/*
 * Sliderino landing page.
 *
 * The values come from the "Sliderino — Landing" artboard in the Paper file
 * "Sliderino" (page "Website"), drawn at 1440px. The nav bar is in nav.css,
 * because the pages under /docs/ use it too.
 */

:root {
  --bg: #ffffff;
  --bg-alt: #f4f4f2;
  --bg-dark: #111111;
  --ink: #111111;
  --text: #444444;
  --text-soft: #555555;
  --muted: #6b6b6b;
  --line: #e2e2e2;
  --line-strong: #dadada;
  --accent: #1f4bff;
  --accent-on-dark: #7c93ff;
  --on-dark: #ffffff;
  --on-dark-muted: #a8a8a8;
  --code-text: #e8e8e8;

  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", Menlo, Consolas, monospace;

  --gutter: clamp(20px, 6.67vw, 96px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  /* Anchors land under the sticky nav, not behind it. */
  scroll-padding-top: var(--nav-height);
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-synthesis: none;
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3,
p,
figure,
pre,
ol,
dl,
dd {
  margin: 0;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* Shared type ---------------------------------------------------------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  line-height: 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow--dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background-color: var(--accent);
  flex-shrink: 0;
}

.eyebrow--on-dark {
  color: var(--accent-on-dark);
}

.section-title {
  font-size: clamp(40px, 4.45vw, 64px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.section-title--on-dark {
  color: var(--on-dark);
}

.section-paragraph {
  font-size: 17px;
  line-height: 27px;
  color: var(--text);
}

.section-paragraph--on-dark {
  color: var(--on-dark-muted);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
}

.section-head--split {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  max-width: none;
}

.section-head__title {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.section-head--split .section-paragraph {
  flex: 0 0 360px;
}

.caption {
  font-size: 13px;
  line-height: 16px;
  color: var(--muted);
}

/* Buttons -------------------------------------------------------------- */

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 18px;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn--dark {
  background-color: var(--ink);
  color: #ffffff;
}

.btn--dark:hover {
  background-color: #333333;
}

.btn--outline {
  border-color: var(--line);
  color: var(--ink);
}

.btn--outline:hover {
  border-color: var(--ink);
}

.btn--light {
  background-color: #ffffff;
  color: var(--ink);
}

.btn--light:hover {
  background-color: #e8ecff;
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
}

.btn--ghost:hover {
  border-color: #ffffff;
}

/* Code ----------------------------------------------------------------- */

.code {
  display: block;
  overflow-x: auto;
  padding: 20px 22px;
  border-radius: 10px;
  background-color: var(--bg-dark);
  color: var(--code-text);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 22px;
}

.code code {
  font-family: inherit;
}

/* Hero ----------------------------------------------------------------- */

.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 38px;
  padding-top: 72px;
  padding-bottom: 56px;
}

.hero__text {
  display: flex;
  flex-direction: column;
  gap: 28px;
  flex: 1 1 880px;
  min-width: 0;
}

.hero__headline {
  font-size: clamp(42px, 4.56vw, 70px);
  font-weight: 800;
  line-height: 0.975;
  letter-spacing: -0.045em;
  color: var(--ink);
}

.hero__aside {
  display: flex;
  flex-direction: column;
  gap: 28px;
  flex: 0 0 330px;
  padding-bottom: 6px;
}

.hero__subhead {
  font-size: 18px;
  line-height: 28px;
  color: var(--text);
}

/* Screenshots ---------------------------------------------------------- */

.window {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 24px 64px -24px rgba(17, 17, 17, 0.22);
}

.window img {
  width: 100%;
}

.window--soft {
  border-radius: 12px;
  box-shadow: 0 20px 48px -24px rgba(17, 17, 17, 0.2);
}

.hero-shot {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 120px;
}

.caption-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
}

/* Videos --------------------------------------------------------------- */

.videos {
  padding-block: 120px;
  background-color: var(--bg-dark);
}

.videos .container {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.clip {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.clip--large {
  flex-direction: row;
  align-items: flex-end;
  gap: 48px;
}

