/* =====================================================================
   СИАЛИЯ · премиум-лендинг курортной недвижимости (OAZIS ESTATE, Сочи)
   Оригинальный дизайн. Весь визуал — здесь; шаблон только подключает <link>.
   ===================================================================== */

/* ---------- Дизайн-токены ---------- */
:root {
  --ink:   #201078;
  --ink2:  #2d18b0;
  --ink3:  #150a55;
  --white: #ffffff;
  --paper: #f6f5ff;

  --grad: linear-gradient(120deg, #3b2fe0, #8a1fd0, #e0189a, #ff5a5f);
  --grad-soft: linear-gradient(120deg, rgba(59,47,224,.16), rgba(224,24,154,.16));

  --ink-glass: rgba(21, 10, 85, .55);
  --line: rgba(255, 255, 255, .14);
  --line-dark: rgba(32, 16, 120, .12);

  --shadow-1: 0 10px 30px rgba(21, 10, 85, .18);
  --shadow-2: 0 24px 70px rgba(21, 10, 85, .30);

  --font-display: "Unbounded", "Manrope", system-ui, "Segoe UI", Arial, sans-serif;
  --font-body:    "Manrope", "Inter", system-ui, "Segoe UI", Arial, sans-serif;

  --nav-h: 76px;
  --maxw: 1240px;
  --radius: 22px;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink3);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

/* Полоса скролла со снапом секций */
.osx-scroll {
  scroll-snap-type: y proximity;
}

/* ---------- Утилиты ---------- */
.osx-wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.osx-grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.osx-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body);
  font-size: .8rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
}
.osx-note {
  font-size: .74rem; letter-spacing: .04em; opacity: .55;
  font-style: italic;
}

/* ---------- Секции ---------- */
.osx-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 64px;
  scroll-snap-align: start;
  overflow: hidden;
}
.osx-section--auto { min-height: auto; }
.osx-ink  { background: var(--ink3); color: var(--white); }
.osx-ink2 { background: linear-gradient(180deg, var(--ink3), var(--ink)); color: var(--white); }
.osx-white { background: var(--white); color: var(--ink3); }
.osx-paper { background: var(--paper); color: var(--ink3); }

.osx-section-head { max-width: 760px; margin-bottom: 44px; }
.osx-h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: .01em;
  line-height: .98;
  font-size: clamp(2.1rem, 6vw, 4.4rem);
  margin: 16px 0 12px;
}
.osx-lead { font-size: clamp(1rem, 1.4vw, 1.25rem); opacity: .82; max-width: 60ch; }
.osx-ink .osx-eyebrow, .osx-ink2 .osx-eyebrow { color: #fff; }
.osx-white .osx-eyebrow, .osx-paper .osx-eyebrow {
  color: var(--ink2); border-color: var(--line-dark); background: rgba(45,24,176,.05);
}

/* ---------- Кнопки ---------- */
.osx-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 28px; border-radius: 999px;
  font-weight: 700; letter-spacing: .02em; font-size: .98rem;
  border: 1px solid transparent; white-space: nowrap;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}
.osx-btn:hover { transform: translateY(-2px); }
.osx-btn--grad { background: var(--grad); color: #fff; box-shadow: var(--shadow-1); background-size: 180% 180%; }
.osx-btn--grad:hover { box-shadow: var(--shadow-2); animation: osxGradShift 6s ease infinite; }
.osx-btn--light { background: #fff; color: var(--ink3); }
.osx-btn--ghost { background: transparent; border-color: currentColor; color: inherit; }
.osx-btn--ghost:hover { background: rgba(255,255,255,.1); }
.osx-white .osx-btn--ghost:hover, .osx-paper .osx-btn--ghost:hover { background: rgba(45,24,176,.06); }

/* ==========================================================
   1. НАВБАР
   ========================================================== */
.osx-nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: height .3s ease, background .3s ease, backdrop-filter .3s ease, box-shadow .3s ease;
  background: rgba(21,10,85,.28);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.osx-nav.is-condensed {
  height: 60px;
  background: rgba(21,10,85,.82);
  box-shadow: 0 8px 30px rgba(0,0,0,.28);
}
.osx-nav .osx-wrap { display: flex; align-items: center; gap: 20px; }
.osx-logo {
  font-family: var(--font-display);
  font-weight: 800; letter-spacing: .18em; font-size: 1.15rem;
  color: #fff; text-transform: uppercase;
}
.osx-logo span { display: inline-block; }
.osx-nav-center { margin-inline: auto; display: flex; gap: 12px; }
.osx-nav-pill {
  color: #fff; font-weight: 700; font-size: .82rem; letter-spacing: .04em;
  padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line);
  background: rgba(255,255,255,.06); transition: background .25s, transform .25s;
  text-transform: uppercase;
}
.osx-nav-pill:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }
.osx-nav-pill--grad { background: var(--grad); border-color: transparent; background-size: 180% 180%; }
.osx-nav-pill--grad:hover { animation: osxGradShift 6s ease infinite; }
.osx-nav-phone { color: #fff; font-weight: 700; font-size: .95rem; display: flex; align-items: center; gap: 8px; }
.osx-nav-phone small { display: block; font-size: .62rem; opacity: .6; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; }

