/* ==========================================================================
   HAOCHI COLLECTIVE - Co-Vendor Website Styles
   American Style Design - Based on Notion Content
   ========================================================================== */

/* CSS Variables */
:root {
  --primary: #E64A19;
  --primary-dark: #D84315;
  --primary-light: #FF7043;
  --dark: #1A1A1A;
  --dark-secondary: #2D2D2D;
  --text-primary: #1A1A1A;
  --text-secondary: #5A5A5A;
  --text-light: #8A8A8A;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EBEBEB;
  --gray-300: #E0E0E0;
  --success: #2E7D32;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-chinese: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-zh-heading: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
  --border-radius-lg: 16px;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.45s ease;
  --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body), var(--font-chinese);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark);
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

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

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

.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.logo {
  height: 32px;
  width: auto;
  object-fit: contain;
}

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

.nav-links {
  display: none;
  list-style: none;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: 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%;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  background: var(--gray-100);
  border-radius: 20px;
  padding: 4px;
}

.lang-toggle button {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 16px;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.lang-toggle button.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* Mobile Menu */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-fast);
}

/* Hamburger → X animation */
.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--white);
  padding: var(--space-lg);
  border-bottom: 1px solid var(--gray-200);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 999;
}

.mobile-nav.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-nav-links a {
  display: block;
  padding: var(--space-md);
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.mobile-nav-links a:hover {
  background: var(--gray-100);
}

/* ==========================================================================
   Mobile Bottom Tab Bar (visible on small screens)
   ========================================================================== */
.mobile-tab-bar {
  display: none;
}

@media (max-width: 767px) {
  /* 隐藏汉堡菜单按钮 */
  .menu-toggle {
    display: none;
  }

  /* 隐藏下拉式 mobile-nav（由 tab bar 替代） */
  .mobile-nav {
    display: none !important;
  }

  /* 底部 Tab Bar */
  .mobile-tab-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--gray-200);
    padding: 6px 0 max(6px, env(safe-area-inset-bottom));
    justify-content: space-around;
    align-items: center;
  }

  .tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    flex: 1;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-light);
    transition: color var(--transition-fast);
    padding: 4px 0;
  }

  .tab-item.active,
  .tab-item:hover {
    color: var(--primary);
  }

  .tab-icon {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    flex-shrink: 0;
  }

  .tab-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }

  /* 底部 Tab Bar 占位：让正文内容不被遮挡 */
  body {
    padding-bottom: calc(64px + env(safe-area-inset-bottom));
  }

  /* 顶部导航栏移动端 —— 只显示 Logo + 语言切换 */
  .nav {
    gap: var(--space-sm);
  }

  .nav .nav-links {
    display: none !important;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 35%;
  opacity: 0.55;
  transform: scale(1.04);
  animation: heroZoom 18s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.04); background-position: center 35%; }
  to   { transform: scale(1.10); background-position: center 42%; }
}

/* 暖橙色叠层：强化烟火气氛围 */
.hero-color-wash {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 60%,
    rgba(200, 60, 0, 0.22) 0%,
    rgba(255, 120, 0, 0.10) 50%,
    transparent 100%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 120px var(--space-lg) var(--space-3xl);
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(230, 74, 25, 0.2);
  border: 1px solid var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: var(--space-lg);
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--space-lg);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

/* Hero Buttons Layout */
.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Hero Buttons: Equal-Size Base ────────────────────────────── */
.btn-hero-equal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 0.95rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.025em;
  border-radius: 50px;
  border: 1.5px solid transparent;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  transition: background 0.22s ease, border-color 0.22s ease,
              color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

/* Shimmer on hover */
.btn-hero-equal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.14) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: none;
}
.btn-hero-equal:hover::before {
  animation: heroShimmer 0.5s ease forwards;
}
@keyframes heroShimmer {
  to { transform: translateX(120%); }
}

