:root {
  --bg-deep: #050810;
  --bg-surface: #0a0f1a;
  --bg-elevated: #111827;
  --coral-bright: #ff4d4d;
  --coral-mid: #e63946;
  --coral-dark: #991b1b;
  --cyan-bright: #00e5cc;
  --cyan-mid: #14b8a6;
  --cyan-glow: rgba(0, 229, 204, .4);
  --text-primary: #f0f4ff;
  --text-secondary: #8892b0;
  --text-muted: #5a6480;
  --border-subtle: rgba(136, 146, 176, .15);
  --border-accent: rgba(255, 77, 77, .3);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--cyan-bright);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--coral-bright);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: box-shadow 0.2s, background 0.2s;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--coral-mid);
  color: #fff;
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
}

.btn-primary:hover {
  background: var(--coral-bright);
  box-shadow: 0 6px 28px rgba(255, 77, 77, 0.4);
  text-decoration: none;
}

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

.btn-ghost:hover {
  border-color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.header-cta .btn {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.hero {
  padding: 100px 0 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(255, 77, 77, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0, 229, 204, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
  background: rgba(230, 57, 70, 0.08);
  font-size: 0.8rem;
  color: var(--coral-bright);
  font-weight: 500;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--coral-bright), var(--cyan-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}

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

.hero-download {
  max-width: 520px;
  margin: 20px auto 0;
  padding: 16px;
  scroll-margin-top: 88px;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: rgba(17, 24, 39, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-download-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.hero-download-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.download-version {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.download-tabs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  border-radius: 12px;
  background: rgba(136, 146, 176, 0.1);
  border: 1px solid var(--border-subtle);
  margin-bottom: 20px;
  position: relative;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.download-tab {
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  min-width: 110px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-family: var(--font-sans);
}

.download-tab:hover {
  color: var(--text-primary);
}

.download-tab.active {
  color: #fff;
  background: var(--coral-mid);
  box-shadow: 0 3px 12px rgba(230, 57, 70, 0.25);
}

.download-platforms {
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

.download-panel {
  display: none;
}

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

.download-platform {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 24px 20px;
  text-align: center;
  width: 84%;
  margin-left: auto;
  margin-right: auto;
}

.download-platform-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.download-platform-title svg {
  width: 20px;
  height: 20px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-sans);
  text-decoration: none;
  margin-bottom: 8px;
}

.download-btn:last-child {
  margin-bottom: 0;
}

.download-btn:hover {
  text-decoration: none;
}

.download-btn.primary {
  background: var(--coral-mid);
  color: #fff;
  box-shadow: 0 3px 12px rgba(230, 57, 70, 0.25);
}

.download-btn.primary:hover {
  background: var(--coral-bright);
  box-shadow: 0 4px 18px rgba(255, 77, 77, 0.35);
}

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

.download-btn.secondary:hover {
  border-color: var(--text-secondary);
}

.download-btn .arch-tag {
  font-size: 0.72rem;
  font-weight: 400;
  opacity: 0.7;
  font-family: var(--font-mono);
}

.download-platform-note {
  margin: 6px 0 0;
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.5;
  text-align: center;
}

.mac-window {
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.mac-titlebar {
  height: 44px;
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-subtle);
  gap: 12px;
}

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

.mac-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.mac-dots .dot-red { background: #ff5f57; }
.mac-dots .dot-yellow { background: #febc2e; }
.mac-dots .dot-green { background: #28c840; }

.mac-title {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-right: 52px;
}

.mac-content {
  position: relative;
  height: 400px;
  overflow: hidden;
}

.step {
  position: absolute;
  inset: 0;
  padding: 40px 48px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s ease;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.step.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.step-indicators {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--text-muted);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
  padding: 0;
}

.step-dot:hover {
  background: var(--text-secondary);
}

.step-dot.active {
  background: var(--coral-bright);
  transform: scale(1.3);
}

.step-labels {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 12px;
}

.step-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color 0.3s;
}

.step-label.active {
  color: var(--text-secondary);
}

.welcome-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--coral-mid), var(--coral-bright));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 24px;
  box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
}