.osx-burger {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(255,255,255,.06);
  position: relative; margin-left: auto;
}
.osx-burger span, .osx-burger::before, .osx-burger::after {
  content: ""; position: absolute; left: 11px; right: 11px; height: 2px;
  background: #fff; border-radius: 2px; transition: transform .3s ease, opacity .2s ease;
}
.osx-burger span { top: 21px; }
.osx-burger::before { top: 15px; }
.osx-burger::after { top: 27px; }
.osx-burger.is-open::before { transform: translateY(6px) rotate(45deg); }
.osx-burger.is-open::after  { transform: translateY(-6px) rotate(-45deg); }
.osx-burger.is-open span { opacity: 0; }

.osx-mobile-menu {
  position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 55;
  background: rgba(21,10,85,.97);
  backdrop-filter: blur(12px);
  padding: 24px; display: none; flex-direction: column; gap: 12px;
  border-bottom: 1px solid var(--line);
}
.osx-mobile-menu.is-open { display: flex; }
.osx-mobile-menu a { color: #fff; font-weight: 700; font-size: 1rem; padding: 12px 8px; border-radius: 12px; }
.osx-mobile-menu a:hover { background: rgba(255,255,255,.08); }

/* ==========================================================
   2. HERO
   ========================================================== */
.osx-hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  color: #fff;
  scroll-snap-align: start;
  overflow: hidden;
  background: var(--ink3);
}
.osx-hero-media { position: absolute; inset: 0; z-index: 0; }
.osx-hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.osx-hero-media.is-fallback { background: radial-gradient(120% 120% at 70% 10%, #2d18b0 0%, #150a55 60%, #0c0640 100%); }
.osx-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(21,10,85,.35) 0%, rgba(21,10,85,.55) 55%, rgba(12,6,64,.9) 100%);
}
.osx-hero-inner { position: relative; z-index: 2; padding-top: var(--nav-h); }
.osx-hero h1 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 800;
  line-height: .94;
  letter-spacing: .005em;
  font-size: clamp(2.6rem, 8.5vw, 6.6rem);
  margin: 20px 0 18px;
  max-width: 15ch;
}
.osx-hero p.osx-hero-sub { font-size: clamp(1.05rem, 1.6vw, 1.45rem); opacity: .88; max-width: 52ch; }
.osx-hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

/* анимированные слова заголовка */
.osx-word { display: inline-block; opacity: 0; transform: translateY(40px); }
.is-reveal .osx-word { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }

/* стрелка вниз */
.osx-scroll-down {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  z-index: 3; color: #fff; display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; opacity: .8;
}
.osx-scroll-down .osx-arrow {
  width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.6); border-radius: 14px; position: relative;
}
.osx-scroll-down .osx-arrow::after {
  content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; border-radius: 4px;
  background: #fff; transform: translateX(-50%); animation: osxScrollDot 1.6s ease infinite;
}

/* «жидкий» градиент-арт для hero и big-stat */
.osx-liquid {
  position: absolute; inset: -20%; z-index: 0; filter: blur(46px); opacity: .55;
  background: conic-gradient(from 0deg, #3b2fe0, #8a1fd0, #e0189a, #ff5a5f, #3b2fe0);
  animation: osxLiquid 18s linear infinite;
}

/* ==========================================================
   3. СЧЁТЧИКИ
   ========================================================== */
.osx-counters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; width: 100%; }
.osx-counter {
  padding: 30px 22px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.05);
  text-align: center;
}
.osx-counter-v {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1;
}
.osx-counter-l { margin-top: 10px; opacity: .78; font-size: .92rem; }

/* ==========================================================
   4. МЕДИА-БЛОК
   ========================================================== */
.osx-media-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; width: 100%; }
.osx-media {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 16 / 10; box-shadow: var(--shadow-2);
  border: 1px solid var(--line);
}
.osx-media img { width: 100%; height: 100%; object-fit: cover; }
.osx-media.is-fallback { background: var(--grad); background-size: 200% 200%; animation: osxGradShift 10s ease infinite; }
.osx-media-cap {
  position: absolute; left: 18px; bottom: 16px; right: 18px;
  font-weight: 700; text-shadow: 0 2px 12px rgba(0,0,0,.5);
  display: flex; align-items: center; gap: 10px;
}
.osx-play {
  width: 62px; height: 62px; border-radius: 50%;
  position: absolute; inset: 0; margin: auto;
  background: rgba(255,255,255,.9); color: var(--ink3);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
  box-shadow: var(--shadow-1);
}

