/*
Theme Name: Умный дом KNX
Theme URI: https://svip.kz
Author: Центр автоматики для дома
Author URI: https://svip.kz
Description: Одностраничный hi-tech лендинг об умных домах на стандарте KNX для компании «Центр автоматики для дома» (Алматы). Тёмная тема, адаптивная вёрстка, встроенные CTA на WhatsApp и телефон.
Version: 1.0
Requires at least: 5.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: hac-knx
*/

:root{
    color-scheme: dark;
    --bg:#05070d;
    --bg-soft:#080b13;
    --surface:#0d1320;
    --surface-2:#121a2b;
    --line:rgba(148,168,204,0.14);
    --line-strong:rgba(148,168,204,0.28);
    --text:#eaf0fb;
    --muted:#8b96ac;
    --muted-2:#6b7690;
    --blue:#3d7bff;
    --blue-dim:#1e3a66;
    --blue-glow:#5fb4ff;
    --orange:#ffa53d;
    --orange-dim:#5c3d17;
    --radius-s:4px;
    --radius-m:10px;
    --maxw:1180px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  @media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} }
  body{
    background:var(--bg);
    color:var(--text);
    font-family:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
    -webkit-font-smoothing:antialiased;
    padding-inline:0;
    overflow-x:hidden;
    position:relative;
  }
  .bg-grid{
    position:fixed;inset:0;z-index:0;pointer-events:none;
    background-image:
      linear-gradient(rgba(148,168,204,0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(148,168,204,0.06) 1px, transparent 1px);
    background-size:46px 46px;
    -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 100%);
    mask-image:radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 100%);
  }
  header.site,main,footer{position:relative;z-index:1;}
  .sec-head,.intro-block{position:relative;}
  .sec-head::before,.intro-block::before{
    content:"";position:absolute;top:-30px;left:-70px;width:240px;height:240px;
    background:radial-gradient(circle,rgba(61,123,255,0.22),transparent 72%);
    filter:blur(6px);z-index:-1;pointer-events:none;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  h1,h2,h3{font-family:'Unbounded',system-ui,sans-serif;line-height:1.12;text-wrap:balance;margin:0;letter-spacing:-0.01em;}
  p{margin:0;color:var(--muted);line-height:1.65;}
  .mono{font-family:'JetBrains Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums;}
  .container{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(18px,4vw,32px);}
  .eyebrow{
    font-family:'JetBrains Mono',monospace;
    font-size:12.5px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--orange);
    display:flex;align-items:center;gap:10px;
    margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--orange);display:inline-block;}
  section{position:relative;padding-block:clamp(56px,9vw,110px);}

  /* ---------- header ---------- */
  header.site{
    position:sticky;top:env(safe-area-inset-top,0px);z-index:50;
    background:rgba(5,7,13,0.78);
    backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid var(--line);
  }
  .nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px;}
  .logo-wrap{display:flex;align-items:center;}
  .logo-wrap img{height:34px;width:auto;filter:brightness(1.15) contrast(1.05);}
  nav.links{display:flex;gap:28px;font-size:14.5px;font-weight:600;}
  nav.links a{color:var(--muted);transition:color .15s ease;white-space:nowrap;}
  nav.links a:hover{color:var(--text);}
  .nav-cta{display:flex;align-items:center;gap:14px;}
  .phone-inline{font-family:'JetBrains Mono',monospace;font-size:14px;color:var(--text);white-space:nowrap;}
  @media (max-width:900px){ nav.links{display:none;} .phone-inline{display:none;} }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    padding:13px 24px;font-weight:700;font-size:14.5px;font-family:'Manrope',sans-serif;
    border-radius:var(--radius-s);cursor:pointer;border:1px solid transparent;
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
    white-space:nowrap;
  }
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:linear-gradient(135deg,#ffb35c,var(--orange));color:#1a0f00;box-shadow:0 0 0 rgba(255,165,61,0);}
  .btn-primary:hover{box-shadow:0 8px 24px -6px rgba(255,165,61,0.55);}
  .btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
  .btn-ghost:hover{border-color:var(--blue-glow);background:rgba(61,123,255,0.08);}
  .btn-sm{padding:9px 16px;font-size:13.5px;}
  .btn svg{width:17px;height:17px;flex:none;}

