/* =================================================================
   TERMINAL AUTHORITY — CTO portfolio design system
   Dark by default; [data-theme="light"] on <html> swaps the palette.
   Code blocks intentionally stay dark in both themes (terminal motif).
   ================================================================= */

:root{
  --bg:#0b0f0e;
  --bg-elev:#0a1610;
  --bg-elev-2:#0c1c14;
  --text:#d7e0db;
  --text-dim:#8a978f;
  --text-mute:#7a8a80;
  --accent:#1fe06e;
  --accent-ink:#06120c;       /* text on accent fills */
  --accent-soft:rgba(31,224,110,.12);
  --accent-glow:rgba(31,224,110,.55);
  --border:rgba(255,255,255,.08);
  --border-accent:rgba(31,224,110,.30);
  --shadow:0 30px 60px rgba(0,0,0,.5);
  --maxw:1120px;
}

html[data-theme="light"]{
  --bg:#f3f6f3;
  --bg-elev:#ffffff;
  --bg-elev-2:#fbfdfb;
  --text:#14201a;
  --text-dim:#4c5b52;
  --text-mute:#8b988f;
  --accent:#047a34;
  --accent-ink:#ffffff;
  --accent-soft:rgba(4,124,52,.12);
  --accent-glow:rgba(4,124,52,.40);
  --border:rgba(20,32,26,.10);
  --border-accent:rgba(4,124,52,.40);
  --shadow:0 24px 50px rgba(20,40,28,.10);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
section,.hero{scroll-margin-top:80px}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);color:var(--text);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
  transition:background .25s ease,color .25s ease;
}
a{color:inherit;text-decoration:none}
.mono{font-family:'JetBrains Mono',ui-monospace,monospace}
.accent{color:var(--accent)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 1.6rem}
.eyebrow{font-family:'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;font-weight:700;color:var(--accent)}
section{padding:5rem 0}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav .inner{max-width:var(--maxw);margin:0 auto;padding:1.05rem 1.6rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav .logo{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:1rem;letter-spacing:-.02em}
.nav .logo b{color:var(--accent)}
.nav .links{display:flex;gap:1.6rem;font-family:'JetBrains Mono',monospace;font-size:.84rem;color:var(--text-dim);align-items:center}
.nav .links a{transition:color .15s}
.nav .links a:hover,.nav .links a.active{color:var(--accent)}
.nav .right{display:flex;align-items:center;gap:1.1rem}

/* theme toggle */
.toggle{
  width:54px;height:28px;border-radius:999px;border:1px solid var(--border);
  background:var(--bg-elev);position:relative;cursor:pointer;flex:none;transition:.2s;
}
.toggle:hover{border-color:var(--border-accent)}
.toggle .knob{
  position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;
  background:var(--accent);transition:transform .22s cubic-bezier(.4,1.3,.5,1);
  display:flex;align-items:center;justify-content:center;font-size:.7rem;color:var(--accent-ink);
}
html[data-theme="light"] .toggle .knob{transform:translateX(26px)}

/* hamburger (mobile only) */
.hamburger{display:none;width:40px;height:32px;border:1px solid var(--border);border-radius:8px;background:var(--bg-elev);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;flex:none}
.hamburger:hover{border-color:var(--border-accent)}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px}

/* skip-to-content link (visible on focus) */
.skip-link{position:absolute;left:1rem;top:-3.5rem;z-index:200;background:var(--accent);color:var(--accent-ink);font-family:'JetBrains Mono',monospace;font-size:.82rem;font-weight:700;padding:.6rem 1rem;border-radius:8px;transition:top .18s}
.skip-link:focus{top:1rem;outline:none}

/* mobile: collapse links into a dropdown toggled by the hamburger */
@media(max-width:720px){
  .hamburger{display:flex}
  .nav .links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;
    background:color-mix(in srgb,var(--bg) 96%,transparent);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);
    padding:.4rem 1.6rem 1rem;
  }
  .nav .links.open{display:flex}
  .nav .links a{padding:.85rem 0;font-size:1rem;border-bottom:1px solid var(--border)}
  .nav .links a:last-child{border-bottom:none}
}

/* ---------- Buttons ---------- */
.btn{font-family:'JetBrains Mono',monospace;font-size:.85rem;font-weight:500;padding:.82rem 1.45rem;border-radius:8px;transition:.18s;display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;border:1px solid transparent}
.btn.primary{background:var(--accent);color:var(--accent-ink);font-weight:700}
.btn.primary:hover{box-shadow:0 0 26px var(--accent-glow);transform:translateY(-1px)}
.btn.ghost{border-color:var(--border);color:var(--text)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- Hero ---------- */
.hero{padding:5rem 0 4rem}
h1.title{font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.04;letter-spacing:-.03em;font-weight:800;margin:1.5rem 0 1.3rem}
h1.title em{font-style:normal;color:var(--accent)}
.lead{font-size:1.15rem;color:var(--text-dim);max-width:620px;line-height:1.62}
.cta-row{display:flex;gap:1rem;margin-top:2.1rem;flex-wrap:wrap}

/* ---------- Section heads ---------- */
.sec-head{margin-bottom:2.6rem;max-width:680px}
.sec-head h2{font-size:clamp(1.8rem,4vw,2.3rem);letter-spacing:-.025em;margin-top:.7rem;font-weight:800}
.sec-head p{color:var(--text-dim);margin-top:.8rem;font-size:1.02rem;line-height:1.6}