/* ==========================================================
   5 & 9. КАРУСЕЛИ
   ========================================================== */
.osx-carousel { position: relative; width: 100%; }
.osx-track {
  display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 6px 2px 22px; scroll-behavior: smooth;
  -ms-overflow-style: none; scrollbar-width: none; cursor: grab;
}
.osx-track::-webkit-scrollbar { display: none; }
.osx-track.is-drag { cursor: grabbing; scroll-behavior: auto; }
.osx-card {
  flex: 0 0 clamp(260px, 34vw, 400px);
  scroll-snap-align: start;
  border-radius: var(--radius); overflow: hidden;
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
  transition: transform .35s ease, box-shadow .35s ease;
}
.osx-white .osx-card, .osx-paper .osx-card { background: #fff; border-color: var(--line-dark); box-shadow: var(--shadow-1); }
.osx-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-2); }
.osx-card-img { aspect-ratio: 4 / 3; position: relative; }
.osx-card-img img { width: 100%; height: 100%; object-fit: cover; }
.osx-card-img.is-fallback { background: var(--grad); background-size: 200% 200%; animation: osxGradShift 12s ease infinite; }
.osx-card-body { padding: 20px 22px 24px; }
.osx-card-body h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .01em; }
.osx-card-body p { margin: 0; opacity: .8; font-size: .95rem; }

.osx-carousel-nav { display: flex; gap: 12px; margin-top: 6px; }
.osx-round {
  width: 54px; height: 54px; border-radius: 50%;
  border: 1px solid currentColor; background: transparent; color: inherit;
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  transition: background .25s, transform .25s, color .25s;
}
.osx-round:hover { transform: scale(1.08); }
.osx-ink .osx-round:hover, .osx-ink2 .osx-round:hover { background: #fff; color: var(--ink3); }
.osx-white .osx-round:hover, .osx-paper .osx-round:hover { background: var(--ink3); color: #fff; }

/* ==========================================================
   6 & 10. СЕТКИ ПУНКТОВ / ФАКТОВ (чёрточка-акцент)
   ========================================================== */
.osx-grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px 40px; width: 100%; }
.osx-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; width: 100%; }
.osx-point, .osx-fact { padding-top: 20px; position: relative; }
.osx-point::before, .osx-fact::before {
  content: ""; position: absolute; top: 0; left: 0; width: 54px; height: 4px; border-radius: 4px;
  background: var(--grad);
}
.osx-point h3, .osx-fact h3 {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 1.1rem; margin: 0 0 8px; letter-spacing: .01em;
}
.osx-fact-v { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.8rem, 3vw, 2.6rem); line-height: 1; }
.osx-point p, .osx-fact p { margin: 6px 0 0; opacity: .78; font-size: .95rem; }

/* ==========================================================
   7. ЛОКАЦИЯ (SVG-карта)
   ========================================================== */
.osx-map-grid { display: grid; grid-template-columns: 1.3fr .9fr; gap: 40px; align-items: center; width: 100%; }
.osx-map {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-2);
  background: linear-gradient(180deg, #1a0e6e, #0c0640);
}
.osx-map svg { width: 100%; height: auto; display: block; }
.osx-pin-dot { transform-box: fill-box; transform-origin: center; animation: osxPulse 2.6s ease infinite; }
.osx-map-legend { display: grid; gap: 14px; }
.osx-map-legend li { display: flex; align-items: baseline; gap: 12px; }
.osx-map-legend .osx-dist {
  font-family: var(--font-display); font-weight: 800; font-size: 1.3rem;
  min-width: 92px;
}
.osx-map-legend .osx-place { opacity: .82; }

/* ==========================================================
   8. БОЛЬШАЯ ЦИФРА-СТАТ
   ========================================================== */
.osx-bigstat { position: relative; text-align: center; width: 100%; }
.osx-bigstat-v {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(4rem, 18vw, 15rem); line-height: .9;
  position: relative; z-index: 2;
}
.osx-bigstat-l { position: relative; z-index: 2; font-size: clamp(1rem, 2vw, 1.5rem); letter-spacing: .1em; text-transform: uppercase; opacity: .9; }

/* ==========================================================
   11. УРОВЕНЬ КОМФОРТА
   ========================================================== */
.osx-split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; width: 100%; }
.osx-split-media { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 4; box-shadow: var(--shadow-2); border: 1px solid var(--line); }
.osx-split-media img { width: 100%; height: 100%; object-fit: cover; }
.osx-split-media.is-fallback { background: var(--grad); background-size: 200% 200%; animation: osxGradShift 12s ease infinite; }

/* ==========================================================
   12. ДЕВЕЛОПЕР
   ========================================================== */
.osx-brand-word {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(3rem, 12vw, 9rem); line-height: .9; letter-spacing: .02em;
}

/* ==========================================================
   13. КОНТАКТЫ / ФУТЕР / ФОРМА
   ========================================================== */
.osx-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; width: 100%; }
.osx-contact-info li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.osx-contact-info .osx-ic { font-size: 1.3rem; opacity: .8; }
.osx-contact-info b { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; opacity: .6; }