/* ── Solid (主操作按钮) ─────────────────────────────────────────── */
.btn-hero-solid {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 3px 16px rgba(230, 74, 25, 0.40),
              inset 0 1px 0 rgba(255,255,255,0.12);
}
.btn-hero-solid:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 7px 24px rgba(230, 74, 25, 0.50),
              inset 0 1px 0 rgba(255,255,255,0.1);
  color: var(--white);
}
.btn-hero-solid:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(230, 74, 25, 0.30);
}
.btn-hero-solid:focus-visible {
  outline: 3px solid rgba(255, 130, 50, 0.65);
  outline-offset: 3px;
}

/* ── Glass (次级按钮) ───────────────────────────────────────────── */
.btn-hero-glass {
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.92);
  border-color: rgba(255,255,255,0.38);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-hero-glass:hover {
  background: rgba(255,255,255,0.20);
  border-color: rgba(255,255,255,0.75);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
}
.btn-hero-glass:active {
  transform: translateY(0);
  background: rgba(255,255,255,0.14);
}
.btn-hero-glass:focus-visible {
  outline: 3px solid rgba(255,255,255,0.55);
  outline-offset: 3px;
}

/* ── Hero Scroll Hint ─────────────────────────────────────────── */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255,255,255,0.55);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 2;
  pointer-events: none;
  animation: scrollHintFade 3s ease-in-out infinite;
}
.scroll-line {
  display: block;
  width: 1.5px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.6));
  animation: scrollLineDrop 3s ease-in-out infinite;
}
@keyframes scrollHintFade {
  0%, 100% { opacity: 0.45; }
  50%       { opacity: 0.90; }
}
@keyframes scrollLineDrop {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.875rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  letter-spacing: 0.01em;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease,
              transform 0.2s ease, box-shadow 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* Ripple layer */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity 0.15s ease;
  border-radius: inherit;
}
.btn:active::after {
  opacity: 1;
}

/* Primary */
.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 2px 10px rgba(230, 74, 25, 0.25);
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(230, 74, 25, 0.35);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(230, 74, 25, 0.2);
}
.btn-primary:focus-visible {
  outline: 3px solid rgba(230, 74, 25, 0.5);
  outline-offset: 3px;
}

/* Outline (on dark bg / hero) */
.btn-outline {
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-outline:focus-visible {
  outline: 3px solid rgba(255,255,255,0.5);
  outline-offset: 3px;
}

/* Secondary (light bg) */
.btn-secondary {
  background: var(--white);
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 74, 25, 0.25);
}
.btn-secondary:active {
  transform: translateY(0);
}
.btn-secondary:focus-visible {
  outline: 3px solid rgba(230, 74, 25, 0.4);
  outline-offset: 3px;
}

/* Ghost (inline text-link style) */
.btn-ghost {
  background: transparent;
  color: var(--primary);
  padding-left: 0;
  padding-right: 0;
  border-radius: 4px;
}
.btn-ghost:hover {
  color: var(--primary-dark);
  gap: 0.65rem;
}
.btn-ghost:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Size modifiers */
.btn-sm {
  padding: 0.55rem 1.2rem;
  font-size: 0.875rem;
}
.btn-lg {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
}

/* ==========================================================================
   Stats Section
   ========================================================================== */
.stats-section {
  padding: var(--space-3xl) 0;
  background: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  text-align: center;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
  }
}

.stats-grid .stat-item {
  padding: 1.75rem 1.25rem 1.5rem;
  background: var(--gray-50);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stats-grid .stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
  border-color: var(--primary);
}

.stats-grid .stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.15;
  margin-bottom: 0.4rem;
  white-space: nowrap;
}

.stats-grid .stat-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.6rem;
}

.stats-grid .stat-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 400;
  line-height: 1.55;
  padding-top: 0.55rem;
  border-top: 1px solid var(--gray-200);
  width: 100%;
  text-align: center;
}

/* ==========================================================================
   Features Grid
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  padding: 1.75rem 1.5rem;
  background: var(--white);
  border-radius: var(--border-radius-lg);
  text-align: left;
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  border-color: var(--primary);
}

