/* ============================================
   QÜBE LABS — style.css
   qubelabs.org
   ============================================ */

/* ========== TOKENS ========== */
:root {
  --bg:          #0a0f1a;
  --bg-2:        #0d1321;
  --card:        #111827;
  --border:      rgba(255,255,255,0.07);
  --border-h:    rgba(74,222,128,0.28);
  --accent:      #4ADE80;
  --accent-2:    #22c55e;
  --accent-g:    rgba(74,222,128,0.10);
  --accent-g2:   rgba(74,222,128,0.18);
  --text:        #f1f5f9;
  --text-2:      #94a3b8;
  --text-3:      #475569;
  --blue:        #60a5fa;
  --blue-g:      rgba(96,165,250,0.09);
  --purple:      #a78bfa;
  --purple-g:    rgba(167,139,250,0.09);
  --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --r:           14px;
  --r-sm:        8px;
  --ease:        0.25s ease;
  --max:         1180px;
}

/* ========== RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.accent { color: var(--accent); }
.text-accent { color: var(--accent); }

/* ========== KEYFRAMES ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes breathe {
  0%, 100% { opacity: 0.5; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.15); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 1; }
}

/* ========== REVEAL ========== */
.fade-up { opacity: 0; animation: fadeUp 0.85s ease forwards; }
.delay-1 { animation-delay: 0.13s; }
.delay-2 { animation-delay: 0.26s; }
.delay-3 { animation-delay: 0.40s; }
.delay-4 { animation-delay: 0.58s; }

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--ease);
  white-space: nowrap;
}
.btn-sm { padding: 9px 18px; font-size: 0.8rem; }

.btn-primary {
  background: var(--accent);
  color: #0a0f1a;
  border-color: var(--accent);
  font-weight: 700;
}
.btn-primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  box-shadow: 0 0 32px rgba(74,222,128,0.38);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: rgba(74,222,128,0.35);
}
.btn-outline:hover {
  background: var(--accent-g);
  box-shadow: 0 0 20px rgba(74,222,128,0.15);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.03);
  transform: translateY(-1px);
}

/* ========== NAV ========== */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(10,15,26,0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background var(--ease);
}
.nav.scrolled { background: rgba(10,15,26,0.96); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 15px 28px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.nav-logo-img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--ease);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Dot-grid background */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(74,222,128,0.18) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 85% 80% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 85% 80% at 50% 50%, black 0%, transparent 100%);
  pointer-events: none;
}

/* Central green bloom */
.hero-glow {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 920px;
  height: 720px;
  background: radial-gradient(ellipse, rgba(74,222,128,0.08) 0%, transparent 62%);
  pointer-events: none;
  animation: pulse-glow 5s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 120px 28px 80px;
  width: 100%;
  max-width: 860px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 30px;
  padding: 6px 18px;
  border: 1px solid rgba(74,222,128,0.22);
  border-radius: 20px;
  background: rgba(74,222,128,0.06);
}

.hero-headline {
  font-size: clamp(3.2rem, 8.5vw, 7rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.045em;
  margin-bottom: 28px;
  color: var(--text);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: var(--text-2);
  max-width: 520px;
  margin: 0 auto 44px;
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-scroll {
  display: flex;
  justify-content: center;
}
.scroll-line {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  transform-origin: top;
  animation: breathe 2.2s ease-in-out infinite;
}

/* ========== MARQUEE ========== */
.marquee-strip {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.018);
  padding: 14px 0;
  user-select: none;
}
.marquee-track {
  display: flex;
  gap: 28px;
  align-items: center;
  white-space: nowrap;
  width: max-content;
  animation: ticker 22s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }

.marquee-track span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}
.marquee-track .sep { color: var(--accent); font-size: 0.9rem; }

/* ========== SECTIONS ========== */
.section { padding: 112px 0; }

.section-header {
  text-align: center;
  margin-bottom: 68px;
}

.eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.13;
  margin-bottom: 18px;
  color: var(--text);
}

.section-sub {
  color: var(--text-2);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.78;
  font-size: 0.95rem;
}

/* ========== PROJECT CARDS ========== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 32px;
  overflow: hidden;
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

/* Scanning light on hover */
.card-shine {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 0% 0%, var(--accent-g2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--ease);
  pointer-events: none;
}
.card:hover .card-shine { opacity: 1; }