.osx-form { display: grid; gap: 14px; }
.osx-field { display: grid; gap: 6px; }
.osx-field label { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; opacity: .7; }
.osx-input {
  width: 100%; padding: 14px 16px; border-radius: 14px;
  border: 1px solid var(--line); background: rgba(255,255,255,.06); color: #fff;
  font-family: inherit; font-size: 1rem; transition: border-color .2s, background .2s;
}
.osx-input::placeholder { color: rgba(255,255,255,.5); }
.osx-input:focus { outline: none; border-color: #e0189a; background: rgba(255,255,255,.1); }
textarea.osx-input { min-height: 96px; resize: vertical; }
/* honeypot — вне поля зрения человека, доступно только ботам */
.osx-hp { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; opacity: 0; }
.osx-consent { display: flex; gap: 10px; align-items: flex-start; font-size: .86rem; opacity: .85; }
.osx-consent input { margin-top: 4px; }
.osx-consent a { text-decoration: underline; }
.osx-form-msg { min-height: 22px; font-size: .9rem; font-weight: 600; }
.osx-form-msg.is-ok { color: #6cf0b8; }
.osx-form-msg.is-err { color: #ff9aa8; }
.osx-form.is-sent .osx-form-body { display: none; }
.osx-form-success { display: none; text-align: center; padding: 30px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--grad-soft); }
.osx-form.is-sent .osx-form-success { display: block; }

.osx-security-link {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 14px; margin-top: 12px;
  background: rgba(255,255,255,.06); border: 1px solid var(--line);
  font-weight: 700; transition: background .25s, transform .25s;
}
.osx-security-link:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }

.osx-footer { border-top: 1px solid var(--line); padding: 30px 0; }
.osx-footer .osx-wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.osx-footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.osx-footer-links a { opacity: .75; font-size: .92rem; }
.osx-footer-links a:hover { opacity: 1; }
.osx-copy { opacity: .6; font-size: .88rem; }

/* ==========================================================
   ДОК-ХАБ (/oasis/security)
   ========================================================== */
.osx-doc-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; width: 100%; }
.osx-doc-card {
  display: flex; gap: 18px; padding: 26px; border-radius: var(--radius);
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
}
.osx-doc-card:hover { transform: translateY(-6px); background: rgba(255,255,255,.09); box-shadow: var(--shadow-2); }
.osx-doc-ic {
  flex: 0 0 54px; width: 54px; height: 54px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
  background: var(--grad); background-size: 180% 180%; color: #fff;
}
.osx-doc-card h3 { font-family: var(--font-display); font-weight: 700; margin: 0 0 6px; font-size: 1.15rem; text-transform: uppercase; letter-spacing: .01em; }
.osx-doc-card p { margin: 0; opacity: .8; font-size: .92rem; }
.osx-summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; width: 100%; margin-top: 12px; }
.osx-summary-card { padding: 22px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(255,255,255,.05); }
.osx-summary-card h4 { margin: 0 0 8px; font-family: var(--font-display); font-weight: 700; font-size: 1rem; }
.osx-summary-card p { margin: 0; opacity: .8; font-size: .9rem; }

/* ==========================================================
   REVEAL-АНИМАЦИИ
   ========================================================== */
.osx-reveal { opacity: 0; transform: translateY(40px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.osx-reveal.is-reveal { opacity: 1; transform: none; }
.osx-reveal--scale { transform: scale(.92); }
.osx-reveal--scale.is-reveal { transform: none; }
.osx-reveal--left { transform: translateX(-50px); }
.osx-reveal--left.is-reveal { transform: none; }
.osx-reveal--right { transform: translateX(50px); }
.osx-reveal--right.is-reveal { transform: none; }
/* stagger — задаётся data-index через inline var(--i) в шаблоне */
[data-stagger] { transition-delay: calc(var(--i, 0) * 90ms); }

.osx-parallax { will-change: transform; }

/* ==========================================================
   LIGHTBOX
   ========================================================== */
.osx-lightbox {
  position: fixed; inset: 0; z-index: 90; display: none;
  background: rgba(8,4,40,.92); align-items: center; justify-content: center; padding: 24px;
}
.osx-lightbox.is-open { display: flex; }
.osx-lightbox img { max-width: min(92vw, 1200px); max-height: 86vh; border-radius: 14px; box-shadow: var(--shadow-2); }
.osx-lightbox-close { position: absolute; top: 22px; right: 26px; color: #fff; font-size: 2.4rem; line-height: 1; background: none; border: none; }
.osx-lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); color: #fff; font-size: 2.6rem; background: none; border: none; padding: 12px; opacity: .8; }
.osx-lightbox-nav:hover { opacity: 1; }
.osx-lb-prev { left: 12px; } .osx-lb-next { right: 12px; }

/* ==========================================================
   KEYFRAMES
   ========================================================== */
@keyframes osxGradShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes osxLiquid { 0% { transform: rotate(0deg) scale(1.1); } 50% { transform: rotate(180deg) scale(1.3); } 100% { transform: rotate(360deg) scale(1.1); } }
@keyframes osxScrollDot { 0% { top: 8px; opacity: 1; } 70% { top: 22px; opacity: 0; } 100% { top: 8px; opacity: 0; } }
@keyframes osxPulse { 0% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: .5; } 100% { transform: scale(1); opacity: 1; } }

