/* ==========================================================================
   GargantuaLab — Design Tokens
   ========================================================================== */
:root{
  --bg:            #0a0e16;
  --bg-raised:     #101724;
  --panel:         #131b28;
  --panel-border:  #24303f;
  --accent:        #6fd6e0;
  --accent-dim:    #6fd6e055;
  --accent-glow:   #6fd6e033;
  --accent2:       #7fe6b0;
  --text:          #eef3f6;
  --text-muted:    #96a5b2;
  --text-faint:    #5c6672;

  --font-display:  'Tektur', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; }

::selection{ background: var(--accent); color: var(--bg); }

/* Focus visibility (accessibility floor) */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

section{ position: relative; }

/* ==========================================================================
   Nav
   ========================================================================== */
.nav{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  background: rgba(10,14,22,0.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--panel-border);
}
.nav .wrap{
  display:flex;
  align-items:center;
  justify-content: space-between;
  height: 68px;
}
.nav-brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}
.nav-brand img{ height: 38px; width:38px; }
.nav-brand span{
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links{
  display:flex;
  align-items:center;
  gap: 28px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  text-decoration:none;
  font-size: 14px;
  color: var(--text-muted);
  transition: color .2s ease;
}
.nav-links a:hover{ color: var(--text); }

.lang-toggle{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 6px 10px;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease;
}
.lang-toggle:hover{ border-color: var(--accent); color: var(--text); }
.lang-toggle b{ color: var(--accent); font-weight: 700; }

.nav-toggle-btn{
  display:none;
  background:none;
  border:none;
  color: var(--text);
  font-size: 22px;
  cursor:pointer;
}

@media (max-width: 720px){
  .nav-links{
    position:absolute;
    top: 68px; left:0; right:0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--panel-border);
    padding: 20px var(--gutter) 28px;
    gap: 18px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle-btn{ display:block; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  min-height: 100svh;
  display:flex;
  align-items:center;
  padding-top: 68px;
  overflow: hidden;
}
.hero-sky{
  position:absolute;
  inset:0;
  z-index:0;
  background:
    radial-gradient(320px 320px at 78% 16%, var(--accent-glow) 0%, transparent 70%),
    radial-gradient(2px 2px at 12% 20%, var(--text-muted) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 24% 12%, var(--text-faint) 0%, transparent 100%),
    radial-gradient(2px 2px at 38% 28%, var(--text-muted) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 55% 10%, var(--text-faint) 0%, transparent 100%),
    radial-gradient(2px 2px at 68% 22%, var(--text-muted) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 88% 14%, var(--text-faint) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 92% 30%, var(--text-muted) 0%, transparent 100%),
    var(--bg);
}
.hero-mountains{
  position:absolute;
  left:0; right:0; bottom:0;
  width:100%;
  height:48%;
  z-index:1;
  display:block;
}
.hero-mountains .mtn-back{ fill:#22303f; }
.hero-mountains .mtn-mid{ fill:#151f2c; }
.hero-mountains .mtn-front{ fill:#0c121b; }
#grid-canvas{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  opacity: 0.5;
  pointer-events:none;
  z-index:2;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:3;
  background: radial-gradient(ellipse at 50% 40%, transparent 0%, var(--bg) 82%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:4;
  text-align:center;
  width:100%;
  padding: 40px 0 80px;
}
.hero-badge{
  width: 96px; height: 96px;
  margin: 0 auto 28px;
  filter: drop-shadow(0 0 18px var(--accent-glow));
}
.hero h1{
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.4vw, 3.8rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0 auto 22px;
  max-width: 900px;
}
.hero h1 em{
  font-style: normal;
  background: linear-gradient(100deg, var(--accent) 20%, var(--accent2) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 24px var(--accent-glow);
}
.hero p.lede{
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 36px;
}
.hero-ctas{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap: wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration:none;
  padding: 13px 24px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn-primary{
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
}
.btn-primary:hover{ box-shadow: 0 0 26px var(--accent-glow); transform: translateY(-1px); }
.btn-ghost{
  border-color: var(--panel-border);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }

.hero-scroll-cue{
  position:absolute;
  bottom: 28px;
  left:50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index:5;
}

/* ==========================================================================
   Section shell
   ========================================================================== */
.section{
  padding: 110px 0;
  border-top: 1px solid var(--panel-border);
}
.section-head{
  margin-bottom: 52px;
  max-width: 620px;
}
.section-head h2{
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 10px 0 0;
}

