/* Buildsay website: the app's "Isometric – Slate and mint" look. */
:root {
  --ground: #E6ECE8;
  --card: #F6F9F7;
  --ink: #121816;
  --soft: #53625B;
  --line: #BFCBC4;
  --accent: #0B7049;
  --accent-fill: #0B7049;
  --mint: #3DDC97;
  --shadow: #121816;
  --grid: rgba(18, 24, 22, 0.07);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #121816;
    --card: #19211E;
    --ink: #E8F2EC;
    --soft: #8EA39A;
    --line: #2C3833;
    --accent: #3DDC97;
    --shadow: #000000;
    --grid: rgba(220, 240, 230, 0.06);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--ground);
  background-image:
    linear-gradient(30deg, var(--grid) 1px, transparent 1px),
    linear-gradient(150deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 16px;
  color: var(--ink);
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 18px;
  line-height: 1.55;
}
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

/* Header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 40px; height: 40px; }
.brand span { font-weight: 800; font-size: 26px; letter-spacing: -0.8px; }
.logo-dark { display: none; }
@media (prefers-color-scheme: dark) { .logo-light { display: none; } .logo-dark { display: block; } }
.nav { display: none; gap: 24px; font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a:hover { color: var(--accent); }
@media (min-width: 860px) { .nav { display: flex; } }

/* Buttons and cards: an ink outline and a solid offset shadow */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px;
  background: var(--accent-fill); color: #FFFFFF;
  border: 1.5px solid var(--ink); box-shadow: 4px 4px 0 var(--shadow);
  font-weight: 700; font-size: 18px; text-decoration: none;
  transition: transform 0.08s, box-shadow 0.08s;
}
.button:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--shadow); }
.button:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--shadow); }
.button.quiet { background: var(--card); color: var(--ink); }
.card { background: var(--card); border: 1.5px solid var(--ink); box-shadow: 4px 4px 0 var(--shadow); padding: 20px; }

.label { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--soft); margin: 0 0 8px; }
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(40px, 8vw, 72px); font-weight: 800; }
h2 { font-size: clamp(30px, 5vw, 44px); font-weight: 800; }
h3 { font-size: 21px; font-weight: 700; }
p { margin: 0; }
.soft { color: var(--soft); }

/* Hero */
.hero { display: grid; gap: 32px; align-items: center; padding-block: 24px 56px; }
@media (min-width: 860px) { .hero { grid-template-columns: 1.15fr 0.85fr; padding-block: 48px 80px; } }
.hero > div { min-width: 0; }
.hero p.lead { font-size: 21px; margin-top: 20px; max-width: 34em; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 28px; }
/* The phone: the app's Record screen at real iPhone size (390 × 844), scaled down to fit. */
.phone {
  --scale: 0.82;
  width: calc(390px * var(--scale) + 20px); height: calc(844px * var(--scale) + 20px);
  margin: 0 auto; border: 10px solid #0B0F0E; border-radius: 48px;
  box-shadow: 8px 8px 0 var(--shadow); overflow: hidden; position: relative;
  background: var(--ground);
}
@media (max-width: 380px) { .phone { --scale: 0.74; } }
.phone .screen {
  position: absolute; top: 0; left: 0; width: 390px; height: 844px;
  transform: scale(var(--scale)); transform-origin: top left;
  display: flex; flex-direction: column; padding: 59px 24px 0;
  background-color: var(--ground);
  background-image: linear-gradient(30deg, var(--grid) 1px, transparent 1px), linear-gradient(150deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 16px;
}
.app-top { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.app-brand { display: flex; align-items: center; gap: 8px; }
.app-brand img { width: 45px; height: 45px; }
.app-brand span { font-weight: 800; font-size: 33px; line-height: 40px; letter-spacing: -0.8px; }
.app-date, .app-active { font-size: 15px; letter-spacing: 1.2px; color: var(--soft); font-weight: 500; }
.app-active { margin-top: 4px; }
.app-middle { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.app-middle canvas { width: 390px; height: 390px; margin: 0 -24px; }
.app-tap { font-size: 20px; line-height: 26px; letter-spacing: 2.5px; color: var(--soft); font-weight: 500; min-height: 96px; }
.app-buttons { display: flex; justify-content: center; gap: 16px; min-height: 52px; padding-right: 4px; }
.app-button {
  display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 24px;
  background: var(--card); border: 1.5px solid var(--ink); box-shadow: 4px 4px 0 var(--shadow);
  font-size: 15px; color: var(--soft); white-space: nowrap;
}
.app-button b { color: var(--ink); font-weight: 700; }
.app-button:last-child { flex-shrink: 1; min-width: 0; }
.app-button:last-child b { overflow: hidden; text-overflow: ellipsis; }
.app-tabs { display: flex; padding: 8px 0 26px; margin: 0 -24px; }
.app-tabs span { flex: 1; text-align: center; font-size: 15px; font-weight: 700; letter-spacing: 1px; color: var(--ink); min-height: 44px; display: flex; align-items: center; justify-content: center; }
.app-tabs .on { color: var(--accent); }

