/* =============================================
   Bangin' Burger Bros — "Azulejo Fire" Edition
   Aesthetic: Portuguese warmth × premium fire
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Besley:ital,wght@0,400;0,600;0,700;1,400&family=Instrument+Sans:wght@400;500;600&display=swap');

/* --- Palette --- */
:root {
  --cream:      #f7f0e3;
  --cream-dim: #ede5d0;
  --charcoal:   #1c1814;
  --charcoal-2: #2a2420;
  --red-deep:   #8b1a1a;
  --red-bright: #c0392b;
  --red-ember:  #d4442a;
  --gold:       #c8973a;
  --gold-pale:  #e8c87a;
  --tile-light: rgba(200,151,58,0.12);
  --tile-dark:  rgba(139,26,26,0.08);
  --nav-h: 72px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  font-family: 'Instrument Sans', system-ui, sans-serif;
  background: var(--cream);
  color: var(--charcoal);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--red-deep); color: var(--cream); }

/* --- Azulejo Tile Mixin (decorative SVG pattern) --- */
.tile-strip {
  width: 100%;
  height: 48px;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0px, transparent 28px,
      var(--tile-light) 28px, var(--tile-light) 30px,
      transparent 30px, transparent 58px,
      var(--tile-dark) 58px, var(--tile-dark) 60px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0px, transparent 28px,
      var(--tile-light) 28px, var(--tile-light) 30px,
      transparent 30px, transparent 58px,
      var(--tile-dark) 58px, var(--tile-dark) 60px
    );
  background-size: 60px 60px;
  opacity: 0.7;
  flex-shrink: 0;
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(28,24,20,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(200,151,58,0.25);
}
.nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Besley', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: 0.01em;
}
.nav-logo span { color: var(--red-ember); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(247,240,227,0.6);
  transition: color 0.2s var(--ease);
}
.nav-links a:hover { color: var(--gold-pale); }
.nav-cta {
  background: var(--red-deep);
  color: var(--cream) !important;
  padding: 9px 22px;
  border-radius: 2px;
  letter-spacing: 0.06em !important;
  transition: background 0.2s var(--ease) !important;
}
.nav-cta:hover { background: var(--red-bright) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cream);
  transition: transform 0.3s var(--ease), opacity 0.3s;
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: var(--charcoal);
    flex-direction: column;
    gap: 0;
    padding: 8px 0 24px;
    transform: translateY(-110%);
    transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
    opacity: 0;
    pointer-events: none;
    border-top: 1px solid rgba(200,151,58,0.2);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 16px 40px; font-size: 0.9rem; border-bottom: 1px solid rgba(255,255,255,0.04); }
  .nav-links .nav-cta { margin: 16px 40px 0; text-align: center; }
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('hero.jpg');
  background-size: cover;
  background-position: center;
  filter: sepia(0.15) brightness(0.85);
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(139,26,26,0.4) 0%, transparent 60%),
    linear-gradient(
      to bottom,
      rgba(28,24,20,0.2) 0%,
      rgba(28,24,20,0.55) 50%,
      rgba(28,24,20,0.92) 100%
    );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 140px 32px 100px;
  max-width: 820px;
}
.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.7s 0.2s var(--ease) forwards;
}
.hero-title {
  font-family: 'Besley', Georgia, serif;
  font-size: clamp(3.2rem, 8vw, 6.5rem);
  font-weight: 700;
  color: var(--cream);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(20px);
  animation: rise 0.7s 0.38s var(--ease) forwards;
}
.hero-title em {
  font-style: italic;
  color: var(--red-ember);
}
.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: rgba(247,240,227,0.7);
  font-weight: 400;
  letter-spacing: 0.06em;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.7s 0.52s var(--ease) forwards;
}
.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.7s 0.66s var(--ease) forwards;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(247,240,227,0.4);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0;
  animation: fade 1s 1.2s ease forwards;
}
.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(200,151,58,0.6), transparent);
  animation: grow 1.5s 1.4s ease forwards;
  transform-origin: top;
}

@keyframes rise { to { opacity: 1; transform: translateY(0); } }
@keyframes fade { to { opacity: 1; } }
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1.5px solid transparent;
  transition: all 0.22s var(--ease);
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-fire {
  background: var(--red-deep);
  color: var(--cream);
  border-color: var(--red-deep);
}
.btn-fire:hover {
  background: var(--red-bright);
  border-color: var(--red-bright);
  box-shadow: 0 8px 24px rgba(139,26,26,0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(247,240,227,0.4);
}
.btn-ghost:hover {
  background: rgba(247,240,227,0.1);
  border-color: rgba(247,240,227,0.7);
}

/* =============================================
   SECTIONS — shared
   ============================================= */
.section { padding: 96px 0; }
.section-dark { background: var(--charcoal); color: var(--cream); }

.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

.eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}
.eyebrow-dark { color: var(--gold); opacity: 0.7; }

.section-title {
  font-family: 'Besley', Georgia, serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--charcoal);
  margin-bottom: 64px;
}
.section-title.light { color: var(--cream); }

/* =============================================
   ABOUT
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text p {
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--charcoal-2);
  margin-bottom: 20px;
}
.about-text p:last-child { margin-bottom: 0; }

