/* ==========================================================================
   ZEBSEE LLC - Premium Aesthetic Styling
   ========================================================================== */

/* --- 1. Variables & Base --- */
:root {
  /* Colors */
  --c-bg: #FAF9F6;
  --c-text: #1A1A1A;
  --c-accent: #B8976C;
  --c-accent-hover: #9E7D52;
  --c-secondary: #E8E5DF;
  --c-white: #FFFFFF;
  --c-overlay: rgba(26, 26, 26, 0.4);

  /* Typography */
  --font-heading: 'Didot', 'Bodoni MT', 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Arial', sans-serif;
  
  /* Spacing */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 2rem;
  --sp-lg: 4rem;
  --sp-xl: 8rem;

  /* Transitions */
  --t-duration: 0.6s;
  --t-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --t-duration: 0.01ms;
  }
}

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

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

body {
  font-family: var(--font-body);
  color: var(--c-text);
  background-color: var(--c-bg);
  line-height: 1.6;
  overflow-x: hidden;
  opacity: 0; /* For page transition */
  transition: opacity var(--t-duration) ease-in-out, background-color var(--t-duration) ease;
}

body.loaded {
  opacity: 1;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }

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

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

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

/* --- 2. Layout & Components --- */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--sp-md);
}

.section {
  padding: var(--sp-xl) 0;
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--sp-sm) var(--sp-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: transparent;
  transition: background var(--t-duration) var(--t-ease), padding var(--t-duration) var(--t-ease);
}

.site-header.scrolled {
  background: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--sp-xs) var(--sp-md);
  border-bottom: 1px solid var(--c-secondary);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

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

.nav-links a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: var(--c-text);
  color: var(--c-bg);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  border: 1px solid var(--c-text);
  cursor: pointer;
  transition: all 0.3s var(--t-ease);
}

.btn:hover {
  background-color: transparent;
  color: var(--c-text);
}

/* Responsive Nav */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}
.menu-toggle svg { width: 24px; height: 24px; stroke: var(--c-text); }

@media (max-width: 1024px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--c-bg);
    flex-direction: column;
    padding: var(--sp-md);
    text-align: center;
    border-bottom: 1px solid var(--c-secondary);
  }
  .nav-links.active { display: flex; }
  .menu-toggle { display: block; }
}

/* --- 3. Grid Compositions --- */

/* Strategy 1: Asymmetric Split (Hero / Discover) */
.grid-asymmetric {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--sp-lg);
  align-items: center;
}
.grid-asymmetric.reverse {
  grid-template-columns: 7fr 5fr;
}
@media (max-width: 768px) {
  .grid-asymmetric, .grid-asymmetric.reverse {
    grid-template-columns: 1fr;
  }
}

/* Strategy 2: Masonry-style Layout (Gallery / Cases) */
.grid-masonry {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-md);
  align-items: start;
}
.grid-masonry-item { grid-column: span 4; }
.grid-masonry-item:nth-child(2n) { grid-column: span 8; margin-top: var(--sp-lg); }
.grid-masonry-item:nth-child(3n) { grid-column: span 6; }
.grid-masonry-item:nth-child(4n) { grid-column: span 6; margin-top: -var(--sp-lg); }
@media (max-width: 1024px) {
  .grid-masonry-item, .grid-masonry-item:nth-child(n) { grid-column: span 6; margin-top: 0; }
}
@media (max-width: 768px) {
  .grid-masonry-item, .grid-masonry-item:nth-child(n) { grid-column: span 12; }
}

/* Strategy 3: Offset Cards (Services / Process) */
.grid-offset {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}
.grid-offset > :nth-child(2) { transform: translateY(var(--sp-lg)); }
.grid-offset > :nth-child(3) { transform: translateY(calc(var(--sp-lg) * 2)); }
@media (max-width: 1024px) {
  .grid-offset { grid-template-columns: 1fr 1fr; gap: var(--sp-lg); }
  .grid-offset > :nth-child(n) { transform: none; }
}
@media (max-width: 768px) {
  .grid-offset { grid-template-columns: 1fr; }
}

/* --- 4. Utilities & Specifics --- */
.hero-section {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 120%; /* for parallax */
  object-fit: cover;
  z-index: -1;
}
.hero-content {
  text-align: center;
  color: var(--c-white);
  z-index: 1;
  padding: var(--sp-md);
  background: rgba(0,0,0,0.2); /* readability */
}
.hero-title {
  margin-bottom: var(--sp-sm);
  text-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.bg-dark { background-color: var(--c-text); color: var(--c-bg); }
.bg-dark .btn { background-color: var(--c-bg); color: var(--c-text); border-color: var(--c-bg); }
.bg-dark .btn:hover { background-color: transparent; color: var(--c-bg); }

.text-center { text-align: center; }
.mt-xl { margin-top: var(--sp-xl); }
.mb-lg { margin-bottom: var(--sp-lg); }
.mb-md { margin-bottom: var(--sp-md); }

/* SVG Icon Styling */
.icon {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
}
.icon-lg { width: 48px; height: 48px; }

/* Image Containers */
.img-wrap {
  overflow: hidden;
  position: relative;
}
.img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-duration) var(--t-ease);
}

/* Footer */
.site-footer {
  background: var(--c-text);
  color: var(--c-bg);
  padding: var(--sp-xl) 0 var(--sp-md);
  text-align: center;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--sp-md);
  margin-bottom: var(--sp-md);
  flex-wrap: wrap;
}
.footer-links a { color: var(--c-secondary); font-size: 0.9rem; }
.footer-copy { font-size: 0.8rem; color: #888; }

/* --- 5. Effect Hooks --- */
/* (Effects handled mainly via JS, classes define initial states) */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--t-ease), transform 0.8s var(--t-ease);
}
.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    transform: none;
    transition: opacity 0.4s ease;
  }
}