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

:root {
  --primary: #2746d8;
  --primary-dark: #1a34b5;
  --primary-light: #4d63e8;
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 24px rgba(15,23,42,0.08);
  --shadow-lg: 0 20px 60px rgba(15,23,42,0.12);
  --max-width: 1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

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

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(39,70,216,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(39,70,216,0.4); }

.btn-secondary {
  background: var(--bg-alt);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: #f1f5f9; }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-50); }

.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }

.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ========== Navigation ========== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s;
}
.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 1px 12px rgba(0,0,0,0.04);
}
.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--primary); }
.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(39,70,216,0.25);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(39,70,216,0.35); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(39,70,216,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(39,70,216,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 30%, rgba(0,0,0,0.5), transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, rgba(0,0,0,0.5), transparent 70%);
}
.hero-glow {
  position: absolute;
  top: -100px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(39,70,216,0.12), transparent 60%);
  border-radius: 50%;
}
.hero-container {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero-title-gradient {
  background: linear-gradient(135deg, var(--primary), #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 48px;
}
.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}
.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Hero Visual Mockup */
.hero-visual { perspective: 1200px; }
.hero-mockup {
  transform: rotateY(-5deg) rotateX(3deg);
  transition: transform 0.5s;
}
.hero-mockup:hover { transform: rotateY(0) rotateX(0); }
.mockup-window {
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,0.05);
  overflow: hidden;
}
.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
}
.mockup-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.mockup-dot.red { background: #ef4444; }
.mockup-dot.yellow { background: #f59e0b; }
.mockup-dot.green { background: #10b981; }
.mockup-title {
  margin-left: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}
.mockup-body { display: flex; height: 340px; }
.mockup-sidebar {
  width: 56px;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #f8fafc;
  border-right: 1px solid var(--border);
}
.mockup-nav-item {
  height: 8px;
  border-radius: 4px;
  background: #e2e8f0;
}
.mockup-nav-item.active { background: var(--primary); width: 80%; }
.mockup-content {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mockup-card {
  background: #f8fafc;
  border-radius: 8px;
  padding: 16px;
  flex: 1;
}
.mockup-card-header {
  width: 40%;
  height: 8px;
  background: #e2e8f0;
  border-radius: 4px;
  margin-bottom: 16px;
}
.mockup-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 60%;
}
.mockup-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  border-radius: 4px 4px 0 0;
  opacity: 0.7;
  animation: barGrow 1.5s ease-out;
}
@keyframes barGrow { from { height: 0; } }
.mockup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  height: 80px;
}
.mockup-item {
  background: #f1f5f9;
  border-radius: 6px;
}

/* ========== Trust ========== */
.trust {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.trust-label {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.trust-items {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.trust-item:hover { opacity: 1; }

/* ========== Section Header ========== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary-50);
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== Features ========== */
.features {
  padding: 100px 0;
  background: var(--bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
}
.feature-card:hover {
  border-color: var(--primary-100);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.feature-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color) 10%, transparent);
  color: var(--color);
  border-radius: 12px;
  margin-bottom: 20px;
}
.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.feature-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 16px;
}
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feature-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 7px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: rotate(-45deg);
}

/* ========== Solutions ========== */
.solutions {
  padding: 100px 0;
  background: var(--bg-alt);
}
.solutions-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  background: #fff;
  padding: 4px;
  border-radius: 12px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--border);
}
.solution-tab {
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.solution-tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(39,70,216,0.25);
}
.solution-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.solution-panel.active { display: grid; }
.solution-content h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.solution-content > p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.7;
}
.solution-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.solution-point {
  display: flex;
  gap: 16px;
}
.solution-point-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}
.solution-point strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
}
.solution-point p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Solution Visual: Org Tree */
.org-tree {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.org-node {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
}
.org-node.hq {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  margin: 0 auto;
  width: fit-content;
}
.org-line {
  width: 2px;
  height: 24px;
  background: var(--border);
  margin: 0 auto;
}
.org-branches {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}
.org-node.branch {
  background: var(--primary-50);
  color: var(--primary);
  border: 1px solid var(--primary-100);
}
.org-stats {
  display: flex;
  justify-content: space-around;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.org-stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
}
.org-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Solution Visual: Mockup */
.solution-mockup {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.mockup-bar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
}
.mockup-bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #e2e8f0;
}
.mockup-bar span:nth-child(1) { background: #ef4444; }
.mockup-bar span:nth-child(2) { background: #f59e0b; }
.mockup-bar span:nth-child(3) { background: #10b981; }

