/* ============================================================
   Code Breakers — design system
   Читабельна інженерна типографіка, стримані форми, адаптив.
   ============================================================ */

:root {
  --ink: #0d1016;
  --ink-2: #1b2230;
  --muted: #5b6677;
  --muted-2: #8a94a6;
  --line: #e7eaf0;
  --line-2: #eef1f6;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #fbfcfe;

  --brand: #2f6bff;
  --brand-2: #7c5cff;
  --brand-3: #00b3ff;
  --accent: #ff5b7f;
  --gold: #f4b740;
  --ok: #18b06b;
  --bad: #e23b4a;

  --grad: linear-gradient(120deg, #2f6bff 0%, #7c5cff 50%, #00b3ff 100%);
  --grad-soft: linear-gradient(120deg, rgba(47,107,255,.12), rgba(124,92,255,.12));
  --grad-ink: radial-gradient(120% 120% at 0% 0%, #1b2440 0%, #0d1016 55%, #090b10 100%);

  --r-sm: 6px;
  --r: 8px;
  --r-lg: 8px;
  --r-xl: 8px;
  --r-pill: 999px;

  --sh-1: 0 1px 2px rgba(13,16,22,.05), 0 2px 8px rgba(13,16,22,.04);
  --sh-2: 0 10px 30px -12px rgba(13,16,22,.18);
  --sh-3: 0 28px 70px -28px rgba(20,30,60,.40);
  --sh-glow: 0 20px 60px -22px rgba(47,107,255,.55);

  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --t: .28s var(--ease);
  --container: 1200px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }

h1, h2, h3, h4 { margin: 0; line-height: 1.08; letter-spacing: 0; font-weight: 760; text-wrap: balance; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
::selection { background: rgba(47,107,255,.18); }
:focus-visible { outline: 3px solid rgba(47,107,255,.45); outline-offset: 3px; border-radius: 8px; }

.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }

.skip-link {
  position: fixed; left: 16px; top: -120px; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: var(--r-sm); transition: top var(--t);
}
.skip-link:focus { top: 16px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 780; letter-spacing: .08em; text-transform: uppercase; color: var(--brand);
}
.eyebrow::before { content: ""; width: 18px; height: 2px; border-radius: 2px; background: var(--grad); }
.eyebrow.on-dark { color: #9fc0ff; }
.gradient-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.muted { color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
  --pad: 14px 22px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: var(--pad); border: 0; border-radius: var(--r-pill);
  font-weight: 760; font-size: .98rem;
  transition: transform var(--t), box-shadow var(--t), background var(--t), color var(--t), border-color var(--t);
  will-change: transform; white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { color: #fff; background: var(--grad); background-size: 160% 160%; box-shadow: var(--sh-glow); }
.btn-primary:hover { transform: translateY(-2px); background-position: 100% 0; box-shadow: 0 26px 70px -20px rgba(47,107,255,.7); }
.btn-ghost { background: rgba(255,255,255,.7); color: var(--ink); border: 1px solid var(--line); box-shadow: var(--sh-1); backdrop-filter: blur(8px); }
.btn-ghost:hover { transform: translateY(-2px); border-color: rgba(47,107,255,.4); box-shadow: var(--sh-2); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { transform: translateY(-2px); box-shadow: var(--sh-2); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--sh-2); }
.btn-sm { --pad: 10px 16px; font-size: .9rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; transition: background var(--t), box-shadow var(--t), border-color var(--t); border-bottom: 1px solid transparent; }
.site-header.is-stuck { background: rgba(246,247,251,.78); backdrop-filter: saturate(180%) blur(16px); border-bottom-color: var(--line); box-shadow: 0 6px 24px -18px rgba(13,16,22,.4); }
.header-inner { display: flex; align-items: center; gap: 18px; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 830; font-size: 1.16rem; line-height: 1; }
.brand .logo-mark {
  width: 40px; height: 40px; border-radius: 8px;
  display: grid; place-items: center;
  background: #0d1016 url("/assets/favicon.svg") center / 100% 100% no-repeat;
  color: #fff; box-shadow: var(--sh-2);
  position: relative; overflow: hidden;
}
.nav-desktop { display: flex; align-items: center; gap: 4px; margin-left: 10px; }
.nav-desktop a { padding: 9px 14px; border-radius: var(--r-pill); font-weight: 600; color: var(--ink-2); transition: color var(--t), background var(--t); }
.nav-desktop a:hover { color: var(--brand); background: rgba(47,107,255,.08); }
.header-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.burger { margin-left: auto; display: none; width: 46px; height: 46px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--sh-1); position: relative; }
.burger span { position: absolute; left: 12px; right: 12px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform var(--t), opacity var(--t); }
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 28px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-drawer { position: fixed; inset: 0 0 0 auto; width: min(82vw, 340px); z-index: 120; background: var(--surface); box-shadow: var(--sh-3); transform: translateX(110%); transition: transform .4s var(--ease); padding: 88px 22px 28px; display: flex; flex-direction: column; gap: 6px; }
.mobile-drawer.is-open { transform: translateX(0); }
.mobile-drawer a { padding: 14px 16px; border-radius: var(--r); font-weight: 600; font-size: 1.08rem; transition: background var(--t); }
.mobile-drawer a:hover { background: var(--grad-soft); }
.drawer-scrim { position: fixed; inset: 0; z-index: 110; background: rgba(8,10,16,.5); opacity: 0; visibility: hidden; transition: opacity var(--t), visibility var(--t); backdrop-filter: blur(3px); }
.drawer-scrim.is-open { opacity: 1; visibility: visible; }