.feature-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(230, 74, 25, 0.07);
  border-radius: 18px;
  color: var(--primary);
  transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: var(--white);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--dark);
  text-align: left;
}

.feature-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.65;
  text-align: left;
}

/* ==========================================================================
   Page Sections
   ========================================================================== */
.page-section {
  padding: var(--space-3xl) 0;
}

.page-section:nth-child(even) {
  background: var(--gray-50);
}

/* Story Section */
.story-section {
  padding: var(--space-3xl) 0;
}

.story-section .container {
  max-width: 720px;
}

.story-intro {
  margin-bottom: var(--space-xl);
}

.story-intro p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: #444;
  text-align: left;
  margin-bottom: 0;
}

.story-quote {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.7;
  text-align: left;
  margin-bottom: var(--space-lg);
  padding-left: 1.25rem;
  border-left: 3px solid var(--primary);
  font-style: normal;
}

.story-intro em {
  color: var(--primary);
  font-style: italic;
}

.section-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-2xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.10);
}

.section-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.story-signature {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid #e0e0e0;
  text-align: right;
  font-size: 0.85rem;
  color: #888;
  line-height: 1.8;
}
.story-signature span {
  display: block;
  font-family: var(--font-body);
}
.story-signature strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  font-family: var(--font-display);
  margin-top: 0.25rem;
}
.sig-img {
  display: block;
  width: 200px;
  height: auto;
  margin-top: 0.25rem;
  margin-left: auto;
}

/* Mission */
.mission-list {
  max-width: 700px;
  margin: 0 auto;
}

.mission-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--gray-200);
}

.mission-item:last-child {
  border-bottom: none;
}

.mission-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.mission-content h4 {
  margin-bottom: 0.5rem;
}

.mission-content p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.product-card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.product-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-content {
  padding: var(--space-xl);
}

.product-content h4 {
  margin-bottom: var(--space-sm);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.gallery-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
  transition: var(--transition-base);
}

.gallery-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.12);
}

.gallery-img {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.gallery-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-card:hover .gallery-img img {
  transform: scale(1.05);
}

.gallery-info {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.gallery-info h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.3rem;
  line-height: 1.3;
}

.gallery-info p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.product-content p {
  font-size: 0.95rem;
}

/* Solution Steps */
.solution-steps {
  max-width: 800px;
  margin: 0 auto;
}

.solution-step {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--gray-200);
}

.solution-step:last-child {
  border-bottom: none;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
}

.step-content h4 {
  margin-bottom: var(--space-sm);
}

/* Events Grid */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.event-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.event-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.event-card:hover img {
  transform: scale(1.05);
}

.event-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-xl);
}

.event-info h4 {
  color: var(--white);
  margin-bottom: 0.25rem;
}

.event-info span {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}

/* Partners */
.partners-section {
  text-align: center;
}

.partners-section h3 {
  margin-bottom: var(--space-xl);
}

.partners-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
}

.partner-tag {
  padding: 0.75rem 1.5rem;
  background: var(--gray-100);
  border-radius: var(--border-radius);
  font-weight: 500;
  color: var(--text-secondary);
}

/* ==========================================================================
   Form Section
   ========================================================================== */
.form-section {
  background: var(--gray-50);
  padding: var(--space-3xl) 0;
}

.form-container {
  max-width: 700px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

.form-intro {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--gray-200);
}

.form-intro h3 {
  margin-bottom: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--gray-200);
}

.form-group:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

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

.form-group-title span {
  display: inline-block;
  margin-right: var(--space-sm);
}

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

.form-row:last-child {
  margin-bottom: 0;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-field label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  background: var(--white);
  width: 100%;
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: var(--gray-300);
  background: var(--gray-50);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(230, 74, 25, 0.12);
}

.form-field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%235A5A5A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
  padding-right: 3rem;
}

.form-field textarea {
  min-height: 100px;
  resize: vertical;
}

/* Event Intel */
.event-intel-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--gray-50);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
}