/* ==========================================================
   АДАПТИВ
   ========================================================== */
@media (max-width: 1080px) {
  .osx-nav-center { display: none; }
  .osx-nav-phone { display: none; }
  .osx-burger { display: block; }
  .osx-map-grid { grid-template-columns: 1fr; }
  .osx-facts { grid-template-columns: repeat(2, 1fr); }
  .osx-counters { grid-template-columns: repeat(2, 1fr); }
  .osx-doc-cards, .osx-summary-grid { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .osx-section { min-height: auto; padding: calc(var(--nav-h) + 24px) 0 48px; scroll-snap-align: none; }
  .osx-hero { min-height: 92svh; }
  .osx-media-grid, .osx-grid-6, .osx-split, .osx-contact-grid { grid-template-columns: 1fr; }
  .osx-summary-grid { grid-template-columns: 1fr; }
  .osx-scroll { scroll-snap-type: none; }
}
@media (max-width: 520px) {
  .osx-counters, .osx-facts { grid-template-columns: 1fr 1fr; }
  .osx-wrap { padding: 0 18px; }

  /* Крупная типографика на мобильном: уменьшаем, чтобы длинные слова не обрезались */
  .osx-hero h1 { font-size: clamp(1.4rem, 7.2vw, 2.35rem); letter-spacing: 0; max-width: 100%; }
  .osx-h2 { font-size: clamp(1.5rem, 6.6vw, 2.1rem); }
  .osx-hero p.osx-hero-sub { font-size: 1.02rem; }
  .osx-bigstat-v { font-size: clamp(3.2rem, 22vw, 5rem); }
  .osx-brand-word { font-size: clamp(2.4rem, 15vw, 4rem); }
  .osx-eyebrow { letter-spacing: .1em; font-size: .72rem; padding: 7px 12px; }
  /* Длинные слова никогда не выходят за экран */
  .osx-hero h1, .osx-h2, .osx-lead, .osx-hero-sub, .osx-prose p, .osx-topic-link { overflow-wrap: break-word; }
  /* Индикатор «Листайте» на мобильном перекрывает кнопки — прячем */
  .osx-scroll-down { display: none; }
  /* Кнопки на всю ширину — удобнее пальцем */
  .osx-hero-cta { width: 100%; }
  .osx-hero-cta .osx-btn { flex: 1 1 100%; }
  /* На мобильном — только вертикальное появление (без боковых сдвигов) */
  .osx-reveal--left, .osx-reveal--right { transform: translateY(36px); }
  .osx-reveal--left.is-reveal, .osx-reveal--right.is-reveal { transform: none; }
}

/* Доступность: уважаем prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .osx-reveal, .osx-word { opacity: 1 !important; transform: none !important; }
  .osx-liquid { display: none; }
}

/* ==========================================================
   ДОКУМЕНТАЦИЯ БЕЗОПАСНОСТИ (/oasis/security)
   Полностраничный нативный рендер задания 1 в дизайн-системе «Сиалия».
   ========================================================== */

/* Подзаголовки внутри документа */
.osx-h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .01em;
  line-height: 1.08;
  font-size: clamp(1.2rem, 2.4vw, 1.75rem);
  margin: 42px 0 14px;
}
.osx-h3:first-child { margin-top: 0; }
.osx-h4 {
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.02rem; letter-spacing: .01em;
  margin: 26px 0 8px;
}

/* Читаемый «документный» текст: абзацы и списки */
.osx-prose { max-width: 76ch; }
.osx-prose--wide { max-width: 100%; }
.osx-prose p { margin: 0 0 14px; opacity: .9; font-size: 1.02rem; }
.osx-prose p:last-child { margin-bottom: 0; }
.osx-prose ul, .osx-prose ol { margin: 4px 0 16px; padding-left: 0; display: grid; gap: 10px; }
.osx-prose ol { counter-reset: osx-ol; }
.osx-prose li { position: relative; padding-left: 32px; opacity: .9; font-size: 1.02rem; }
.osx-prose ul > li::before {
  content: ""; position: absolute; left: 2px; top: .5em;
  width: 12px; height: 12px; border-radius: 4px; background: var(--grad);
}
.osx-prose ol > li { counter-increment: osx-ol; }
.osx-prose ol > li::before {
  content: counter(osx-ol); position: absolute; left: 0; top: 0;
  width: 23px; height: 23px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: .72rem; font-weight: 800; color: #fff;
  background: var(--grad); background-size: 180% 180%;
}
.osx-prose strong { color: #fff; font-weight: 800; }
.osx-white .osx-prose strong, .osx-paper .osx-prose strong { color: var(--ink3); }
.osx-prose a { text-decoration: underline; text-underline-offset: 3px; }

/* Выноска-акцент (честный тезис, важные заметки закона) */
.osx-callout {
  position: relative; margin: 22px 0; padding: 22px 24px 22px 30px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--grad-soft);
  overflow: hidden;
}
.osx-callout::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--grad);
}
.osx-callout p { margin: 0; font-size: 1.05rem; }
.osx-callout p + p { margin-top: 10px; }
.osx-white .osx-callout, .osx-paper .osx-callout { border-color: var(--line-dark); }

