/* ============================================================
   Артём Северов — лыжник. Editorial / terracotta theme.
   ============================================================ */
:root{
  --ink:#20140d;
  --ink-soft:#5a4536;
  --paper:#f6efe4;
  --paper-2:#efe4d3;
  --card:#fffdf8;
  --terra:#c65328;      /* основной акцент */
  --terra-d:#a13c17;
  --ochre:#e0982f;
  --pine:#2f4a3a;
  --line:#e0d3bd;
  --shadow:24px 24px 0 rgba(32,20,13,.06);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter","Segoe UI",system-ui,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{
  font-family:"Georgia","Times New Roman",serif;
  line-height:1.06;letter-spacing:-.015em;font-weight:700;margin:0;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:"JetBrains Mono","SFMono-Regular",ui-monospace,monospace;font-variant-numeric:tabular-nums}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  background:var(--terra);color:#fff;font-weight:600;font-size:15px;
  padding:14px 26px;border:2px solid var(--terra);border-radius:0;cursor:pointer;
  transition:transform .15s ease,background .15s ease,box-shadow .15s ease;
  letter-spacing:.01em;
}
.btn:hover{background:var(--terra-d);border-color:var(--terra-d);transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(32,20,13,.18)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);box-shadow:6px 6px 0 rgba(198,83,40,.28)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ── Header ── */
.site-head{position:sticky;top:0;z-index:50;background:rgba(246,239,228,.9);backdrop-filter:blur(10px);border-bottom:2px solid var(--ink)}
.head-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;display:grid;place-items:center;
  background:var(--ink);color:var(--paper);font-family:Georgia,serif;font-weight:700;
  font-size:18px;letter-spacing:.02em;
}
.brand-txt{font-weight:700;font-size:16px;line-height:1.1;display:flex;flex-direction:column}
.brand-txt em{font-style:normal;font-weight:500;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--terra)}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:15px;font-weight:500;color:var(--ink-soft);transition:color .15s}
.nav a:hover{color:var(--terra)}
.nav a.btn{color:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:2.5px;background:var(--ink);transition:.25s}

/* ── Hero ── */
.hero{padding:64px 0 40px;position:relative}
.hero:before{content:"";position:absolute;top:-40px;right:-120px;width:420px;height:420px;background:radial-gradient(circle,var(--ochre) 0%,transparent 68%);opacity:.16;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--terra);font-weight:600;margin:0 0 18px}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.4rem)}
.lead{font-size:1.18rem;color:var(--ink-soft);margin:24px 0 32px;max-width:33ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-mini{display:flex;gap:34px;margin:40px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.hero-mini dt{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.hero-mini dd{margin:4px 0 0;font-family:Georgia,serif;font-size:1.5rem;font-weight:700}
.hero-card{position:relative;margin:0;border:2px solid var(--ink);box-shadow:var(--shadow);background:var(--ink)}
.hero-card img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:saturate(1.02)}
.hero-card figcaption{position:absolute;left:0;bottom:0;right:0;display:flex;justify-content:space-between;align-items:flex-end;padding:18px;background:linear-gradient(transparent,rgba(32,20,13,.82))}
.fc-tag{color:var(--paper);font-size:13px;letter-spacing:.05em;font-weight:500}
.fc-num{font-family:Georgia,serif;font-size:2.4rem;font-weight:700;color:var(--ochre);line-height:1}

/* ── Stats ── */
.stats{background:var(--ink);color:var(--paper)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:40px 24px;text-align:center;border-right:1px solid rgba(246,239,228,.14)}
.stat:last-child{border-right:0}
.stat-num{display:block;font-family:Georgia,serif;font-size:clamp(2.4rem,4.5vw,3.4rem);font-weight:700;color:var(--ochre);line-height:1}
.stat-label{display:block;margin-top:10px;font-size:14px;letter-spacing:.04em;color:rgba(246,239,228,.72)}

/* ── Sections ── */
.section{padding:92px 0}
.section-alt{background:var(--paper-2)}
.kicker{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--terra);font-weight:600;margin:0 0 14px}
.sec-head{margin-bottom:44px;max-width:60ch}
.sec-head h2,.section h2{font-size:clamp(2rem,3.6vw,3rem)}

/* about */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center}
.about-photo{margin:0;border:2px solid var(--ink);box-shadow:var(--shadow)}
.about-photo img{width:100%;aspect-ratio:5/6;object-fit:cover}
.about-copy h2{margin-bottom:20px}
.about-copy p{color:var(--ink-soft);margin:0 0 16px}
.creds{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:2px}
.creds li{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--line);font-size:15px}
.creds b{color:var(--terra);font-weight:600;letter-spacing:.02em}

/* results table */
.table-wrap{border:2px solid var(--ink);background:var(--card);box-shadow:var(--shadow);overflow-x:auto}
.results{width:100%;border-collapse:collapse;min-width:560px}
.results th{
  text-align:left;font-family:Inter,sans-serif;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--paper);background:var(--ink);padding:16px 22px;font-weight:600;
}
.results td{padding:18px 22px;border-top:1px solid var(--line);font-size:15px}
.results tbody tr{transition:background .15s}
.results tbody tr:hover{background:var(--paper-2)}
.ta-r{text-align:right}
.muted{color:var(--ink-soft)}
.place{display:inline-grid;place-items:center;width:34px;height:34px;font-family:Georgia,serif;font-weight:700;font-size:15px;border:2px solid var(--ink);color:var(--ink)}
.place-1{background:var(--ochre);border-color:var(--ochre)}
.place-2{background:#d9cdb6}
.place-3{background:#e2b487;border-color:#c98a53}

/* calculator */
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.calc-copy p{color:var(--ink-soft);margin:0 0 26px;max-width:42ch}
.calc-card{background:var(--card);border:2px solid var(--ink);box-shadow:var(--shadow);padding:32px}
.calc-field{margin-bottom:18px}
.calc-field label{display:block;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:8px;font-weight:600}
.calc-field input{width:100%;padding:14px 16px;border:2px solid var(--ink);border-radius:0;font-size:20px;font-family:"JetBrains Mono",monospace;background:var(--paper);color:var(--ink)}
.calc-field input:focus{outline:none;border-color:var(--terra);background:#fff}
.calc-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.calc-out{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;padding-top:24px;border-top:2px dashed var(--line)}
.calc-out-item{text-align:center;padding:16px;background:var(--ink);color:var(--paper)}
.co-label{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:rgba(246,239,228,.7)}
.co-val{display:block;margin-top:8px;font-size:1.9rem;font-weight:700;color:var(--ochre)}
.co-val em{font-style:normal;font-size:.95rem;color:rgba(246,239,228,.7)}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:14px}
.gallery figure{margin:0;overflow:hidden;border:2px solid var(--ink);background:var(--ink)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gallery figure:hover img{transform:scale(1.06)}
.g1{grid-column:span 2;grid-row:span 2}
.g2{grid-column:span 2}
.g3{grid-column:span 1;grid-row:span 1}
.g4{grid-column:span 1;grid-row:span 2}
.g5{grid-column:span 1}

/* faq */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq-list{display:grid;gap:0;border-top:2px solid var(--ink)}
.faq-item{border-bottom:2px solid var(--ink)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 0;display:flex;justify-content:space-between;
  align-items:center;gap:20px;font-family:Georgia,serif;font-size:1.2rem;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ico{position:relative;width:20px;height:20px;flex:none}
.faq-ico:before,.faq-ico:after{content:"";position:absolute;background:var(--terra);transition:transform .25s}
.faq-ico:before{top:9px;left:0;width:20px;height:2.5px}
.faq-ico:after{top:0;left:9px;width:2.5px;height:20px}
.faq-item[open] .faq-ico:after{transform:scaleY(0)}
.faq-item p{margin:0 0 24px;color:var(--ink-soft);max-width:60ch}

/* contact / cta */
.section-cta{background:var(--pine);color:var(--paper)}
.section-cta .kicker{color:var(--ochre)}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy p{color:rgba(246,239,228,.82);max-width:40ch}
.contact-lines{list-style:none;padding:0;margin:30px 0 0}
.contact-lines li{padding:14px 0;border-top:1px solid rgba(246,239,228,.18);font-size:16px}
.contact-lines span{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ochre);margin-bottom:3px}
.cta-form{background:var(--paper);color:var(--ink);border:2px solid var(--ink);box-shadow:16px 16px 0 rgba(0,0,0,.22);padding:34px}
.fld{display:block;margin-bottom:16px}
.fld span{display:block;font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft);font-weight:600;margin-bottom:7px}
.fld input,.fld select,.fld textarea{
  width:100%;padding:13px 15px;border:2px solid var(--ink);border-radius:0;font-size:15px;
  font-family:inherit;background:#fff;color:var(--ink);resize:vertical;
}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--terra)}
.form-err{background:#fbe3da;border:2px solid var(--terra-d);color:var(--terra-d);padding:12px 14px;margin:0 0 18px;font-size:14px}
.form-ok{text-align:center;padding:30px 10px}
.ok-mark{display:inline-grid;place-items:center;width:60px;height:60px;background:var(--pine);color:#fff;font-size:28px;border-radius:50%;margin-bottom:18px}
.form-ok h3{font-size:1.6rem;margin-bottom:8px}
.form-ok p{color:var(--ink-soft)}

/* footer */
.site-foot{background:var(--ink);color:var(--paper);padding:44px 0}
.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:14px}
.foot-brand p{margin:0;font-weight:700;line-height:1.2}
.foot-brand em{font-style:normal;font-weight:400;font-size:12px;letter-spacing:.06em;color:rgba(246,239,228,.6)}
.foot-copy{margin:0;font-size:14px;color:rgba(246,239,228,.6)}

/* reveal animation */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* ── Responsive ── */
@media(max-width:900px){
  .nav{
    position:fixed;inset:70px 0 auto 0;flex-direction:column;gap:0;
    background:var(--paper);border-bottom:2px solid var(--ink);
    padding:10px 28px 20px;transform:translateY(-140%);transition:transform .3s ease;
  }
  .nav.open{transform:none}
  .nav a{padding:14px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav a.btn{margin-top:12px;justify-content:center}
  .burger{display:flex}
  .burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .hero-grid,.about-grid,.calc-grid,.faq-grid,.cta-grid{grid-template-columns:1fr;gap:40px}
  .hero-card{max-width:460px}
  .about-photo{max-width:420px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}
  .stat{border-bottom:1px solid rgba(246,239,228,.14)}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:160px}
  .g1{grid-column:span 2}
}
@media(max-width:560px){
  .container{padding:0 18px}
  .section{padding:64px 0}
  .hero-mini{flex-wrap:wrap;gap:22px}
  .creds li{grid-template-columns:1fr}
  .creds b{margin-bottom:-6px}
}