.remove-event-btn {
  padding: 0.75rem;
  background: #FEE2E2;
  color: #DC2626;
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.remove-event-btn:hover {
  background: #FECACA;
}

.add-event-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.875rem;
  border: 2px dashed var(--gray-300);
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition-fast);
}

.add-event-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(230, 74, 25, 0.03);
}

/* Quiz Subtitle */
.quiz-subtitle {
  font-family: var(--font-body) !important;
  font-size: 1rem !important;
  font-weight: 400 !important;
  color: var(--text-secondary) !important;
}

/* Yes/No Radio Fields */
.yesno-field {
  margin-bottom: var(--space-md);
}
.yesno-options {
  display: flex;
  gap: var(--space-md);
}
.yesno-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.875rem 1.5rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
  min-width: 80px;
  justify-content: center;
  user-select: none;
}
.yesno-label:hover {
  border-color: var(--primary);
  background: rgba(230, 74, 25, 0.03);
}
.yesno-label input[type="radio"] {
  display: none;
}
.yesno-label:has(input:checked) {
  border-color: var(--primary);
  background: rgba(230, 74, 25, 0.08);
  color: var(--primary);
  font-weight: 600;
}

/* Checkbox Grid */
.checkbox-group-field {
  margin-bottom: var(--space-md);
}
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.88rem;
  transition: var(--transition-fast);
  user-select: none;
  line-height: 1.3;
}
.checkbox-label:hover {
  border-color: var(--primary);
  background: rgba(230, 74, 25, 0.03);
}
.checkbox-label input[type="checkbox"] {
  display: none;
}
.checkbox-label:has(input:checked) {
  border-color: var(--primary);
  background: rgba(230, 74, 25, 0.08);
  color: var(--primary);
  font-weight: 500;
}

/* Reason textarea placeholder behavior */
.reason-textarea {
  min-height: 120px !important;
}
.reason-textarea:focus::placeholder {
  color: transparent;
}
.reason-textarea::placeholder {
  color: #bbb;
  opacity: 1;
  transition: color 0.2s;
}

@media (max-width: 640px) {
  .checkbox-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .yesno-options {
    gap: var(--space-sm);
  }
  .yesno-label {
    min-width: 70px;
    padding: 0.75rem 1rem;
  }
}

/* Submit */
.form-submit {
  text-align: center;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-200);
}

.form-submit .btn {
  min-width: 250px;
  padding: 1rem 2.5rem;
}

.form-footer {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-200);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.form-footer a {
  color: var(--primary);
  font-weight: 500;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--gray-300);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  text-decoration: none;
}

.social-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(230, 74, 25, 0.06);
}

/* Large social link for form footer */
.social-link-lg {
  width: 56px;
  height: 56px;
  border-width: 2px;
}

.social-link-lg:hover {
  transform: scale(1.08);
}

/* Success Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  padding: var(--space-lg);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  max-width: 450px;
  width: 100%;
  text-align: center;
  transform: scale(0.95);
  transition: var(--transition-base);
}

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

.modal-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--success);
  border-radius: 50%;
  margin: 0 auto var(--space-xl);
  font-size: 2.5rem;
}

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

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

/* Modal button - ensure center alignment */
.modal .btn {
  display: block;
  margin: var(--space-lg) auto 0;
  text-align: center;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-company {
  color: rgba(255, 255, 255, 0.85) !important;
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-sm);
}

.footer-address {
  color: rgba(255, 255, 255, 0.45) !important;
  font-size: 0.75rem !important;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.footer-links h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: var(--space-lg);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.footer-bottom-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-sm);
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.footer-bottom-links a:hover {
  color: var(--white);
}

/* ==========================================================================
   Legal Pages
   ========================================================================== */

/* ── Legal Page Hero (no image background) ──────────────────────────── */
.legal-page-hero {
  background: #1A1A1A;
  padding: 8rem var(--space-lg) 5rem;
  text-align: center;
  position: relative;
}

