/* AVMEDIA.KZ — «ночной дом»
   Палитра снята с фотографий и логотипа:
   night  #05080F  ночное небо за окнами
   dusk   #0A1120  стены в сумерках
   glass  #111C30  стекло панелей
   led    #3DA8FF  светодиодная лента, основной свет сайта
   ice    #DCE6F2  хром логотипа, основной текст
   steel  #8495AC  приглушённый текст
   amber  #E9A55B  тёплые точечные светильники — только в «живых» моментах
*/
:root{
  --night:#05080F; --dusk:#0A1120; --glass:#111C30;
  --led:#3DA8FF; --led-soft:rgba(61,168,255,.35);
  --ice:#DCE6F2; --steel:#8495AC; --amber:#E9A55B;
  --line:rgba(180,205,235,.12);
  --display:"Unbounded", "Arial Black", sans-serif;
  --body:"Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  --wrap:1240px; --gut:clamp(16px,4vw,40px);
  --ease:cubic-bezier(.2,.7,.1,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--night);color:var(--ice);font:400 17px/1.6 var(--body);overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--led);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--led);color:var(--night);padding:8px 14px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
section{position:relative}

/* Типографика: Unbounded широкий, как буквы логотипа; сентенс-кейс, лёгкий вес */
h1,h2,h3{font-weight:400;margin:0}
.h2{font:300 clamp(30px,4.2vw,56px)/1.08 var(--display);letter-spacing:-.02em;max-width:18ch}
.lead{color:var(--steel);font-size:clamp(17px,1.4vw,19px);max-width:56ch;margin:22px 0 0}

/* Кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border-radius:999px;font:500 16px/1 var(--body);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background .25s,color .25s,border-color .25s,box-shadow .3s}
.btn-lamp{background:var(--led);color:#03101f;box-shadow:0 0 24px -4px var(--led-soft)}
.btn-lamp:hover{box-shadow:0 0 44px 4px var(--led-soft);background:#5cb8ff}
.btn-ghost{border-color:rgba(220,230,242,.28);color:var(--ice)}
.btn-ghost:hover{border-color:var(--ice)}
.btn-wide{width:100%}

/* Шапка */
.top{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;gap:32px;padding:16px var(--gut);transition:background .3s,padding .3s,border-color .3s;border-bottom:1px solid transparent}
.top.scrolled{background:rgba(5,8,15,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding-block:10px;border-color:var(--line)}
.logo{display:block;flex:none;position:relative;z-index:60}
.logo img{height:clamp(40px,3.6vw,52px);width:auto;margin:-6px 0}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{text-decoration:none;font-size:15px;color:var(--steel);transition:color .2s}
.nav a:hover{color:var(--ice)}
.top-phone{text-decoration:none;font-weight:500;font-size:15px;white-space:nowrap}
.burger{display:none;background:none;border:0;width:44px;height:44px;padding:10px;cursor:pointer;margin-left:auto}
.burger span{display:block;height:2px;background:var(--ice);margin:6px 0;transition:transform .3s}
.burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* HERO — экран формата кино загорается из полоски света */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:110px var(--gut) 56px;
  background:radial-gradient(90% 60% at 50% 38%, rgba(61,168,255,.10), transparent 70%), var(--night)}
.screen{position:relative;width:min(100%,1320px,calc(58svh * 2.39));margin:0 auto}
.screen-frame{margin:0;aspect-ratio:2.39/1;overflow:hidden;position:relative;background:var(--dusk);
  box-shadow:0 0 0 1px rgba(220,230,242,.06), 0 30px 140px -30px rgba(61,168,255,.55);
  animation:screen-on 1.6s .35s var(--ease) both}
.screen-frame img{width:100%;height:100%;object-fit:cover;object-position:50% 45%;animation:picture-in 1.3s 1.3s ease both}
.screen-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(5,8,15,.5));pointer-events:none}
.screen-beam{position:absolute;left:50%;top:50%;width:100%;height:3px;transform:translate(-50%,-50%);
  background:radial-gradient(closest-side,#fff,rgba(150,210,255,.95) 35%,rgba(61,168,255,.5) 70%,transparent);
  box-shadow:0 0 30px 6px rgba(61,168,255,.45);
  animation:beam 1.3s .05s ease both;pointer-events:none;z-index:2}
@keyframes beam{0%{opacity:0;width:0}45%{opacity:1;width:100%}100%{opacity:0;width:100%}}
@keyframes screen-on{0%{transform:scaleY(.006);filter:brightness(3) saturate(0)}60%{filter:brightness(1.5)}100%{transform:scaleY(1);filter:none}}
@keyframes picture-in{from{opacity:0}to{opacity:1}}

