/* ═══════════════════════════════════════════════════════════════════════
   KYVRONIX TECHNOLOGIES — Sub-Pages Shared Styles
   Used by: /projects/*, /founder, /blog
   ═══════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
  --bg:        #04040d;
  --surface:   #0d0d20;
  --surface-2: #12122a;
  --border:    rgba(255,255,255,0.07);
  --text-1:    #f8fafc;
  --text-2:    #94a3b8;
  --text-3:    #475569;
  --violet:    #7c3aed;
  --violet-l:  #a78bfa;
  --violet-ll: #c4b5fd;
  --cyan:      #06b6d4;
  --logo-cyan: #4FC8FF;
  --logo-blue: #185FA5;
  --emerald:   #10b981;
  --amber:     #f59e0b;
  --rose:      #f43f5e;
  --r-sm:      8px;
  --r-md:      12px;
  --r-lg:      20px;
  --r-xl:      28px;
  --ease-out:  cubic-bezier(0.22,1,0.36,1);
  --ease-in:   cubic-bezier(0.4,0,1,1);
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text-1);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5 { font-family: 'Bricolage Grotesque', sans-serif; line-height: 1.15; }
code, pre, .mono { font-family: 'JetBrains Mono', monospace; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── NAV ────────────────────────────────────────────────────────────── */
.sub-nav {
  position: fixed; top: 1.2rem; left: 50%; transform: translateX(-50%);
  z-index: 1000;
  display: flex; align-items: center; gap: 2rem;
  padding: 0.65rem 1.5rem;
  background: rgba(4,4,13,0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 100px;
  white-space: nowrap;
}
.sub-nav-logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700; font-size: 1rem;
  color: var(--text-1);
}
.sub-nav-logo span { color: var(--logo-cyan) !important; }
.logo-r { color: var(--logo-cyan) !important; }
.sub-nav-back {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.8rem; color: var(--text-2);
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.2s;
}
.sub-nav-back:hover { color: var(--text-1); border-color: var(--violet); }
.sub-nav-back svg { width: 13px; height: 13px; }

/* ── HERO ────────────────────────────────────────────────────────────── */
.page-hero {
  padding: 10rem 0 6rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 60% 30%, rgba(124,58,237,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-eyebrow-row {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 1.5rem; flex-wrap: wrap;
}
.eyebrow-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  border: 1px solid;
}
.eyebrow-chip.chip-cat    { background: rgba(124,58,237,0.12); border-color: rgba(167,139,250,0.3); color: var(--violet-ll); }
.eyebrow-chip.chip-date   { background: rgba(6,182,212,0.1);  border-color: rgba(6,182,212,0.3);  color: var(--cyan); }
.eyebrow-chip.chip-live   { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: var(--emerald); }
.eyebrow-chip .chip-pulse {
  width: 6px; height: 6px; border-radius: 50%; background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

.page-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.page-title .g { 
  background: linear-gradient(135deg, var(--violet-l), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-tagline {
  font-size: 1.15rem; color: var(--text-2); max-width: 680px;
  line-height: 1.7; margin-bottom: 2.5rem;
}

/* Metrics strip */
.hero-metrics {
  display: flex; gap: 0; margin-top: 3rem;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  flex-wrap: wrap;
}
.hero-metric-item {
  flex: 1; min-width: 120px;
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--border);
}
.hero-metric-item:last-child { border-right: none; }
.hm-val {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.8rem; font-weight: 800;
  background: linear-gradient(135deg, var(--violet-l), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hm-lab { font-size: 0.75rem; color: var(--text-3); margin-top: 0.2rem; }

/* Tech badge strip */
.tech-strip {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem;
}
.tech-badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.75rem; font-weight: 500;
  padding: 0.3rem 0.75rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 100px; color: var(--text-2);
  transition: all 0.2s;
}
.tech-badge:hover { border-color: rgba(167,139,250,0.4); color: var(--violet-ll); }

/* ── CONTENT SECTIONS ────────────────────────────────────────────────── */
.content-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}
.content-section:first-of-type { border-top: none; }

.section-label {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--violet-l);
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  width: 16px; height: 1px; background: var(--violet-l);
}

.cs-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700; margin-bottom: 1.25rem; letter-spacing: -0.02em;
}
.cs-body {
  color: var(--text-2); line-height: 1.85; max-width: 720px;
  font-size: 1.025rem;
}
.cs-body + .cs-body { margin-top: 1rem; }

/* Two-column layout */
.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start;
}
@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; gap: 2rem; } }

/* ── HIGHLIGHT BOXES ─────────────────────────────────────────────────── */
.highlight-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  margin-top: 1.5rem;
}
.highlight-box-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--violet-l);
  margin-bottom: 1rem;
}