/* ---------- Grid + cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
@media(max-width:820px){.grid-3{grid-template-columns:1fr}}

.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:13px;padding:1.8rem;transition:.2s}
.card:hover{border-color:var(--border-accent);transform:translateY(-3px)}
.card .ix{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:.8rem;margin-bottom:.9rem}
.card h3{font-size:1.12rem;margin-bottom:.55rem;letter-spacing:-.01em}
.card p{color:var(--text-dim);font-size:.92rem;line-height:1.6}
.card .tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1.1rem}
.card .tags span{font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--text-mute);border:1px solid var(--border);padding:.22rem .55rem;border-radius:5px}

/* unit of sale: how it's bought + what lands */
.card .unit{margin-top:1.2rem;padding-top:1rem;border-top:1px solid var(--border)}
.card .unit .shape{font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--accent);letter-spacing:.03em}
.card .unit .deliv{color:var(--text-mute);font-size:.84rem;line-height:1.5;margin-top:.45rem}

/* featured "start here" card */
.card.featured{border-color:var(--border-accent);background:var(--accent-soft)}
.card.featured .ix{color:var(--accent)}
.card .badge{display:inline-block;font-family:'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.14em;font-size:.64rem;font-weight:700;color:var(--accent-ink);background:var(--accent);padding:.2rem .5rem;border-radius:5px;margin-bottom:.9rem}

/* ---------- Code card (always dark) ---------- */
.code-card{background:#06100b;border:1px solid rgba(61,220,132,.18);border-radius:12px;overflow:hidden;font-family:'JetBrains Mono',monospace;font-size:.82rem;box-shadow:var(--shadow)}
.code-card .bar{display:flex;gap:.5rem;padding:.8rem 1rem;border-bottom:1px solid rgba(255,255,255,.06);background:#0a1610;align-items:center}
.code-card .bar i{width:11px;height:11px;border-radius:50%;display:block}
.code-card .bar .fname{margin-left:.6rem;color:#5f6f66;font-size:.74rem}
.code-card .body{padding:1.3rem 1.4rem;line-height:1.95;color:#9fb0a6}
.code-card .body .k{color:#3ddc84}
.code-card .body .c{color:#5f6f66}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:2rem}}
.split .prose{color:var(--text-dim);font-size:1.05rem;line-height:1.7;max-width:480px}

/* ---------- CTA band ---------- */
.cta-band{border:1px solid var(--border-accent);background:var(--accent-soft);border-radius:18px;padding:3rem;text-align:center}
.cta-band h2{font-size:clamp(1.8rem,4vw,2.4rem);letter-spacing:-.025em;font-weight:800}
.cta-band p{color:var(--text-dim);margin:.8rem auto 1.8rem;max-width:520px}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--border);padding:2.4rem 0;color:var(--text-mute);font-family:'JetBrains Mono',monospace;font-size:.82rem}
footer .inner{max-width:var(--maxw);margin:0 auto;padding:0 1.6rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
footer a:hover{color:var(--accent)}

/* ---------- Clients ---------- */
.clients-row{display:flex;flex-wrap:wrap;gap:1rem 2.4rem;align-items:center}
.clients-row span{font-family:'JetBrains Mono',monospace;font-size:.88rem;color:var(--text-dim);padding:.5rem 1rem;border:1px solid var(--border);border-radius:7px}

/* ---------- Contact meta ---------- */
.contact-meta{display:flex;gap:2rem;justify-content:center;flex-wrap:wrap;margin-top:1.4rem;font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--text-mute)}

/* ---------- Footer legal buttons ---------- */
.link-btn{background:none;border:none;padding:0;cursor:pointer;color:var(--text-mute);font-family:'JetBrains Mono',monospace;font-size:.82rem;transition:color .15s}
.link-btn:hover{color:var(--accent)}
.footer-legal{display:flex;gap:1.4rem}

/* ---------- Legal modals ---------- */
.legal-modal{position:fixed;inset:0;z-index:500;display:flex;align-items:center;justify-content:center;padding:1rem}
.legal-modal[hidden]{display:none}
.legal-modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.72)}
.legal-modal__panel{
  position:relative;z-index:1;
  background:var(--bg-elev);border:1px solid var(--border);border-radius:14px;
  padding:2rem 2rem 2.4rem;max-width:640px;width:100%;
  max-height:90vh;overflow-y:auto;
  box-shadow:var(--shadow);
}
.legal-modal__panel h2{font-size:1.45rem;font-weight:800;letter-spacing:-.025em;margin-bottom:1.4rem}
.legal-modal__panel h3{font-family:'JetBrains Mono',monospace;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin:1.4rem 0 .5rem}
.legal-modal__panel p,.legal-modal__panel ul{color:var(--text-dim);font-size:.93rem;line-height:1.6}
.legal-modal__panel ul{padding-left:1.2rem;margin-top:.4rem}
.legal-modal__panel ul li{margin-bottom:.25rem}
.legal-modal__panel a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.legal-modal__close{
  position:absolute;top:1rem;right:1rem;
  background:none;border:1px solid var(--border);border-radius:6px;
  width:32px;height:32px;cursor:pointer;
  color:var(--text-dim);font-size:1.1rem;line-height:1;
  transition:.15s;
}
.legal-modal__close:hover{border-color:var(--accent);color:var(--accent)}
@media(max-width:680px){
  .legal-modal__panel{padding:1.4rem 1.2rem 1.8rem;border-radius:10px}
}
