/* ==========================================================================
   SAMJO LUXE — BASE STYLESHEET & DESIGN SYSTEM
   ========================================================================== */

/* 1. Imports & Typography */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Montserrat:wght@400;500;600;700&display=swap');

:root {
  /* Brand Colors */
  --color-ivory: #F4F0E6;
  --color-obsidian: #0B0B0B;
  --color-charcoal: #2B2B2B;
  --color-gold: #C8A96B;
  --color-taupe: #8A7B6A;
  --color-gold-hover: #e0c283;
  --color-border: rgba(43, 43, 43, 0.1);
  --color-card-bg: rgba(244, 240, 230, 0.3);
  
  /* Fonts */
  --font-heading: 'Cormorant Garamond', serif;
  --font-body: 'Montserrat', sans-serif;
  
  /* Layout & Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease-in-out;
  --container-padding: 1.5rem;
  --header-height: 80px;
}

/* 2. Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-ivory);
  color: var(--color-obsidian);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500; /* SemiBold as per PRD is Montserrat 600 or 500/600, let's use 500 for normal and 600 for navigation/buttons */
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button {
  background: none;
  border: none;
  font-family: inherit;
  cursor: pointer;
}

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

ul {
  list-style: none;
}

/* 3. Utility Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

.section-padding {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}

/* Section Titles */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header .subtitle {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  color: var(--color-taupe);
  font-weight: 600;
  display: block;
  margin-bottom: 0.75rem;
}

.section-header .title {
  font-size: 2.5rem;
  color: var(--color-obsidian);
  position: relative;
  display: inline-block;
  padding-bottom: 0;
}

@media (max-width: 768px) {
  .section-header {
    margin-bottom: 2rem;
  }
  .section-header .title {
    font-size: 2rem;
  }
}

/* 4. Layout: Header & Navigation */

.main-header {
  position: sticky;
  top: 0;
  background-color: rgba(244, 240, 230, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  transition: var(--transition-smooth);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
  padding: 0 var(--container-padding);
}

/* Logo */
.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-obsidian);
}

/* Navigation Links (Desktop) */
.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-gold);
}

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

/* Icons (Search, Bag) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.icon-btn {
  color: var(--color-obsidian);
  position: relative;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.icon-btn:hover {
  color: var(--color-gold);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
}

.bag-badge {
  position: absolute;
  top: -4px;
  right: -6px;
  background-color: var(--color-gold);
  color: var(--color-obsidian);
  font-size: 0.6rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile Toggle Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-obsidian);
  transition: var(--transition-fast);
}

/* 5. Mobile Drawer Navigation */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--color-ivory);
  z-index: 99;
  box-shadow: -5px 0 25px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  padding: 6rem 2rem 2rem 2rem;
  transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-nav-menu {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: auto;
}

.mobile-nav-link {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(43, 43, 43, 0.05);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--color-gold);
}

.mobile-drawer-footer {
  margin-top: auto;
  font-size: 0.75rem;
  color: var(--color-taupe);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Hamburger Transformations when open */
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.backdrop-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.4);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 90;
  transition: var(--transition-smooth);
}

.backdrop-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .logo-link {
    order: 1;
    margin-right: auto;
  }
  
  .hamburger {
    display: flex;
    order: 2;
    margin-right: 1.2rem;
  }
  
  .header-actions {
    order: 3;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
}

/* 6. Layout: Footer */
.main-footer {
  background-color: var(--color-obsidian);
  color: var(--color-ivory);
  padding: 5rem 0 2rem 0;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.6fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col-brand .footer-logo {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--color-ivory);
  margin-bottom: 1.2rem;
  display: block;
}

.footer-logo-img {
  height: 60px;
  width: auto;
  object-fit: contain;
  margin-bottom: 1rem;
}

.footer-col-brand .tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.footer-col-brand .desc {
  font-size: 0.8rem;
  color: var(--color-taupe);
  max-width: 280px;
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-link {
  font-size: 0.8rem;
  color: var(--color-ivory);
  opacity: 0.75;
  transition: var(--transition-fast);
}

.footer-link:hover {
  opacity: 1;
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-ivory);
  opacity: 0.75;
}

.footer-contact-info p {
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

.footer-contact-info strong {
  color: var(--color-gold);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

/* Footer Social Icons */
.footer-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-charcoal);
  color: var(--color-ivory);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.social-icon-btn:hover {
  background-color: var(--color-gold);
  color: var(--color-obsidian);
  transform: translate3d(0, -2px, 0);
}

.social-icon-btn svg {
  width: 14px;
  height: 14px;
  display: block;
  shape-rendering: geometricPrecision;
  transform: translateZ(0);
}

.footer-bottom {
  border-top: 1px solid var(--color-charcoal);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-taupe);
}

.built-by-oma {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.built-by-oma span {
  color: var(--color-gold);
  font-weight: 600;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  
  .footer-col-brand {
    grid-column: span 2;
  }
  
  .footer-grid .footer-col:nth-child(2) {
    grid-column: 1;
  }
  
  .footer-grid .footer-col:nth-child(3) {
    grid-column: 2;
  }
  
  .footer-grid .footer-col:nth-child(4) {
    grid-column: span 2;
    margin-top: 1rem;
  }
}

@media (max-width: 576px) {
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}