:root {
  --color-whiteout: #ffffff;
  --color-haze: #f5f5f5;
  --color-ink: #1b1b1b;
  --color-black-void: #000000;
  --color-twilight-blue: #426188;
  --color-signal-blue: #2b7fff;

  --font-control: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-compressed: 'Anton', 'Inter', sans-serif;
  --font-cursive: 'Caveat', cursive;

  --page-max-width: 1150px;
  --radius-input: 4px;
  --radius-button: 8px;
  --radius-card: 12px;
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--color-black-void);
  color: var(--color-whiteout);
  font-family: var(--font-control);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container { max-width: var(--page-max-width); margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav { height: 72px; border-bottom: 1px solid rgba(255, 255, 255, 0.15); position: sticky; top: 0; background: var(--color-black-void); z-index: 10; }
.nav__inner { max-width: var(--page-max-width); height: 100%; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 32px; }
.nav__logo { font-size: 20px; }
.nav__links { display: flex; gap: 24px; flex: 1; font-size: 14px; }
.nav__links a { opacity: 0.8; }
.nav__links a:hover { opacity: 1; }

/* Buttons */
.btn { display: inline-block; font: inherit; font-size: 14px; border-radius: var(--radius-button); padding: 10px 16px; cursor: pointer; border: 1px solid var(--color-whiteout); }
.btn--ghost { background: transparent; color: var(--color-whiteout); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.1); }
.btn--haze { background: var(--color-haze); color: var(--color-ink); border-color: var(--color-haze); font-size: 16px; padding: 12px 20px; }
.btn--haze:hover { background: var(--color-whiteout); }

.link { color: var(--color-signal-blue); border-bottom: 2px solid var(--color-signal-blue); padding: 0 8px; }

/* Type */
.eyebrow { font-size: 13px; opacity: 0.7; margin-bottom: 16px; }
.subheading { font-size: 20px; line-height: 1.4; opacity: 0.8; margin-bottom: 12px; }
.heading { font-size: 40px; line-height: 1.1; }
.heading-lg { font-size: 56px; line-height: 1; }
.cursive { font-family: var(--font-cursive); font-weight: 500; font-style: italic; color: var(--color-whiteout); font-size: 1.3em; line-height: 0.8; }
.lead { font-size: 20px; line-height: 1.4; max-width: 560px; margin: 24px auto 0; opacity: 0.8; }
.lead--left { margin: 16px 0 32px; font-size: 16px; }

/* Hero */
.hero { position: relative; min-height: calc(100vh - 72px); display: grid; place-items: center; text-align: center; overflow: hidden; padding: 80px 24px; }
.hero__bg { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--font-compressed); font-size: clamp(140px, 34vw, 480px); line-height: 0.85; color: rgba(255,255,255,0.07); text-transform: uppercase; user-select: none; }
.hero__clouds { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__content { position: relative; max-width: 760px; }
.hero .heading-lg { font-size: clamp(40px, 6.5vw, 72px); }
.search { display: flex; gap: 8px; margin: 40px auto 0; max-width: 560px; padding: 8px; }
.search .input { flex: 1; border: none; background: transparent; font-size: 16px; padding: 10px 12px; outline: none; }
.btn--ink { background: var(--color-ink); color: var(--color-whiteout); border-color: var(--color-ink); font-size: 14px; white-space: nowrap; }
.btn--ink:hover { background: #000; }
.chips { list-style: none; padding: 0; display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.chips li { border: 1px solid rgba(255,255,255,0.3); border-radius: 9999px; padding: 4px 14px; font-size: 13px; opacity: 0.85; }

/* Sections */
.section { padding: 96px 0; border-top: 1px solid rgba(255,255,255,0.15); }
.section__head { text-align: center; margin-bottom: 48px; }
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }

/* Cards */
.card { background: var(--color-haze); color: var(--color-ink); border-radius: var(--radius-card); padding: 20px; }
.card__num { font-size: 13px; opacity: 0.6; }
.card h3 { font-size: 20px; line-height: 1.4; margin: 8px 0; }
.card p { font-size: 16px; }

.card--demo { padding: 24px; }
.demo__label { display: block; font-size: 13px; margin-bottom: 8px; }
.input { width: 100%; background: var(--color-haze); color: var(--color-ink); font: inherit; border: 1px solid rgba(0, 0, 0, 0.1); border-radius: var(--radius-input); padding: 10px; }
.demo__result { margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(0, 0, 0, 0.1); }
.demo__temp { font-size: 56px; line-height: 1; }
.demo__desc { margin-top: 8px; }
.demo__note { font-size: 13px; opacity: 0.6; margin-top: 16px; }

/* CTA */
.cta { text-align: center; padding: 120px 0; border-top: 1px solid rgba(255, 255, 255, 0.15); }
.cta .btn { margin-top: 32px; }

/* Footer */
.footer { border-top: 1px solid rgba(255, 255, 255, 0.15); padding: 32px 0; font-size: 14px; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; }

@media (max-width: 800px) {
  .nav__links { display: none; }
  .search { flex-direction: column; }
  .nav__inner { justify-content: space-between; }
  .heading-lg { font-size: 40px; }
  .grid--3, .split { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .cta { padding: 80px 0; }
}

.card .demo__temp { font-size: 56px; line-height: 1; }
.cursive { padding: 0 0.12em; }