/* ============================================
   CYBERSOCIAL PVT LTD — Design System
   Case-file / chain-of-custody visual language
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color tokens */
  --graphite: #12161B;
  --graphite-2: #1B2229;
  --graphite-3: #232B33;
  --steel: #3A4A5A;
  --steel-soft: #2A3541;
  --paper: #EEEEE8;
  --paper-2: #E4E4DC;
  --ink: #14181C;
  --ink-soft: #4A535B;
  --case-blue: #3E5C76;
  --case-blue-bright: #5A82A8;
  --evidence-amber: #C98A2D;
  --evidence-amber-bright: #E0A64A;
  --alert-red: #B5432F;
  --line: rgba(255,255,255,0.09);
  --line-dark: rgba(20,24,28,0.12);

  /* Type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--evidence-amber);
  outline-offset: 2px;
}

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 32px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--evidence-amber);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--evidence-amber);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.12;
}

h1 { font-size: clamp(2.4rem, 4.6vw, 3.9rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.3rem; }

p.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 56ch; }

.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }

.dark { background: var(--graphite); color: var(--paper); }
.dark p, .dark p.lead { color: rgba(238,238,232,0.68); }
.dark h1, .dark h2, .dark h3, .dark h4 { color: var(--paper); }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 14px 26px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--evidence-amber);
  color: var(--graphite);
  font-weight: 600;
}
.btn-primary:hover { background: var(--evidence-amber-bright); transform: translateY(-1px); }
.btn-outline {
  border-color: var(--steel);
  color: var(--paper);
}
.dark .btn-outline { color: var(--paper); border-color: rgba(238,238,232,0.28); }
.btn-outline:hover { border-color: var(--evidence-amber); color: var(--evidence-amber); }
body:not(.dark-page) .btn-outline { border-color: var(--steel); color: var(--ink); }

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--graphite);
  border-bottom: 1px solid var(--line);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--paper);
}
.brand-mark {
  width: 36px; height: 36px;
  border-radius: 7px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--graphite-3);
  border: 1px solid var(--line);
}
.brand-mark img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.brand .sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--case-blue-bright);
  text-transform: uppercase;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  gap: 36px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-links a {
  color: rgba(238,238,232,0.68);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--paper);
  border-color: var(--evidence-amber);
}
.nav-cta { display: flex; align-items: center; gap: 20px; }
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 32px; height: 24px; position: relative;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: ''; position: absolute; left: 0; right: 0; height: 2px;
  background: var(--paper); transition: transform 0.2s ease;
}
.nav-toggle::before { top: 0; }
.nav-toggle span { top: 11px; }
.nav-toggle::after { bottom: 0; }

@media (max-width: 880px) {
  .nav-links { position: fixed; top: 76px; left: 0; right: 0; bottom: 0;
    background: var(--graphite); flex-direction: column; gap: 0;
    padding: 20px 32px; transform: translateX(100%); transition: transform 0.25s ease; }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { padding: 16px 0; border-bottom: 1px solid var(--line); width: 100%; }
  .nav-toggle { display: block; }
  .nav-cta .btn-primary { display: none; }
}

/* ---------- Case tag / stamp motif (signature element) ---------- */
.case-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--case-blue-bright);
  border: 1px solid var(--steel);
  padding: 5px 12px 5px 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.case-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--evidence-amber);
}
body:not(.dark-page) .case-tag { color: var(--case-blue); border-color: var(--steel); }

/* ---------- Terminal / log widget ---------- */
.terminal {
  background: var(--graphite-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  font-family: var(--font-mono);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5);
}
.terminal-head {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--graphite-3);
}
.terminal-head .dots { display: flex; gap: 6px; }
.terminal-head .dots span { width: 9px; height: 9px; border-radius: 50%; background: var(--steel); }
.terminal-head .label {
  font-size: 11px; color: rgba(238,238,232,0.5); letter-spacing: 0.06em; margin-left: 6px;
}
.terminal-body { padding: 22px 20px; min-height: 220px; }
.log-line {
  display: flex; gap: 14px; font-size: 12.5px; padding: 7px 0;
  opacity: 0; transform: translateY(4px);
  animation: logIn 0.4s ease forwards;
  border-bottom: 1px dashed rgba(255,255,255,0.06);
}
.log-line:last-child { border-bottom: none; }
.log-line .t { color: var(--case-blue-bright); flex-shrink: 0; }
.log-line .stage { color: var(--evidence-amber); flex-shrink: 0; width: 108px; }
.log-line .desc { color: rgba(238,238,232,0.72); }
@keyframes logIn { to { opacity: 1; transform: translateY(0); } }

/* ---------- Cards / folder tabs ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 880px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.folder-card {
  background: var(--graphite-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 34px 28px;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.folder-card:hover { border-color: var(--evidence-amber); transform: translateY(-3px); }
.folder-card .tab {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--case-blue-bright);
  letter-spacing: 0.08em;
  margin-bottom: 18px;
  display: block;
}
.folder-card h3 { color: var(--paper); margin-bottom: 12px; }
.folder-card p { color: rgba(238,238,232,0.64); font-size: 0.95rem; }
.folder-card .num {
  position: absolute; top: 28px; right: 28px;
  font-family: var(--font-mono); font-size: 11px; color: var(--steel);
}

.light-card {
  background: #fff;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  padding: 30px 26px;
}
.light-card .tab {
  font-family: var(--font-mono); font-size: 11px; color: var(--case-blue);
  letter-spacing: 0.08em; margin-bottom: 16px; display: block;
}
.light-card h3 { margin-bottom: 10px; }
.light-card p { color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--graphite);
  color: rgba(238,238,232,0.6);
  padding: 64px 0 28px;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 18px;
}
.footer-grid ul li { margin-bottom: 10px; font-size: 14px; }
.footer-grid ul li a:hover { color: var(--evidence-amber); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; font-family: var(--font-mono); font-size: 11.5px;
  flex-wrap: wrap; gap: 12px;
}

/* ---------- Utility ---------- */
.stat-row { display: flex; gap: 48px; flex-wrap: wrap; }
.stat b { font-family: var(--font-display); font-size: 2.2rem; display: block; color: var(--evidence-amber); }
.stat span { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: rgba(238,238,232,0.55); }

.divider-line { height: 1px; background: var(--line); width: 100%; }

.page-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--case-blue-bright);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

table.rulesheet { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
table.rulesheet th, table.rulesheet td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line-dark); }
table.rulesheet th { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--case-blue); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table.rulesheet { min-width: 480px; }

/* ---------- Responsive split layouts (replace inline grid-template-columns) ---------- */
.split-hero,
.split-even,
.split-contact,
.service-row {
  display: grid;
  gap: 56px;
}
.split-hero { grid-template-columns: 1.05fr 0.95fr; align-items: center; }
.split-even { grid-template-columns: 1fr 1fr; }
.split-contact { grid-template-columns: 1fr 1.3fr; }
.service-row { grid-template-columns: 1fr 2fr; }

@media (max-width: 880px) {
  .split-hero, .split-even, .split-contact, .service-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ============================================
   MOBILE OPTIMIZATION
   ============================================ */
@media (max-width: 880px) {
  .wrap { padding: 0 20px; }

  .section { padding: 64px 0; }
  .section-tight { padding: 44px 0; }
  .page-hero { padding: 48px 0 40px; }

  header.dark.hero-header { padding: 56px 0 60px !important; }

  h1 { font-size: clamp(2rem, 8vw, 2.6rem); }
  h2 { font-size: clamp(1.6rem, 6vw, 2rem); }
  p.lead { font-size: 1.02rem; }

  .stat-row { gap: 28px; }
  .stat b { font-size: 1.7rem; }

  .folder-card, .light-card { padding: 26px 22px !important; }
  .folder-card .num { top: 20px; right: 20px; }

  .terminal-body { padding: 18px 16px; min-height: 0; }
  .log-line { flex-wrap: wrap; gap: 4px 12px; font-size: 11.5px; }
  .log-line .stage { width: auto; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }

  .brand .sub { font-size: 8.5px; }
}

@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand span > .sub { display: block; }
  .brand { font-size: 1rem; }
  .brand-mark { width: 30px; height: 30px; }
  .btn { padding: 12px 20px; font-size: 12px; }
  .case-tag { font-size: 10.5px; padding: 4px 10px 4px 8px; }
  section[style*="justify-content:space-between"] .wrap,
  .site-footer .footer-bottom { text-align: left; }
}