/* ===== VARIABLES ===== */
:root {
  --color-bg: #ffffff;
  --color-surface: #f7f7f7;
  --color-text: #1a1a1a;
  --color-text-muted: #6b6b6b;
  --color-accent: #c9a96e;
  --color-border: #e8e8e8;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --nav-height: 70px;
  --max-width: 1200px;
  --gap: clamp(1rem, 3vw, 2rem);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; }

/* ===== BASE ===== */
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); }

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 100;
  transition: background 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
  background: var(--color-bg);
  box-shadow: 0 1px 0 var(--color-border);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.site-nav ul {
  display: flex;
  gap: 2.5rem;
}
.site-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.site-nav a:hover,
.site-nav a.active { color: var(--color-accent); }

/* Transparent nav over hero pages */
.page-home .site-header:not(.scrolled) .site-logo,
.page-home .site-header:not(.scrolled) .site-nav a,
.page-gallery .site-header:not(.scrolled) .site-logo,
.page-gallery .site-header:not(.scrolled) .site-nav a {
  color: rgba(255,255,255,0.92);
}
.page-home .site-header:not(.scrolled) .nav-toggle span,
.page-gallery .site-header:not(.scrolled) .nav-toggle span {
  background: #fff;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: background 0.2s;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  transition: background 0.2s, color 0.2s;
}
.btn-light { color: #fff; border-color: rgba(255,255,255,0.7); }
.btn-light:hover { background: #fff; color: var(--color-text); }
.btn-dark { color: var(--color-text); border-color: var(--color-text); }
.btn-dark:hover { background: var(--color-text); color: #fff; }

/* ===== HERO (home + gallery pages) ===== */
.hero {
  height: 100vh;
  min-height: 600px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.38);
}
.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: var(--gap);
}
.hero-name { margin-bottom: 0.5rem; }
.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 300;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  letter-spacing: 0.04em;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.hero-social {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}
.hero-social a {
  color: rgba(255,255,255,0.75);
  transition: color 0.2s;
}
.hero-social a:hover { color: #fff; }

/* Page hero (shorter, used on gallery category pages) */
.page-hero {
  height: 55vh;
  min-height: 400px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  position: relative;
  padding-top: var(--nav-height);
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.42);
}
.page-hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: var(--gap);
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}
.page-hero-content h1 { font-size: clamp(2rem, 5vw, 4rem); }

/* ===== HOME INTRO ===== */
.home-intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 7rem) var(--gap);
}
.home-intro p {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

/* ===== CATEGORY CARDS (home preview + portfolio landing) ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap) clamp(4rem, 10vw, 7rem);
}
.category-card {
  display: block;
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover img { transform: scale(1.04); }
.category-card-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 3rem 1.5rem 1.5rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: #fff;
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
}

/* ===== PORTFOLIO LANDING ===== */
.portfolio-header {
  padding: clamp(6rem, 12vw, 10rem) var(--gap) clamp(2rem, 5vw, 4rem);
  text-align: center;
}
.portfolio-header h1 { margin-bottom: 0.5rem; }
.portfolio-header p { color: var(--color-text-muted); }

/* ===== GALLERY GRID ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: clamp(2rem, 4vw, 3rem) var(--gap) clamp(4rem, 8vw, 6rem);
  max-width: var(--max-width);
  margin: 0 auto;
}
.gallery-link {
  display: block;
  aspect-ratio: 2 / 3;
  overflow: hidden;
}
.gallery-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.25s;
}
.gallery-link:hover img { opacity: 0.88; }

/* ===== ABOUT ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(6rem, 12vw, 10rem) var(--gap) clamp(4rem, 8vw, 6rem);
}
.about-photo img { width: 100%; }
.about-text h1 { margin-bottom: 1.5rem; }
.about-text p {
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 1rem;
}

/* ===== STATS / COMP CARD ===== */
.stats-layout {
  max-width: 580px;
  margin: 0 auto;
  padding: clamp(6rem, 12vw, 10rem) var(--gap) clamp(4rem, 8vw, 6rem);
}
.stats-layout h1 { margin-bottom: 0.25rem; }
.stats-subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}
.stats-group { margin-bottom: 2.5rem; }
.stats-group-title {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.75rem;
}
.stats-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.stats-label { color: var(--color-text-muted); }
.stats-value { font-weight: 500; }

/* ===== CONTACT FORM ===== */
.contact-layout {
  max-width: 580px;
  margin: 0 auto;
  padding: clamp(6rem, 12vw, 10rem) var(--gap) clamp(4rem, 8vw, 6rem);
}
.contact-layout h1 { margin-bottom: 0.5rem; }
.contact-intro {
  color: var(--color-text-muted);
  margin-bottom: clamp(2rem, 5vw, 4rem);
  line-height: 1.7;
}
.form-group { margin-bottom: 1.75rem; }
.form-group label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-bottom-color: var(--color-accent); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-submit { margin-top: 2.5rem; }
.notices { margin-top: 1.5rem; }
.notices .notice { color: var(--color-accent); font-size: 0.95rem; }

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.75rem var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-social { display: flex; gap: 1.5rem; }
.footer-social a { color: var(--color-text-muted); transition: color 0.2s; }
.footer-social a:hover { color: var(--color-text); }
.footer-copy { font-size: 0.8rem; color: var(--color-text-muted); }

/* ===== LIGHTBOX ===== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}
.lightbox-overlay.active { display: flex; }
.lightbox-img { max-width: 90vw; max-height: 90vh; object-fit: contain; }
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: fixed;
  color: rgba(255,255,255,0.8);
  background: none;
  border: none;
  font-size: 1.75rem;
  line-height: 1;
  padding: 1rem;
  transition: color 0.2s;
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { color: #fff; }
.lightbox-close { top: 1rem; right: 1rem; }
.lightbox-prev { left: 0.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 0.5rem; top: 50%; transform: translateY(-50%); }

/* ===== ERROR PAGE ===== */
.error-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--gap);
}
.error-layout h1 {
  font-size: clamp(5rem, 15vw, 12rem);
  color: var(--color-border);
  margin-bottom: 0;
}
.error-layout h2 { margin-bottom: 1rem; }
.error-layout p { color: var(--color-text-muted); margin-bottom: 2rem; }

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: fixed;
    inset: var(--nav-height) 0 0;
    background: var(--color-bg);
    padding: 2.5rem var(--gap);
    overflow-y: auto;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 2rem; }
  .site-nav a { font-size: 1.1rem; letter-spacing: 0.06em; }

  .category-grid,
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .about-layout { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .category-grid,
  .gallery-grid { grid-template-columns: 1fr; }

  .hero-actions { flex-direction: column; align-items: center; }
}