*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

@font-face{font-family:'Outfit';font-weight:300;font-style:normal;font-display:swap;src:url('Outfit-Light.ttf') format('truetype')}
@font-face{font-family:'Outfit';font-weight:500;font-style:normal;font-display:swap;src:url('Outfit-Medium.ttf') format('truetype')}
@font-face{font-family:'Outfit';font-weight:700;font-style:normal;font-display:swap;src:url('Outfit-Bold.ttf') format('truetype')}

:root{
  --bg:       #f0f0f0;
  --bg-card:  rgba(0,0,0,.05);
  --bg-card-h:rgba(0,0,0,.09);
  --text:     #111;
  --text-dim: rgba(0,0,0,.5);
  --accent:   #1a1a1a;
  --radius:   10px;
  --max-w:    960px;
}

html{scroll-behavior:smooth}

body{
  font-family:'Outfit',sans-serif !important;
  color:var(--text);
  background:linear-gradient(160deg,#c8c8c8 0%,#e0e0e0 40%,#fff 100%);
  min-height:100vh;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  display:flex;
  flex-direction:column;
  position:relative;
  overflow-x:hidden;
}

#net-bg{
  position:fixed;
  top:0;
  left:0;
  width:100vw;
  height:100vh;
  z-index:0;
  pointer-events:none;
  display:block;
}

/* ── layout ─────────────────────────────────────────────────────────── */

.wrap{
  width:min(var(--max-w),90vw);
  margin-inline:auto;
}

/* ── GitHub link ─────────────────────────────────────────────────────── */

.gh-link{
  position:fixed;
  top:1.2rem;
  right:1.5rem;
  z-index:100;
  color:var(--text);
  opacity:.4;
  transition:opacity .2s;
}
.gh-link:hover{opacity:1}
.gh-link svg{width:28px;height:28px}

/* ── hero ────────────────────────────────────────────────────────────── */

.hero{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  flex:1;
  padding:2rem 0;
  gap:0;
  text-align:center;
}

.hero-title{
  font-family:'Outfit',sans-serif !important;
  font-size:clamp(2.5rem,8vw,5.5rem);
  font-weight:900;
  letter-spacing:.35em;
  line-height:1;
  margin-bottom:clamp(1.5rem,4vh,3rem);
  margin-right:-.35em;
}

.t-tez{ color:#555 }
.t-sign{ color:#111 }

.hero-logo{
  width:clamp(140px,28vw,280px);
  height:auto;
  margin-bottom:clamp(2rem,5vh,4rem);
}

.hero-tagline{
  font-size:clamp(.9rem,2.2vw,1.3rem);
  font-weight:600;
  color:#111;
  letter-spacing:.18em;
  text-transform:uppercase;
  margin-bottom:clamp(.5rem,1.5vh,1rem);
}

.hero-byline{
  font-size:clamp(.8rem,1.6vw,1rem);
  font-weight:400;
  color:rgba(0,0,0,.45);
  letter-spacing:.06em;
  margin-bottom:clamp(1.5rem,4vh,3rem);
}
.hero-byline a{
  color:rgba(0,0,0,.55);
  text-decoration:none;
  border-bottom:1px solid rgba(0,0,0,.2);
  transition:color .2s,border-color .2s;
}
.hero-byline a:hover{
  color:#111;
  border-color:#111;
}

.hero-actions{
  display:flex;
  gap:1rem;
  flex-wrap:wrap;
  justify-content:center;
}

.hero-cta{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.75rem 2rem;
  border-radius:var(--radius);
  font-size:1rem;
  font-weight:600;
  letter-spacing:.06em;
  text-decoration:none;
  transition:background .2s,color .2s,border-color .2s;
}

.cta-primary{
  background:#111;
  color:#fff;
  border:2px solid #111;
}
.cta-primary:hover{
  background:#333;
  border-color:#333;
}

.hero-cta svg{
  width:18px;height:18px;
  transition:transform .2s;
}
.hero-cta:hover svg{transform:translateX(3px)}

/* ── sections ──────────────────────────────────────────────────────── */

section{padding:4rem 0}

#features{
  position:relative;
  z-index:1;
  background:#111;
  color:#fff;
  padding:clamp(3rem,6vh,5rem) 0;
}

.section-title{
  font-size:clamp(1.5rem,3.5vw,2rem);
  font-weight:700;
  margin-bottom:.5rem;
  /* letter-spacing:.08em; */
}

.section-subtitle{
  font-size:clamp(.85rem,1.8vw,1.05rem);
  font-weight:600;
  color:#fff;
  margin-bottom:2.5rem;
}

#features .feature{
  background:rgba(255,255,255,.06);
}
#features .feature:hover{
  background:rgba(255,255,255,.12);
}
#features .feature h3{
  color:#fff;
}
#features .feature p{
  color:rgba(255,255,255,.55);
}

/* ── features grid ───────────────────────────────────────────────────── */

.features{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:1.5rem;
}

.feature{
  border-radius:var(--radius);
  padding:1.5rem;
  transition:background .2s;
  cursor:pointer;
}

.feature-icon{
  font-size:1.6rem;
  margin-bottom:.5rem;
}

.feature h3{
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:.4rem;
}

.feature p{
  font-size:.9rem;
  font-weight:300;
  line-height:1.55;
}

/* ── modal ───────────────────────────────────────────────────────────── */

.modal-overlay{
  position:fixed;
  inset:0;
  z-index:9999;
  background:rgba(0,0,0,.6);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s;
}

.modal-overlay.open{
  opacity:1;
  pointer-events:auto;
}

.modal-box{
  background:#1a1a1a;
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:2rem 2.2rem;
  max-width:480px;
  width:90%;
  position:relative;
  transform:translateY(20px) scale(.96);
  transition:transform .25s ease;
}

.modal-overlay.open .modal-box{
  transform:translateY(0) scale(1);
}

.modal-close{
  position:absolute;
  top:.8rem;
  right:1rem;
  background:none;
  border:none;
  color:rgba(255,255,255,.5);
  font-size:1.5rem;
  cursor:pointer;
  line-height:1;
  padding:0;
}
.modal-close:hover{color:#fff;}

.modal-icon{
  font-size:2rem;
  margin-bottom:.6rem;
}

.modal-box h3{
  font-size:1.2rem;
  font-weight:700;
  color:#fff;
  margin-bottom:.8rem;
}

.modal-box p{
  font-size:.9rem;
  font-weight:300;
  line-height:1.7;
  color:rgba(255,255,255,.7);
}

/* ── footer ──────────────────────────────────────────────────────────── */

footer{
  position:relative;
  z-index:1;
  padding:2rem 0 1.5rem;
  text-align:center;
  font-size:.8rem;
  background:#111;
  color:rgba(255,255,255,.45);
  border-top:1px solid rgba(255,255,255,.08);
}

footer a{
  color:rgba(255,255,255,.7);
  text-decoration:none;
}
footer a:hover{text-decoration:underline}

/* ── responsive ──────────────────────────────────────────────────────── */

@media(max-width:600px){
  .features{grid-template-columns:1fr}
  .gh-link{top:.8rem;right:1rem}
  .gh-link svg{width:24px;height:24px}
}