.about-features { display: flex; flex-direction: column; gap: 32px; }
.feature {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  align-items: start;
  padding: 24px;
  border-radius: 3px;
  background: var(--cream-dim);
  border-left: 3px solid var(--red-deep);
  transition: border-color 0.2s, transform 0.2s;
}
.feature:hover { border-color: var(--red-ember); transform: translateX(4px); }
.feature-icon { font-size: 1.8rem; line-height: 1; }
.feature h3 {
  font-family: 'Besley', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--red-deep);
  margin-bottom: 4px;
}
.feature p { font-size: 0.88rem; color: var(--charcoal-2); line-height: 1.6; }

@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; gap: 48px; } }

/* =============================================
   MENU
   ============================================= */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.menu-card {
  background: var(--charcoal-2);
  border: 1px solid rgba(200,151,58,0.12);
  border-radius: 3px;
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
  position: relative;
}
.menu-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red-deep), var(--red-ember), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.menu-card:hover { transform: translateY(-5px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); border-color: rgba(200,151,58,0.3); }
.menu-card:hover::before { transform: scaleX(1); }

.menu-card-body { padding: 28px 28px 24px; }
.menu-card h3 {
  font-family: 'Besley', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 8px;
}
.menu-desc {
  font-size: 0.85rem;
  color: rgba(247,240,227,0.55);
  line-height: 1.65;
  margin-bottom: 16px;
}
.menu-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid rgba(200,151,58,0.1);
}
.menu-price {
  font-family: 'Besley', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gold);
}
.menu-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
  background: rgba(200,151,58,0.12);
  color: var(--gold-pale);
}

/* =============================================
   EVENTS
   ============================================= */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.event-card {
  padding: 36px 24px;
  background: var(--cream-dim);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 3px;
  text-align: center;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s;
}
.event-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  border-color: var(--red-deep);
}
.event-icon { font-size: 2.4rem; margin-bottom: 16px; display: block; }
.event-card h3 {
  font-family: 'Besley', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 8px;
}
.event-card p { font-size: 0.85rem; color: var(--charcoal-2); line-height: 1.6; }

/* =============================================
   GALLERY
   ============================================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 768px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .gallery-grid { grid-template-columns: 1fr; } }

.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 2px;
  position: relative;
  cursor: pointer;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.gallery-item:hover img { transform: scale(1.06); }

.gallery-placeholder {
  aspect-ratio: 4/3;
  background: var(--charcoal-2);
  border: 1.5px dashed rgba(200,151,58,0.3);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(200,151,58,0.4);
  transition: border-color 0.2s, background 0.2s;
}
.gallery-placeholder:hover { border-color: var(--gold); background: rgba(200,151,58,0.06); }

/* =============================================
   BOOKING FORM
   ============================================= */
.booking-wrap { max-width: 800px; }

.booking-intro {
  font-size: 1.05rem;
  color: var(--charcoal-2);
  margin-top: -40px;
  margin-bottom: 48px;
  max-width: 520px;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--charcoal-2);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 13px 16px;
  border: 1.5px solid rgba(28,24,20,0.18);
  border-radius: 2px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--charcoal);
  background: var(--cream);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
  border-radius: 2px;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--red-deep); box-shadow: 0 0 0 3px rgba(139,26,26,0.1); }
.form-group input.error, .form-group textarea.error { border-color: var(--red-bright); }
.form-group textarea { resize: vertical; min-height: 130px; line-height: 1.6; }
.field-error { font-size: 0.78rem; color: var(--red-bright); min-height: 18px; font-weight: 500; }

.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--red-deep);
  color: var(--cream);
  border: none;
  border-radius: 2px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.15s;
  margin-top: 8px;
}
.btn-submit:hover { background: var(--red-bright); transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.form-status { margin-top: 16px; padding: 16px; border-radius: 2px; font-weight: 500; display: none; }
.form-status.ok { display: block; background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.form-status.err { display: block; background: #fdecea; color: var(--red-bright); border: 1px solid #ef9a9a; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--charcoal);
  color: rgba(247,240,227,0.65);
  padding: 80px 0 40px;
  position: relative;
}
.footer-rule {
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--red-deep) 0%,
    var(--red-ember) 25%,
    var(--gold) 50%,
    var(--red-ember) 75%,
    var(--red-deep) 100%
  );
  margin-bottom: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand h3 {
  font-family: 'Besley', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 12px;
}
.footer-brand h3 em { color: var(--red-ember); font-style: italic; }
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  font-style: italic;
  color: rgba(247,240,227,0.5);
}
.footer-col h4 {
  font-family: 'Besley', serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.footer-col p, .footer-col a {
  font-size: 0.88rem;
  color: rgba(247,240,227,0.55);
  margin-bottom: 8px;
  transition: color 0.2s;
  display: block;
}
.footer-col a:hover { color: var(--gold-pale); }

.social-links { display: flex; gap: 10px; flex-wrap: wrap; }
.social-links a {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 7px 14px;
  border: 1px solid rgba(200,151,58,0.25);
  border-radius: 2px;
  color: rgba(247,240,227,0.5);
  transition: all 0.2s;
}
.social-links a:hover { color: var(--gold); border-color: var(--gold); background: rgba(200,151,58,0.08); }

.footer-bottom {
  border-top: 1px solid rgba(247,240,227,0.08);
  padding-top: 28px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(247,240,227,0.25);
}

/* =============================================
   REVEAL ON SCROLL
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }