:root {
  --primary: #1a3a5c;
  --accent: #d4a847;
  --accent-light: #e8c573;
  --dark: #0f1923;
  --light: #f7f9fc;
  --gray: #8896a6;
  --border: #e2e8f0;
  --white: #ffffff;
  --shadow: 0 4px 24px rgba(15, 25, 35, 0.08);
  --shadow-lg: 0 12px 48px rgba(15, 25, 35, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', -apple-system, 'Microsoft YaHei', sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }

/* === Nav === */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 60px;
  display: flex; align-items: center; justify-content: space-between;
  transition: all 0.4s ease;
}
.nav.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  padding: 14px 60px;
}
.nav-logo { font-size: 24px; font-weight: 900; color: var(--white); letter-spacing: -0.5px; transition: color 0.3s; }
.nav.scrolled .nav-logo { color: var(--primary); }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a { color: rgba(255,255,255,0.9); font-size: 15px; font-weight: 500; transition: all 0.3s; position: relative; }
.nav.scrolled .nav-links a { color: var(--dark); }
.nav-links a:hover { color: var(--accent); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -6px; left: 0;
  width: 0; height: 2px; background: var(--accent); transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 10px 28px; background: var(--accent); color: var(--dark);
  border: none; border-radius: 4px; font-size: 14px; font-weight: 700; cursor: pointer;
  transition: all 0.3s;
}
.nav-cta:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(212,168,71,0.4); }

/* === Hero === */
.hero {
  height: 100vh; min-height: 680px; position: relative;
  display: flex; align-items: center; overflow: hidden; background: var(--dark);
}
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #0f1923 0%, #1a3a5c 50%, #0f1923 100%);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 70% 30%, rgba(212,168,71,0.15) 0%, transparent 50%),
    radial-gradient(circle at 30% 70%, rgba(26,58,92,0.3) 0%, transparent 50%);
}
.hero-pattern {
  position: absolute; inset: 0; opacity: 0.03;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; padding: 0 60px; width: 100%; }
.hero-tag {
  display: inline-block; padding: 6px 18px; margin-bottom: 28px;
  background: rgba(212,168,71,0.15); border: 1px solid rgba(212,168,71,0.3);
  border-radius: 100px; color: var(--accent-light); font-size: 13px; font-weight: 500;
  opacity: 0; animation: fadeUp 0.8s 0.2s forwards;
}
.hero h1 {
  font-size: 64px; font-weight: 900; color: var(--white); line-height: 1.15;
  letter-spacing: -2px; margin-bottom: 24px; opacity: 0; animation: fadeUp 0.8s 0.4s forwards;
}
.hero h1 span {
  display: block; font-size: 28px; font-weight: 300;
  color: rgba(255,255,255,0.7); letter-spacing: 4px; margin-top: 8px;
}
.hero p {
  font-size: 18px; color: rgba(255,255,255,0.7); max-width: 560px; margin-bottom: 40px;
  font-weight: 300; opacity: 0; animation: fadeUp 0.8s 0.6s forwards;
}
.hero-buttons { display: flex; gap: 16px; opacity: 0; animation: fadeUp 0.8s 0.8s forwards; }
.btn-primary {
  padding: 16px 40px; background: var(--accent); color: var(--dark);
  border: none; border-radius: 4px; font-size: 16px; font-weight: 700; cursor: pointer;
  transition: all 0.3s; display: inline-block;
}
.btn-primary:hover { background: var(--accent-light); transform: translateY(-3px); box-shadow: 0 8px 28px rgba(212,168,71,0.4); }
.btn-secondary {
  padding: 16px 40px; background: transparent; color: var(--white);
  border: 1px solid rgba(255,255,255,0.3); border-radius: 4px; font-size: 16px;
  font-weight: 500; cursor: pointer; transition: all 0.3s; display: inline-block;
}
.btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,0.05); }
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.4); font-size: 12px; letter-spacing: 2px; text-align: center;
  animation: bounce 2s infinite;
}
.hero-scroll::after {
  content: ''; display: block; width: 1px; height: 30px;
  background: rgba(255,255,255,0.3); margin: 8px auto 0;
}

@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(10px); } }

/* === Section Common === */
section { padding: 100px 60px; max-width: 1400px; margin: 0 auto; }
.section-label {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.section-title { font-size: 42px; font-weight: 900; color: var(--primary); letter-spacing: -1px; margin-bottom: 16px; }
.section-desc { font-size: 16px; color: var(--gray); max-width: 600px; margin-bottom: 60px; }

/* === About === */
.about { background: var(--light); max-width: 100%; padding: 100px 60px; }
.about-inner { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-text h2 { font-size: 42px; font-weight: 900; color: var(--primary); letter-spacing: -1px; margin-bottom: 24px; }
.about-text p { font-size: 17px; color: var(--gray); margin-bottom: 32px; line-height: 1.8; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; padding-top: 32px; border-top: 1px solid var(--border); }
.stat-num { font-size: 36px; font-weight: 900; color: var(--accent); }
.stat-label { font-size: 13px; color: var(--gray); margin-top: 4px; }
.about-visual {
  height: 420px; border-radius: 8px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #1a3a5c, #0f1923); box-shadow: var(--shadow-lg);
}
.about-visual::before {
  content: 'Dohome'; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-size: 80px; font-weight: 900; color: rgba(255,255,255,0.08); letter-spacing: -2px;
}
.about-visual::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(212,168,71,0.2) 0%, transparent 40%),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,0.05) 0%, transparent 40%);
}

/* === Mode === */
.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.mode-card {
  padding: 48px; background: var(--white); border: 1px solid var(--border);
  border-radius: 8px; transition: all 0.4s ease; position: relative; overflow: hidden;
}
.mode-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
  background: var(--accent); transform: scaleY(0); transition: transform 0.4s ease; transform-origin: top;
}
.mode-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.mode-card:hover::before { transform: scaleY(1); }
.mode-badge {
  display: inline-block; padding: 6px 20px; background: var(--primary); color: var(--white);
  font-size: 14px; font-weight: 700; border-radius: 4px; margin-bottom: 20px; letter-spacing: 1px;
}
.mode-card h3 { font-size: 24px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.mode-card p { color: var(--gray); font-size: 15px; line-height: 1.7; }

/* === Platforms === */
.platforms { background: var(--dark); max-width: 100%; padding: 100px 60px; text-align: center; }
.platforms-inner { max-width: 1400px; margin: 0 auto; }
.platforms .section-title { color: var(--white); }
.platforms .section-label { color: var(--accent); }
.platforms .section-desc { color: rgba(255,255,255,0.5); margin-left: auto; margin-right: auto; }
.platform-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-top: 60px; }
.platform-item {
  padding: 32px 16px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px; transition: all 0.3s ease; cursor: pointer;
}
.platform-item:hover { background: rgba(255,255,255,0.08); border-color: rgba(212,168,71,0.3); transform: translateY(-4px); }
.platform-name { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.platform-desc { font-size: 12px; color: rgba(255,255,255,0.4); line-height: 1.5; }

/* === Advantages === */
.advantage-list { display: flex; flex-direction: column; gap: 40px; }
.advantage-item {
  display: grid; grid-template-columns: 80px 1fr auto; gap: 32px; align-items: center;
  padding: 40px; background: var(--white); border: 1px solid var(--border); border-radius: 8px;
  transition: all 0.4s ease;
}
.advantage-item:hover { box-shadow: var(--shadow-lg); border-color: transparent; transform: translateX(8px); }
.advantage-num { font-size: 56px; font-weight: 900; color: var(--accent); opacity: 0.3; line-height: 1; }
.advantage-content h3 { font-size: 22px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.advantage-content p { color: var(--gray); font-size: 15px; }
.advantage-link {
  padding: 12px 28px; background: var(--primary); color: var(--white); border: none;
  border-radius: 4px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.3s;
  white-space: nowrap; display: inline-block;
}
.advantage-link:hover { background: var(--accent); color: var(--dark); }

/* === Inventory AI === */
.inventory {
  background: linear-gradient(180deg, var(--dark) 0%, #142535 100%);
  max-width: 100%; padding: 100px 60px; overflow: hidden;
}
.inventory-inner { max-width: 1400px; margin: 0 auto; }
.inventory .section-title { color: var(--white); }
.inventory .section-label { color: var(--accent); }
.inventory .section-desc { color: rgba(255,255,255,0.5); }
.inventory-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-top: 60px; }
.inventory-visual {
  height: 460px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px; padding: 32px; position: relative; overflow: hidden;
}
.inventory-visual::before {
  content: ''; position: absolute; top: -50%; right: -30%; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(212,168,71,0.08) 0%, transparent 70%); border-radius: 50%;
}
.inv-chart { position: relative; z-index: 2; }
.inv-chart-title { color: rgba(255,255,255,0.5); font-size: 13px; letter-spacing: 1px; margin-bottom: 20px; text-transform: uppercase; }
.inv-bars { display: flex; align-items: flex-end; gap: 12px; height: 200px; margin-bottom: 24px; }
.inv-bar { flex: 1; border-radius: 4px 4px 0 0; position: relative; transform-origin: bottom; }
.inv-bar.current { background: linear-gradient(180deg, rgba(212,168,71,0.6), rgba(212,168,71,0.2)); }
.inv-bar.predicted { background: linear-gradient(180deg, rgba(212,168,71,0.3), rgba(212,168,71,0.05)); border: 1px dashed rgba(212,168,71,0.3); border-bottom: none; }
.inv-bar-label { position: absolute; bottom: -24px; left: 50%; transform: translateX(-50%); font-size: 11px; color: rgba(255,255,255,0.4); white-space: nowrap; }
.inv-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); }
.inv-stat { text-align: center; }
.inv-stat-num { font-size: 28px; font-weight: 900; color: var(--accent); }
.inv-stat-label { font-size: 12px; color: rgba(255,255,255,0.4); margin-top: 4px; }
.inv-features { display: flex; flex-direction: column; gap: 24px; }
.inv-feature { display: flex; gap: 20px; align-items: flex-start; }
.inv-feature-icon {
  width: 48px; height: 48px; flex-shrink: 0; background: rgba(212,168,71,0.1);
  border: 1px solid rgba(212,168,71,0.2); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.inv-feature h4 { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.inv-feature p { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.6; }
.inv-cta { margin-top: 32px; display: flex; gap: 16px; }

/* === Products === */
.products { background: var(--light); max-width: 100%; padding: 100px 60px; }
.products-inner { max-width: 1400px; margin: 0 auto; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { height: 280px; border-radius: 8px; overflow: hidden; position: relative; cursor: pointer; transition: all 0.4s ease; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 0.6s ease; }
.product-card:hover .product-bg { transform: scale(1.08); }
.product-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15,25,35,0.9) 0%, rgba(15,25,35,0.3) 60%, transparent 100%);
}
.product-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px; }
.product-info h3 { font-size: 22px; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.product-info p { font-size: 14px; color: rgba(255,255,255,0.6); }
.product-card .learn-more {
  position: absolute; top: 20px; right: 20px; width: 40px; height: 40px;
  background: rgba(255,255,255,0.15); backdrop-filter: blur(8px); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 18px;
  opacity: 0; transition: all 0.3s;
}
.product-card:hover .learn-more { opacity: 1; }

/* === Help === */
.help-list { display: flex; flex-direction: column; gap: 16px; max-width: 900px; }
.help-item {
  padding: 28px 32px; background: var(--white); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; transition: all 0.3s ease;
}
.help-item:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.help-q {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 17px; font-weight: 600; color: var(--primary);
}
.help-q::after { content: '+'; font-size: 24px; color: var(--accent); transition: transform 0.3s; }
.help-item.open .help-q::after { transform: rotate(45deg); }
.help-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, margin-top 0.4s ease; color: var(--gray); font-size: 15px; line-height: 1.8; }
.help-item.open .help-a { max-height: 200px; margin-top: 16px; }

/* === Footer === */
.footer { background: var(--dark); max-width: 100%; padding: 80px 60px 40px; color: var(--white); }
.footer-inner {
  max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand h3 { font-size: 28px; font-weight: 900; margin-bottom: 16px; }
.footer-brand h3 span { color: var(--accent); }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 15px; line-height: 1.7; max-width: 360px; }
.footer-col h4 { font-size: 14px; font-weight: 700; color: var(--accent); margin-bottom: 20px; letter-spacing: 1px; text-transform: uppercase; }
.footer-col p { color: rgba(255,255,255,0.6); font-size: 14px; margin-bottom: 8px; line-height: 1.6; }
.footer-col a { color: rgba(255,255,255,0.6); font-size: 14px; display: block; margin-bottom: 10px; transition: color 0.3s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1400px; margin: 0 auto; padding-top: 32px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: rgba(255,255,255,0.3);
}

