/* Tonefer — design system */
:root{
  --ink:#0d1116;
  --ink-2:#12161c;
  --steel:#1c232c;
  --line:#e2e5ea;
  --line-dark:rgba(255,255,255,.12);
  --paper:#ffffff;
  --paper-2:#f4f5f7;
  --text:#1a1f26;
  --text-muted:#5a6472;
  --text-invert:#f2f4f7;
  --text-invert-muted:#a8b2bf;
  --accent:#c8641e;
  --accent-strong:#a94f12;
  --accent-soft:rgba(200,100,30,.12);
  --font: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --max:1200px;
  --s1:.5rem; --s2:1rem; --s3:1.5rem; --s4:2rem; --s5:3rem; --s6:4.5rem; --s7:6.5rem;
  --radius:4px;
  --shadow:0 18px 40px -24px rgba(13,17,22,.45);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--paper);line-height:1.65;overflow-x:hidden;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;margin:0 0 var(--s2);font-weight:750}
h1{font-size:clamp(2.1rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem)}
h3{font-size:1.05rem;letter-spacing:-.01em}
p{margin:0 0 var(--s2)}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--s3)}
.eyebrow{font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--accent);margin-bottom:var(--s2)}
.lead{font-size:1.1rem;color:var(--text-muted)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.75rem 1rem;z-index:200}
.skip-link:focus{left:var(--s2);top:var(--s2)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.5rem;border-radius:var(--radius);font-weight:700;font-size:.95rem;letter-spacing:.02em;border:1.5px solid transparent;transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-strong);transform:translateY(-2px)}
.btn-ghost{border-color:currentColor;color:inherit}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}

/* Header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(13,17,22,.94);backdrop-filter:blur(10px);border-bottom-color:var(--line-dark)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--s3);min-height:76px}
.brand img{width:150px;height:auto}
.nav{display:flex;align-items:center;gap:var(--s4)}
.nav ul{display:flex;gap:var(--s3)}
.nav a{color:var(--text-invert);font-size:.92rem;font-weight:600;position:relative;padding:.35rem 0}
.nav ul a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--accent);transition:right .25s ease}
.nav ul a:hover::after{right:0}
.nav-cta{padding:.7rem 1.2rem}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:.6rem;cursor:pointer}
.burger span{width:26px;height:2px;background:var(--text-invert);transition:transform .25s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;min-height:min(92vh,820px);display:flex;align-items:flex-end;background:var(--ink);overflow:hidden;padding:9rem 0 var(--s6)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,17,22,.94) 0%,rgba(13,17,22,.72) 45%,rgba(13,17,22,.35) 100%)}
.hero-inner{position:relative;z-index:2;color:var(--text-invert);max-width:820px}
.hero h1{margin-bottom:var(--s3)}
.hero .lead{color:var(--text-invert-muted);max-width:60ch;font-size:1.15rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--s2);margin-top:var(--s4)}
.hero-facts{display:flex;flex-wrap:wrap;gap:var(--s5);margin-top:var(--s5);padding-top:var(--s3);border-top:1px solid var(--line-dark)}
.hero-facts li{display:flex;flex-direction:column}
.hero-facts strong{font-size:1.4rem;letter-spacing:-.02em}
.hero-facts span{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-invert-muted)}

/* Sections */
.section{padding:var(--s7) 0}
.section-alt{background:var(--paper-2)}
.section-dark{background:var(--ink-2);color:var(--text-invert)}
.section-dark .lead{color:var(--text-invert-muted)}
.section-head{max-width:66ch;margin-bottom:var(--s5)}
.grid-2{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--s6);align-items:center}
.media img{border-radius:var(--radius);box-shadow:var(--shadow)}
.facts{display:grid;gap:var(--s2);margin:var(--s4) 0 0;padding-top:var(--s3);border-top:1px solid var(--line)}
.facts div{display:flex;flex-wrap:wrap;gap:.5rem}
.facts dt{font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);min-width:160px}
.facts dd{margin:0;font-size:.95rem}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s3)}
.cards-4{grid-template-columns:repeat(3,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:var(--s4);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
.card svg{width:34px;height:34px;color:var(--accent);margin-bottom:var(--s2)}
.card p{margin:0;color:var(--text-muted);font-size:.95rem}
.card-dark{background:rgba(255,255,255,.04);border-color:var(--line-dark)}
.card-dark p{color:var(--text-invert-muted)}
.note{margin-top:var(--s4);color:var(--text-muted);font-size:.95rem}

/* Steps */
.steps{display:grid;gap:var(--s3);margin:var(--s4) 0}
.steps li{display:flex;gap:var(--s3);align-items:flex-start}
.steps span{font-weight:800;color:var(--accent);font-size:.9rem;letter-spacing:.08em;padding-top:.15rem;min-width:2rem}
.steps h3{margin-bottom:.2rem}
.steps p{margin:0;color:var(--text-muted);font-size:.95rem}

/* Pillars */
.pillars{display:grid;gap:var(--s2)}
.pillars li{background:var(--paper);border-left:3px solid var(--accent);padding:var(--s3) var(--s4);border-radius:0 var(--radius) var(--radius) 0}
.pillars h3{margin-bottom:.25rem}
.pillars p{margin:0;color:var(--text-muted);font-size:.95rem}

/* CTA */
.cta{background:var(--ink);color:var(--text-invert);padding:var(--s6) 0}
.cta-inner{max-width:760px}
.cta p{color:var(--text-invert-muted);font-size:1.1rem}

/* Contact */
.contact-list{display:grid;gap:var(--s3);margin-top:var(--s3)}
.contact-list h3{margin-bottom:.2rem;font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted)}
.contact-list p{margin:0;font-size:1.05rem}
.contact-list a:hover{color:var(--accent)}
.map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:380px}
.map iframe{width:100%;height:100%;min-height:380px;border:0;display:block}

/* Footer */
.site-footer{background:var(--ink-2);color:var(--text-invert-muted);padding:var(--s5) 0 var(--s3);font-size:.92rem}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:var(--s4)}
.site-footer img{margin-bottom:var(--s2)}
.site-footer a:hover{color:var(--accent)}
.footer-inner nav ul{display:grid;gap:.45rem}
.copyright{margin-top:var(--s4);padding-top:var(--s2);border-top:1px solid var(--line-dark);font-size:.82rem}
.copyright p{margin:0}

/* Floating call */
.float-call{position:fixed;right:1rem;bottom:1rem;z-index:90;display:inline-flex;align-items:center;gap:.5rem;background:var(--accent);color:#fff;padding:.8rem 1.1rem;border-radius:999px;font-weight:700;font-size:.9rem;box-shadow:0 12px 28px -12px rgba(0,0,0,.6)}
.float-call svg{width:20px;height:20px}
.float-call:hover{background:var(--accent-strong)}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* 404 */
.page-404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:var(--ink);color:var(--text-invert);padding:var(--s4)}
.page-404 .code{font-size:clamp(4rem,14vw,8rem);font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--accent)}
.page-404 p{color:var(--text-invert-muted);max-width:46ch;margin-inline:auto}
.page-404 img{margin:0 auto var(--s4)}

/* Responsive */
@media (max-width:980px){
  .grid-2{grid-template-columns:1fr;gap:var(--s4)}
  .grid-2.reverse figure{order:2}
  .cards{grid-template-columns:repeat(2,1fr)}
  .cards-4{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .burger{display:flex}
  .nav{position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:rgba(13,17,22,.98);padding:var(--s2) var(--s3) var(--s4);border-bottom:1px solid var(--line-dark);transform:translateY(-120%);transition:transform .3s ease;max-height:calc(100vh - 76px);overflow-y:auto}
  .nav.open{transform:none}
  .nav ul{flex-direction:column;gap:0}
  .nav ul li{border-bottom:1px solid var(--line-dark)}
  .nav ul a{display:block;padding:.9rem 0;font-size:1rem}
  .nav ul a::after{display:none}
  .nav-cta{margin-top:var(--s3);width:100%}
  .site-header{background:rgba(13,17,22,.94)}
}
@media (max-width:640px){
  body{font-size:16px}
  .section{padding:var(--s6) 0}
  .hero{padding:7.5rem 0 var(--s5);min-height:auto}
  .hero-facts{gap:var(--s3) var(--s4)}
  .cards,.cards-4{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .float-call span{display:none}
  .float-call{padding:.9rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}