:root {
  --bg: #f6f7fb;
  --bg-elevated: #ffffff;
  --bg-sunken: #eceef5;
  --text: #121626;
  --text-2: #4a5068;
  --text-3: #7a8098;
  --line: rgba(18, 22, 38, 0.09);
  --line-strong: rgba(18, 22, 38, 0.16);
  --accent: #4f74e8;
  --accent-strong: #3557c7;
  --accent-soft: rgba(79, 116, 232, 0.12);
  --navy: #1b2135;
  --glow-a: rgba(110, 150, 255, 0.35);
  --glow-b: rgba(124, 214, 186, 0.28);
  --mark-due: rgba(122, 140, 255, 0.22);
  --mark-repeat: rgba(122, 186, 255, 0.24);
  --mark-estimate: rgba(240, 180, 110, 0.28);
  --mark-project: rgba(96, 200, 160, 0.26);
  --shadow: 0 30px 80px -30px rgba(27, 33, 53, 0.35), 0 8px 24px -12px rgba(27, 33, 53, 0.18);
  --radius: 18px;
  --max: 1120px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0f1a;
    --bg-elevated: #151a2b;
    --bg-sunken: #10141f;
    --text: #eef1fb;
    --text-2: #aab1c9;
    --text-3: #7c84a0;
    --line: rgba(238, 241, 251, 0.08);
    --line-strong: rgba(238, 241, 251, 0.16);
    --accent: #7fa2ff;
    --accent-strong: #a3bcff;
    --accent-soft: rgba(127, 162, 255, 0.14);
    --glow-a: rgba(96, 132, 255, 0.32);
    --glow-b: rgba(94, 200, 168, 0.18);
    --mark-due: rgba(122, 140, 255, 0.3);
    --mark-repeat: rgba(110, 170, 255, 0.28);
    --mark-estimate: rgba(230, 170, 100, 0.3);
    --mark-project: rgba(90, 190, 150, 0.3);
    --shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.7), 0 10px 30px -14px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 3px; }

code, kbd {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
}

code {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  word-break: break-word;
}

.wrap { width: min(var(--max), 100% - 32px); margin-inline: auto; }

/* Navigation */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
}

.nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }

.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 650; letter-spacing: -0.01em; }
.brand:hover { color: var(--text); text-decoration: none; }
.brand img { width: 30px; height: 30px; }

.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: 15px; white-space: nowrap; }
.nav-links a { color: var(--text-2); }
.nav-links a:hover { color: var(--text); text-decoration: none; }

@media (max-width: 720px) {
  .nav-links { gap: 16px; }
  .nav-links .optional { display: none; }
}

@media (max-width: 440px) {
  .nav-links .optional-narrow { display: none; }
}

/* Hero */

.hero { position: relative; overflow: hidden; padding: 96px 0 40px; isolation: isolate; }

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(70px);
}

.hero::before { width: 720px; height: 520px; left: -160px; top: -200px; background: var(--glow-a); }
.hero::after { width: 620px; height: 480px; right: -180px; top: 40px; background: var(--glow-b); }

.grid-lines {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%);
}

.hero-copy { text-align: center; max-width: 820px; margin: 0 auto; }

.hero-icon {
  width: 96px;
  height: 96px;
  margin-bottom: 20px;
  filter: drop-shadow(0 18px 30px rgba(60, 90, 200, 0.35));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-elevated) 70%, transparent);
  color: var(--text-2);
  font-size: 14px;
  margin-bottom: 22px;
}

.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: #5cc79e; box-shadow: 0 0 0 4px rgba(92, 199, 158, 0.18); }

h1 {
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 760;
  margin: 0 0 22px;
}

.gradient-text {
  background: linear-gradient(100deg, var(--accent) 10%, #63c7a6 55%, var(--accent-strong) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--text-2); margin: 0 auto 34px; max-width: 680px; }

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

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: var(--bg-elevated);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.button:hover { text-decoration: none; color: var(--text); transform: translateY(-1px); box-shadow: 0 10px 24px -14px rgba(0, 0, 0, 0.5); }

.button.primary { background: var(--navy); color: #fff; border-color: transparent; }
.button.primary:hover { color: #fff; }

@media (prefers-color-scheme: dark) {
  .button.primary { background: #eef1fb; color: #0c0f1a; }
  .button.primary:hover { color: #0c0f1a; }
}

/* Quick Add demo */

.demo {
  margin: 64px auto 0;
  max-width: 760px;
  background: color-mix(in srgb, var(--bg-elevated) 86%, transparent);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: left;
  overflow: hidden;
}

.demo-input { display: flex; gap: 14px; align-items: flex-start; padding: 22px 24px 8px; }

.demo-circle { flex: none; width: 22px; height: 22px; margin-top: 6px; border-radius: 50%; border: 1.6px solid var(--text-3); }

.demo-text {
  font-size: clamp(18px, 2.6vw, 23px);
  line-height: 1.5;
  min-height: 3em;
  letter-spacing: -0.01em;
}

.demo-text mark { color: inherit; border-radius: 5px; padding: 1px 2px; }
.demo-text mark.due { background: var(--mark-due); }
.demo-text mark.recurrence { background: var(--mark-repeat); }
.demo-text mark.estimate { background: var(--mark-estimate); }
.demo-text mark.project { background: var(--mark-project); }

.caret {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-left: 1px;
  vertical-align: -0.15em;
  background: var(--accent);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.demo-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 6px 24px 0 60px; min-height: 40px; }

.chip {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  font-size: 13px;
  border-radius: 8px;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  animation: pop 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.3) both;
}

.chip span { color: var(--text-3); }

@keyframes pop {
  from { opacity: 0; transform: translateY(6px) scale(0.92); }
  to { opacity: 1; transform: none; }
}

.demo-preview { padding: 8px 24px 18px 60px; font-size: 14px; color: var(--text-3); min-height: 44px; }
.demo-preview strong { color: var(--text-2); font-weight: 500; }

.demo-footer {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  padding: 12px 22px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-3);
}

kbd {
  display: inline-block;
  min-width: 22px;
  padding: 1px 6px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  background: var(--bg-elevated);
  color: var(--text-2);
  text-align: center;
  font-size: 12px;
}

/* Screenshot */

.shot { padding: 40px 0 110px; perspective: 1800px; }

.shot figure {
  margin: 0 auto;
  max-width: 1040px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line-strong);
  transform: rotateX(8deg) scale(0.98);
  transform-origin: center top;
  transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.shot figure.in-view { transform: rotateX(0) scale(1); }

.shot img { display: block; width: 100%; height: auto; }

.shot-caption { text-align: center; font-size: 14px; color: var(--text-3); margin: 16px 0 0; }

/* Sections */

section.band { padding: 96px 0; border-top: 1px solid var(--line); }

.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head.center { margin-inline: auto; text-align: center; }

.kicker { color: var(--accent); font-weight: 650; font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 12px; }

h2 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.08; letter-spacing: -0.025em; margin: 0 0 16px; font-weight: 720; }

h3 { font-size: 19px; letter-spacing: -0.01em; margin: 0 0 8px; }

.section-head p { color: var(--text-2); font-size: 19px; margin: 0; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }

.card {
  position: relative;
  padding: 26px;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  transition: transform 0.2s ease, border-color 0.2s ease;
  overflow: hidden;
}

.card:hover { transform: translateY(-3px); border-color: var(--line-strong); }

.card p { color: var(--text-2); margin: 0; font-size: 16px; }

.card .icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 18px;
}

.card .icon svg { width: 22px; height: 22px; }

/* Plan Today */

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 36px; } }

.plan {
  padding: 28px;
  border-radius: 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
}

.plan-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }
.plan-head strong { font-size: 18px; }
.plan-head span { color: var(--text-3); font-size: 14px; }

.meter { display: flex; height: 14px; border-radius: 999px; overflow: hidden; background: var(--bg-sunken); margin-bottom: 18px; }
.meter i { display: block; height: 100%; }
/* Shares of an 8h day: 1h 15m, 2h, 1h, 2h 15m; the rest is free. */
.meter .obligations { width: 15.625%; background: #e2735f; }
.meter .calendar { width: 25%; background: #7a8cff; }
.meter .buffer { width: 12.5%; background: #b9bfd3; }
.meter .chosen { width: 28.125%; background: #5cc79e; }

.legend { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; font-size: 14px; color: var(--text-2); margin-bottom: 22px; }
.legend span::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 8px; background: var(--c); }

.rows { display: grid; gap: 8px; }

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 12px;
  background: var(--bg-sunken);
  font-size: 15px;
}

.row .tick { width: 18px; height: 18px; border-radius: 5px; border: 1.6px solid var(--text-3); flex: none; display: grid; place-items: center; }
.row .tick.on { background: var(--accent); border-color: var(--accent); }
.row .tick.on::after { content: ""; width: 8px; height: 4px; border: 2px solid #fff; border-top: 0; border-right: 0; transform: rotate(-45deg) translate(1px, -1px); }
.row .fixed { width: 18px; text-align: center; color: var(--text-3); flex: none; }
.row .time { margin-left: auto; color: var(--text-3); font-size: 13px; }

.checklist { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.checklist li { display: flex; gap: 12px; color: var(--text-2); }
.checklist li::before {
  content: "";
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10.5l2.6 2.5L14 7.5' fill='none' stroke='%237fa2ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 16px no-repeat;
}

/* Keyboard */

.keys { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 8px; }

.key {
  display: grid;
  gap: 8px;
  justify-items: center;
  padding: 18px 16px 14px;
  min-width: 112px;
  border-radius: 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--text-2);
}

.key kbd { font-size: 18px; min-width: 44px; padding: 6px 10px; border-radius: 10px; color: var(--text); }

/* Google Calendar */

.privacy-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

@media (max-width: 800px) { .privacy-panel { grid-template-columns: 1fr; } }

.panel { padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-elevated); }
.panel h3 { display: flex; align-items: center; gap: 10px; }
.panel ul { margin: 14px 0 0; padding-left: 20px; color: var(--text-2); }
.panel li { margin: 6px 0; }

.callout {
  margin-top: 18px;
  padding: 20px 24px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--text-2);
  font-size: 16px;
}

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

/* Open source */

.cta {
  position: relative;
  overflow: hidden;
  padding: 64px 40px;
  border-radius: 28px;
  text-align: center;
  color: #eef1fb;
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(110, 150, 255, 0.45), transparent 70%),
    radial-gradient(500px 300px at 90% 100%, rgba(94, 200, 168, 0.35), transparent 70%),
    #141a2e;
}

.cta h2 { color: #fff; }
.cta p { color: #b8c0da; max-width: 620px; margin: 0 auto 28px; font-size: 18px; }
.cta .button { background: #fff; color: #0c0f1a; border-color: transparent; }
.cta .button.ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.3); }

/* Footer */

footer { padding: 48px 0 64px; color: var(--text-3); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; border-top: 1px solid var(--line); padding-top: 28px; }
footer nav { display: flex; gap: 22px; flex-wrap: wrap; margin-left: auto; }
footer a { color: var(--text-2); }

/* Documents (privacy, terms) */

.doc { padding: 72px 0 40px; }
.doc article { max-width: 760px; margin: 0 auto; }
.doc h1 { font-size: clamp(36px, 5vw, 52px); margin-bottom: 10px; }
.doc .meta { color: var(--text-3); margin-bottom: 36px; }
.doc h2 { font-size: 26px; margin: 48px 0 12px; scroll-margin-top: 84px; }
.doc h3 { font-size: 18px; margin: 28px 0 8px; }
.doc p, .doc li { color: var(--text-2); }
.doc li { margin: 6px 0; }
.doc strong { color: var(--text); }

.summary {
  padding: 24px 28px;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  margin-bottom: 12px;
}

.summary ul { margin: 0; padding-left: 20px; }

.toc { columns: 2; column-gap: 32px; padding-left: 20px; margin: 18px 0 0; }
@media (max-width: 600px) { .toc { columns: 1; } }

table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); color: var(--text-2); }
th { color: var(--text); font-weight: 600; }

.table-scroll { overflow-x: auto; }

/* Motion */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .shot figure { transform: none; }
  html { scroll-behavior: auto; }
}