/* ============================================
   URIARTE SEBASTIAN - Web 2026
   Estilo: Minimalista Elegante
   ============================================ */

/* Variables */
:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-light: #666666;
  --color-accent: #8B7355;
  --color-border: #e5e5e5;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --transition: 0.3s ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.25rem;
  color: var(--color-text-light);
}

p {
  margin-bottom: 1rem;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.logo span {
  font-weight: 300;
  color: var(--color-text-light);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

nav a {
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 2rem;
  background: linear-gradient(to bottom, #fafafa, #ffffff);
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.hero-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 3rem auto 1rem;
  padding: 2rem;
  border-left: 2px solid var(--color-accent);
  text-align: left;
}

.hero-quote cite {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  font-size: 0.875rem;
  color: var(--color-accent);
}

/* Sections */
section {
  padding: 6rem 0;
}

section:nth-child(even) {
  background: #fafafa;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Page header */
.page-header {
  padding: 150px 0 80px;
  text-align: center;
  background: linear-gradient(to bottom, #fafafa, #ffffff);
}

/* Gallery Grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  background: #f5f5f5;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
  font-size: 0.875rem;
  transform: translateY(100%);
  transition: transform var(--transition);
}

.gallery-item:hover figcaption {
  transform: translateY(0);
}

/* Placeholder for missing images */
.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e8e4df 0%, #d4cec6 100%);
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-size: 0.875rem;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-left: 3rem;
  padding-bottom: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 0.5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
}

.timeline-year {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.timeline-content p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

/* Exposiciones list */
.expo-list {
  max-width: 800px;
  margin: 0 auto;
}

.expo-item {
  display: flex;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.expo-year {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-accent);
  min-width: 80px;
}

.expo-details h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.expo-details p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin: 0;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 900px;
  margin: 0 auto;
}

.contact-info h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

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

/* Footer */
footer {
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: 0.875rem;
}

footer p {
  margin-bottom: 0.5rem;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.95);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.active {
  display: flex;
}

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

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.lightbox-close:hover {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  header .container {
    height: 60px;
  }

  nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: white;
    padding: 2rem;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 120px 1.5rem 80px;
  }

  section {
    padding: 4rem 0;
  }

  .page-header {
    padding: 120px 0 60px;
  }

  .gallery {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .expo-item {
    flex-direction: column;
    gap: 0.5rem;
  }

  .timeline::before {
    left: 4px;
  }

  .timeline-item {
    padding-left: 2rem;
  }
}

/* Utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }