/* styles.css — minimal, mobile-first, responsive */

@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap");

:root {
  --max: 1040px;
  --pad: 16px;

  --bg: #0B0E14;
  --bgAlt: #101521;
  --panel: #141A26;
  --panelAlt: #1A2231;
  --text: #F8FAFF;
  --textDark: #0B0E14;
  --muted: #A6B0C3;
  --mutedDark: #79839A;
  --border: rgba(255, 255, 255, 0.08);
  --divider: rgba(255, 255, 255, 0.08);
  --accent: #2B6BFF;
  --accentSoft: rgba(43, 107, 255, 0.18);
  --success: #1EAE82;
  --danger: #D4183D;

  --link: #7FB2FF;
  --btn: #2B6BFF;
  --btnText: #FFFFFF;
  --brandGradient: linear-gradient(135deg, #22D3EE 0%, #3B82F6 48%, #2563EB 100%);

  --radius: 16px;
  --shadow: 0 14px 40px rgba(6, 10, 18, 0.45);
}

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

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

body {
  margin: 0;
  font-family: "Space Grotesk", "Sora", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(900px 600px at 10% -10%, rgba(43, 107, 255, 0.22), transparent 60%),
    radial-gradient(700px 500px at 90% 10%, rgba(59, 130, 246, 0.18), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* Utilities */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  width: auto;
  height: auto;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  z-index: 1000;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bgAlt), transparent 8%);
  border-bottom: 1px solid var(--divider);
  z-index: 20;
  padding: 0 var(--pad);
}

.site-header .container {
  padding-left: 0;
  padding-right: 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  padding: 16px 0;
  flex-wrap: wrap; /* responsive: allows wrap on small screens */
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: 0.2px;
  white-space: nowrap;
  color: var(--text);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.nav {
  display: none;
  gap: 12px;
  flex-wrap: wrap; /* responsive: wraps links instead of overflow */
  align-items: center;
}

.header-controls {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle:hover {
  background: var(--panelAlt);
}

.nav-toggle-icon {
  position: relative;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-link {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--text);
  background: var(--panelAlt);
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--btn);
  color: var(--btnText);
  box-shadow: 0 8px 20px rgba(43, 107, 255, 0.3);
}

.btn-primary:hover {
  filter: brightness(1.06);
  text-decoration: none;
}

.btn:focus-visible,
.nav-link:focus-visible,
.nav-toggle:focus-visible,
.link:focus-visible,
.store-badge:focus-visible,
summary:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent), transparent 30%);
  outline-offset: 3px;
}

/* Sections */
.hero {
  padding: 44px 0 28px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr; /* mobile first */
  gap: 26px;
  align-items: center;
}

.kicker {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 650;
}

.lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

.fineprint {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 34px 0;
  border-top: 1px solid var(--divider);
}

h2 {
  margin: 0 0 16px;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  font-weight: 600;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
}

.steps {
  display: grid;
  grid-template-columns: 1fr; /* mobile */
  gap: 12px;
}

.step {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  color: var(--text);
}

.step p {
  margin: 0;
  color: var(--muted);
}

/* Hero media placeholder */
.device-frame {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  overflow: hidden;
  color: var(--text);
}

.device-placeholder {
  padding: 18px;
  min-height: 220px;
  display: grid;
  align-content: center;
  gap: 6px;
  text-align: left;
}

.placeholder-title {
  margin: 0;
  font-weight: 650;
}

.placeholder-text {
  margin: 0;
  color: var(--muted);
}

/* Download badge */
.download-badges {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 6px 0 2px;
}

.store-badge {
  display: inline-flex;
  border-radius: 0;
}

.store-badge img {
  border-radius: 0;
}

/* FAQ */
.faq {
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
}

summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-body p {
  margin: 10px 0 0;
  color: var(--muted);
}

/* Contact */
.link {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--divider);
  padding: 22px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 720px) {
  :root {
    --pad: 20px;
  }

  .header-inner {
    flex-wrap: nowrap;
  }

  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    padding: 14px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: flex-start;
  }

  .site-header.nav-open .nav {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 10px 12px;
  }

  .hero {
    padding: 36px 0 20px;
  }

  .section {
    padding: 28px 0;
  }

  .hero-inner {
    gap: 20px;
  }
}

@media (min-width: 721px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

/* Responsive enhancements on wider screens */
@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1.15fr 0.85fr; /* 2 columns desktop */
    gap: 34px;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero {
    padding: 56px 0 34px;
  }
}