/* ---------- Section scaffolding ---------- */
.section { padding: clamp(56px, 8vw, 110px) 0; }
.section-head { max-width: 720px; margin-bottom: clamp(28px, 4vw, 52px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: 2.8rem; margin: 14px 0 14px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; overflow: clip; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -2; background: var(--grad-ink); }
.hero-bg::before { content: ""; position: absolute; inset: 0; background-image: url("/assets/hero-lab.png"); background-size: cover; background-position: center; opacity: .26; mix-blend-mode: luminosity; }
.hero-glow { position: absolute; z-index: -1; filter: blur(70px); border-radius: 50%; opacity: .55; }
.hero-glow.g1 { width: 540px; height: 540px; top: -160px; right: -120px; background: radial-gradient(circle, #2f6bff, transparent 65%); }
.hero-glow.g2 { width: 460px; height: 460px; bottom: -200px; left: -120px; background: radial-gradient(circle, #7c5cff, transparent 65%); }
.hero-glow.g3 { width: 360px; height: 360px; top: 30%; left: 45%; background: radial-gradient(circle, #00b3ff, transparent 65%); opacity: .35; }
.hero-inner { display: grid; gap: clamp(34px, 5vw, 60px); padding: clamp(70px, 11vw, 150px) 0 clamp(50px, 7vw, 90px); }
.hero-badge { display: inline-flex; align-items: center; gap: 10px; align-self: start; padding: 8px 16px; border-radius: var(--r-pill); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); font-size: .85rem; font-weight: 600; backdrop-filter: blur(6px); }
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #5dffa0; box-shadow: 0 0 0 4px rgba(93,255,160,.2); }
.hero-badge.is-paused { color: #ffe7a8; background: rgba(244,183,64,.1); border-color: rgba(244,183,64,.32); }
.hero-badge.is-paused .dot { background: var(--gold); box-shadow: 0 0 0 4px rgba(244,183,64,.18); }
.hero h1 { font-size: 5rem; letter-spacing: 0; line-height: 1.02; margin: 22px 0; max-width: 880px; }
.hero h1 .gradient-text { background: linear-gradient(120deg, #9fc0ff, #d6c5ff, #8be7ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { max-width: 650px; font-size: 1.18rem; color: #c7d0e0; }
.hero-notice {
  max-width: 780px;
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: var(--r);
  color: #f5f8ff;
  background: rgba(255,255,255,.075);
  border: 1px solid rgba(244,183,64,.34);
  box-shadow: inset 4px 0 0 rgba(244,183,64,.92), var(--sh-1);
  backdrop-filter: blur(10px);
}
.hero-notice strong { display: block; margin-bottom: 6px; font-size: .98rem; color: #ffe7a8; }
.hero-notice p { color: #d8deea; font-size: .94rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 14px; }
.hero-stat { padding: 20px; border-radius: var(--r-lg); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(10px); transition: transform var(--t), background var(--t); }
.hero-stat:hover { transform: translateY(-4px); background: rgba(255,255,255,.1); }
.hero-stat dt { font-size: 2.15rem; font-weight: 820; letter-spacing: 0; }
.hero-stat dd { margin: 4px 0 0; color: #b6c0d4; font-size: .92rem; }

