/* 
  Sacred Noir - Main Stylesheet
  Surface and secret. Both by design.
*/

/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400;1,500&family=Raleway:wght@300;400;500&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --color-void: #0a0a0a;
  --color-shadow: #141414;
  --color-smoke: #1a1a1a;
  --color-ash: #2a2a2a;
  --color-stone: #4a4a4a;
  --color-silver: #8a8a8a;
  --color-bone: #c9c4b8;
  --color-cream: #f5f2eb;
  
  /* Accent - Silver */
  --color-accent: #b8b8b8;
  --color-accent-bright: #d4d4d4;
  --color-accent-dim: #8a8a8a;
  
  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Raleway', 'Helvetica Neue', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  
  /* Transitions */
  --transition-slow: 0.6s ease;
  --transition-medium: 0.3s ease;
  --transition-fast: 0.15s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-bone);
  background-color: var(--color-void);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-void);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-cream);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.01em;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 500;
}

p {
  margin-bottom: 1.5em;
}

p:last-child {
  margin-bottom: 0;
}

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

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

em, i {
  font-family: var(--font-display);
  font-style: italic;
}

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: 900px;
}

.container--wide {
  max-width: 1600px;
}

/* ===== HEADER & NAVIGATION ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: linear-gradient(to bottom, var(--color-void) 0%, transparent 100%);
  transition: background var(--transition-medium);
}

.site-header.scrolled {
  background: var(--color-void);
  border-bottom: 1px solid var(--color-shadow);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-cream);
  transition: color var(--transition-medium);
}

.site-logo:hover {
  color: var(--color-accent);
}

.site-logo span {
  font-weight: 300;
  color: var(--color-stone);
}

/* Main Navigation */
.main-nav {
  display: flex;
  gap: var(--space-md);
}

.main-nav a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-silver);
  position: relative;
  padding: var(--space-xs) 0;
}

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

.main-nav a:hover {
  color: var(--color-cream);
}

.main-nav a:hover::after {
  width: 100%;
}

.main-nav a.active {
  color: var(--color-cream);
}

.main-nav a.active::after {
  width: 100%;
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background-color: var(--color-cream);
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, var(--color-shadow) 0%, var(--color-void) 70%);
  pointer-events: none;
}

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

.hero-title {
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease 0.3s forwards;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-silver);
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease 0.6s forwards;
}

.hero-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-accent), transparent);
  margin: 0 auto var(--space-lg);
  opacity: 0;
  animation: fadeIn 1s ease 0.9s forwards;
}

.hero-cta {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease 1.2s forwards;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 1em 2.5em;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-medium);
}

.btn:hover {
  background-color: var(--color-accent);
  color: var(--color-void);
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-void);
}

.btn--primary:hover {
  background-color: var(--color-cream);
  border-color: var(--color-cream);
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-xl) 0;
}

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

.section-title {
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-silver);
  font-size: 1.1rem;
}

/* ===== IMAGE PLACEHOLDER ===== */
.image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-shadow) 0%, var(--color-smoke) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--color-stone);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.image-placeholder svg {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-sm);
  stroke: var(--color-stone);
}

/* ===== FEATURED PIECE ===== */
.featured-piece {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.featured-piece-image {
  aspect-ratio: 4/3;
  background-color: var(--color-shadow);
  overflow: hidden;
}

.featured-piece-image.landscape {
  aspect-ratio: 4/3;
}

.featured-piece-image.portrait {
  aspect-ratio: 3/4;
}

.featured-piece-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-piece-content {
  padding: var(--space-md);
}

.featured-piece-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.featured-piece-title {
  margin-bottom: var(--space-md);
}

.featured-piece-description {
  margin-bottom: var(--space-md);
  color: var(--color-bone);
}

/* ===== QUOTE / PHILOSOPHY BLOCK ===== */
.philosophy-block {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.philosophy-quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.5;
  color: var(--color-cream);
  margin-bottom: var(--space-md);
}

.philosophy-attribution {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

/* ===== FOOTER ===== */
.site-footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-shadow);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-md);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer-nav a {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-silver);
}

.footer-nav a:hover {
  color: var(--color-cream);
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-stone);
}

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

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .featured-piece {
    grid-template-columns: 1fr;
  }
  
  .featured-piece-image.landscape {
    aspect-ratio: 16/9;
  }
  
  .featured-piece-image.portrait {
    aspect-ratio: 3/4;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 5rem;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-void);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    transition: right var(--transition-medium);
  }
  
  .main-nav.open {
    right: 0;
  }
  
  .main-nav a {
    font-size: 1.2rem;
  }
  
  .nav-toggle {
    display: flex;
    z-index: 1001;
  }
  
  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .footer-nav {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero {
    padding: var(--space-lg) var(--space-sm);
  }
}