/* ============================================================
   Back of House BURGER — Design System & Styles
   Casual, warm, lighthearted sister to Reserve Steakhouse
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  /* Primary palette — warm & bold */
  --amber: #D4903C;
  --amber-light: #E8A95C;
  --amber-deep: #B8722A;
  --amber-glow: rgba(212, 144, 60, 0.3);

  /* Red accents — shared DNA with Reserve */
  --red-primary: #C43333;
  --red-deep: #8B1A1A;
  --red-warm: #A62B2B;

  /* Charcoal / dark palette */
  --charcoal-deep: #1A1A1A;
  --charcoal: #222222;
  --charcoal-soft: #2A2A2A;
  --charcoal-card: #2E2E2E;
  --charcoal-border: #3A3A3A;
  --charcoal-light: #444444;

  /* Warm neutrals */
  --cream: #FAF5EB;
  --cream-dark: #E8DFD0;
  --warm-gray: #B8B0A2;
  --muted: #8A8278;

  /* Typography */
  --font-heading: 'Outfit', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --container-padding: 0 40px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-med: 0.5s var(--ease-out);
}

/* --- Reset --- */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--charcoal);
  color: var(--cream-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--amber);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--amber-light); }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section {
  padding: var(--section-padding);
  position: relative;
}

/* --- Section headings --- */
.section-tag {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
  display: block;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--cream);
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-heading em {
  color: var(--red-primary);
  font-style: normal;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--warm-gray);
  max-width: 620px;
  line-height: 1.8;
}

.divider {
  width: 60px;
  height: 3px;
  background: var(--amber);
  border: none;
  border-radius: 2px;
  margin: 24px 0;
}

.divider--center { margin-left: auto; margin-right: auto; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition-fast), padding var(--transition-fast), box-shadow var(--transition-fast);
}

.nav.scrolled {
  background: rgba(26, 26, 26, 0.96);
  backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 2px 30px rgba(0,0,0,0.5);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--cream);
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-logo .accent {
  color: var(--red-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  flex-wrap: nowrap;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--warm-gray);
  white-space: nowrap;
  position: relative;
  padding-bottom: 3px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--amber);
  border-radius: 1px;
  transition: width var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--amber);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  font-family: var(--font-heading) !important;
  font-size: 0.7rem !important;
  font-weight: 700 !important;
  letter-spacing: 1.5px !important;
  text-transform: uppercase;
  color: var(--charcoal-deep) !important;
  background: var(--amber);
  padding: 10px 24px;
  border-radius: 6px;
  transition: all var(--transition-fast) !important;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--amber-light);
  color: var(--charcoal-deep) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--amber-glow);
}

.nav-cta::after { display: none !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1001;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--amber);
  transition: all var(--transition-fast);
  display: block;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--charcoal-deep);
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.3) contrast(1.1) saturate(0.9);
  transform: scale(1.05);
}

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26,26,26,0.6) 0%,
    rgba(26,26,26,0.3) 40%,
    rgba(26,26,26,0.7) 80%,
    rgba(34,34,34,1) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(196, 51, 51, 0.2);
  border: 1px solid rgba(196, 51, 51, 0.4);
  padding: 8px 20px;
  border-radius: 30px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero-badge span {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--red-primary);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 12px;
  color: var(--cream);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out) 0.4s forwards;
}

.hero-title .red { color: var(--red-primary); }

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 400;
  color: var(--warm-gray);
  margin-bottom: 40px;
  letter-spacing: 0.5px;
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out) 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out) 0.8s forwards;
}

.hero-sister {
  margin-top: 48px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--muted);
  opacity: 0;
  animation: fadeIn 1s var(--ease-out) 1.2s forwards;
}

.hero-sister a {
  color: var(--warm-gray);
  border-bottom: 1px solid var(--charcoal-light);
  transition: all var(--transition-fast);
}
.hero-sister a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 16px 36px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  color: var(--charcoal-deep);
  background: var(--amber);
  box-shadow: 0 4px 24px var(--amber-glow);
}
.btn-primary:hover {
  background: var(--amber-light);
  color: var(--charcoal-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(212,144,60,0.45);
}

.btn-outline {
  color: var(--amber);
  background: transparent;
  border: 1.5px solid var(--amber);
}
.btn-outline:hover {
  background: rgba(212,144,60,0.1);
  color: var(--amber-light);
  border-color: var(--amber-light);
  transform: translateY(-2px);
}

.btn-red {
  color: var(--cream);
  background: var(--red-primary);
  box-shadow: 0 4px 24px rgba(196,51,51,0.3);
}
.btn-red:hover {
  background: var(--red-warm);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(196,51,51,0.45);
}

/* ============================================================
   HOURS & ORDERING
   ============================================================ */
.hours-section {
  background: var(--charcoal);
  text-align: center;
}

.hours-section .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.hours-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.hours-card {
  background: var(--charcoal-card);
  border: 1px solid var(--charcoal-border);
  border-radius: 12px;
  padding: 44px 32px;
  text-align: center;
  transition: all var(--transition-med);
  position: relative;
  overflow: hidden;
}

.hours-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  border-radius: 12px 12px 0 0;
  transition: opacity var(--transition-fast);
}

.hours-card--dinein::before { background: var(--amber); }
.hours-card--online::before { background: var(--red-primary); }
.hours-card--bar::before { background: var(--charcoal-light); }

.hours-card:hover {
  border-color: var(--charcoal-light);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.hours-card-emoji {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
}

.hours-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 8px;
}

.hours-card .hours-time {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--amber);
  margin-bottom: 14px;
  display: block;
}

