/* =========================================================
   LALITH — Friendly Neighborhood Builder
   Neo-brutalism × Spider-Man × Iron Man. No frameworks.
   ========================================================= */

:root {
  --cream: #F4F1E8;
  --ink: #0A0A0A;
  --red: #E62429;
  --navy: #101B33;
  --gold: #F5C518;
  --white: #FFFFFF;
  --green: #22C55E;

  --bg: var(--cream);
  --fg: var(--ink);
  --card-bg: var(--white);
  --border-color: var(--ink);
  --shadow-color: var(--ink);
  --muted: rgba(10, 10, 10, 0.7);
  --muted-strong: rgba(10, 10, 10, 0.85);
  --muted-soft: rgba(10, 10, 10, 0.65);

  --border: 3px solid var(--border-color);
  --shadow: 6px 6px 0 var(--shadow-color);
  --shadow-sm: 4px 4px 0 var(--shadow-color);

  --font-display: "Anton", "Arial Black", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
}

/* ---------- JARVIS (dark) mode ---------- */

[data-theme="jarvis"] {
  --bg: #0A0E16;
  --fg: #EAE7DC;
  --navy: #131E38;
  --card-bg: #111826;
  --border-color: #D8D3C4;
  --shadow-color: rgba(245, 197, 24, 0.32);
  --muted: rgba(234, 231, 220, 0.6);
  --muted-strong: rgba(234, 231, 220, 0.85);
  --muted-soft: rgba(234, 231, 220, 0.5);
}

[data-theme="jarvis"] body {
  background-image: radial-gradient(rgba(245, 197, 24, 0.05) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}

body,
.site-header,
.card,
.chip,
.status-tag,
.origin-quote,
.nav-links a,
.signal-card,
.web-divider {
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
}

img, svg { display: block; max-width: 100%; }

::selection { background: var(--gold); color: var(--ink); }

:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0;
}

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

.container { width: min(1080px, 100% - 40px); margin-inline: auto; }
.container--narrow { width: min(760px, 100% - 40px); margin-inline: auto; }

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: var(--border);
  box-shadow: 0 5px 0 var(--shadow-color);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1080px, 100% - 40px);
  margin-inline: auto;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--fg);
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
}

.wm-accent { color: var(--red); }

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: block;
  padding: 10px 12px;
  text-decoration: none;
  text-transform: uppercase;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: var(--fg);
  border-bottom: 4px solid transparent;
}

.nav-links a:hover { color: var(--red); }

.nav-links a.is-active {
  border-bottom-color: var(--red);
  text-shadow: 0 0 12px rgba(245, 197, 24, 0.9);
}

/* ---------- Arc reactor (pure CSS) ---------- */

.arc-reactor {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid var(--ink);
  background: var(--white);
  box-shadow: 0 0 0 2px var(--gold), 0 0 14px 2px rgba(245, 197, 24, 0.75);
}

.arc-reactor::before {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: radial-gradient(circle at 50% 50%,
    var(--white) 0 22%, var(--gold) 30% 42%, var(--red) 50% 58%, var(--white) 62% 100%);
}

.arc-reactor::after {
  content: "";
  position: absolute;
  inset: 13px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: radial-gradient(circle, var(--white) 0 30%, var(--red) 40% 100%);
}

.arc-reactor--badge {
  width: 64px;
  height: 64px;
  box-shadow: 0 0 0 3px var(--gold), 0 0 26px 6px rgba(245, 197, 24, 0.8);
}

.arc-reactor--badge::before { inset: 12px; }
.arc-reactor--badge::after { inset: 23px; }

/* ---------- Theme toggle (JARVIS switch) ---------- */

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 6px;
  background: var(--card-bg);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: transform 0.08s ease, box-shadow 0.08s ease, background-color 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover { transform: translate(1px, 1px); box-shadow: 3px 3px 0 var(--shadow-color); }
.theme-toggle:active { transform: translate(3px, 3px); box-shadow: none; }

.theme-toggle .toggle-label { color: var(--muted); }

.arc-reactor--toggle {
  width: 22px;
  height: 22px;
  border-width: 2px;
  filter: grayscale(0.85) opacity(0.7);
}

.arc-reactor--toggle::before { inset: 4px; border-width: 1.5px; }
.arc-reactor--toggle::after { inset: 8px; border-width: 1.5px; }

[data-theme="jarvis"] .theme-toggle {
  box-shadow: 4px 4px 0 rgba(245, 197, 24, 0.35);
}

[data-theme="jarvis"] .theme-toggle .toggle-label {
  color: var(--gold);
  text-shadow: 0 0 10px rgba(245, 197, 24, 0.8);
}

[data-theme="jarvis"] .arc-reactor--toggle {
  filter: none;
  box-shadow: 0 0 12px 2px rgba(245, 197, 24, 0.85);
}

[data-theme="jarvis"] .arc-reactor--toggle::before {
  animation: reactor-spin 7s linear infinite;
}

@keyframes reactor-spin {
  to { transform: rotate(360deg); }
}

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

.btn {
  display: inline-block;
  padding: 14px 26px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--fg);
  background: var(--bg);
  border: var(--border);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.15s ease;
}

.btn:hover { transform: translate(2px, 2px); box-shadow: var(--shadow-sm); }
.btn:active { transform: translate(5px, 5px); box-shadow: none; }

.btn--red { background: var(--red); color: var(--white); }
.btn--gold { background: var(--gold); }

.btn--small {
  padding: 10px 18px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.btn--small:hover { transform: translate(1px, 1px); box-shadow: 3px 3px 0 var(--shadow-color); }
.btn--small:active { transform: translate(4px, 4px); box-shadow: none; }

