@import url('./variables.css');

/* ==========================================
   1. Base & Reset
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--text-primary);
  font-weight: 800;
  line-height: 1.25;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius-md);
}

/* ==========================================
   2. Layout & Containers
   ========================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

section {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

/* Grid helper */
.grid {
  display: grid;
  gap: 32px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  section { padding: 80px 0; }
}

@media (max-width: 576px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ==========================================
   3. Custom Components
   ========================================== */

/* Glassmorphism Card (Warm Gold & Stone Theme) */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 40px;
  box-shadow: var(--shadow-glass);
  transition: transform var(--transition-normal), 
              border-color var(--transition-normal), 
              box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 100%);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-8px);
  border: var(--border-glass-glow);
  box-shadow: var(--shadow-glass), var(--shadow-neon-strong);
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 32px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 0; /* Bold square layout for editorial feeling */
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(180, 83, 9, 0.15);
  position: relative;
  z-index: 1;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #78350f 0%, #b45309 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

.btn-primary:hover {
  box-shadow: 0 10px 30px rgba(180, 83, 9, 0.25), var(--shadow-neon-strong);
  transform: translateY(-3px);
}

.btn-primary:hover::before {
  opacity: 1;
}

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

.btn-secondary:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  transform: translateY(-3px);
}

/* Subtle Warm Gold ambient background blobs */
.glow-blob {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(180, 83, 9, 0.04) 0%, rgba(120, 53, 15, 0.005) 60%, rgba(0,0,0,0) 80%);
  filter: blur(160px);
  z-index: 0;
  pointer-events: none;
}

/* ==========================================
   4. Header & Navigation (Dynamic nav)
   ========================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background var(--transition-normal), 
              backdrop-filter var(--transition-normal), 
              border-color var(--transition-normal), 
              height var(--transition-normal);
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: var(--border-glass);
  height: 70px;
  box-shadow: 0 10px 30px rgba(120, 53, 15, 0.02);
}

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

.logo {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.15rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width var(--transition-fast);
}

.nav-links a:hover, 
.nav-links a.active {
  color: var(--text-primary);
}

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

/* Hamburger mobile menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: var(--border-glass);
    flex-direction: column;
    padding: 120px 40px;
    gap: 28px;
    transition: right var(--transition-normal);
    z-index: 1050;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* ==========================================
   5. Hero Section (Fullscreen Editorial Style)
   ========================================== */
.hero-sec {
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 140px;
  min-height: 95vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.82) 0%, rgba(250, 250, 249, 0.88) 100%),
              url('../images/Banner.png') center/cover no-repeat;
}

.hero-editorial-layout {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
}

.hero-title-large {
  font-size: 5rem;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 30px;
  max-width: 90%;
}

.hero-meta-block {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-top: 50px;
  gap: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
}

.hero-desc-large {
  font-size: 1.35rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 500px;
}

/* Panoramic horizontal bar */
.panoramic-dashboard-bar {
  display: flex;
  width: 100%;
  background: var(--bg-secondary);
  border: var(--border-glass);
  padding: 30px 40px;
  justify-content: space-between;
  align-items: center;
  margin-top: 60px;
  box-shadow: var(--shadow-md);
}

.panoramic-dashboard-bar .dashboard-item {
  display: flex;
  flex-direction: column;
}

.panoramic-dashboard-bar .dashboard-item span:first-child {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.panoramic-dashboard-bar .dashboard-item span:last-child {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

@media (max-width: 992px) {
  .hero-title-large {
    font-size: 3.8rem;
    max-width: 100%;
  }
  .hero-meta-block {
    flex-direction: column;
    gap: 30px;
  }
  .panoramic-dashboard-bar {
    flex-direction: column;
    gap: 30px;
    align-items: flex-start;
    padding: 30px;
  }
}

/* ==========================================
   6. Sections General Style
   ========================================== */
.section-header {
  text-align: left;
  margin-bottom: 80px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 40px;
}

.section-subtitle {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 3px;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 15px;
  display: block;
}