  /* ---------- HUD corner frame motif ---------- */
  .hud{position:relative;}
  .hud::before,.hud::after,.hud i.c2::before,.hud i.c2::after{content:"";position:absolute;width:18px;height:18px;pointer-events:none;}
  .hud::before{top:-1px;left:-1px;border-top:2px solid var(--blue-glow);border-left:2px solid var(--blue-glow);}
  .hud::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--blue-glow);border-right:2px solid var(--blue-glow);}
  .hud i.c2{position:absolute;inset:0;}
  .hud i.c2::before{top:-1px;right:-1px;border-top:2px solid var(--orange);border-right:2px solid var(--orange);}
  .hud i.c2::after{bottom:-1px;left:-1px;border-bottom:2px solid var(--orange);border-left:2px solid var(--orange);}

  /* ---------- hero ---------- */
  .hero{padding-top:clamp(48px,8vw,88px);}
  .hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:clamp(28px,5vw,60px);align-items:center;}
  @media (max-width:940px){.hero-grid{grid-template-columns:1fr;}}
  .hero h1{font-size:clamp(32px,4.6vw,54px);}
  .hero .accent{color:var(--blue-glow);}
  .hero p.lead{font-size:17px;max-width:52ch;margin-top:20px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .trust-line{margin-top:22px;font-size:13px;color:var(--muted-2);display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;}
  .trust-line b{color:var(--muted);font-weight:700;}
  .hero-visual{position:relative;aspect-ratio:1/0.92;border-radius:var(--radius-m);background:radial-gradient(circle at 30% 20%,rgba(61,123,255,0.16),transparent 60%),var(--surface);border:1px solid var(--line);overflow:hidden;}
  .hero-visual canvas{position:absolute;inset:0;width:100%;height:100%;}
  .hero-visual .tag{position:absolute;bottom:16px;left:16px;right:16px;display:flex;justify-content:space-between;align-items:flex-end;font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--muted-2);letter-spacing:.04em;}
  .hero-visual .tag b{display:block;color:var(--blue-glow);font-size:13px;}

  /* ---------- section headers ---------- */
  .sec-head{max-width:640px;margin-bottom:clamp(32px,5vw,52px);}
  .sec-head h2{font-size:clamp(26px,3.4vw,38px);}
  .sec-head p{margin-top:14px;font-size:15.5px;}

  /* ---------- why grid ---------- */
  .intro-block{max-width:760px;margin-bottom:44px;}
  .intro-block p{font-size:16px;color:#c3cbdb;}
  .intro-block p b{color:var(--text);}
  .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;}
  @media (max-width:880px){.why-grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:560px){.why-grid{grid-template-columns:1fr;}}
  .why-card{background:var(--surface);padding:28px 24px;display:flex;flex-direction:column;gap:14px;}
  .why-card.hl{background:linear-gradient(165deg,rgba(255,165,61,0.09),var(--surface) 55%);}
  .icon-badge{width:42px;height:42px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--blue-glow);flex:none;}
  .why-card.hl .icon-badge{color:var(--orange);border-color:rgba(255,165,61,0.4);}
  .icon-badge svg{width:20px;height:20px;}
  .why-card h3{font-size:17px;font-weight:700;font-family:'Manrope',sans-serif;color:var(--text);}
  .why-card p{font-size:14.5px;}

