/* ============================================
   ARCHITECTURAL VELLUM - FUTURISTIC DESIGN
   ============================================ */

:root {
  /* Color Palette */
  --color-bismuth-white: #F5F5F7;
  --color-ink-shadow: #1A1B26;
  --color-copper-trace: #B87333;
  --color-parchment: rgba(245, 245, 247, 0.85);
  --color-parchment-dark: rgba(26, 27, 38, 0.05);
  
  /* Typography */
  --font-primary: 'Cormorant Garamond', serif;
  --font-secondary: 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 5rem;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --border-thin: 0.5px;
  
  /* Shadows */
  --shadow-soft: 0 2px 8px rgba(26, 27, 38, 0.08);
  --shadow-medium: 0 4px 16px rgba(26, 27, 38, 0.12);
  --shadow-glow: 0 0 20px rgba(184, 115, 51, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Golden Ratio */
  --golden-ratio: 1.618;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
  font-family: var(--font-secondary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink-shadow);
  background-color: var(--color-bismuth-white);
  background-image: 
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      var(--color-parchment-dark) 2px,
      var(--color-parchment-dark) 4px
    );
  background-size: 100% 4px;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Digital Grain Texture */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(184, 115, 51, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(184, 115, 51, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: grain 20s linear infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -10%); }
  20% { transform: translate(-15%, 5%); }
  30% { transform: translate(7%, -25%); }
  40% { transform: translate(-5%, 25%); }
  50% { transform: translate(-15%, 10%); }
  60% { transform: translate(15%, 0%); }
  70% { transform: translate(0%, 15%); }
  80% { transform: translate(3%, 35%); }
  90% { transform: translate(-10%, 10%); }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-ink-shadow);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--space-md);
  max-width: 65ch;
}

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

a:hover {
  color: var(--color-ink-shadow);
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-parchment);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--border-thin) solid rgba(184, 115, 51, 0.2);
  z-index: 10000;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  position: relative;
}

.brand-name {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 400;
  color: var(--color-ink-shadow);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-ink-shadow);
  padding: var(--space-sm) var(--space-md);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: var(--border-thin);
  background: var(--color-copper-trace);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 80%;
}

/* Burger Menu Button */
.burger-toggle {
  display: none;
  background: none;
  border: none;
  z-index: 10001;
  cursor: pointer;
  padding: var(--space-sm);
  width: 32px;
  height: 32px;
  position: relative;
  flex-shrink: 0;
}

.burger-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-ink-shadow);
  position: relative;
  transition: background var(--transition-fast);
}

.burger-icon::before,
.burger-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-ink-shadow);
  transition: transform var(--transition-base), top var(--transition-base);
}

.burger-icon::before {
  top: -8px;
}

.burger-icon::after {
  top: 8px;
}

.burger-toggle.active .burger-icon {
  background: transparent;
}

.burger-toggle.active .burger-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.burger-toggle.active .burger-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile Navigation Menu Overlay */
.mobile-nav-overlay {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(26, 27, 38, 0.5);
  z-index: 9998;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.mobile-nav-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Mobile Navigation Menu */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-parchment);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: var(--border-thin) solid rgba(184, 115, 51, 0.2);
  padding: var(--space-xxl) var(--space-lg);
  padding-top: calc(var(--space-lg) * 2 + 2rem + var(--space-xxl));
  z-index: 9999;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.mobile-nav.active {
  transform: translateX(0);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xxl);
}

.mobile-nav-link {
  font-size: 1.1rem;
  color: var(--color-ink-shadow);
  padding: var(--space-md) 0;
  border-bottom: var(--border-thin) solid rgba(184, 115, 51, 0.1);
  display: block;
  transition: padding-left var(--transition-fast);
}

.mobile-nav-link:hover {
  padding-left: var(--space-md);
  color: var(--color-copper-trace);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

main {
  position: relative;
  z-index: 1;
}

/* ============================================
   FULL-WIDTH BANNERS
   ============================================ */

.hero-banner {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(26, 27, 38, 0.7) 0%,
    rgba(26, 27, 38, 0.5) 50%,
    rgba(26, 27, 38, 0.6) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-bismuth-white);
  padding: var(--space-xl) var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  line-height: 1.6;
  opacity: 0.95;
}

