/* =========================================================
   Al Ustad Special Kabab — design system
   Tokens declared on :root, themed via [data-theme]
   ========================================================= */

:root {
  /* Brand palette (per brief §5) */
  --ink: #1A1A1A;
  --ink-soft: #2A2622;
  --saffron: #D69E2E;
  --saffron-deep: #B8862A;
  --terracotta: #A63A2A;
  --terracotta-deep: #8A2E20;
  --cream: #F5EFE2;
  --cream-deep: #EDE4D0;
  --persian-blue: #1E4E6B;
  --persian-blue-deep: #163C53;
  --muted: #6B6157;
  --muted-soft: #8A7F71;
  --line: #E4DCC9;
  --line-soft: #EFE8D6;
  --white: #FBF8F0;

  /* Active accents (Tweaks-swappable) */
  --accent: var(--saffron);
  --accent-deep: var(--saffron-deep);
  --accent-2: var(--terracotta);
  --accent-2-deep: var(--terracotta-deep);

  /* Type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  /* Radius */
  --radius: 6px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  /* Layout */
  --content-max: 1240px;
  --content-wide: 1440px;
  --nav-h: 68px;
}

[data-theme="terracotta"] {
  --accent: var(--terracotta);
  --accent-deep: var(--terracotta-deep);
  --accent-2: var(--saffron);
  --accent-2-deep: var(--saffron-deep);
}
[data-theme="persian"] {
  --accent: var(--persian-blue);
  --accent-deep: var(--persian-blue-deep);
  --accent-2: var(--saffron);
  --accent-2-deep: var(--saffron-deep);
}

[data-density="compact"] {
  --space-7: 2rem;
  --space-8: 3rem;
  --space-9: 4rem;
}

/* =========================================================
   Reset & base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

p { margin: 0 0 var(--space-4); text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 var(--space-4);
  font-variation-settings: "opsz" 144, "SOFT" 30;
  text-wrap: balance;
}

.h-display { font-size: clamp(3rem, 7vw, 6.5rem); line-height: 0.95; letter-spacing: -0.025em; font-weight: 500; }
.h1 { font-size: clamp(2.25rem, 4.4vw, 4rem); line-height: 1.02; letter-spacing: -0.02em; }
.h2 { font-size: clamp(1.75rem, 3vw, 2.75rem); line-height: 1.08; letter-spacing: -0.015em; }
.h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); line-height: 1.2; }
.h4 { font-size: 1.125rem; line-height: 1.3; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin: 0 0 var(--space-3);
}

.eyebrow-rule {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.eyebrow-rule::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

.lede {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.25rem, 1.6vw, 1.5rem);
  line-height: 1.35;
  color: var(--ink-soft);
  font-style: italic;
}

.serif { font-family: var(--font-display); }
.mono { font-family: var(--font-mono); }
.smallcaps {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
}
.num {
  font-family: var(--font-display);
  font-feature-settings: "lnum", "tnum";
}

.muted { color: var(--muted); }

/* =========================================================
   Layout primitives
   ========================================================= */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.container-wide {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section { padding: var(--space-9) 0; }
.section-tight { padding: var(--space-8) 0; }

.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* =========================================================
   Navbar
   ========================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 239, 226, 0.92);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.nav-brand {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.nav-brand .ar {
  font-family: "Amiri", "IBM Plex Sans Arabic", serif;
  font-weight: 500;
  color: var(--accent-deep);
  font-size: 1.1rem;
  margin-inline-start: 0.15em;
}
.nav-since {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-inline-start: var(--space-2);
}
.nav-links {
  display: flex;
  gap: var(--space-5);
  margin-inline-start: auto;
  align-items: center;
}
.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 2px;
  transition: color 0.18s ease;
}
.nav-link:hover { color: var(--ink); }
.nav-link.is-active {
  color: var(--ink);
}
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.nav-lang {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: var(--radius);
  background: transparent;
  letter-spacing: 0.08em;
  cursor: not-allowed;
  opacity: 0.7;
}
.nav-cta {
  background: var(--ink);
  color: var(--cream);
  padding: 9px 14px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid var(--ink);
  transition: background 0.18s ease;
}
.nav-cta:hover { background: var(--ink-soft); }