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

.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--navy);
  background-image: radial-gradient(rgba(244, 241, 232, 0.14) 1.5px, transparent 1.5px);
  background-size: 16px 16px;
  border-bottom: var(--border);
  color: var(--cream);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1080px, 100% - 40px);
  margin-inline: auto;
  padding: 96px 0 92px;
}

.hero-kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(4rem, 15vw, 10rem);
  line-height: 0.92;
  color: var(--cream);
  text-shadow: 6px 6px 0 var(--red), 12px 12px 0 rgba(245, 197, 24, 0.9);
}

.hero-tagline {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4vw, 2.2rem);
  text-transform: uppercase;
  color: var(--gold);
}

.hero-blurb {
  max-width: 46ch;
  margin: 0 0 34px;
  font-size: 1.08rem;
  color: rgba(244, 241, 232, 0.92);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

.hero-web { position: absolute; right: 0; bottom: 0; width: 140px; height: 140px; }

.hero-badge-wrap { position: absolute; top: 24px; right: 28px; z-index: 1; }

/* ---------- Sections ---------- */

.section { padding: 72px 0; scroll-margin-top: 96px; }
.section--tight { padding: 44px 0; }

.section-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 14px;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
}

.section-title::before {
  content: "";
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  background: var(--red);
  border: var(--border);
}

.section-sub {
  margin: 0 0 34px;
  font-size: 0.9rem;
  color: var(--muted);
}

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

.card {
  background: var(--card-bg);
  border: var(--border);
  box-shadow: var(--shadow);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}

/* ---------- Status panel (JARVIS) ---------- */

.status-card {
  padding: 26px 28px;
  background: var(--navy);
  color: var(--cream);
}

.status-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 18px;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.status-rows { margin: 0; }

.status-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(244, 241, 232, 0.25);
  font-size: 0.95rem;
}

.status-row:last-child { border-bottom: 0; }

.status-row dt {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.status-row dd {
  margin: 0;
  font-weight: 700;
  color: var(--cream);
}

/* ---------- LEDs ---------- */

.led {
  display: inline-block;
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--ink);
}

.led--live { background: var(--green); box-shadow: 0 0 8px rgba(34, 197, 94, 0.9); }
.led--wip { background: var(--gold); box-shadow: 0 0 8px rgba(245, 197, 24, 0.9); animation: led-pulse 1.6s ease-in-out infinite; }

@keyframes led-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ---------- Mission cards ---------- */

.mission-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.mission-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.status-tag {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 2px solid var(--border-color);
}

.status-tag--live { background: var(--green); color: var(--ink); }
.status-tag--wip { background: var(--gold); color: var(--ink); }

.mission-card h3 { margin: 0 0 4px; font-size: 1.9rem; }

.mission-tagline {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
}

.mission-desc {
  margin: 0 0 18px;
  font-size: 0.98rem;
  color: var(--muted-strong);
}

.mission-card .btn { align-self: flex-start; margin-top: auto; }

/* ---------- Chips ---------- */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.chip {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  border: 2px solid var(--border-color);
  background: var(--bg);
}

/* ---------- Origin ---------- */

.web-divider { width: 240px; margin: 0 auto 26px; color: var(--fg); }

.origin-card {
  position: relative;
  padding: 34px 30px;
}

.origin-card p { margin: 0 0 16px; max-width: 60ch; }
.origin-card p:last-of-type { margin-bottom: 0; }

.origin-quote {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-left: 4px solid var(--gold);
  background: var(--bg);
  font-style: italic;
  color: var(--muted-strong);
}

.corner-brackets::before,
.corner-brackets::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
}

.corner-brackets::before {
  top: -4px;
  left: -4px;
  border-top: 3px solid var(--red);
  border-left: 3px solid var(--red);
}

.corner-brackets::after {
  bottom: -4px;
  right: -4px;
  border-bottom: 3px solid var(--red);
  border-right: 3px solid var(--red);
}

/* ---------- Systems ---------- */

.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.systems-card { padding: 22px 24px; }

.systems-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 1.35rem;
}

.systems-card h3::before {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  background: var(--gold);
  border: 2px solid var(--ink);
}

/* ---------- Signal ---------- */

.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}

.signal-card {
  display: block;
  padding: 30px;
  text-decoration: none;
  color: var(--fg);
  transition: transform 0.08s ease, box-shadow 0.08s ease, background-color 0.2s ease, color 0.2s ease;
}

.signal-card:hover { transform: translate(3px, 3px); box-shadow: 3px 3px 0 var(--shadow-color); }

.signal-card h3 { margin: 0 0 8px; font-size: 1.7rem; }

.signal-card .mono {
  margin: 0 0 18px;
  font-size: 0.85rem;
  word-break: break-all;
}

.signal-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.signal-card--github { background: var(--navy); color: var(--cream); }
.signal-card--github .mono { color: var(--gold); }

.signal-card--email { background: var(--red); color: var(--white); }

.signal-note {
  margin: 30px 0 0;
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

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

.site-footer {
  border-top: var(--border);
  padding: 22px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  width: min(1080px, 100% - 40px);
  margin-inline: auto;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Scroll reveal ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .nav-inner { flex-direction: column; gap: 6px; }
  .hero-inner { padding: 72px 0 64px; }
  .hero h1 { text-shadow: 4px 4px 0 var(--red), 8px 8px 0 rgba(245, 197, 24, 0.9); }
  .section { padding: 56px 0; }
  .hero-badge-wrap { display: none; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { transition: none; opacity: 1; transform: none; }
  .led--wip { animation: none; }
  .arc-reactor--toggle::before { animation: none; }
}