/* ==========================================================================
   Studio / About
   ========================================================================== */
.studio-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items:start;
}
.studio-grid p{ color: var(--text-muted); margin: 0 0 16px; max-width: 52ch; }
.studio-grid p:last-of-type{ margin-bottom:0; }

.chip-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top: 28px;
}
.chip{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  padding: 7px 12px;
  border-radius: 4px;
}

.coord-panel{
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 28px;
}
.coord-row{
  display:flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--panel-border);
  font-size: 14px;
}
.coord-row:last-child{ border-bottom:none; padding-bottom:0; }
.coord-row:first-child{ padding-top:0; }
.coord-row .k{
  font-family: var(--font-mono);
  color: var(--text-faint);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding-top: 3px;
}
.coord-row .v{ text-align:right; color: var(--text); }

/* ==========================================================================
   Featured project — 100numbers
   ========================================================================== */
.project-feature{
  background: var(--bg-raised);
}
.project-card{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items:center;
}
.project-visual{
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  aspect-ratio: 1/1;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
}
.project-visual canvas{ width: 82%; height: 82%; }

.status-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 18px;
}
.status-pill::before{
  content:"";
  width:7px; height:7px;
  border-radius:50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ opacity:1; }
  50%{ opacity:0.35; }
}

.project-info h3{
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  text-transform: uppercase;
  margin: 0 0 18px;
}
.project-info p{ color: var(--text-muted); margin: 0 0 16px; max-width: 48ch; }

.spec-list{
  list-style:none;
  margin: 26px 0 32px;
  padding:0;
  display:grid;
  gap: 12px;
}
.spec-list li{
  display:flex;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
}
.spec-list li::before{
  content:"";
  width: 4px;
  flex-shrink:0;
  margin-top: 6px;
  background: var(--accent);
}
.spec-list li b{ color: var(--text); font-weight:600; }

/* ==========================================================================
   Lab / upcoming
   ========================================================================== */
.lab-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.lab-card{
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 26px;
  transition: border-color .2s ease, transform .2s ease;
}
.lab-card:hover{ border-color: var(--accent-dim); transform: translateY(-3px); }
.lab-card .tag{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.lab-card h4{
  font-family: var(--font-display);
  font-size: 1.05rem;
  text-transform: uppercase;
  margin: 12px 0 10px;
}
.lab-card p{
  color: var(--text-muted);
  font-size: 14px;
  margin:0;
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-inner{
  display:flex;
  justify-content: space-between;
  align-items:flex-end;
  flex-wrap:wrap;
  gap: 40px;
}
.contact-inner h2{
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-transform: uppercase;
  max-width: 620px;
  margin:0;
}
.contact-email{
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--accent);
  text-decoration:none;
  border-bottom: 1px solid var(--accent-dim);
  padding-bottom: 4px;
  white-space: nowrap;
}
.contact-email:hover{ border-color: var(--accent); }

.contact-meta{
  margin-top: 40px;
  display:flex;
  gap: 40px;
  flex-wrap:wrap;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.contact-meta span b{ color: var(--text-muted); display:block; font-family: var(--font-body); font-size:14px; margin-bottom:4px; }

/* ==========================================================================
   Privacy
   ========================================================================== */
.privacy .section-head{ max-width: none; }
.privacy-body{
  color: var(--text-muted);
  max-width: 72ch;
  font-size: 14.5px;
}
.privacy-body h3{
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  margin: 32px 0 10px;
}
.privacy-body h3:first-child{ margin-top:0; }
.privacy-body p{ margin: 0 0 14px; }
.privacy-body ul{ margin: 0 0 14px; padding-left: 20px; }
.privacy-note{
  margin-top: 36px;
  padding: 16px 18px;
  border: 1px dashed var(--panel-border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer{
  border-top: 1px solid var(--panel-border);
  padding: 32px 0;
}
.footer-inner{
  display:flex;
  justify-content: space-between;
  align-items:center;
  flex-wrap:wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}
.footer-inner a{ text-decoration:none; color: var(--text-faint); }
.footer-inner a:hover{ color: var(--accent); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 860px){
  .studio-grid, .project-card{ grid-template-columns: 1fr; }
  .lab-grid{ grid-template-columns: 1fr; }
  .contact-inner{ align-items:flex-start; }
  .project-visual{ order:-1; max-width: 380px; margin: 0 auto; }
}