/* Atelier De Huiskamer - Main Stylesheet */

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors - Refined monochrome palette */
  --color-bg: transparent;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-accent: #333333;
  --color-border: #e0e0e0;
  --color-overlay: rgba(0, 0, 0, 0.9);
  
  /* Typography - Elegant and readable */
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Karla', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Layout */
  --max-width: 1200px;
  --nav-height: 80px;
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: #f5f5f5;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('images/background.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.40;
  z-index: -1;
  pointer-events: none;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.7;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
  max-width: 65ch;
}

.lead-text {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 60ch;
}

/* ===== NAVIGATION ===== */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: transparent;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(224, 224, 224, 0.3);
  z-index: 1000;
  transition: transform 0.3s ease;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}

.logo-main {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  line-height: 1;
}

.logo-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
  font-family: var(--font-body);
  opacity: 0.8;
  line-height: 1;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-text);
  transition: width 0.3s ease;
}

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

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-text);
  margin: 5px 0;
  transition: 0.3s;
}

/* ===== LAYOUT ===== */
main {
  margin-top: var(--nav-height);
}

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

.section {
  padding: var(--spacing-md) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
}

.hero-content {
  max-width: 800px;
  background-color: rgba(255, 255, 255, 0.20);
  padding: var(--spacing-md);
  border-radius: 8px;
  backdrop-filter: blur(8px);
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero .tagline {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

/* ===== PORTFOLIO GRID ===== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
  background-color: transparent;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.portfolio-card:hover {
  transform: translateY(-4px);
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-card:hover img {
  transform: scale(1.05);
}

.portfolio-card-overlay {
  display: none;
}

.portfolio-card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

.portfolio-card-subtitle {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* ===== PORTFOLIO SECTIONS ===== */
.portfolio-section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.section-card {
  text-align: center;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  background-color: rgba(255, 255, 255, 0.20);
  backdrop-filter: blur(8px);
  border-radius: 4px;
  transition: border-color 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.section-card h3 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-sm);
}

.section-card p {
  margin: 0 auto var(--spacing-md);
  color: var(--color-text-secondary);
  flex-grow: 1;
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-text);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-width: 140px;
  text-align: center;
  margin-top: auto;
}

.btn:hover {
  background-color: var(--color-text);
  color: var(--color-bg);
  opacity: 1;
}

/* ===== BLOG ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.blog-card {
  border: 1px solid var(--color-border);
  background-color: rgba(255, 255, 255, 0.20);
  backdrop-filter: blur(8px);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
}

.blog-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  background-color: transparent;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-content {
  padding: var(--spacing-md);
}

.blog-category {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.blog-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.blog-excerpt {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.blog-meta {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ===== CONTACT ===== */
.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-info {
  margin-top: var(--spacing-lg);
}

.contact-item {
  margin-bottom: var(--spacing-md);
}

.contact-item h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.contact-item a {
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  transition: border-color 0.3s ease;
}

.contact-item a:hover {
  border-color: var(--color-text);
  opacity: 1;
}

/* ===== LIGHTBOX ===== */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-overlay);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  animation: fadeIn 0.3s ease;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
  animation: scaleIn 0.3s ease;
}

.lightbox-image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

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

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  font-size: 2rem;
  padding: var(--spacing-md);
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.3s ease, background 0.3s ease;
}

.lightbox-nav:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
  left: var(--spacing-md);
}

.lightbox-next {
  right: var(--spacing-md);
}

/* ===== PASSWORD PROTECTION ===== */
.password-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.password-form {
  text-align: center;
  max-width: 400px;
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  background-color: rgba(255, 255, 255, 0.20);
  backdrop-filter: blur(10px);
  border-radius: 4px;
}

.password-form h2 {
  margin-bottom: var(--spacing-md);
}

.password-form p {
  margin: 0 auto var(--spacing-md);
  color: var(--color-text-secondary);
}

.password-input {
  width: 100%;
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 1rem;
}

.password-input:focus {
  outline: none;
  border-color: var(--color-text);
}

.password-error {
  color: #d32f2f;
  font-size: 0.9rem;
  margin-top: var(--spacing-xs);
  display: none;
}

.password-error.show {
  display: block;
}

.content-locked {
  display: none;
}

.content-unlocked {
  display: block;
}

/* ===== FOOTER ===== */
footer {
  background-color: transparent;
  color: var(--color-text);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
  border-top: 1px solid rgba(224, 224, 224, 0.3);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  text-align: center;
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: 0.9rem;
  opacity: 0.7;
  text-align: center;
  margin: 0 auto;
  width: 100%;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { 
    opacity: 0;
    transform: scale(0.9);
  }
  to { 
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: rgba(245, 245, 245, 0.9);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    border-bottom: 1px solid rgba(224, 224, 224, 0.3);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .portfolio-section-grid {
    grid-template-columns: 1fr;
  }
  
  .lightbox-nav {
    font-size: 1.5rem;
    padding: var(--spacing-sm);
  }
  
  .lightbox-prev {
    left: var(--spacing-xs);
  }
  
  .lightbox-next {
    right: var(--spacing-xs);
  }
}

/* ===== UTILITIES ===== */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.hidden {
  display: none !important;
}