/* ============ TOKENS ============ */
:root {
  --paper: #F3F2EE;
  --paper-raised: #FFFFFF;
  --ink: #15161C;
  --ink-soft: #4A4B54;
  --line: #DEDCD4;
  --indigo: #4C6EF5;
  --indigo-deep: #3D5BDB;
  --amber: #E2A63B;
  --pill-dark: #1C1C1E;

  --display: "Space Grotesk", "Segoe UI", sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --max-w: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
  border-radius: 4px;
}

code {
  font-family: var(--mono);
  background: rgba(21, 22, 28, 0.06);
  padding: 0.1em 0.4em;
  border-radius: 5px;
  font-size: 0.92em;
}

/* ============ LAYOUT SHELLS ============ */

.topbar {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 22px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--indigo);
  position: relative;
  display: inline-block;
  flex: none;
}
.brand-mark::before {
  content: "";
  position: absolute;
  left: 4px; right: 4px; top: 6px;
  height: 3px;
  background: #fff;
  border-radius: 2px;
}
.brand-mark::after {
  content: "";
  position: absolute;
  left: 8.5px; top: 12px;
  width: 3px; height: 3px;
  background: #fff;
  border-radius: 50%;
}

.topnav {
  display: flex;
  gap: 28px;
  font-size: 14.5px;
}

.topnav a {
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.topnav a:hover { color: var(--ink); }

.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 84px 24px;
}

.section-alt {
  background: var(--paper-raised);
  max-width: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-alt > * {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-family: var(--display);
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 44px;
  max-width: 22ch;
}

/* ============ HERO ============ */

.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--indigo-deep);
  margin: 0 0 18px;
}

.hero-title {
  font-family: var(--display);
  font-size: clamp(38px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 20px;
}

.hero-sub {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--body);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.12s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--indigo);
  color: #fff;
}
.btn-primary:hover {
  background: var(--indigo-deep);
  transform: translateY(-1px);
}

.btn-text {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.btn-text:hover { color: var(--ink); border-color: var(--ink-soft); }

/* ============ HERO DEMO (signature element) ============ */

.hero-demo {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.browser {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px -20px rgba(21, 22, 28, 0.25);
}

.browser-tabs {
  display: flex;
  gap: 4px;
  padding: 10px 10px 0;
  background: #EAE8E1;
}

.btab {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 10px;
  border-radius: 8px 8px 0 0;
  background: #DEDBD1;
  color: var(--ink-soft);
  min-width: 26px;
}
.btab-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.4;
  flex: none;
}
.btab-active {
  background: var(--paper-raised);
  color: var(--ink);
  flex: 1;
  max-width: 190px;
}
.btab-active .btab-dot {
  background: var(--indigo);
  opacity: 1;
}
.btab-label {
  font-family: var(--mono);
  font-size: 11.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  background: var(--paper-raised);
  border-bottom: 1px solid var(--line);
}
.bdot { width: 9px; height: 9px; border-radius: 50%; opacity: 0.7; }
.bdot-r { background: #E5645A; }
.bdot-y { background: #E8B84B; }
.bdot-g { background: #67B26E; }
.browser-url {
  margin-left: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  background: var(--paper);
  border-radius: 999px;
  padding: 4px 12px;
  flex: 1;
}

.browser-viewport {
  position: relative;
  height: 240px;
  background:
    radial-gradient(circle at 15% 15%, rgba(76,110,245,0.06), transparent 45%),
    var(--paper);
  padding: 16px;
  overflow: hidden;
}

.pill {
  position: absolute;
  background: var(--pill-dark);
  color: #fff;
  border-radius: 999px;
  font-size: 11.5px;
  padding: 6px 11px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.18);
}
.pill-timer {
  top: 14px; left: 14px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.pill-reason {
  top: 14px; right: 14px;
  max-width: 74%;
  cursor: default;
}
.pill-reason span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pill-edit-icon { opacity: 0.55; font-size: 10px; flex: none; }

.viewport-lines {
  position: absolute;
  left: 16px; right: 16px; bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vline {
  height: 8px;
  border-radius: 4px;
  background: rgba(21,22,28,0.07);
  width: 60%;
}
.vline-wide { width: 92%; }
.vline-mid { width: 40%; }

.demo-caption {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  text-align: center;
  margin: 0;
}

/* ============ FEATURES ============ */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.feature {
  background: var(--paper-raised);
  padding: 28px 22px 30px;
}

.tab-chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--indigo-deep);
  background: rgba(76,110,245,0.1);
  border-radius: 6px 6px 0 0;
  padding: 4px 9px 5px;
  margin-bottom: 16px;
}

.feature h3 {
  font-family: var(--display);
  font-size: 17px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.feature p {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 0;
}

/* ============ HOW IT WORKS ============ */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: var(--line);
}

.step {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

.step-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--indigo);
  background: var(--paper-raised);
  width: fit-content;
  padding-right: 10px;
}

.step h3 {
  font-family: var(--display);
  font-size: 18px;
  margin: 0 0 6px;
}
.step p {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 0;
}

/* ============ DOWNLOAD ============ */

.get-card {
  background: var(--ink);
  color: #EFEFEF;
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

.get-card .section-title {
  color: #fff;
  max-width: none;
}

.get-copy p {
  color: #C7C7CE;
  font-size: 15.5px;
  max-width: 46ch;
}
.get-copy p a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(226,166,59,0.4);
}
.get-copy p a:hover { border-color: var(--amber); }

.get-copy code {
  background: rgba(255,255,255,0.1);
  color: #EFEFEF;
}

.get-note {
  font-family: var(--mono);
  font-size: 12.5px;
  color: #9C9CA6 !important;
  margin-top: 14px !important;
}

.install-steps {
  margin: 0;
  padding-left: 22px;
  font-size: 14.5px;
  color: #D8D8DE;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.install-steps code {
  background: rgba(255,255,255,0.1);
  color: #EFEFEF;
}

/* ============ FOOTER ============ */

.footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 30px 24px 50px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
}
.footer-links a {
  text-decoration: none;
  color: var(--ink-soft);
}
.footer-links a:hover { color: var(--ink); }
.footer-dot { opacity: 0.5; }

/* ============ RESPONSIVE ============ */

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; padding-top: 30px; }
  .topnav { gap: 18px; font-size: 13.5px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .steps::before { display: none; }
  .get-card { grid-template-columns: 1fr; padding: 32px 24px; }
}

@media (max-width: 520px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 14px; }
  .feature-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 20px; }
}