@media (max-width: 820px) {
  .nav-links .nav-link.minor { display: none; }
  .nav-since { display: none; }
  .nav-cta { display: none; }
}
@media (max-width: 580px) {
  .nav-links { gap: var(--space-4); }
  .nav-link { font-size: 0.85rem; }
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 46px;
  padding: 0 22px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all 0.18s ease;
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--cream); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-secondary:hover { background: var(--ink); color: var(--cream); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }

.btn-dark {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}
.btn-dark:hover { background: var(--ink-soft); }

.btn-arrow::after {
  content: "→";
  margin-inline-start: 4px;
  transition: transform 0.18s ease;
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* Inline link, underlined-on-hover, with arrow */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--accent-deep);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: gap 0.18s ease, color 0.18s ease;
}
.link-arrow:hover { gap: 10px; color: var(--ink); }

/* =========================================================
   Chips
   ========================================================= */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: var(--cream-deep);
  border: 1px solid var(--line);
  white-space: nowrap;
}
.chip.signature { background: rgba(214, 158, 46, 0.14); color: var(--saffron-deep); border-color: rgba(214, 158, 46, 0.3); }
.chip.tangy { background: rgba(166, 58, 42, 0.1); color: var(--terracotta-deep); border-color: rgba(166, 58, 42, 0.25); }
.chip.saffron { background: rgba(214, 158, 46, 0.14); color: var(--saffron-deep); border-color: rgba(214, 158, 46, 0.3); }
.chip.premium { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.chip.veg { background: rgba(30, 78, 107, 0.08); color: var(--persian-blue); border-color: rgba(30, 78, 107, 0.22); }

.dish-code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
}

/* =========================================================
   Footer
   ========================================================= */
.foot {
  background: var(--ink);
  color: var(--cream);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: var(--space-8);
}
.foot a { color: var(--cream); }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-7);
  align-items: start;
}
.foot-brand .nav-brand { color: var(--cream); }
.foot-brand .nav-brand .ar { color: var(--accent); }
.foot-tag {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-style: italic;
  color: rgba(245, 239, 226, 0.75);
  font-size: 1.05rem;
  line-height: 1.4;
  max-width: 26ch;
}
.foot-col h5 {
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 var(--space-4);
}
.foot-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.foot-col li { font-size: 0.93rem; color: rgba(245, 239, 226, 0.85); }
.foot-col a:hover { color: var(--accent); }
.foot-rule { border: 0; border-top: 1px solid rgba(245, 239, 226, 0.15); margin: var(--space-7) 0 var(--space-5); }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  font-size: 0.78rem;
  color: rgba(245, 239, 226, 0.55);
  flex-wrap: wrap;
}
@media (max-width: 820px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .foot-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   Sticky mobile CTA cluster (per brief §6/§10)
   ========================================================= */
.cta-cluster {
  display: none;
}
@media (max-width: 768px) {
  .cta-cluster {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 60;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1px;
    background: var(--line);
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 24px rgba(26, 26, 26, 0.08);
  }
  .cta-cluster a {
    background: var(--cream);
    padding: 12px 4px 10px;
    text-align: center;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ink);
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .cta-cluster a strong { font-size: 0.85rem; }
  .cta-cluster a.primary { background: var(--accent); }
  body { padding-bottom: 70px; }
}

/* =========================================================
   WhatsApp FAB
   ========================================================= */
.fab {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 55;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #128C7E;
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(18, 140, 126, 0.35);
  transition: transform 0.2s ease;
}
.fab:hover { transform: translateY(-2px); }
.fab svg { width: 26px; height: 26px; }
@media (max-width: 768px) {
  .fab { bottom: 82px; right: 16px; width: 48px; height: 48px; }
}

/* =========================================================
   Misc helpers
   ========================================================= */
.placeholder-img {
  background:
    repeating-linear-gradient(135deg, var(--line-soft) 0 12px, var(--cream-deep) 12px 24px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
  padding: var(--space-5);
}

.kicker-rule {
  display: inline-block;
  width: 36px;
  height: 2px;
  background: var(--accent);
  margin-bottom: var(--space-3);
}

.fact {
  font-family: var(--font-display);
  font-feature-settings: "lnum", "tnum";
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.figure-credit {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-top: 8px;
  text-transform: uppercase;
}

/* Selection */
::selection { background: var(--accent); color: var(--ink); }