:root{--bg:#f7faff;--paper:#fff;--ink:#06152b;--muted:#5f7088;--line:#d7e1ef;--blue:#0759df;--blue2:#00a6ff;--navy:#020a17;--navy2:#07162d;--green:#78ef42;--max:1500px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}a{text-decoration:none;color:inherit}.wrap{width:min(var(--max),calc(100% - 64px));margin:auto}.site-header{height:78px;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(81,108,146,.18);background:rgba(249,252,255,.9);backdrop-filter:blur(16px)}.header-inner{height:100%;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand-mark{width:45px;height:45px;border-radius:11px;overflow:hidden;border:1px solid rgba(0,91,220,.3);box-shadow:0 10px 28px rgba(0,83,200,.16)}.brand-mark img{width:100%;height:100%;object-fit:cover}.brand-name{font-weight:900;letter-spacing:.13em;font-size:16px}.brand-sub{font:10px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.22em;color:#74859d;margin-top:3px}.nav{display:flex;gap:28px;font-size:14px}.nav a:hover{color:var(--blue)}.status{display:flex;align-items:center;gap:9px;padding:10px 13px;border:1px solid #d4dfed;border-radius:10px;background:rgba(255,255,255,.7);font:700 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;color:#29415f}.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(120,239,66,.13)}
.hero{position:relative;min-height:calc(100vh - 78px);overflow:hidden;background:linear-gradient(90deg,rgba(248,251,255,.98),rgba(248,251,255,.92) 38%,rgba(248,251,255,.58) 67%,rgba(248,251,255,.9)),radial-gradient(circle at 69% 45%,rgba(0,127,255,.2),transparent 26%),#f8fbff}.hero:before,.about:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='620' viewBox='0 0 1200 620'%3E%3Cg fill='none' stroke='%230b6dff' stroke-width='1'%3E%3Cpath opacity='.20' d='M0 90h170l45 45h180l40 40h125'/%3E%3Cpath opacity='.14' d='M0 155h120l72 72h210l55 55h170'/%3E%3Cpath opacity='.22' d='M70 0v80l70 70v140l85 85v150'/%3E%3Cpath opacity='.15' d='M330 0v55l70 70h150l70 70h180'/%3E%3Cpath opacity='.25' d='M1200 80h-130l-55 55H890l-45 45H720'/%3E%3Cpath opacity='.18' d='M1200 170h-230l-40 40H760l-70 70H510'/%3E%3Cpath opacity='.18' d='M1120 620v-135l-80-80V270l-65-65V85'/%3E%3Cpath opacity='.14' d='M790 620v-75l-70-70H580l-65-65H370'/%3E%3C/g%3E%3Cg fill='%230b6dff' opacity='.28'%3E%3Ccircle cx='170' cy='90' r='4'/%3E%3Ccircle cx='395' cy='135' r='4'/%3E%3Ccircle cx='560' cy='175' r='4'/%3E%3Ccircle cx='970' cy='170' r='4'/%3E%3Ccircle cx='845' cy='180' r='4'/%3E%3Ccircle cx='690' cy='280' r='4'/%3E%3Ccircle cx='1040' cy='405' r='4'/%3E%3Ccircle cx='720' cy='475' r='4'/%3E%3C/g%3E%3C/svg%3E");background-size:1200px 620px;opacity:.82}.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(520px,.95fr);gap:48px;align-items:center;padding:64px 0 34px}.eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:38px;font:700 12px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.14em;color:#566d88}.sep{height:22px;width:1px;background:#bcc8d8;margin:0 5px}.hero h1{margin:0;font-size:clamp(72px,7vw,118px);line-height:.88;letter-spacing:-.055em}.hero h2{margin:30px 0 20px;font-size:clamp(30px,2.55vw,48px);line-height:1.05;letter-spacing:-.03em;color:#0754ce}.lead{max-width:720px;padding-left:21px;border-left:2px solid #1f6cff;color:#41536e;font-size:18px;line-height:1.62}.actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 24px}.btn{min-height:58px;padding:0 22px;border:1px solid #aec5e6;border-radius:10px;background:#fff;color:#0c4fb7;display:inline-flex;align-items:center;gap:13px;justify-content:center;font-weight:760}.btn-primary{color:#fff;background:linear-gradient(135deg,#043b9b,#0869ee);border-color:#0759d3;box-shadow:0 12px 30px rgba(4,75,184,.18)}.btn:hover{transform:translateY(-2px)}.arrow{font-size:24px}.tags{display:flex;gap:9px;flex-wrap:wrap}.tag{height:42px;padding:0 13px;border:1px solid #d3dfed;border-radius:8px;background:rgba(255,255,255,.74);display:flex;align-items:center;gap:9px;font:700 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.07em;color:#536981}.tag i{width:14px;height:14px;border:2px solid #1266dc;border-radius:4px;transform:rotate(45deg)}
.hero-visual{position:relative;min-height:630px;display:grid;place-items:center}.node{position:relative;width:min(550px,42vw);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,rgba(4,111,255,.12),rgba(255,255,255,.15) 58%,transparent 59%)}.node:before,.node:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(22,105,234,.38)}.node:before{inset:3%;box-shadow:0 0 60px rgba(0,119,255,.15)}.node:after{inset:11%;border-style:dashed;animation:spin 38s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.node img{width:68%;aspect-ratio:1;object-fit:cover;border-radius:50%;box-shadow:0 0 0 10px rgba(255,255,255,.72),0 0 0 12px rgba(2,92,220,.34),0 30px 85px rgba(0,80,210,.3)}.orbit{position:absolute;width:11px;height:11px;background:#0a6cff;border-radius:50%;box-shadow:0 0 0 5px rgba(10,108,255,.11)}.o1{left:3%;top:47%}.o2{right:5%;top:28%}.o3{right:17%;bottom:8%}.o4{left:22%;top:11%}.side-cards{position:absolute;right:-20px;top:50%;transform:translateY(-50%);width:236px;display:grid;gap:9px}.side-card{padding:15px 16px;background:rgba(255,255,255,.8);border:1px solid #d5e1f1;border-radius:13px;box-shadow:0 12px 30px rgba(26,69,130,.08);backdrop-filter:blur(8px)}.side-card b{display:block;color:#0754ce;margin-bottom:5px}.side-card span{font-size:12px;line-height:1.45;color:#5c6c81}.hero-footer{position:relative;z-index:2;padding-bottom:42px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.feature-card{min-height:128px;padding:20px;border:1px solid #d7e1ee;border-radius:14px;background:rgba(255,255,255,.8);box-shadow:0 12px 32px rgba(33,77,140,.06)}.feature-card strong{display:block;margin-bottom:9px;font-size:15px}.feature-card p{margin:0;color:#617087;font-size:13px;line-height:1.5}.claim{text-align:center;padding:20px 0 4px;color:#184b99;font-weight:760;font-size:13px}
.about{position:relative;min-height:100vh;overflow-x:hidden;overflow-y:auto;color:#eef6ff;background:radial-gradient(circle at 12% 18%,rgba(0,100,255,.20),transparent 26%),radial-gradient(circle at 80% 12%,rgba(0,153,255,.15),transparent 28%),linear-gradient(180deg,#020916,#030d1d 60%,#020713)}.about:before{filter:brightness(1.5);opacity:.42}.about-inner{position:relative;z-index:2;padding:6px 0 82px}.about-top{display:grid;grid-template-columns:.86fr 1.14fr;gap:42px}.section-kicker{margin-bottom:15px;color:#78b8ff;font:700 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.15em}.about h1{margin:0 0 22px;font-size:48px;letter-spacing:-.035em}.about-intro{max-width:700px;color:#b9c9dc;font-size:17px;line-height:1.65}.inside-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.dark-card{min-height:150px;padding:18px;border:1px solid rgba(71,131,215,.3);border-radius:13px;background:linear-gradient(180deg,rgba(8,27,56,.88),rgba(4,16,35,.88))}.icon{width:34px;height:34px;margin-bottom:12px;border:1px solid rgba(51,135,255,.45);border-radius:9px;display:grid;place-items:center;color:#4aa5ff}.dark-card strong{font-size:14px}.dark-card p{margin:8px 0 0;color:#9eb0c7;font-size:12px;line-height:1.5}.about-row{display:grid;grid-template-columns:.88fr 1.12fr;gap:24px;margin-top:26px}.panel{border:1px solid rgba(54,118,206,.34);border-radius:16px;background:rgba(3,15,34,.78);box-shadow:0 22px 50px rgba(0,0,0,.18)}.media-panel,.flow-panel{padding:20px}.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.media-card{padding:17px;border:1px solid rgba(63,130,219,.28);border-radius:12px;background:#061329}.media-card strong{display:block;margin-bottom:9px;font-size:14px}.media-card p{margin:0;color:#9fb0c8;font-size:12px;line-height:1.55}.media-card .accent{margin-top:10px;color:#7ae972;font-weight:700;font-size:12px}.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.step{text-align:center;position:relative}.step:not(:last-child):after{content:"→";position:absolute;right:-11px;top:24px;color:#1c8cff;font-size:24px}.step-icon{width:58px;height:58px;margin:0 auto 12px;border:1px solid #1a75e7;border-radius:50%;display:grid;place-items:center;color:#4da7ff;background:radial-gradient(circle,#0b2448,#051226 68%);font-size:22px}.step strong{display:block;font-size:12px}.step p{margin:6px 2px 0;color:#899bb2;font-size:11px;line-height:1.4}.privacy{margin-top:12px;padding:16px 18px;display:flex;gap:18px;align-items:center;justify-content:space-between}.privacy h3{margin:0 0 6px;font-size:14px}.privacy p{margin:0;max-width:720px;color:#9fb0c7;font-size:11px;line-height:1.5}.privacy-tags{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.privacy-tag{padding:8px 10px;border:1px solid rgba(65,129,214,.32);border-radius:8px;color:#a7cfff;font:700 9px ui-monospace,SFMono-Regular,Menlo,monospace}
@media(max-width:1180px){.wrap{width:min(var(--max),calc(100% - 36px))}.hero-inner{grid-template-columns:1fr}.hero-visual{min-height:470px}.node{width:min(550px,72vw)}.feature-grid{grid-template-columns:repeat(2,1fr)}.about-top,.about-row{grid-template-columns:1fr}}@media(max-width:760px){.site-header{height:auto}.header-inner{padding:12px 0;flex-wrap:wrap}.nav{order:3;width:100%;justify-content:space-between}.status{display:none}.brand-sub{display:none}.hero h1{font-size:64px}.hero h2{font-size:30px}.lead{font-size:16px}.hero-visual{min-height:380px}.node{width:88vw}.side-cards{display:none}.feature-grid,.inside-grid,.media-grid{grid-template-columns:1fr}.flow{grid-template-columns:1fr;gap:14px}.step:not(:last-child):after{content:"↓";right:50%;top:66px}.privacy{align-items:flex-start;flex-direction:column}}



