/*
Theme Name: Тетракуб 2026
Description: Редизайн существующей кастомной темы. Сохраняет project, partner, ACF и страницы контента.
Version: 2026.1.3
Requires at least: 6.7
Requires PHP: 7.4
Text Domain: tetracube
*/
:root{--bg:#080c14;--panel:#101722;--line:#293241;--text:#f4f6fa;--muted:#a9b4c4;--blue:#427bff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}a:hover{color:#a7c4ff}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #93b5ff;outline-offset:6px}.wrap{width:min(1280px,calc(100% - 80px));margin:auto}.skip{position:absolute;top:-100px}.skip:focus{top:5px;background:#000;z-index:100}header{position:sticky;top:0;z-index:20;background:#080c14ed;border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:88px;gap:24px}.brand{font-size:24px;font-weight:700;letter-spacing:-1px;display:flex;align-items:center;gap:12px}.mark{width:28px;height:28px;border:2px solid #6698ff;transform:rotate(30deg);display:inline-block;box-shadow:inset 8px 0 #427bff55}.navlinks{display:flex;gap:32px;font-size:14px}.navcontact{font-size:14px;border:1px solid var(--line);padding:10px 19px;border-radius:6px}.menu{display:none;background:none;border:1px solid var(--line);color:white;padding:8px 14px}.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;min-height:690px;align-items:center;gap:24px}.eyebrow{color:#98baff;letter-spacing:2px;font-size:12px;font-weight:700;text-transform:uppercase}.hero h1{font-size:clamp(44px,5.2vw,76px);letter-spacing:-3px;line-height:1.05;margin:26px 0}.hero h1 em{color:#729eff;font-style:normal}.lead{color:var(--muted);max-width:510px;font-size:18px;line-height:1.7}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.btn{display:inline-flex;align-items:center;gap:30px;padding:14px 22px;border:1px solid #3b4659;border-radius:5px;font-size:14px}.primary{background:var(--blue);border-color:var(--blue);color:white}.primary:hover{background:#5d8eff;color:white}.art{height:490px;position:relative;display:grid;place-items:center;background:radial-gradient(ellipse,#12377688,transparent 65%)}.art:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#527bbe17 1px,transparent 1px),linear-gradient(90deg,#527bbe17 1px,transparent 1px);background-size:36px 36px;mask-image:radial-gradient(ellipse,black,transparent 70%)}.lattice{width:100%;height:100%;overflow:visible}.lattice path{fill:none;stroke:#5995ff;stroke-width:1}.lattice .dim{stroke:#3c6098;opacity:.65}.lattice .pulse{stroke:#d4e7ff;stroke-width:2;stroke-dasharray:25 650;animation:flow 9s linear infinite}.art-label{position:absolute;bottom:25px;left:12%;font:12px/1.7 monospace;color:#8eaddb;letter-spacing:1px}.strip{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding:25px 0;color:var(--muted);font-size:13px}.strip span:first-child{color:white}section.block{padding:98px 0}.sectionhead{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:38px}.sectionhead h2{font-size:42px;line-height:1.15;letter-spacing:-1.5px;margin:13px 0 0}.sectionhead p{color:var(--muted);max-width:380px;margin:0}.services{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:30px;transition:border-color .25s,transform .25s}.card:hover{border-color:#6596f0;transform:translateY(-3px)}.num{font:13px monospace;color:#8aacf2}.card h3{font-size:23px;line-height:1.25;margin:35px 0 15px;letter-spacing:-.5px}.card p{color:var(--muted);margin:0}.product{display:grid;grid-template-columns:1.35fr 1fr;gap:16px;margin-top:16px}.product .card{min-height:255px;background:linear-gradient(120deg,#152744,#101722)}.product h3{font-size:34px;margin-top:18px}.tag{display:inline-block;font:12px monospace;padding:5px 9px;border:1px solid #435774;border-radius:4px;color:#bdcce4}.textlink{display:inline-block;border-bottom:1px solid #6c8dc4;padding-bottom:5px;margin-top:24px;font-size:14px}.projects{background:#0d121c;border-block:1px solid var(--line)}.project{display:grid;grid-template-columns:85px 1fr 180px;align-items:start;gap:24px;padding:30px 0;border-top:1px solid var(--line)}.project h3{font-size:24px;margin:0;line-height:1.3;font-weight:500}.project p{color:var(--muted);margin:10px 0 0;max-width:730px}.project .year{font:13px monospace;color:var(--muted);text-align:right}.project summary{cursor:pointer;list-style:none}.project summary::after{content:' +';color:#88adff}.project details[open] summary::after{content:' −'}.stack{display:flex;flex-wrap:wrap;gap:12px;margin-top:35px}.stack span{border:1px solid var(--line);padding:12px 20px;border-radius:5px;color:#bcc6d5}.contact{background:#285cdf;padding:68px;border-radius:10px;display:flex;justify-content:space-between;gap:40px}.contact h2{font-size:46px;line-height:1.12;letter-spacing:-1.5px;margin:0 0 22px}.contact p{color:#e1e9ff}.contact .btn{background:white;color:#15316b;border-color:white}.contact-right{display:flex;flex-direction:column;justify-content:center;font-size:22px;gap:16px}.legal{border-top:1px solid var(--line);margin-top:50px;padding-top:25px;color:var(--muted)}.legal summary{cursor:pointer;color:white}.legal p{max-width:900px}.foot{display:flex;justify-content:space-between;gap:20px;padding:30px 0;color:var(--muted);font-size:13px}.content{min-height:60vh;padding:80px 0}.content img{max-width:100%;height:auto}@keyframes flow{to{stroke-dashoffset:-675}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}@media(max-width:900px){.wrap{width:calc(100% - 40px)}.navlinks{gap:16px}.navcontact{display:none}.hero-grid{grid-template-columns:1fr  .8fr;min-height:610px}.hero h1{font-size:52px}.art{height:360px}.services{grid-template-columns:1fr}.card h3{margin-top:15px}.contact{padding:36px}.contact h2{font-size:36px}.sectionhead h2{font-size:36px}}@media(max-width:600px){.nav{min-height:72px;flex-wrap:wrap;padding-block:16px}.brand{font-size:22px}.menu{display:block}.navlinks{width:100%;justify-content:space-between;padding-top:8px}.js .navlinks{display:none}.js .navlinks.open{display:flex}.hero-grid{display:block;padding-top:42px}.hero h1{font-size:48px;letter-spacing:-2px}.art{height:290px;margin-top:10px}.hero .lead{font-size:16px}.strip{flex-wrap:wrap;font-size:12px;gap:12px}.strip span{width:45%}section.block{padding:58px 0}.sectionhead{display:block}.sectionhead p{margin-top:20px}.sectionhead h2{font-size:34px}.product{grid-template-columns:1fr}.project{grid-template-columns:30px 1fr;gap:15px}.project .year{grid-column:2;text-align:left}.project h3{font-size:20px}.contact{padding:28px;display:block}.contact h2{font-size:34px}.contact-right{margin-top:30px;font-size:19px}.foot{flex-direction:column}.btn{gap:15px}.card{padding:25px}}
/* WordPress integration */
.brand img{width:38px;height:34px;object-fit:contain}.admin-bar header{top:32px}.rich{overflow-wrap:anywhere}.rich a{color:#a8c5ff;text-decoration:underline;text-underline-offset:4px}.rich img,.rich video,.rich iframe{max-width:100%;height:auto}.rich table{display:block;max-width:100%;overflow:auto;border-collapse:collapse}.rich td,.rich th{padding:10px;border:1px solid var(--line)}.rich ul,.rich ol{padding-left:24px}.rich h2,.rich h3{line-height:1.25}.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.project-card{overflow:hidden;border:1px solid var(--line);border-radius:10px;background:var(--panel);display:flex;flex-direction:column}.project-media{aspect-ratio:16/9;background:#13213a;overflow:hidden}.project-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}.project-card:hover .project-media img{transform:scale(1.035)}.project-copy{padding:30px}.project-copy h3{font-size:25px;line-height:1.25;margin:18px 0}.project-copy p{color:var(--muted)}.project-copy .rich> :first-child{margin-top:0}.project-copy .rich> :last-child{margin-bottom:0}.project-meta{display:flex;gap:20px;justify-content:space-between;color:#a9bce0;font:13px monospace}.project-promo{max-width:900px;margin:0 0 40px;color:var(--muted);font-size:18px}.partners-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}.partner{min-height:120px;border:1px solid var(--line);border-radius:8px;padding:20px;display:grid;place-items:center;text-align:center;color:var(--text)}.partner.has-image{background:#f4f6fa}.partner img{max-height:72px;max-width:100%;width:auto;height:auto}.partner:hover{border-color:#80a5ff}.contact-right{overflow-wrap:anywhere}.contact-address{font-size:15px;max-width:310px}.legal .rich{margin-top:25px}.hero h1{white-space:pre-line}.pagination{margin-top:36px}.page-numbers{display:inline-block;padding:8px 14px;border:1px solid var(--line)}.page-numbers.current{background:var(--blue)}.content h1{font-size:clamp(32px,5vw,58px);line-height:1.15}.entry{padding-bottom:35px;margin-bottom:35px;border-bottom:1px solid var(--line)}.entry-image img{max-width:100%;height:auto}.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:782px){.admin-bar header{top:46px}.partners-grid{grid-template-columns:1fr 1fr}.project-grid{grid-template-columns:1fr}}@media(max-width:600px){.admin-bar header{position:relative;top:0}.project-copy{padding:24px}.contact{overflow:hidden}.contact-right{font-size:18px}.project-promo{font-size:16px}}
@media (min-width:601px) and (max-width:1100px){.navcontact{display:none}.navlinks{gap:18px}}
@media(max-width:600px){.navlinks{flex-wrap:wrap;justify-content:flex-start;gap:12px 20px}}

/* Partner logos: cool monochrome at rest, original colours on interaction. */
.partner.has-image {
  background: #101722;
  isolation: isolate;
  transition: background-color .25s ease, border-color .25s ease;
}
.partner.has-image img {
  filter: grayscale(1) invert(1) sepia(1) saturate(2) hue-rotate(175deg) brightness(.85);
  mix-blend-mode: screen;
  transition: filter .25s ease;
}
.partner.has-image:hover,
.partner.has-image:focus-visible,
.partner.has-image:focus-within {
  background: #f4f6fa;
  border-color: #80a5ff;
}
.partner.has-image:hover img,
.partner.has-image:focus-visible img,
.partner.has-image:focus-within img {
  filter: none;
  mix-blend-mode: normal;
}
.partner.has-image:focus-visible {
  outline: 3px solid #93b5ff;
  outline-offset: 4px;
}
/* Touch devices have no reliable hover: keep brands in their original colours. */
@media (hover: none) {
  .partner.has-image { background: #f4f6fa; }
  .partner.has-image img { filter: none; mix-blend-mode: normal; }
}

.product > .card{min-width:0}.product h3{overflow-wrap:anywhere}