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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --border: #2a2a3a;
  --border-light: #1e1e2e;
  --text-primary: #e8e8ef;
  --text-secondary: #9898a8;
  --text-muted: #6a6a7a;
  --accent: #6c5ce7;
  --accent-light: #8b7cf7;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --green: #00cec9;
  --green-glow: rgba(0, 206, 201, 0.2);
  --red: #ff6b6b;
  --orange: #feca57;
  --gradient-1: linear-gradient(135deg, #6c5ce7, #00cec9);
  --gradient-2: linear-gradient(135deg, #6c5ce7, #fd79a8);
  --gradient-3: linear-gradient(135deg, #00cec9, #6c5ce7, #fd79a8);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', Menlo, monospace;
  --max-width: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent);
}

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

code {
  font-family: var(--font-mono);
  background: rgba(108, 92, 231, 0.12);
  color: var(--accent-light);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

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

/* ========== Navbar ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: background 0.3s;
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-github {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(108, 92, 231, 0.12);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(108, 92, 231, 0.2);
}

.nav-github:hover {
  background: rgba(108, 92, 231, 0.2);
  border-color: rgba(108, 92, 231, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: 0.3s;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(108, 92, 231, 0.15) 0%, rgba(0, 206, 201, 0.05) 50%, transparent 70%);
  filter: blur(60px);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108, 92, 231, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 92, 231, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  color: var(--accent-light);
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--gradient-3);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.hero-sub-detail {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.25s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: translateY(-1px);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--text-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 40px;
  padding: 16px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  display: inline-flex;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-light);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* Screenshot Frame */
.hero-screenshot {
  margin-top: 48px;
}

.screenshot-frame {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.frame-dots {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
}

.frame-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.frame-dots span:nth-child(1) { background: #ff5f57; }
.frame-dots span:nth-child(2) { background: #febc2e; }
.frame-dots span:nth-child(3) { background: #28c840; }

.screenshot-frame img {
  width: 100%;
  display: block;
}

/* ========== Pain Points ========== */
.pain-points {
  padding: 80px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-label {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 40px;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.pain-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  transition: border-color 0.3s;
}

.pain-card:hover {
  border-color: var(--red);
}

.pain-icon {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.pain-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pain-solution {
  text-align: center;
  margin-top: 32px;
  font-size: 1.2rem;
  color: var(--green);
}

/* ========== Section Common ========== */
.section-title {
  text-align: center;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.section-desc {
  text-align: center;
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

/* ========== Features ========== */
.features {
  padding: 100px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.feature-card-lg {
  grid-column: span 2;
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 92, 231, 0.1);
  border-radius: 10px;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 4px 0;
}

.feature-list li strong {
  color: var(--accent-light);
}

.feature-visual {
  margin-top: 20px;
  padding: 16px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.lb-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.lb-source {
  background: rgba(253, 121, 168, 0.12);
  color: #fd79a8;
  padding: 6px 12px;
  border-radius: 6px;
}

.lb-arrow {
  color: var(--text-muted);
}

.lb-gateway {
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent-light);
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 600;
}

.lb-arrows {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--green);
  font-size: 0.8rem;
}

/* ========== Architecture ========== */
.architecture {
  padding: 80px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.arch-diagram {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.arch-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.arch-box {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
}

.arch-client {
  background: rgba(253, 121, 168, 0.12);
  color: #fd79a8;
  border: 1px solid rgba(253, 121, 168, 0.2);
}

.arch-gateway {
  background: rgba(108, 92, 231, 0.12);
  border: 2px solid rgba(108, 92, 231, 0.3);
  border-radius: var(--radius);
  padding: 20px 32px;
  max-width: 600px;
  margin: 0 auto;
}

.arch-gw-title {
  display: block;
  font-size: 1.1rem;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.arch-gw-inner {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.arch-gw-module {
  background: rgba(0, 206, 201, 0.1);
  color: var(--green);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
}