/* Оглавление документа — липкая панель чипов (десктоп и мобайл) */
.osx-doc-toc {
  position: sticky; top: 58px; z-index: 40;
  background: rgba(21,10,85,.86);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.osx-doc-toc-inner {
  display: flex; gap: 10px; align-items: center;
  overflow-x: auto; padding: 11px 24px;
  max-width: var(--maxw); margin: 0 auto;
  -ms-overflow-style: none; scrollbar-width: none;
}
.osx-doc-toc-inner::-webkit-scrollbar { display: none; }
.osx-doc-toc .osx-toc-label {
  flex: 0 0 auto; font-size: .66rem; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; opacity: .55; margin-right: 2px;
}
.osx-doc-toc a {
  flex: 0 0 auto; color: #fff; font-weight: 700; font-size: .78rem; letter-spacing: .03em;
  padding: 8px 15px; border-radius: 999px; border: 1px solid var(--line);
  background: rgba(255,255,255,.06); white-space: nowrap;
  transition: background .25s, transform .25s;
}
.osx-doc-toc a:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }

/* Смещение якорей под липкие навбар + оглавление */
.osx-doc-section { scroll-margin-top: 118px; }

/* Семь слоёв эшелонированной обороны */
.osx-layers {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; width: 100%; margin-top: 8px;
}
.osx-layer {
  position: relative; padding: 20px 15px 18px; border-radius: 18px;
  border: 1px solid var(--line); background: rgba(255,255,255,.05);
  transition: transform .3s ease, background .3s ease;
}
.osx-layer:hover { transform: translateY(-6px); background: rgba(255,255,255,.09); }
.osx-layer-n {
  width: 34px; height: 34px; border-radius: 10px; margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; font-size: 1rem; color: #fff;
  background: var(--grad); background-size: 180% 180%;
}
.osx-layer h4 { margin: 0 0 6px; font-family: var(--font-display); font-weight: 700; font-size: .92rem; text-transform: uppercase; letter-spacing: .01em; }
.osx-layer p { margin: 0; font-size: .8rem; opacity: .72; line-height: 1.45; }
.osx-white .osx-layer, .osx-paper .osx-layer { background: #fff; border-color: var(--line-dark); box-shadow: var(--shadow-1); }

/* Премиум-таблица + горизонтальный скролл-контейнер */
.osx-table-wrap {
  width: 100%; overflow-x: auto; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.04);
  -webkit-overflow-scrolling: touch; margin: 6px 0;
}
.osx-table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 620px; }
.osx-table th, .osx-table td {
  text-align: left; padding: 13px 18px; vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.osx-table thead th {
  font-family: var(--font-body); font-weight: 800; font-size: .72rem;
  letter-spacing: .08em; text-transform: uppercase; white-space: nowrap;
  background-image: linear-gradient(rgba(255,255,255,.08), rgba(255,255,255,.08)), var(--grad);
  background-clip: padding-box, border-box;
  background-origin: border-box;
  border-bottom: 2px solid transparent;
}
.osx-table tbody tr:nth-child(even) { background: rgba(255,255,255,.035); }
.osx-table tbody tr:hover { background: rgba(255,255,255,.08); }
.osx-table tbody tr:last-child td { border-bottom: none; }
.osx-table td strong, .osx-table th strong { color: #fff; }
.osx-table tr.osx-table-total td {
  font-weight: 800; background: var(--grad-soft); border-top: 1px solid var(--line);
}
/* вариант на белом фоне */
.osx-white .osx-table-wrap, .osx-paper .osx-table-wrap { border-color: var(--line-dark); background: #fff; box-shadow: var(--shadow-1); }
.osx-white .osx-table th, .osx-white .osx-table td,
.osx-paper .osx-table th, .osx-paper .osx-table td { border-bottom-color: var(--line-dark); }
.osx-white .osx-table thead th, .osx-paper .osx-table thead th {
  color: var(--ink3);
  background-image: linear-gradient(rgba(45,24,176,.08), rgba(45,24,176,.08)), var(--grad);
}
.osx-white .osx-table tbody tr:nth-child(even),
.osx-paper .osx-table tbody tr:nth-child(even) { background: rgba(45,24,176,.04); }
.osx-white .osx-table tbody tr:hover,
.osx-paper .osx-table tbody tr:hover { background: rgba(45,24,176,.07); }
.osx-white .osx-table td strong, .osx-paper .osx-table td strong { color: var(--ink3); }

/* Карточка Mermaid-диаграммы */
.osx-diagram {
  width: 100%; margin: 0; padding: 22px; border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(21,10,85,.55), rgba(12,6,64,.72));
  overflow: auto; -webkit-overflow-scrolling: touch;
}
.osx-diagram pre.mermaid {
  margin: 0; text-align: center; background: none; border: none; min-height: 40px;
  font-size: .9rem;
}
.osx-diagram pre.mermaid svg { max-width: 100%; height: auto; }
.osx-diagram-cap { margin: 14px 2px 0; font-size: .9rem; opacity: .75; line-height: 1.55; max-width: 90ch; }
.osx-white .osx-diagram, .osx-paper .osx-diagram { box-shadow: var(--shadow-2); }

