/* 蘑菇视频官网 - 主样式文件 */
:root {
  --primary: #0ff;
  --accent: #7c3aed;
  --accent2: #2563eb;
  --bg-dark: #050a14;
  --bg-card: #0d1526;
  --bg-card2: #111827;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --border: rgba(99,102,241,0.25);
  --gradient: linear-gradient(135deg, #0ff 0%, #7c3aed 50%, #2563eb 100%);
  --gradient-bg: linear-gradient(135deg, #050a14 0%, #0d1526 100%);
  --neon-glow: 0 0 20px rgba(0,255,255,0.35), 0 0 40px rgba(124,58,237,0.2);
  --card-shadow: 0 4px 32px rgba(0,0,0,0.5);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ===== HEADER ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(5,10,20,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 700;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; -webkit-text-fill-color: #fff;
}

/* NAV */
.nav-menu { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-menu a {
  display: block; padding: 8px 14px;
  color: var(--text-muted); font-size: 0.9rem;
  border-radius: 8px; transition: var(--transition);
}
.nav-menu a:hover, .nav-menu a.active {
  color: var(--primary); background: rgba(0,255,255,0.07);
}
.nav-cta {
  background: var(--gradient) !important;
  -webkit-background-clip: text !important; -webkit-text-fill-color: transparent !important;
  border: 1px solid rgba(0,255,255,0.4) !important;
  padding: 7px 18px !important; border-radius: 8px !important;
}
.nav-cta:hover { box-shadow: var(--neon-glow); }

/* HAMBURGER */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }

/* SEARCH BAR */
.search-bar-wrap {
  background: rgba(13,21,38,0.95);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.search-bar-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 10px;
}
.search-bar-inner input {
  flex: 1; max-width: 480px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 8px 20px;
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}
.search-bar-inner input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,255,255,0.1); }
.search-bar-inner input::placeholder { color: var(--text-muted); }
.search-btn {
  background: var(--gradient);
  border: none; border-radius: 24px;
  padding: 8px 22px;
  color: #fff; font-size: 0.9rem; cursor: pointer;
  transition: var(--transition);
}
.search-btn:hover { opacity: 0.85; box-shadow: var(--neon-glow); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 120px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: var(--gradient-bg);
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(124,58,237,0.18) 0%, transparent 70%),
              radial-gradient(ellipse 60% 40% at 20% 70%, rgba(0,255,255,0.12) 0%, transparent 60%);
}
.hero-img-wrap {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 55%; z-index: 1; overflow: hidden;
}
.hero-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.35;
  mask-image: linear-gradient(to left, rgba(0,0,0,0.8) 0%, transparent 100%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.8) 0%, transparent 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  width: 100%;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,255,255,0.08);
  border: 1px solid rgba(0,255,255,0.3);
  border-radius: 24px; padding: 5px 16px;
  font-size: 0.8rem; color: var(--primary);
  margin-bottom: 24px;
}
.hero-tag::before { content: ''; width: 8px; height: 8px; background: var(--primary); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.3)} }

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800; line-height: 1.2;
  margin-bottom: 20px;
}
.hero h1 span {
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: 1.1rem; color: var(--text-muted);
  max-width: 560px; margin-bottom: 36px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gradient);
  color: #fff; font-size: 1rem; font-weight: 600;
  padding: 13px 32px; border-radius: 10px;
  border: none; cursor: pointer; transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--neon-glow); color: #fff; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  color: var(--primary); font-size: 1rem; font-weight: 600;
  padding: 12px 32px; border-radius: 10px;
  border: 1px solid rgba(0,255,255,0.4); cursor: pointer; transition: var(--transition);
}
.btn-outline:hover { background: rgba(0,255,255,0.07); transform: translateY(-2px); color: var(--primary); }

.hero-stats {
  display: flex; gap: 40px; margin-top: 56px; flex-wrap: wrap;
}
.hero-stat-item { text-align: left; }
.hero-stat-num {
  font-size: 2rem; font-weight: 800;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* ===== SECTION COMMONS ===== */
.section { padding: 80px 0; }
.section-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.35);
  color: #a78bfa; font-size: 0.8rem;
  padding: 4px 14px; border-radius: 24px; margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800; line-height: 1.3;
  margin-bottom: 12px;
}
.section-title span {
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.section-desc { color: var(--text-muted); font-size: 1rem; max-width: 600px; margin: 0 auto; }