/* Tech marquee */
.marquee { border-block: 1px solid rgba(255,255,255,.1); background: rgba(8,10,16,.4); overflow: hidden; }
.marquee-track { display: flex; gap: 48px; padding: 16px 0; width: max-content; animation: marquee 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { color: #93a0b8; font-weight: 700; letter-spacing: .04em; white-space: nowrap; font-size: .95rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Intro strip ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.value-card { padding: 26px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-1); transition: transform var(--t), box-shadow var(--t); }
.value-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); }
.value-ic { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-soft); color: var(--brand); font-size: 1.4rem; font-weight: 800; margin-bottom: 14px; }
.value-card h3 { font-size: 1.12rem; margin-bottom: 6px; }
.value-card p { color: var(--muted); font-size: .95rem; }

/* ---------- Courses ---------- */
.courses-toolbar { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.search-box { position: relative; flex: 1 1 280px; max-width: 380px; }
.search-box input { width: 100%; padding: 13px 16px 13px 44px; border-radius: var(--r-pill); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--sh-1); transition: border-color var(--t), box-shadow var(--t); }
.search-box input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(47,107,255,.14); }
.search-box::before { content: "⌕"; position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--muted-2); font-size: 1.2rem; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-chip { padding: 9px 16px; border-radius: var(--r-pill); border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); font-weight: 600; font-size: .9rem; transition: all var(--t); }
.filter-chip:hover { border-color: rgba(47,107,255,.4); color: var(--brand); }
.filter-chip.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }

.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.course-card { position: relative; display: flex; flex-direction: column; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-1); overflow: hidden; transition: transform var(--t), box-shadow var(--t), border-color var(--t); animation: cardIn .5s var(--ease) both; }
.course-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.course-card:hover { transform: translateY(-6px); box-shadow: var(--sh-3); border-color: transparent; }
.course-card:hover::before { transform: scaleX(1); }
@keyframes cardIn { from { opacity: 0; transform: translateY(16px); } }
.course-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.course-cat { font-size: .74rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--brand); padding: 5px 10px; border-radius: var(--r-pill); background: var(--grad-soft); }
.course-level { font-size: .78rem; font-weight: 700; color: var(--muted); }
.course-card h3 { font-size: 1.18rem; margin-bottom: 8px; }
.course-blurb { color: var(--muted); font-size: .95rem; flex: 1; }
.course-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 16px 0; font-size: .85rem; color: var(--ink-2); font-weight: 600; }
.course-meta span { display: inline-flex; align-items: center; gap: 5px; }
.course-stack { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.course-stack .tech-chip { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; font-size: .76rem; font-weight: 700; color: var(--ink-2); padding: 5px 9px; border-radius: var(--r-pill); background: var(--surface-2); border: 1px solid var(--line); }
.course-stack .tech-chip img { width: 16px; height: 16px; object-fit: contain; flex: none; }
.course-stack .tech-chip span { line-height: 1; }
.modal .course-stack { gap: 9px; margin-bottom: 0; }
.modal .course-stack .tech-chip { padding: 7px 10px; background: #fff; }
.course-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line-2); }
.course-price { font-weight: 800; font-size: 1.05rem; }
.course-price small { display: block; font-size: .72rem; color: var(--muted); font-weight: 600; }
.no-results { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 50px 0; }

/* ---------- Course modal ---------- */
.modal-scrim { position: fixed; inset: 0; z-index: 200; background: rgba(8,10,16,.6); backdrop-filter: blur(6px); display: grid; place-items: center; padding: 20px; opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s; }
.modal-scrim.is-open { opacity: 1; visibility: visible; }
.modal { width: min(720px, 100%); max-height: 90vh; overflow-y: auto; background: var(--surface); border-radius: var(--r-xl); box-shadow: var(--sh-3); transform: translateY(20px) scale(.98); transition: transform .35s var(--ease); }
.modal-scrim.is-open .modal { transform: none; }
.modal-hd { position: relative; padding: 30px clamp(24px, 4vw, 40px) 24px; color: #fff; background: var(--grad-ink); border-radius: var(--r-xl) var(--r-xl) 0 0; overflow: hidden; }
.modal-hd::after { content: ""; position: absolute; width: 300px; height: 300px; top: -150px; right: -80px; border-radius: 50%; background: radial-gradient(circle, rgba(47,107,255,.6), transparent 65%); }
.modal-hd .course-cat { background: rgba(255,255,255,.14); color: #cfe0ff; }
.modal-hd h2 { font-size: 2rem; margin: 14px 0 8px; position: relative; }
.modal-hd p { color: #c7d0e0; position: relative; }
.modal-close { position: absolute; top: 18px; right: 18px; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgba(255,255,255,.14); color: #fff; font-size: 1.4rem; line-height: 1; display: grid; place-items: center; transition: background var(--t), transform var(--t); z-index: 2; }
.modal-close:hover { background: rgba(255,255,255,.28); transform: rotate(90deg); }
.modal-body { padding: clamp(24px, 4vw, 40px); display: grid; gap: 26px; }
.modal-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.modal-fact { padding: 14px; border-radius: var(--r); background: var(--surface-2); border: 1px solid var(--line); text-align: center; }
.modal-fact strong { display: block; font-size: 1.1rem; }
.modal-fact span { font-size: .78rem; color: var(--muted); }
.modal h4 { font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); margin-bottom: 12px; }
.modal-list { display: grid; gap: 10px; }
.modal-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink-2); }
.modal-list li::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 3px; border-radius: 50%; background: var(--grad-soft); position: relative; }
.modal-list.check li::before { content: "✓"; color: var(--brand); font-weight: 800; font-size: .7rem; display: grid; place-items: center; }
.modal-careers { display: grid; gap: 10px; }
.career-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-radius: var(--r); border: 1px solid var(--line); background: var(--surface-2); }
.career-row b { font-weight: 700; }
.career-salary { font-weight: 800; color: var(--ok); white-space: nowrap; }
.modal-foot { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding-top: 6px; }