/* Нумерованный таймлайн (онбординг / шаги) */
.osx-timeline { display: grid; gap: 0; width: 100%; margin-top: 8px; max-width: 820px; }
.osx-timeline-step { position: relative; padding: 0 0 26px 52px; }
.osx-timeline-step::before {
  content: ""; position: absolute; left: 16px; top: 8px; bottom: -6px; width: 2px; background: var(--line);
}
.osx-timeline-step:last-child { padding-bottom: 0; }
.osx-timeline-step:last-child::before { display: none; }
.osx-timeline-n {
  position: absolute; left: 0; top: 0; width: 34px; height: 34px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; font-size: .95rem; color: #fff;
  background: var(--grad); background-size: 180% 180%; z-index: 1;
}
.osx-timeline-step h4 { margin: 4px 0 6px; font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; }
.osx-timeline-step p { margin: 0; opacity: .82; font-size: .95rem; }
.osx-white .osx-timeline-step::before, .osx-paper .osx-timeline-step::before { background: var(--line-dark); }

/* Вопрос-ответ (тезисы для устной защиты) */
.osx-qa { display: grid; gap: 14px; width: 100%; }
.osx-qa-item {
  padding: 20px 22px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.05);
  transition: background .25s ease, transform .25s ease;
}
.osx-qa-item:hover { background: rgba(255,255,255,.08); transform: translateY(-3px); }
.osx-qa-q { margin: 0 0 8px; font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; }
.osx-qa-a { margin: 0; opacity: .85; font-size: .98rem; }
.osx-white .osx-qa-item, .osx-paper .osx-qa-item { background: #fff; border-color: var(--line-dark); box-shadow: var(--shadow-1); }

/* Блоки внутри секции документа — воздух между элементами */
.osx-doc-block { margin-top: 30px; }
.osx-doc-block:first-of-type { margin-top: 0; }

/* Адаптив для документа безопасности */
@media (max-width: 1080px) {
  .osx-layers { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 820px) {
  .osx-layers { grid-template-columns: repeat(2, 1fr); }
  .osx-doc-toc { top: 52px; }
  .osx-doc-section { scroll-margin-top: 104px; }
}
@media (max-width: 520px) {
  .osx-layers { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================
   КРАТКО О ПРОЕКТЕ — карточки-иконки
   ========================================================== */
.osx-ifeatures { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; width: 100%; }
.osx-ifeature {
  padding: 28px 24px; border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line-dark); box-shadow: var(--shadow-1);
  transition: transform .35s ease, box-shadow .35s ease;
}
.osx-ifeature:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.osx-ifeature-ic {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 16px; margin-bottom: 16px;
  background: var(--grad); background-size: 180% 180%; color: #fff;
}
.osx-ifeature-ic svg { width: 28px; height: 28px; }
.osx-ifeature h3 {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: 1.12rem; margin: 0 0 8px; letter-spacing: .01em;
}
.osx-ifeature p { margin: 0; opacity: .8; font-size: .94rem; }

/* ==========================================================
   ПЛАНИРОВКИ + ФОРМА
   ========================================================== */
.osx-plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; width: 100%; }
.osx-plan {
  display: flex; flex-direction: column; overflow: hidden;
  border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line-dark); box-shadow: var(--shadow-1);
  transition: transform .35s ease, box-shadow .35s ease;
}
.osx-plan:hover { transform: translateY(-8px); box-shadow: var(--shadow-2); }
.osx-plan-figure {
  position: relative; aspect-ratio: 3 / 4; overflow: hidden;
  border-bottom: 1px solid var(--line-dark); background: #eef1ff;
}
.osx-plan-figure img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
/* blueprint-заглушка (пока нет реального изображения планировки) */
.osx-plan-figure.is-fallback {
  background:
    linear-gradient(rgba(45,24,176,.07) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(90deg, rgba(45,24,176,.07) 1px, transparent 1px) 0 0 / 22px 22px,
    #eef1ff;
}
.osx-plan-scheme {
  display: none; position: absolute; inset: 0; margin: auto;
  width: 76%; height: 76%; color: var(--ink2);
}
.osx-plan-figure.is-fallback .osx-plan-scheme { display: block; }
.osx-plan-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: .68rem; letter-spacing: .06em; padding: 7px 12px; border-radius: 999px;
  color: #fff; background: var(--grad); box-shadow: var(--shadow-1);
}
.osx-plan-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.osx-plan-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.osx-plan-area { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; line-height: 1; }
.osx-plan-rooms { font-size: .84rem; opacity: .7; text-align: right; }
.osx-plan-specs { display: grid; gap: 6px; }
.osx-plan-specs li { position: relative; padding-left: 18px; font-size: .9rem; opacity: .82; }
.osx-plan-specs li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; border-radius: 3px; background: var(--grad); }
.osx-plan-price { font-weight: 800; color: var(--ink2); font-size: .95rem; }
.osx-plan-cta { margin-top: auto; width: 100%; }

