/* lynam.info — single-page personal site
   Dark-first, layered palette with a warm gold accent and a cool secondary.
   Light mode via prefers-color-scheme. */

:root {
  /* Base surfaces — layered for depth */
  --bg: #070b16;
  --bg-alt: #0a1020;
  --surface: #111a30;
  --surface-2: #17213c;
  --line: #223052;
  --line-soft: #1a2540;

  /* Text */
  --text: #eef2fb;
  --muted: #9aa6bf;
  --faint: #6b7794;

  /* Accents */
  --accent: #f5b25a;
  --accent-2: #6ea8ff;
  --accent-ink: #1a1206;
  --accent-soft: rgba(245, 178, 90, 0.14);
  --accent-2-soft: rgba(110, 168, 255, 0.12);
  --icon: eef2fb;          /* Simple Icons color param, no # */

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.7);
  --shadow-sm: 0 6px 18px -8px rgba(0, 0, 0, 0.5);
  --ring: 0 0 0 1px var(--line);
  --max: 1120px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --bg-alt: #ffffff;
    --surface: #ffffff;
    --surface-2: #f0f2f8;
    --line: #e2e6ef;
    --line-soft: #eaedf4;
    --text: #101728;
    --muted: #56607a;
    --faint: #8b94a8;
    --accent: #b9660e;
    --accent-2: #2f6fe0;
    --accent-ink: #ffffff;
    --accent-soft: rgba(185, 102, 14, 0.10);
    --accent-2-soft: rgba(47, 111, 224, 0.08);
    --icon: 101728;
    --shadow: 0 20px 50px -22px rgba(20, 30, 60, 0.22);
    --shadow-sm: 0 8px 20px -12px rgba(20, 30, 60, 0.15);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv02", "cv03", "cv04", "ss01";
  overflow-x: hidden;
}

/* Ambient page background — soft mesh + fine grain, fixed behind content */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(50% 45% at 15% 0%, var(--accent-soft), transparent 60%),
    radial-gradient(45% 40% at 100% 5%, var(--accent-2-soft), transparent 55%),
    radial-gradient(60% 50% at 80% 100%, rgba(110, 168, 255, 0.05), transparent 60%);
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

a { color: inherit; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 7vw, 4.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.15rem); font-weight: 700; }
h3 { font-size: 1.12rem; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 1rem; }

::selection { background: var(--accent-soft); color: var(--text); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.7rem clamp(1rem, 4vw, 2.5rem);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color 240ms var(--ease), background 240ms var(--ease);
}
.site-header.scrolled {
  border-bottom-color: var(--line-soft);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; font-weight: 600; }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(150deg, var(--accent), color-mix(in srgb, var(--accent) 70%, #e0761f));
  color: var(--accent-ink);
  font-weight: 700; font-size: 0.85rem; letter-spacing: 0.02em;
  box-shadow: 0 4px 14px -4px color-mix(in srgb, var(--accent) 60%, transparent);
}
.brand-text { font-family: var(--mono); font-size: 0.95rem; color: var(--muted); }
.site-nav { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.site-nav a {
  text-decoration: none; color: var(--muted); font-size: 0.9rem; font-weight: 500;
  padding: 0.35rem 0.7rem; border-radius: 999px;
  transition: color 160ms var(--ease), background 160ms var(--ease);
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--text); background: var(--surface-2); }
.site-nav a.active { color: var(--accent); }
@media (max-width: 680px) {
  .site-nav { gap: 0.1rem; }
  .site-nav a { font-size: 0.82rem; padding: 0.3rem 0.5rem; }
  .brand-text { display: none; }
}

/* Hero */
.hero {
  position: relative;
  padding: clamp(4.5rem, 11vw, 9rem) clamp(1rem, 4vw, 2.5rem) clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 30% 20%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 30% 20%, #000 0%, transparent 75%);
  opacity: 0.5;
  pointer-events: none;
}
.hero-inner { position: relative; max-width: var(--max); margin: 0 auto; }

.status-pill {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.02em;
  color: var(--muted);
  padding: 0.35rem 0.75rem 0.35rem 0.6rem; margin-bottom: 1.5rem;
  border: 1px solid var(--line); border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  backdrop-filter: blur(6px);
}
.status-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #34d399; box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18); }
  50% { box-shadow: 0 0 0 5px rgba(52, 211, 153, 0.06); }
}

