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

:root {
  --bg: #0e0f10;
  --bg-elevated: #161719;
  --bg-card: #1a1b1d;
  --bg-hover: #222325;
  --text: #ecece6;
  --text-dim: #9a9a94;
  --text-dimmer: #6b6b66;
  --accent: #ff4848;
  --accent-dark: #b91c1c;
  --accent-glow: rgba(255, 72, 72, 0.12);
  --border: #2a2b2d;
  --border-light: #333436;
  --radius: 10px;
  --radius-lg: 16px;
  --font-serif: 'Georgia', 'Times New Roman', 'Noto Serif', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Cascadia Code', monospace;
  --container: 1200px;
  --header-h: 64px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

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

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== TYPOGRAPHY ===== */
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 48px;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(14, 15, 16, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.logo-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Language switcher */
.header-inner { justify-content: flex-start; }

.lang-switch {
  position: relative;
  margin-left: auto;
  margin-right: 12px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.lang-toggle:hover {
  color: var(--text);
  border-color: var(--border-light);
}

.lang-caret { transition: transform 0.2s; }

.lang-switch.open .lang-caret { transform: rotate(180deg); }
.lang-switch.open .lang-toggle { color: var(--text); border-color: var(--accent); }

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 140px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  z-index: 120;
}

.lang-menu.open { display: flex; }

.lang-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  font-size: 0.88rem;
  color: var(--text-dim);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.lang-option:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.lang-option[aria-checked="true"] {
  color: var(--accent);
  font-weight: 500;
  background: var(--accent-glow);
}

.main-nav {
  display: flex;
  align-items: center;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  padding: 8px 14px;
  font-size: 0.9rem;
  color: var(--text-dim);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.main-nav a:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.nav-cta {
  background: var(--accent-glow) !important;
  color: var(--accent) !important;
  font-weight: 500;
}

.nav-cta:hover {
  background: rgba(255, 72, 72, 0.2) !important;
}

/* Nav toggle (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-sans);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 2px 12px rgba(255, 72, 72, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 4px 20px rgba(255, 72, 72, 0.35);
  transform: translateY(-1px);
}

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

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

/* ===== HERO ===== */
.hero {
  padding-top: calc(var(--header-h) + 64px);
  padding-bottom: 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text {
  max-width: 540px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.badge {
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 100px;
  background: var(--bg-card);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.badge--accent {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: rgba(255, 72, 72, 0.3);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

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

.hero-sub {
  color: var(--text-dim);
  font-size: 1.15rem;
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== macOS WINDOW MOCKUP ===== */
.hero-mockup {
  perspective: 1200px;
}

.mac-window {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow:
    0 4px 24px rgba(0,0,0,0.4),
    0 0 0 1px rgba(255,255,255,0.03) inset;
}

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

.mac-dots {
  display: flex;
  gap: 7px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

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

.mac-title {
  flex: 1;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 500;
}

.mac-titlebar-spacer {
  width: 52px;
}

.mac-body {
  display: flex;
  min-height: 380px;
}

/* Mock Sidebar */
.mock-sidebar {
  width: 140px;
  border-right: 1px solid var(--border);
  padding: 12px 0;
  flex-shrink: 0;
}

.mock-tools {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}

.mock-tool {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 0.78rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
}

.mock-tool:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.mock-tool.active {
  background: var(--accent-glow);
  color: var(--accent);
}

/* Mock Main Content */
.mock-main {
  flex: 1;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
}

.mock-tabs {
  display: flex;
  gap: 4px;
  padding: 3px;
  background: var(--bg);
  border-radius: 8px;
  width: fit-content;
}

.mock-tab {
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 500;
  border: none;
  background: none;
  color: var(--text-dim);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-sans);
  white-space: nowrap;
}

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

.mock-tab.active {
  background: var(--bg-card);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Mock Scenarios */
.mock-scenario {
  display: none;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.mock-scenario.active {
  display: flex;
  animation: fadeSlideIn 0.35s ease;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* File cards */
.mock-file-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.mock-file-card.compact {
  padding: 8px 12px;
}

.mock-file-card.compact .file-icon svg {
  width: 20px;
  height: 20px;
}

.mock-file-card.compact .file-name {
  font-size: 0.78rem;
}

.mock-file-card.compact .file-meta {
  font-size: 0.7rem;
}

.file-icon {
  flex-shrink: 0;
  color: var(--text-dim);
}

.file-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.file-name {
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.mock-file-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Mock Controls */
.mock-controls {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.mock-segment {
  display: flex;
  background: var(--bg);
  border-radius: 7px;
  padding: 2px;
  border: 1px solid var(--border);
}

.seg-btn {
  padding: 5px 12px;
  font-size: 0.72rem;
  border: none;
  background: none;
  color: var(--text-dim);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.seg-btn:hover { color: var(--text); }
.seg-btn.active {
  background: var(--bg-card);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.mock-target {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mock-target label {
  font-size: 0.75rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.target-input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 2px;
}

.target-input-wrap input {
  width: 40px;
  padding: 5px 8px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-align: right;
  outline: none;
}

.target-unit {
  padding: 5px 10px 5px 4px;
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* Mock Steps */
.mock-steps {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 0;
}

.mock-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-dim);
  padding: 4px 0;
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--accent-glow);
}

.mock-step .step-time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dimmer);
}

/* Mock Result */
.mock-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 72, 72, 0.06);
  border: 1px solid rgba(255, 72, 72, 0.15);
  border-radius: var(--radius);
  gap: 12px;
  flex-wrap: wrap;
}

.result-name {
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-stats {
  display: flex;
  align-items: center;
  gap: 12px;
}

.result-size {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

.result-check {
  font-size: 0.75rem;
  color: #28c840;
  font-weight: 500;
}

/* ===== FEATURES GRID ===== */
.features {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s, transform 0.2s;
}

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

.feature-icon {
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.55;
}

/* ===== TARGET SIZE ===== */
.target-size {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.ts-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.ts-step {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.ts-step-num {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50%;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 72, 72, 0.2);
}

.ts-step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.ts-step p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.ts-note {
  padding: 20px 24px;
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.ts-note p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.65;
}

.ts-note strong {
  color: var(--text);
}

/* ===== USE CASES ===== */
.use-cases {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

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

.uc-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s;
}

.uc-card:hover {
  border-color: var(--border-light);
}

.uc-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--accent);
}

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

/* ===== CLI ===== */
.cli {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.cli-examples {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.terminal {
  background: #0a0b0c;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.terminal-dots {
  display: flex;
  gap: 7px;
}

.terminal-dots .dot {
  width: 10px;
  height: 10px;
}

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-dimmer);
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  overflow-x: auto;
}

.term-line {
  white-space: nowrap;
}

.prompt {
  color: var(--accent);
  margin-right: 8px;
  user-select: none;
}

.term-out {
  color: var(--text-dim);
}

.term-ok {
  color: #28c840;
}

.dl-terminal {
  margin-top: 16px;
}

/* ===== PRIVACY ===== */
.privacy {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.privacy-item {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.privacy-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.privacy-item p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

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

.faq-list {
  max-width: 760px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  padding: 20px 0;
  font-size: 1.05rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  transition: color 0.2s;
}

.faq-item summary::-webkit-details-widget {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--text-dim);
  transition: transform 0.2s;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  color: var(--accent);
}

.faq-item p {
  padding: 0 0 20px;
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.65;
}

.faq-item p code {
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88rem;
  font-family: var(--font-mono);
}

.faq-item p a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== DOWNLOAD ===== */
.download {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.dl-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.dl-info h3, .dl-roadmap h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.dl-meta {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 18px;
}

.dl-btn {
  width: 100%;
  margin-bottom: 24px;
}

.dl-notes {
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.dl-notes h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.dl-notes ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

.dl-notes li {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.55;
  padding-left: 18px;
  position: relative;
}

.dl-notes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-dimmer);
}

.dl-notes strong { color: var(--text); }
.dl-notes em { color: var(--text); font-style: normal; }

.dl-info p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 4px;
}

.roadmap-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.roadmap-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.roadmap-tag {
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 100px;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(255, 72, 72, 0.2);
  white-space: nowrap;
  flex-shrink: 0;
}

.roadmap-tag--planned {
  background: var(--bg-hover);
  color: var(--text-dim);
  border-color: var(--border);
}

.roadmap-label {
  padding-top: 2px;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-dimmer);
  margin-top: 4px;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dimmer);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-text {
    max-width: 100%;
    text-align: center;
  }

  .hero-sub { max-width: 100%; }

  .badge-row { justify-content: center; }
  .hero-actions { justify-content: center; }

  .hero-mockup {
    max-width: 640px;
    margin: 0 auto;
  }

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

  .ts-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .cli-examples {
    grid-template-columns: 1fr;
  }

  .dl-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root { --header-h: 56px; }

  .nav-toggle { display: flex; }

  .main-nav ul {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    flex-direction: column;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
    z-index: 99;
  }

  .main-nav ul.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .main-nav a {
    display: block;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .hero {
    padding-top: calc(var(--header-h) + 40px);
    padding-bottom: 60px;
    min-height: auto;
  }

  .hero h1 { font-size: clamp(2rem, 7vw, 2.8rem); }

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

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

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

  .mock-sidebar {
    display: none;
  }

  .mac-body {
    min-height: 320px;
  }

  .mock-tabs {
    width: 100%;
    overflow-x: auto;
  }

  .mock-controls {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .mock-tab {
    font-size: 0.7rem;
    padding: 5px 10px;
  }

  .dl-card { padding: 20px; }
}