/* ===== ARCONA HOME SURFACE FINAL ===== */

html.home-page-root,
body.home-page {
  margin: 0 !important;
  width: 100% !important;
  height: 100vh !important;
  height: 100dvh !important;
  overflow: hidden !important;
}

body.home-page {
  position: relative !important;
}

body.home-page .site-header {
  position: fixed !important;
  z-index: 100 !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 78px !important;
}

body.home-page main {
  position: fixed !important;
  top: 78px !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  overflow: hidden !important;
}

/*
  Подрезаем именно верх поверхности.
  Hero начинается на 32px выше видимой области main.
  Main эти 32px физически обрезает.
*/
body.home-page .hero {
  position: absolute !important;
  top: -8px !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;

  width: 100% !important;
  height: auto !important;
  min-height: 0 !important;

  overflow: hidden !important;
}

@media (min-width:1181px) and (min-height:760px) {

  body.home-page .hero-inner {
    padding-top: 22px !important;
    padding-bottom: 8px !important;
    margin-top: 0 !important;
  }

  body.home-page .hero-visual {
    min-height: 540px !important;
  }

  body.home-page .hero-footer {
    padding-bottom: 4px !important;
  }

  body.home-page .claim {
    padding: 6px 0 0 !important;
  }
}

/* ===== END ARCONA HOME SURFACE FINAL ===== */


/* ===== ARCONA ABOUT READABILITY V2 ===== */

/* Верхние карточки */
body.about .dark-card {
  min-height: 168px;
  padding: 20px;
}

body.about .dark-card strong {
  font-size: 16px;
  line-height: 1.3;
}

body.about .dark-card p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.58;
  color: #c2d0e1;
}