.eyebrow {
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.9rem;
}
.hero h1 {
  background: linear-gradient(180deg, var(--text), color-mix(in srgb, var(--text) 62%, var(--faint)));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { max-width: 60ch; font-size: clamp(1.08rem, 1.7vw, 1.3rem); color: var(--muted); }
.lede strong, .hero .lede b { color: var(--text); font-weight: 600; }
.hero-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.7rem;
  color: var(--faint); font-size: 0.92rem; margin-bottom: 2rem;
}
.hero-meta span[aria-hidden] { color: var(--line); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.btn {
  position: relative;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.72rem 1.2rem; border-radius: 999px;
  font-weight: 600; font-size: 0.92rem; text-decoration: none;
  border: 1px solid var(--line);
  transition: transform 180ms var(--ease), background 180ms var(--ease),
              border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.btn:hover, .btn:focus-visible { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(150deg, var(--accent), color-mix(in srgb, var(--accent) 78%, #e0761f));
  color: var(--accent-ink); border-color: transparent;
  box-shadow: 0 8px 22px -8px color-mix(in srgb, var(--accent) 65%, transparent);
}
.btn-primary:hover { box-shadow: 0 12px 30px -8px color-mix(in srgb, var(--accent) 70%, transparent); }
.btn-ghost { background: color-mix(in srgb, var(--surface) 50%, transparent); color: var(--text); }
.btn-ghost:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); background: var(--surface); }

/* Impact stats */
.stats { padding: 0 clamp(1rem, 4vw, 2.5rem) clamp(2.5rem, 6vw, 4rem); }
.stats-grid {
  list-style: none; margin: 0 auto; padding: 0; max-width: var(--max);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.stats-grid li {
  background: var(--surface);
  padding: 1.5rem 1.4rem;
  display: flex; flex-direction: column; gap: 0.35rem;
  transition: background 200ms var(--ease);
}
.stats-grid li:hover { background: var(--surface-2); }
.stat-num {
  font-size: clamp(1.9rem, 3.2vw, 2.6rem); font-weight: 700; line-height: 1;
  letter-spacing: -0.02em; font-feature-settings: "tnum";
  background: linear-gradient(160deg, var(--text), color-mix(in srgb, var(--accent) 75%, var(--text)));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { color: var(--text); font-weight: 600; font-size: 0.96rem; }
.stat-sub { color: var(--faint); font-family: var(--mono); font-size: 0.78rem; line-height: 1.45; }
@media (max-width: 820px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .stats-grid { grid-template-columns: 1fr; } }

/* Marquee */
.marquee-section {
  padding: 1.1rem 0 0.6rem;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-alt) 70%, transparent);
}
.marquee {
  position: relative; overflow: hidden;
  padding: 0.55rem 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex; gap: 0.75rem; width: max-content;
  margin: 0; padding: 0 0.375rem; list-style: none;
  animation: scroll-left var(--duration, 60s) linear infinite;
  will-change: transform;
}
.marquee[data-direction="right"] .marquee-track { animation-name: scroll-right; }
.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track { animation-play-state: paused; }
@keyframes scroll-left  { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes scroll-right { from { transform: translateX(-50%); } to { transform: translateX(0); } }
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
  .marquee { mask-image: none; -webkit-mask-image: none; }
  .marquee-track li.clone { display: none; }
}

.logo-tile {
  display: inline-flex; align-items: center; gap: 0.6rem;
  height: 52px; padding: 0 1.05rem;
  border: 1px solid var(--line-soft); border-radius: 12px;
  background: var(--surface);
  color: var(--text); font-weight: 600; font-size: 0.9rem; white-space: nowrap;
  outline: none;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), background 180ms var(--ease);
}
.logo-tile:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); background: var(--surface-2); }
.logo-tile:focus-visible { border-color: var(--accent); }
.logo-tile img { width: 22px; height: 22px; object-fit: contain; }
/* Local brand logos: real SVG/PNG marks painted in the wall color via mask,
   so they match the monochrome logo row and adapt to light/dark themes. */
.logo-tile .logo-svg {
  display: inline-block; flex: none;
  height: 22px; width: calc(22px * var(--ar, 1));
  background-color: currentColor;
  -webkit-mask: var(--logo) center / contain no-repeat;
  mask: var(--logo) center / contain no-repeat;
}
.logo-tile.wide { padding: 0 1.15rem; }
.logo-tile.wide .logo-svg { height: 16px; width: calc(16px * var(--ar, 1)); opacity: 0.95; }
.logo-tile .mono {
  display: inline-grid; place-items: center;
  min-width: 24px; height: 24px; padding: 0 0.3rem; border-radius: 6px;
  background: color-mix(in srgb, currentColor 9%, transparent); color: var(--text);
  font-family: var(--mono); font-size: 0.7rem; font-weight: 700;
}
.marquee-note { text-align: center; color: var(--faint); font-size: 0.76rem; margin: 0.5rem 1rem; }

