/* ============================================================
   VINI AI — shared design system "Warm Futurism / Deep-Sea Tech"
   Palette: cool blues = the machine · coral = the human
   Structure: ES at root, /en/ and /pt/ subfolders
   ============================================================ */
:root{
  --abyss:#06131F;        /* page background */
  --trench:#0A2233;       /* cards / alt sections */
  --cerulean:#309BCA;     /* brand, from logo */
  --lagoon:#56C1F2;       /* bright accent on dark */
  --aqua:#35E0C0;         /* bioluminescent highlight */
  --coral:#FF7A5C;        /* THE human color — CTAs & human words only */
  --foam:#F2F9FD;
  --mist:#9FB6C6;
  --hairline:rgba(242,249,253,.10);
  --ink-on-coral:#10181F;
  --font-display:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:linear-gradient(180deg,#0B2A40 0%,var(--abyss) 28%,#04101B 100%);
  color:var(--foam);font-family:var(--font-body);font-size:1.06rem;line-height:1.7;
  overflow-x:hidden;
}
/* deeper water variant (water/augmentation pages) */
body.deep{background:linear-gradient(180deg,#0A2233 0%,#04101B 30%,#020A12 100%)}
::selection{background:var(--cerulean);color:var(--abyss)}
a{color:var(--lagoon)}
h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.08;letter-spacing:-.01em}
.human{color:var(--coral);font-style:normal}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
section{padding:100px 0;position:relative}

/* ---------- eyebrow / depth labels ---------- */
.eyebrow{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--lagoon);display:flex;align-items:center;gap:14px}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--lagoon);display:inline-block}
h2{font-size:clamp(2rem,4vw,3rem);margin:20px 0 18px}
.lead{color:var(--mist);max-width:640px}

/* ---------- nav ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(6,19,31,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--hairline)}
body.deep nav{background:rgba(4,16,27,.72)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--foam)}
.brand img{width:32px;height:32px}
.brand span{font-family:var(--font-display);font-weight:700;font-size:1.15rem}
.nav-right{display:flex;align-items:center;gap:22px}
.navlinks{display:flex;gap:26px;align-items:center}
.navlinks a{color:var(--mist);text-decoration:none;font-size:.92rem;transition:color .2s;white-space:nowrap}
.navlinks a:hover,.navlinks a[aria-current]{color:var(--foam)}
.lang{display:flex;gap:12px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em}
.lang a{color:var(--mist);text-decoration:none}
.lang a.on{color:var(--aqua)}
.lang a:hover{color:var(--foam)}
.btn{display:inline-block;background:var(--coral);color:var(--ink-on-coral);
  font-family:var(--font-display);font-weight:700;text-decoration:none;
  padding:12px 26px;border-radius:999px;font-size:.98rem;white-space:nowrap;
  transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,122,92,.35)}
.btn-ghost{background:transparent;color:var(--lagoon);border:1px solid rgba(86,193,242,.5)}
.btn-ghost:hover{border-color:var(--aqua);box-shadow:0 0 24px rgba(53,224,192,.25)}
@media(max-width:860px){.navlinks{display:none}}

/* ---------- depth rail ---------- */
.rail{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:40;
  font-family:var(--font-mono);color:var(--mist);text-align:center;font-size:.68rem;letter-spacing:.14em}
.rail .track{width:1px;height:120px;background:var(--hairline);margin:10px auto;position:relative}
.rail .dot{position:absolute;left:-2.5px;width:6px;height:6px;border-radius:50%;
  background:var(--aqua);box-shadow:0 0 10px var(--aqua)}
@media(max-width:900px){.rail{display:none}}

/* ---------- particles ---------- */
#plankton{position:fixed;inset:0;z-index:0;pointer-events:none}
main{position:relative;z-index:1}

/* ---------- hero ---------- */
.hero{min-height:92vh;display:flex;align-items:center;padding-top:120px}
.hero .wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr}}
.hero h1{font-size:clamp(2.5rem,5.6vw,4.5rem);margin:26px 0 22px}
.hero p{color:var(--mist);max-width:560px}
.cta-row{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.stat-chip{display:inline-block;margin-top:30px;border:1px solid rgba(255,122,92,.45);
  border-radius:12px;padding:14px 20px;font-family:var(--font-mono);font-size:.82rem;
  color:var(--foam);letter-spacing:.04em;background:rgba(255,122,92,.07)}
.status-chip{display:inline-block;margin-top:30px;border:1px solid rgba(53,224,192,.45);
  border-radius:12px;padding:14px 20px;font-family:var(--font-mono);font-size:.82rem;
  color:var(--foam);letter-spacing:.04em;background:rgba(53,224,192,.06)}
.orb{position:relative;width:260px;height:260px;margin:0 auto;justify-self:center}
.orb img{width:200px;height:200px;border-radius:50%;position:absolute;inset:30px}
.orb .ring{position:absolute;inset:0;border:1.5px dashed rgba(86,193,242,.45);border-radius:50%;
  animation:spin 46s linear infinite}
.orb .ring2{position:absolute;inset:24px;border:1px solid rgba(53,224,192,.28);border-radius:50%;
  border-top-color:transparent;border-bottom-color:transparent;animation:spin 30s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- beliefs (home) ---------- */
.beliefs .statement{display:grid;grid-template-columns:90px 1fr;gap:28px;padding:44px 0;
  border-top:1px solid var(--hairline);align-items:start}
.beliefs .statement:last-of-type{border-bottom:1px solid var(--hairline)}
.beliefs .num{font-family:var(--font-mono);color:var(--lagoon);font-size:.9rem;padding-top:14px}
.beliefs h3{font-size:clamp(1.5rem,2.6vw,2.2rem);margin-bottom:10px}
.beliefs p{color:var(--mist);max-width:620px}

