/* ============================================
   관광상품제작소 - Main Stylesheet
   Museum Shop Inspired Design System
   ============================================ */

/* ---- CSS Custom Properties ---- */
:root {
  --color-bg: #F5F1E8;
  --color-bg-alt: #EDE8DC;
  --color-bg-dark: #1F1F1B;
  --color-text: #1F1F1B;
  --color-text-muted: #6B6660;
  --color-primary: #274038;
  --color-secondary: #7A4E3A;
  --color-accent: #C4A882;
  --color-line: #CFC6B8;
  --color-white: #FFFFFF;
  --color-off-white: #FAF8F4;

  --font-serif: 'Playfair Display', 'Noto Serif KR', Georgia, serif;
  --font-sans: 'Inter', 'Noto Sans KR', -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  --max-width: 1280px;
  --nav-height: 80px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.4s ease;
  --transition-slow: 0.7s ease;

  --shadow-sm: 0 2px 8px rgba(31,31,27,0.06);
  --shadow-md: 0 8px 30px rgba(31,31,27,0.10);
  --shadow-lg: 0 20px 60px rgba(31,31,27,0.15);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-sans);
}

/* ---- Typography ---- */
.font-serif { font-family: var(--font-serif); }
.font-sans  { font-family: var(--font-sans); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 3.5vw, 3rem);   font-weight: 600; }
h3 { font-size: clamp(1.3rem, 2vw, 1.75rem); font-weight: 600; }
h4 { font-size: 1.2rem; font-weight: 500; }

p {
  line-height: 1.8;
  color: var(--color-text-muted);
}

.text-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-text-muted);
}

.text-caption {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

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

.section-sm {
  padding: var(--space-lg) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

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

/* ---- Divider ---- */
.divider {
  width: 40px;
  height: 1px;
  background: var(--color-primary);
  margin: var(--space-sm) 0;
}

.divider-full {
  width: 100%;
  height: 1px;
  background: var(--color-line);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
  background: rgba(245, 241, 232, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-logo-kr {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.01em;
  transition: color var(--transition-base);
}

.nav-logo-en {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-base);
}

.nav.scrolled .nav-logo-kr {
  color: var(--color-primary);
}

.nav.scrolled .nav-logo-en {
  color: var(--color-text-muted);
}

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

.nav-link {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
  position: relative;
}

.nav.scrolled .nav-link {
  color: var(--color-text);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
}

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

.nav-link:hover {
  color: var(--color-primary);
}

.nav-cta {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--transition-fast);
}

/* Mobile Nav Overlay */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-dark);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

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

.nav-overlay-inner {
  text-align: center;
}

.nav-overlay-link {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3.5rem);
  color: var(--color-white);
  padding: var(--space-sm) 0;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-overlay-link:hover {
  opacity: 1;
}

.nav-overlay-close {
  position: absolute;
  top: 30px;
  right: 30px;
  font-size: 2rem;
  color: var(--color-white);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 42%;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--color-bg-dark);
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1A2E26 0%, #2D1F1A 50%, #1F1F1B 100%);
}

/* When hero-bg has background-image (photo mode) */
.hero-bg[style*="background-image"] {
  background: none !important;
}

/* Decorative geometric elements */
.hero-deco {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-deco-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(196, 168, 130, 0.15);
}

.hero-deco-circle:nth-child(1) {
  width: 500px; height: 500px;
  top: -100px; right: -100px;
}

.hero-deco-circle:nth-child(2) {
  width: 300px; height: 300px;
  top: 50px; right: 50px;
  border-color: rgba(196, 168, 130, 0.08);
}

.hero-deco-circle:nth-child(3) {
  width: 700px; height: 700px;
  bottom: -200px; left: -200px;
  border-color: rgba(39, 64, 56, 0.3);
}

.hero-deco-line {
  position: absolute;
  background: rgba(196, 168, 130, 0.12);
}

.hero-deco-line:nth-child(4) {
  width: 1px; height: 200px;
  top: 120px; right: 25%;
}

.hero-deco-line:nth-child(5) {
  width: 120px; height: 1px;
  top: 200px; right: calc(25% - 60px);
}

/* SVG pattern */
.hero-deco-grid {
  position: absolute;
  top: 0; right: 0;
  width: 50%; height: 100%;
  background-image: 
    linear-gradient(rgba(196,168,130,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,168,130,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Right panel - visual */
.hero-visual {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-xl) var(--space-lg);
  background: rgba(0,0,0,0.18);
  border-left: 1px solid rgba(196,168,130,0.12);
}

