/* ============================================================
   FamilyShield AI - dedicated landing page
   Extends the Kylume design system (see ../styles.css for tokens)
   ============================================================ */

/* ---------- hero ---------- */

.fs-hero {
  padding: 64px 0 76px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 900px) {
  .fs-hero { grid-template-columns: 1.05fr 0.85fr; gap: 30px; padding: 84px 0 96px; }
}

.fs-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 6.4vw, 64px);
  line-height: 1.03;
  letter-spacing: -0.025em;
  margin: 18px 0 10px;
}

.fs-hero .fs-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--shield-teal);
  margin: 0 0 22px;
}

.fs-hero p.lede {
  font-size: clamp(15.5px, 1.8vw, 18px);
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 54ch;
  margin: 0 0 34px;
}

.fs-hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.fs-hero .fs-trust-note { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); }

.fs-hero-visual { display: flex; justify-content: center; }
.fs-hero-visual img {
  width: 100%;
  max-width: 260px;
  border-radius: 16px;
  box-shadow: 6px 8px 0 var(--shadow-color);
}
@media (min-width: 900px) {
  .fs-hero-visual img { max-width: 340px; box-shadow: 8px 10px 0 var(--shadow-color); }
}
@media (min-width: 1200px) {
  .fs-hero-visual img { max-width: 400px; }
}

/* ---------- shared section shell ---------- */

.fs-section { padding: 68px 0; border-top: 1px solid var(--border); }
.fs-section.no-border { border-top: none; }
.fs-section .block-head { margin: 0 0 12px; }

.fs-section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 22ch;
}

.fs-section p.desc { font-size: 16.5px; line-height: 1.6; color: var(--text-dim); max-width: 62ch; margin: 0 0 36px; }

/* ---------- the problem ---------- */

.fs-problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 8px;
}
@media (min-width: 720px) { .fs-problem-grid { grid-template-columns: repeat(5, 1fr); } }

.fs-problem-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 16px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
}

.fs-problem-statement {
  background: var(--deep-navy);
  border: 1px solid rgba(47,122,120,0.25);
  border-radius: 20px;
  padding: 36px 32px;
  margin-top: 28px;
  color: var(--ivory);
}
:root[data-theme="light"] .fs-problem-statement { background: var(--ink-navy); }
.fs-problem-statement p {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.4;
  margin: 0;
  max-width: 46ch;
}
.fs-problem-statement .accent-teal { color: var(--shield-teal); }

/* ---------- feature / system cards ---------- */

.fs-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) { .fs-feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .fs-feature-grid { grid-template-columns: repeat(3, 1fr); } }

.fs-feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 24px;
  transition: transform .3s var(--ease-calm), border-color .3s var(--ease-calm);
}
.fs-feature-card:hover { transform: translateY(-3px); border-color: rgba(47,122,120,0.35); }

.fs-feature-card .fs-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(47,122,120,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--shield-teal);
}
.fs-feature-card .fs-icon svg { width: 16px; height: 16px; }

.fs-feature-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 18px; margin: 0 0 8px; letter-spacing: -0.01em; }
.fs-feature-card p { font-size: 14px; line-height: 1.55; color: var(--text-faint); margin: 0; }

/* ---------- 30-minute timeline ---------- */

.fs-timeline { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }

.fs-timeline-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  align-items: center;
  gap: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 20px;
}
.fs-timeline-row.is-last { background: rgba(47,122,120,0.08); border-color: rgba(47,122,120,0.3); }

.fs-timeline-time {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12.5px;
  color: var(--signal-amber);
  letter-spacing: 0.01em;
}
.fs-timeline-row.is-last .fs-timeline-time { color: var(--shield-teal); }

.fs-timeline-label { font-family: var(--font-display); font-weight: 600; font-size: 16px; }

.fs-timeline-note {
  margin-top: 26px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 56ch;
}
.fs-timeline-note strong { color: var(--text); }

/* ---------- what you get ---------- */

.fs-includes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 640px) { .fs-includes-grid { grid-template-columns: repeat(2, 1fr); } }

.fs-includes-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
}
.fs-includes-item .fs-check {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 100px;
  background: rgba(47,122,120,0.15);
  color: var(--shield-teal);
  display: flex;
  align-items: center;
  justify-content: center;
}
.fs-includes-item .fs-check svg { width: 12px; height: 12px; }

.fs-includes-item.fs-includes-note {
  grid-column: 1 / -1;
  background: rgba(47,122,120,0.08);
  border-color: rgba(47,122,120,0.3);
  color: var(--shield-teal);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ---------- who it's for ---------- */

.fs-audience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 640px) { .fs-audience-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .fs-audience-grid { grid-template-columns: repeat(4, 1fr); } }

.fs-audience-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 20px;
}
.fs-audience-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 16.5px; margin: 0 0 8px; }
.fs-audience-card p { font-size: 13.5px; line-height: 1.5; color: var(--text-faint); margin: 0; }

/* ---------- stop / verify / protect ---------- */

.fs-principle {
  background: var(--deep-navy);
  border-radius: 24px;
  padding: 72px 30px;
  text-align: center;
  overflow: hidden;
  position: relative;
}
:root[data-theme="light"] .fs-principle { background: var(--ink-navy); }

.fs-principle-words {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 9vw, 92px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}
.fs-principle-words span { display: block; }
.fs-principle-words .w-stop { color: var(--alert-red); }
.fs-principle-words .w-verify { color: var(--signal-amber); }
.fs-principle-words .w-protect { color: var(--shield-teal); }

.fs-principle p.fs-principle-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(242,238,228,0.78);
  max-width: 44ch;
  margin: 26px auto 0;
  line-height: 1.6;
}

/* ---------- final CTA ---------- */

.fs-final {
  background: var(--surface);
  border: 1px solid rgba(245,178,62,0.18);
  border-radius: 22px;
  padding: 64px 36px;
  text-align: center;
}

.fs-final h2 { max-width: 20ch; margin-left: auto; margin-right: auto; }
.fs-final p.desc { margin-left: auto; margin-right: auto; }

.fs-final .cta-row { display: flex; justify-content: center; margin-bottom: 18px; }
.fs-final .fs-trust-note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- nav active state ---------- */

nav.primary a.is-active,
.footer-links a.is-active { color: var(--shield-teal); }