/* ── Variables (sampled from logo) ──────────────────────────────────────────── */
:root {
  --bg:        #08000f;
  --bg2:       #0d0020;
  --bg3:       #120030;
  --magenta:   #ff00ff;
  --magenta2:  #c800ff;
  --cyan:      #00e5ff;
  --cyan2:     #2979ff;
  --orange:    #ff6b35;
  --amber:     #ffaa00;
  --pink:      #ff3cac;
  --purple:    #9b00ff;
  --white:     #f0e6ff;
  --dim:       rgba(240, 230, 255, 0.55);

  --card-bg:    rgba(18, 0, 48, 0.85);
  --card-border: rgba(180, 0, 255, 0.3);

  --font-head:  'Orbitron', sans-serif;
  --font-body:  'Rajdhani', sans-serif;
  --font-mono:  'Share Tech Mono', monospace;

  --glow-cyan:    0 0 8px rgba(0, 229, 255, 0.8), 0 0 20px rgba(0, 229, 255, 0.4);
  --glow-magenta: 0 0 8px rgba(255, 0, 255, 0.8), 0 0 24px rgba(200, 0, 255, 0.5);
  --glow-orange:  0 0 8px rgba(255, 107, 53, 0.8), 0 0 20px rgba(255, 107, 53, 0.4);
  --glow-purple:  0 0 8px rgba(155, 0, 255, 0.8), 0 0 20px rgba(155, 0, 255, 0.4);
}

/* ── Reset ───────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ── Star canvas ─────────────────────────────────────────────────────────────── */
#stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Hero ────────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1;
  overflow: hidden;
  padding-bottom: 0;
}

/* Radial nebula behind the logo */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 42%,
      rgba(120, 0, 200, 0.28) 0%,
      rgba(200, 0, 255, 0.08) 50%,
      transparent 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 1.5rem 5rem;
  gap: 1.6rem;
}

.logo {
  width: min(380px, 72vw);
  height: auto;
  filter:
    drop-shadow(0 0 24px rgba(200, 0, 255, 0.6))
    drop-shadow(0 0 60px rgba(200, 0, 255, 0.3));
  animation: logoFloat 6s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0);    filter: drop-shadow(0 0 24px rgba(200, 0, 255, 0.6)) drop-shadow(0 0 60px rgba(200, 0, 255, 0.3)); }
  50%       { transform: translateY(-10px); filter: drop-shadow(0 0 36px rgba(200, 0, 255, 0.9)) drop-shadow(0 0 80px rgba(0, 229, 255, 0.35)); }
}

.tagline {
  font-family: var(--font-head);
  font-size: clamp(0.8rem, 2.2vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  text-transform: uppercase;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.8rem;
  border-radius: 4px;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-icon { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: transparent;
  border: 2px solid var(--cyan);
  color: var(--cyan);
  box-shadow: var(--glow-cyan), inset 0 0 12px rgba(0, 229, 255, 0.08);
}
.btn-primary:hover {
  background: rgba(0, 229, 255, 0.12);
  box-shadow: 0 0 16px rgba(0, 229, 255, 1), 0 0 40px rgba(0, 229, 255, 0.5), inset 0 0 20px rgba(0, 229, 255, 0.15);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--magenta2);
  color: var(--magenta);
  box-shadow: var(--glow-magenta), inset 0 0 12px rgba(200, 0, 255, 0.08);
}
.btn-secondary:hover {
  background: rgba(200, 0, 255, 0.12);
  box-shadow: 0 0 16px rgba(255, 0, 255, 1), 0 0 40px rgba(200, 0, 255, 0.5);
}

/* ── Horizon grid ────────────────────────────────────────────────────────────── */
.horizon {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 280px;
  perspective: 400px;
  perspective-origin: 50% 0%;
  overflow: hidden;
  z-index: 1;
  mask-image: linear-gradient(to bottom, transparent 0%, black 35%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 35%);
}

#grid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ── Audio control ───────────────────────────────────────────────────────────── */
.audio-ctrl {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  gap: 0.5rem;
}

.audio-btn.playing {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: var(--glow-cyan), inset 0 0 12px rgba(0, 229, 255, 0.08);
}

/* ── Sections ────────────────────────────────────────────────────────────────── */
.projects,
.philosophy {
  position: relative;
  z-index: 1;
  padding: 5rem 1.5rem;
}

.projects {
  background:
    linear-gradient(to bottom, transparent 0%, rgba(13, 0, 32, 0.95) 8%, rgba(13, 0, 32, 0.95) 92%, transparent 100%);
}

.philosophy {
  background: linear-gradient(to bottom, transparent, rgba(8, 0, 20, 0.98) 10%, rgba(8, 0, 20, 0.98) 90%, transparent);
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  color: var(--white);
  text-shadow: var(--glow-magenta);
  margin-bottom: 0.6rem;
}

.section-sub {
  text-align: center;
  color: var(--dim);
  font-size: 1rem;
  letter-spacing: 0.04em;
  margin-bottom: 3.5rem;
}

/* ── Project cards ───────────────────────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 500px), 1fr));
  gap: 2rem;
  max-width: 1160px;
  margin: 0 auto;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

/* Top accent line per card color */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.card[data-color="cyan"]::before    { background: linear-gradient(to right, transparent, var(--cyan), transparent); box-shadow: 0 0 12px var(--cyan); }
.card[data-color="magenta"]::before { background: linear-gradient(to right, transparent, var(--magenta), transparent); box-shadow: 0 0 12px var(--magenta); }
.card[data-color="orange"]::before  { background: linear-gradient(to right, transparent, var(--orange), transparent); box-shadow: 0 0 12px var(--orange); }
.card[data-color="purple"]::before  { background: linear-gradient(to right, transparent, var(--purple), transparent); box-shadow: 0 0 12px var(--purple); }

.card[data-color="cyan"]:hover    { border-color: var(--cyan);    box-shadow: 0 0 30px rgba(0, 229, 255, 0.2),  0 8px 32px rgba(0,0,0,0.5); transform: translateY(-4px); }
.card[data-color="magenta"]:hover { border-color: var(--magenta); box-shadow: 0 0 30px rgba(255, 0, 255, 0.2), 0 8px 32px rgba(0,0,0,0.5); transform: translateY(-4px); }
.card[data-color="orange"]:hover  { border-color: var(--orange);  box-shadow: 0 0 30px rgba(255, 107, 53, 0.2), 0 8px 32px rgba(0,0,0,0.5); transform: translateY(-4px); }
.card[data-color="purple"]:hover  { border-color: var(--purple);  box-shadow: 0 0 30px rgba(155, 0, 255, 0.2), 0 8px 32px rgba(0,0,0,0.5); transform: translateY(-4px); }

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.card-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card[data-color="cyan"]    .card-icon { color: var(--cyan);    filter: drop-shadow(var(--glow-cyan)); }
.card[data-color="magenta"] .card-icon { color: var(--magenta); filter: drop-shadow(var(--glow-magenta)); }
.card[data-color="orange"]  .card-icon { color: var(--orange);  filter: drop-shadow(var(--glow-orange)); }
.card[data-color="purple"]  .card-icon { color: var(--purple);  filter: drop-shadow(var(--glow-purple)); }

.card-icon svg { width: 100%; height: 100%; }

.card-title {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

.card[data-color="cyan"]    .card-title { color: var(--cyan);    text-shadow: var(--glow-cyan); }
.card[data-color="magenta"] .card-title { color: var(--magenta); text-shadow: var(--glow-magenta); }
.card[data-color="orange"]  .card-title { color: var(--orange);  text-shadow: var(--glow-orange); }
.card[data-color="purple"]  .card-title { color: var(--purple);  text-shadow: var(--glow-purple); }

.card-lang {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
  margin-right: 0.3rem;
  letter-spacing: 0.05em;
}
.card-lang.bash   { background: rgba(0, 229, 255, 0.12); color: var(--cyan);   border: 1px solid rgba(0,229,255,0.3); }
.card-lang.python { background: rgba(200,0,255, 0.12);  color: var(--magenta); border: 1px solid rgba(200,0,255,0.3); }

.card-desc {
  color: var(--dim);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Command examples ────────────────────────────────────────────────────────── */
.card-cmds {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cmd-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 5px;
  padding: 0.5rem 0.75rem;
}

.cmd {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: rgba(240, 230, 255, 0.88);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inline-code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  padding: 0.05em 0.35em;
  border-radius: 3px;
}

.copy-btn {
  background: none;
  border: none;
  color: rgba(240, 230, 255, 0.35);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.1rem 0.2rem;
  transition: color 0.2s ease;
  flex-shrink: 0;
}
.copy-btn:hover { color: var(--cyan); }
.copy-btn.copied { color: #00ff88; }

/* ── Card footer / install ───────────────────────────────────────────────────── */
.card-footer {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.install-block {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 5px;
  padding: 0.5rem 0.75rem;
  overflow: hidden;
}

.install-label {
  font-family: var(--font-head);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
  flex-shrink: 0;
}