.section-title {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -1px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-top: 15px;
  max-width: 700px;
}

/* Asymmetric Mosaic Layout */
.mosaic-gallery {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: stretch;
}

.mosaic-left-editorial {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mosaic-left-editorial h2 {
  font-size: 2.6rem;
  line-height: 1.2;
  margin-bottom: 30px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mosaic-left-editorial p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.mosaic-right-stack {
  display: flex;
  flex-direction: column;
  gap: 30px;
  justify-content: center;
}

.stack-strip-card {
  background: var(--bg-glass);
  border: var(--border-glass);
  padding: 30px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-normal);
}

.stack-strip-card:hover {
  transform: translateX(10px);
  border-color: var(--border-color-glow);
  box-shadow: var(--shadow-md);
}

@media (max-width: 992px) {
  .mosaic-gallery {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ==========================================
   7. Core Values (Cascading Staircase Layout)
   ========================================== */
.cascading-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding-top: 40px;
  padding-bottom: 80px;
}

.cascading-card {
  background: var(--bg-glass);
  border: var(--border-glass);
  padding: 50px 40px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.cascading-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.cascading-card:hover {
  border-color: var(--border-color-glow);
  box-shadow: var(--shadow-neon-strong);
  transform: translateY(-10px) scale(1.02);
}

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

/* Staircase offsets */
.cascading-card-1 {
  transform: translateY(0px);
}

.cascading-card-2 {
  transform: translateY(40px);
}

.cascading-card-3 {
  transform: translateY(80px);
}

.cascading-card h3 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.cascading-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

@media (max-width: 992px) {
  .cascading-values {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 20px;
  }
  .cascading-card-1, .cascading-card-2, .cascading-card-3 {
    transform: translateY(0);
  }
}

/* ==========================================
   8. Banner component for inner pages
   ========================================== */
.page-banner {
  padding: 160px 0 100px 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.88) 0%, rgba(250, 250, 249, 0.92) 100%),
              url('../images/Banner.png') center/cover no-repeat;
  border-bottom: var(--border-glass);
}

.banner-title {
  font-size: 3.5rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
}

/* ==========================================
   9. About Us Page (沉浸大图 + 双栏对撞分屏)
   ========================================== */
.about-hero-overlay {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 80px;
  padding:20px;
  background: url('../../static/images/1.png') no-repeat;
  background-size: 100% 100%;
}


.about-hero-text-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(120, 53, 15, 0.15);
  padding: 40px 50px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-glass);
}

.about-hero-text-card h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-hero-text-card p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 14px;
}

@media (max-width: 768px) {
  .about-hero-overlay img {
    height: 400px;
  }
  .about-hero-text-card {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    padding: 30px 20px;
    margin-top: -30px;
  }
}

/* Split-screen Collision Layout */
.split-screen-container {
  display: flex;
  border: var(--border-glass);
  margin-top: 80px;
  box-shadow: var(--shadow-md);
}

.split-left {
  flex: 1;
  background: linear-gradient(135deg, #78350f 0%, #b45309 100%);
  color: #ffffff;
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.split-left .section-subtitle {
  color: rgba(255,255,255,0.7);
}

.split-left h2 {
  font-size: 2.8rem;
  color: #ffffff;
  margin-bottom: 24px;
}

.split-left p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.split-right {
  flex: 1;
  background: #ffffff;
  color: var(--text-primary);
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.split-right h2 {
  font-size: 2.8rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 24px;
}

.split-right p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

@media (max-width: 992px) {
  .split-screen-container {
    flex-direction: column;
  }
  .split-left, .split-right {
    padding: 60px 40px;
  }
}

/* ==========================================
   10. Services Page (主推+次级拼贴网格)
   ========================================== */
.services-mosaic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 60px;
}

/* Featured Block styling */
.featured-service-block {
  grid-column: span 3;
  background: var(--bg-glass);
  border: var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.featured-service-block:hover {
  transform: translateY(-8px);
  border-color: var(--border-color-glow);
  box-shadow: var(--shadow-glass), var(--shadow-neon-strong);
}

