/* ─────────────────────────────────────────────────────────────
   Joseph Lang — Homelab Portfolio
   Violet / purple accent theme
   ──────────────────────────────────────────────────────────── */

:root {
  --bg:          #080610;
  --bg-alt:      #0b0914;
  --surface:     #100e1c;
  --card:        #161326;
  --card-hover:  #1d1930;
  --border:      #221e3a;

  --accent:      #8b5cf6;
  --accent-dim:  #7c3aed;
  --accent-glow: rgba(139, 92, 246, 0.14);
  --accent-live: #22c55e;
  --accent-dev:  #f59e0b;

  --text:        #ede9f8;
  --text-muted:  #8b80b0;
  --text-faint:  #332e52;

  --radius:      0.75rem;
  --radius-sm:   0.375rem;
  --transition:  0.2s ease;
  --font-sans:   system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono:   "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
ul { list-style: none; }
a  { color: inherit; text-decoration: none; }

.container { width: min(1200px, 100% - 3rem); margin-inline: auto; }
.section { padding-block: 6rem; }
.section--alt { background: var(--bg-alt); }

.section__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section__heading {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3rem;
  line-height: 1.2;
}

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8, 6, 16, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex; align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}
.nav__brand {
  font-family: var(--font-mono);
  font-size: 0.875rem; font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav__brand:hover { color: var(--accent); }

.nav__links { display: flex; gap: 1.5rem; align-items: center; }
.nav__links a {
  font-size: 0.875rem; color: var(--text-muted);
  transition: color var(--transition); position: relative;
}
.nav__links a::after {
  content: ""; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width var(--transition);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }
.nav__divider { color: var(--text-faint); font-size: 0.75rem; }
.nav__sib { font-size: 0.8rem; color: var(--text-faint); }
.nav__sib:hover { color: var(--text-muted); }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center; overflow: hidden;
}
.hero__grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px; opacity: 0.25; pointer-events: none;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 65% 55% at 50% 40%, rgba(139,92,246,0.08) 0%, transparent 65%);
  pointer-events: none;
}
.hero__content { position: relative; padding-block: 7rem 5rem; }
.hero__eyebrow {
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--text-faint); letter-spacing: 0.1em; margin-bottom: 0.75rem;
}
.hero__name {
  font-size: clamp(3rem, 9vw, 6rem); font-weight: 800;
  line-height: 1.0; letter-spacing: -0.03em; margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 20%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__title {
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: var(--text-muted); max-width: 600px;
  margin-bottom: 1rem; line-height: 1.6;
}
.hero__subtitle {
  font-size: 1rem; color: var(--text-muted);
  max-width: 560px; line-height: 1.8; margin-bottom: 3rem;
}

.hero__stats {
  display: flex; gap: 2rem; flex-wrap: wrap;
}
.hero__stat {
  display: flex; flex-direction: column; gap: 0.2rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  transition: border-color var(--transition);
}
.hero__stat:hover { border-color: var(--accent); }
.hero__stat-value {
  font-family: var(--font-mono); font-size: 0.9rem;
  font-weight: 700; color: var(--accent);
}
.hero__stat-label {
  font-size: 0.72rem; color: var(--text-faint);
  text-transform: uppercase; letter-spacing: 0.08em;
}

.hero__scroll-hint { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); }
.hero__scroll-hint span {
  display: block; width: 1px; height: 60px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ── Infrastructure cards ─────────────────────────────────── */
.infra__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.infra-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex; flex-direction: column; gap: 0.875rem;
  transition: all var(--transition);
}
.infra-card:hover {
  border-color: var(--accent); background: var(--card-hover);
  transform: translateY(-3px);
}
.infra-card--featured { border-left: 3px solid var(--accent); }