.card:hover {
  border-color: var(--border-h);
  transform: translateY(-3px);
  box-shadow:
    0 14px 44px rgba(0,0,0,0.35),
    0 0 0 1px rgba(74,222,128,0.06);
}

/* EEE wide card */
.card-eee { grid-column: 1 / -1; }
.card-shine-eee {
  background: radial-gradient(ellipse at 10% 50%, var(--accent-g) 0%, transparent 55%);
}

.eee-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: start;
}

.eee-right {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-top: 4px;
}
.eee-quote {
  font-size: 0.925rem;
  font-style: italic;
  color: var(--text-2);
  line-height: 1.65;
  padding-left: 16px;
  border-left: 2px solid var(--accent);
  transition: color var(--ease);
}
.card-eee:hover .eee-quote { color: var(--text); }

/* Card internals */
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}
.card-icon-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-icon-emoji {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.badge {
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 11px;
  border-radius: 20px;
  border: 1px solid;
  flex-shrink: 0;
}
.badge-live    { color: var(--accent);  border-color: rgba(74,222,128,0.3);    background: rgba(74,222,128,0.08); }
.badge-dev     { color: var(--blue);    border-color: rgba(96,165,250,0.3);    background: var(--blue-g); }
.badge-research{ color: var(--purple);  border-color: rgba(167,139,250,0.3);   background: var(--purple-g); }

.card-name {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 5px;
  color: var(--text);
}
.card-tag {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 14px;
}
.card-desc {
  color: var(--text-2);
  font-size: 0.875rem;
  line-height: 1.78;
  margin-bottom: 22px;
}
.card-stats {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.card-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.card-stat-n {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.card-stat-l {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.card-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.pill {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-3);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.055);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ========== EEE SECTION ========== */
.eee-section {
  position: relative;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 112px 0;
  overflow: hidden;
}
.eee-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1300px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(74,222,128,0.055) 0%, transparent 60%);
  pointer-events: none;
}

.eee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
}

.eee-thesis-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.eee-thesis p {
  color: var(--text-2);
  line-height: 1.82;
  margin-bottom: 16px;
  font-size: 0.925rem;
}

.pillars { display: flex; flex-direction: column; }
.pillar {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  transition: transform var(--ease);
}
.pillar:first-child { border-top: 1px solid var(--border); }
.pillar:hover { transform: translateX(4px); }

.pillar-num {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.04em;
  min-width: 26px;
  padding-top: 3px;
  flex-shrink: 0;
}
.pillar h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.pillar p {
  font-size: 0.83rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ========== ABOUT ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-title { text-align: left; margin-bottom: 24px; }
.about-text .eyebrow { text-align: left; }
.about-text p {
  color: var(--text-2);
  line-height: 1.82;
  margin-bottom: 16px;
  font-size: 0.925rem;
}

.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 44px;
}
.about-logo-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-logo {
  width: 116px;
  height: 116px;
  border-radius: 22px;
  animation: float 7s ease-in-out infinite;
}
.about-glow {
  position: absolute;
  inset: -24px;
  background: radial-gradient(ellipse, rgba(74,222,128,0.22) 0%, transparent 68%);
  pointer-events: none;
  animation: pulse-glow 5s ease-in-out infinite;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  width: 100%;
}
.about-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 20px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  transition: border-color var(--ease);
}
.about-stat:hover { border-color: var(--border-h); }
.stat-n {
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-l {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

/* ========== FOOTER ========== */
.footer {
  border-top: 1px solid var(--border);
  padding: 52px 0 36px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 24px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-wordmark {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.footer-nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.85rem;
  color: var(--text-3);
  transition: color var(--ease);
  font-weight: 500;
}
.footer-nav a:hover { color: var(--text-2); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-3);
}
.footer-motto { font-style: italic; }

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .projects-grid { grid-template-columns: 1fr; }
  .card-eee { grid-column: auto; }
  .eee-inner { grid-template-columns: 1fr; gap: 32px; }
  .eee-grid { grid-template-columns: 1fr; gap: 52px; }
  .about-grid { grid-template-columns: 1fr; gap: 52px; }
  .about-visual { align-items: flex-start; }
  .about-stats { max-width: 360px; }
}

@media (max-width: 600px) {
  .hero-headline { letter-spacing: -0.03em; }
  .hero-actions { flex-direction: column; align-items: center; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .section { padding: 76px 0; }
  .eee-section { padding: 76px 0; }
  .container { padding: 0 20px; }
}