.clip__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  background-color: #000000;
  cursor: pointer;
}

.clip--large .clip__frame {
  flex: 0 0 min(880px, 66%);
}

.clip__frame video {
  width: 100%;
  object-fit: cover;
}

.clip__shade {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(180deg, rgba(17, 17, 17, 0) 60%, rgba(17, 17, 17, 0.55) 100%);
  pointer-events: none;
}

.clip__play {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: -32px 0 0 -32px;
  border: 0;
  border-radius: 32px;
  background-color: var(--accent);
  box-shadow: 0 8px 24px rgba(31, 75, 255, 0.45);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.clip__frame:hover .clip__play {
  transform: scale(1.06);
}

.clip__bar {
  position: absolute;
  right: 20px;
  bottom: 18px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 16px;
  pointer-events: none;
}

.clip__track {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background-color: rgba(255, 255, 255, 0.3);
}

.clip__pill {
  position: absolute;
  bottom: 20px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 10px;
  border: 0;
  border-radius: 20px;
  background-color: var(--bg-dark);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 16px;
  cursor: pointer;
}

.clip__pill-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 12px;
  background-color: var(--accent);
}

/* Once a clip plays, the native controls take over. */
.clip__frame.is-playing {
  cursor: auto;
}

.clip__frame.is-playing .clip__shade,
.clip__frame.is-playing .clip__play,
.clip__frame.is-playing .clip__bar,
.clip__frame.is-playing .clip__pill {
  display: none;
}

.clip__caption {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.clip--large .clip__caption {
  gap: 16px;
  padding-bottom: 8px;
}

.clip__file {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 16px;
  color: var(--accent-on-dark);
}

.clip__title {
  font-size: 22px;
  font-weight: 700;
  line-height: 28px;
  letter-spacing: -0.015em;
  color: var(--on-dark);
}

.clip--large .clip__title {
  font-size: 28px;
  line-height: 34px;
  letter-spacing: -0.02em;
}

.clip__description {
  max-width: 540px;
  font-size: 15px;
  line-height: 24px;
  color: var(--on-dark-muted);
}

.clip--large .clip__description {
  font-size: 16px;
  line-height: 26px;
}

.clip-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding-top: 24px;
}

/* Features ------------------------------------------------------------- */

.features {
  display: flex;
  flex-direction: column;
  gap: 64px;
  padding-top: 128px;
  padding-bottom: 120px;
}

.features__split {
  display: flex;
  align-items: flex-start;
  gap: 72px;
}

.features__shot {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 0 0 min(760px, 61%);
}

.feature-list {
  flex: 1;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.feature-list__item {
  display: flex;
  gap: 20px;
  padding-block: 22px;
  border-top: 1px solid var(--line);
}

.feature-list__item:first-child {
  border-top-color: var(--ink);
}

.feature-list__number {
  flex: 0 0 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 24px;
  color: var(--accent);
}

.feature-list__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 24px;
  color: var(--ink);
}

.feature-list__description {
  margin-top: 6px;
  font-size: 15px;
  line-height: 23px;
  color: var(--text-soft);
}

/* Getting started ------------------------------------------------------ */

.getting-started {
  padding-block: 120px;
  background-color: var(--bg-alt);
  border-top: 1px solid #e6e6e6;
}

.getting-started__inner {
  display: flex;
  gap: 80px;
}

.getting-started__intro {
  display: flex;
  flex-direction: column;
  gap: 24px;
  flex: 0 0 320px;
  align-self: flex-start;
  position: sticky;
  top: calc(var(--nav-height) + 32px);
}

.getting-started__title {
  font-size: clamp(40px, 3.9vw, 56px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.getting-started__paragraph {
  font-size: 16px;
  line-height: 26px;
  color: var(--text-soft);
}

.facts {
  padding-top: 8px;
}

.facts__row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-block: 12px;
  border-top: 1px solid #d6d6d2;
}