.infra-card__icon { font-size: 1.75rem; color: var(--accent); line-height: 1; }
.infra-card__title { font-size: 1.05rem; font-weight: 700; color: var(--text); }
.infra-card__body { font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; flex: 1; }
.infra-card__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; }
.infra-card__tags li {
  font-family: var(--font-mono); font-size: 0.67rem;
  color: var(--accent);
  background: rgba(139,92,246,0.08); border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius-sm); padding: 0.15rem 0.55rem;
}

/* ── Service groups ───────────────────────────────────────── */
.service-group { margin-bottom: 3.5rem; }
.service-group:last-child { margin-bottom: 0; }

.service-group__label {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent); margin-bottom: 1.25rem;
  padding-bottom: 0.75rem; border-bottom: 1px solid var(--border);
}
.service-group__icon { font-size: 1rem; }

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  transition: all var(--transition);
}
.service-card:hover {
  border-color: var(--accent); background: var(--card-hover);
  transform: translateY(-2px);
}

.service-card__header {
  display: flex; align-items: center;
  justify-content: space-between; gap: 0.5rem;
}
.service-card__title { font-size: 1rem; font-weight: 700; color: var(--text); }
.service-card__badge {
  font-family: var(--font-mono); font-size: 0.65rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-faint); background: var(--surface);
  border: 1px solid var(--border); border-radius: 99px;
  padding: 0.15rem 0.6rem; white-space: nowrap; flex-shrink: 0;
}
.service-card__body { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; }

/* ── Custom projects ──────────────────────────────────────── */
.custom__intro {
  color: var(--text-muted); font-size: 1rem;
  max-width: 620px; margin-bottom: 2.5rem; line-height: 1.75;
}

.custom__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem;
}

.custom-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  display: flex; flex-direction: column; gap: 1rem;
  transition: all var(--transition);
}
.custom-card:hover { border-color: var(--accent); background: var(--card-hover); transform: translateY(-3px); }

.custom-card--live  { border-top: 2px solid var(--accent-live); }
.custom-card--dev   { border-top: 2px solid var(--accent-dev); }

.custom-card__status {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--accent-live);
}
.custom-card__status--dev { color: var(--accent-dev); }

.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-live);
  animation: pulse-live 2s ease-in-out infinite;
}
.status-dot--dev { background: var(--accent-dev); animation: pulse-dev 2s ease-in-out infinite; }

@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}
@keyframes pulse-dev {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 0.2; }
}

.custom-card__title { font-size: 1.2rem; font-weight: 700; color: var(--text); }
.custom-card__body { font-size: 0.9rem; color: var(--text-muted); line-height: 1.75; flex: 1; }

.custom-card__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; }
.custom-card__tags li {
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--accent); background: rgba(139,92,246,0.07);
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius-sm); padding: 0.15rem 0.55rem;
}

/* ── Planned ──────────────────────────────────────────────── */
.planned__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}

.planned-card {
  background: var(--card); border: 1px dashed var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  transition: all var(--transition); opacity: 0.75;
}
.planned-card:hover { border-color: var(--accent); opacity: 1; transform: translateY(-2px); }
.planned-card--open { opacity: 0.45; }

.planned-card__icon { font-size: 1.75rem; color: var(--accent); opacity: 0.6; line-height: 1; }
.planned-card__title { font-size: 1rem; font-weight: 700; color: var(--text); }
.planned-card__body { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; }

/* ── Footer ───────────────────────────────────────────────── */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding-block: 1.75rem; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; }
.footer p { font-size: 0.8rem; color: var(--text-faint); }
.footer__nav { display: flex; gap: 1.5rem; }
.footer__nav a { font-size: 0.8rem; color: var(--text-faint); font-family: var(--font-mono); transition: color var(--transition); }
.footer__nav a:hover { color: var(--text-muted); }

/* ── Focus ────────────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1100px) {
  .planned__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .infra__grid,
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .custom__grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav__links { gap: 0.9rem; font-size: 0.8rem; }
  .nav__divider { display: none; }
  .infra__grid,
  .service-grid,
  .planned__grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 0.75rem; }
  .footer__inner { flex-direction: column; text-align: center; }
}