/* ══════════════════════════════════════════
   ClarenSec V2 Design System
   ══════════════════════════════════════════ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");
@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&display=swap");

:root {
  /* ── Backgrounds ── */
  --bg-primary: #0b1120;
  --bg-surface: #111827;
  --bg-surface-2: #1a2236;
  --bg-surface-hover: #1f2b42;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;

  /* ── Text ── */
  --text-primary: #f1f5f9;
  --text-secondary: #8892a4;
  --text-muted: #64748b;
  --text-dark: #0f172a;
  --text-dark-secondary: #475569;

  /* ── Brand ── */
  --accent: #7c3aed;
  --accent-light: #a78bfa;
  --accent-glow: rgba(124, 58, 237, 0.15);
  --accent-magenta: #d946ef;
  --accent-magenta-glow: rgba(217, 70, 239, 0.12);
  --accent-secondary: #f194b4;
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.12);
  --gradient-brand: linear-gradient(135deg, #7c3aed 0%, #a855f7 40%, #d946ef 70%, #ec4899 100%);
  --gradient-brand-subtle: linear-gradient(135deg, rgba(124,58,237,0.15) 0%, rgba(217,70,239,0.1) 50%, rgba(236,72,153,0.08) 100%);

  /* ── Legacy ── */
  --primary-color: #14061c;
  --clr-accent: #471863;
  --secondary-color: #f194b4;

  /* ── Borders ── */
  --border: #1e293b;
  --border-light: #e2e8f0;

  /* ── Spacing ── */
  --section-pad: clamp(4rem, 8vw, 7rem);
  --content-max: 1200px;
  --content-wide: 1400px;

  /* ── Theme toggle transition ── */
  --theme-transition: 0.3s ease;
}

/* ════════════════════════════════
   LIGHT MODE
   ════════════════════════════════ */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-2: #f1f5f9;
  --bg-surface-hover: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent: #7c3aed;
  --accent-light: #7c3aed;
  --accent-glow: rgba(124, 58, 237, 0.08);
  --accent-magenta-glow: rgba(217, 70, 239, 0.06);
  --accent-cyan-glow: rgba(6, 182, 212, 0.06);
  --border: #e2e8f0;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--theme-transition), color var(--theme-transition);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
.mono { font-family: "JetBrains Mono", monospace; }
.serif-accent { font-family: "Lora", serif; font-style: italic; }

/* ── Layout ── */
.container { max-width: var(--content-max); margin: 0 auto; padding: 0 1.5rem; }
.container-wide { max-width: var(--content-wide); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: var(--section-pad) 0; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.25), 0 4px 16px rgba(217, 70, 239, 0.15);
  filter: brightness(1.1);
}
.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.btn-white {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}
.btn:hover svg { transform: translateX(3px); }

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: all 0.3s ease;
}
.nav.scrolled {
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta { margin-left: 1rem; }

/* Mobile nav */
.nav-toggle { display: none; }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none !important; }
  .nav-toggle { display: block; }
  .nav-toggle svg { width: 28px; height: 28px; stroke: var(--text-primary); }
  .theme-toggle { margin-left: 0; }
}

/* ── Theme toggle ── */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  margin-left: 0.5rem;
  background: transparent;
}
.theme-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-secondary);
  fill: none;
  stroke-width: 2;
  transition: stroke 0.2s;
}
.theme-toggle:hover svg { stroke: var(--accent-light); }
/* Show/hide icons based on theme */
.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }

/* ── Light mode nav ── */
[data-theme="light"] .nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--border);
}

/* ── Light mode cards ── */
[data-theme="light"] .card {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .card:hover {
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.1);
}

/* ── Light mode logo scroll images ── */
[data-theme="light"] .logo-scroll img {
  filter: none;
  opacity: 0.5;
}
[data-theme="light"] .logo-scroll img:hover { opacity: 0.85; }

