/* ==========================================================================
   Darrel Euler — Risk Control
   Dark Cyber-Tech design system
   ========================================================================== */

:root {
  --bg-0: #060815;
  --bg-1: #0d1224;
  --bg-2: #10162c;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --cyan: #22d3ee;
  --cyan-soft: rgba(34, 211, 238, 0.5);
  --violet: #8b5cf6;
  --violet-soft: rgba(139, 92, 246, 0.5);
  --pink: #f472b6;

  --text-0: #f4f6fb;
  --text-1: #c7cee0;
  --text-2: #8b92ab;
  --text-3: #5b617a;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-glow: 0 0 0 1px var(--border), 0 20px 60px -20px rgba(0, 0, 0, 0.7);
  --shadow-card: 0 10px 30px -15px rgba(0, 0, 0, 0.6);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font-head: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--text-0);
  line-height: 1.2;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1.1em; }

::selection { background: var(--violet-soft); color: #fff; }

/* ---------- Background: animated gradient mesh + grid ---------- */

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 15% 10%, rgba(34, 211, 238, 0.16), transparent 60%),
    radial-gradient(50% 45% at 90% 15%, rgba(139, 92, 246, 0.18), transparent 60%),
    radial-gradient(55% 55% at 50% 100%, rgba(244, 114, 182, 0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 45%, var(--bg-2) 100%);
  animation: meshDrift 22s ease-in-out infinite alternate;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(65% 65% at 50% 30%, #000 35%, transparent 100%);
  opacity: 0.6;
}

#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.55;
  pointer-events: none;
}

@keyframes meshDrift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-1.5%, 1.5%, 0) scale(1.06); }
}

@media (prefers-reduced-motion: reduce) {
  .bg-mesh { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Layout ---------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 72px 0; }
.section-head { max-width: 640px; margin: 0 0 40px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px 2px var(--cyan-soft);
}

.grad-text {
  background: linear-gradient(90deg, var(--cyan), var(--violet) 55%, var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-0);
  cursor: pointer;
  transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.btn:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-soft);
  box-shadow: 0 0 0 1px var(--cyan-soft), 0 12px 30px -10px var(--cyan-soft);
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border-color: transparent;
  color: #06101a;
}
.btn-primary:hover {
  box-shadow: 0 0 0 1px rgba(255,255,255,0.2), 0 14px 34px -8px var(--violet-soft);
}

/* ---------- Navbar ---------- */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(6, 8, 21, 0.72);
  border-bottom: 1px solid var(--border);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--text-0);
}
.brand-mark {
  width: 34px; height: 34px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px var(--cyan-soft));
  transition: transform 0.4s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(-6deg) scale(1.05); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-1);
  position: relative;
  padding: 6px 0;
  transition: color 0.25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-0); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  border-radius: 2px;
}
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-0);
  align-items: center; justify-content: center;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed; inset: 74px 0 0 0;
    flex-direction: column; align-items: flex-start;
    gap: 4px; padding: 20px 24px 30px;
    background: rgba(6, 8, 21, 0.97);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  }
  .nav-links a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--border); }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-toggle { display: inline-flex; }
}

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

.hero {
  padding: 88px 0 60px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 4.4vw, 58px);
  margin-bottom: 22px;
}
.hero p.lead {
  font-size: 17.5px;
  color: var(--text-1);
  max-width: 46ch;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-panel {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 30px;
  background: linear-gradient(160deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-glow);
  transform-style: preserve-3d;
}
.hero-panel::before {
  content: "";
  position: absolute; inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--cyan-soft), transparent 40%, var(--violet-soft));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.hero-panel-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.hero-panel-row:last-child { border-bottom: none; }
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 var(--cyan-soft);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,211,238,0.55); }
  70% { box-shadow: 0 0 0 10px rgba(34,211,238,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---------- Cards / Grid ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 980px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid, .grid.cols-2 { grid-template-columns: 1fr; } }

.card {
  --mx: 50%;
  --my: 50%;
  position: relative;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.35s, box-shadow 0.35s;
  transform-style: preserve-3d;
  will-change: transform;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(220px circle at var(--mx) var(--my), rgba(34,211,238,0.14), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 24px 50px -20px rgba(0,0,0,0.65), 0 0 0 1px var(--cyan-soft);
}
.card:hover::before { opacity: 1; }

.card-media {
  aspect-ratio: 16/10;
  position: relative;
  background:
    radial-gradient(80% 100% at 20% 0%, var(--card-a, var(--cyan-soft)), transparent 60%),
    radial-gradient(80% 100% at 100% 100%, var(--card-b, var(--violet-soft)), transparent 60%),
    var(--bg-2);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s var(--ease);
}
.card:hover .card-media img { transform: scale(1.05); }
.card-media .glyph {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
  background: rgba(255,255,255,0.06);
}
.card-body { padding: 22px 22px 24px; }
.card-cat {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 10px;
}
.card h3 {
  font-size: 18.5px;
  margin-bottom: 10px;
}
.card h3 a { transition: color 0.2s; }
.card:hover h3 a { color: var(--cyan); }
.card p.excerpt {
  font-size: 14.5px;
  color: var(--text-2);
  margin-bottom: 14px;
}
.card-meta {
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px;
  color: var(--text-3);
}
.card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-3); }

