/* ============================================================
   247ch.at — landing.css
   Variable-based architecture per LAYOUT_COMP_TO_SITE_WHITEPAPER.md.
   No magic hex constants in component rules.
   ============================================================ */

:root {
  --brand:          #4338ca;          /* deep indigo from the comp */
  --brand-dark:     #312e81;
  --brand-soft:     rgba(67, 56, 202, 0.08);
  --ink:            #1a1633;
  --ink-soft:       #5b5670;
  --bg:             #ffffff;
  --bg-soft:        #f7f6fb;
  --line:           rgba(26, 22, 51, 0.08);
  --radius:         14px;
  --radius-sm:      8px;
  --shadow-card:    0 8px 24px rgba(26, 22, 51, 0.06);
  --shadow-hover:   0 12px 32px rgba(26, 22, 51, 0.10);
  --shadow-cta:     0 8px 18px rgba(67, 56, 202, 0.32);
  --font-sans:      -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
}

/* ===== reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01" on, "cv02" on;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }

/* ===== header / nav ===== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  max-width: 1280px;
  margin: 0 auto;
  gap: 32px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--ink);
}
.brand img { width: 30px; height: auto; }
.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.primary-nav a {
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.15s ease;
}
.primary-nav a:hover { color: var(--ink); }
.primary-nav a.has-caret::after {
  content: " ▾";
  font-size: 0.7em;
  color: var(--ink-soft);
}
.auth-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.link-login {
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
}
.link-login:hover { color: var(--brand); }

/* ===== buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn.primary {
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow-cta);
}
.btn.primary:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(67, 56, 202, 0.40);
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn.ghost:hover {
  border-color: var(--ink-soft);
  transform: translateY(-1px);
}
.btn.large { padding: 14px 26px; font-size: 16px; }

/* ===== hero ===== */
.hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 48px 32px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-copy { max-width: 540px; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--brand-soft);
  color: var(--brand);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 20px;
}
.kicker::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  background: radial-gradient(circle, var(--brand) 50%, transparent 52%) no-repeat center;
}
.hero h1 {
  font-size: 56px;
  line-height: 1.05;
  font-weight: 800;
  margin: 0 0 18px;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.hero .lead {
  font-size: 18px;
  color: var(--ink-soft);
  margin: 0 0 28px;
  line-height: 1.55;
}
.cta-row {
  display: flex;
  gap: 12px;
  margin: 0 0 24px;
  flex-wrap: wrap;
}
.trust-points {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 22px;
  font-size: 14px;
  color: var(--ink-soft);
  flex-wrap: wrap;
}
.trust-points li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.trust-points li::before {
  content: "✓";
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
}

.hero-figure {
  position: relative;
  margin: 0;
  min-height: 520px;
}
.hero-figure .person {
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius);
  margin-left: auto;
  display: block;
}
.hero-figure .widget-overlay {
  position: absolute;
  top: 12px;
  right: -32px;
  width: 320px;
  max-width: 80%;
  filter: drop-shadow(0 18px 40px rgba(26, 22, 51, 0.18));
  transition: transform 0.25s ease;
}
.hero-figure .widget-overlay:hover { transform: translateY(-4px); }

/* ===== features row ===== */
.features {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 48px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.feature {
  padding: 8px 4px;
}
.feature .icon-wrap {
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.feature .icon-wrap img { width: 100%; height: auto; }
.feature h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ink);
}
.feature p {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.55;
}

/* ===== pricing teaser strip ===== */
.pricing-cta {
  max-width: 1280px;
  margin: 32px auto 64px;
  padding: 0 48px;
}
.pricing-cta .strip {
  background: var(--brand-soft);
  border-radius: var(--radius);
  padding: 28px 36px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.pricing-cta .strip .tag {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-card);
}
.pricing-cta .strip .tag::before {
  content: "$";
  color: var(--brand);
  font-weight: 800;
  font-size: 18px;
}
.pricing-cta .strip .text {
  flex: 1;
  min-width: 200px;
}
.pricing-cta .strip h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ink);
}
.pricing-cta .strip p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

/* ===== footer ===== */
.landing-footer {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding: 32px 48px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
}
.landing-footer a {
  color: var(--ink-soft);
  margin: 0 8px;
  transition: color 0.15s ease;
}
.landing-footer a:hover { color: var(--ink); }
.landing-footer .copy {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 8px;
  opacity: 0.7;
}

/* ===== responsive — tablet (~1100px) ===== */
@media (max-width: 1100px) {
  .site-header { padding: 18px 28px; }
  .primary-nav { gap: 20px; }
  .hero {
    padding: 32px 28px 24px;
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: left;
  }
  .hero h1 { font-size: 44px; }
  .hero-figure { min-height: auto; }
  .hero-figure .person { max-width: 380px; margin: 0 auto; }
  .hero-figure .widget-overlay { right: 0; top: 0; width: 240px; }
  .features {
    grid-template-columns: repeat(2, 1fr);
    padding: 40px 28px 16px;
    gap: 28px 24px;
  }
  .pricing-cta { padding: 0 28px; }
}

/* ===== responsive — mobile (~720px) ===== */
@media (max-width: 720px) {
  .site-header {
    flex-wrap: wrap;
    padding: 14px 20px;
    gap: 12px;
  }
  .primary-nav { order: 3; flex-basis: 100%; justify-content: flex-start; gap: 14px; font-size: 14px; }
  .auth-actions { gap: 12px; }
  .auth-actions .btn { padding: 10px 16px; font-size: 14px; }
  .link-login { font-size: 14px; }
  .hero { padding: 24px 20px; gap: 24px; }
  .hero h1 { font-size: 34px; }
  .hero .lead { font-size: 16px; }
  .cta-row .btn { flex: 1 1 100%; }
  .trust-points { gap: 14px; }
  .hero-figure .widget-overlay { width: 200px; right: -8px; }
  .features {
    grid-template-columns: 1fr;
    padding: 32px 20px 0;
    gap: 24px;
  }
  .pricing-cta { padding: 0 20px; margin-bottom: 40px; }
  .pricing-cta .strip { padding: 22px 22px; }
  .landing-footer { padding: 24px 20px; }
}