/* ===== Design tokens ===== */
:root {
  --color-bg: #0d0d0d;
  --color-bg-alt: #161616;
  --color-text: #f2f2f0;
  --color-text-muted: #a8a8a4;
  --color-accent: #d4c4a8;
  --color-border: #2a2a2a;
  --font-heading: "Cormorant Garamond", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max-width: 1280px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #faf9f7;
    --color-bg-alt: #f0efeb;
    --color-text: #1a1a1a;
    --color-text-muted: #5c5c58;
    --color-accent: #8a7556;
    --color-border: #dddad4;
  }
}

/* ===== Reset ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

@media (prefers-color-scheme: light) {
  .site-header { background: rgba(250, 249, 247, 0.85); }
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: var(--space-4);
}

.nav-links a {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .nav-links.is-open { max-height: 300px; }

  .nav-links a {
    padding: var(--space-2) var(--space-3);
    border-top: 1px solid var(--color-border);
  }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  height: 90vh;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  background-color: var(--color-bg-alt);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

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

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-5) var(--space-3);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
  width: 100%;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: #fff;
}

.hero-subtitle {
  color: #e6e6e6;
  margin-top: var(--space-1);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

/* ===== Sections ===== */
.section {
  padding: var(--space-6) 0;
}

.section-heading {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: var(--space-4);
}

.section-intro {
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: var(--space-4);
}

/* ===== Gallery grid ===== */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.filter-btn {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.is-active {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--color-bg-alt);
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img { transform: scale(1.06); }

.gallery-item-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-2);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  color: #fff;
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.gallery-item:hover .gallery-item-caption { opacity: 1; }

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
}

.lightbox.is-open { display: flex; }

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  padding: var(--space-2);
  line-height: 1;
}

.lightbox-close { top: var(--space-2); right: var(--space-2); }
.lightbox-prev { left: var(--space-2); top: 50%; transform: translateY(-50%); }
.lightbox-next { right: var(--space-2); top: 50%; transform: translateY(-50%); }

/* ===== About page ===== */
.about-layout {
  display: grid;
  grid-template-columns: minmax(240px, 380px) 1fr;
  gap: var(--space-5);
  align-items: start;
}

@media (max-width: 800px) {
  .about-layout { grid-template-columns: 1fr; }
}

.about-portrait img {
  border-radius: 4px;
}

.about-text p { margin-bottom: var(--space-2); color: var(--color-text-muted); }

/* ===== Contact ===== */
.contact-form {
  max-width: 560px;
  display: grid;
  gap: var(--space-2);
}

.form-field {
  display: grid;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.form-field input,
.form-field textarea {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.75rem 1rem;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
}

.form-field textarea { min-height: 140px; resize: vertical; }

.btn {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  width: fit-content;
}

.contact-info {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

.contact-info a { color: var(--color-accent); }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
}

.social-links {
  display: flex;
  gap: var(--space-2);
}