/* ── PROBLEM / SOLUTION CARDS ────────────────────────────────────────── */
.problem-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem; margin-top: 2rem;
}
.problem-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 1.5rem;
  transition: all 0.3s var(--ease-out);
}
.problem-card:hover {
  border-color: rgba(167,139,250,0.25);
  transform: translateY(-3px);
}
.prob-icon {
  font-size: 1.5rem; margin-bottom: 0.75rem;
}
.prob-title { font-weight: 600; margin-bottom: 0.4rem; font-size: 0.925rem; }
.prob-desc  { font-size: 0.85rem; color: var(--text-2); line-height: 1.6; }

/* ── ARCHITECTURE / CODE BLOCKS ──────────────────────────────────────── */
.arch-block {
  background: #0a0a18;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: 2rem;
}
.arch-block-header {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.arch-block-dot { width: 10px; height: 10px; border-radius: 50%; }
.arch-block-dot.rd { background: #ff5f57; }
.arch-block-dot.am { background: #febc2e; }
.arch-block-dot.gr { background: #28c840; }
.arch-block-filename {
  margin-left: 0.5rem; font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; color: var(--text-3);
}
.arch-block pre {
  padding: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem; line-height: 1.7;
  color: var(--text-2);
  overflow-x: auto;
  white-space: pre;
}
.arch-block pre .kw { color: #c792ea; }
.arch-block pre .fn { color: #82aaff; }
.arch-block pre .st { color: #c3e88d; }
.arch-block pre .cm { color: #546e7a; font-style: italic; }
.arch-block pre .nu { color: #f78c6c; }

/* ── FEATURE LIST ─────────────────────────────────────────────────────── */
.feat-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.5rem; }
.feat-list li {
  display: flex; gap: 0.75rem; align-items: flex-start;
  padding: 1rem 1.25rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); font-size: 0.9rem; color: var(--text-2);
  transition: all 0.2s;
}
.feat-list li:hover { border-color: rgba(167,139,250,0.2); color: var(--text-1); }
.feat-icon {
  flex-shrink: 0; width: 20px; height: 20px; margin-top: 1px;
  color: var(--violet-l);
}

/* ── TECH TABLE ──────────────────────────────────────────────────────── */
.tech-table {
  width: 100%; border-collapse: collapse;
  margin-top: 1.5rem; font-size: 0.875rem;
}
.tech-table th, .tech-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.tech-table th {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-3);
  background: var(--surface);
}
.tech-table td { color: var(--text-2); }
.tech-table td:first-child { color: var(--text-1); font-weight: 500; }
.tech-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ── CTA / LINK BLOCK ────────────────────────────────────────────────── */
.link-grid {
  display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem;
}
.link-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: 100px;
  font-size: 0.875rem; font-weight: 600;
  transition: all 0.2s var(--ease-out);
  cursor: pointer;
}
.link-btn.btn-primary {
  background: var(--violet); color: #fff;
}
.link-btn.btn-primary:hover { background: #6d28d9; transform: translateY(-1px); }
.link-btn.btn-ghost {
  background: transparent; color: var(--text-1);
  border: 1px solid var(--border);
}
.link-btn.btn-ghost:hover { border-color: var(--violet-l); color: var(--violet-l); }
.link-btn svg { width: 16px; height: 16px; }

/* ── RELATED PROJECTS ─────────────────────────────────────────────────── */
.related-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem; margin-top: 2rem;
}
.related-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 1.5rem;
  transition: all 0.25s var(--ease-out);
  cursor: pointer;
}
.related-card:hover { border-color: rgba(167,139,250,0.3); transform: translateY(-3px); }
.rc-cat  { font-size: 0.7rem; color: var(--violet-l); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.4rem; }
.rc-name { font-family: 'Bricolage Grotesque', sans-serif; font-weight: 700; margin-bottom: 0.4rem; }
.rc-desc { font-size: 0.825rem; color: var(--text-2); line-height: 1.5; }

/* ── FOOTER ──────────────────────────────────────────────────────────── */
.sub-footer {
  padding: 2rem 0; border-top: 1px solid var(--border);
  margin-top: 6rem;
}
.sub-footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  font-size: 0.8rem; color: var(--text-3);
}
.sub-footer-brand {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700; font-size: 1rem; color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sub-footer-brand span { color: var(--logo-cyan) !important; }

/* ── REVEAL ANIMATIONS ────────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.reveal.visible { opacity: 1; transform: none; }
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* ── BREADCRUMB ──────────────────────────────────────────────────────── */
.breadcrumb {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; color: var(--text-3);
  margin-bottom: 2rem;
}
.breadcrumb a { color: var(--text-3); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--text-1); }
.breadcrumb-sep { color: var(--text-3); }

/* ── RESPONSIVE ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .page-hero { padding: 8rem 0 4rem; }
  .page-title { font-size: 2.2rem; }
  .sub-nav { gap: 1rem; padding: 0.55rem 1rem; }
  .hero-metrics { flex-direction: column; }
  .hero-metric-item { border-right: none; border-bottom: 1px solid var(--border); }
  .hero-metric-item:last-child { border-bottom: none; }
  .content-section { padding: 3rem 0; }
}