/* ---------- Formats / Features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { padding: 32px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--sh-1); transition: transform var(--t), box-shadow var(--t); }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); }
.feature-num { font-size: 2.4rem; font-weight: 800; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.feature-card h3 { font-size: 1.25rem; margin: 16px 0 8px; }
.feature-card p { color: var(--muted); }

/* ---------- Placement (працевлаштування) ---------- */
.placement { color: #fff; position: relative; overflow: clip; isolation: isolate; }
.placement-bg { position: absolute; inset: 0; z-index: -1; background: var(--grad-ink); }
.placement-bg::after { content: ""; position: absolute; width: 520px; height: 520px; bottom: -200px; right: -120px; border-radius: 50%; background: radial-gradient(circle, rgba(124,92,255,.5), transparent 65%); filter: blur(40px); }
.placement .section-head h2 { color: #fff; }
.placement .section-head p { color: #c0cadd; }
.place-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 44px; }
.place-stat { padding: 26px; border-radius: var(--r-lg); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(8px); }
.place-stat dt { font-size: 2.75rem; font-weight: 820; background: linear-gradient(120deg, #9fc0ff, #8be7ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.place-stat dd { margin: 6px 0 0; color: #b6c0d4; font-size: .92rem; }
.place-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.place-steps { display: grid; gap: 14px; }
.place-step { display: flex; gap: 16px; padding: 20px; border-radius: var(--r-lg); background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); transition: background var(--t), transform var(--t); }
.place-step:hover { background: rgba(255,255,255,.09); transform: translateX(4px); }
.place-step .n { flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; background: var(--grad); }
.place-step h4 { font-size: 1.05rem; margin-bottom: 4px; color: #fff; }
.place-step p { color: #b6c0d4; font-size: .92rem; }
.salary-card { padding: 28px; border-radius: var(--r-lg); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); }
.salary-card h3 { color: #fff; margin-bottom: 6px; }
.salary-card > p { color: #b6c0d4; font-size: .9rem; margin-bottom: 18px; }
.salary-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.salary-row:last-child { border-bottom: 0; }
.salary-row span { color: #d4dbe9; font-weight: 600; }
.salary-row b { color: #8be7ff; font-weight: 800; }
.partners { display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 12px; margin-top: 40px; }
.partner-logo { min-height: 76px; padding: 16px 22px; border-radius: 8px; background: rgba(255,255,255,.96); border: 1px solid rgba(255,255,255,.16); box-shadow: 0 16px 38px rgba(0,0,0,.18); display: grid; place-items: center; transition: transform var(--t), box-shadow var(--t), background var(--t); }
.partner-logo:hover { transform: translateY(-3px); box-shadow: 0 20px 48px rgba(0,0,0,.24); background: #fff; }
.partner-logo img { display: block; width: 100%; max-width: 132px; max-height: 36px; object-fit: contain; }
.partner-logo-wide img { max-width: 170px; max-height: 38px; }