  /* ---------- market stats ---------- */
  .market{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .market-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px);align-items:center;}
  @media (max-width:880px){.market-grid{grid-template-columns:1fr;}}
  .stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px;}
  @media (max-width:520px){.stat-row{grid-template-columns:1fr;}}
  .stat-tile{border:1px solid var(--line);border-radius:var(--radius-s);padding:16px 14px;background:var(--surface);}
  .stat-tile .num{font-family:'JetBrains Mono',monospace;font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--blue-glow);}
  .stat-tile .num.o{color:var(--orange);}
  .stat-tile .lab{font-size:12px;color:var(--muted-2);margin-top:4px;letter-spacing:.02em;}
  .chart-wrap{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);padding:22px 20px 14px;}
  .chart-wrap svg text{font-family:'JetBrains Mono',monospace;fill:var(--muted-2);}
  .chart-wrap .src{margin-top:10px;font-size:11.5px;color:var(--muted-2);}
  .chart-wrap .src a{color:var(--muted);text-decoration:underline;text-underline-offset:2px;}

  /* ---------- KNX section ---------- */
  .knx-grid{display:grid;grid-template-columns:0.92fr 1.08fr;gap:clamp(28px,5vw,60px);align-items:start;}
  @media (max-width:940px){.knx-grid{grid-template-columns:1fr;}}
  .knx-badge-card{position:relative;border-radius:var(--radius-m);background:linear-gradient(165deg,var(--surface-2),var(--surface));border:1px solid var(--line);padding:32px 26px;}
  .knx-wordmark{display:flex;align-items:baseline;gap:2px;font-family:'Unbounded',sans-serif;font-weight:800;font-size:44px;letter-spacing:-0.02em;}
  .knx-wordmark span:nth-child(1){color:var(--text);}
  .knx-wordmark span:nth-child(2){color:var(--orange);}
  .knx-badge-card .cap{margin-top:10px;font-size:13px;color:var(--muted);max-width:32ch;}
  .knx-stat-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
  .knx-stat-list li{list-style:none;display:flex;justify-content:space-between;font-size:13.5px;border-top:1px dashed var(--line);padding-top:10px;}
  .knx-stat-list li b{font-family:'JetBrains Mono',monospace;color:var(--blue-glow);}
  .feat-list{display:flex;flex-direction:column;gap:20px;}
  .feat-item{display:flex;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--line);}
  .feat-item:last-child{border-bottom:none;padding-bottom:0;}
  .feat-item .n{font-family:'JetBrains Mono',monospace;color:var(--muted-2);font-size:13px;padding-top:2px;flex:none;width:26px;}
  .feat-item h3{font-size:16.5px;font-weight:700;font-family:'Manrope',sans-serif;color:var(--text);margin-bottom:6px;}
  .feat-item p{font-size:14.5px;}

  /* ---------- scenarios ---------- */
  .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
  @media (max-width:880px){.scenario-grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:560px){.scenario-grid{grid-template-columns:1fr;}}
  .scenario-card{border:1px solid var(--line);border-radius:var(--radius-s);padding:22px;background:var(--surface);transition:border-color .15s ease, background .15s ease;}
  .scenario-card:hover{border-color:var(--line-strong);background:var(--surface-2);}
  .scenario-card.feat{border-color:rgba(255,165,61,0.35);background:linear-gradient(165deg,rgba(255,165,61,0.08),var(--surface));}
  .scenario-card .icon-badge{margin-bottom:14px;border-radius:var(--radius-s);}
  .scenario-card h3{font-size:15.5px;font-weight:700;color:var(--text);font-family:'Manrope',sans-serif;margin-bottom:8px;}
  .scenario-card p{font-size:13.5px;}
  .scenario-card .pill{display:inline-block;margin-top:12px;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.06em;color:var(--orange);text-transform:uppercase;}

  /* ---------- process ---------- */
  .process{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .process-list{position:relative;display:flex;flex-direction:column;gap:0;}
  .process-item{display:grid;grid-template-columns:64px 1fr;gap:20px;padding-block:26px;position:relative;}
  .process-item::before{content:"";position:absolute;left:31px;top:0;bottom:0;width:1px;background:var(--line);}
  .process-item:first-child::before{top:50%;}
  .process-item:last-child::before{bottom:50%;}
  .process-num{width:62px;height:62px;border-radius:50%;background:var(--surface);border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace;font-size:19px;font-weight:700;color:var(--blue-glow);z-index:1;flex:none;}
  .process-body h3{font-size:18px;font-weight:700;font-family:'Manrope',sans-serif;color:var(--text);margin-bottom:8px;}
  .process-body p{font-size:14.5px;max-width:60ch;}

  /* ---------- partners ---------- */
  .partners-card{border:1px solid var(--line);border-radius:var(--radius-m);background:linear-gradient(120deg,var(--surface),var(--surface-2));padding:clamp(28px,5vw,48px);display:grid;grid-template-columns:1.2fr auto;gap:28px;align-items:center;}
  @media (max-width:760px){.partners-card{grid-template-columns:1fr;}}
  .partners-card h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:14px;}
  .partners-card p{font-size:15px;max-width:56ch;}
  .partner-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
  .partner-badges span{font-family:'JetBrains Mono',monospace;font-size:11.5px;border:1px solid var(--line-strong);border-radius:20px;padding:6px 12px;color:var(--muted);}

  /* ---------- contact ---------- */
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,40px);}
  @media (max-width:820px){.contact-grid{grid-template-columns:1fr;}}
  .contact-card{border:1px solid var(--line);border-radius:var(--radius-m);padding:clamp(26px,4vw,40px);background:var(--surface);}
  .contact-card.cta{background:radial-gradient(circle at 20% 0%,rgba(255,165,61,0.12),transparent 60%),var(--surface);}
  .contact-line{display:flex;gap:14px;align-items:flex-start;padding-block:14px;border-top:1px solid var(--line);}
  .contact-line:first-of-type{border-top:none;}
  .contact-line .icon-badge{width:36px;height:36px;}
  .contact-line .lab{font-size:11.5px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.06em;font-family:'JetBrains Mono',monospace;}
  .contact-line .val{font-size:15.5px;color:var(--text);margin-top:3px;font-weight:600;}
  .contact-line .val a{transition:color .15s;}
  .contact-line .val a:hover{color:var(--blue-glow);}

  footer{border-top:1px solid var(--line);padding-block:28px;}
  .foot-row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--muted-2);}
  .foot-row a{text-decoration:underline;text-underline-offset:2px;color:var(--muted-2);}
  .foot-row a:hover{color:var(--muted);}

  /* ---------- floating whatsapp ---------- */
  .wa-float{
    position:fixed;right:20px;bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:60;
    display:flex;align-items:center;gap:10px;
    background:#20c15a;color:#04170a;padding:13px 18px 13px 14px;border-radius:32px;
    font-weight:700;font-size:14px;box-shadow:0 10px 30px -8px rgba(32,193,90,0.55);
  }
  .wa-float svg{width:22px;height:22px;flex:none;}
  .wa-float .pulse{position:absolute;inset:-4px;border-radius:32px;border:2px solid #20c15a;animation:pulse 2.4s ease-out infinite;}
  @media (prefers-reduced-motion: reduce){ .wa-float .pulse{animation:none;} }
  @keyframes pulse{0%{opacity:.7;transform:scale(1);}100%{opacity:0;transform:scale(1.12);}}
  @media (max-width:600px){ .wa-float span{display:none;} .wa-float{padding:14px;border-radius:50%;} }

  /* ---------- wave divider ---------- */
  .wave-divider{display:block;width:100%;height:44px;margin:0;}
  .wave-divider path{animation:waveMove 5s linear infinite;}
  @keyframes waveMove{ to{ stroke-dashoffset:-40; } }
  @media (prefers-reduced-motion: reduce){ .wave-divider path{animation:none;} }

  /* ---------- topology diagram ---------- */
  .topo-figure{margin-top:44px;border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);padding:28px 20px 20px;}
  .topo-figure svg{width:100%;height:auto;display:block;}
  .bus-pulse{animation:busGlow 3.2s ease-in-out infinite;transform-origin:center;}
  @keyframes busGlow{0%,100%{opacity:.7;}50%{opacity:1;}}
  @media (prefers-reduced-motion: reduce){ .bus-pulse{animation:none;opacity:1;} }
  .topo-figure figcaption{margin-top:14px;font-size:13.5px;color:var(--muted);max-width:70ch;}
  .topo-figure figcaption b{color:var(--orange);}

  /* ---------- device mockups ---------- */
  .device-stack{position:relative;width:100%;max-width:300px;margin-inline:auto;aspect-ratio:1/1.12;}
  .phone-mock{
    position:absolute;top:0;right:0;width:70%;aspect-ratio:230/468;
    background:linear-gradient(165deg,var(--surface-2),var(--surface));
    border:1px solid var(--line-strong);border-radius:30px;padding:8px;
    box-shadow:0 30px 60px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(95,180,255,0.05);
  }
  .phone-mock .notch{width:44px;height:5px;border-radius:4px;background:var(--line-strong);margin:2px auto 8px;}
  .phone-screen{
    height:calc(100% - 20px);border-radius:22px;background:radial-gradient(circle at 30% 0%,rgba(61,123,255,0.14),transparent 60%),var(--bg);
    border:1px solid var(--line);padding:16px 14px;display:flex;flex-direction:column;gap:14px;
  }
  .phone-screen .greet{font-size:10px;color:var(--muted-2);font-family:'JetBrains Mono',monospace;letter-spacing:.05em;text-transform:uppercase;}
  .phone-screen .title{font-family:'Unbounded',sans-serif;font-size:16px;color:var(--text);}
  .app-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:2px;}
  .app-btn{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:10px 8px;display:flex;flex-direction:column;gap:8px;}
  .app-btn.on{border-color:rgba(255,165,61,0.45);background:linear-gradient(160deg,rgba(255,165,61,0.14),var(--surface-2));}
  .app-btn svg{width:16px;height:16px;color:var(--blue-glow);}
  .app-btn.on svg{color:var(--orange);}
  .app-btn span{font-size:10.5px;font-weight:700;color:var(--text);}
  .app-status{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--muted-2);border-top:1px dashed var(--line);padding-top:10px;}
  .app-status b{color:var(--blue-glow);font-size:13px;}
  .panel-mock{
    position:absolute;left:0;bottom:6%;width:64%;aspect-ratio:190/130;
    background:linear-gradient(160deg,var(--surface),var(--surface-2));
    border:1px solid var(--line-strong);border-radius:16px;padding:14px 16px;
    box-shadow:0 24px 50px -18px rgba(0,0,0,0.65);
    display:flex;flex-direction:column;justify-content:space-between;
  }
  .panel-mock .room{font-size:10.5px;color:var(--muted-2);font-family:'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.05em;}
  .panel-mock .temp{font-family:'JetBrains Mono',monospace;font-size:28px;font-weight:700;color:var(--text);line-height:1;margin-top:4px;}
  .panel-mock .temp span{font-size:14px;color:var(--muted-2);}
  .panel-row{display:flex;gap:8px;}
  .panel-row .dot{width:26px;height:26px;border-radius:50%;background:var(--bg);border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;}
  .panel-row .dot svg{width:13px;height:13px;color:var(--blue-glow);}
  .panel-row .dot.active{border-color:var(--orange);background:rgba(255,165,61,0.14);}
  .panel-row .dot.active svg{color:var(--orange);}
  @media (max-width:500px){ .device-stack{max-width:240px;} }

  /* ---------- hardware strip ---------- */
  .hw-strip{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
  @media (max-width:760px){.hw-strip{grid-template-columns:repeat(2,1fr);}}
  .hw-card{border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);padding:18px;text-align:center;}
  .hw-card .icon-badge{margin-inline:auto;width:46px;height:46px;}
  .hw-card h4{margin-top:12px;font-size:13.5px;font-weight:700;color:var(--text);font-family:'Manrope',sans-serif;}
  .hw-card p{margin-top:4px;font-size:12px;}