/* ==========================================================
   ДОХОДНОСТЬ — инфографика сравнения (бары)
   ========================================================== */
.osx-compare { width: 100%; max-width: 760px; margin: 52px auto 0; position: relative; z-index: 2; }
.osx-compare-head {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  letter-spacing: .04em; font-size: 1rem; margin-bottom: 20px;
}
.osx-compare-head span { font-family: var(--font-body); font-weight: 600; text-transform: none; letter-spacing: 0; opacity: .55; font-size: .82rem; }
.osx-bars { display: grid; gap: 16px; }
.osx-bars li { display: grid; grid-template-columns: 210px 1fr auto; align-items: center; gap: 14px; }
.osx-bar-l { font-size: .92rem; opacity: .85; }
.osx-bar { height: 14px; border-radius: 999px; background: rgba(255,255,255,.1); overflow: hidden; }
.osx-bar i { display: block; height: 100%; width: 0; border-radius: 999px; background: rgba(255,255,255,.32); transition: width 1.1s cubic-bezier(.2,.7,.2,1); }
.osx-compare.is-reveal .osx-bar i { width: var(--v); }
.osx-bars li.is-accent .osx-bar i { background: var(--grad); background-size: 180% 180%; }
.osx-bars li b { font-family: var(--font-display); font-weight: 800; min-width: 74px; text-align: right; }

/* ==========================================================
   МОДАЛКА «УЗНАТЬ ЦЕНУ»
   ========================================================== */
.osx-modal {
  position: fixed; inset: 0; z-index: 95; display: none;
  align-items: center; justify-content: center; padding: 20px;
  background: rgba(8,4,40,.78);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.osx-modal.is-open { display: flex; }
body.osx-modal-open { overflow: hidden; }
.osx-modal-card {
  position: relative; width: 100%; max-width: 460px; max-height: 92vh; overflow-y: auto;
  background: linear-gradient(180deg, var(--ink3), var(--ink)); color: #fff;
  border: 1px solid var(--line); border-radius: 24px; padding: 32px 26px 26px;
  box-shadow: var(--shadow-2); animation: osxModalIn .3s cubic-bezier(.2,.7,.2,1);
}
@keyframes osxModalIn { from { opacity: 0; transform: translateY(24px) scale(.98); } to { opacity: 1; transform: none; } }
.osx-modal-close {
  position: absolute; top: 14px; right: 16px; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: rgba(255,255,255,.06); color: #fff;
  font-size: 1.6rem; line-height: 1; display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.osx-modal-close:hover { background: rgba(255,255,255,.16); }
.osx-modal-head { margin-bottom: 18px; }
.osx-modal-head h3 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: 1.5rem; margin: 12px 0 6px; line-height: 1; }
.osx-modal-source { margin: 0; opacity: .72; font-size: .9rem; }

/* Состояние ошибки поля формы */
.osx-input.is-invalid { border-color: #ff6b7d; background: rgba(255,107,125,.1); }

/* Адаптив новых блоков */
@media (max-width: 1080px) {
  .osx-plans { grid-template-columns: repeat(2, 1fr); }
  .osx-ifeatures { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .osx-plans { grid-template-columns: 1fr; }
  .osx-ifeatures { grid-template-columns: 1fr; }
  .osx-bars li {
    grid-template-columns: 1fr auto;
    grid-template-areas: "l l" "bar val";
    column-gap: 12px; row-gap: 6px;
  }
  .osx-bar-l { grid-area: l; }
  .osx-bar { grid-area: bar; }
  .osx-bars li b { grid-area: val; }
}

/* ==========================================================
   SEO-ПЕРЕЛИНКОВКА ТЕМ («подвал с темами») + страницы тем
   ========================================================== */
.osx-topics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; width: 100%; }
.osx-topic-link {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 20px 24px; border-radius: 16px; background: #fff;
  border: 1px solid var(--line-dark); box-shadow: var(--shadow-1);
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  letter-spacing: .01em; font-size: 1.02rem; color: var(--ink3); line-height: 1.15;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.osx-topic-link:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: transparent; }
.osx-topic-link i { font-style: normal; font-size: 1.3rem; color: var(--ink2); transition: transform .3s ease; flex: 0 0 auto; }
.osx-topic-link:hover i { transform: translateX(4px); }

/* Контентный блок SEO-текста на странице темы */
.osx-topic-body { display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: start; width: 100%; }
.osx-topic-points { display: grid; gap: 14px; align-content: start; }
.osx-topic-point {
  position: relative; padding: 18px 20px 18px 52px; border-radius: 16px;
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
  font-weight: 600;
}
.osx-white .osx-topic-point, .osx-paper .osx-topic-point { background: #fff; border-color: var(--line-dark); box-shadow: var(--shadow-1); }
.osx-topic-point::before {
  content: "\2713"; position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 800; color: #fff; background: var(--grad); background-size: 180% 180%;
}

@media (max-width: 1080px) { .osx-topics { grid-template-columns: 1fr; } }
@media (max-width: 820px) { .osx-topic-body { grid-template-columns: 1fr; gap: 28px; } }