/* ---------- cards / bento ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:52px}
.bento.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:960px){.bento,.bento.cols-2{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.bento,.bento.cols-2{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,rgba(10,34,51,.65),rgba(6,19,31,.35));
  border:1px solid var(--hairline);border-radius:16px;padding:30px;
  transition:border-color .25s,box-shadow .25s,transform .25s}
.card:hover{border-color:rgba(53,224,192,.5);box-shadow:0 0 30px rgba(53,224,192,.12);transform:translateY(-3px)}
.card .idx{font-family:var(--font-mono);font-size:.72rem;color:var(--mist);letter-spacing:.14em}
.card h3{font-size:1.25rem;margin:12px 0 8px}
.card p{color:var(--mist);font-size:.97rem;line-height:1.65}

/* ---------- why-now split (home) ---------- */
.whynow .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
@media(max-width:900px){.whynow .wrap{grid-template-columns:1fr}}
.whynow .body p{color:var(--mist);margin-bottom:20px}
.whynow strong{color:var(--foam)}
.proofs{display:flex;flex-direction:column;gap:26px}
.proof{border-left:2px solid var(--cerulean);padding:6px 0 6px 22px}
.proof .tag{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;color:var(--mist);text-transform:uppercase}
.proof .big{font-family:var(--font-display);font-weight:700;font-size:1.5rem;margin-top:6px}

/* ---------- big number + pain list (simulation page) ---------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.bignum{font-family:var(--font-display);font-weight:700;font-size:clamp(5rem,12vw,9rem);
  line-height:1;color:var(--coral)}
.bignum-cap{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.12em;color:var(--mist);
  text-transform:uppercase;margin-top:14px;max-width:320px;line-height:1.8}
.pains{display:flex;flex-direction:column;gap:22px}
.pain{display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start}
.pain .n{font-family:var(--font-mono);color:var(--lagoon);font-size:.78rem;padding-top:6px}
.pain h3{font-size:1.15rem;margin-bottom:4px}
.pain p{color:var(--mist);font-size:.97rem}

/* ---------- steps / method / pattern ---------- */
.steps{margin-top:56px;position:relative;padding-left:36px}
.steps::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--cerulean),var(--aqua))}
.step{position:relative;padding:0 0 40px}
.step::before{content:"";position:absolute;left:-31px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--abyss);border:2px solid var(--lagoon);box-shadow:0 0 12px rgba(86,193,242,.5)}
.step .k{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;color:var(--aqua);text-transform:uppercase}
.step h3{font-size:1.3rem;margin:8px 0}
.step p{color:var(--mist);max-width:600px}

/* ---------- trust (home) ---------- */
.trust{background:rgba(10,34,51,.35)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:52px}
@media(max-width:960px){.trust-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.trust-grid{grid-template-columns:1fr}}
.trust .card{padding:24px}
.trust h3{font-size:1.05rem;margin:0 0 8px}
.trust p{font-size:.9rem}

/* ---------- products / focus areas (home) ---------- */
.products-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:52px}
@media(max-width:760px){.products-grid{grid-template-columns:1fr}}
.lab{border:1.5px dashed rgba(86,193,242,.45);border-radius:16px;padding:36px;
  position:relative;overflow:hidden;background:rgba(6,19,31,.4);
  transition:border-color .25s,box-shadow .25s}
.lab:hover{border-color:var(--aqua);box-shadow:0 0 34px rgba(53,224,192,.14)}
.lab.solid{border-style:solid;border-color:rgba(53,224,192,.5)}
.lab .status{position:absolute;top:18px;right:18px;font-family:var(--font-mono);font-size:.66rem;
  letter-spacing:.18em;color:var(--aqua);border:1px solid rgba(53,224,192,.4);
  padding:5px 12px;border-radius:999px}
.lab h3{font-family:var(--font-mono);font-weight:500;font-size:1rem;letter-spacing:.1em;color:var(--mist)}
.lab .ph{font-family:var(--font-display);font-weight:700;font-size:1.6rem;margin:14px 0 10px;color:var(--foam)}
.lab p{color:var(--mist);font-size:.95rem}
.shimmer{height:1px;margin:22px 0;background:linear-gradient(90deg,transparent,rgba(53,224,192,.6),transparent);
  background-size:200% 100%;animation:shimmer 3.2s linear infinite}
@keyframes shimmer{to{background-position:-200% 0}}