/* ===== CARD ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient); opacity: 0;
  transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow), var(--neon-glow); border-color: rgba(0,255,255,0.4); }
.card:hover::before { opacity: 0.04; }

/* ===== GRID ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== VIDEO CARDS ===== */
.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow), var(--neon-glow); border-color: rgba(0,255,255,0.4); }
.video-thumb {
  position: relative; overflow: hidden;
  aspect-ratio: 16/9;
  background: #0d1526;
}
.video-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.35);
  opacity: 0; transition: var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 56px; height: 56px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 30px rgba(0,255,255,0.5);
  transform: scale(0.85); transition: var(--transition);
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon svg { width: 22px; height: 22px; fill: #fff; margin-left: 3px; }
.video-meta { padding: 16px; }
.video-meta h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
.video-stats { display: flex; gap: 16px; font-size: 0.8rem; color: var(--text-muted); }
.video-stats span { display: flex; align-items: center; gap: 4px; }
.video-tag {
  display: inline-block; background: rgba(0,255,255,0.1);
  border: 1px solid rgba(0,255,255,0.2); color: var(--primary);
  font-size: 0.72rem; padding: 2px 10px; border-radius: 12px; margin-bottom: 8px;
}

/* ===== PRODUCT CARDS ===== */
.product-icon {
  width: 52px; height: 52px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 18px;
}
.product-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.product-card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.feature-tag {
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.25);
  color: #a78bfa; font-size: 0.75rem;
  padding: 3px 10px; border-radius: 12px;
}
.card-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--primary); font-size: 0.85rem; margin-top: 16px;
  font-weight: 600;
}
.card-link:hover { gap: 10px; }

/* ===== TECH ENGINE ===== */
.tech-section { background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0f1e 100%); }
.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.tech-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-height: 400px;
}
.tech-circle {
  width: 280px; height: 280px;
  border-radius: 50%;
  border: 2px solid rgba(0,255,255,0.2);
  position: relative;
  display: flex; align-items: center; justify-content: center;
  animation: rotate 20s linear infinite;
}
@keyframes rotate { from{transform:rotate(0)} to{transform:rotate(360deg)} }
.tech-circle::before {
  content: ''; position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(124,58,237,0.3);
  animation: rotate 12s linear infinite reverse;
}
.tech-circle-center {
  width: 100px; height: 100px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
  animation: rotate 20s linear infinite reverse;
  box-shadow: 0 0 40px rgba(0,255,255,0.4);
}
.tech-dot {
  position: absolute; width: 12px; height: 12px;
  background: var(--primary); border-radius: 50%;
  box-shadow: 0 0 12px var(--primary);
}
.tech-dot:nth-child(1) { top: -6px; left: 50%; transform: translateX(-50%); }
.tech-dot:nth-child(2) { bottom: -6px; right: 20%; }
.tech-dot:nth-child(3) { left: -6px; top: 40%; }
.tech-items { display: flex; flex-direction: column; gap: 20px; }
.tech-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: var(--transition);
}
.tech-item:hover { border-color: rgba(0,255,255,0.4); transform: translateX(4px); }
.tech-item-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: var(--gradient); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.tech-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.tech-item p { font-size: 0.85rem; color: var(--text-muted); }

/* ===== SOLUTIONS ===== */
.sol-card { display: flex; flex-direction: column; }
.sol-img { border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; aspect-ratio: 16/9; }
.sol-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.sol-card:hover .sol-img img { transform: scale(1.05); }
.sol-body { padding: 24px; background: var(--bg-card); border: 1px solid var(--border); border-top: none; border-radius: 0 0 var(--radius) var(--radius); flex: 1; }
.sol-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.sol-body p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
.sol-benefits { display: flex; flex-wrap: wrap; gap: 8px; }
.sol-benefit {
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.25);
  color: #60a5fa; font-size: 0.75rem;
  padding: 3px 10px; border-radius: 12px;
}