/* ---------- Certificate showcase ---------- */
.cert-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 60px); align-items: center; }
.cert-points { display: grid; gap: 14px; margin-top: 22px; }
.cert-points li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-2); }
.cert-points li b { color: var(--ink); }
.cert-points .ic { flex: none; width: 28px; height: 28px; border-radius: 9px; background: var(--grad-soft); color: var(--brand); display: grid; place-items: center; font-weight: 800; }
.cert-stage { perspective: 1400px; }
.cert-card { position: relative; aspect-ratio: 1.414 / 1; border-radius: var(--r-lg); background:
  radial-gradient(circle at 78% 24%, rgba(47,107,255,.08), transparent 30%),
  linear-gradient(145deg, #fdfcf8, #eef1f7); border: 1px solid var(--line); box-shadow: var(--sh-3); padding: 30px; transform: rotateY(-10deg) rotateX(4deg); transition: transform .6s var(--ease); transform-style: preserve-3d; overflow: hidden; }
.cert-stage:hover .cert-card { transform: rotateY(0) rotateX(0); }
.cert-top { display: flex; align-items: center; gap: 10px; }
.cert-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 8px; background: var(--grad); }
.cert-card::after { content: ""; position: absolute; inset: 12px; border: 1.5px solid rgba(13,16,22,.12); border-radius: 6px; pointer-events: none; }
.cert-mark { width: 42px; height: 42px; border-radius: 8px; background: #0d1016 url("/assets/favicon.svg") center / cover no-repeat; color: transparent; display: grid; place-items: center; font-weight: 800; }
.cert-brand { font-weight: 830; letter-spacing: 0; }
.cert-brand small { display: block; font-size: .64rem; color: var(--muted); font-weight: 650; letter-spacing: .03em; }
.cert-title { text-align: center; margin-top: clamp(10px, 2vw, 20px); }
.cert-title .lbl { font-size: 1.9rem; font-weight: 840; letter-spacing: .08em; }
.cert-title .sub { font-size: .68rem; color: var(--muted); letter-spacing: .04em; }
.cert-name { text-align: center; font-size: 1.48rem; font-weight: 830; margin-top: 14px; padding-bottom: 8px; border-bottom: 1.5px solid rgba(13,16,22,.14); }
.cert-meta { text-align: center; font-size: .66rem; color: var(--muted); margin-top: 8px; }
.cert-badges { position: absolute; bottom: clamp(14px, 2.5vw, 26px); left: 0; right: 0; display: flex; align-items: flex-end; justify-content: space-between; padding-inline: clamp(18px, 3vw, 32px); }
.cert-stamp { width: clamp(46px, 8vw, 70px); aspect-ratio: 1; border-radius: 50%; border: 2px solid rgba(226,59,74,.7); color: #c0303c; display: grid; place-items: center; font-size: .54rem; font-weight: 800; text-align: center; line-height: 1.15; transform: rotate(-12deg); }
.cert-qr { width: clamp(42px, 7vw, 60px); aspect-ratio: 1; border-radius: 8px; background:
  repeating-conic-gradient(#0d1016 0% 25%, #fff 0% 50%) 0 0 / 12px 12px; opacity: .85; }
.cert-holo { width: clamp(40px, 7vw, 56px); aspect-ratio: 1; border-radius: 50%; background: conic-gradient(from 0deg, #ff5b7f, #f4b740, #18b06b, #00b3ff, #7c5cff, #ff5b7f); opacity: .85; display: grid; place-items: center; color: #fff; font-weight: 800; font-size: .6rem; box-shadow: inset 0 0 12px rgba(255,255,255,.6); }

/* ---------- Scholarship / pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.price-card { display: flex; flex-direction: column; padding: 30px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--sh-1); transition: transform var(--t), box-shadow var(--t); }
.price-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); }
.price-card.is-featured { background: var(--grad-ink); color: #fff; border-color: transparent; box-shadow: var(--sh-3); }
.price-card.is-featured .muted, .price-card.is-featured p { color: #c0cadd; }
.price-tag-badge { align-self: start; padding: 5px 12px; border-radius: var(--r-pill); font-size: .76rem; font-weight: 800; letter-spacing: .04em; background: var(--grad-soft); color: var(--brand); margin-bottom: 14px; }
.price-card.is-featured .price-tag-badge { background: rgba(255,255,255,.16); color: #cfe0ff; }
.price-card h3 { font-size: 1.3rem; }
.price-amount { font-size: 2rem; font-weight: 800; margin: 10px 0; }
.price-list { display: grid; gap: 10px; margin: 18px 0 24px; }
.price-list li { display: flex; gap: 10px; font-size: .94rem; }
.price-list li::before { content: "✓"; color: var(--ok); font-weight: 800; }
.price-card.is-featured .price-list li::before { color: #7dffb0; }
.price-card .btn { margin-top: auto; }

