/* ============================================================
   Hodor — hodor.design
   SF Pro + Apple typography system + Enji red accent
   ============================================================ */

:root {
  /* Apple text colors */
  --text: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #6e6e73;

  /* Hodor brand — between Enji and coral wallpaper */
  --accent: #BF3640;
  --accent-hover: #A02E38;
  --accent-light: #F7E8EA;

  /* Surfaces */
  --bg: #ffffff;
  --border: #d2d2d7;
  --white: #FFFFFF;

  /* System font stack — SF Pro on macOS */
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;

  /* Apple-aligned type scale (fluid) */
  --size-hero: clamp(56px, 2.3vw + 2.9rem, 80px);
  --size-tagline: clamp(21px, 1.05vw + 1.15rem, 28px);
  --size-section: clamp(28px, 1.05vw + 1.63rem, 40px);
  --size-way-title: clamp(17px, 0.48vw + 0.94rem, 22px);
  --size-body: 17px;
  --size-caption: 14px;
  --size-label: 12px;

  /* 4px grid spacing */
  --space-section: clamp(80px, 10vw, 160px);
  --space-xl: 64px;
  --space-lg: 48px;
  --space-md: 32px;
  --space-sm: 16px;
  --space-xs: 8px;

  --max-width: 980px;
  --side-pad: clamp(20px, 4vw, 48px);
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font);
  font-size: var(--size-body);
  line-height: 1.47059;
  letter-spacing: -0.022em;
  color: var(--text);
  background-color: var(--bg);
}

/* --- Grain --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

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

a { color: inherit; text-decoration: none; }

/* --- Buttons (Apple pill style) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: var(--size-body);
  font-weight: 400;
  line-height: 1.47059;
  letter-spacing: -0.022em;
  padding: 11px 24px;
  border-radius: 980px;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s, opacity 0.3s, transform 0.1s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background-color: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background-color: var(--accent-hover); }

.btn-secondary {
  background: none;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--text-secondary); }

.btn-sm {
  font-size: var(--size-caption);
  padding: 7px 16px;
}

/* ============================================================
   NAV — Apple-style: 48px, lightweight
   ============================================================ */
.sticky-nav {
  position: relative;
  z-index: 1000;
  height: 48px;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--side-pad);
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand { display: flex; align-items: center; color: var(--text); }
.nav-icon { width: 20px; height: 20px; }

.nav-actions { display: flex; align-items: center; gap: 28px; }

.nav-link {
  font-size: var(--size-caption);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }

/* ============================================================
   HERO — Apple typography: Semibold 600, tight tracking
   ============================================================ */
.hero {
  padding-top: clamp(40px, 6vw, 80px);
  padding-bottom: var(--space-section);
}

.hero-video {
  margin-top: var(--space-lg);
}

.hero-name {
  font-family: var(--font);
  font-size: var(--size-hero);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 12px;
}

.hero-tagline {
  font-family: var(--font);
  font-size: var(--size-tagline);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--accent);
  max-width: 540px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: var(--size-body);
  line-height: 1.47059;
  letter-spacing: -0.022em;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: var(--space-lg);
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-caption {
  font-size: var(--size-caption);
  letter-spacing: -0.01em;
  color: var(--text-secondary);
}

/* ============================================================
   DEMO FRAME (shared style)
   ============================================================ */
.demo-frame {
  background-color: #f5f5f7;
  border-radius: 16px;
  overflow: hidden;
}

.demo-frame video { display: block; width: 100%; height: auto; }

/* ============================================================
   THREE WAYS
   ============================================================ */
.ways { padding-bottom: var(--space-section); }

.section-headline {
  font-family: var(--font);
  font-size: var(--size-section);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: var(--space-lg);
}

.ways-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-bottom: var(--space-xl);
}

.way-card {
  padding: 20px 24px 20px 20px;
  border-left: 2px solid var(--border);
  transition: border-color 0.3s;
}
.way-card:hover { border-left-color: var(--accent); }

.way-title {
  font-family: var(--font);
  font-size: var(--size-way-title);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--text);
}

.way-desc {
  font-size: 15px;
  line-height: 1.47;
  letter-spacing: -0.016em;
  color: var(--text-secondary);
}

.way-desc code {
  font-family: 'SF Mono', ui-monospace, monospace;
  font-size: 13px;
  background-color: var(--accent-light);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
}

/* ============================================================
   TRUST
   ============================================================ */
.trust { padding-bottom: var(--space-section); }

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-bottom: var(--space-lg);
}

.trust-item {
  padding: 16px 24px 16px 0;
  border-bottom: 1px solid var(--border);
}
.trust-item:nth-child(odd) { padding-right: var(--space-lg); }
.trust-item:nth-child(even) { padding-left: var(--space-md); }

.trust-title {
  font-family: var(--font);
  font-size: var(--size-body);
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--text);
  margin-bottom: 4px;
}

.trust-desc {
  font-size: 15px;
  line-height: 1.47;
  letter-spacing: -0.016em;
  color: var(--text-secondary);
}

.trust-footnote {
  font-size: 15px;
  line-height: 1.47;
  letter-spacing: -0.016em;
  color: var(--text-secondary);
  max-width: 560px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: var(--space-section) 0 var(--space-xl);
  text-align: center;
}
.footer .btn { margin-bottom: var(--space-sm); }

.footer-caption {
  font-size: var(--size-caption);
  letter-spacing: -0.01em;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: var(--size-caption);
  letter-spacing: -0.01em;
  color: var(--text-secondary);
}
.footer-links a { transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-sep { color: var(--border); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .ways-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item:nth-child(odd) { padding-right: 0; }
  .trust-item:nth-child(even) { padding-left: 0; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; max-width: 320px; }
}

@media (max-width: 480px) {
  .nav-link { display: none; }
}