.facts__row:last-child {
  border-bottom: 1px solid #d6d6d2;
}

.facts dt {
  font-size: 14px;
  line-height: 18px;
  color: var(--ink);
}

.facts dd {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 18px;
  color: var(--text-soft);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
  flex: 1;
  min-width: 0;
  padding: 0;
  list-style: none;
}

.step {
  display: flex;
  gap: 24px;
}

.step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 36px;
  height: 36px;
  border-radius: 18px;
  background-color: var(--ink);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
}

.step__number--accent {
  background-color: var(--accent);
}

.step__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
  min-width: 0;
}

.step__title {
  font-size: 24px;
  font-weight: 700;
  line-height: 36px;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.step__text {
  font-size: 16px;
  line-height: 26px;
  color: var(--text);
}

.step__text--note {
  font-size: 15px;
  line-height: 24px;
  color: var(--text-soft);
}

.step__text--strong {
  font-size: 15px;
  line-height: 24px;
  color: var(--ink);
}

.prompt {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 22px;
  border: 1px solid #e2e2de;
  border-radius: 10px;
  background-color: #ffffff;
}

.prompt__label {
  font-size: 11px;
  font-weight: 600;
  line-height: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.prompt__text {
  font-size: 17px;
  line-height: 26px;
  color: var(--ink);
}

/* Call to action ------------------------------------------------------- */

.cta {
  padding-block: 112px;
  background-color: var(--accent);
}

.cta__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
}

.cta__title {
  flex: 0 1 760px;
  font-size: clamp(48px, 6.1vw, 88px);
  font-weight: 800;
  line-height: 0.955;
  letter-spacing: -0.045em;
  color: #ffffff;
}

.cta__aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 0 0 420px;
  max-width: 100%;
}

.cta__command {
  padding: 16px 20px;
  color: #ffffff;
  font-size: 14px;
  line-height: 18px;
}

/* Footer --------------------------------------------------------------- */

.site-footer {
  padding-block: 32px;
  background-color: var(--bg-dark);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
}

.site-footer__brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
}

.site-footer__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
  line-height: 22px;
  letter-spacing: -0.03em;
  color: #ffffff;
  text-decoration: none;
}

.site-footer__logo .logo-mark {
  width: 26px;
  height: 19px;
}

.site-footer__tagline {
  font-size: 14px;
  line-height: 18px;
  color: #8a8a8a;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
}

.site-footer__links a {
  font-size: 14px;
  line-height: 18px;
  color: #bdbdbd;
  text-decoration: none;
}

.site-footer__links a:hover {
  color: #ffffff;
}

/* Narrow screens ------------------------------------------------------- */

@media (max-width: 1100px) {
  .hero,
  .section-head--split,
  .clip--large,
  .features__split,
  .getting-started__inner,
  .cta__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__text,
  .cta__title,
  .hero__aside,
  .section-head--split .section-paragraph,
  .clip--large .clip__frame,
  .features__shot,
  .getting-started__intro,
  .cta__aside {
    flex-basis: auto;
    max-width: 640px;
  }

  .clip--large .clip__frame,
  .features__shot {
    max-width: none;
  }

  .getting-started__intro {
    position: static;
  }

  .hero {
    padding-top: 48px;
    gap: 32px;
  }

  .videos,
  .getting-started {
    padding-block: 80px;
  }

  .hero-shot,
  .features {
    padding-bottom: 80px;
  }

  .features {
    padding-top: 80px;
    gap: 48px;
  }

  .features__split,
  .getting-started__inner {
    gap: 48px;
  }

  .cta {
    padding-block: 80px;
  }
}

@media (max-width: 720px) {
  .clip-pair {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 0;
  }

  .step {
    gap: 16px;
  }

  .step__title {
    font-size: 20px;
    line-height: 30px;
  }

  .clip__play {
    width: 52px;
    height: 52px;
    margin: -26px 0 0 -26px;
  }

  .clip__bar {
    display: none;
  }
}