/* ---------- Contact ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 5vw, 56px); align-items: start; }
.contact-info { display: grid; gap: 18px; margin-top: 22px; }
.contact-line { display: flex; gap: 14px; align-items: center; }
.contact-line .ic { flex: none; width: 46px; height: 46px; border-radius: 13px; background: var(--grad-soft); color: var(--brand); display: grid; place-items: center; font-size: 1.2rem; }
.contact-line b { display: block; }
.contact-line span { color: var(--muted); font-size: .9rem; }
.form { display: grid; gap: 16px; padding: clamp(24px, 3vw, 34px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl); box-shadow: var(--sh-2); }
.field { display: grid; gap: 7px; font-weight: 600; font-size: .92rem; }
.field input, .field select, .field textarea { padding: 13px 15px; border-radius: var(--r); border: 1px solid var(--line); background: var(--surface-2); transition: border-color var(--t), box-shadow var(--t), background var(--t); font-weight: 500; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 4px rgba(47,107,255,.14); }
.field textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; font-size: .9rem; color: var(--muted); }
.check input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--brand); }
.form-status { font-size: .9rem; font-weight: 600; min-height: 1.2em; }
.form-status.is-error { color: var(--bad); }
.form-status.is-success { color: var(--ok); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #c4cde0; padding: clamp(50px, 7vw, 80px) 0 30px; margin-top: 20px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { color: #93a0b8; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; color: #93a0b8; padding: 5px 0; transition: color var(--t); font-size: .94rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding-top: 26px; color: #74819a; font-size: .86rem; }
.footer-bottom a { color: #93a0b8; }
.footer-bottom a:hover { color: #fff; }

/* ---------- Cookie banner ---------- */
.cookie-banner { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 150; width: min(720px, calc(100% - 32px)); display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; padding: 16px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-3); }
.cookie-banner p { color: var(--muted); font-size: .9rem; flex: 1 1 320px; }

/* ---------- Verify view ---------- */
.verify-view { min-height: 100vh; display: grid; place-items: center; padding: 40px 20px; background: var(--grad-ink); }
.verify-card { width: min(560px, 100%); background: var(--surface); border-radius: var(--r-xl); box-shadow: var(--sh-3); padding: clamp(28px, 4vw, 44px); text-align: center; }
.verify-card .logo-mark { width: 56px; height: 56px; margin: 0 auto 18px; font-size: 1.2rem; border-radius: 8px; }
.verify-card h1 { font-size: 1.9rem; margin: 8px 0 18px; }
.verify-badge { display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border-radius: var(--r-pill); font-weight: 800; background: rgba(24,176,107,.12); color: var(--ok); margin-bottom: 22px; }
.verify-badge::before { content: "✓"; }
.verify-badge.is-error { background: rgba(226,59,74,.12); color: var(--bad); }
.verify-badge.is-error::before { content: "!"; }
.verify-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; text-align: left; margin-bottom: 22px; }
.verify-facts > div { padding: 12px 14px; border-radius: var(--r); background: var(--surface-2); border: 1px solid var(--line); }
.verify-facts dt { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.verify-facts dd { margin: 4px 0 0; font-weight: 700; }
.certificate-links { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.certificate-links a { padding: 11px 18px; border-radius: var(--r-pill); font-weight: 700; background: var(--surface-2); border: 1px solid var(--line); transition: all var(--t); }
.certificate-links a:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }

/* ============================================================
   Адмінка (admin.html) — окрема прихована сторінка
   ============================================================ */
.admin-page { min-height: 100vh; background:
  radial-gradient(120% 80% at 100% 0%, rgba(124,92,255,.12), transparent 60%),
  radial-gradient(120% 80% at 0% 100%, rgba(47,107,255,.1), transparent 60%), var(--bg); }
.admin-bar { display: flex; align-items: center; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.7); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 50; }
.admin-bar .brand { font-size: 1.05rem; }
.admin-tag { padding: 4px 11px; border-radius: var(--r-pill); background: var(--grad-soft); color: var(--brand); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.admin-bar .spacer { margin-left: auto; }

/* Gate */
.admin-gate { min-height: calc(100vh - 70px); display: grid; place-items: center; padding: 30px 20px; }
.gate-card { width: min(420px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl); box-shadow: var(--sh-3); padding: clamp(28px, 4vw, 40px); text-align: center; }
.gate-card .logo-mark { width: 58px; height: 58px; border-radius: 8px; margin: 0 auto 18px; font-size: 1.2rem; }
.gate-card h1 { font-size: 1.6rem; margin-bottom: 6px; }
.gate-card > p { color: var(--muted); margin-bottom: 22px; }
.gate-card .field { text-align: left; margin-bottom: 16px; }
.gate-hint { margin-top: 16px; font-size: .82rem; color: var(--muted-2); }
.gate-hint code { font-family: var(--font-mono); background: var(--surface-2); padding: 2px 7px; border-radius: 6px; }

