/* ==========================================================================
   TECHSOTOPE — Design System
   Concept: Techsotope = Tech + Isotope. The studio is the nucleus;
   every app it ships is an "isotope" orbiting the same core identity.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* Color tokens */
  --bg-void:      #060a0b;
  --bg-panel:     #0c1416;
  --bg-panel-2:   #101b1d;
  --line:         rgba(47, 243, 208, 0.14);
  --line-strong:  rgba(47, 243, 208, 0.32);
  --cyan:         #2ff3d0;
  --cyan-dim:     #17b6a0;
  --violet:       #7c5cff;
  --violet-dim:   #5a3fd6;
  --text-primary: #eef7f5;
  --text-muted:   #7d938f;
  --text-faint:   #4a5c59;

  /* Type */
  --f-display: 'Space Grotesk', sans-serif;
  --f-body: 'Inter', sans-serif;
  --f-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --edge: clamp(1.25rem, 4vw, 4rem);
  --max: 1240px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html:focus-within{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--f-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }

/* Faint background grid — the "lab bench" texture */
body::before{
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(47,243,208,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47,243,208,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
}

:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

::selection{ background: var(--cyan); color: #06100e; }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--edge);
  position: relative;
  z-index: 1;
}

.eyebrow{
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before{
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

h1, h2, h3{
  font-family: var(--f-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}

p{ color: var(--text-muted); margin: 0; }

/* ---------- Nav ---------- */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6,10,11,0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.brand{
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand img{ width: 30px; height: 30px; border-radius: 50%; }
.nav-links{
  display: flex;
  align-items: center;
  gap: 2.2rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.nav-links a{ transition: color .2s ease; position: relative; }
.nav-links a:hover{ color: var(--text-primary); }
.nav-links a.current{ color: var(--cyan); }

.btn{
  font-family: var(--f-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  padding: 0.65rem 1.15rem;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  transition: all .2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  white-space: nowrap;
}
.btn-primary{
  background: var(--cyan);
  color: #06100e;
  border-color: var(--cyan);
  font-weight: 500;
}
.btn-primary:hover{ background: #59f7dc; box-shadow: 0 0 24px rgba(47,243,208,0.35); }
.btn-ghost{ color: var(--text-primary); }
.btn-ghost:hover{ border-color: var(--cyan); color: var(--cyan); }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  color: var(--text-primary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ---------- Hero / Orbital signature ---------- */
.hero{
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2rem, 6vw, 4rem);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero-copy h1{
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  margin-top: 1rem;
}
.hero-copy h1 .accent{ color: var(--cyan); }
.hero-copy p.lede{
  font-size: 1.08rem;
  margin-top: 1.4rem;
  max-width: 46ch;
  color: var(--text-muted);
}
.hero-actions{
  display: flex;
  gap: 0.9rem;
  margin-top: 2.2rem;
  flex-wrap: wrap;
}

.orbital{
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}
.orbital svg{ width: 100%; height: 100%; overflow: visible; }
.orbit-ring{
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
}
.orbit-path{
  fill: none;
  stroke: rgba(47,243,208,0.5);
  stroke-width: 1.4;
  stroke-dasharray: 2 5;
}
.nucleus-glow{ filter: drop-shadow(0 0 18px rgba(47,243,208,0.55)); }
.electron-group{
  transform-origin: 200px 200px;
  animation: orbit-spin 22s linear infinite;
}
@keyframes orbit-spin{
  from{ transform: rotate(0deg); }
  to{ transform: rotate(360deg); }
}
.electron-node{
  filter: drop-shadow(0 0 10px rgba(124,92,255,0.75));
}
.electron-counter-spin{ animation: orbit-spin-rev 22s linear infinite; transform-origin: center; }
@keyframes orbit-spin-rev{
  from{ transform: rotate(0deg); }
  to{ transform: rotate(-360deg); }
}
.orbit-label{
  font-family: var(--f-mono);
  font-size: 10px;
  fill: var(--text-primary);
}
.orbit-label-sub{
  font-family: var(--f-mono);
  font-size: 7px;
  fill: var(--cyan-dim);
}

@media (prefers-reduced-motion: reduce){
  .electron-group, .electron-counter-spin{ animation: none; }
}

/* ---------- Sections ---------- */
section{ padding: clamp(3rem, 7vw, 5.5rem) 0; position: relative; z-index: 1; }
.section-head{ max-width: 62ch; margin-bottom: clamp(2rem, 5vw, 3rem); }
.section-head h2{
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  margin-top: 0.8rem;
}
.section-head p{ margin-top: 1rem; font-size: 1.02rem; }

