/* ============================================================
   CyberTroopz — site styles
   Sections: tokens · base · nav · hero · sections · cards
             use-cases · steps · faq · cta-band · forms
             footer · responsive
   ============================================================ */

/* ---------- tokens ---------- */
:root {
  --bg: #0b0f17;
  --bg-soft: #111827;
  --text: #e8ecf3;
  --muted: #9aa4b5;
  --accent: #7c5cff;
  --accent-soft: rgba(124, 92, 255, 0.12);
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --wrap: 1080px;
  --wrap-narrow: 720px;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: inherit; }
img { max-width: 100%; }

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

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.75em;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 26px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { background: #6a4de0; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { background: var(--bg-soft); }
.btn-small { padding: 8px 18px; font-size: 0.9rem; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 23, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  min-width: 0;
}
.brand-logo {
  height: 34px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.brand-name { font-weight: 800; font-size: 1.1rem; letter-spacing: 0.02em; }
.links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}
.links a { text-decoration: none; color: var(--muted); font-weight: 600; }
.links a:hover { color: var(--text); }
.links .btn { color: #fff; }
.menu-btn {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1.25rem;
  padding: 6px 12px;
  cursor: pointer;
}

/* ---------- hero ---------- */
.hero {
  padding: 96px 0 72px;
  background:
    radial-gradient(600px 300px at 20% 0%, var(--accent-soft), transparent),
    var(--bg);
}
.hero-inner { max-width: var(--wrap-narrow); }
.hero .lede { font-size: 1.2rem; color: var(--muted); max-width: 34em; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 20px; }
.proof-line { color: var(--muted); font-size: 0.92rem; }

/* ---------- sections ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-soft); }
.section-lede { color: var(--muted); max-width: 42em; font-size: 1.05rem; }

/* ---------- cards ---------- */
.grid { display: grid; gap: 20px; margin-top: 32px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.section-alt .card { background: var(--bg); }
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--muted); }
.card-featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-soft), var(--bg) 60%);
}
.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.6em;
}

/* ---------- process steps ---------- */
.steps { list-style: none; margin-top: 32px; padding: 0; }
.step {
  border-top: 2px solid var(--accent);
  padding-top: 16px;
}
.step-num {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.4em;
}
.step p:last-child { color: var(--muted); margin-bottom: 0; }

/* ---------- accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
section[id] { scroll-margin-top: 80px; }

/* ---------- use cases ---------- */
.use-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
}
.use-list li {
  position: relative;
  padding-left: 32px;
}
.use-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.use-list strong { display: block; margin-bottom: 2px; }
.use-list span { color: var(--muted); font-size: 0.95rem; }

.card p strong { color: var(--text); }
.result {
  border-left: 3px solid var(--accent);
  padding-left: 14px;
  margin-top: 14px;
}
.result strong { color: var(--text); }

/* ---------- team ---------- */
.team-grid { max-width: 860px; }
.team-card { text-align: left; }
.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 14px;
}

/* ---------- faq ---------- */
.faq { margin-top: 28px; display: grid; gap: 12px; }
.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 0 20px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  padding: 18px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 400;
  flex-shrink: 0;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding: 0 0 18px; margin: 0; }
.faq details p strong { color: var(--text); }

/* ---------- cta band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--accent-soft), transparent),
    var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 0;
  text-align: center;
}
.cta-band-inner p { color: var(--muted); font-size: 1.05rem; }
.cta-center { justify-content: center; margin-top: 36px; }

/* ---------- forms ---------- */
.contact-form { display: grid; gap: 18px; margin-top: 28px; }
.contact-form label { display: grid; gap: 6px; font-weight: 600; }
.contact-form input,
.contact-form textarea {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
  width: 100%;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}
.form-note { color: var(--muted); font-size: 0.92rem; min-height: 1.4em; }
.privacy-note { color: var(--muted); font-size: 0.85rem; }
.privacy-note a { color: var(--accent); }

/* ---------- legal pages ---------- */
.legal { padding: 64px 0 96px; }
.legal h1 { margin-bottom: 0.4em; }
.legal h2 { font-size: 1.25rem; margin-top: 1.8em; }
.legal p, .legal li { color: var(--muted); }
.legal ul { padding-left: 1.4em; }
.legal a { color: var(--accent); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.footer p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.92rem; text-decoration: none; }
.footer-links a:hover { color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .cards-3, .cards-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .hero { padding: 64px 0 48px; }
  .section { padding: 52px 0; }
  .cards-3, .cards-2, .cards-4 { grid-template-columns: 1fr; }
  .use-list { grid-template-columns: 1fr; }

  .menu-btn { display: block; }
  .links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px;
  }
  .links.open { display: flex; }
  .links a { padding: 12px 0; border-top: 1px solid var(--border); }
  .links .btn { text-align: center; margin-top: 12px; }
  .nav { position: sticky; }
  .nav-inner { position: relative; }
  .brand-name { font-size: 1rem; }
  .brand-logo { height: 30px; }
}