/* Starve — minimal marketing site */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --ink: #0a0a0a;
  --ink-soft: #4a4a4a;
  --ink-mute: #8a8a8e;
  --line: #e5e5ea;
  --blue: #007aff;
  --radius: 22px;
  --radius-lg: 32px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 40px rgba(0,0,0,.05);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--ink); text-decoration: none; }
a:hover { opacity: .7; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 720px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(245,245,247,.8);
  border-bottom: 1px solid rgba(0,0,0,.04);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 19px; letter-spacing: -.02em;
}
.logo-mark {
  width: 28px; height: 28px;
  display: grid; place-items: center;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 15px; color: var(--ink-soft); }
.nav-cta {
  background: var(--ink); color: #fff !important;
  padding: 9px 18px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
}
.nav-cta:hover { opacity: .85; }

@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 80px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 13px; font-weight: 500;
  color: var(--blue);
  letter-spacing: .02em;
  margin-bottom: 24px;
  padding: 6px 14px;
  background: rgba(0,122,255,.08);
  border-radius: 999px;
}
h1.headline {
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 14ch;
  margin: 0 auto 24px;
}
.hero p.lede {
  font-size: clamp(17px, 1.6vw, 21px);
  color: var(--ink-soft);
  max-width: 540px;
  margin: 0 auto 40px;
}
.cta-row {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 64px;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--ink); color: #fff !important;
  padding: 14px 24px; border-radius: 999px;
  font-size: 15px; font-weight: 500;
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--ink) !important;
  padding: 14px 22px; border-radius: 999px;
  font-size: 15px; font-weight: 500;
  border: 1px solid var(--line);
}

/* iPhone screenshot */
.phone-stage {
  max-width: 300px;
  margin: 0 auto;
}
.phone-shot {
  width: 100%;
  display: block;
  border: 10px solid #0a0a0a;
  border-radius: 48px;
  box-shadow: 0 30px 80px rgba(0,0,0,.18), 0 8px 24px rgba(0,0,0,.08);
  background: #fff;
}

/* ---------- Sections ---------- */
section { padding: 80px 0; }
.section-eyebrow {
  font-size: 13px; font-weight: 500; color: var(--blue);
  letter-spacing: .04em; text-transform: uppercase;
  margin-bottom: 16px; text-align: center;
}
h2.section-title {
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-align: center;
  max-width: 18ch;
  margin: 0 auto 20px;
}
.section-lede {
  text-align: center; color: var(--ink-soft);
  max-width: 560px; margin: 0 auto 64px;
  font-size: 18px;
}

/* feature grid */
.features {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.feature {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(0,122,255,.1); color: var(--blue);
  display: grid; place-items: center;
  margin-bottom: 20px;
}
.feature h3 {
  font-size: 18px; font-weight: 600;
  letter-spacing: -.01em; margin-bottom: 8px;
}
.feature p { font-size: 15px; color: var(--ink-soft); }

@media (max-width: 880px) {
  .features { grid-template-columns: 1fr; }
}

/* steps */
.steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.step-num {
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 56px; font-weight: 700;
  color: var(--blue); letter-spacing: -.04em;
  line-height: 1; margin-bottom: 12px;
}
.step h3 { font-size: 19px; font-weight: 600; margin-bottom: 6px; }
.step p { color: var(--ink-soft); font-size: 15px; }

@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }

/* big quote */
.callout {
  background: var(--ink); color: #fff;
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
}
.callout h2 {
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -.03em; line-height: 1.1;
  max-width: 22ch; margin: 0 auto 24px;
}
.callout p { color: rgba(255,255,255,.75); max-width: 480px; margin: 0 auto 32px; }
.callout .btn-primary { background: #fff; color: var(--ink) !important; }

/* faq */
.faq-list { max-width: 720px; margin: 0 auto; }
details.faq {
  border-bottom: 1px solid var(--line);
  padding: 20px 4px;
}
details.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 17px; font-weight: 500;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+"; font-size: 22px; color: var(--ink-mute);
  transition: transform .2s ease;
}
details.faq[open] summary::after { content: "–"; }
details.faq p {
  margin-top: 14px; color: var(--ink-soft); font-size: 16px; max-width: 60ch;
}

/* ---------- Safeguarding strip ---------- */
.safeguard {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 28px 0;
  text-align: center;
}
.safeguard p {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}
.safeguard a {
  color: var(--blue);
  font-weight: 500;
}
.safeguard a:hover { opacity: .75; }
.safeguard b {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
  background: var(--bg);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px;
  margin-bottom: 40px;
}
.footer-grid h4 {
  font-size: 13px; font-weight: 600; letter-spacing: .02em;
  text-transform: uppercase; color: var(--ink-mute);
  margin-bottom: 14px;
}
.footer-grid a {
  display: block; font-size: 15px; color: var(--ink-soft);
  margin-bottom: 8px;
}
.footer-grid p { font-size: 14px; color: var(--ink-soft); max-width: 32ch; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--ink-mute);
  flex-wrap: wrap; gap: 12px;
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Legal pages ---------- */
.legal {
  padding: 72px 0 96px;
}
.legal h1 {
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -.03em; line-height: 1.05;
  margin-bottom: 12px;
}
.legal .updated {
  color: var(--ink-mute); font-size: 14px; margin-bottom: 40px;
}
.legal h2 {
  font-size: 22px; font-weight: 600;
  letter-spacing: -.01em;
  margin: 40px 0 12px;
}
.legal h3 {
  font-size: 17px; font-weight: 600;
  margin: 24px 0 8px;
}
.legal p, .legal li {
  color: var(--ink-soft); font-size: 16px; line-height: 1.65;
  margin-bottom: 12px;
}
.legal ul, .legal ol { padding-left: 22px; margin-bottom: 12px; }
.legal a { color: var(--blue); }
.legal a:hover { opacity: .75; }
.legal hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }

/* support contact card */
.contact-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  margin: 24px 0 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.contact-card .item h4 {
  font-size: 13px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em;
  color: var(--ink-mute); margin-bottom: 6px;
}
.contact-card .item a { color: var(--blue); font-size: 17px; font-weight: 500; }
@media (max-width: 600px) { .contact-card { grid-template-columns: 1fr; } }

/* utilities */
.center { text-align: center; }
.mt-24 { margin-top: 24px; }