/* ==========================================================================
   PLATA — design system 2026
   base.css: tokens, reset, typography, header, hero, marquee, footer
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --bg:#f3f1ea;
  --bg-soft:#efede5;
  --bg-card:#fbfaf6;
  --bg-elev:#ffffff;

  --line:rgba(18,20,14,.10);
  --line-strong:rgba(18,20,14,.20);

  --text:#12140e;
  --text-dim:#4e5347;
  --text-mute:#6b7062;

  --acc:#c8f751;
  color-scheme:light;
  --acc-ink:#12140e;
  --acc-deep:#4f6b00;
  --acc-dim:rgba(170,205,50,.28);
  --cyan:#0b6b7d;
  --cyan-dim:rgba(11,107,125,.10);
  --warn:#c2410c;
  --danger:#b42318;

  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;

  --container:1240px;
  --gutter:clamp(16px,4vw,40px);

  --font:'Manrope',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --serif:'Instrument Serif',Georgia,serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Consolas,monospace;

  --shadow:0 26px 70px -34px rgba(26,28,20,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.55;
  font-weight:500;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:1;
  opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--acc);color:var(--acc-ink)}

::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#d5d1c5;border-radius:8px;border:3px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#bdb8aa}

:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}

/* ---------- helpers ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.mono{font-family:var(--mono);font-size:.78em;letter-spacing:.06em;text-transform:uppercase}
.dim{color:var(--text-dim)}
.accent{color:var(--acc-deep)}
.serif{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
.grain{position:relative}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--text-mute);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--acc)}

.display{
  font-size:clamp(38px,6.6vw,84px);
  line-height:.98;
  letter-spacing:-.045em;
  font-weight:800;
}
.h2{
  font-size:clamp(30px,4.2vw,54px);
  line-height:1.02;
  letter-spacing:-.04em;
  font-weight:800;
}
.h3{font-size:clamp(20px,2.2vw,26px);line-height:1.2;letter-spacing:-.02em;font-weight:700}
.lead{font-size:clamp(16px,1.5vw,19px);line-height:1.6;color:var(--text-dim);max-width:60ch}

.section{padding:clamp(64px,9vw,130px) 0;position:relative}
.section--tight{padding:clamp(44px,6vw,80px) 0}
.section-head{display:flex;flex-wrap:wrap;gap:26px;align-items:flex-end;justify-content:space-between;margin-bottom:clamp(28px,4vw,52px)}
.section-head__text{max-width:760px}
.section-head .h2{margin-top:14px}
.section-head .lead{margin-top:18px}

/* ---------- buttons ---------- */
.btn{
  --btn-bg:transparent;
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 26px;border-radius:100px;
  background:var(--btn-bg);
  border:1px solid var(--line-strong);
  font-size:15px;font-weight:700;letter-spacing:-.01em;
  transition:transform .25s var(--ease),background .25s,border-color .25s,color .25s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn svg{width:16px;height:16px;flex:none}
.btn--primary{background:var(--acc);border-color:var(--acc-deep);color:var(--acc-ink)}
.btn--primary:hover{background:#d7ff6b;border-color:#d7ff6b;box-shadow:0 12px 40px -12px rgba(120,150,10,.65)}
.btn--ghost{background:rgba(18,20,14,.02)}
.btn--ghost:hover{background:rgba(18,20,14,.06);border-color:rgba(18,20,14,.26)}
.btn--sm{height:42px;padding:0 18px;font-size:13px}
.btn--block{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;
  color:var(--text);border-bottom:1px solid var(--line-strong);padding-bottom:4px;
  transition:gap .25s var(--ease),border-color .25s,color .25s;
}
.link-arrow:hover{gap:14px;border-color:var(--acc-deep);color:var(--acc-deep)}
.link-arrow svg{width:14px;height:14px}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:80;
  transition:background .3s,border-color .3s,backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(243,241,234,.82);
  backdrop-filter:blur(18px) saturate(1.3);
  -webkit-backdrop-filter:blur(18px) saturate(1.3);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand__mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(145deg,var(--acc),#7fae12);
  display:grid;place-items:center;color:#12140e;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.85);
}
.brand__mark svg{width:21px;height:21px}
.brand__name{font-weight:800;letter-spacing:-.04em;font-size:19px;line-height:1}
.brand__name span{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.24em;color:var(--text-mute);margin-top:5px;font-weight:500}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
  padding:9px 14px;border-radius:100px;font-size:14px;font-weight:600;color:var(--text-dim);
  transition:color .2s,background .2s;
}
.nav a:hover{color:var(--text);background:rgba(18,20,14,.05)}
.nav a.is-active{color:var(--text)}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.header-phone{
  font-family:var(--mono);font-size:13px;letter-spacing:.02em;color:var(--text);
  display:inline-flex;align-items:center;gap:8px;margin-right:6px;
}
.header-phone::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px rgba(170,205,50,.30)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;place-items:center}
.burger span{display:block;width:18px;height:1.5px;background:var(--text);position:relative;transition:.25s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--text);transition:.25s}
.burger span::before{top:-6px}.burger span::after{top:6px}
body.nav-open .burger span{background:transparent}
body.nav-open .burger span::before{top:0;transform:rotate(45deg)}
body.nav-open .burger span::after{top:0;transform:rotate(-45deg)}

.mobile-nav{
  position:fixed;inset:74px 0 auto 0;z-index:79;
  background:rgba(243,241,234,.97);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
  padding:16px var(--gutter) 28px;
  display:grid;gap:4px;
  transform:translateY(-12px);opacity:0;pointer-events:none;transition:.28s var(--ease);
}
body.nav-open .mobile-nav{transform:none;opacity:1;pointer-events:auto}
.mobile-nav a{padding:14px 8px;font-size:19px;font-weight:700;letter-spacing:-.02em;border-bottom:1px solid var(--line)}
.mobile-nav .btn{margin-top:16px}

/* ---------- hero ---------- */
.hero{position:relative;padding:clamp(112px,15vw,168px) 0 clamp(48px,7vw,88px);overflow:hidden}
.hero__bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero__bg::before{
  content:"";position:absolute;width:900px;height:900px;left:50%;top:-420px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(150,190,30,.20),transparent 62%);filter:blur(20px);
}
.hero__bg::after{
  content:"";position:absolute;right:-240px;top:120px;width:640px;height:640px;
  background:radial-gradient(circle,rgba(11,107,125,.08),transparent 65%);
}
.hero__grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 75% 60% at 50% 30%,#000 20%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 75% 60% at 50% 30%,#000 20%,transparent 80%);
  opacity:.5;
}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,64px);align-items:center}
.hero h1{margin-top:22px;font-size:clamp(34px,6vw,66px)}
.hero h1 .serif{color:var(--acc-deep)}
.hero__lead{margin-top:26px;max-width:52ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero__meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.hero__meta-item{}
.hero__meta-value{font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.04em;line-height:1}
.hero__meta-value span{color:var(--acc-deep)}
.hero__meta-label{font-size:12px;color:var(--text-mute);margin-top:7px;letter-spacing:.02em}

/* hero diagnostic card */
.diag-card{
  position:relative;border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  background:linear-gradient(160deg,#ffffff,#f8f6ef);
  padding:22px;box-shadow:var(--shadow);
  backdrop-filter:blur(6px);
}
.diag-card::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(140deg,rgba(120,150,10,.65),transparent 38%,transparent 62%,rgba(105,232,255,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.diag-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.diag-card__title{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-mute)}
.diag-card__status{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--acc-deep);text-transform:uppercase}
.diag-card__status i{width:6px;height:6px;border-radius:50%;background:var(--acc);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(200,247,81,.5)}50%{box-shadow:0 0 0 6px rgba(150,190,30,0)}}
.scope{
  position:relative;height:150px;border-radius:14px;border:1px solid var(--line);
  background:radial-gradient(ellipse at 50% 110%,rgba(150,190,30,.20),transparent 70%),#090b0d;
  overflow:hidden;
}
.scope canvas{width:100%;height:100%}
.scope__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:26px 26px}
.diag-card__rows{margin-top:16px;display:grid;gap:1px;background:var(--line);border-radius:12px;overflow:hidden}
.diag-row{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fbfaf6;padding:11px 14px;font-size:12.5px}
.diag-row__k{color:var(--text-mute);font-family:var(--mono);font-size:11px;letter-spacing:.04em}
.diag-row__v{font-family:var(--mono);font-size:11.5px;font-weight:500}
.diag-row__v.ok{color:var(--acc-deep)}
.diag-row__v.bad{color:var(--warn)}
.diag-card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:11.5px;color:var(--text-mute)}
.diag-card__foot b{color:var(--text);font-weight:700}

/* ---------- marquee ---------- */
.marquee-wrap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;background:rgba(18,20,14,.015);overflow:hidden;position:relative}
.marquee-wrap::before,.marquee-wrap::after{content:"";position:absolute;top:0;bottom:0;width:120px;z-index:2;pointer-events:none}
.marquee-wrap::before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
.marquee-wrap::after{right:0;background:linear-gradient(270deg,var(--bg),transparent)}
.marquee{display:flex;gap:52px;width:max-content;animation:marquee 42s linear infinite}
.marquee-wrap:hover .marquee{animation-play-state:paused}
.marquee span{
  font-size:clamp(15px,1.6vw,19px);font-weight:800;letter-spacing:-.02em;color:#8a8577;
  display:inline-flex;align-items:center;gap:52px;white-space:nowrap;
  transition:color .25s;
}
.marquee span::after{content:"";width:5px;height:5px;border-radius:50%;background:#b5b0a2}
.marquee span:hover{color:var(--text-dim)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:clamp(48px,6vw,80px) 0 32px;margin-top:0;position:relative;background:linear-gradient(180deg,transparent,rgba(18,20,14,.02))}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:clamp(24px,4vw,56px)}
.footer-brand p{margin-top:18px;color:var(--text-dim);font-size:14px;max-width:34ch}
.footer-col h4{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-mute);margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:var(--text-dim);transition:color .2s}
.footer-col a:hover{color:var(--acc-deep)}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-mute)}
.footer-bottom .mono{font-size:10px;letter-spacing:.1em}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}
[data-reveal-delay="4"]{transition-delay:.32s}
[data-reveal-delay="5"]{transition-delay:.4s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1;transform:none}
}