.hero-visual-block {
  width: 100%;
  max-width: 340px;
}

.hero-product-mockup {
  background: var(--color-off-white);
  padding: var(--space-lg) var(--space-md);
  position: relative;
}

.hero-product-label {
  position: absolute;
  top: -12px;
  left: var(--space-md);
  background: var(--color-secondary);
  color: var(--color-white);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 12px;
}

.hero-product-art {
  width: 100%;
  aspect-ratio: 3/4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #274038, #3A5C4F);
  position: relative;
  overflow: hidden;
}

/* SVG Art Illustration */
.hero-art-svg {
  width: 60%;
  height: 60%;
}

.hero-product-info {
  margin-top: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.hero-product-info-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text);
}

.hero-product-info-tag {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero-stats {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

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

.hero-stat-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-white);
  display: block;
}

.hero-stat-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* Left content */
.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-xl) var(--space-lg);
  padding-left: max(var(--space-lg), calc((100vw - var(--max-width)) / 2 + var(--space-lg)));
  max-width: 100%;
  align-self: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero-eyebrow-line {
  width: 40px;
  height: 1px;
  background: var(--color-accent);
}

.hero-eyebrow-text {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.hero-title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: var(--space-lg);
}

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

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: calc(29%);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  z-index: 4;
}

.hero-scroll-text {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

.hero-scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2.2rem;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  background: #1E3329;
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.4);
}

.btn-secondary:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.btn-dark:hover {
  background: #2D2D28;
}

.btn-arrow {
  font-size: 0.75rem;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: gap var(--transition-fast);
}

.btn-arrow:hover {
  gap: 0.9rem;
}

.btn-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.btn-arrow:hover svg {
  transform: translateX(4px);
}

/* ============================================
   TICKER STRIP
   ============================================ */
.ticker-strip {
  background: var(--color-primary);
  padding: 12px 0;
  overflow: hidden;
}

.ticker-inner {
  display: flex;
  gap: 0;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0 var(--space-md);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  flex-shrink: 0;
}

.ticker-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header {
  margin-bottom: var(--space-lg);
}

.section-header-centered {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-lg);
}

.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.section-label-centered {
  justify-content: center;
}

.section-label-line {
  width: 30px;
  height: 1px;
  background: var(--color-primary);
}

.section-label-text {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 500;
}

.section-title {
  color: var(--color-text);
}

.section-desc {
  margin-top: var(--space-sm);
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ============================================
   INTRO SECTION
   ============================================ */
.intro-section {
  padding: var(--space-xl) 0;
  background: var(--color-off-white);
}

.intro-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.intro-text h2 {
  margin-bottom: var(--space-md);
}

.intro-text p {
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
}

.intro-quote {
  margin-top: var(--space-md);
  padding-left: var(--space-md);
  border-left: 2px solid var(--color-accent);
}

.intro-quote p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-text);
}

.intro-visual {
  position: relative;
}

.intro-visual-main {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(145deg, #274038, #1F2E28);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.intro-visual-accent {
  position: absolute;
  bottom: -var(--space-md);
  right: -var(--space-md);
  width: 60%;
  aspect-ratio: 1;
  background: var(--color-bg-alt);
  z-index: -1;
  bottom: -20px;
  right: -20px;
}

/* ============================================
   WHAT WE MAKE
   ============================================ */
.what-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg);
}

.what-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  margin-top: var(--space-lg);
}

.what-card {
  background: var(--color-bg);
  padding: var(--space-lg) var(--space-md);
  transition: background var(--transition-base);
  position: relative;
  overflow: hidden;
}

.what-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.what-card:hover {
  background: var(--color-off-white);
}

.what-card:hover::before {
  transform: scaleX(1);
}

.what-card-num {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  display: block;
}

.what-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.what-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-xs);
}

.what-card p {
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ============================================
   COLLECTION SECTION
   ============================================ */
.collection-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg-dark);
}

.collection-section .section-label-text {
  color: var(--color-accent);
}

.collection-section .section-label-line {
  background: var(--color-accent);
}

.collection-section .section-title {
  color: var(--color-white);
}

.collection-section .section-desc {
  color: rgba(255,255,255,0.5);
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.05);
  margin-top: var(--space-lg);
}

.collection-card {
  background: var(--color-bg-dark);
  padding: var(--space-lg) var(--space-md);
  transition: background var(--transition-base);
  cursor: pointer;
  position: relative;
}