.arch-backend {
  background: rgba(254, 202, 87, 0.1);
  color: var(--orange);
  border: 1px solid rgba(254, 202, 87, 0.15);
}

.arch-arrow-down {
  color: var(--text-muted);
  font-size: 1.2rem;
  padding: 12px 0;
}

/* ========== Comparison ========== */
.comparison {
  padding: 100px 0;
}

.compare-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  padding: 14px 18px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}

.compare-table th {
  background: var(--bg-secondary);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
}

.compare-table th.highlight-col {
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent-light);
}

.compare-table td.highlight-col {
  background: rgba(108, 92, 231, 0.06);
  color: var(--text-primary);
  font-weight: 500;
}

.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text-secondary);
}

.compare-table tbody tr:hover {
  background: var(--bg-card);
}

/* ========== Quickstart ========== */
.quickstart {
  padding: 100px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 0 16px;
}

.step-number {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-1);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.step-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.step-connector {
  width: 48px;
  height: 2px;
  background: var(--border);
  align-self: center;
  margin-top: 18px;
}

/* Code Tabs */
.code-tabs {
  max-width: 700px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.code-tab-bar {
  display: flex;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.code-tab {
  padding: 10px 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
  font-family: var(--font-sans);
}

.code-tab:hover {
  color: var(--text-secondary);
}

.code-tab.active {
  color: var(--accent-light);
  border-bottom-color: var(--accent);
}

.code-panel {
  display: none;
  background: var(--bg-primary);
}

.code-panel.active {
  display: block;
}

.code-panel pre {
  padding: 24px;
  overflow-x: auto;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  font-family: var(--font-mono);
}

.code-panel code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.code-keyword { color: #c678dd; }
.code-string { color: #98c379; }
.code-comment { color: #5c6370; font-style: italic; }
.code-number { color: #d19a66; }

/* ========== Screenshots ========== */
.screenshots {
  padding: 100px 0;
}

.screenshot-slider {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.screenshot-track {
  display: flex;
  transition: transform 0.5s ease;
}

.screenshot-item {
  min-width: 100%;
  text-align: center;
}

.screenshot-item img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.screenshot-item p {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.screenshot-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.slider-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.slider-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--text-primary);
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all 0.3s;
}

.slider-dot.active {
  background: var(--accent);
  width: 24px;
  border-radius: 4px;
}

/* ========== Scenarios ========== */
.scenarios {
  padding: 80px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all 0.3s;
}

.scenario-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.scenario-emoji {
  font-size: 2rem;
  margin-bottom: 8px;
}

.scenario-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.scenario-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.scenario-benefit {
  display: inline-block;
  background: rgba(0, 206, 201, 0.1);
  color: var(--green);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ========== Download ========== */
.download {
  padding: 100px 0;
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
}

.download-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.download-icon {
  color: var(--accent-light);
  margin-bottom: 16px;
}

.download-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.download-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.download-alt {
  text-align: center;
  margin-top: 32px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.download-alt code {
  font-size: 0.8rem;
}

/* ========== FAQ ========== */
.faq {
  padding: 100px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  overflow: hidden;
  background: var(--bg-card);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  transition: background 0.2s;
}

.faq-question:hover {
  background: var(--bg-card-hover);
}

.faq-arrow {
  transition: transform 0.3s;
  color: var(--text-muted);
  flex-shrink: 0;
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding: 0 20px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

/* ========== CTA ========== */
.cta {
  padding: 100px 0;
  text-align: center;
}

.cta-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-content p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========== Footer ========== */
.footer {
  padding: 60px 0 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.footer-badges {
  display: flex;
  gap: 8px;
}

.footer-badges img {
  height: 20px;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

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

.footer-links li {
  margin-bottom: 6px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card-lg {
    grid-column: span 1;
  }

  .download-cards {
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .stat-divider {
    display: none;
  }

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    width: 2px;
    height: 24px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .pain-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== Animations ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}