/* ─────────────────────────────────────────────────────
   Seoul & Steel — Brand Palette
   Dark: near-black charcoal surfaces, warm ember gold accent
   Accent: #C8962A (ember gold) / #A67820 (hover)
   ───────────────────────────────────────────────────── */

:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl:  clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --content-default: 1100px;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark mode — primary (Seoul & Steel defaults dark) */
:root, [data-theme="dark"] {
  --color-bg:           #0e0d0b;
  --color-surface:      #141210;
  --color-surface-2:    #1a1714;
  --color-border:       #2e2b27;
  --color-text:         #e8e4dc;
  --color-text-muted:   #8a857c;
  --color-text-faint:   #4a4640;
  --color-gold:         #C8962A;
  --color-gold-hover:   #A67820;
  --color-gold-dim:     rgba(200, 150, 42, 0.15);
  --color-overlay:      rgba(10, 8, 6, 0.72);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Work Sans', 'Helvetica Neue', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.6);
}

/* Light mode (graceful fallback) */
[data-theme="light"] {
  --color-bg:           #f5f2ee;
  --color-surface:      #faf8f4;
  --color-surface-2:    #ffffff;
  --color-border:       #ddd9d2;
  --color-text:         #1a1714;
  --color-text-muted:   #6b6560;
  --color-text-faint:   #b5b0a8;
  --color-gold:         #9B6E15;
  --color-gold-hover:   #7A5410;
  --color-gold-dim:     rgba(155, 110, 21, 0.1);
  --color-overlay:      rgba(245, 242, 238, 0.85);
}

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

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

img, picture { display: block; max-width: 100%; height: auto; }
ul[role="list"] { list-style: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; max-width: 72ch; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border-width: 0;
}

/* ─── CONTAINER ────────────────────────────────────── */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-12));
}

/* ─── TYPOGRAPHY HELPERS ───────────────────────────── */
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}
.section-label--light { color: var(--color-gold); }
.section-label--centered { text-align: center; }

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  line-height: 1.1;
}
.section-heading--light { color: #f0ece3; }
.section-heading--centered { text-align: center; }
.section-heading em, h1 em { color: var(--color-gold); font-style: italic; font-weight: 300; }

/* ─── BUTTONS ──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.9em 2em;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-gold);
  color: #0e0d0b;
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--color-gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(200, 150, 42, 0.3);
}
.btn-ghost {
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.btn-full { width: 100%; justify-content: center; }

/* ─── NAV ──────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) clamp(var(--space-6), 5vw, var(--space-12));
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.nav--scrolled {
  border-bottom-color: var(--color-border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.nav-wordmark {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}
.nav-wordmark em { color: var(--color-gold); font-style: italic; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--color-text); }

.nav-cta {
  padding: 0.6em 1.4em;
  border: 1px solid var(--color-gold) !important;
  color: var(--color-gold) !important;
  border-radius: var(--radius-sm);
}
.nav-cta:hover {
  background: var(--color-gold-dim) !important;
  color: var(--color-gold) !important;
}

.nav-mobile-toggle { display: none; }

/* ─── HERO ──────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(var(--space-12), 8vw, var(--space-24));
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(14,13,11,0.3) 0%,
    rgba(14,13,11,0.1) 30%,
    rgba(14,13,11,0.7) 70%,
    rgba(14,13,11,0.92) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-12));
  margin-inline: auto;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
  max-width: none;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 300;
  line-height: 1.0;
  color: #f5f0e8;
  margin-bottom: var(--space-8);
}

.hero-sub {
  font-size: var(--text-base);
  color: rgba(232, 228, 220, 0.75);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  right: clamp(var(--space-6), 5vw, var(--space-12));
  z-index: 2;
}
.scroll-line {
  width: 1px;
  height: 64px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2.5s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.9; transform: scaleY(1.1); }
}

