gap: 1.25rem;
  }
}

.atmosphere-grid .img-tall {
  aspect-ratio: 4 / 5;
}

.atmosphere-grid .img-wide {
  aspect-ratio: 3 / 2;
}

@media (min-width: 768px) {
  .atmosphere-offset {
    margin-top: 4rem;
  }

  .atmosphere-offset-neg {
    margin-top: -3rem;
  }
}

/* ----- Reduced Motion ----- */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-animate {
    opacity: 1;
    animation: none;
  }

  .hero-fade {
    opacity: 1;
    animation: none;
  }

  .img-reveal img {
    transition: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}