/* === Register / Form pages === */
.page-hero {
  background: linear-gradient(135deg, #0f1923 0%, #1a3a5c 60%, #0f1923 100%);
  padding: 160px 60px 80px; text-align: center; color: var(--white);
}
.page-hero h1 { font-size: 46px; font-weight: 900; letter-spacing: -1px; margin-bottom: 16px; }
.page-hero h1 span { color: var(--accent); }
.page-hero p { color: rgba(255,255,255,0.6); font-size: 16px; max-width: 620px; margin: 0 auto; }
.form-wrap { max-width: 860px; margin: -60px auto 100px; padding: 0 24px; position: relative; z-index: 2; }
.form-card {
  background: var(--white); border-radius: 16px; box-shadow: var(--shadow-lg);
  padding: 48px; border: 1px solid var(--border);
}
.form-section-title {
  font-size: 18px; font-weight: 700; color: var(--primary);
  padding-bottom: 12px; margin-bottom: 24px; border-bottom: 2px solid var(--light);
  display: flex; align-items: center; gap: 10px;
}
.form-section-title .idx {
  width: 26px; height: 26px; border-radius: 6px; background: var(--accent); color: var(--dark);
  display: inline-flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 900;
}
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.field label .req { color: #e74c3c; margin-left: 2px; }
.field .hint { font-size: 12px; color: var(--gray); font-weight: 400; margin-left: 8px; }
.input, .select, .textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; color: var(--dark); background: var(--white); outline: none; transition: border 0.2s;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); }
.textarea { min-height: 110px; resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 100px;
  font-size: 13.5px; cursor: pointer; color: var(--gray); transition: all 0.2s; user-select: none; background: var(--white);
}
.chip.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.radio-group { display: flex; flex-wrap: wrap; gap: 12px; }
.radio {
  padding: 10px 18px; border: 1px solid var(--border); border-radius: 8px;
  cursor: pointer; font-size: 14px; color: var(--gray); transition: all 0.2s; background: var(--white);
}
.radio.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.upload-box {
  border: 2px dashed var(--border); border-radius: 10px; padding: 28px; text-align: center;
  color: var(--gray); font-size: 13px; transition: all 0.2s; cursor: pointer;
}
.upload-box:hover { border-color: var(--accent); }
.upload-box .ic { font-size: 28px; display: block; margin-bottom: 8px; }
.agree { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--gray); margin: 24px 0; }
.agree input { margin-top: 3px; }
.err-msg { color: #e74c3c; font-size: 12.5px; margin-top: 6px; }
.submit-bar { display: flex; gap: 14px; align-items: center; margin-top: 8px; }
.submit-btn {
  flex: 1; padding: 16px; background: var(--accent); color: var(--dark);
  border: none; border-radius: 8px; font-size: 16px; font-weight: 700; cursor: pointer; transition: all 0.3s;
}
.submit-btn:hover { background: var(--accent-light); }
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.success-card { text-align: center; padding: 60px 40px; }
.success-ico { font-size: 64px; margin-bottom: 20px; }
.success-card h2 { font-size: 26px; font-weight: 900; color: var(--primary); margin-bottom: 12px; }
.success-card p { color: var(--gray); font-size: 15px; margin-bottom: 8px; }
.success-id {
  display: inline-block; padding: 12px 28px; background: var(--light); border: 1px dashed var(--accent);
  border-radius: 10px; font-size: 22px; font-weight: 900; color: var(--accent); letter-spacing: 2px; margin: 16px 0 28px;
}

/* === Progress page === */
.progress-box { max-width: 620px; }
.progress-result { margin-top: 24px; }
.status-card {
  background: var(--white); border: 1px solid var(--border); border-radius: 14px; padding: 32px;
  box-shadow: var(--shadow);
}
.status-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.status-name { font-size: 16px; font-weight: 700; color: var(--primary); }
.timeline { display: flex; flex-direction: column; gap: 0; }
.tl-step { display: flex; gap: 16px; position: relative; padding-bottom: 24px; }
.tl-step:last-child { padding-bottom: 0; }
.tl-step::before {
  content: ''; position: absolute; left: 11px; top: 26px; bottom: 0; width: 2px; background: var(--border);
}
.tl-step:last-child::before { display: none; }
.tl-dot {
  width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0;
  background: var(--light); border: 2px solid var(--border); display: flex; align-items: center; justify-content: center;
  font-size: 12px; z-index: 1;
}
.tl-step.done .tl-dot { background: var(--accent); border-color: var(--accent); color: var(--dark); }
.tl-step.active .tl-dot { border-color: var(--accent); color: var(--accent); }
.tl-body h5 { font-size: 14.5px; font-weight: 700; color: var(--dark); }
.tl-body p { font-size: 12.5px; color: var(--gray); margin-top: 2px; }

/* === Responsive === */
@media (max-width: 900px) {
  .nav { padding: 16px 24px; }
  .nav-links { display: none; }
  .hero h1 { font-size: 40px; }
  .hero h1 span { font-size: 20px; }
  .hero-content { padding: 0 24px; }
  section { padding: 60px 24px; }
  .about, .platforms, .products, .footer, .inventory { padding: 60px 24px; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .mode-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-item { grid-template-columns: 60px 1fr; }
  .advantage-link { grid-column: 1 / -1; text-align: center; }
  .product-grid { grid-template-columns: 1fr; }
  .inventory-grid { grid-template-columns: 1fr; gap: 40px; }
  .inventory-visual { height: 380px; padding: 20px; }
  .inv-bars { height: 140px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .section-title { font-size: 30px; }
  .row-2, .row-3 { grid-template-columns: 1fr; }
  .form-card { padding: 28px 20px; }
  .page-hero { padding: 130px 24px 60px; }
}

/* === Scroll Reveal === */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }