/* ЦИКО — Центр инженерных компетенций
   Палитра: разрез грунта. Акцент — жёлтый геодезической вехи. */

@font-face{font-family:"Unbounded";font-weight:600;font-display:swap;src:url(fonts/unbounded-cyrillic-600-normal.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Unbounded";font-weight:600;font-display:swap;src:url(fonts/unbounded-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+2013-2014,U+2018-201E,U+2026,U+20AC,U+2122}
@font-face{font-family:"Unbounded";font-weight:700;font-display:swap;src:url(fonts/unbounded-cyrillic-700-normal.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Unbounded";font-weight:700;font-display:swap;src:url(fonts/unbounded-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+2013-2014,U+2018-201E,U+2026,U+20AC,U+2122}
@font-face{font-family:"Plex";font-weight:400;font-display:swap;src:url(fonts/ibm-plex-sans-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Plex";font-weight:400;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+2013-2014,U+2018-201E,U+2026,U+20AC,U+2122}
@font-face{font-family:"Plex";font-weight:500;font-display:swap;src:url(fonts/ibm-plex-sans-cyrillic-500-normal.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Plex";font-weight:500;font-display:swap;src:url(fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+2013-2014,U+2018-201E,U+2026,U+20AC,U+2122}
@font-face{font-family:"Plex";font-weight:600;font-display:swap;src:url(fonts/ibm-plex-sans-cyrillic-600-normal.woff2) format("woff2");unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Plex";font-weight:600;font-display:swap;src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+2013-2014,U+2018-201E,U+2026,U+20AC,U+2122}

:root{
  --ink:#1D2A36;        /* глубина, основной текст */
  --paper:#F5F6F3;      /* светлая основа */
  --clay:#8A6E55;       /* суглинок */
  --sand:#D9CBB0;       /* песок */
  --stone:#5E6B73;      /* коренные породы, вторичный текст */
  --marker:#F2B705;     /* веха */
  --line:#D6DAD4;
  --max:1160px;
  --text:68ch;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 "Plex",system-ui,sans-serif}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration-color:var(--marker);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{text-decoration-color:var(--ink)}
:focus-visible{outline:3px solid var(--marker);outline-offset:3px}
h1,h2,h3{font-family:"Unbounded",sans-serif;font-weight:600;line-height:1.15;margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.5rem,2.6vw,2.2rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em;max-width:var(--text)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:var(--marker);padding:8px 12px;z-index:9}

/* Шапка */
.top{background:var(--ink);color:var(--paper)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{font-family:"Unbounded";font-weight:700;font-size:1.35rem;text-decoration:none;display:flex;align-items:center;gap:10px}
.logo i{width:12px;height:28px;background:linear-gradient(var(--marker) 50%,var(--paper) 50%);display:block}
.logo small{font:400 .8rem/1.2 "Plex";opacity:.7;max-width:9em}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{text-decoration:none;padding:8px 12px;border-radius:4px;font-weight:500}
.nav a:hover{background:rgba(255,255,255,.08)}
.nav a[aria-current]{box-shadow:inset 0 -3px 0 var(--marker)}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:inherit;font:500 1rem "Plex";padding:8px 14px;border-radius:4px}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:72px;background:var(--ink);flex-direction:column;padding:8px 16px 16px;z-index:5}
  .nav.open{display:flex}
  .top{position:relative}
  .logo small{display:none}
}

/* Герой: разрез грунта */
.hero{background:var(--ink);color:var(--paper);overflow:hidden}
.hero .wrap{padding-top:64px;padding-bottom:0}
.hero h1{max-width:16ch}
.hero p.lead{font-size:1.2rem;opacity:.85;max-width:52ch}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 48px}
.section-cut{width:100%;height:auto;margin-top:8px}
.section-cut .lbl{font:500 13px "Plex";fill:var(--ink)}
.section-cut .lbl-l{font:500 13px "Plex";fill:var(--paper)}