/* Авторы / видео / музыканты / браузер */
body.about .media-card {
  padding: 20px;
}

body.about .media-card strong {
  font-size: 16px;
  line-height: 1.3;
}

body.about .media-card p {
  font-size: 15px;
  line-height: 1.62;
  color: #c2d0e1;
}

body.about .media-card .accent {
  font-size: 14px;
  line-height: 1.55;
}

/* Схема взаимодействия */
body.about .step strong {
  font-size: 14px;
}

body.about .step p {
  font-size: 13.5px;
  line-height: 1.5;
  color: #b5c5d8;
}

/* Нижняя плашка */
body.about .privacy h3 {
  font-size: 16px;
}

body.about .privacy p {
  font-size: 14px;
  line-height: 1.58;
  color: #bdcadb;
}

body.about .privacy-tag {
  font-size: 11px;
  line-height: 1.3;
}

/* Заголовки разделов */
body.about .section-kicker {
  font-size: 12px;
}

/* ===== END ARCONA ABOUT READABILITY V2 ===== */


/* ===== ARCONA ABOUT VERTICAL COMPACT V1 ===== */

/* Верхние карточки чуть компактнее, текст оставляем читаемым */
body.about .dark-card {
  min-height: 162px;
  padding: 19px 20px;
}

body.about .dark-card p {
  font-size: 14px;
  line-height: 1.48;
}

/* Убираем лишний промежуток между верхним и нижним блоком */
body.about .about-row {
  margin-top: 21px;
}

/* Нижние три карточки сейчас съедают основную высоту */
body.about .media-panel,
body.about .flow-panel {
  padding: 19px;
}

body.about .media-card {
  padding: 18px;
}

body.about .media-card strong {
  font-size: 15px;
}

body.about .media-card p {
  font-size: 14px;
  line-height: 1.48;
}

body.about .media-card .accent {
  font-size: 13px;
  line-height: 1.4;
}

/* Схема взаимодействия немного плотнее */
body.about .step-icon {
  margin-bottom: 10px;
}

body.about .step p {
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.4;
}

/* Нижняя строка приватности */
body.about .privacy {
  margin-top: 11px;
  padding: 15px 18px;
}

body.about .privacy p {
  font-size: 13px;
  line-height: 1.45;
}

/* ===== END ARCONA ABOUT VERTICAL COMPACT V1 ===== */


/* ===== ARCONA GOVERNANCE NOTE V1 ===== */

body.about .governance-note {
  margin-top: 24px;
  max-width: 650px;
  padding-left: 16px;
  border-left: 2px solid #176fe8;

  color: #b9c9dc;
  font-size: 14px;
  line-height: 1.55;
}

body.about .governance-note strong {
  color: #eef6ff;
  font-weight: 700;
}

/* ===== END ARCONA GOVERNANCE NOTE V1 ===== */


/* ===== ARCONA ABOUT HEADER NAV DARK V1 ===== */

body.about .site-header .nav a {
  color: #101827 !important;
}

body.about .site-header .nav a:hover {
  color: #0758e8 !important;
}

/* ===== END ARCONA ABOUT HEADER NAV DARK V1 ===== */


/* ===== ARCONA ABOUT HEADER DARK TEXT V2 ===== */

body.about .site-header {
  color: #101827 !important;
}

body.about .site-header .brand-name {
  color: #101827 !important;
}

body.about .site-header .brand-sub {
  color: #52627a !important;
}

body.about .site-header .nav a {
  color: #101827 !important;
}

body.about .site-header .nav a:visited {
  color: #101827 !important;
}

body.about .site-header .nav a:hover {
  color: #0758e8 !important;
}

/* ===== END ARCONA ABOUT HEADER DARK TEXT V2 ===== */


/* ===== ARCONA LAPTOP AUTO RESPONSIVE V1 ===== */

/*
   Большой монитор вообще не трогаем.

   Этот режим автоматически включается,
   только если браузеру реально не хватает высоты.

   Никаких zoom / transform / расширения html.
*/

@media (min-width:1181px) and (max-height:850px) {

  body.home-page .hero-inner {
    padding-top:22px;
    padding-bottom:10px;
    gap:36px;
  }

  body.home-page .eyebrow {
    margin-bottom:22px;
  }

  body.home-page .hero h1 {
    font-size:clamp(80px,7vw,100px);
  }

  body.home-page .hero h2 {
    margin:18px 0 13px;
    font-size:clamp(30px,2.6vw,40px);
  }

  body.home-page .lead {
    font-size:15px;
    line-height:1.48;
  }

  body.home-page .actions {
    margin:16px 0 14px;
  }

  body.home-page .btn {
    min-height:48px;
  }

  body.home-page .tag {
    height:36px;
  }

  body.home-page .hero-visual {
    min-height:390px;
  }

  body.home-page .node {
    width:min(390px,32vw);
  }

  body.home-page .side-cards {
    width:210px;
    gap:7px;
  }

  body.home-page .side-card {
    padding:11px 13px;
  }

  body.home-page .side-card span {
    font-size:11px;
    line-height:1.35;
  }

  body.home-page .hero-footer {
    padding-bottom:12px;
  }

  body.home-page .feature-grid {
    gap:10px;
  }

  body.home-page .feature-card {
    min-height:92px;
    padding:13px 15px;
  }

  body.home-page .feature-card strong {
    margin-bottom:5px;
    font-size:13px;
  }

  body.home-page .feature-card p {
    font-size:11px;
    line-height:1.35;
  }

  body.home-page .claim {
    padding:7px 0 2px;
    font-size:11px;
  }


  /*
     Страница "Как устроена":
     только уменьшаем лишний вертикальный воздух.
     Она остаётся обычной страницей со скроллом.
  */

  body.about .about-inner {
    padding-top:clamp(36px,6dvh,70px);
    padding-bottom:clamp(42px,7dvh,82px);
  }

  body.about .about-top {
    gap:30px;
  }

  body.about .about-row {
    margin-top:18px;
  }

}


/*
   Очень низкое окно — например ноутбук с закреплённой
   панелью Windows + большой верхней панелью браузера.
*/

@media (min-width:1181px) and (max-height:700px) {

  body.home-page .hero-inner {
    padding-top:14px;
    padding-bottom:6px;
  }

  body.home-page .eyebrow {
    margin-bottom:15px;
  }

  body.home-page .hero h1 {
    font-size:76px;
  }

  body.home-page .hero h2 {
    margin:13px 0 9px;
    font-size:29px;
  }

  body.home-page .lead {
    font-size:14px;
    line-height:1.42;
  }

  body.home-page .actions {
    margin:11px 0 9px;
  }

  body.home-page .btn {
    min-height:43px;
  }

  body.home-page .tag {
    height:32px;
  }

  body.home-page .hero-visual {
    min-height:340px;
  }

  body.home-page .node {
    width:min(340px,29vw);
  }

  body.home-page .feature-card {
    min-height:82px;
    padding:10px 13px;
  }

}


/*
   Уже не desktop-композиция.
   Используем существующий штатный responsive сайта.
*/

@media (max-width:1180px) {

  html.home-page-root,
  body.home-page {
    overflow-x:hidden !important;
    overflow-y:auto !important;
    height:auto !important;
    min-height:100% !important;
  }

}

/* ===== END ARCONA LAPTOP AUTO RESPONSIVE V1 ===== */


/* ARCONA_HOME_FOUR_TAGS_V1 */
@media (min-width: 680px) {
  .home-page .hero .tags {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 7px;
    width: 100%;
    max-width: 700px;
  }

  .home-page .hero .tags > .tag {
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    min-width: 0;
    white-space: nowrap;
    padding: 9px 6px;
    font-size: 9px;
    letter-spacing: .02em;
  }
}

@media (max-width: 679px) {
  .home-page .hero .tags {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
}