.divider{
  height: 1px;
  background: var(--line);
  border: none;
  margin: 0;
}

/* Manifesto */
.manifesto-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.manifesto-item{
  background: var(--bg-panel);
  padding: 2rem 1.8rem;
}
.manifesto-item .tag{
  font-family: var(--f-mono);
  font-size: 0.7rem;
  color: var(--cyan-dim);
  letter-spacing: 0.08em;
}
.manifesto-item h3{
  font-size: 1.15rem;
  margin-top: 0.9rem;
}
.manifesto-item p{ margin-top: 0.7rem; font-size: 0.94rem; }

/* Product / isotope cards */
.isotope-grid{
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.5rem;
}
.isotope-card{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(1.6rem, 3vw, 2.4rem);
  position: relative;
  overflow: hidden;
  transition: border-color .25s ease;
}
.isotope-card:hover{ border-color: var(--line-strong); }
.isotope-card.featured{
  background: linear-gradient(160deg, var(--bg-panel-2), var(--bg-panel));
}
.isotope-mark{
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  position: absolute;
  top: 1.5rem;
  right: 1.7rem;
}
.isotope-header{ display: flex; align-items: center; gap: 1rem; }
.isotope-header img{ width: 52px; height: 52px; border-radius: 12px; }
.isotope-header h3{ font-size: 1.4rem; }
.isotope-header span{
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.isotope-card p.desc{ margin-top: 1.2rem; max-width: 48ch; font-size: 0.98rem; }
.isotope-card .btn{ margin-top: 1.6rem; }

.isotope-card.dormant{
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-style: dashed;
  border-color: var(--line);
  align-items: flex-start;
  gap: 0.6rem;
}
.isotope-card.dormant .isotope-header img{ opacity: 0.35; filter: grayscale(1); }
.isotope-card.dormant h3{ color: var(--text-muted); font-size: 1.15rem; }
.isotope-card.dormant p.desc{ font-size: 0.9rem; }

/* Footer */
footer{
  border-top: 1px solid var(--line);
  padding: 2.6rem 0;
}
.footer-row{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-brand{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-brand img{ width: 22px; height: 22px; border-radius: 50%; }
.footer-links{ display: flex; gap: 1.6rem; font-size: 0.85rem; color: var(--text-muted); }
.footer-links a:hover{ color: var(--cyan); }

/* ---------- Taskila page specifics ---------- */
.taskila-hero{
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(1.5rem, 4vw, 3rem);
  text-align: center;
}
.taskila-hero .app-lockup{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}
.taskila-hero .app-lockup img{
  width: clamp(40px, 6vw, 56px);
  height: clamp(40px, 6vw, 56px);
  border-radius: 14px;
  border: 1px solid var(--line);
}
.taskila-hero .app-lockup h1{
  font-size: clamp(2rem, 5vw, 3.2rem);
  background: linear-gradient(120deg, var(--text-primary) 30%, var(--violet) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.taskila-hero .tagline{
  font-family: var(--f-display);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-primary);
  font-weight: 500;
}
.taskila-hero p.lede{
  max-width: 52ch;
  margin: 0.9rem auto 0;
  font-size: 1.08rem;
}
.taskila-hero .hero-actions{ justify-content: center; }

.showcase{
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-top: clamp(2.5rem, 6vw, 4rem);
}
.showcase img{ width: 100%; }

.feature-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.feature-card{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.8rem;
}
.feature-card .num{
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--violet);
  letter-spacing: 0.08em;
}
.feature-card h3{ font-size: 1.08rem; margin-top: 0.8rem; }
.feature-card p{ margin-top: 0.6rem; font-size: 0.92rem; }

.cta-panel{
  background: linear-gradient(135deg, var(--bg-panel-2), var(--bg-panel));
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: clamp(2rem, 5vw, 3.2rem);
  text-align: center;
}
.cta-panel h2{ font-size: clamp(1.6rem, 3vw, 2.1rem); }
.cta-panel p{ margin: 1rem auto 0; max-width: 44ch; }
.cta-panel .hero-actions{ justify-content: center; margin-top: 1.8rem; }

/* Store badge button */
.btn-store{
  background: var(--text-primary);
  color: #06100e;
  border-color: var(--text-primary);
  font-family: var(--f-body);
  font-weight: 600;
  padding: 0.7rem 1.3rem;
}
.btn-store:hover{ background: #ffffff; box-shadow: 0 0 24px rgba(238,247,245,0.25); }
.btn-store svg{ flex-shrink: 0; }
.btn-store .store-text{ display: flex; flex-direction: column; align-items: flex-start; line-height: 1.15; }
.btn-store .store-text small{ font-size: 0.62rem; font-weight: 400; color: #3a4644; letter-spacing: 0.03em; }
.btn-store .store-text strong{ font-size: 0.92rem; letter-spacing: 0.01em; }

/* Screenshot gallery */
.gallery{
  display: flex;
  gap: 1.1rem;
  overflow-x: auto;
  padding: clamp(2rem, 5vw, 3rem) 0 1rem;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.gallery::-webkit-scrollbar{ height: 6px; }
.gallery::-webkit-scrollbar-thumb{ background: var(--line-strong); border-radius: 4px; }
.gallery img{
  flex: 0 0 auto;
  width: clamp(160px, 26vw, 230px);
  border-radius: 16px;
  border: 1px solid var(--line);
  scroll-snap-align: start;
}

/* Feature grid — auto-fit for 7 items */
.feature-grid.wide{
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.feature-card .icon{
  font-size: 1.3rem;
  line-height: 1;
}

/* Pro section */
.pro-panel{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(1.8rem, 4vw, 3rem);
}
.pro-panel img{
  border-radius: 16px;
  border: 1px solid var(--line);
  max-width: 260px;
  margin: 0 auto;
}
.pro-copy .eyebrow{ color: var(--violet); }
.pro-copy .eyebrow::before{ background: var(--violet); box-shadow: 0 0 8px var(--violet); }
.pro-copy h2{ margin-top: 0.8rem; font-size: clamp(1.5rem, 3vw, 2rem); }
.pro-copy p{ margin-top: 1rem; }
.pro-list{ list-style: none; margin: 1.4rem 0 0; padding: 0; display: flex; flex-direction: column; gap: 0.7rem; }
.pro-list li{
  display: flex; gap: 0.7rem; align-items: flex-start;
  font-size: 0.94rem; color: var(--text-muted);
}
.pro-list li::before{
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--violet);
  margin-top: 0.55em;
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--violet);
}

@media (max-width: 800px){
  .pro-panel{ grid-template-columns: 1fr; text-align: center; }
  .pro-list{ align-items: center; }
  .pro-list li{ text-align: left; }
}

/* ---------- Policy / legal prose ---------- */
.policy-hero{
  padding: clamp(3rem, 7vw, 4.5rem) 0 clamp(1.5rem, 4vw, 2.5rem);
}
.policy-hero h1{ font-size: clamp(2rem, 4.4vw, 2.8rem); margin-top: 0.8rem; }
.policy-hero .updated{
  font-family: var(--f-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-top: 0.9rem;
  display: block;
}
.policy{
  max-width: 72ch;
  padding-bottom: clamp(3rem, 7vw, 5rem);
}
.policy h2{
  font-size: 1.25rem;
  margin-top: 2.6rem;
  padding-top: 2.6rem;
  border-top: 1px solid var(--line);
  color: var(--text-primary);
}
.policy h2:first-child{ margin-top: 0; padding-top: 0; border-top: none; }
.policy p{ margin-top: 0.9rem; font-size: 0.98rem; }
.policy ul{
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.policy li{ color: var(--text-muted); font-size: 0.95rem; }
.policy li::marker{ color: var(--cyan-dim); }
.policy strong{ color: var(--text-primary); font-weight: 600; }
.policy a{ color: var(--cyan); border-bottom: 1px solid var(--line-strong); }
.policy a:hover{ color: #59f7dc; }
.policy code{
  font-family: var(--f-mono);
  font-size: 0.88em;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 0.1em 0.4em;
  border-radius: 5px;
  color: var(--cyan-dim);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero{ grid-template-columns: 1fr; }
  .hero-copy{ order: 2; text-align: left; }
  .orbital{ order: 1; max-width: 320px; }
  .manifesto-grid{ grid-template-columns: 1fr; }
  .isotope-grid{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav-links{
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    background: var(--bg-void);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.4rem var(--edge) 1.8rem;
    gap: 1.1rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: all .2s ease;
  }
  .nav-links.open{ transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle{ display: flex; }
}