/* ─── CONCEPT ───────────────────────────────────────── */
.concept {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
}
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  align-items: center;
}
.concept-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.8;
  max-width: 52ch;
}
.concept-tagline {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-gold) !important;
  margin-top: var(--space-8);
  font-weight: 300;
}
.concept-visual {
  position: relative;
}
.concept-img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.concept-badge {
  position: absolute;
  bottom: var(--space-6);
  left: -var(--space-6);
  left: calc(-1 * var(--space-6));
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  display: flex;
  flex-direction: column;
}
.badge-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-gold);
  line-height: 1;
}
.badge-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}

/* ─── PILLARS ───────────────────────────────────────── */
.pillars {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}
.pillar {
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), transform var(--transition);
}
.pillar:hover {
  border-color: var(--color-gold);
  transform: translateY(-2px);
}
.pillar-icon {
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}
.pillar-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  margin-bottom: var(--space-4);
}
.pillar-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: none;
}

/* ─── MENU PREVIEW ──────────────────────────────────── */
.menu-preview {
  position: relative;
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
}
.menu-bg { position: absolute; inset: 0; overflow: hidden; }
.menu-bg-img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.menu-bg-overlay {
  position: absolute; inset: 0;
  background: rgba(10, 8, 6, 0.88);
}
.menu-content { position: relative; z-index: 2; }
.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  margin-top: var(--space-10);
}
.menu-category {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.menu-list li {
  font-size: var(--text-sm);
  color: rgba(232, 228, 220, 0.7);
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-gold);
  max-width: none;
  line-height: 1.5;
}
.menu-note {
  margin-top: var(--space-10);
  font-size: var(--text-xs);
  color: rgba(232, 228, 220, 0.35);
  text-align: center;
  letter-spacing: 0.04em;
  max-width: none;
}

/* ─── LOCATION ──────────────────────────────────────── */
.location {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
}
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  align-items: center;
}
.location-text p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  max-width: 52ch;
}
.location-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.stat { display: flex; flex-direction: column; gap: var(--space-1); }
.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-gold);
  line-height: 1;
}
.stat-unit {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-left: var(--space-1);
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.location-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.location-map-placeholder {
  width: 280px; height: 280px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-muted);
}
.location-pin-svg { width: 200px; height: 200px; }

/* ─── EMAIL CAPTURE ─────────────────────────────────── */
.capture {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}
.capture-inner {
  max-width: 560px;
  margin-inline: auto;
  text-align: left;
}
.capture-sub {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-10);
  max-width: 52ch;
}
.capture-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.form-group { display: flex; flex-direction: column; }
.capture-form input {
  width: 100%;
  padding: 0.9em 1.2em;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  transition: border-color var(--transition);
}
.capture-form input::placeholder { color: var(--color-text-faint); }
.capture-form input:focus {
  outline: none;
  border-color: var(--color-gold);
}
.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  max-width: none;
}

/* ─── FOOTER ────────────────────────────────────────── */
.footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
}
.footer-inner { text-align: center; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.footer-brand em { color: var(--color-gold); font-style: italic; }
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: none;
}
.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}

/* ─── FOCUS ─────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ─── RESPONSIVE ────────────────────────────────────── */
@media (max-width: 900px) {
  .pillars-grid { grid-template-columns: 1fr 1fr; }
  .concept-grid,
  .location-grid { grid-template-columns: 1fr; }
  .concept-img { height: 360px; }
  .concept-badge { left: var(--space-4); }
  .location-visual { display: none; }
  .menu-grid { grid-template-columns: 1fr; }
  .location-stats { flex-wrap: wrap; gap: var(--space-6); }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    top: 64px;
    background: var(--color-bg);
    padding: var(--space-10) var(--space-8);
    gap: var(--space-8);
    z-index: 99;
  }
  .nav-links.open a { font-size: var(--text-lg); }
  .nav-mobile-toggle { display: block; }
  .pillars-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .location-stats { gap: var(--space-6); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}