/* Modern Design System 2026 - Lot de Haan */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600&display=swap');

:root {
  /* Color Palette */
  --bg-dark: #050507;
  --bg-secondary: #0a0e14;
  --bg-card: rgba(22, 27, 34, 0.7);
  
  --text-main: #f5f5f7;
  --text-muted: #a0a0a0;
  --text-light: #e0e0e0;

  --accent-gold: #D4AF37;
  --accent-gold-dim: rgba(212, 175, 55, 0.2);
  --accent-beige: #E8D5C4;
  --accent-purple: #4A5073;
  --accent-gradient: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-beige) 100%);
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Spacing */
  --spacing-container: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Effects */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: 1px solid rgba(255, 255, 255, 0.05);
  --backdrop-blur: blur(12px);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--text-main);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

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

img {
  max-width: 100%;
  display: block;
  border-radius: var(--border-radius-sm);
}

ul { list-style: none; }

/* Utilities */
.container {
  max-width: var(--spacing-container);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--border-radius-md);
  font-weight: 500;
  font-family: var(--font-heading);
  transition: all var(--transition-smooth);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--text-main);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background: var(--accent-beige);
  color: var(--bg-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(232, 213, 196, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--text-main);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-main);
}

.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(5, 5, 7, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width var(--transition-smooth);
}

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

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1001;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: contrast(1.1) brightness(0.8);
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, var(--bg-dark) 0%, rgba(5,5,7,0.4) 50%, rgba(5,5,7,0.7) 100%);
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero-subtitle {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.875rem;
  color: var(--accent-gold);
  margin-bottom: var(--spacing-sm);
  display: block;
}

/* Cards & Grid */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.card {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--border-radius-md);
  padding: 2rem;
  transition: var(--transition-smooth);
}

.card:hover {
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-5px);
  border-color: rgba(212, 175, 55, 0.3);
}

/* Project Item */
.project-item {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  group: project-hover;
}

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

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

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s ease;
}

.project-item:hover .project-overlay {
  transform: translateY(0);
  opacity: 1;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

.form-input, .form-textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  color: var(--text-main);
  font-family: var(--font-body);
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
  background: rgba(255, 255, 255, 0.08);
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }

/* Mobile Menu */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: #0a0e14;
    flex-direction: column;
    padding: 6rem 2rem;
    transition: 0.4s ease;
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .mobile-toggle {
    display: block;
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  h1 { font-size: 3rem; }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}