/* ===== PROCESS ===== */
.process-section { background: linear-gradient(180deg, #0a0f1e 0%, var(--bg-dark) 100%); }
.process-steps { display: flex; gap: 0; position: relative; }
.process-steps::before {
  content: ''; position: absolute;
  top: 36px; left: 0; right: 0; height: 2px;
  background: var(--gradient); opacity: 0.3;
}
.process-step { flex: 1; text-align: center; padding: 0 16px; position: relative; }
.step-num {
  width: 72px; height: 72px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 0 24px rgba(0,255,255,0.3);
  position: relative; z-index: 1;
}
.process-step h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 0.85rem; color: var(--text-muted); }

/* ===== CASES ===== */
.case-card { overflow: hidden; }
.case-img { aspect-ratio: 16/9; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.case-card:hover .case-img img { transform: scale(1.05); }
.case-body { padding: 20px; }
.case-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.case-body p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 14px; }
.case-metrics { display: flex; gap: 12px; flex-wrap: wrap; }
.case-metric {
  background: rgba(0,255,255,0.08);
  border: 1px solid rgba(0,255,255,0.2);
  color: var(--primary); font-size: 0.75rem;
  padding: 3px 10px; border-radius: 12px;
}

/* ===== NEWS ===== */
.news-card { display: flex; gap: 16px; align-items: flex-start; }
.news-img { width: 100px; min-width: 100px; height: 70px; border-radius: 8px; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-body h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.news-body p { font-size: 0.8rem; color: var(--text-muted); }
.news-date { font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; }

/* ===== REVIEWS ===== */
.review-card { padding: 28px; }
.review-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 12px; }
.review-text { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 18px; line-height: 1.7; }
.reviewer { display: flex; align-items: center; gap: 12px; }
.reviewer-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700; color: #fff;
}
.reviewer-name { font-size: 0.9rem; font-weight: 600; }
.reviewer-role { font-size: 0.78rem; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-section { background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0f1e 100%); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-q {
  padding: 18px 24px;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; font-weight: 600; font-size: 0.95rem;
  transition: var(--transition);
  user-select: none;
}
.faq-q:hover { color: var(--primary); }
.faq-q .faq-arrow { transition: var(--transition); color: var(--primary); font-size: 1.2rem; }
.faq-item.open .faq-arrow { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
  padding: 0 24px; color: var(--text-muted); font-size: 0.9rem;
}
.faq-item.open .faq-a { max-height: 200px; padding: 0 24px 18px; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 20px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.contact-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: rgba(0,255,255,0.08);
  border: 1px solid rgba(0,255,255,0.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.contact-item-label { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 2px; }
.contact-item-val { font-size: 0.95rem; font-weight: 600; }
.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.contact-form h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-main); font-size: 0.9rem;
  outline: none; transition: var(--transition);
  font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,255,255,0.08); }
.form-group textarea { resize: vertical; min-height: 100px; }

/* ===== FOOTER ===== */
.site-footer {
  background: #030710;
  border-top: 1px solid var(--border);
  padding: 56px 0 24px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; color: var(--text-main); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 0.85rem; color: var(--text-muted); }
.footer-col ul a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.82rem; color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  padding: 12px 0;
  font-size: 0.82rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 6px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }

/* ===== INNER PAGE HERO ===== */
.inner-hero {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, #050a14 0%, #0d1526 100%);
  border-bottom: 1px solid var(--border);
}
.inner-hero h1 { font-size: clamp(1.6rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 12px; }
.inner-hero h1 span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.inner-hero p { color: var(--text-muted); font-size: 1rem; max-width: 600px; }

/* ===== MOBILE ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: 1fr; }
  .tech-visual { min-height: 200px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(5,10,20,0.98); border-bottom: 1px solid var(--border); padding: 16px; gap: 4px; }
  .nav-menu.open { display: flex; }
  .hamburger { display: flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; gap: 24px; }
  .process-steps::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-img-wrap { display: none; }
  .hero-stats { gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .section { padding: 56px 0; }
  .hero { padding-top: 130px; }
  .hero-btns { flex-direction: column; }
}