.solution-chart { padding: 24px; }
.solution-chart-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.solution-chart-bars {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.solution-chart-bar {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}
.bar-fill {
  height: 8px;
  background: var(--primary);
  border-radius: 4px;
}
.bar-fill.warn { background: #f59e0b; }
.solution-chart-bar small { color: var(--text-muted); }
.solution-chart-bar small.warn { color: #f59e0b; font-weight: 600; }

.solution-list { padding: 24px; }
.solution-list-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.solution-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.solution-list-item:last-child { border-bottom: none; }
.solution-list-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}
.solution-list-text {
  flex: 1;
  font-size: 0.88rem;
}
.solution-list-tag {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.solution-list-tag.done { background: #d1fae5; color: #059669; }
.solution-list-tag.pending { background: #fef3c7; color: #d97706; }
.solution-list-tag.urgent { background: #fee2e2; color: #dc2626; }

/* ========== Architecture ========== */
.architecture {
  padding: 100px 0;
  background: var(--bg);
}
.arch-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}
.arch-central {
  display: flex;
  justify-content: center;
}
.arch-core {
  text-align: center;
  padding: 48px;
  background: var(--bg-alt);
  border-radius: 50%;
  width: 280px; height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--primary-100);
  position: relative;
}
.arch-core::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 2px dashed var(--primary-100);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}
@keyframes rotate { to { transform: rotate(360deg); } }
.arch-core h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 16px;
}
.arch-core p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.arch-rules {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.arch-rule {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.arch-rule:hover {
  border-color: var(--primary-100);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}
.arch-rule-num {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-100);
  min-width: 32px;
}
.arch-rule-content { flex: 1; }
.arch-rule-content strong {
  font-size: 0.95rem;
}
.arch-rule-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.arch-rule-weight {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-50);
  padding: 4px 10px;
  border-radius: 999px;
}

/* ========== Pricing ========== */
.pricing {
  padding: 100px 0;
  background: var(--bg-alt);
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}
.pricing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  position: relative;
  transition: all 0.3s;
}
.pricing-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.pricing-featured {
  border: 2px solid var(--primary);
  box-shadow: 0 20px 60px rgba(39,70,216,0.15);
}
.pricing-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 6px 20px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.pricing-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}
.pricing-price-currency { font-size: 1.2rem; font-weight: 700; color: var(--text-secondary); }
.pricing-price-amount { font-size: 3rem; font-weight: 900; color: var(--text); }
.pricing-price-period { font-size: 0.9rem; color: var(--text-muted); }
.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.pricing-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text);
}
.pricing-feature .check {
  width: 18px; height: 18px;
  background: var(--primary);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}
.pricing-feature .check::after {
  content: '';
  position: absolute;
  left: 5px; top: 3px;
  width: 5px; height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.pricing-feature.muted {
  color: var(--text-muted);
}
.pricing-feature.muted .check {
  background: #e2e8f0;
}
.pricing-feature.muted .check::after { display: none; }
.pricing-feature.muted::before {
  content: '—';
  margin-right: -28px;
  margin-left: 6px;
  color: var(--text-muted);
}

/* ========== CTA ========== */
.cta {
  padding: 80px 0;
  background: var(--bg);
}
.cta-box {
  position: relative;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 24px;
  padding: 64px;
  text-align: center;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1), transparent 50%);
}
.cta-content { position: relative; z-index: 1; }
.cta-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.cta-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}
.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.cta-note {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
}

/* Download Group */
.download-group {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-actions-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin-top: 16px;
}

.hero-note {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.mac-btn {
  position: relative;
}

.badge-soon {
  display: inline-block;
  padding: 1px 8px;
  background: #fef3c7;
  color: #d97706;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  margin-left: 6px;
}

.btn-outline-light {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.6);
}

/* ========== Footer ========== */
.footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-logo span {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}
.footer-tagline {
  font-size: 0.9rem;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: #94a3b8;
  margin-bottom: 8px;
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid #1e293b;
  font-size: 0.82rem;
}

/* ========== Responsive ========== */
@media (max-width: 968px) {
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 2.5rem; }
  .hero-visual { max-width: 500px; margin: 0 auto; }
  .features-grid { grid-template-columns: 1fr; }
  .arch-grid { grid-template-columns: 1fr; }
  .solution-panel.active { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: #fff;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
}
@media (max-width: 640px) {
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.8rem; }
  .hero-stats { gap: 24px; }
  .hero-stat-value { font-size: 1.5rem; }
  .cta-box { padding: 40px 24px; }
  .cta-title { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .trust-items { gap: 24px; }
}