/* ================================================================
   Comfreessor landing — uses the same design tokens and dark palette
   as the app at /app, so the two surfaces feel continuous when the
   user crosses from landing to product.
   ================================================================ */

:root {
  --bg: #121417;
  --bg-elevated: #161a1e;
  --surface: #1a1d20;
  --surface-elevated: #22262a;
  --on-bg: #e5e7ea;
  --on-bg-muted: #9ba1a8;
  --on-bg-faint: #6b7280;
  --primary: #afd4ea;
  --primary-dark: #6c9dc0;
  --primary-tint: rgba(175, 212, 234, 0.15);
  --border: #2c3035;
  --success: #5eb37c;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  --shadow-1: 0 2px 4px rgba(0, 0, 0, 0.25);
  --shadow-2: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-3: 0 24px 60px rgba(0, 0, 0, 0.45);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Display",
                "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --max-width: 1200px;
  --content-width: 880px;

  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--on-bg);
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

a { color: inherit; }

img, svg { display: block; max-width: 100%; }

/* ================================================================
   Header
   ================================================================ */

.lp-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-3) var(--space-5);
  background: rgba(18, 20, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.lp-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--on-bg);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.lp-brand__icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lp-brand__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lp-brand__icon--small {
  width: 22px;
  height: 22px;
  border-radius: 6px;
}

.lp-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.lp-nav a {
  text-decoration: none;
  color: var(--on-bg-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}

.lp-nav a:hover { color: var(--on-bg); }

.lp-header__cta {
  text-decoration: none;
  background: var(--primary);
  color: var(--bg);
  font-weight: 600;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  transition: background 0.15s;
}

.lp-header__cta:hover { background: var(--primary-dark); }

@media (max-width: 760px) {
  .lp-nav { display: none; }
}

/* ================================================================
   Buttons (shared)
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.1s;
}

.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--primary);
  color: var(--bg);
}
.btn--primary:hover { background: var(--primary-dark); }

.btn--secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--border);
}
.btn--secondary:hover {
  background: var(--surface);
  border-color: var(--primary-dark);
}

.btn--large {
  padding: 14px 28px;
  font-size: 15px;
}

/* ================================================================
   Hero
   ================================================================ */

.lp-hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-8) var(--space-5) var(--space-9);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.lp-hero__title {
  font-size: 48px;
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 var(--space-4);
}

.lp-hero__subtitle {
  font-size: 18px;
  color: var(--on-bg-muted);
  margin: 0 0 var(--space-5);
  max-width: 480px;
}

.lp-hero__ctas {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.lp-hero__visual {
  position: relative;
  min-height: 380px;
}

.lp-hero__visual .mockup--mac {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.6));
}

.lp-hero__visual .mockup--phone {
  position: absolute;
  right: -10px;
  bottom: -40px;
  width: 140px;
  z-index: 2;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.7));
}

@media (max-width: 900px) {
  .lp-hero {
    grid-template-columns: 1fr;
    padding: var(--space-7) var(--space-5);
    gap: var(--space-6);
  }
  .lp-hero__title { font-size: 36px; }
  .lp-hero__visual {
    min-height: 280px;
    max-width: 460px;
    margin: 0 auto;
  }
  .lp-hero__visual .mockup--phone {
    width: 110px;
    bottom: -20px;
  }
}

/* ================================================================
   Sections (shared)
   ================================================================ */

.lp-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-9) var(--space-5);
}

.lp-section__title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-2);
  text-align: center;
}

.lp-section__subtitle {
  font-size: 16px;
  color: var(--on-bg-muted);
  text-align: center;
  margin: 0 0 var(--space-7);
}

@media (max-width: 760px) {
  .lp-section { padding: var(--space-7) var(--space-5); }
  .lp-section__title { font-size: 26px; }
}

/* ================================================================
   Why cards
   ================================================================ */

.lp-why { background: var(--bg-elevated); }

.lp-cards {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}

.lp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.lp-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.lp-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

.lp-card p {
  font-size: 14px;
  color: var(--on-bg-muted);
  margin: 0;
  line-height: 1.55;
}

/* ================================================================
   How it works
   ================================================================ */

.lp-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
  margin: var(--space-6) auto 0;
  max-width: var(--content-width);
  list-style: none;
  padding: 0;
}

.lp-step {
  text-align: center;
}

.lp-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--bg);
  border-radius: 50%;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: var(--space-3);
}

.lp-step h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

.lp-step p {
  font-size: 14px;
  color: var(--on-bg-muted);
  margin: 0;
  line-height: 1.55;
}

/* ================================================================
   Platforms
   ================================================================ */

.lp-platforms { background: var(--bg-elevated); }

.lp-platform {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
  margin-top: var(--space-7);
  padding: var(--space-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.lp-platform--reverse .lp-platform__info { order: 2; }
.lp-platform--reverse .lp-platform__visual { order: 1; }

.lp-platform__info h3 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-3);
}

.lp-platform__info p {
  color: var(--on-bg-muted);
  margin: 0 0 var(--space-4);
  line-height: 1.6;
}

.lp-platform__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lp-platform__visual .mockup {
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
}

.lp-platform__visual .mockup--small.mockup--mac { max-width: 460px; }
.lp-platform__visual .mockup--small.mockup--phone { max-width: 200px; }

@media (max-width: 800px) {
  .lp-platform {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-5);
  }
  .lp-platform--reverse .lp-platform__info { order: unset; }
  .lp-platform--reverse .lp-platform__visual { order: unset; }
  .lp-platform__info p { max-width: 480px; margin-left: auto; margin-right: auto; }
}

/* ================================================================
   Privacy
   ================================================================ */

.lp-privacy__content {
  max-width: var(--content-width);
  margin: 0 auto;
  text-align: center;
}

.lp-privacy p {
  font-size: 17px;
  color: var(--on-bg-muted);
  margin: var(--space-4) 0 0;
  line-height: 1.65;
}

.lp-privacy p:first-of-type { margin-top: var(--space-6); }

/* ================================================================
   Donate
   ================================================================ */

.lp-donate {
  background: var(--bg-elevated);
  text-align: center;
}

.lp-donate p {
  max-width: 560px;
  margin: var(--space-4) auto var(--space-6);
  color: var(--on-bg-muted);
  font-size: 17px;
}

/* ================================================================
   Footer
   ================================================================ */

.lp-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--on-bg-muted);
}

.lp-footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lp-footer__nav {
  display: flex;
  gap: var(--space-5);
}

.lp-footer__nav a {
  text-decoration: none;
  color: var(--on-bg-muted);
  transition: color 0.15s;
}

.lp-footer__nav a:hover { color: var(--on-bg); }

/* ================================================================
   Mockup containers — just sizing, the SVG inside handles visuals
   ================================================================ */

.mockup {
  width: 100%;
  height: auto;
}

.mockup svg {
  width: 100%;
  height: auto;
  display: block;
}