/* =========================================================
   EtherixLabs — Professional Minimal Dark Theme
   ========================================================= */

:root {
  --bg: #0b0f17;
  --bg-2: #0e1422;
  --panel: rgba(255, 255, 255, 0.03);
  --panel-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.10);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --muted-2: rgba(255, 255, 255, 0.50);
  --accent: #8fd3ff; /* used sparingly */
  --accent-2: #b7a7ff;
  --ok: #72e5a6;
  --warn: #ffcf6e;
  --danger: #ff7b7b;

  --shadow: 0 10px 30px rgba(0,0,0,0.55);
  --shadow-soft: 0 10px 24px rgba(0,0,0,0.35);

  --radius: 18px;
  --radius-sm: 12px;
  --max: 1140px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(1200px 700px at 70% -10%, rgba(143, 211, 255, 0.16), transparent 60%),
              radial-gradient(900px 500px at 20% 0%, rgba(183, 167, 255, 0.12), transparent 58%),
              linear-gradient(180deg, var(--bg), var(--bg-2));
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}
a:hover { text-decoration: underline; text-decoration-color: rgba(255,255,255,0.35); }

/* Star canvas sits behind everything */
#starfield {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
}

.bg-sheen {
  position: fixed;
  inset: -20%;
  z-index: -3;
  pointer-events: none;
  background:
    radial-gradient(1200px 800px at 10% 10%, rgba(143, 211, 255, 0.12), transparent 65%),
    radial-gradient(900px 700px at 85% 30%, rgba(183, 167, 255, 0.10), transparent 60%),
    radial-gradient(700px 600px at 60% 90%, rgba(114, 229, 166, 0.06), transparent 60%);
  filter: blur(1px);
}

.container {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: rgba(255,255,255,0.92);
  color: #000;
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 9999;
}
.skip-link:focus { left: 12px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 15, 23, 0.65);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none !important;
}
.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.95), rgba(255,255,255,0.05) 60%),
              conic-gradient(from 220deg, rgba(143,211,255,0.75), rgba(183,167,255,0.65), rgba(143,211,255,0.75));
  box-shadow: 0 0 0 1px rgba(255,255,255,0.20), 0 6px 18px rgba(0,0,0,0.35);
}
.brand-text {
  font-weight: 650;
  letter-spacing: 0.2px;
}

.nav {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}
.nav a {
  font-size: 0.95rem;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
}
.nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  text-decoration: none;
}
.nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255,255,255,0.80);
  margin: 4px 0;
  border-radius: 999px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  box-shadow: var(--shadow-soft);
  text-decoration: none !important;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.btn:hover { background: rgba(255,255,255,0.10); }
.btn--sm { padding: 10px 12px; border-radius: 12px; font-size: 0.95rem; }
.btn--primary {
  background: linear-gradient(135deg, rgba(143,211,255,0.20), rgba(183,167,255,0.16));
  border: 1px solid rgba(143,211,255,0.30);
}
.btn--primary:hover {
  background: linear-gradient(135deg, rgba(143,211,255,0.26), rgba(183,167,255,0.22));
}
.btn--ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: none;
}
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Layout blocks */
.hero {
  padding: 86px 0 44px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 32px;
  align-items: start;
}
.kicker {
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1 {
  margin: 10px 0 14px;
  font-size: clamp(2.1rem, 3.1vw, 3.1rem);
  line-height: 1.10;
  letter-spacing: -0.02em;
}
.lede {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 60ch;
}
.hero-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.hero-card .mini-title {
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--muted);
}
.hero-card ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.hero-card li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
  color: var(--muted);
}
.dot {
  width: 10px; height: 10px;
  margin-top: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.55);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.18);
}

.section {
  padding: 56px 0;
}
.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.section-title h2 {
  margin: 0;
  font-size: clamp(1.35rem, 1.9vw, 1.7rem);
  letter-spacing: -0.01em;
}
.section-title p {
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.card {
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}
.card h3 {
  margin: 8px 0 8px;
  font-size: 1.08rem;
}
.card p { margin: 0; color: var(--muted); line-height: 1.6; }
.card .meta {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  font-size: 0.88rem;
  white-space: nowrap;
}
.tag b { color: var(--text); font-weight: 650; }

.hr {
  height: 1px;
  background: rgba(255,255,255,0.10);
  margin: 18px 0;
}

/* Callout */
.callout {
  background: linear-gradient(135deg, rgba(143,211,255,0.12), rgba(183,167,255,0.10));
  border: 1px solid rgba(143,211,255,0.20);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}
.callout .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.callout h3 { margin: 0; font-size: 1.15rem; }
.callout p { margin: 6px 0 0; color: var(--muted); line-height: 1.6; max-width: 80ch; }

/* Page header */
.page-hero {
  padding: 52px 0 10px;
}
.page-hero h1 { margin: 0 0 10px; }
.breadcrumbs {
  margin-top: 10px;
  color: var(--muted-2);
  font-size: 0.95rem;
}
.breadcrumbs a { color: var(--muted); }

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.project-card {
  display: grid;
  gap: 12px;
}
.project-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background:
    radial-gradient(500px 240px at 30% 40%, rgba(143,211,255,0.15), transparent 60%),
    radial-gradient(400px 220px at 80% 30%, rgba(183,167,255,0.12), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  position: relative;
  overflow: hidden;
}
.project-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.12), transparent 40%);
  opacity: 0.55;
}
.project-card h3 { margin: 0; font-size: 1.05rem; }
.project-card p { margin: 0; color: var(--muted); line-height: 1.6; }
.project-card a.btn { width: fit-content; }

/* Forms */
.form {
  display: grid;
  gap: 14px;
}
.field {
  display: grid;
  gap: 8px;
}
label {
  font-weight: 650;
  letter-spacing: 0.1px;
}
input, select, textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  padding: 12px 12px;
  font-family: var(--font);
  font-size: 1rem;
  outline: none;
}
textarea { min-height: 140px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  border-color: rgba(143,211,255,0.40);
  box-shadow: 0 0 0 4px rgba(143,211,255,0.10);
}
.hint { color: var(--muted-2); font-size: 0.93rem; line-height: 1.5; }
.req {
  color: rgba(255,255,255,0.72);
  font-weight: 600;
  margin-left: 6px;
  font-size: 0.9rem;
}

.notice {
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius);
  padding: 16px;
  color: var(--muted);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  margin-top: 56px;
  border-top: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.18);
  backdrop-filter: blur(10px);
}
.footer-grid {
  padding: 30px 0;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 20px;
}
.footer-brand { font-weight: 750; letter-spacing: 0.2px; margin-bottom: 8px; }
.footer-title { font-weight: 700; margin-bottom: 10px; color: rgba(255,255,255,0.84); }
.footer-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-list a { color: var(--muted); }
.footer-bottom {
  padding: 16px 0 28px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.muted { color: var(--muted); }
.mono { font-family: var(--mono); }

/* Utilities */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--muted);
  width: fit-content;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }

  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 60px;
    right: 16px;
    left: 16px;
    background: rgba(11, 15, 23, 0.92);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    padding: 10px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 12px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}