/* ========================================
   锦艺坊 JINNY CRAFTS - Liquid Glass Design System
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant:wght@400;500;600;700&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* ── Design Tokens ── */
:root {
  --color-primary: #1C1917;
  --color-secondary: #44403C;
  --color-accent: #CA8A04;
  --color-accent-light: #EAB308;
  --color-accent-dark: #A16207;
  --color-bg: #FAFAF9;
  --color-text: #0C0A09;
  --color-text-light: #78716C;
  --color-white: #FFFFFF;

  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-bg-strong: rgba(255, 255, 255, 0.25);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --glass-blur: 20px;

  --font-heading: 'Cormorant', 'Noto Serif SC', serif;
  --font-body: 'Montserrat', 'Noto Sans SC', sans-serif;

  --transition-fluid: 500ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5em;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--color-text-light);
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Liquid Glass Effects ── */
.glass {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-dark {
  background: rgba(28, 25, 23, 0.65);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-fluid), box-shadow var(--transition-fluid);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 1000;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fluid);
  background: transparent;
  border: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

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

.navbar.scrolled .brand-text {
  color: var(--color-primary);
}

.nav-link {
  color: var(--color-white);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-smooth);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--color-accent);
  transition: transform var(--transition-smooth);
  border-radius: 1px;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

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

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color var(--transition-smooth);
}

.brand-sub {
  font-family: var(--font-body);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.7;
  display: block;
  margin-top: -2px;
}

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: inherit;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(28, 25, 23, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  transition: opacity var(--transition-fluid);
}

.mobile-menu.active {
  display: flex;
  opacity: 1;
}

.mobile-menu .nav-link {
  font-size: 1.2rem;
  color: var(--color-white);
}

.mobile-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
}

@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
  .desktop-nav { display: none !important; }
}

/* ── Hero Section ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(28, 25, 23, 0.4) 0%,
    rgba(28, 25, 23, 0.6) 50%,
    rgba(28, 25, 23, 0.85) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
  max-width: 900px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.75);
  font-weight: 300;
  margin-bottom: 3rem;
  letter-spacing: 0.04em;
}

.hero-cta-group {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-fluid);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(202, 138, 4, 0.35);
}

.btn-accent:hover {
  background: var(--color-accent-light);
  box-shadow: 0 6px 28px rgba(202, 138, 4, 0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-secondary);
}

.btn-outline-dark:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ── Scroll indicator ── */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.scroll-arrow {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  position: relative;
}

.scroll-arrow::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 2px;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { top: 6px; opacity: 1; }
  50% { top: 18px; opacity: 0.3; }
}

/* ── Stats Section ── */
.stats-section {
  position: relative;
  margin-top: -5rem;
  z-index: 10;
}

.stat-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ── Product Cards ── */
.product-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  transition: all var(--transition-fluid);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.product-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fluid);
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.08);
}

.product-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28, 25, 23, 0.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fluid);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.product-card:hover .product-overlay {
  opacity: 1;
}

.product-info {
  padding: 1.5rem;
}

.product-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.product-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ── Process / Timeline ── */
.process-step {
  text-align: center;
  position: relative;
}

.step-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  box-shadow: 0 4px 20px rgba(202, 138, 4, 0.3);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
}

/* Timeline connector */
.process-connector {
  display: none;
}

@media (min-width: 768px) {
  .process-connector {
    display: block;
    position: absolute;
    top: 36px;
    left: calc(50% + 48px);
    width: calc(100% - 96px);
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), rgba(202, 138, 4, 0.2));
  }
}

/* ── Story Section ── */
.story-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fluid);
}

.story-image:hover img {
  transform: scale(1.03);
}

/* ── Testimonials ── */
.testimonial-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 0.5rem;
  left: 1.5rem;
  font-family: var(--font-heading);
  font-size: 5rem;
  color: var(--color-accent);
  opacity: 0.15;
  line-height: 1;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--color-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent);
}

.testimonial-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-primary);
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.stars {
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: flex;
  gap: 2px;
}

/* ── Footer ── */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-smooth);
}

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

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 1.25rem;
  letter-spacing: 0.03em;
}

.footer-divider {
  border-color: rgba(255, 255, 255, 0.1);
}

/* ── Product Filter (products.html) ── */
.filter-btn {
  padding: 0.6rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-secondary);
  background: transparent;
  border: 1.5px solid rgba(68, 64, 60, 0.2);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-smooth);
  white-space: nowrap;
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 25, 23, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fluid);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-fluid);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

/* ── Contact Form ── */
.form-input {
  width: 100%;
  padding: 0.9rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  border: 1.5px solid rgba(68, 64, 60, 0.15);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text);
  transition: all var(--transition-smooth);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(202, 138, 4, 0.15);
}

.form-input::placeholder {
  color: var(--color-text-light);
  font-weight: 300;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.03em;
}

/* ── Timeline (about page) ── */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), rgba(202, 138, 4, 0.1));
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
  padding-left: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.35rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
  transform: translateX(-50%);
  left: -5px;
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.timeline-text {
  font-size: 0.9rem;
  color: var(--color-secondary);
  line-height: 1.6;
}

/* ── Page Header Banner ── */
.page-header {
  position: relative;
  padding-top: 8rem;
  padding-bottom: 4rem;
  background: var(--color-primary);
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(202, 138, 4, 0.08) 0%, transparent 70%);
}

.page-header-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.page-header-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 300;
}

/* ── Focus States ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Utility ── */
.accent-line {
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.img-lazy {
  opacity: 0;
  transition: opacity var(--transition-fluid);
}

.img-lazy.loaded {
  opacity: 1;
}

/* Ambient glow decoration */
.ambient-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(202, 138, 4, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Smooth section spacing ── */
.section-spacing {
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

/* Map placeholder */
.map-placeholder {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #e8e6e3 0%, #d6d3d1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* Value card */
.value-card {
  padding: 2.5rem 2rem;
  text-align: center;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.05);
  transition: all var(--transition-fluid);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.value-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(202,138,4,0.1), rgba(202,138,4,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--color-accent);
}