section { padding-block: 56px; }
.grid { display: grid; gap: 24px; margin-top: 32px; }
@media (min-width: 720px) { .grid.two { grid-template-columns: repeat(2, 1fr); } .grid.three { grid-template-columns: repeat(3, 1fr); } }
.step .num { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 14px; color: var(--accent); font-weight: 700; }
.step h3 { margin: 8px 0; }
.said { font-style: italic; border-left: 3px solid var(--mint); padding-left: 12px; margin-top: 12px; }

.chips { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.chip { background: var(--card); border: 1.5px solid var(--ink); padding: 8px 14px; font-weight: 600; }

.faq details { border-bottom: 1.5px solid var(--line); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 19px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: 'JetBrains Mono', monospace; color: var(--accent); }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin-top: 10px; color: var(--soft); }

.cta { text-align: center; }
.cta p { margin: 16px auto 28px; max-width: 32em; }

footer { border-top: 1.5px solid var(--line); padding-block: 32px 48px; font-size: 15px; color: var(--soft); }
footer .row { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: center; }
footer a { color: var(--soft); }

/* A plain page of reading (the privacy policy) */
.prose { max-width: 720px; padding-block: 24px 64px; }
.prose h1 { font-size: clamp(34px, 6vw, 52px); margin-bottom: 8px; }
.prose h2 { font-size: 24px; margin: 32px 0 10px; }
.prose ul { padding-left: 20px; }
.prose li { margin: 6px 0; }

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

/* Timesheet calculator */
.calc-rows { display: grid; gap: 10px; margin-top: 16px; }
.calc-row { display: grid; grid-template-columns: 4.5em repeat(3, minmax(0, 1fr)) 5em; gap: 8px; align-items: center; }
.calc-row.head { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 1px; color: var(--soft); text-transform: uppercase; }
.calc input { width: 100%; min-height: 44px; padding: 0 10px; font: inherit; font-size: 16px; color: var(--ink); background: var(--ground); border: 1.5px solid var(--ink); }
.calc .hours { font-family: 'JetBrains Mono', monospace; text-align: right; }
.calc-foot { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: end; margin-top: 20px; }
.calc-foot label { display: grid; gap: 6px; font-size: 15px; color: var(--soft); max-width: 220px; }
.calc-total { font-size: 28px; font-weight: 800; }
@media (max-width: 520px) { .calc-row { grid-template-columns: 3.2em repeat(3, minmax(0, 1fr)) 3.6em; gap: 4px; } .calc input { padding: 0 4px; font-size: 15px; } }
[dir="rtl"] .said { border-left: 0; border-right: 3px solid var(--mint); padding-left: 0; padding-right: 12px; }