/* ============================================================
   SimpleTI / Simplicio — design system · MOBILE FIRST
   Black background · green + yellow · futuristic AI
   Inspired by pi.dev & opencode.ai. No framework.
   ============================================================ */

:root {
  --bg: #060709;
  --bg-soft: #0b0d10;
  --panel: #0f1318;
  --panel-2: #161b21;
  --line: #20262d;
  --fg: #ffffff;
  --mut: #ffffff;
  --mut-2: #ffffff;
  --acc: #2fe6a0;        /* green */
  --acc-2: #ffd23f;      /* yellow */
  --gold: #ffd23f;
  --warn: #ff5c5c;
  --radius: 14px;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(40rem 30rem at 80% -10%, rgba(47,230,160,.12), transparent 60%),
    radial-gradient(36rem 30rem at 5% 5%, rgba(255,210,63,.08), transparent 55%);
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
::selection { background: rgba(47,230,160,.28); }

/* base = mobile */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 18px; }
.mono { font-family: var(--mono); }
.acc { color: var(--acc); } .acc2 { color: var(--acc-2); } .gold { color: var(--gold); } .mut { color: var(--mut); }

/* ---------- bolt logo ---------- */
.bolt { width: 20px; height: 22px; flex: none; filter: drop-shadow(0 0 8px rgba(47,230,160,.6)); }

/* ---------- nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px); background: rgba(6,7,9,.78); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 12px; height: 58px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; letter-spacing: -.02em; font-size: 15px; }
.nav-links { display: none; }
#lang { margin-left: auto; }
.nav-cta { font-size: 13px; padding: 8px 14px; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 20px; border-radius: 10px; font-weight: 600; font-size: 15px; cursor: pointer; border: 1px solid transparent; transition: transform .12s, background .15s, border-color .15s; width: 100%; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--acc); color: #04130c; }
.btn-primary:hover { background: #46f0b0; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--fg); }
.btn-ghost:hover { border-color: var(--acc); }
.btn-pix { background: var(--gold); color: #2a2200; }

/* ---------- hero ---------- */
.hero { padding: 56px 0 40px; }
.tag { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; color: var(--acc); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; background: rgba(47,230,160,.05); }
.hero h1 { font-size: clamp(2.1rem, 9vw, 4.4rem); line-height: 1.05; letter-spacing: -.035em; font-weight: 800; margin: 18px 0 14px; }
.hero h1 .grad { background: linear-gradient(100deg, var(--acc), var(--acc-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(1rem, 4.4vw, 1.25rem); color: var(--mut); max-width: 640px; }
.hero-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 26px; max-width: 380px; }

/* ---------- install tabs (pi.dev style) ---------- */
.install { margin-top: 30px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: rgba(11,13,16,.72); backdrop-filter: blur(8px); }
.install-tabs { display: flex; overflow-x: auto; border-bottom: 1px solid var(--line); scrollbar-width: none; }
.install-tabs::-webkit-scrollbar { display: none; }
.install-tabs button { flex: none; background: none; border: none; color: var(--mut); font-family: var(--mono); font-size: 12px; letter-spacing: .06em; padding: 13px 18px; cursor: pointer; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s; }
.install-tabs button:hover { color: var(--fg); }
.install-tabs button.active { color: var(--acc); border-bottom-color: var(--acc); }
.install-body { display: flex; align-items: center; gap: 10px; padding: 16px; font-family: var(--mono); font-size: 13px; }
.install-body .prompt { color: var(--mut-2); }
.install-body code { flex: 1; color: var(--fg); white-space: nowrap; overflow-x: auto; scrollbar-width: none; }
.install-body code::-webkit-scrollbar { display: none; }
.install-body code .c { color: var(--acc); }
.install-body .copy { flex: none; background: none; border: 1px solid var(--line); color: var(--acc); border-radius: 7px; padding: 7px 12px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; cursor: pointer; transition: background .15s, border-color .15s; }
.install-body .copy:hover { background: rgba(47,230,160,.1); border-color: var(--acc); }

.save-badge { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin-top: 24px; border: 1px solid rgba(47,230,160,.4); border-radius: 12px; padding: 14px 18px; background: rgba(47,230,160,.06); }
.save-badge b { font-size: 1.5rem; color: var(--acc); font-weight: 800; }
.save-badge span { color: var(--mut); font-size: .92rem; }

/* ---------- sections ---------- */
section.block { padding: 56px 0; border-top: 1px solid var(--line); }
.eyebrow { font-family: var(--mono); font-size: 11px; color: var(--acc); letter-spacing: .1em; text-transform: uppercase; }
.h2 { font-size: clamp(1.5rem, 6.5vw, 2.6rem); letter-spacing: -.03em; font-weight: 800; margin: 10px 0 12px; }
.sub { color: var(--mut); max-width: 620px; font-size: 1rem; }