.install-cmd {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(240, 230, 255, 0.7);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-gh-link {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  align-self: flex-end;
  transition: all 0.2s ease;
}

.card[data-color="cyan"]    .card-gh-link { color: var(--cyan);    }
.card[data-color="magenta"] .card-gh-link { color: var(--magenta); }
.card[data-color="orange"]  .card-gh-link { color: var(--orange);  }
.card[data-color="purple"]  .card-gh-link { color: var(--purple);  }

.card-gh-link:hover { opacity: 0.75; letter-spacing: 0.15em; }

/* ── Philosophy section ──────────────────────────────────────────────────────── */
.philosophy-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pillar {
  text-align: center;
  padding: 2rem 1.5rem;
  border: 1px solid rgba(200, 0, 255, 0.2);
  border-radius: 8px;
  background: rgba(13, 0, 32, 0.6);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.pillar:hover {
  border-color: rgba(200, 0, 255, 0.5);
  box-shadow: 0 0 24px rgba(200, 0, 255, 0.15);
}

.pillar-glyph {
  font-size: 2rem;
  color: var(--magenta2);
  text-shadow: var(--glow-magenta);
  margin-bottom: 1rem;
  animation: glyphPulse 4s ease-in-out infinite;
}
.pillar:nth-child(2) .pillar-glyph { animation-delay: 1.3s; }
.pillar:nth-child(3) .pillar-glyph { animation-delay: 2.6s; }

@keyframes glyphPulse {
  0%, 100% { opacity: 0.7; text-shadow: 0 0 8px rgba(200, 0, 255, 0.5); }
  50%       { opacity: 1;   text-shadow: 0 0 18px rgba(200, 0, 255, 1), 0 0 36px rgba(0, 229, 255, 0.5); }
}

.pillar h3 {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: 0.75rem;
}

.pillar p {
  color: var(--dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── Footer ──────────────────────────────────────────────────────────────────── */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(200, 0, 255, 0.2);
  background: rgba(8, 0, 15, 0.98);
  padding: 2.5rem 1.5rem;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-logo {
  width: 80px;
  height: auto;
  opacity: 0.75;
  filter: drop-shadow(0 0 10px rgba(200, 0, 255, 0.4));
}

.footer-copy {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dim);
}

.footer-gh {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--magenta);
  transition: color 0.2s ease;
}
.footer-gh svg { width: 18px; height: 18px; }
.footer-gh:hover { color: var(--cyan); }

/* ── Decker feature section ──────────────────────────────────────────────────── */
.decker-section {
  position: relative;
  z-index: 1;
  padding: 5rem 1.5rem;
  background: linear-gradient(to bottom, transparent, rgba(13, 0, 32, 0.97) 8%, rgba(13, 0, 32, 0.97) 92%, transparent);
  overflow: hidden;
}

/* subtle scanlines */
.decker-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255, 60, 172, 0.018) 3px,
    rgba(255, 60, 172, 0.018) 4px
  );
  pointer-events: none;
}

.decker-inner {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
}

.decker-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dim);
}

.decker-logo-text {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(3rem, 10vw, 5.5rem);
  letter-spacing: 0.35em;
  color: var(--pink);
  text-shadow:
    0 0 12px rgba(255, 60, 172, 0.9),
    0 0 40px rgba(255, 60, 172, 0.5),
    0 0 90px rgba(255, 60, 172, 0.2);
  line-height: 1;
}

.decker-tagline {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--dim);
  letter-spacing: 0.06em;
}

.decker-desc {
  color: var(--dim);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 480px;
}

.btn-decker {
  background: transparent;
  border: 2px solid var(--pink);
  color: var(--pink);
  box-shadow: 0 0 8px rgba(255,60,172,0.7), 0 0 28px rgba(255,60,172,0.35), inset 0 0 14px rgba(255,60,172,0.07);
  font-size: 0.85rem;
  padding: 0.85rem 2.6rem;
  letter-spacing: 0.22em;
  margin-top: 0.5rem;
}
.btn-decker:hover {
  background: rgba(255, 60, 172, 0.1);
  box-shadow: 0 0 18px rgba(255,60,172,1), 0 0 50px rgba(255,60,172,0.55), 0 0 100px rgba(255,60,172,0.25);
  letter-spacing: 0.28em;
}

/* ── Scroll reveal ───────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero-inner { padding: 2.5rem 1rem 5rem; }
  .tagline { font-size: 0.7rem; }
  .cards { gap: 1.5rem; }
  .card { padding: 1.4rem; }
  .install-cmd { display: none; }
  .install-label { display: none; }
}