.hero-text{width:min(100%,1320px);margin:40px auto 0;display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:end;animation:picture-in 1s 1.9s ease both}
.hero h1{font:300 clamp(30px,4.6vw,66px)/1.06 var(--display);letter-spacing:-.025em;max-width:16ch}
.hero-side p{color:var(--steel);margin:0 0 26px;max-width:44ch;font-size:18px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}

/* Вступление к направлениям + оглавление по группам */
.intro{padding:clamp(90px,12vw,150px) 0 clamp(60px,8vw,100px)}
.toc{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px}
.toc-group p{margin:0 0 12px;padding-bottom:12px;border-bottom:1px solid var(--line);color:var(--led);font-weight:500;font-size:15px}
.toc-group a{display:block;padding:8px 0;text-decoration:none;font:300 clamp(17px,1.5vw,20px)/1.3 var(--display);letter-spacing:-.01em;transition:color .2s,text-shadow .3s}
.toc-group a:hover{color:#fff;text-shadow:0 0 18px rgba(61,168,255,.6)}

/* Тема: фото на всю ширину, текст на свободной левой части */
.theme{position:relative;min-height:min(100svh,920px);display:flex;align-items:center;overflow:hidden;isolation:isolate;scroll-margin-top:0}
.theme-bg{position:absolute;inset:0;z-index:-1;pointer-events:none}
.theme-bg img{width:100%;height:100%;object-fit:cover;object-position:70% 50%;transition:filter 1.4s ease}
.theme-bg::after{content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(90deg,rgba(5,8,15,.92) 0%,rgba(5,8,15,.72) 30%,rgba(5,8,15,.15) 58%,transparent 75%),
             linear-gradient(180deg,var(--night) 0%,transparent 14%,transparent 86%,var(--night) 100%)}
.theme-text{position:relative;width:100%;max-width:var(--wrap);margin:0 auto;padding:clamp(80px,10vw,120px) var(--gut)}
.theme-text>*{max-width:520px}
.theme-group{margin:0 0 16px;color:var(--led);font-weight:500;font-size:15px}
.theme h2{font:300 clamp(30px,3.8vw,52px)/1.08 var(--display);letter-spacing:-.02em;margin:0 0 22px;text-shadow:0 2px 30px rgba(5,8,15,.8)}
.theme-text>p:not(.theme-group){color:#c9d5e4;margin:0 0 22px;text-shadow:0 1px 12px rgba(5,8,15,.9)}
.theme .tags{margin-bottom:30px}
.theme .tags li{background:rgba(5,8,15,.45);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.tags{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tags li{font-size:14px;color:#aebdd0;border:1px solid var(--line);border-radius:999px;padding:5px 12px}

/* Умный дом: сценарии меняют свет на фото */
.theme-smart .theme-bg::before{content:"";position:absolute;inset:0;z-index:1;background:var(--amber);mix-blend-mode:color;opacity:0;transition:opacity 1.4s ease,background 1.4s ease}
.theme-smart[data-scene="movie"]   .theme-bg img{filter:brightness(.6) saturate(1.1)}
.theme-smart[data-scene="morning"] .theme-bg img{filter:brightness(1.35) saturate(1.1)}
.theme-smart[data-scene="guests"]  .theme-bg img{filter:brightness(1.05) saturate(1.2)}
.theme-smart[data-scene="away"]    .theme-bg img{filter:brightness(.22) grayscale(.6)}
.theme-smart[data-scene="morning"] .theme-bg::before{opacity:.6}
.theme-smart[data-scene="guests"]  .theme-bg::before{opacity:.55;background:#D9733F}
.scene-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 20px}
.scene-tabs button{font:500 15px/1 var(--body);color:var(--ice);background:rgba(5,8,15,.5);border:1px solid rgba(220,230,242,.25);border-radius:999px;padding:13px 20px;cursor:pointer;transition:all .25s}
.scene-tabs button:hover{border-color:var(--ice)}
.scene-tabs button[aria-selected="true"]{background:var(--ice);color:var(--night);border-color:var(--ice)}
.panel{background:rgba(8,14,26,.72);border:1px solid rgba(61,168,255,.25);border-radius:20px;padding:clamp(16px,2vw,26px);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 0 60px -20px rgba(61,168,255,.4)}
.devices{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;column-gap:24px}
.devices li{display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding:11px 0;border-top:1px solid var(--line)}
.devices li:nth-child(-n+2){border-top:0}
.d-name{color:var(--steel);font-size:14px}
.d-val{font-weight:500;font-size:14px;text-align:right;transition:color .4s}
.devices li.changed .d-val{color:var(--led)}
.d-bar{grid-column:1/-1;height:3px;background:rgba(220,230,242,.08);border-radius:3px;overflow:hidden}
.d-bar i{display:block;height:100%;width:0;background:var(--led);box-shadow:0 0 10px var(--led);border-radius:3px;transition:width .9s var(--ease),background .6s}
.theme-smart[data-scene="morning"] .d-bar i,.theme-smart[data-scene="guests"] .d-bar i{background:var(--amber);box-shadow:0 0 10px var(--amber)}
.theme-smart[data-scene="morning"] .devices li.changed .d-val,.theme-smart[data-scene="guests"] .devices li.changed .d-val{color:var(--amber)}
.panel-note{color:var(--steel);font-size:14px;margin:14px 0 0;min-height:3em}