.btn{display:inline-block;font:600 1rem "Plex";padding:14px 22px;border-radius:4px;text-decoration:none;border:2px solid transparent}
.btn-main{background:var(--marker);color:var(--ink)}
.btn-main:hover{background:#ffcb2b}
.btn-ghost{border-color:currentColor}
.btn-ghost:hover{background:rgba(255,255,255,.08)}

/* Секции */
.band{padding:88px 0}
.band-sand{background:#ECE6D8}
.band-ink{background:var(--ink);color:var(--paper)}
.intro{display:grid;grid-template-columns:1fr 1.3fr;gap:56px;align-items:start}
@media (max-width:860px){.intro{grid-template-columns:1fr;gap:16px}}
.muted{color:var(--stone)}
.band-ink .muted{color:#B9C2C7}

/* Список услуг — как колонка скважины */
.services{list-style:none;margin:40px 0 0;padding:0;border-top:2px solid var(--ink)}
.services li{display:grid;grid-template-columns:minmax(200px,1fr) 2fr auto;gap:24px;padding:24px 0;border-bottom:1px solid var(--line);align-items:baseline}
.services li h3{margin:0}
.services li p{margin:0;color:var(--stone)}
.services .tag{font-size:.85rem;color:var(--stone);white-space:nowrap}
@media (max-width:760px){.services li{grid-template-columns:1fr;gap:6px}}

/* Детальные услуги */
.svc{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:48px 0;border-top:1px solid var(--line)}
.svc:first-of-type{border-top:2px solid var(--ink)}
.svc aside{position:sticky;top:24px;align-self:start}
.svc aside .swatch{height:10px;margin-bottom:16px;border-radius:2px}
.svc dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:16px 0 0;font-size:.95rem}
.svc dt{color:var(--stone)}.svc dd{margin:0}
.svc ul{padding-left:1.2em;margin:0 0 1em;max-width:var(--text)}
@media (max-width:860px){.svc{grid-template-columns:1fr;gap:12px}.svc aside{position:static}}

/* Этапы — настоящая последовательность */
.steps{counter-reset:s;list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0}
.steps li{counter-increment:s;padding:24px 24px 24px 0;border-top:2px solid currentColor;position:relative}
.steps li::before{content:counter(s);font:700 2.4rem "Unbounded";color:var(--marker);display:block;margin-bottom:8px}
.steps li p{margin:0}

/* Факты/принципы */
.principles{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:40px;margin-top:40px}
.principles h3{border-left:4px solid var(--marker);padding-left:12px}

/* Цитата-миссия */
.mission{font-family:"Unbounded";font-weight:600;font-size:clamp(1.4rem,3vw,2.3rem);line-height:1.3;max-width:28ch;margin:0}

/* CTA */
.cta{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta h2{margin:0;max-width:22ch}

/* Контакты и форма */
.contacts{display:grid;grid-template-columns:1fr 1.2fr;gap:56px}
@media (max-width:860px){.contacts{grid-template-columns:1fr}}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:16px 0;border-bottom:1px solid var(--line)}
.contact-list span{display:block;color:var(--stone);font-size:.9rem}
.contact-list a,.contact-list b{font-size:1.2rem;font-weight:600}
form{display:grid;gap:16px}
label{font-weight:500;display:grid;gap:6px}
input,textarea,select{font:inherit;padding:12px 14px;border:1px solid #B8BEB6;border-radius:4px;background:#fff;color:var(--ink)}
textarea{min-height:140px;resize:vertical}
.note{font-size:.9rem;color:var(--stone)}

/* Заглушки, которые надо заменить */
.todo{background:#FFF3C4;color:var(--ink);outline:1px dashed #C99400;padding:0 4px}

/* Подвал */
.foot{background:var(--ink);color:#B9C2C7;padding:48px 0;font-size:.95rem}
.foot .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot a{color:var(--paper)}

.page-head{background:var(--ink);color:var(--paper);padding:64px 0 56px}
.page-head p{opacity:.85;font-size:1.15rem}

@media (prefers-reduced-motion:no-preference){
  .hero .scan{animation:scan 6s ease-in-out 1 both}
  @keyframes scan{from{transform:translateX(-120px);opacity:0}15%{opacity:1}to{transform:translateX(0);opacity:1}}
}