/* ==========================================
   Apple-Inspired Design System
   ========================================== */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #fafafa;
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #6e6e73;
  --accent: #0066cc;
  --accent-hover: #0077ed;
  --accent-light: #e8f0fe;
  --border: #d2d2d7;
  --border-light: #e5e5ea;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.08);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --nav-height: 52px;
  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
               'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.47059;
  font-weight: 400;
  letter-spacing: -0.022em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* ==========================================
   Navigation
   ========================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.08);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-logo-mark {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Logo 图片模式：去掉蓝底，尺寸跟随文字高度，宽度自适应图片 */
.nav-logo-mark.has-image {
  background: transparent;
  width: auto;
  height: auto;
  border-radius: 0;
  padding: 0;
}

.nav-logo-mark.has-image .nav-logo-img {
  width: auto;
  height: 28px; /* 再放大 6px */
  max-width: 160px;
}

@media (max-width: 640px) {
  .nav-logo-mark.has-image .nav-logo-img {
    height: 26px;
    max-width: 140px;
  }
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
}

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

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  transition: background var(--transition);
}

.nav-cta:hover { background: var(--accent-hover); }

/* ==========================================
   Hero
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + 80px) 0 80px;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0,102,204,.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,102,204,.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-eyebrow {
  font-size: 15px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-desc {
  font-size: 19px;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 28px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: scale(1.02);
}

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

.btn-outline:hover {
  background: var(--accent-light);
}

/* Hero visual preview */
.hero-visual {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 560px;
  height: 480px;
  display: none;
}

@media (min-width: 1100px) {
  .hero-visual { display: block; }
  .hero-content { max-width: 600px; }
}

/* ==========================================
   Stats Bar
   ========================================== */
.stats-bar {
  padding: 48px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

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

.stat-value {
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* ==========================================
   Sections
   ========================================== */
.section {
  padding: 120px 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-tag {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

.section-title {
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ==========================================
   Features Grid
   ========================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  transition: all var(--transition);
  text-align: center;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-body {
  padding: 0 32px 40px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  text-align: center;
}

/* 文字 / Emoji 图标：小方块 + 浅色底 */
.feature-icon {
  width: 56px;
  height: 56px;
  margin: 40px auto 24px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  overflow: hidden;
  flex-shrink: 0;
}

.feature-icon-text {
  line-height: 1;
}

/* 上传图：与顶、左右对齐；高度随图收缩（与 solution-visual--photo 一致） */
.feature-visual.feature-visual--photo {
  background: transparent;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  width: 100%;
  height: auto;
  display: block;
  line-height: 0;
}

.feature-visual--photo .feature-visual-img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: min(320px, 46vw);
  object-fit: contain;
  object-position: center top;
  vertical-align: top;
}

.feature-card:has(.feature-visual--photo) .feature-body {
  padding-top: 20px;
}

.feature-body h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.feature-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.55;
}

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

.solution-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.solution-visual {
  height: 180px;
  background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  position: relative;
  overflow: hidden;
}

.solution-visual::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0,102,204,.08) 0%, transparent 70%);
  transform: translate(-50%, -50%);
}

/* 上传图：与顶、左右对齐；高度随图收缩（不再用整块定高，避免图与标题之间大块留白） */
.solution-visual.solution-visual--photo {
  background: transparent;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  width: 100%;
  height: auto;
  display: block;
  line-height: 0;
}

.solution-visual--photo::after {
  display: none;
}

.solution-visual-text {
  position: relative;
  z-index: 1;
  line-height: 1;
}

.solution-visual--photo .solution-visual-img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: min(320px, 46vw);
  object-fit: contain;
  object-position: center top;
  vertical-align: top;
}

.solution-body {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* 上图下文卡片：标题区与图更近 */
.solution-card:has(.solution-visual--photo) .solution-body {
  padding-top: 20px;
}

.solution-body h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.solution-body > p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 24px;
  flex: 1;
}

.solution-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.spec-item {
  background: var(--bg-tertiary);
  border-radius: 8px;
  padding: 10px 12px;
}

.spec-label {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: 2px;
  font-weight: 500;
}

.spec-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

/* ==========================================
   Industries
   ========================================== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.industry-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}

.industry-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.industry-icon {
  font-size: 32px;
  margin-bottom: 14px;
}

.industry-item h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.industry-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================
   About
   ========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 100px;
}

.about-text h2 {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

.about-text p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.about-visual {
  background: linear-gradient(135deg, #f0f4f8 0%, #e8edf2 100%);
  border-radius: var(--radius-xl);
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
  position: relative;
  overflow: hidden;
}

.about-visual::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,102,204,.1) 0%, transparent 70%);
  border-radius: 50%;
}

/* 上传图：栏宽铺满，固定展示高度，上下或左右超出部分裁剪 */
.about-visual.about-visual--photo {
  background: #e8edf2;
  display: block;
  font-size: 0;
  line-height: 0;
}

.about-visual.about-visual--photo::after {
  display: none;
}

.about-visual--photo .about-visual-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ==========================================
   Contact
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-info h2 {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

.contact-info > p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 40px;
}

.contact-detail {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 44px; height: 44px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-detail h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 3px;
}

.contact-detail p {
  font-size: 15px;
  color: var(--text-secondary);
}

/* Form */
.contact-form {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form h3 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,102,204,.1);
  background: #fff;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  padding: 15px;
  font-size: 16px;
  margin-top: 8px;
}

.form-success {
  text-align: center;
  padding: 16px;
  background: #f0fff4;
  border: 1px solid #a3e4b8;
  border-radius: 10px;
  color: #1a7f3a;
  font-size: 14px;
  display: none;
  margin-top: 16px;
}

.form-success.show { display: block; }

/* ==========================================
   Contact Modal (3-min auto popup)
   ========================================== */
.contact-modal-overlay[hidden],
.contact-modal[hidden] {
  display: none !important;
}

.contact-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.46);
  z-index: 1200;
  opacity: 0;
  transition: opacity 220ms ease;
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 1210;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.contact-modal.is-open {
  opacity: 1;
  transform: translateY(0);
}

.contact-modal-overlay.is-open {
  opacity: 1;
}

.contact-modal-card {
  width: min(720px, 100%);
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  padding: 22px 22px 18px;
}

.contact-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.contact-modal-head h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.contact-modal-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 16px;
}

.contact-modal-close {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.12);
  background: rgba(255,255,255,.8);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.contact-modal-close:hover {
  background: rgba(255,255,255,1);
  transform: scale(1.03);
}

.contact-modal .contact-form {
  border: 0;
  padding: 0;
  background: transparent;
}

.contact-modal-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 8px;
}

.contact-modal-actions .btn {
  flex: 1 1 180px;
}

.btn-muted {
  background: #f5f5f7;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-muted:hover {
  background: #ededf0;
}

@media (prefers-reduced-motion: reduce) {
  .contact-modal,
  .contact-modal-overlay {
    transition: none !important;
  }
}

/* ==========================================
   Site Toast (success message)
   ========================================== */
.site-toast[hidden] { display: none !important; }

.site-toast {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1300;
  max-width: min(90vw, 420px);
  text-align: center;
  padding: 14px 22px;
  border-radius: 14px;
  background: rgba(0, 102, 204, 0.82);
  color: #fff;
  font-size: 13px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  box-shadow: 0 12px 40px rgba(0,0,0,.18);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  opacity: 0;
  pointer-events: none;
}

.site-toast.show {
  opacity: 1;
  animation: siteToastFade 3s ease forwards;
}

@keyframes siteToastFade {
  0% { opacity: 0; transform: translate(-50%, calc(-50% + 12px)); }
  10% { opacity: 1; transform: translate(-50%, -50%); }
  70% { opacity: 1; transform: translate(-50%, -50%); }
  100% { opacity: 0; transform: translate(-50%, calc(-50% - 8px)); }
}

/* ==========================================
   CTA Banner
   ========================================== */
.cta-banner {
  background: var(--text-primary);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  margin: 0 40px;
}

.cta-banner h2 {
  font-size: 36px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 17px;
  color: rgba(255,255,255,.64);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--text-primary);
  font-weight: 500;
}

.cta-banner .btn-primary:hover {
  background: #e5e5ea;
}

.cta-banner .btn-outline {
  border-color: rgba(255,255,255,.3);
  color: #fff;
}

.cta-banner .btn-outline:hover {
  background: rgba(255,255,255,.08);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
  background: var(--bg-secondary);
  padding: 72px 0 32px;
  border-top: 1px solid var(--border-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 48px;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-tertiary);
}

.footer-bottom #site-footer-icp-link {
  color: inherit;
  text-decoration: none;
}

.footer-bottom #site-footer-icp-link:hover {
  color: var(--text-secondary);
}

/* ==========================================
   Animations
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.reveal.d1 { transition-delay: 0.04s; }
.reveal.d2 { transition-delay: 0.08s; }
.reveal.d3 { transition-delay: 0.12s; }
.reveal.d4 { transition-delay: 0.16s; }
.reveal.d5 { transition-delay: 0.20s; }
.reveal.d6 { transition-delay: 0.24s; }

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

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 1024px) {
  .features-grid,
  .solutions-grid,
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 40px; }
  .section-title { font-size: 32px; }
}

@media (max-width: 640px) {
  .container { padding: 0 24px; }
  .nav-links { display: none; }
  .features-grid,
  .solutions-grid,
  .industries-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stat-value { font-size: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero h1 { font-size: 32px; }
  .hero-desc { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .section { padding: 72px 0; }
  .section-title { font-size: 28px; }
  .cta-banner { margin: 0 16px; padding: 56px 28px; }
  .cta-banner h2 { font-size: 26px; }
  .about-visual { height: 280px; }
}

/* Stat value suffix typography */
.stat-value .unit-lg { font-size: 24px; }
.stat-value .unit-md { font-size: 20px; }

/* CTA banner button row */
.cta-banner-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer brand logo link */
.footer .nav-logo.footer-logo {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.footer .nav-logo.footer-logo #site-footer-brand {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.form-error-msg {
  color: #b42318;
  font-size: 14px;
  margin-bottom: 16px;
  padding: 10px 12px;
  background: #fef3f2;
  border: 1px solid #fecdca;
  border-radius: 10px;
}