/* Хук «до черновой отделки» — чертёжная сетка, как план кабельных трасс */
.when{padding:clamp(90px,12vw,150px) 0;border-block:1px solid var(--line);
  background:
    linear-gradient(rgba(61,168,255,.07) 1px,transparent 1px) 0 0/40px 40px,
    linear-gradient(90deg,rgba(61,168,255,.07) 1px,transparent 1px) 0 0/40px 40px,
    var(--night)}
.when-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(32px,6vw,96px);align-items:start}
.when-title{font:300 clamp(28px,3.6vw,48px)/1.12 var(--display);letter-spacing:-.02em;max-width:17ch}
.when-text p{margin:0 0 18px;color:#c2cfdf;max-width:50ch}
.when-text .btn{margin-top:12px}

/* Галерея */
.works{padding:clamp(90px,12vw,160px) 0}
.gallery{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:clamp(110px,12vw,170px);gap:12px;margin-top:56px;grid-auto-flow:dense}
.gallery button{all:unset;cursor:zoom-in;position:relative;overflow:hidden;border-radius:6px;grid-column:span 4;grid-row:span 2;background:var(--dusk)}
.gallery button:focus-visible{outline:2px solid var(--led);outline-offset:3px}
.gallery button.w{grid-column:span 8}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.gallery button:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:32px 16px 12px;font-size:14px;background:linear-gradient(transparent,rgba(5,8,15,.9));opacity:0;transition:opacity .3s}
.gallery button:hover figcaption,.gallery button:focus-visible figcaption{opacity:1}

/* Процесс — настоящая последовательность, поэтому нумерация */
.process{padding:clamp(90px,12vw,150px) 0;background:var(--dusk)}
.steps{list-style:none;margin:64px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:28px;position:relative}
.steps::before{content:"";position:absolute;left:0;right:0;top:22px;height:1px;background:linear-gradient(90deg,var(--led),var(--line) 85%);box-shadow:0 0 8px var(--led-soft)}
.steps li{position:relative}
.step-n{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--dusk);border:1px solid var(--led);color:var(--led);font:400 17px/1 var(--display);position:relative}
.steps h3{font:400 19px/1.25 var(--display);letter-spacing:-.01em;margin:22px 0 10px}
.steps p{margin:0;color:var(--steel);font-size:15px}

/* Контакты */
.contact{padding:clamp(90px,12vw,150px) 0}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,6vw,96px)}
.contacts{margin:44px 0 0}
.contacts div{display:grid;grid-template-columns:110px 1fr;padding:14px 0;border-top:1px solid var(--line)}
.contacts dt{color:var(--steel);font-size:15px}
.contacts dd{margin:0}
.contacts a{text-decoration:none}
.contacts a:hover{color:var(--led)}
.form{display:grid;gap:22px;background:var(--dusk);border:1px solid var(--line);border-radius:22px;padding:clamp(20px,3vw,36px)}
.field{border:0;margin:0;padding:0;display:grid;gap:8px;min-width:0}
.field label,.field legend{font-size:15px;color:var(--steel);padding:0}
.field legend{margin-bottom:8px}
.opt{opacity:.6}
.field input,.field textarea{font:400 17px/1.4 var(--body);color:var(--ice);background:var(--night);border:1px solid rgba(220,230,242,.14);border-radius:12px;padding:14px 16px;width:100%;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--led);box-shadow:0 0 0 3px rgba(61,168,255,.18)}
.field input[aria-invalid="true"]{border-color:#ff7a7a}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.chips span{display:inline-block;padding:10px 16px;border:1px solid rgba(220,230,242,.2);border-radius:999px;font-size:15px;transition:all .2s;cursor:pointer}
.chips input:checked+span{background:var(--led);border-color:var(--led);color:#03101f;box-shadow:0 0 18px -4px var(--led-soft)}
.chips input:focus-visible+span{outline:2px solid var(--led);outline-offset:3px}
.form-error{color:#ff9d9d;margin:0;font-size:15px}
.form-hint{color:var(--steel);font-size:14px;margin:-8px 0 0;text-align:center}

/* Подвал */
.foot{padding:40px 0 100px;border-top:1px solid var(--line);color:var(--steel);font-size:14px}
.foot-inner{display:flex;flex-wrap:wrap;gap:16px 40px;align-items:center;justify-content:space-between}
.foot p{margin:0}
.foot-logo{height:44px;width:auto}

/* WhatsApp */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:40;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#25D366;color:#fff;box-shadow:0 10px 30px -6px rgba(0,0,0,.6);transition:transform .25s}
.wa-float:hover{transform:scale(1.06)}

/* Лайтбокс */
.lightbox{border:0;padding:0;background:transparent;max-width:min(94vw,1400px);max-height:92vh;color:var(--ice);overflow:visible}
.lightbox::backdrop{background:rgba(3,5,10,.93)}
.lightbox img{max-height:84vh;width:auto;margin:0 auto;border-radius:6px}
.lightbox p{text-align:center;color:var(--steel);margin:12px 0 0}
.lb-close{position:fixed;top:14px;right:18px;background:none;border:0;color:var(--ice);font-size:40px;line-height:1;cursor:pointer;width:48px;height:48px}
.lightbox[open]{animation:picture-in .3s ease}

/* Адаптив */
@media (max-width:1020px){
  .nav{position:fixed;inset:0;background:var(--night);flex-direction:column;justify-content:center;align-items:flex-start;padding:0 var(--gut);gap:22px;transform:translateY(-100%);visibility:hidden;transition:transform .45s var(--ease),visibility 0s .45s;margin:0}
  .nav a{font:300 30px/1.1 var(--display);color:var(--ice)}
  .nav.open{transform:none;visibility:visible;transition:transform .45s var(--ease)}
  .burger{display:block;z-index:60}
  .top-phone{display:none}
  .hero-text,.when-inner,.contact-grid{grid-template-columns:1fr}
  .toc{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:1fr;gap:0}
  .steps::before{left:22px;right:auto;top:0;bottom:0;width:1px;height:auto;background:linear-gradient(180deg,var(--led),var(--line))}
  .steps li{display:grid;grid-template-columns:44px 1fr;column-gap:20px;padding-bottom:32px}
  .steps h3{margin:10px 0 6px}
  .steps p{grid-column:2}
  .gallery{grid-template-columns:repeat(6,1fr)}
  .gallery button,.gallery button.w{grid-column:span 6;grid-row:span 2}
}
@media (max-width:760px){
  /* на телефоне фото сверху, текст под ним — слева на фото места мало */
  .theme{display:block;min-height:0}
  .theme-bg{position:relative;inset:auto;z-index:0;aspect-ratio:4/3}
  .theme-bg img{object-position:72% 50%}
  .theme-bg::after{background:linear-gradient(180deg,var(--night) 0%,transparent 18%,transparent 60%,var(--night) 100%)}
  .theme-text{padding:0 var(--gut) 72px;margin-top:-48px}
  .devices{grid-template-columns:1fr}
  .devices li:nth-child(2){border-top:1px solid var(--line)}
}
@media (max-width:600px){
  body{font-size:16px}
  .hero{padding-top:96px;justify-content:flex-start}
  .screen-frame{aspect-ratio:16/10}
  .hero-text{margin-top:32px;gap:20px}
  .cta-row .btn{flex:1 1 100%}
  .gallery{grid-auto-rows:120px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .screen-beam{display:none}
}
/* меню поверх всего: у шапки снимаем blur, иначе fixed-меню обрезается по её высоте */
.top.menu-open{backdrop-filter:none;-webkit-backdrop-filter:none;background:transparent;border-color:transparent}