/* ---------- grids (mobile = 1 col) ---------- */
.grid { display: grid; gap: 14px; margin-top: 30px; grid-template-columns: 1fr; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; transition: transform .15s, border-color .15s; }
.card:hover { transform: translateY(-3px); border-color: rgba(47,230,160,.4); }
.card .ic { font-family: var(--mono); font-size: 12px; color: var(--acc); margin-bottom: 12px; }
.card h3 { font-size: 1.1rem; letter-spacing: -.01em; margin-bottom: 7px; }
.card p { color: var(--mut); font-size: .94rem; }

/* ---------- benchmark table ---------- */
.bench { margin-top: 28px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.bench-row { display: grid; grid-template-columns: 1.3fr 1fr 1fr; }
.bench-row + .bench-row { border-top: 1px solid var(--line); }
.bench-row > div { padding: 13px 12px; font-size: .85rem; }
.bench-row.head > div { font-family: var(--mono); font-size: .72rem; font-weight: 700; letter-spacing: .04em; }
.bench-row.head .s { color: var(--acc); } .bench-row.head .o { color: var(--mut); }
.bench-row .k { color: var(--mut); font-weight: 600; }
.bench-row .s { color: var(--acc); font-family: var(--mono); } .bench-row .o { color: var(--mut); font-family: var(--mono); }
.bench-row:nth-child(even) { background: rgba(255,255,255,.015); }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 30px; }
.stat { border: 1px solid var(--line); border-radius: 12px; padding: 18px; background: var(--panel); }
.stat .v { font-size: 1.7rem; font-weight: 800; letter-spacing: -.03em; }
.stat .k { color: var(--mut); font-size: .82rem; margin-top: 5px; }

/* ---------- code block ---------- */
.codeblock { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: rgba(11,13,16,.72); }
.codeblock .cb-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 11px; color: var(--mut-2); }
.codeblock pre { margin: 0; padding: 16px; font-family: var(--mono); font-size: 12.5px; line-height: 1.75; overflow-x: auto; color: var(--fg); }
.codeblock pre .c { color: var(--acc); } .codeblock pre .cm { color: var(--mut-2); } .codeblock pre .hl { color: var(--gold); }

/* ---------- bar charts (benchmarks) ---------- */
.chart { margin-top: 28px; display: grid; gap: 22px; }
.chart-row .lbl { display: flex; justify-content: space-between; font-size: .82rem; margin-bottom: 7px; }
.chart-row .lbl .name { color: var(--fg); font-weight: 600; }
.chart-row .lbl .val { font-family: var(--mono); color: var(--mut); }
.bar { height: 12px; border-radius: 999px; background: var(--panel-2); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 999px; width: 0; transition: width 1.1s cubic-bezier(.2,.7,.2,1); }
.bar.win > i { background: linear-gradient(90deg, var(--acc), var(--acc-2)); box-shadow: 0 0 16px rgba(47,230,160,.5); }
.bar.lose > i { background: #8c97a0; }
.chart-cap { font-family: var(--mono); font-size: 11px; color: var(--mut-2); margin-top: 14px; }
.chart-grid { display: grid; gap: 30px; margin-top: 30px; }
@media (min-width: 720px) { .chart-grid { grid-template-columns: 1fr 1fr; } }
.chart-title { font-family: var(--mono); font-size: 12px; color: var(--acc); margin-bottom: 6px; }

/* ---------- trial banner (evidence) ---------- */
.trial { margin-top: 28px; border: 1px solid var(--acc); border-radius: 14px; padding: 18px 22px; background: linear-gradient(100deg, rgba(47,230,160,.12), rgba(255,210,63,.06)); display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.trial .big { font-size: 1.5rem; font-weight: 800; color: var(--acc); }
.trial .txt { color: var(--fg); font-size: .98rem; flex: 1; min-width: 200px; }

/* ---------- command docs ---------- */
.cmds { display: grid; gap: 12px; margin-top: 28px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .cmds { grid-template-columns: 1fr 1fr; } }
.cmd { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 16px 18px; }
.cmd code { font-family: var(--mono); font-size: 13px; color: var(--acc); display: block; margin-bottom: 6px; }
.cmd span { color: var(--mut); font-size: .86rem; }

/* ---------- rotating word ---------- */
.rot { display: inline-block; min-width: 4ch; color: var(--acc-2); }