.legal-page-hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.legal-page-hero .hero-badge {
  display: inline-block;
  padding: 0.4rem 1.1rem;
  background: rgba(230, 74, 25, 0.15);
  border: 1px solid rgba(230, 74, 25, 0.5);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #FF8A65;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.legal-page-hero h1 {
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.legal-page-hero .hero-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  color: rgba(255, 255, 255, 0.65);
  font-weight: 400;
  line-height: 1.75;
}

/* ── Legal Section Content ───────────────────────────────────────────── */
.legal-section {
  background: var(--white);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}

.legal-section .container {
  max-width: 760px;
}

.legal-meta {
  font-size: 0.78rem;
  color: #999;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--gray-200);
  font-weight: 500;
  text-transform: uppercase;
}

.legal-block {
  margin-bottom: var(--space-2xl);
}

.legal-block > h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.9rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--primary);
  display: block;
  line-height: 1.3;
}

.legal-block > h3 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.01em;
}

.legal-block > p {
  font-size: 0.9rem;
  color: #444;
  line-height: 1.85;
  margin-bottom: 0.85rem;
  font-weight: 400;
}

.legal-block > ul {
  list-style: none;
  padding: 0;
  margin-bottom: 0.85rem;
}

.legal-block > ul li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.875rem;
  color: #444;
  line-height: 1.8;
  margin-bottom: 0.45rem;
}

.legal-block > ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
}

.legal-block > ul li strong {
  color: var(--dark);
  font-weight: 600;
}

.contact-box {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--primary);
  border-radius: var(--border-radius);
  padding: 1.25rem 1.5rem;
  margin: var(--space-md) 0;
}

.contact-box p {
  margin-bottom: 0.3rem;
  font-size: 0.875rem;
  color: #444;
}

.contact-box a {
  color: var(--primary);
  font-weight: 600;
}

.contact-box a:hover {
  color: var(--primary-dark);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* animate-on-scroll — see "Global Interaction Enhancements" at end of file */


/* ==========================================================================
   Mobile Responsive Fixes
   ========================================================================== */
@media (max-width: 767px) {

  /* ---- 全局溢出保护 ---- */
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
  }

  /* ---- 文字溢出修复（全局） ---- */
  p, h1, h2, h3, h4, h5, h6,
  li, label, span, a, button,
  .feature-card p, .gallery-info p, .product-content p,
  .stat-number, .stat-label, .hero-subtitle {
    overflow-wrap: break-word;
    word-break: break-word;
  }

  /* ---- 标题缩放（防止超宽） ---- */
  h1 { font-size: clamp(1.8rem, 8vw, 2.8rem); }
  h2 { font-size: clamp(1.5rem, 6vw, 2rem); }
  h3 { font-size: clamp(1.2rem, 5vw, 1.6rem); }
  h4 { font-size: 1.05rem; }

  /* ---- 容器内边距收窄 ---- */
  .container {
    padding: 0 var(--space-md);
  }

  /* ---- 按钮不超出屏幕 ---- */
  .btn {
    max-width: 100%;
    white-space: normal;
    word-break: break-word;
  }

  /* ---- Hero 区域 ---- */
  .hero-content {
    padding: 0 var(--space-md);
  }

  /* ---- 统计数字行不折断 ---- */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  /* ---- 功能卡片单列 ---- */
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* ---- 图片画廊适配 ---- */
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  /* ---- Section 内边距缩小 ---- */
  .section {
    padding: var(--space-2xl) 0;
  }

  /* ---- 底部链接统一样式 ---- */
  .footer-links {
    text-align: left;
  }

  .footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .footer-links li {
    margin-bottom: 0.25rem;
  }

  /* ---- 底部三列变单列 ---- */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  /* ---- 表单适配 ---- */
  .form-container {
    padding: var(--space-lg);
  }

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

  /* ---- 产品/故事页面文字区域 ---- */
  .section-text, .story-text, .product-content {
    max-width: 100%;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (min-width: 640px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .event-intel-item {
    grid-template-columns: 1fr 1fr auto;
    align-items: end;
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  
  .menu-toggle {
    display: none;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-xl);
  }
  