.collection-card:hover {
  background: rgba(39,64,56,0.5);
}

.collection-card-badge {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid rgba(196,168,130,0.3);
  padding: 3px 10px;
  margin-bottom: var(--space-md);
}

.collection-card-visual {
  width: 100%;
  aspect-ratio: 1;
  margin-bottom: var(--space-md);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.collection-card h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.collection-card p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

/* ============================================
   ITEMS / PRODUCTS
   ============================================ */
.items-section {
  padding: var(--space-xl) 0;
  background: var(--color-off-white);
}

.items-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.item-tag {
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--color-line);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}

.item-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-white);
}

/* ============================================
   WHY US
   ============================================ */
.why-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg);
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-xl);
  align-items: start;
}

.why-left {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-md));
}

.why-left h2 {
  margin-bottom: var(--space-md);
}

.why-left p {
  font-size: 1rem;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.why-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-line);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: var(--space-md);
  align-items: start;
  transition: padding var(--transition-fast);
}

.why-item:first-child {
  border-top: 1px solid var(--color-line);
}

.why-item-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-line);
  font-weight: 700;
  line-height: 1;
  padding-top: 4px;
}

.why-item h4 {
  font-size: 1.05rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.why-item p {
  font-size: 0.9rem;
}

/* ============================================
   PROCESS
   ============================================ */
.process-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  margin-top: var(--space-lg);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: var(--color-line);
  z-index: 0;
}

.process-step {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  position: relative;
  z-index: 1;
}

.process-step-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 600;
  transition: all var(--transition-base);
}

.process-step:hover .process-step-circle {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.process-step h4 {
  font-size: 0.85rem;
  margin-bottom: 4px;
  color: var(--color-text);
}

.process-step p {
  font-size: 0.78rem;
  line-height: 1.5;
}

/* ============================================
   CLIENT / WHO WE WORK WITH
   ============================================ */
.client-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg);
}

.client-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-xl);
  align-items: center;
}

.client-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.client-tag {
  padding: 0.6rem 1.4rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  font-size: 0.85rem;
  color: var(--color-text);
  letter-spacing: 0.03em;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  padding: var(--space-xl) 0;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.cta-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-inner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-inner p {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  margin-bottom: var(--space-lg);
}

.cta-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

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

.btn-white:hover {
  background: var(--color-bg);
}

.btn-ghost {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.4);
}

.btn-ghost:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.1);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.footer-brand-en {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: var(--space-md);
}

.footer-brand-desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
}

.footer-col h5 {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-link {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-contact-item {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-xs);
}

.footer-contact-item strong {
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}

.footer-biz-info {
  padding: var(--space-md) 0 var(--space-sm);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.6rem;
}

.footer-biz-info span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.28);
  line-height: 1.6;
}

.footer-biz-info span strong {
  color: rgba(255,255,255,0.42);
  font-weight: 500;
}

.footer-bottom {
  padding-top: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copyright {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: rgba(255,255,255,0.6);
}

/* ============================================
   PAGE HERO (sub-pages)
   ============================================ */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-xl);
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1A2E26 0%, #1F1F1B 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.page-hero-eyebrow-line {
  width: 30px;
  height: 1px;
  background: var(--color-accent);
}

.page-hero-eyebrow-text {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-hero h1 {
  color: var(--color-white);
  max-width: 700px;
  margin-bottom: var(--space-md);
}

.page-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.55);
  max-width: 540px;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-story {
  padding: var(--space-xl) 0;
  background: var(--color-off-white);
}

.about-story-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-philosophy {
  padding: var(--space-xl) 0;
  background: var(--color-bg);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.philosophy-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-line);
  background: var(--color-off-white);
  transition: all var(--transition-base);
}

.philosophy-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.philosophy-card-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-line);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.philosophy-card h4 {
  margin-bottom: var(--space-xs);
}

.about-keywords {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
}

.keywords-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.keyword-item {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: var(--color-text-muted);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-line);
  cursor: default;
  transition: color var(--transition-fast);
  flex: 0 0 auto;
}

.keyword-item:hover {
  color: var(--color-primary);
}

/* ============================================
   SOLUTIONS PAGE
   ============================================ */
.solutions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.solution-card {
  padding: var(--space-lg);
  background: var(--color-off-white);
  border: 1px solid var(--color-line);
  transition: all var(--transition-base);
  position: relative;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--color-primary);
  transition: height var(--transition-base);
}

