/* Safe Loop — Child Safety Ecosystem
   Warm, trustworthy, distinctive. Not cold tech. */

:root {
  --color-bg: #0c0f14;
  --color-surface: #141922;
  --color-surface-2: #1a1f2e;
  --color-text: #e8eaef;
  --color-text-muted: #8b92a4;
  --color-accent: #3b82f6;
  --color-accent-soft: rgba(59, 130, 246, 0.15);
  --color-safe: #22c55e;
  --color-safe-soft: rgba(34, 197, 94, 0.12);
  --color-warm: #f59e0b;
  --color-warm-soft: rgba(245, 158, 11, 0.12);
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --space: 1.25rem;
  --container: min(1120px, 92vw);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space) 0;
  background: rgba(12, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.25rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: var(--radius);
  font-size: 1.25rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--color-text);
}

.nav a.btn-primary,
.nav a.btn-primary:hover,
.nav a.btn-primary:active,
.nav a.btn-primary:focus {
  color: #fff;
}

.nav a.btn-primary:hover,
.nav a.btn-primary:active,
.nav a.btn-primary:focus {
  box-shadow: none;
  transform: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform 0.15s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: none;
}

.btn-primary:hover {
  box-shadow: 0 0 0 3px var(--color-accent-soft);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
  background: var(--color-surface-2);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-lg {
  padding: 1rem 1.75rem;
  font-size: 1rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(80px + 2rem) 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-accent-soft), transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 50%, var(--color-safe-soft), transparent 45%),
    radial-gradient(ellipse 50% 30% at 0% 80%, var(--color-warm-soft), transparent 40%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 1.5rem;
  max-width: 18ch;
}

.hero-title em {
  font-style: italic;
  color: var(--color-safe);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin: 0 0 2.5rem;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-text-muted), transparent);
  border-radius: 2px;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  margin: 0 0 1rem;
  color: var(--color-text);
}

.section-lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 65ch;
  margin: 0;
}

.intro .section-lead strong {
  color: var(--color-safe);
}

/* Features list */
.features-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.5rem;
}

.feature-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem 2rem;
  align-items: start;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: rgba(59, 130, 246, 0.25);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-accent);
  opacity: 0.8;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.feature-card p {
  margin: 0;
  grid-column: 2;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* Benefits grid */
.benefits-grid {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.benefits-grid li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.benefit-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-safe-soft);
  color: var(--color-safe);
  border-radius: 8px;
  font-weight: 700;
  margin-top: 2px;
}

.benefit-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  min-width: 0;
}

.benefit-title {
  color: var(--color-text);
  margin: 0;
  font-weight: 600;
}

.benefit-desc {
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* CTA */
.cta {
  background: var(--color-surface);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.cta-inner {
  text-align: center;
  max-width: 42rem;
  margin-inline: auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  margin: 0 0 1rem;
}

.cta-text {
  color: var(--color-text-muted);
  margin: 0 0 2rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.cta-tagline {
  font-size: 1rem;
  color: var(--color-safe);
  font-weight: 500;
  margin: 0;
}

/* Footer */
.footer {
  padding: 3rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.125rem;
}

.footer-brand .logo-icon {
  width: 32px;
  height: 32px;
  font-size: 1rem;
}

.footer-details {
  text-align: right;
}

.footer-details p {
  margin: 0.25rem 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

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

.footer-details a:hover {
  color: var(--color-accent);
}

.footer-copy {
  width: 100%;
  text-align: center;
  margin: 1rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(280px, 85vw);
    z-index: 200;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0.5rem;
    padding: 2rem;
    padding-top: 5.5rem;
    padding-bottom: 1.5rem;
    background: var(--color-surface);
    border-left: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 0 0 0 var(--radius-lg);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    box-sizing: border-box;
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav a {
    display: block;
    padding: 0.75rem 0;
    border-radius: var(--radius);
    text-align: left;
  }

  .nav a.btn-primary {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .menu-toggle {
    display: flex;
    position: relative;
    z-index: 250;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .menu-toggle span {
    transition: transform 0.2s, opacity 0.2s;
  }

  .feature-card {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .feature-card p {
    grid-column: 1;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-details {
    text-align: center;
  }
}