/* Sections */
.section { padding: clamp(3.5rem, 8vw, 6rem) clamp(1rem, 4vw, 2.5rem); }
.section-alt {
  background: color-mix(in srgb, var(--bg-alt) 60%, transparent);
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
}
.section-head { max-width: var(--max); margin: 0 auto 2.5rem; }
.section-head h2 { position: relative; display: inline-block; }
.section-head h2::after {
  content: ""; display: block;
  width: 44px; height: 3px; margin-top: 0.85rem; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.section-head p { color: var(--muted); max-width: 68ch; margin-bottom: 0; }

.grid { display: grid; gap: 1.15rem; max-width: var(--max); margin: 0 auto; }
.skills-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.projects-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
  position: relative;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 96%, #fff) 0%, var(--surface) 40%);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.2rem;
  box-shadow: var(--shadow-sm);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
  overflow: hidden;
}
/* Accent hairline that lights up on hover */
.card::before {
  content: "";
  position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 55%, transparent), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 240ms var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
  box-shadow: var(--shadow);
}
.card:hover::before { opacity: 1; }
.card h3 { margin-bottom: 0.65rem; }
.card p { color: var(--muted); font-size: 0.96rem; }
.card p strong { color: var(--text); font-weight: 600; }

.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; margin: 0.6rem 0 0; padding: 0; }
.tags li {
  font-family: var(--mono); font-size: 0.71rem; letter-spacing: 0.01em;
  padding: 0.26rem 0.6rem; border-radius: 999px;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--line-soft);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}
.card:hover .tags li { border-color: var(--line); }

.project header { display: flex; align-items: baseline; justify-content: space-between; gap: 0.75rem; margin-bottom: 0.4rem; }
.project header h3 a {
  text-decoration: none;
  background: linear-gradient(var(--accent), var(--accent)) 0 100% / 100% 1px no-repeat;
  padding-bottom: 2px;
  transition: background-size 200ms var(--ease);
}
.project header h3 a:hover { background-size: 100% 2px; }
.badge {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  padding: 0.24rem 0.55rem; border-radius: 6px; white-space: nowrap;
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
}

/* Timeline */
.timeline { list-style: none; margin: 0 auto; padding: 0; max-width: var(--max); }
.timeline li {
  position: relative;
  display: grid; grid-template-columns: 180px 1fr; gap: 1.75rem;
  padding: 1.4rem 0; border-top: 1px solid var(--line-soft);
}
.timeline li:last-child { border-bottom: 1px solid var(--line-soft); }
.tl-when { font-family: var(--mono); font-size: 0.82rem; color: var(--accent); padding-top: 0.2rem; }
.tl-what h3 { display: flex; flex-wrap: wrap; gap: 0.5rem 0.75rem; align-items: baseline; }
.tl-role { font-weight: 500; color: var(--muted); font-size: 0.95rem; }
.tl-what p { color: var(--muted); margin: 0; }
@media (max-width: 640px) {
  .timeline li { grid-template-columns: 1fr; gap: 0.4rem; }
}

/* Certs */
.certs { list-style: none; margin: 0 auto; padding: 0; max-width: var(--max); display: grid; gap: 0.6rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.certs li {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.25rem 1rem; align-items: baseline;
  padding: 0.9rem 1.1rem; border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
  background: var(--surface);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}
.certs li:hover { border-color: color-mix(in srgb, var(--accent) 30%, var(--line)); transform: translateY(-2px); }
.certs li strong { min-width: 0; }
.certs li span { color: var(--faint); font-family: var(--mono); font-size: 0.8rem; text-align: right; }

/* Contact */
.contact .section-head { margin-bottom: 1.5rem; }
.contact-links { max-width: var(--max); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Footer */
.site-footer {
  padding: 2rem clamp(1rem, 4vw, 2.5rem) 3rem;
  border-top: 1px solid var(--line-soft);
  color: var(--faint); font-size: 0.84rem; text-align: center;
}
.site-footer a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); }
.site-footer a:hover { color: var(--text); border-bottom-color: var(--accent); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }