/* ==========================================================================
   MVIII — Swiss Modernist design system, translated from the iOS app
   (MVIII/Theme/Color+MVIII.swift, Typography.swift, Components.swift).

   Background   purple → black gradient   #2A164A → #0A0A0A (145°, out by 60%)
   Action       orange                    #F25623
   Positive     neon green                #A8FFAB
   Labels       muted gray                #A0A0A0
   Inactive     dark gray                 #4D4D4D
   Text         white / light gray        #FFFFFF / #DEDEDE

   Hierarchy comes entirely from extreme contrasts of size and weight.
   No rounded corners. No pills. No shadows.
   ========================================================================== */

:root {
  --purple: #2a164a;
  --black: #0a0a0a;
  --orange: #f25623;
  --green: #a8ffab;
  --gray-dark: #4d4d4d;
  --gray-muted: #a0a0a0;
  --gray-light: #dedede;
  --hairline: rgba(255, 255, 255, 0.1);
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --measure: 62ch;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0; /* the Swiss rule: sharp corners everywhere */
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 400;
  color: var(--gray-light);
  background-color: var(--black);
  background-image: linear-gradient(145deg, var(--purple) 0%, var(--black) 60%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

/* --------------------------------------------------------------------------
   Type scale
   -------------------------------------------------------------------------- */

.display {
  font-weight: 700;
  font-size: clamp(2.5rem, 8vw, 4rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: #fff;
}

.title {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.15;
}

.eyebrow {
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.136em;
  text-transform: uppercase;
  color: var(--gray-muted);
}

.data {
  font-weight: 700;
  font-size: 28px;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: #fff;
  line-height: 1.1;
}

.sub {
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  color: var(--green);
}

.green { color: var(--green); }
.orange { color: var(--orange); }
.muted { color: var(--gray-muted); }

/* --------------------------------------------------------------------------
   Structural motifs
   -------------------------------------------------------------------------- */

/* Thick edge-to-edge geometric rule — divider between major zones. */
.rule {
  height: 4px;
  background: var(--orange);
  border: 0;
  width: 100%;
}

/* Thin hairline for minor separation inside a zone. */
.hairline {
  height: 1px;
  background: var(--hairline);
  border: 0;
  width: 100%;
}

/* Primary action: sharp-cornered edge-to-edge block of solid orange. */
.btn-block {
  display: block;
  width: 100%;
  background: var(--orange);
  color: #000;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.056em;
  text-transform: uppercase;
  text-align: center;
  padding: 16px;
  border: 0;
  cursor: pointer;
}

.btn-block:hover {
  background: #ff6a35;
}

/* Underlined uppercase text tag — replaces pills. */
.tag {
  display: inline-block;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.083em;
  text-transform: uppercase;
  color: #fff;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--orange);
}

.tag--white { border-bottom-color: #fff; }
.tag--green { border-bottom-color: var(--green); }

/* Thin sharp horizontal gauge — the Swiss replacement for progress rings. */
.gauge {
  height: 3px;
  width: 100%;
  background: rgba(255, 255, 255, 0.12);
}

.gauge > i {
  display: block;
  height: 100%;
  background: var(--orange);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Site nav */
.nav {
  border-bottom: 1px solid var(--hairline);
}

.nav .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
}

.nav-mark {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: #fff;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.136em;
  text-transform: uppercase;
  color: var(--gray-muted);
}

.nav-links a:hover { color: #fff; }

/* Hero */
.hero .wrap {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 380px);
  gap: 64px;
  align-items: center;
  padding-top: 88px;
  padding-bottom: 88px;
}

.hero-copy > * + * { margin-top: 28px; }

.hero-copy p {
  max-width: 44ch;
  color: var(--gray-light);
}

.hero .btn-block { max-width: 380px; }

.app-icon {
  width: 72px;
  height: 72px;
  border: 1px solid var(--hairline);
}

/* Screenshots: sharp rectangles, hairline border — no frame, no shadow. */
.shot {
  width: 100%;
  border: 1px solid var(--hairline);
}

/* Tab strip */
.tabstrip {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.tabstrip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  padding-top: 22px;
  padding-bottom: 22px;
  justify-content: space-between;
}

.tabstrip span {
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.136em;
  text-transform: uppercase;
  color: var(--gray-dark);
}

.tabstrip span.on { color: var(--green); }

/* Feature sections */
.feature {
  border-top: 1px solid var(--hairline);
}

.feature:first-of-type { border-top: 0; }

.feature .wrap {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 340px);
  gap: 64px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 72px;
}

.feature.flip .wrap { grid-template-columns: minmax(260px, 340px) 1fr; }
.feature.flip .feature-copy { order: 2; }
.feature.flip .feature-shot { order: 1; }

.feature-copy > * + * { margin-top: 18px; }

.feature-copy h2 {
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  color: #fff;
}

.feature-copy p {
  max-width: 52ch;
  color: var(--gray-light);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.feature-data {
  display: flex;
  gap: 48px;
  padding-top: 8px;
}

.datablock .eyebrow { display: block; margin-bottom: 4px; }
.datablock .data { display: block; }
.datablock .sub { display: block; margin-top: 4px; }

/* Privacy section */
.privacy-band {
  border-top: 1px solid var(--hairline);
}

.privacy-band .wrap {
  padding-top: 88px;
  padding-bottom: 88px;
}

.privacy-band h2 { margin-top: 24px; }

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 40px 32px;
  margin-top: 56px;
}

.privacy-grid article h3 {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.056em;
  text-transform: uppercase;
  color: #fff;
  display: inline-block;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--green);
  margin-bottom: 12px;
}

.privacy-grid article p {
  color: var(--gray-muted);
  font-size: 14px;
}

.privacy-band .more {
  margin-top: 56px;
}

/* Closing CTA */
.cta .wrap {
  padding-top: 96px;
  padding-bottom: 96px;
  text-align: left;
}

.cta .btn-block {
  max-width: 380px;
  margin-top: 40px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--hairline);
}

.footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 28px;
  padding-bottom: 44px;
}

.footer a,
.footer span {
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.136em;
  text-transform: uppercase;
  color: var(--gray-muted);
}

.footer a:hover { color: #fff; }

.footer-links { display: flex; gap: 28px; }

/* --------------------------------------------------------------------------
   Legal pages
   -------------------------------------------------------------------------- */

.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.legal header { margin-bottom: 48px; }
.legal header .display { font-size: clamp(2rem, 6vw, 3rem); margin-top: 16px; }
.legal header .eyebrow + .display { margin-top: 16px; }
.legal header .meta { margin-top: 16px; color: var(--gray-muted); font-size: 13px; }

.legal section { margin-top: 44px; }

.legal h2 {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 14px;
}

.legal h2 .num {
  color: var(--orange);
  margin-right: 10px;
}

.legal p,
.legal li {
  color: var(--gray-light);
  max-width: var(--measure);
}

.legal p + p { margin-top: 12px; }

.legal ul {
  list-style: none;
  margin-top: 12px;
}

.legal li {
  padding-left: 20px;
  position: relative;
  margin-top: 8px;
}

.legal li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.legal a {
  color: #fff;
  border-bottom: 1px solid var(--orange);
}

.legal strong { color: #fff; }

/* 404 */
.notfound {
  max-width: 720px;
  margin: 0 auto;
  padding: 120px 24px;
}

.notfound .display { margin: 20px 0 28px; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 820px) {
  .hero .wrap,
  .feature .wrap,
  .feature.flip .wrap {
    grid-template-columns: 1fr;
    gap: 44px;
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .feature.flip .feature-copy { order: 1; }
  .feature.flip .feature-shot { order: 2; }

  .feature-shot,
  .hero-shot {
    max-width: 320px;
  }

  .tabstrip .wrap { justify-content: flex-start; }
}