.hours-card p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 28px;
  line-height: 1.7;
}

/* ============================================================
   THE BURGERS
   ============================================================ */
.burgers {
  background: var(--charcoal-deep);
  overflow: hidden;
}

.burgers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.burgers-image {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}

.burgers-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 12px;
  transition: transform var(--transition-med);
}

.burgers-image:hover img {
  transform: scale(1.03);
}

.burgers-list {
  list-style: none;
  margin: 32px 0 40px;
}

.burgers-list li {
  font-size: 1.05rem;
  color: var(--cream-dark);
  padding: 14px 0;
  border-bottom: 1px solid var(--charcoal-border);
  display: flex;
  align-items: center;
  gap: 14px;
}

.burgers-list li::before {
  content: '🔥';
  font-size: 0.9rem;
}

/* ============================================================
   CHEF SECTION
   ============================================================ */
.chef {
  background: var(--charcoal);
}

.chef-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 56px;
  align-items: center;
}

.chef-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--charcoal-border);
  flex-shrink: 0;
}

.chef-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.chef-text h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--cream);
  margin-bottom: 8px;
}

.chef-text h2 em {
  color: var(--amber);
  font-style: normal;
}

.chef-text p {
  font-size: 1rem;
  color: var(--warm-gray);
  line-height: 1.8;
  margin-bottom: 12px;
}

/* ============================================================
   SISTER RESTAURANT BANNER
   ============================================================ */
.sister-banner {
  background: linear-gradient(135deg, rgba(201,168,76,0.08), rgba(201,168,76,0.03));
  border-top: 1px solid rgba(201,168,76,0.15);
  border-bottom: 1px solid rgba(201,168,76,0.15);
  text-align: center;
  padding: 56px 0;
}

.sister-banner .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.sister-banner-text h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 6px;
}

.sister-banner-text h3 em {
  font-family: 'Playfair Display', Georgia, serif;
  color: #C9A84C;
  font-style: italic;
}

.sister-banner-text p {
  font-size: 0.95rem;
  color: var(--muted);
}

.btn-gold {
  color: #0A0A0A;
  background: linear-gradient(135deg, #C9A84C, #A88832);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(201,168,76,0.25);
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-gold:hover {
  background: linear-gradient(135deg, #D4C07A, #C9A84C);
  color: #0A0A0A;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(201,168,76,0.4);
}

/* ============================================================
   LOCATION / VISIT
   ============================================================ */
.location {
  background: var(--charcoal-deep);
}

.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.location-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--cream);
  margin-bottom: 8px;
}

.location-details {
  margin-top: 32px;
}

.location-detail {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--charcoal-border);
}

.location-detail-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--charcoal-card);
  border: 1px solid var(--charcoal-border);
  border-radius: 8px;
}

.location-detail h4 {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 4px;
}

.location-detail p {
  font-size: 1rem;
  color: var(--cream-dark);
  line-height: 1.6;
}

.parking-callout {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
  padding: 16px 20px;
  background: rgba(212,144,60,0.08);
  border: 1px solid rgba(212,144,60,0.2);
  border-radius: 10px;
}

.parking-callout-icon { font-size: 1.5rem; }

.parking-callout h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 2px;
}

.parking-callout p {
  font-size: 0.9rem;
  color: var(--muted);
}

.location-map {
  border-radius: 12px;
  overflow: hidden;
  height: 460px;
  background: var(--charcoal-card);
  border: 1px solid var(--charcoal-border);
}

.location-map iframe {
  width: 100%; height: 100%;
  border: none;
  filter: grayscale(0.5) brightness(0.8) contrast(1.1);
  transition: filter var(--transition-fast);
}

.location-map:hover iframe {
  filter: grayscale(0.2) brightness(0.9);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--charcoal-deep);
  border-top: 1px solid var(--charcoal-border);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand { max-width: 300px; }

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--cream);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer-logo .accent { color: var(--red-primary); }

.footer-brand p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }

.footer-col a {
  font-size: 0.95rem;
  color: var(--warm-gray);
}
.footer-col a:hover { color: var(--amber); }

.footer-bottom {
  border-top: 1px solid var(--charcoal-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--muted);
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-socials a {
  font-size: 1.1rem;
  color: var(--muted);
}
.footer-socials a:hover { color: var(--amber); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible {
  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; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --section-padding: 72px 0;
    --container-padding: 0 28px;
  }
  .burgers-grid { gap: 40px; }
  .location-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 56px 0;
    --container-padding: 0 20px;
  }

  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 80%; max-width: 340px;
    height: 100vh;
    background: rgba(26,26,26,0.98);
    backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 48px 36px;
    transition: right var(--transition-med);
    border-left: 1px solid var(--charcoal-border);
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; }

  .hero-title { font-size: clamp(2.4rem, 12vw, 4rem); }
  .hero-actions { flex-direction: column; align-items: center; }

  .hours-cards { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }

  .burgers-grid { grid-template-columns: 1fr; }
  .burgers-image img { height: 320px; }

  .chef-grid { grid-template-columns: 1fr; text-align: center; justify-items: center; }

  .sister-banner .container { flex-direction: column; text-align: center; }

  .location-grid { grid-template-columns: 1fr; }
  .location-map { height: 300px; }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  :root { --container-padding: 0 16px; }
  .btn { padding: 14px 28px; font-size: 0.72rem; width: 100%; justify-content: center; }
  .chef-photo { width: 160px; height: 160px; }
}

/* Mobile overlay */
.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition-fast);
}
.nav-overlay.active { opacity: 1; pointer-events: all; }