/* ==========================================================================
   Somni Restaurant - Custom Styles
   Modern Spanish aesthetic: clean, minimalist, elegant, warm
   "#fffbf4" (cream) background, "#660000" (burgundy) accent, "#1a1a1a" text
   ========================================================================== */

/* --- Custom Properties / Design Tokens --- */
:root {
  --color-cream: #fffbf4;
  --color-burgundy: #660000;
  --color-burgundy-light: #8b1a1a;
  --color-charcoal: #1a1a1a;
  --color-warm-gray: #f5f0e8;
  --color-text: #2d2d2d;
  --color-text-light: #6b6b6b;
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- Base --- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
.font-heading {
  font-family: var(--font-heading);
}

/* --- Navigation --- */
.site-nav {
  transition: var(--transition-smooth);
  z-index: 50;
}

/* Logo text in nav - white by default (hero state) */
.nav-logo {
  transition: var(--transition-smooth);
}

/* When scrolled past hero */
.site-nav.scrolled {
  background-color: rgba(255, 251, 244, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.site-nav.scrolled .nav-link {
  color: var(--color-charcoal);
}

.site-nav.scrolled .nav-cta {
  background-color: var(--color-burgundy);
  color: white;
  border-color: var(--color-burgundy);
}

.site-nav.scrolled .nav-logo {
  filter: none;
}

.site-nav.page-initial .nav-logo {
  filter: none;
}

/* Page header nav (on interior pages - always scrolled-like state) */
.site-nav.page-initial {
  background-color: rgba(255, 251, 244, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.site-nav.page-initial .nav-link {
  color: var(--color-charcoal);
}

.site-nav.page-initial .nav-logo {
  color: var(--color-burgundy);
}

.site-nav.page-initial .nav-cta {
  background-color: var(--color-burgundy);
  color: white;
  border-color: var(--color-burgundy);
}

/* Mobile nav */
.mobile-nav {
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.3s ease;
  transform: translateX(100%);
  opacity: 0;
}

.mobile-nav.open {
  transform: translateX(0);
  opacity: 1;
}

/* Hamburger animation */
.hamburger-line {
  transition: var(--transition-smooth);
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26, 26, 26, 0.45) 0%,
    rgba(26, 26, 26, 0.25) 50%,
    rgba(26, 26, 26, 0.55) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  animation: bounce-down 2s ease-in-out infinite;
}

@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Sections --- */
.section-padding {
  padding: 5rem 1.25rem;
}

@media (min-width: 768px) {
  .section-padding {
    padding: 7rem 2rem;
  }
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--color-burgundy);
  margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3.5rem;
  }
}

.section-divider {
  width: 60px;
  height: 2px;
  background-color: var(--color-burgundy);
  margin: 1.5rem 0;
}

/* --- Buttons --- */
.btn-burgundy {
  display: inline-block;
  padding: 0.875rem 2.5rem;
  background-color: var(--color-burgundy);
  color: white;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: var(--transition-smooth);
  border: none;
  cursor: pointer;
}

.btn-burgundy:hover {
  background-color: var(--color-burgundy-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(102, 0, 0, 0.25);
}

.btn-outline {
  display: inline-block;
  padding: 0.875rem 2.5rem;
  background-color: transparent;
  color: var(--color-burgundy);
  border: 1px solid var(--color-burgundy);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-outline:hover {
  background-color: var(--color-burgundy);
  color: white;
}

.btn-outline-white {
  display: inline-block;
  padding: 0.875rem 2.5rem;
  background-color: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-outline-white:hover {
  background-color: white;
  color: var(--color-burgundy);
  border-color: white;
}

/* --- Menu card hover --- */
.menu-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.menu-card img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.menu-card:hover img {
  transform: scale(1.05);
}

.menu-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 26, 26, 0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.menu-card:hover .menu-card-overlay {
  opacity: 1;
}

/* --- Instagram feed grid --- */
.insta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .insta-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
  }
}

.insta-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
}

.insta-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.insta-item:hover img {
  transform: scale(1.08);
}

.insta-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(102, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.insta-item:hover .insta-item-overlay {
  opacity: 1;
}

/* --- Gallery page masonry-ish grid --- */
.gallery-grid {
  columns: 2;
  column-gap: 0.75rem;
}

@media (min-width: 640px) {
  .gallery-grid {
    columns: 3;
    column-gap: 1rem;
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    columns: 4;
    column-gap: 1rem;
  }
}

.gallery-grid figure {
  break-inside: avoid;
  margin-bottom: 0.75rem;
  cursor: pointer;
}

@media (min-width: 640px) {
  .gallery-grid figure {
    margin-bottom: 1rem;
  }
}

.gallery-grid img {
  width: 100%;
  display: block;
  border-radius: 2px;
  transition: opacity 0.3s ease;
}

.gallery-grid figure:hover img {
  opacity: 0.85;
}

/* --- Form styling --- */
.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background-color: white;
  border: 1px solid #d4d0c8;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color 0.3s ease;
  outline: none;
}

.form-input:focus {
  border-color: var(--color-burgundy);
}

.form-input::placeholder {
  color: #a09b92;
}

textarea.form-input {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  background-color: white;
  border: 1px solid #d4d0c8;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color 0.3s ease;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23660000' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  cursor: pointer;
}

.form-select:focus {
  border-color: var(--color-burgundy);
}

/* File input styling */
.form-file {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: white;
  border: 1px dashed #d4d0c8;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-light);
  transition: border-color 0.3s ease;
  cursor: pointer;
}

.form-file::file-selector-button {
  padding: 0.5rem 1.25rem;
  margin-right: 1rem;
  background-color: var(--color-burgundy);
  color: white;
  border: none;
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.form-file::file-selector-button:hover {
  background-color: var(--color-burgundy-light);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-burgundy);
  color: rgba(255, 255, 255, 0.85);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.3s ease;
}

.site-footer a:hover {
  color: white;
}

/* --- Page header for interior pages --- */
.page-header {
  position: relative;
  height: 50vh;
  min-height: 400px;
  overflow: hidden;
}

.page-header .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26, 26, 26, 0.5) 0%, rgba(26, 26, 26, 0.6) 100%);
}

.page-header .content {
  position: relative;
  z-index: 2;
}

/* --- Lightbox for gallery --- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  opacity: 0.7;
  transition: opacity 0.3s;
  z-index: 101;
}

.lightbox-close:hover {
  opacity: 1;
}

/* Lightbox nav arrows */
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  background: none;
  border: none;
  opacity: 0.5;
  transition: opacity 0.3s;
  z-index: 101;
  padding: 1rem;
}

.lightbox-nav:hover {
  opacity: 1;
}

.lightbox-prev {
  left: 1rem;
}

.lightbox-next {
  right: 1rem;
}

/* --- Menu viewer page --- */
.menu-viewer {
  background-color: var(--color-warm-gray);
}

.menu-page-img {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* --- Animations --- */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay helpers */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* --- Two column text/image layout --- */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }
}

/* --- Booking page iframe --- */
.booking-frame {
  width: 100%;
  min-height: 600px;
  border: none;
}

/* --- Google Maps placeholder --- */
.map-frame {
  width: 100%;
  height: 350px;
  border: none;
  filter: grayscale(0.3);
}

@media (min-width: 768px) {
  .map-frame {
    height: 400px;
  }
}