.solution-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.solution-card:hover::before {
  height: 100%;
}

.solution-card-num {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: block;
}

.solution-card h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
}

.solution-card p {
  font-size: 0.92rem;
  margin-bottom: var(--space-md);
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.solution-tag {
  font-size: 0.72rem;
  padding: 4px 10px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ============================================
   PROJECTS PAGE
   ============================================ */
.projects-filter {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.filter-btn {
  padding: 0.5rem 1.2rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

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

.project-card {
  position: relative;
  overflow: hidden;
  background: var(--color-off-white);
  border: 1px solid var(--color-line);
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.project-card-visual {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}

.project-card-info {
  padding: var(--space-md);
}

.project-card-meta {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.project-card-type {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  padding: 3px 8px;
  border: 1px solid rgba(122,78,58,0.3);
}

.project-card h4 {
  font-size: 1.05rem;
  margin-bottom: var(--space-xs);
}

.project-card p {
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-xl);
}

.contact-info h3 {
  margin-bottom: var(--space-md);
}

.contact-info p {
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}

.contact-types {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.contact-type {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-line);
}

.contact-type-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-type p {
  font-size: 0.88rem;
  margin: 0;
}

.contact-direct {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.contact-direct-item {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.contact-direct-item strong {
  color: var(--color-text);
  font-weight: 500;
}

/* Form */
.contact-form {
  background: var(--color-off-white);
  padding: var(--space-lg);
  border: 1px solid var(--color-line);
}

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

.form-header h3 {
  margin-bottom: var(--space-xs);
}

.form-header p {
  font-size: 0.9rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

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

.form-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border var(--transition-fast);
  outline: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236B6660'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  cursor: pointer;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.form-checkbox input {
  margin-top: 3px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.form-checkbox span {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.form-submit {
  margin-top: var(--space-md);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-lg);
}

.form-success.show {
  display: block;
}

.form-success-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(39,64,56,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  color: var(--color-primary);
}

/* Process vertical */
.contact-process {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
}

.contact-process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.contact-process-step {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
}

.contact-process-step-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-line);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.contact-process-step h4 {
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
}

.contact-process-step p {
  font-size: 0.82rem;
}

/* ============================================
   VISUAL ELEMENTS (SVG-based illustrations)
   ============================================ */

/* Abstract art shapes */
.art-shape {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

/* Collection visual icons */
.collection-icon {
  width: 48px;
  height: 48px;
  fill: none;
  stroke: currentColor;
}

/* ============================================
   IMAGE ENHANCEMENTS
   ============================================ */

/* Project card image zoom on hover */
.project-card:hover .project-card-visual img {
  transform: scale(1.06);
}

/* Hero image overlay structure */
.hero {
  position: relative;
}

.hero > .hero-bg:first-child {
  z-index: 0;
}

.hero > .hero-bg:nth-child(2) {
  z-index: 1;
}

.hero-deco {
  z-index: 2;
}

.hero-visual {
  z-index: 3;
  grid-column: 2;
  grid-row: 1;
}

.hero-content {
  z-index: 3;
  grid-column: 1;
  grid-row: 1;
}

.hero-scroll {
  z-index: 3;
}

/* Intro visual photo */
.intro-visual-main img {
  transition: transform 0.6s ease;
}

.intro-visual:hover .intro-visual-main img {
  transform: scale(1.03);
}

/* About page photo */
.about-story-inner img {
  transition: transform 0.6s ease;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in {
  opacity: 0;
  transition: opacity 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ============================================
   PAGE TRANSITION
   ============================================ */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.page-loader-text {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
  .collection-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
}

@media (max-width: 900px) {
  h1 { font-size: 2.8rem; }
  h2 { font-size: 2rem; }

  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .hero-visual {
    display: none;
  }

  .hero-content {
    grid-column: 1;
    grid-row: 1;
    max-width: 100%;
    padding: var(--space-xl) var(--space-md);
    padding-top: calc(var(--nav-height) + var(--space-xl));
  }

  .intro-inner,
  .why-inner,
  .client-inner,
  .about-story-inner,
  .contact-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .why-left {
    position: static;
  }

  .what-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .collection-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }

  .process-steps::before {
    display: none;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .nav-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 600px) {
  :root {
    --space-xl: 4rem;
    --space-lg: 2.5rem;
  }

  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .what-grid {
    grid-template-columns: 1fr;
  }

  .collection-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-process-steps {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}