/* ── Light mode cert marquee ── */
[data-theme="light"] .cert-item {
  background: var(--bg-surface-2);
}

/* ── Light mode footer ── */
[data-theme="light"] .footer {
  background: #0f172a;
  border-top-color: #1e293b;
}
[data-theme="light"] .footer,
[data-theme="light"] .footer-col a,
[data-theme="light"] .footer-col p { color: #94a3b8; }
[data-theme="light"] .footer-col h4 { color: #f1f5f9; }
[data-theme="light"] .footer-col a:hover { color: #a78bfa; }
[data-theme="light"] .footer-bottom { border-top-color: #1e293b; }
[data-theme="light"] .footer-bottom p { color: #64748b; }
[data-theme="light"] .footer-socials a { border-color: #334155; }
[data-theme="light"] .footer-socials svg { fill: #94a3b8; }
[data-theme="light"] .footer-socials a:hover { border-color: #7c3aed; background: rgba(124,58,237,0.15); }
[data-theme="light"] .footer-socials a:hover svg { fill: #a78bfa; }

/* ── Logo bar (trust strip) ── */
.logo-bar {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.logo-bar p {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 2rem;
}
.logo-scroll {
  display: flex;
  align-items: center;
  gap: 4rem;
  animation: scroll-logos 30s linear infinite;
  width: max-content;
}
@keyframes scroll-logos {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.logo-scroll img {
  height: 28px;
  filter: brightness(1.8) saturate(0.3);
  opacity: 0.6;
  transition: opacity 0.3s, filter 0.3s;
}
.logo-scroll img:hover { opacity: 0.9; filter: brightness(1.8) saturate(0.5); }

/* ── Stats row ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
}
@media (max-width: 640px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
.stat-item { text-align: center; }
.stat-item .number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  font-family: "Inter", sans-serif;
}
.stat-item .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  line-height: 1.4;
}

/* ── Cards ── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s ease;
}
.card:hover {
  border-color: rgba(109, 40, 217, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* ── Badge / pill ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge-accent {
  background: var(--accent-glow);
  color: var(--accent-light);
  border: 1px solid rgba(109, 40, 217, 0.25);
}
.badge-cyan {
  background: var(--accent-cyan-glow);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

/* ── Section headers ── */
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-light);
  margin-bottom: 1rem;
}
.section-title {
  margin-bottom: 1.25rem;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ── Gradient accents ── */
.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-border {
  position: relative;
}
.gradient-border::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
}

/* ── Glow effects ── */
.glow-accent {
  box-shadow: 0 0 60px var(--accent-glow), 0 0 120px rgba(109, 40, 217, 0.05);
}

/* ── Divider ── */
.divider {
  width: 48px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
  margin: 2rem 0;
}

/* ── Footer ── */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; margin-bottom: 2rem; }
  .footer-grid .footer-col:first-child { grid-column: 1 / -1; }
  .footer-col h4 { margin-bottom: 0.75rem; }
  .footer-col a, .footer-col p { margin-bottom: 0.4rem; font-size: 0.8rem; }
}
.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}
.footer-col a, .footer-col p {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.75rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-socials {
  display: flex;
  gap: 1rem;
}
.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.footer-socials a:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.footer-socials svg {
  width: 16px;
  height: 16px;
  fill: var(--text-muted);
}
.footer-socials a:hover svg { fill: var(--accent-light); }

/* ── Utility ── */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.grid { display: grid; }
.hidden { display: none; }

/* ── Animations ── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}
.animate-fade-up {
  opacity: 0;
  animation: fade-up 0.7s ease-out forwards;
}
.animate-fade-up-delay-1 { animation-delay: 0.15s; }
.animate-fade-up-delay-2 { animation-delay: 0.3s; }
.animate-fade-up-delay-3 { animation-delay: 0.45s; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .section { padding: clamp(3rem, 6vw, 5rem) 0; }
  .stats-row { gap: 1.5rem; }
}