/* ── Reset ───────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

/* ── Design tokens ───────────────────────────────────────── */

:root {
  /* Light (default) */
  --bg:           #faf7f2;
  --surface:      #f0ebe0;
  --text:         #2c2416;
  --text-muted:   #6b5c45;
  --accent:       #2e5f7e;
  --accent-hover: #1d4a63;
  --divider:      #c8b99a;
  --quote-bg:     #e8e0d0;
  --toggle-bg:    #d4c9b4;
  --focus-ring:   #2e5f7e;
}

/* Explicit dark class */
:root.dark {
  --bg:           #18140f;
  --surface:      #211c16;
  --text:         #f0e8d8;
  --text-muted:   #9d8e78;
  --accent:       hsl(9, 43%, 59%);
  --accent-hover: hsl(16, 48%, 67%);
  --divider:      #3e342a;
  --quote-bg:     #1e1a13;
  --toggle-bg:    #2e2820;
  --focus-ring:   hsl(28, 43%, 59%);
}

/* Auto dark — OS preference only when no explicit class is set */
@media (prefers-color-scheme: dark) {
  :root:not(.light) {
    --bg:           #18140f;
    --surface:      #211c16;
    --text:         #f0e8d8;
    --text-muted:   #9d8e78;
    --accent:       hsl(38, 43%, 59%);
    --accent-hover: hsl(38, 48%, 67%);
    --divider:      #3e342a;
    --quote-bg:     #1e1a13;
    --toggle-bg:    #2e2820;
    --focus-ring:   hsl(1, 43%, 59%);
  }
}

/* ── Base ────────────────────────────────────────────────── */

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Crimson Pro', Georgia, serif;
  font-weight: 300;
  font-size: 1.25rem;   /* 20px */
  line-height: 1.7;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 400;
  line-height: 1.2;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
a:hover { color: var(--accent-hover); }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── Page wrapper ────────────────────────────────────────── */

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Site header ─────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  background-color: var(--bg);
  border-bottom: 1px solid var(--divider);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.site-header-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* ── Theme toggle ────────────────────────────────────────── */

.theme-toggle {
  appearance: none;
  border: 1px solid var(--divider);
  border-radius: 50%;
  background: var(--toggle-bg);
  color: var(--text);
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  flex-shrink: 0;
}
.theme-toggle:hover { transform: scale(1.1); }

/* ── Wave divider ────────────────────────────────────────── */

.wave-divider {
  border: none;
  border-top: 2px dashed var(--divider);
  margin: 0;
  opacity: 0.7;
}

/* ── Hero ────────────────────────────────────────────────── */

.hero {
  padding: 5rem 0 4rem;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(3rem, 8vw, 5rem);
  font-style: italic;
  letter-spacing: 0.02em;
  color: var(--text);
}

.hero-subtitle {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: 'Crimson Pro', Georgia, serif;
  font-weight: 300;
}

/* ── About ───────────────────────────────────────────────── */

.about {
  padding: 4rem 0;
}

.about-intro {
  margin: 0 0 2.5rem;
  color: var(--text-muted);
}

.about-quote {
  margin: 0 0 2.5rem;
  padding: 1.75rem 2rem;
  background: var(--quote-bg);
  border-left: 3px solid var(--divider);
  border-radius: 2px;
  transition: background-color 0.3s ease;
}

.about-quote p {
  margin: 0 0 0.75rem;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.3rem;
  font-style: italic;
  color: var(--text);
}

.about-quote footer {
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.about-cta {
  margin: 0 0 0.5rem;
  color: var(--text-muted);
  font-style: italic;
}

.about-contact {
  margin: 0;
  font-size: 1.1rem;
}

/* ── Site main ───────────────────────────────────────────── */

.site-main { display: block; }

/* ── Gallery ─────────────────────────────────────────────── */

.gallery {
  padding: 4rem 0 5rem;
}

.gallery h2 {
  margin: 0 0 2rem;
  font-size: 1.5rem;
  font-style: italic;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.gallery-frame {
  position: relative;
  width: 100%;
  max-width: 720px;
  aspect-ratio: 4 / 3;
  margin: 0 0 1.5rem;
  border-radius: 2px;
  overflow: hidden;
  background: var(--surface);
  transition: background-color 0.3s ease;
}

.gallery-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Cross-fade: enter fades in below, exit fades out on top */
.gallery-image--enter {
  z-index: 1;
  animation: gallery-fade-in 0.45s ease-in-out forwards;
}

.gallery-image--exit {
  z-index: 2;
  animation: gallery-fade-out 0.45s ease-in-out forwards;
}

@keyframes gallery-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes gallery-fade-out {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* Dot indicators */

.gallery-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.25rem;
  padding: 0.25rem 0;
}

.gallery-dot {
  appearance: none;
  border: none;
  border-radius: 50%;
  /* visual size */
  width: 0.625rem;
  height: 0.625rem;
  padding: 0;
  /* expand tap target without affecting layout */
  margin: 0.375rem;
  background: var(--divider);
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease;
  /* ensure minimum 44px tap area via touch-action */
  touch-action: manipulation;
}

.gallery-dot:hover { transform: scale(1.4); }

.gallery-dot--active {
  background: var(--accent);
  transform: scale(1.2);
}

.gallery-placeholder {
  color: var(--text-muted);
  font-style: italic;
}

/* ── Site footer ─────────────────────────────────────────── */

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--divider);
  transition: border-color 0.3s ease;
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
  letter-spacing: 0.04em;
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 600px) {
  .page { padding: 0 1.25rem; }
  .hero { padding: 3.5rem 0 3rem; }
  .hero h1 { font-size: clamp(2.75rem, 10vw, 4rem); }
  .about { padding: 3rem 0; }
  .about-quote { padding: 1.25rem 1.25rem; }
  .gallery { padding: 3rem 0 4rem; }
  .gallery-dot { margin: 0.5rem; }
}