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

:root {
  --bg: #141110;
  --bg-alt: #1c1815;
  --bg-surface: #241f1b;
  --text: #ece4db;
  --text-muted: #9e9188;
  --text-dim: #6b6058;
  --accent: #d97757;
  --accent-hover: #e8956f;
  --accent-glow: rgba(217, 119, 87, 0.15);
  --accent-glow-strong: rgba(217, 119, 87, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(217, 119, 87, 0.2);
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Grain overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
  z-index: 9999;
}

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

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  background: rgba(20, 17, 16, 0.8);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-logo img {
  height: 24px;
  width: 24px;
}

.header-logo span {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-nav a {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

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

.version-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  background: rgba(217, 119, 87, 0.1);
  border: 1px solid rgba(217, 119, 87, 0.15);
  padding: 3px 8px;
  border-radius: 6px;
}

.gh-link {
  display: flex;
  align-items: center;
  color: var(--text-muted) !important;
}

.gh-link:hover { color: var(--text) !important; }

/* ─── Hero ─── */
.hero {
  padding: 140px 24px 80px;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center top, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1.05;
  font-weight: 400;
  color: var(--text);
  max-width: 700px;
  margin: 0 auto 24px;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s 0.2s forwards;
}

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

.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.65;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.8s 0.35s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 72px;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.8s 0.45s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.25s;
  font-family: var(--font-sans);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(217, 119, 87, 0.3);
}

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

.btn-secondary:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-1px);
}

/* ─── App Mockup ─── */
.hero-mockup-wrap {
  position: relative;
  max-width: 380px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(32px) scale(0.97);
  animation: fadeUpScale 1s 0.6s forwards;
}

.mockup-desktop {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(135deg, #2d6a4f 0%, #1a4731 25%, #264653 50%, #2a6f97 75%, #3a86b0 100%);
  padding: 36px 40px 40px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 120px var(--accent-glow);
}

.mockup-desktop::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 21px;
  padding: 1px;
  background: linear-gradient(160deg, rgba(255,255,255,0.15), transparent 50%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
}

/* Menu bar */
.mockup-menubar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 28px;
  background: rgba(0,0,0,0.25);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 12px;
  gap: 12px;
  font-size: 11px;
  color: rgba(255,255,255,0.85);
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 500;
}

/* Popover */
.mockup-popover {
  position: relative;
  background: rgba(40, 36, 33, 0.78);
  backdrop-filter: blur(40px) saturate(1.6);
  -webkit-backdrop-filter: blur(40px) saturate(1.6);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 12px 48px rgba(0,0,0,0.4), 0 0 0 0.5px rgba(255,255,255,0.05);
  padding: 18px 20px;
  color: #e8e0d8;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  font-size: 13px;
}

.pop-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.pop-header img { width: 22px; height: 22px; }

.pop-header .pop-title {
  font-weight: 600;
  font-size: 15px;
}

.pop-header .pop-badge {
  font-size: 10px;
  font-weight: 600;
  color: #a3be8c;
  background: rgba(163,190,140,0.18);
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

.pop-header .pop-settings {
  margin-left: auto;
  color: rgba(255,255,255,0.35);
}

.pop-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 12px 0;
}

.pop-section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
  font-weight: 500;
}

.pop-section-label > svg { color: #d97757; opacity: 0.85; }

.pop-section-label .pop-timer {
  margin-left: auto;
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  display: flex;
  align-items: center;
  gap: 3px;
}

.pop-progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.pop-progress {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}

.pop-progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s;
}

.pop-progress-fill.green {
  background: linear-gradient(90deg, #4caf50, #66bb6a);
}

.pop-percent {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  min-width: 36px;
  text-align: right;
}

.pop-stats {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pop-stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
}

.pop-stat-row .label { color: rgba(255,255,255,0.55); }
.pop-stat-row .value { color: rgba(255,255,255,0.85); font-weight: 500; font-variant-numeric: tabular-nums; }

.pop-chart {
  position: relative;
  height: 110px;
  margin-top: 4px;
}

.pop-chart svg {
  width: 100%;
  height: 100%;
}

.pop-chart-labels-y {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 9px;
  color: rgba(255,255,255,0.2);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.pop-chart-labels-x {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: rgba(255,255,255,0.2);
  margin-top: 2px;
  padding-right: 30px;
}

.pop-range-tabs {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.pop-range-tab {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 4px;
  color: rgba(255,255,255,0.35);
  font-weight: 500;
}

.pop-range-tab.active {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.75);
}

.pop-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  margin-top: 2px;
}

.pop-footer svg { opacity: 0.3; }

/* ─── Features ─── */
.features {
  padding: 100px 24px;
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  z-index: -1;
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 400;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-header p {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 440px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.feature-card {
  padding: 32px;
  border-radius: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 18px;
}

.feature-card h3 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-card p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

.icon-ring { background: rgba(217,119,87,0.1); color: #d97757; }
.icon-chart { background: rgba(163,190,140,0.1); color: #a3be8c; }
.icon-bolt { background: rgba(235,203,139,0.1); color: #ebcb8b; }
.icon-bell { background: rgba(180,142,173,0.1); color: #b48ead; }
.icon-key { background: rgba(136,192,208,0.1); color: #88c0d0; }
.icon-stats { background: rgba(208,135,112,0.1); color: #d08770; }

/* ─── Install ─── */
.install {
  padding: 100px 24px;
}

.install-inner {
  max-width: 640px;
  margin: 0 auto;
}

.install-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.install-box-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.install-box-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-dim);
  opacity: 0.4;
}

.install-box-header .dot:first-child { background: #ec6a5e; opacity: 0.8; }
.install-box-header .dot:nth-child(2) { background: #f4bf4f; opacity: 0.8; }
.install-box-header .dot:nth-child(3) { background: #61c554; opacity: 0.8; }

.install-steps {
  padding: 28px 28px 20px;
}

.install-step {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.install-step:last-child { margin-bottom: 0; }

.step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(217,119,87,0.1);
  border: 1px solid rgba(217,119,87,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-content h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 10px;
}

.code-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-hover);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.code-block code .prompt {
  color: var(--text-dim);
  user-select: none;
}

.copy-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.copy-btn:hover { background: rgba(255,255,255,0.06); color: var(--text-muted); }
.copy-btn.copied { color: #a3be8c; }

.install-note {
  padding: 16px 28px 24px;
  border-top: 1px solid var(--border);
}

.install-note p {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.55;
}

.install-note a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ─── Footer ─── */
.footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 12px;
  color: var(--text-dim);
}

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

.footer-dot {
  color: var(--text-dim);
  opacity: 0.3;
  margin: 0 4px;
  font-size: 10px;
}

.footer-copy {
  font-size: 11px;
  color: var(--text-dim);
  opacity: 0.6;
}

/* ─── Animations ─── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUpScale {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s, transform 0.7s;
}

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

/* Stagger children */
.features-grid .feature-card {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s, transform 0.6s, border-color 0.3s, box-shadow 0.3s;
}

.features-grid .feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.features-grid .feature-card:nth-child(2) { transition-delay: 0.08s; }
.features-grid .feature-card:nth-child(3) { transition-delay: 0.16s; }
.features-grid .feature-card:nth-child(4) { transition-delay: 0.24s; }
.features-grid .feature-card:nth-child(5) { transition-delay: 0.32s; }
.features-grid .feature-card:nth-child(6) { transition-delay: 0.40s; }

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .hero { padding: 120px 20px 60px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-mockup-wrap { max-width: 320px; }
  .features { padding: 72px 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .install { padding: 72px 20px; }
  .header-nav a.hide-mobile { display: none; }
  .version-badge { display: none; }
}