/* ---------- ladder ---------- */
.ladder { display: flex; align-items: flex-end; gap: 8px; margin-top: 30px; flex-wrap: wrap; }
.rung { flex: 1; min-width: 64px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 12px 8px; text-align: center; }
.rung.local { border-color: rgba(47,230,160,.4); } .rung.remote { border-color: rgba(255,210,63,.4); }
.rung .n { font-family: var(--mono); font-size: 1.2rem; font-weight: 700; } .rung.local .n { color: var(--acc); } .rung.remote .n { color: var(--gold); }
.rung .l { font-size: .68rem; color: var(--mut); margin-top: 4px; }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 30px; }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; background: var(--panel); position: relative; }
.plan.feat { border-color: var(--acc); box-shadow: 0 0 0 1px rgba(47,230,160,.3), 0 24px 60px -40px rgba(47,230,160,.5); }
.plan .badge { position: absolute; top: -11px; right: 16px; background: var(--acc); color: #04130c; font-size: 11px; font-weight: 700; padding: 4px 11px; border-radius: 999px; }
.plan h3 { font-size: 1.2rem; }
.plan .p { font-size: 2.3rem; font-weight: 800; letter-spacing: -.03em; margin: 12px 0 4px; }
.plan .p small { font-size: .95rem; color: var(--mut); font-weight: 400; }
.plan ul { list-style: none; margin: 18px 0; display: grid; gap: 9px; }
.plan li { color: var(--mut); font-size: .92rem; display: flex; gap: 9px; }
.plan li::before { content: '⚡'; color: var(--acc); }
.plan .pay { display: grid; gap: 10px; margin-top: 6px; }

/* ---------- footer ---------- */
footer.ft { border-top: 1px solid var(--line); padding: 44px 0 36px; color: var(--mut); }
.ft-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.ft-grid > div:first-child { grid-column: 1 / -1; }
.ft h4 { font-family: var(--mono); font-size: 11px; color: var(--mut-2); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.ft a { display: block; color: var(--mut); font-size: .9rem; padding: 4px 0; }
.ft a:hover { color: var(--acc); }
.ft-bottom { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; font-size: .8rem; }

/* ---------- reveal (with fail-safe: never stays invisible) ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s, transform .6s; animation: revealFallback .01s 1.2s forwards; }
.reveal.in { opacity: 1; transform: none; animation: none; }
@keyframes revealFallback { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; animation: none; } }

/* ---------- three.js backdrop ---------- */
#bg3d { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: -1; display: block; pointer-events: none; }

/* ---------- mysterious AI-Labs landing ---------- */
.lab { min-height: 100svh; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 88px 20px 96px; position: relative; }
@media (max-width: 719px) { .lab { justify-content: flex-start; padding-top: 16vh; } }
.lab-mark { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 13px; letter-spacing: .24em; text-transform: uppercase; color: var(--mut); }
.lab-mark .bolt { width: 26px; height: 28px; }
.lab-mark b { color: var(--fg); font-weight: 700; }
.lab-mark span { color: var(--acc); }
.lab h1 { font-size: clamp(2rem, 9vw, 4.6rem); line-height: 1.06; letter-spacing: -.04em; font-weight: 800; margin: 30px 0 16px; max-width: 16ch; }
.lab h1 .grad { background: linear-gradient(100deg, var(--acc), var(--acc-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lab p { color: #ffffff; font-weight: 600; max-width: 32ch; font-size: clamp(1.05rem, 4.4vw, 1.4rem); text-shadow: 0 0 30px rgba(47,230,160,.25); }
.lab-enter { margin-top: 34px; display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 15px; color: #04130c; background: var(--acc); padding: 14px 26px; border-radius: 999px; font-weight: 700; transition: transform .15s, box-shadow .2s; box-shadow: 0 0 0 0 rgba(47,230,160,.5); }
.lab-enter:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px rgba(47,230,160,.6); }
.lab-foot { position: absolute; bottom: 24px; left: 0; right: 0; font-family: var(--mono); font-size: 11px; color: var(--mut-2); letter-spacing: .12em; }
.lab-cursor { display: inline-block; width: 9px; height: 1.05em; background: var(--acc); vertical-align: text-bottom; margin-left: 4px; animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ============================================================
   DESKTOP — min-width breakpoints (mobile-first scale up)
   ============================================================ */
@media (min-width: 720px) {
  .wrap { padding: 0 24px; }
  .nav-in { height: 64px; gap: 22px; }
  .nav-links { display: flex; gap: 20px; margin-left: auto; font-size: 14px; }
  .nav-links a { color: var(--mut); transition: color .15s; }
  .nav-links a:hover { color: var(--fg); }
  #lang { margin-left: 0; }
  .hero { padding: 90px 0 60px; }
  .hero-actions { flex-direction: row; max-width: none; }
  .btn { width: auto; }
  section.block { padding: 80px 0; }
  .grid.c2 { grid-template-columns: 1fr 1fr; }
  .grid.c3 { grid-template-columns: 1fr 1fr 1fr; }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .stat .v { font-size: 2.1rem; }
  .price-grid { grid-template-columns: 1fr 1fr; }
  .install { max-width: 680px; }
  .ft-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .ft-grid > div:first-child { grid-column: auto; }
  .ft-bottom { flex-direction: row; justify-content: space-between; }
  .bench-row > div { padding: 16px 18px; font-size: .95rem; }
}
@media (min-width: 980px) {
  .h2 { font-size: 2.6rem; }
}