/* ─────────────────────────────────────────
   AutoSpect — Global Styles
   System font stack, Apple-style minimal
───────────────────────────────────────── */

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

:root {
  --bg:           #f5f5f7;
  --surface:      #ffffff;
  --surface-2:    #f0f0f2;
  --border:       rgba(0,0,0,0.08);
  --text:         #1d1d1f;
  --text-2:       #6e6e73;
  --text-3:       #a1a1a6;
  --accent:       #0071e3;
  --accent-hover: #0077ed;
  --green:        #30d158;
  --amber:        #ff9f0a;
  --red:          #ff453a;
  --radius:       18px;
  --radius-sm:    10px;
  --shadow:       0 4px 24px rgba(0,0,0,0.07);
  --shadow-lg:    0 16px 48px rgba(0,0,0,0.12);
  --font:         -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── NAV ─── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245,245,247,0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
  text-decoration: none;
}

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

.nav-links a {
  font-size: 14px;
  color: var(--text-2);
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.nav-active {
  color: var(--text);
  text-decoration: none;
}

/* ─── HERO ─── */

.hero {
  padding: 80px 24px 100px;
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 20px;
}

.tagline {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.55;
  max-width: 480px;
  margin-bottom: 36px;
}

.cta-group {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--text);
  color: #fff;
  padding: 12px 22px;
  border-radius: 50px;
  text-decoration: none;
  transition: background 0.18s, transform 0.18s;
  box-shadow: var(--shadow);
}

.btn-appstore:hover {
  background: #3a3a3c;
  transform: translateY(-1px);
  text-decoration: none;
}

.appstore-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.btn-appstore-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.btn-sub {
  font-size: 10px;
  font-weight: 400;
  opacity: 0.8;
}

.btn-main {
  font-size: 16px;
  font-weight: 600;
}

.platform-note {
  font-size: 13px;
  color: var(--text-3);
}

/* ─── PHONE MOCKUP ─── */

.phone-wrap {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.phone {
  width: 260px;
  background: #1c1c1e;
  border-radius: 42px;
  padding: 16px;
  position: relative;
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255,255,255,0.08);
}

.phone-notch {
  width: 90px;
  height: 26px;
  background: #1c1c1e;
  border-radius: 0 0 20px 20px;
  margin: 0 auto 12px;
}

.phone-screen {
  border-radius: 30px;
  overflow: hidden;
  background: #000;
}

.phone-screen--screenshot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 30px;
}

/* ─── FEATURES ─── */

.features {
  padding: 80px 24px;
  background: var(--surface);
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.8px;
  color: var(--text);
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 18px;
  color: var(--text-2);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 56px;
  line-height: 1.55;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.55;
}

/* ─── DOC PAGES ─── */

.doc-page {
  padding: 64px 24px 100px;
}

.doc-inner {
  max-width: 720px;
  margin: 0 auto;
}

.doc-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.doc-inner h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.8px;
  color: var(--text);
  margin-bottom: 8px;
}

.doc-updated {
  font-size: 14px;
  color: var(--text-3);
  margin-bottom: 48px;
}

.doc-section {
  margin-bottom: 40px;
}

.doc-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.2px;
}

.doc-section p {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 12px;
}

.doc-section ul {
  padding-left: 20px;
  margin: 10px 0;
}

.doc-section li {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 4px;
}

.doc-section a {
  color: var(--accent);
}

.disclaimer-callout {
  background: var(--surface);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin-bottom: 48px;
  box-shadow: var(--shadow);
}

.disclaimer-callout p {
  font-size: 16px;
  font-style: italic;
  color: var(--text);
  line-height: 1.6;
}

/* ─── FOOTER ─── */

.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-2);
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.footer-legal {
  font-size: 12px;
  color: var(--text-3);
  max-width: 560px;
  line-height: 1.55;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-3);
}

/* ─── RESPONSIVE ─── */

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .tagline {
    margin-left: auto;
    margin-right: auto;
  }

  .cta-group {
    justify-content: center;
  }

  .phone-wrap {
    order: -1;
  }

  .phone {
    width: 220px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 18px;
  }
}

@media (max-width: 480px) {
  .hero { padding: 56px 20px 72px; }
  .features { padding: 56px 20px; }
  .doc-page { padding: 48px 20px 80px; }
  .nav-links a:not(:last-child) { display: none; }
}