/* Colours follow the app's own palette (FontWriting/src/renderer/src/styles.css). */
:root {
  --bg: #f6f5f2;
  --panel: #ffffff;
  --band: #efede7;
  --ink: #1d1d1f;
  --muted: #6b6b70;
  --line: #e2e0da;
  --accent: #2f6fe4;
  --accent-ink: #ffffff;
  --guide: #8cc8ee;
  --guide-strong: #2d9be0;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 12px 40px rgba(0, 0, 0, 0.12);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #19191b;
    --panel: #232326;
    --band: #1f1f22;
    --ink: #ececef;
    --muted: #9a9aa2;
    --line: #36363b;
    --accent: #5b8ff0;
    --guide: #2f5d7c;
    --guide-strong: #4aa8e8;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 48px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

/* Architect: a handwriting font made with FontWriter. Characters it lacks fall back to the system font. */
@font-face {
  font-family: 'Architect';
  src: url('fonts/Architect.ttf') format('truetype');
  font-display: swap;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--accent);
}
h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}
h1,
h2 {
  font-family: 'Architect', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: 0;
}
h1 {
  font-size: clamp(2.6rem, 6.4vw, 4.6rem);
}
h2 {
  font-size: clamp(2rem, 4.2vw, 3rem);
}
.made-with {
  font-size: 14px;
  color: var(--muted);
  margin-top: 28px;
}
h3 {
  font-size: 1.3rem;
}
p {
  margin: 0 0 1em;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 88px 16px;
}
@media (min-width: 700px) {
  .wrap {
    padding: 104px 32px;
  }
}
.band {
  background: var(--band);
  border-block: 1px solid var(--line);
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}
.brand img {
  border-radius: 7px;
}
.topnav {
  display: none;
  gap: 24px;
  margin-left: auto;
}
.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
}
.topnav a:hover {
  color: var(--ink);
}
@media (min-width: 700px) {
  .topbar {
    padding: 10px 32px;
  }
  .topnav {
    display: flex;
  }
}

/* Hero */
.hero {
  max-width: 1240px;
  margin: 0 auto;
  padding: 72px 16px 88px;
  text-align: center;
  /* The printed template's cyan guide lines, faintly, behind the headline. */
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0 55px,
    color-mix(in srgb, var(--guide) 45%, transparent) 55px 56px
  );
  background-size: 100% 336px;
  background-repeat: no-repeat;
  background-position: center 40px;
}
@media (min-width: 700px) {
  .hero {
    padding: 96px 32px 112px;
  }
}
.hero-copy {
  max-width: 760px;
  margin: 0 auto 56px;
}
.hero-icon {
  margin: 0 auto 24px;
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 32px;
}
.cta .fine {
  margin-top: 12px;
}
.cta.center {
  text-align: center;
  margin-top: 56px;
}
.fine {
  color: var(--muted);
  font-size: 14px;
}
.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 17px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.button.primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 35%, transparent);
}
.button.primary:hover {
  transform: translateY(-1px);
}
.button:focus-visible,
.shot a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  .button {
    transition: none;
  }
  .button.primary:hover {
    transform: none;
  }
}

/* Screenshots */
.shot {
  margin: 0;
}
.shot a {
  display: block;
  border-radius: 12px;
  cursor: zoom-in;
}
.shot img {
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.hero-shot {
  max-width: 1120px;
  margin: 0 auto;
}
.shot figcaption {
  margin-top: 16px;
  color: var(--muted);
  font-size: 15px;
}
.shot figcaption strong {
  color: var(--ink);
}
.shot.wide {
  max-width: 860px;
  margin: 40px auto;
}

/* Two columns that stack on phones */
.two-col {
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 900px) {
  .two-col {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
  }
}
.ways {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 18px;
}
.ways li {
  padding-left: 18px;
  border-left: 3px solid var(--guide-strong);
}

.section-lede {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 760px;
}

/* True height comparison */
.compare {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}
@media (min-width: 700px) {
  .compare {
    grid-template-columns: 1fr 1fr;
  }
}
.compare figure {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 20px 16px;
}
.compare svg {
  width: 100%;
  height: auto;
  display: block;
}
.compare figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
}
.compare .guides line {
  stroke: var(--guide);
  stroke-width: 1.5;
}
.compare .guides .dash {
  stroke-dasharray: 6 5;
}
.compare .guides .base {
  stroke: var(--guide-strong);
  stroke-width: 2;
}
.compare .ink path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 9;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.legend {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 15px;
}
.swatch {
  flex: none;
  width: 28px;
  height: 0;
  border-top: 2px solid var(--guide-strong);
}

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
  display: grid;
  gap: 88px;
}
.step {
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 900px) {
  .step {
    grid-template-columns: 4fr 7fr;
    gap: 56px;
  }
  .step:nth-child(even) .step-copy {
    order: 2;
  }
}
.step-num {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 15px;
}
.step-copy p {
  color: var(--muted);
}

/* Letter editor */
.tabs-grid {
  display: grid;
  gap: 40px;
}
@media (min-width: 800px) {
  .tabs-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
  display: grid;
  gap: 16px;
  color: var(--muted);
}
@media (min-width: 800px) {
  .feature-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}
.feature-list strong {
  color: var(--ink);
}

/* Details */
.details {
  display: grid;
  gap: 32px;
  margin-top: 40px;
}
@media (min-width: 800px) {
  .details {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }
}
.details h3 {
  font-size: 1.15rem;
}
.details p {
  color: var(--muted);
}

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 15px;
}
.footer .wrap {
  padding-block: 32px;
}
.ai-note {
  margin: 16px 0 0;
  font-size: 13px;
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
}

/* Lightbox */
.lightbox {
  padding: 0;
  border: none;
  background: transparent;
  max-width: 96vw;
  max-height: 94vh;
}
.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.78);
}
.lightbox img {
  max-width: 96vw;
  max-height: 94vh;
  border-radius: 10px;
}
.lightbox-close {
  position: fixed;
  top: 14px;
  right: 18px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

/* Two screenshots for one step, the second tucked below and to the side of the first. */
.shot-stack {
  display: grid;
  gap: 20px;
}
@media (min-width: 900px) {
  .shot-stack .shot + .shot {
    width: 78%;
    margin: -18% 0 0 auto;
    position: relative;
  }
}