/* ---------- stats & window (simulation page) ---------- */
.statrow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:52px}
@media(max-width:860px){.statrow{grid-template-columns:1fr}}
.statcard{border-left:2px solid var(--cerulean);padding:6px 0 6px 22px}
.statcard .num{font-family:var(--font-display);font-weight:700;font-size:2rem;color:var(--lagoon)}
.statcard p{color:var(--mist);font-size:.92rem;margin-top:6px}
.window{margin-top:44px;border:1px solid var(--hairline);border-left:2px solid var(--aqua);
  border-radius:12px;padding:24px 28px;color:var(--mist);background:rgba(10,34,51,.4)}
.window strong{color:var(--foam)}

/* ---------- north star ---------- */
.northstar{text-align:center}
.northstar h2{font-size:clamp(1.8rem,3.6vw,2.6rem);max-width:820px;margin:20px auto 0}
.northstar .eyebrow{justify-content:center}
.northstar .eyebrow::before{display:none}

/* ---------- engines / why-cards (augmentation page) ---------- */
.whygrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:52px}
@media(max-width:860px){.whygrid{grid-template-columns:1fr}}
.why{border-top:2px solid var(--cerulean);padding-top:20px}
.why h3{font-size:1.25rem;margin-bottom:8px}
.why p{color:var(--mist);font-size:.97rem}
.engines{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:52px}
@media(max-width:860px){.engines{grid-template-columns:1fr}}
.engine{background:linear-gradient(180deg,rgba(10,34,51,.65),rgba(6,19,31,.35));
  border:1px solid var(--hairline);border-radius:16px;padding:34px;
  transition:border-color .25s,box-shadow .25s}
.engine:hover{border-color:rgba(53,224,192,.5);box-shadow:0 0 30px rgba(53,224,192,.12)}
.engine .idx{font-family:var(--font-mono);font-size:.72rem;color:var(--aqua);letter-spacing:.16em}
.engine h3{font-size:1.5rem;margin:14px 0 10px}
.engine .q{font-family:var(--font-display);color:var(--lagoon);font-size:1.05rem;margin-bottom:14px}
.engine p{color:var(--mist);font-size:.97rem;margin-bottom:14px}
.engine ul{list-style:none;margin:16px 0 0}
.engine li{padding:9px 0 9px 26px;position:relative;color:var(--mist);font-size:.95rem;
  border-top:1px solid var(--hairline)}
.engine li::before{content:"·";position:absolute;left:8px;color:var(--aqua);font-weight:700}
.engine li strong{color:var(--foam);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;border:1px solid var(--hairline);
  padding:6px 12px;border-radius:999px;color:var(--mist)}
.weights{display:grid;grid-template-columns:1fr 2fr;gap:10px;align-items:center;
  font-family:var(--font-mono);font-size:.75rem;color:var(--mist);margin-top:18px}
.weights .bar{height:6px;border-radius:3px;background:linear-gradient(90deg,var(--cerulean),var(--aqua))}
.combined{margin-top:44px;text-align:center}
.combined .line{font-family:var(--font-display);font-weight:700;font-size:clamp(1.3rem,2.6vw,1.9rem)}
.combined .x{color:var(--coral);font-family:var(--font-mono);font-size:1.2rem;margin:0 14px}

/* ---------- pilot strip ---------- */
.pilotstrip{border:1px solid rgba(53,224,192,.35);border-radius:16px;padding:30px 34px;
  background:rgba(53,224,192,.05);display:flex;justify-content:space-between;gap:24px;
  align-items:center;flex-wrap:wrap;margin-top:20px}
.pilotstrip .t{font-family:var(--font-display);font-weight:700;font-size:1.3rem}
.pilotstrip p{color:var(--mist);font-size:.95rem;margin-top:6px;max-width:640px}

/* ---------- final cta ---------- */
.final{text-align:center;padding:140px 0}
.final::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 60% 50% at 50% 100%,rgba(53,224,192,.14),transparent 70%)}
.final h2{font-size:clamp(2.2rem,5vw,3.6rem)}
.final p{color:var(--mist);max-width:560px;margin:18px auto 40px}
.final .cta-row{justify-content:center}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--hairline);padding:44px 0 60px;font-size:.88rem;color:var(--mist)}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
footer .brand span{font-size:1rem}
.made{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}