/* Category color accents */
.cat-cybersecurity { --card-a: rgba(34,211,238,0.22); --card-b: rgba(34,211,238,0.05); }
.cat-artificial-intelligence { --card-a: rgba(139,92,246,0.24); --card-b: rgba(139,92,246,0.06); }
.cat-digital-transformation { --card-a: rgba(244,114,182,0.2); --card-b: rgba(139,92,246,0.08); }
.cat-e-commerce { --card-a: rgba(34,211,238,0.18); --card-b: rgba(244,114,182,0.1); }
.cat-remote-work { --card-a: rgba(139,92,246,0.2); --card-b: rgba(34,211,238,0.08); }
.cat-property { --card-a: rgba(251,191,36,0.22); --card-b: rgba(217,119,6,0.08); }
.cat-health { --card-a: rgba(244,114,182,0.2); --card-b: rgba(139,92,246,0.08); }

/* ---------- Category badges ---------- */

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  transition: all 0.25s;
}
.badge:hover, .badge.active {
  color: var(--text-0);
  border-color: var(--cyan-soft);
  box-shadow: 0 0 0 1px var(--cyan-soft) inset;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- Single article ---------- */

.post-hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
}
.post-hero .card-cat { font-size: 12.5px; }
.post-hero h1 { font-size: clamp(28px, 3.6vw, 44px); max-width: 22ch; }
.post-meta {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  color: var(--text-2); font-size: 14px; margin-top: 18px;
}
.post-cover {
  width: 100%;
  max-height: 440px;
  object-fit: contain;
  background: var(--bg-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glow);
  margin-top: 32px;
}
.avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 700; font-size: 13px; color: #06101a;
}

.post-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 56px;
  padding: 48px 0 80px;
}
@media (max-width: 940px) { .post-layout { grid-template-columns: 1fr; } }

.prose { max-width: 68ch; }
.prose h3 {
  font-size: 21px;
  margin-top: 1.6em;
  padding-left: 14px;
  border-left: 3px solid;
  border-image: linear-gradient(180deg, var(--cyan), var(--violet)) 1;
}
.prose p { color: var(--text-1); font-size: 16.5px; }
.prose img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  margin: 8px 0 28px;
}
.prose figure { margin: 8px 0 28px; }
.prose figure img { margin: 0 0 10px; }
.prose figcaption { font-size: 13.5px; color: var(--text-3); text-align: center; }
.prose blockquote {
  margin: 24px 0;
  padding: 4px 22px;
  border-left: 3px solid var(--cyan);
  color: var(--text-1);
  font-style: italic;
}
.prose ul, .prose ol { margin: 0 0 1.1em; padding-left: 1.3em; color: var(--text-1); }
.prose li { margin-bottom: 0.4em; }
.prose a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }

.sidebar-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 22px;
  margin-bottom: 24px;
}
.sidebar-card h4 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-2); margin-bottom: 16px;
}
.related-item { display: block; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.related-item:last-child { border-bottom: none; }
.related-item:hover { color: var(--cyan); }

/* ---------- Forms ---------- */

.form-field { margin-bottom: 18px; }
.form-field label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--text-2); margin-bottom: 8px;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.form-field input, .form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.03);
  color: var(--text-0);
  font: inherit;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--cyan-soft);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.15);
}
.form-note { font-size: 13px; color: var(--text-3); margin-top: 10px; }
.form-status { font-size: 14px; margin-top: 14px; display: none; }
.form-status.show { display: block; }
.form-status.ok { color: var(--cyan); }

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

.site-footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 {
  font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-2); margin-bottom: 16px;
}
.footer-grid a {
  display: block; padding: 6px 0;
  font-size: 14px; color: var(--text-1);
  transition: color 0.2s;
}
.footer-grid a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 26px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-3); flex-wrap: wrap; gap: 12px;
}

/* ---------- Pagination ---------- */

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 48px; }
.pagination a, .pagination span {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 14px; font-weight: 600;
}
.pagination a:hover { border-color: var(--cyan-soft); color: var(--cyan); }
.pagination .current { border-color: var(--cyan-soft); color: var(--cyan); background: rgba(34,211,238,0.08); }

/* ---------- Reveal-on-scroll ---------- */

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- Static page prose ---------- */

.page-hero { padding: 70px 0 30px; text-align: center; }
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); }
.page-hero p { max-width: 56ch; margin: 0 auto; color: var(--text-2); }

.static-content { padding: 20px 0 80px; }
.static-content .prose { max-width: 74ch; margin: 0 auto; }
.static-content .prose h2 { font-size: 24px; margin-top: 1.4em; }

.empty-state {
  text-align: center; padding: 80px 20px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  color: var(--text-2);
}