/* Panel */
.admin-shell { display: none; padding: clamp(24px, 4vw, 40px) 0 80px; }
.admin-shell.is-active { display: block; }
.admin-head { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; justify-content: space-between; margin-bottom: 26px; }
.admin-head h1 { font-size: 2.15rem; }
.admin-head p { color: var(--muted); margin-top: 6px; }
.admin-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 24px; align-items: start; }
.admin-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl); box-shadow: var(--sh-2); padding: clamp(22px, 3vw, 32px); }
.admin-card h2 { font-size: 1.2rem; margin-bottom: 4px; }
.admin-card .sub { color: var(--muted); font-size: .9rem; margin-bottom: 20px; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.text-editor {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface-2);
  padding: 14px;
}
.text-editor summary,
.signature-editor summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--ink);
}
.text-editor[open] summary,
.signature-editor[open] summary {
  margin-bottom: 14px;
}
.text-editor .field-row,
.text-editor .field {
  margin-bottom: 12px;
}
.text-editor .field:last-child,
.text-editor .field-row:last-child {
  margin-bottom: 0;
}
.signature-editor {
  border: 1px solid rgba(47,107,255,.22);
  border-radius: var(--r);
  background: linear-gradient(180deg, #f8fbff, #f4f7fc);
  padding: 14px;
}
.signature-editor > .field { margin-bottom: 12px; }
.signature-workbench { display: grid; grid-template-columns: minmax(220px, .7fr) 1fr; gap: 14px; align-items: stretch; }
.signature-preview {
  min-height: 122px;
  display: grid;
  place-items: center;
  padding: 12px;
  border-radius: var(--r);
  border: 1px dashed #c5d2e8;
  background:
    linear-gradient(#fff, #fff) padding-box,
    repeating-linear-gradient(0deg, rgba(47,107,255,.06) 0 1px, transparent 1px 18px);
  overflow: hidden;
}
.signature-preview span { color: var(--muted-2); font-size: .86rem; text-align: center; }
.signature-preview svg,
.signature-preview img { width: 100%; max-width: 300px; max-height: 96px; display: block; }
.signature-controls { display: grid; align-content: start; gap: 12px; }
.signature-pad {
  position: relative;
  min-height: 138px;
  border-radius: var(--r);
  border: 1px solid #c7d4e8;
  background:
    linear-gradient(#fff, #fff) padding-box,
    repeating-linear-gradient(0deg, rgba(20,61,122,.08) 0 1px, transparent 1px 28px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9);
  overflow: hidden;
}
.signature-pad::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 31px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(20,61,122,.26) 12%, rgba(20,61,122,.26) 88%, transparent);
  pointer-events: none;
}
.signature-pad canvas {
  display: block;
  width: 100%;
  height: 138px;
  cursor: crosshair;
  touch-action: none;
}
.signature-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.file-btn { position: relative; overflow: hidden; cursor: pointer; }
.file-btn input { position: absolute; inset: 0; opacity: 0; pointer-events: none; }
.signature-library { display: grid; grid-template-columns: repeat(auto-fill, minmax(178px, 1fr)); gap: 10px; margin-top: 12px; }
.signature-tile { display: grid; gap: 8px; padding: 10px; border-radius: 10px; border: 1px solid var(--line); background: #fff; text-align: left; }
.signature-tile.is-active { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(47,107,255,.12); }
.signature-tile b { font-size: .82rem; }
.signature-tile .signature-mini { height: 48px; display: grid; place-items: center; border-radius: 8px; background: #f7f9fc; overflow: hidden; }
.signature-tile svg,
.signature-tile img { max-width: 100%; max-height: 44px; }
.signature-tile .row { display: flex; gap: 6px; flex-wrap: wrap; }
.signature-tile .row button { flex: 1 1 auto; }

/* live cert preview in admin */
.admin-preview { position: sticky; top: 90px; }
.admin-preview .cert-stage { perspective: none; }
.admin-preview .cert-card { transform: none; }
.admin-preview .cert-card[data-template="classic"] {
  background: linear-gradient(145deg, #fffaf0, #f2ead8);
}
.admin-preview .cert-card[data-template="classic"]::before {
  background: #b99136;
}
.admin-preview .cert-card[data-template="classic"]::after {
  border-color: rgba(185,145,54,.45);
}
.admin-preview .cert-card[data-template="minimal"] {
  background: linear-gradient(90deg, #f3f6fb 0 22%, #ffffff 22%);
}
.admin-preview .cert-card[data-template="minimal"]::before {
  background: var(--brand);
}
.admin-preview .cert-card[data-template="dark"] {
  background: radial-gradient(circle at 80% 20%, rgba(104,225,255,.14), transparent 28%), #0d1016;
  color: #f8fbff;
}
.admin-preview .cert-card[data-template="dark"] .cert-brand small,
.admin-preview .cert-card[data-template="dark"] .cert-title .sub,
.admin-preview .cert-card[data-template="dark"] .cert-meta {
  color: #b8c4d8;
}
.admin-preview .cert-card[data-template="dark"] .cert-name {
  border-color: rgba(255,255,255,.2);
}
.admin-preview .cert-card[data-template="academic"] {
  background: linear-gradient(180deg, #eaf0fb 0 22%, #f7f9fc 22%);
}
.admin-preview .cert-card[data-template="academic"]::before {
  background: #1f4fd8;
}

.cert-list { display: grid; gap: 12px; max-height: 420px; overflow-y: auto; padding-right: 4px; }
.cert-item { padding: 16px; border-radius: var(--r); border: 1px solid var(--line); background: var(--surface-2); transition: border-color var(--t), transform var(--t); }
.cert-item:hover { border-color: rgba(47,107,255,.4); transform: translateX(3px); }
.cert-item strong { display: block; }
.cert-item p { color: var(--muted); font-size: .86rem; margin: 4px 0 10px; }
.cert-item .row { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-item .row a { font-size: .82rem; font-weight: 700; padding: 7px 12px; border-radius: var(--r-pill); background: #fff; border: 1px solid var(--line); transition: all var(--t); }
.cert-item .row a:hover { color: var(--brand); border-color: var(--brand); }

/* ============================================================
   Адаптив
   ============================================================ */
@media (max-width: 1080px) {
  .hero h1 { font-size: 4.25rem; }
  .section-head h2,
  .h2-lg { font-size: 2.45rem; }
  .place-stat dt { font-size: 2.35rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .place-stats { grid-template-columns: repeat(2, 1fr); }
  .partners { grid-template-columns: repeat(2, minmax(150px, 1fr)); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-preview { position: static; }
}
@media (max-width: 900px) {
  .hero h1 { font-size: 3.65rem; }
  .hero-lead { font-size: 1.1rem; }
  .modal-hd h2 { font-size: 1.75rem; }
  .nav-desktop { display: none; }
  .header-cta .btn:not(.burger) { display: none; }
  .burger { display: block; }
  .feature-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .cert-layout { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .place-cols { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, var(--container)); }
  .hero h1 { font-size: 2.75rem; }
  .section-head h2,
  .h2-lg { font-size: 2rem; }
  .hero-stat dt { font-size: 1.8rem; }
  .place-stat dt { font-size: 2rem; }
  .cert-title .lbl { font-size: 1.55rem; }
  .cert-name { font-size: 1.2rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .value-grid { grid-template-columns: 1fr; }
  .place-stats { grid-template-columns: 1fr 1fr; }
  .partners { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .partner-logo { min-height: 68px; padding: 14px 16px; }
  .partner-logo img { max-width: 118px; max-height: 32px; }
  .partner-logo-wide img { max-width: 142px; max-height: 34px; }
  .modal-facts { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .signature-workbench { grid-template-columns: 1fr; }
  .verify-facts { grid-template-columns: 1fr; }
  .courses-toolbar { flex-direction: column; align-items: stretch; }
  .search-box { max-width: none; }
}
@media (max-width: 420px) {
  .hero-stats { grid-template-columns: 1fr; }
  .place-stats { grid-template-columns: 1fr; }
  .partners { grid-template-columns: 1fr; }
}

/* ---------- Utilities (CSP-safe, no inline styles) ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.bg-surface { background: var(--surface); }
.eyebrow.center, .section-head.center .eyebrow, .verify-card .eyebrow { justify-content: center; }
.btn-ghost.on-dark { color: #fff; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); box-shadow: none; }
.btn-ghost.on-dark:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.3); }
.h2-lg { font-size: 2.8rem; margin: 14px 0; }
.course-count { margin-bottom: 16px; }

/* ---------- noscript ---------- */
.noscript-bar { background: var(--gold); color: #2a2000; text-align: center; padding: 12px 16px; font-weight: 700; }