/* ============================================
   SECTIONS
   ============================================ */

.content-section {
  padding: var(--space-xxl) var(--space-md);
  max-width: 1400px;
  margin: 0 auto;
}

.content-section .section-title,
.content-section > h1,
.content-section > h2:first-child {
  text-align: center;
}

.content-section p,
.content-section .two-column-content,
.content-section .grid-item-text {
  text-align: left;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: var(--border-thin);
  background: var(--color-copper-trace);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xl) auto 0;
  max-width: 1200px;
  justify-items: center;
}

.grid-item {
  background: var(--color-parchment);
  padding: var(--space-lg);
  border: var(--border-thin) solid rgba(184, 115, 51, 0.2);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  max-width: 100%;
  width: 100%;
  text-align: center;
}

.grid-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.grid-item-image {
  width: 100%;
  max-width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  display: block;
}

.grid-item-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-ink-shadow);
}

.grid-item-text {
  font-size: 0.95rem;
  color: var(--color-ink-shadow);
  opacity: 0.8;
  line-height: 1.6;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin: var(--space-xl) auto 0;
  max-width: 1200px;
}

.two-column-image {
  width: 100%;
  max-width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: var(--border-thin) solid rgba(184, 115, 51, 0.2);
  display: block;
}

.two-column-content {
  padding: var(--space-lg);
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-form {
  max-width: 600px;
  margin: var(--space-xl) auto;
  background: var(--color-parchment);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid rgba(184, 115, 51, 0.2);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-ink-shadow);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: var(--border-thin) solid rgba(184, 115, 51, 0.3);
  border-radius: var(--radius-sm);
  background: var(--color-bismuth-white);
  font-family: var(--font-secondary);
  font-size: 1rem;
  color: var(--color-ink-shadow);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-copper-trace);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.checkbox-input {
  margin-top: 4px;
  flex-shrink: 0;
}

.checkbox-label {
  font-size: 0.9rem;
  line-height: 1.5;
}

.submit-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-copper-trace);
  color: var(--color-bismuth-white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  margin-top: var(--space-lg);
}

.submit-button:hover {
  background: var(--color-ink-shadow);
  color: whitesmoke;
  transform: translateY(-2px);
}

.submit-button:active {
  transform: translateY(0);
}

/* ============================================
   GOOGLE MAPS
   ============================================ */

.map-container {
  width: 100%;
  height: 400px;
  margin: var(--space-xl) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin) solid rgba(184, 115, 51, 0.2);
}

.map-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================
   PRODUCTS
   ============================================ */

.product-card {
  background: var(--color-parchment);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid rgba(184, 115, 51, 0.2);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-ink-shadow);
}

.product-description {
  font-size: 0.95rem;
  color: var(--color-ink-shadow);
  opacity: 0.8;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.product-price {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-copper-trace);
  margin-top: var(--space-md);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: var(--color-ink-shadow);
  color: var(--color-bismuth-white);
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.footer-section-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  color: var(--color-copper-trace);
}

.footer-nav {
  list-style: none;
}

.footer-nav-item {
  margin-bottom: var(--space-sm);
}

.footer-link {
  color: var(--color-bismuth-white);
  opacity: 0.8;
  font-size: 0.9rem;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.footer-link:hover {
  opacity: 1;
  color: var(--color-copper-trace);
}

.footer-contact {
  font-size: 0.9rem;
  opacity: 0.8;
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  display: flex;
  justify-content: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: var(--border-thin) solid rgba(245, 245, 247, 0.2);
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
  text-align: center;
}

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

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

.date {
  font-size: 0.9rem;
  opacity: 0.7;
  font-style: italic;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  
  .burger-toggle {
    display: block;
    position: relative;
    z-index: 10001;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .mobile-nav-overlay {
    display: block;
  }
  
  .two-column {
    grid-template-columns: 1fr;
  }
  
  .two-column-image {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 0 var(--space-sm);
  }
  
  .content-section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .grid-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .content-section {
    padding: var(--space-lg) var(--space-sm);
  }
  
  .hero-banner {
    min-height: 40vh;
  }
  
  .contact-form {
    padding: var(--space-md);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .content-section {
    padding: var(--space-md) var(--space-sm);
  }
}