.featured-left h2 {
  font-size: 2.5rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 20px;
  margin-bottom: 20px;
}

.featured-right {
  border-left: 2px solid var(--color-primary);
  padding-left: 40px;
}

.featured-right p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

@media (max-width: 992px) {
  .featured-service-block {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 40px;
  }
  .featured-right {
    border-left: none;
    border-top: 2px solid var(--color-primary);
    padding-left: 0;
    padding-top: 30px;
  }
  .services-mosaic-grid {
    grid-template-columns: 1fr;
  }
  .featured-service-block {
    grid-column: span 1;
  }
}

/* ==========================================
   11. Contact Page (中央一体雕塑表单)
   ========================================== */
.centering-sculpture-container {
  max-width: 900px;
  margin: 0 auto;
}

.sculpture-header-row {
  display: flex;
  justify-content: space-between;
  border-bottom: var(--border-glass);
  padding-bottom: 30px;
  margin-bottom: 50px;
}

.sculpture-header-row .header-item {
  display: flex;
  gap: 15px;
  align-items: center;
}

.sculpture-header-row i {
  color: var(--color-primary);
  font-size: 1.5rem;
}

.sculpture-header-row span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Sculpture card */
.sculpture-card {
  background: #ffffff;
  border: 1px solid rgba(120, 53, 15, 0.15);
  box-shadow: var(--shadow-neon-strong);
  padding: 60px;
  border-radius: var(--border-radius-lg);
}

/* Elegant suspension gold underlines */
.underline-input-group {
  margin-bottom: 40px;
  position: relative;
}

.underline-input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.underline-input-group input, 
.underline-input-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(120, 53, 15, 0.2);
  padding: 12px 0;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1.05rem;
  transition: all var(--transition-fast);
  border-radius: 0;
}

.underline-input-group input:focus, 
.underline-input-group textarea:focus {
  outline: none;
  border-bottom: 2px solid var(--color-primary);
}

@media (max-width: 768px) {
  .sculpture-header-row {
    flex-direction: column;
    gap: 20px;
  }
  .sculpture-card {
    padding: 40px 24px;
  }
}

/* ==========================================
   12. Privacy Policy Page
   ========================================== */
.policy-card {
  padding: 60px;
  max-width: 960px;
  margin: 0 auto;
}

.policy-card p {
  margin-bottom: 20px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.policy-card h2 {
  font-size: 1.6rem;
  margin-top: 40px;
  margin-bottom: 20px;
  color: var(--text-primary);
  border-left: 4px solid var(--color-primary);
  padding-left: 15px;
}

.policy-card h3 {
  font-size: 1.2rem;
  margin-top: 30px;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.policy-card ul {
  margin-bottom: 24px;
  padding-left: 20px;
  list-style: square;
  color: var(--text-secondary);
}

.policy-card li {
  margin-bottom: 10px;
  font-size: 0.95rem;
}

/* ==========================================
   13. Footer Section (3-Column Asymmetric Grid)
   ========================================== */
footer {
  background: var(--bg-secondary);
  border-top: var(--border-glass);
  padding: 80px 0 40px 0;
  position: relative;
  z-index: 10;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-about h3, 
.footer-links h3, 
.footer-contact h3 {
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.footer-about p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.footer-logo-box {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  align-items: center;
}

.footer-logo-box img {
  height: 68px;
  width: auto;
  border-radius: 0;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.footer-logo-box img:hover {
  opacity: 1;
}

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links ul li a {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.footer-links ul li a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-contact p {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 18px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.footer-contact i {
  color: var(--color-primary);
  font-size: 1.05rem;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(120,53,15,0.08);
  padding-top: 30px;
  text-align: center;
}

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

@media (max-width: 992px) {
  .footer-layout {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 576px) {
  .footer-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* ==========================================
   14. Scroll Reveal Animation Classes
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), 
              transform var(--transition-slow);
}

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