/* Kepter.Tech marketing site — shared styles (light theme) */

:root {
  --bg: #f6f7fa;
  --bg-elev: #eef0f5;
  --panel: #ffffff;
  --panel-2: #f4f6f9;
  --border: #e2e6ee;
  --border-soft: #e9ecf2;
  --text: #14181f;
  --muted: #5c6575;
  --faint: #8a93a3;
  --accent: #3f6df0;
  --accent-soft: rgba(63, 109, 240, 0.09);
  --green: #199d5c;
  --amber: #b45309;
  --red: #dc2626;
  --radius: 14px;
  --maxw: 1120px;
  --shadow: 0 1px 2px rgba(20, 24, 31, 0.04), 0 8px 24px rgba(20, 24, 31, 0.06);
  --font: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 68px;
}

.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.nav-logo img { height: 26px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: 12px;
}

.nav-links a {
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.active { color: var(--text); }

.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 10px 20px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2f5be0; }

.btn-ghost {
  background: var(--panel);
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--faint); background: var(--panel-2); }

.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 12px; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 18px;
  cursor: pointer;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 130%;
  background:
    radial-gradient(600px 400px at 20% 10%, rgba(63, 109, 240, 0.08), transparent 65%),
    radial-gradient(700px 500px at 85% 25%, rgba(25, 157, 92, 0.05), transparent 60%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: lowercase;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}

.hero-sub {
  font-size: 19px;
  color: var(--muted);
  max-width: 34em;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--muted);
}

/* Product mock card */

.mock {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 24px 60px rgba(20, 24, 31, 0.12);
}

.mock-title {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.mock-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 12px;
  padding: 13px 16px;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid;
}

.mock-banner .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.mock-banner small { display: block; font-weight: 400; opacity: 0.8; font-size: 12.5px; }

.mock-banner.red { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.mock-banner.red .dot { background: var(--red); }
.mock-banner.amber { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.mock-banner.amber .dot { background: #f59e0b; }
.mock-banner.green { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.mock-banner.green .dot { background: #22c55e; }

.mock-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }

.mock-tile {
  background: var(--panel-2);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 14px 16px;
}
.mock-tile .label { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.mock-tile .value { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }

/* ---------- Sections ---------- */

section { padding: 76px 0; }
section.tint { background: var(--bg-elev); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }

.section-head { max-width: 720px; margin-bottom: 48px; }

h2 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-head p { color: var(--muted); font-size: 17px; }

h3 { font-size: 20px; margin-bottom: 10px; letter-spacing: -0.01em; }

/* Module cards */

.module-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

.module-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}

.module-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.module-card h3 { font-size: 24px; }
.module-card > p { color: var(--muted); margin-bottom: 18px; font-size: 15.5px; }

.feature-list { list-style: none; }
.feature-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 15px;
}
.feature-list li::before {
  content: "[+]";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--green);
}
.feature-list li span { color: var(--muted); }

/* Cross-cutting features */

.every-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.every-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.every-card .glyph {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--accent);
  margin-bottom: 14px;
  display: block;
}
.every-card p { color: var(--muted); font-size: 14.5px; }

/* Security band */

.band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.band ul { list-style: none; margin-top: 8px; }
.band li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 15.5px;
}
.band li strong { color: var(--text); font-weight: 600; }
.band li::before {
  content: "[✓]";
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--green);
  top: 3px;
}

/* CTA band */

.cta-band {
  text-align: center;
  padding: 90px 0;
}
.cta-band h2 { margin-bottom: 12px; }
.cta-band p { color: var(--muted); font-size: 17px; margin-bottom: 30px; }

/* ---------- Pricing ---------- */

.page-hero { padding: 76px 0 30px; }
.page-hero h1 { font-size: clamp(34px, 5vw, 52px); }
.page-hero p { color: var(--muted); font-size: 18px; max-width: 42em; }

.draft-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 14px;
  margin-top: 22px;
}

.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 48px 0 10px; }

.price-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}
.price-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(63, 109, 240, 0.05), var(--panel) 45%);
  position: relative;
}
.price-card .plan-flag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 14px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.price-card h3 { font-size: 21px; }
.price-card .plan-desc { color: var(--muted); font-size: 14.5px; margin-bottom: 20px; min-height: 44px; }
.price { font-size: 42px; font-weight: 700; letter-spacing: -0.02em; line-height: 1; }
.price small { font-size: 15px; color: var(--muted); font-weight: 400; }
.price-alt { color: var(--muted); font-size: 13.5px; margin: 6px 0 22px; }
.price-card .feature-list { flex: 1; margin-bottom: 26px; }
.price-card .btn { width: 100%; }

/* FAQ */

.faq { max-width: 760px; }
.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  margin-bottom: 12px;
  padding: 0 20px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  padding: 18px 0;
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 14px;
  font-family: var(--mono);
  color: var(--muted);
  font-size: 20px;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding-bottom: 18px; font-size: 15px; }

/* ---------- Legal / prose pages ---------- */

.prose { max-width: 780px; padding-bottom: 90px; }
.prose h2 { font-size: 26px; margin: 44px 0 14px; }
.prose h3 { font-size: 19px; margin: 28px 0 10px; }
.prose p, .prose li { color: var(--muted); font-size: 15.5px; }
.prose p { margin-bottom: 14px; }
.prose ul { margin: 0 0 16px 22px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--text); }
.prose .meta { font-size: 14px; color: var(--faint); font-family: var(--mono); }

/* Security page pillars */

.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 44px; }
.pillar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.pillar .glyph { font-family: var(--mono); color: var(--accent); font-size: 14px; display: block; margin-bottom: 12px; }
.pillar p { color: var(--muted); font-size: 14.5px; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 46px 0 60px;
  background: var(--bg-elev);
}
.footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-brand img { height: 22px; margin-bottom: 12px; }
.footer-brand p { color: var(--muted); font-size: 14px; max-width: 30em; }
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-links .col h4 {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 12px;
  font-weight: 600;
}
.footer-links .col a { display: block; color: var(--text); font-size: 14.5px; margin-bottom: 9px; }
.footer-links .col a:hover { color: var(--accent); text-decoration: none; }
.footer-legal {
  margin-top: 38px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* Reveal animation */

/* Hidden-until-revealed only when JS is running (html.js set by site.js) */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 48px; }
  .module-grid, .pillars { grid-template-columns: 1fr; }
  .every-grid { grid-template-columns: 1fr 1fr; }
  .price-grid { grid-template-columns: 1fr; max-width: 460px; }
  .band { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px;
    gap: 16px;
    margin-left: 0;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-cta { margin-left: 0; }
  .nav-cta .btn-ghost { display: none; }
  .every-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  section { padding: 56px 0; }
}