.step-heading {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-subtext {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 28px;
  text-align: center;
  max-width: 360px;
}

.step-btn {
  padding: 10px 32px;
  border-radius: 8px;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.2s;
}

.step-btn-primary {
  background: var(--coral-mid);
  color: #fff;
}

.step-btn-success {
  background: var(--cyan-mid);
  color: #fff;
}

.provider-tabs {
  display: flex;
  background: var(--bg-surface);
  border-radius: 8px;
  padding: 3px;
  margin-bottom: 24px;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: center;
}

.provider-tab {
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.provider-tab.active {
  background: var(--coral-mid);
  color: #fff;
  box-shadow: 0 2px 8px rgba(230, 57, 70, 0.3);
}

.config-form {
  width: 100%;
  max-width: 400px;
}

.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.form-select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-select .chevron {
  color: var(--text-muted);
  font-size: 0.7rem;
}

.ready-check {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--cyan-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(20, 184, 166, 0.3);
}

.ready-check svg {
  width: 28px;
  height: 28px;
  stroke: #fff;
  stroke-width: 2.5;
  fill: none;
}

.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 28px;
}

.feature-pill {
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.2);
  font-size: 0.78rem;
  color: var(--cyan-bright);
  white-space: nowrap;
}

.chat-container {
  width: 100%;
  max-width: 480px;
  text-align: left;
}

.chat-bubble {
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 85%;
}

.chat-user {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  margin-left: auto;
  border-bottom-right-radius: 4px;
  color: var(--text-primary);
}

.chat-ai {
  background: rgba(0, 229, 204, 0.06);
  border: 1px solid rgba(0, 229, 204, 0.12);
  border-bottom-left-radius: 4px;
  color: var(--text-primary);
}

.chat-input-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
}

.chat-input-placeholder {
  flex: 1;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.chat-send-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--coral-mid);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.chat-send-btn svg {
  width: 16px;
  height: 16px;
  fill: #fff;
}

.auto-container {
  width: 100%;
  max-width: 480px;
}

.auto-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--cyan-bright);
  font-weight: 500;
}

.auto-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--cyan-bright);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.mini-browser {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
}

.mini-browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-subtle);
}

.mini-browser-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}

.mini-browser-url {
  flex: 1;
  padding: 4px 10px;
  background: var(--bg-elevated);
  border-radius: 4px;
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.mini-browser-content {
  padding: 16px;
}

.mini-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mini-card {
  background: var(--bg-elevated);
  border-radius: 8px;
  overflow: hidden;
}

.mini-card-img {
  height: 48px;
  background: linear-gradient(135deg, rgba(255, 77, 77, 0.15), rgba(0, 229, 204, 0.1));
}

.mini-card-text {
  padding: 6px 8px;
}

.mini-card-line {
  height: 6px;
  border-radius: 3px;
  background: var(--border-subtle);
  margin-bottom: 4px;
}

.mini-card-line:last-child {
  width: 60%;
}

.auto-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 0.82rem;
}

.auto-progress-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-surface);
  border-radius: 2px;
  overflow: hidden;
}

.auto-progress-fill {
  height: 100%;
  background: var(--cyan-mid);
  border-radius: 2px;
  width: 0%;
  transition: width 0.3s;
}

.auto-progress-text {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.result-container {
  width: 100%;
  max-width: 480px;
}

.result-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.result-icon {
  font-size: 1.2rem;
}

.result-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.result-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.result-table {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
  font-size: 0.78rem;
}

.result-table-head {
  display: grid;
  grid-template-columns: 2fr 1fr 0.8fr 0.8fr;
  gap: 1px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-weight: 600;
}

.result-table-row {
  display: grid;
  grid-template-columns: 2fr 1fr 0.8fr 0.8fr;
  gap: 1px;
  padding: 9px 14px;
  border-bottom: 1px solid rgba(136, 146, 176, 0.06);
  color: var(--text-secondary);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.result-table-row.show {
  opacity: 1;
  transform: translateY(0);
}

.result-table-row:last-child {
  border-bottom: none;
}

.demo-section {
  padding: 100px 0;
}

.demo-section .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.demo-section .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.features {
  padding: 100px 0;
}

.features .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.features .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  border-color: rgba(136, 146, 176, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}

.feature-icon.coral {
  background: rgba(230, 57, 70, 0.12);
}

.feature-icon.cyan {
  background: rgba(20, 184, 166, 0.12);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}

.download {
  padding: 56px 0 80px;
  text-align: center;
}

.download-inner {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 64px 40px;
  position: relative;
  overflow: hidden;
}

.download-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(230, 57, 70, 0.06), transparent 70%);
  pointer-events: none;
}

.download-inner h2 {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
}

.faq {
  padding: 80px 0;
}

.faq .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.faq .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item:hover {
  border-color: rgba(136, 146, 176, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  text-align: left;
}

.faq-question-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.3s;
  margin-left: 16px;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
}

.feedback {
  padding: 80px 0;
}

.feedback-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 56px 48px;
}

.feedback-text {
  flex: 1;
}

.feedback-text .section-desc {
  max-width: 400px;
}

.feedback-qr-group {
  display: flex;
  gap: 24px;
  flex-shrink: 0;
}

.feedback-qr {
  flex-shrink: 0;
  text-align: center;
}

.feedback-qr-hint {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-secondary);
}

.footer-copy a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-copy a:hover {
  color: var(--text-secondary);
}

@keyframes check-pop {
  0% { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes typing-expand {
  to { width: 100%; }
}

@keyframes blink-caret {
  50% { border-color: transparent; }
}

.typing-line {
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--cyan-mid);
  width: 0;
  display: inline-block;
}

.typing-line.animate {
  animation: typing-expand 2s steps(25) forwards, blink-caret 0.6s step-end infinite;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 80px 0 40px; }
  .hero-content { padding: 0 16px; }
  .hero-download { width: 100%; max-width: none; padding: 14px 12px; }
  .hero-download .download-tabs { width: 100%; justify-content: center; }
  .hero-download .download-tab { min-width: 0; flex: 1; max-width: 140px; }
  .hero-download .download-platform { width: 100%; padding: 10px; }
  .hero-download .download-btn { width: 100%; }
  .mac-content { height: 380px; }
  .step { padding: 28px 24px; }
  .mini-cards { grid-template-columns: repeat(2, 1fr); }
  .result-table-head, .result-table-row { grid-template-columns: 2fr 1fr 1fr; }
  .result-table-head > :last-child, .result-table-row > :last-child { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .feedback-inner { flex-direction: column; text-align: center; padding: 40px 24px; gap: 32px; }
  .feedback-text .section-desc { margin-left: auto; margin-right: auto; }
  .feedback-qr-group { flex-direction: column; align-items: center; }
  .download-inner { padding: 48px 24px; }
  .download-tab { min-width: 96px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .provider-tabs { gap: 1px; }
  .provider-tab { padding: 6px 10px; font-size: 0.72rem; }
}

@media (max-width: 480px) {
  .hero-content { padding: 0 12px; }
  .hero-download { margin-top: 14px; padding: 12px 10px; }
  .hero-download .download-tab { max-width: none; font-size: 0.8rem; padding: 7px 10px; }
  .hero-download .download-btn { font-size: 0.78rem; padding: 9px 10px; }
  .mac-content { height: 420px; }
  .step { padding: 20px 16px; }
  .step-heading { font-size: 1.2rem; }
  .chat-bubble { max-width: 95%; font-size: 0.8rem; }
  .mini-cards { grid-template-columns: repeat(2, 1fr); gap: 6px; }
}