  .footer-links {
    min-width: 0;
  }
  
  .footer-links h4 {
    margin-bottom: var(--space-md);
  }
  
  .footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .footer-links li {
    margin-bottom: 0;
  }
}

@media (min-width: 1024px) {
  .section-image {
    aspect-ratio: 21/9;
  }
}

/* ==========================================================================
   Bilingual
   ========================================================================== */
[data-lang] { display: none; }
html[lang="zh"] [data-lang="zh"] { display: block; }
html[lang="zh"] [data-lang="en"] { display: none; }
html[lang="en"] [data-lang="en"] { display: block; }
html[lang="en"] [data-lang="zh"] { display: none; }

html[lang="zh"] span[data-lang="zh"] { display: inline; }
html[lang="zh"] span[data-lang="en"] { display: none; }
html[lang="en"] span[data-lang="en"] { display: inline; }
html[lang="en"] span[data-lang="zh"] { display: none; }

/* ==========================================================================
   Chinese Language: Force Sans-Serif for All Text & Headings
   ========================================================================== */
html[lang="zh"] body {
  font-family: var(--font-chinese);
}

html[lang="zh"] h1,
html[lang="zh"] h2,
html[lang="zh"] h3,
html[lang="zh"] h4,
html[lang="zh"] h5,
html[lang="zh"] h6 {
  font-family: var(--font-zh-heading);
  letter-spacing: 0.02em;
}

html[lang="zh"] .hero-subtitle,
html[lang="zh"] .section-label,
html[lang="zh"] .stat-label,
html[lang="zh"] .stat-sub,
html[lang="zh"] .stat-number,
html[lang="zh"] .feature-card p,
html[lang="zh"] .feature-card h3,
html[lang="zh"] .btn,
html[lang="zh"] .btn-hero-equal,
html[lang="zh"] .btn-hero-solid,
html[lang="zh"] .btn-hero-glass,
html[lang="zh"] .nav-links a,
html[lang="zh"] .footer-brand p,
html[lang="zh"] .footer-links a,
html[lang="zh"] .gallery-info h4,
html[lang="zh"] .gallery-info p,
html[lang="zh"] p {
  font-family: var(--font-chinese);
}

/* 公司名称和地址始终使用英文无衬线字体 */
html[lang="zh"] .footer-company,
html[lang="zh"] .footer-address {
  font-family: var(--font-body) !important;
}

/* ==========================================================================
   Global Interaction Enhancements
   ========================================================================== */

/* Keyboard focus — clean and accessible */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}
*:focus:not(:focus-visible) {
  outline: none;
}

/* Clickable cards — cursor + no text select */
.stat-item,
.feature-card,
.product-card,
.event-card,
.solution-card {
  cursor: default;
  user-select: none;
}

/* Smooth card lift — unified springy feel */
.feature-card,
.product-card,
.solution-card {
  transition: transform 0.22s var(--transition-bounce),
              box-shadow 0.22s ease,
              border-color 0.22s ease;
}
.feature-card:hover,
.product-card:hover,
.solution-card:hover {
  transform: translateY(-5px);
}

.stats-grid .stat-item {
  transition: transform 0.22s var(--transition-bounce),
              box-shadow 0.22s ease,
              border-color 0.22s ease;
}

/* Nav link underline animation */
.nav-links a {
  transition: color var(--transition-fast);
}
.nav-links a::after {
  transition: width var(--transition-fast);
}

/* Mobile tap — prevent ghost highlight */
a, button, .btn, .feature-card, .stat-item {
  -webkit-tap-highlight-color: transparent;
}

/* Gallery Grid — responsive */
@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}
@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* Gallery card interaction */
.gallery-card {
  cursor: default;
  transition: transform 0.22s var(--transition-bounce),
              box-shadow 0.22s ease;
}

/* Scroll animation — smoother easing */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }