@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --sb-ink: #1c1917;
  --sb-charcoal: #2a2622;
  --sb-cream: #faf8f5;
  --sb-gold: #a8863f;

  /* Theme tokens (light) */
  --bg-page: #faf8f5;
  --bg-page-90: rgba(250, 248, 245, 0.9);
  --bg-card: #ffffff;
  --text-primary: #1c1917;
  --text-sec-400: #a8a29e;
  --text-sec-500: #78716c;
  --text-sec-600: #57534e;
  --text-sec-700: #44403c;
  --border-1: #e7e5e4;
  --border-2: #d6d3d1;
  --prose-body: #2a2622;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-page: #15130f;
    --bg-page-90: rgba(21, 19, 15, 0.88);
    --bg-card: #201d18;
    --text-primary: #f3ede3;
    --text-sec-400: #8a8378;
    --text-sec-500: #a39c8f;
    --text-sec-600: #b8b1a2;
    --text-sec-700: #cdc6b6;
    --border-1: #2c2820;
    --border-2: #3a352b;
    --prose-body: #d8d2c4;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg-page: #15130f;
  --bg-page-90: rgba(21, 19, 15, 0.88);
  --bg-card: #201d18;
  --text-primary: #f3ede3;
  --text-sec-400: #8a8378;
  --text-sec-500: #a39c8f;
  --text-sec-600: #b8b1a2;
  --text-sec-700: #cdc6b6;
  --border-1: #2c2820;
  --border-2: #3a352b;
  --prose-body: #d8d2c4;
  color-scheme: dark;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-primary);
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Remap the Tailwind utility classes that carry theme-dependent colors
   to the CSS variables above. Loaded after tailwind.css, so these win
   the cascade at equal specificity without needing !important. */
.bg-cream { background-color: var(--bg-page); }
.bg-cream\/90 { background-color: var(--bg-page-90); }
.bg-white { background-color: var(--bg-card); }
.text-ink { color: var(--text-primary); }
.text-stone-400 { color: var(--text-sec-400); }
.text-stone-500 { color: var(--text-sec-500); }
.text-stone-600 { color: var(--text-sec-600); }
.text-stone-700 { color: var(--text-sec-700); }
.border-stone-200 { border-color: var(--border-1); }
.border-stone-300 { border-color: var(--border-2); }

::selection {
  background-color: var(--sb-gold);
  color: var(--sb-cream);
}

.font-serif-brand {
  font-family: 'Playfair Display', Georgia, serif;
}

/* Subtle dotted texture used behind hero/CTA sections */
.bg-dot-texture {
  background-image: radial-gradient(circle, rgba(28, 25, 23, 0.09) 1px, transparent 1px);
  background-size: 18px 18px;
}

.bg-dot-texture-light {
  background-image: radial-gradient(circle, rgba(250, 248, 245, 0.12) 1px, transparent 1px);
  background-size: 18px 18px;
}

/* Soft glow blobs for hero background */
.bg-glow {
  position: absolute;
  border-radius: 9999px;
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

/* Header shadow once page is scrolled */
header.is-scrolled {
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 8px 24px -12px rgba(28, 25, 23, 0.12);
}

/* Scroll-reveal utility, toggled by main.js via IntersectionObserver */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Card lift on hover */
.card-lift {
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.card-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(28, 25, 23, 0.25);
}

/* Article prose */
.prose-article {
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  line-height: 1.8;
  color: var(--prose-body);
}

.prose-article > p:first-of-type {
  font-size: 1.15rem;
  color: var(--text-sec-700);
}

.prose-article h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.6rem;
  font-weight: 600;
  margin-top: 2.75rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  scroll-margin-top: 6rem;
}

.prose-article h3 {
  font-weight: 600;
  font-size: 1.15rem;
  margin-top: 1.75rem;
  margin-bottom: 0.6rem;
}

.prose-article p {
  margin-bottom: 1.1rem;
}

.prose-article ul {
  margin: 1.1rem 0;
  padding-left: 0;
  list-style: none;
}

.prose-article li {
  margin-bottom: 0.65rem;
  padding-left: 1.6rem;
  position: relative;
}

.prose-article li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background-color: var(--sb-gold);
}

.prose-article a {
  color: var(--sb-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose-article strong {
  color: var(--text-primary);
}

/* Hero photo overlay + object-fit (hand-written: local Tailwind build was hanging) */
.hero-photo-overlay {
  background-image: linear-gradient(to top, rgba(28, 25, 23, 0.92), rgba(28, 25, 23, 0.08) 55%, transparent);
}

.object-cover {
  object-fit: cover;
}

/* Language switcher flags */
.lang-switch a {
  font-size: 1.05rem;
  line-height: 1;
  opacity: 0.4;
  filter: grayscale(35%);
  transition: opacity 0.2s ease, filter 0.2s ease;
  text-decoration: none;
}

.lang-switch a:hover,
.lang-switch a.is-active {
  opacity: 1;
  filter: none;
}

/* Table of contents active link */
.toc-link.is-active {
  color: var(--text-primary);
  font-weight: 600;
}

/* Dark/light mode toggle button */
.theme-toggle {
  color: var(--text-primary);
  border-color: var(--border-2);
}

.theme-icon-sun,
.theme-icon-moon {
  display: block;
}

.theme-icon-sun { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-icon-moon { display: none; }
}

:root[data-theme="dark"] .theme-icon-sun { display: block; }
:root[data-theme="dark"] .theme-icon-moon { display: none; }
:root[data-theme="light"] .theme-icon-sun { display: none; }
:root[data-theme="light"] .theme-icon-moon { display: block; }