/* K&S Studio — стиль K&S Mods: швейцарский брутализм, Space Grotesk + JetBrains Mono, #42FF00 */
:root {
  --bg: #ffffff;
  --bg-alt: #f0f0ec;
  --ink: #000000;
  --muted: #555550;
  --line: #000000;
  --accent: #42ff00;
  --accent-dark: #17a300;
  --gap: 24px;
  --measure: 34rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1280px; margin-inline: auto; padding-inline: 24px; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gap); align-items: center; }

.mono {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.14em;
}

h1, h2 {
  font-weight: 700; text-transform: uppercase;
  letter-spacing: -0.02em; line-height: 0.95;
}
h1 { font-size: clamp(52px, 8.6vw, 124px); }
h2 { font-size: clamp(36px, 5vw, 72px); margin-bottom: 8px; }
h1 em, h2 em {
  font-style: normal; color: var(--accent);
  text-shadow: 0.035em 0.035em 0 var(--accent-dark);
}
.sub { color: var(--ink); max-width: var(--measure); font-size: 18px; }
.sub b { font-weight: 700; }

a { color: inherit; }

/* Навбар: белый, жёсткий, с чёрной линией */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.logo { font-weight: 700; font-size: 20px; text-decoration: none; padding-block: 6px; letter-spacing: -0.01em; }
.logo .v { font-family: "JetBrains Mono", monospace; font-size: 10px; font-weight: 400; color: var(--muted); margin-left: 6px; vertical-align: super; }
.nav-links { display: flex; gap: 26px; }
.nav-links a {
  text-decoration: none; color: var(--ink);
  font-family: "JetBrains Mono", monospace; font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.14em; padding-block: 10px;
}
.nav-links a:hover { color: var(--accent-dark); }

/* Кнопки: прямоугольные, mono, uppercase */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 28px; border: 1px solid var(--line);
  font-family: "JetBrains Mono", monospace; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  text-decoration: none; cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--ink); }
.btn-primary:hover { background: var(--ink); color: var(--accent); }
.btn-ghost { background: var(--bg); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.btn-dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-dark:hover { background: var(--accent); color: var(--ink); border-color: var(--line); }
.btn-sm { padding: 12px 20px; font-size: 11px; }

/* Хиро */
.hero { padding: 150px 0 0; }
.hero-tag { display: flex; align-items: center; gap: 10px; color: var(--muted); margin-bottom: 28px; }
.hero-tag::before { content: ""; width: 8px; height: 8px; background: var(--accent); flex: none; }
.hero h1 { margin-bottom: 32px; }
.hero .sub { margin-bottom: 40px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 64px; }

/* Полоса цифр */
.stats { display: inline-grid; grid-template-columns: repeat(4, auto); border: 1px solid var(--line); }
.stat { padding: 20px 32px 16px 24px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat .n { font-size: clamp(28px, 3vw, 40px); font-weight: 700; line-height: 1.1; }
.stat .l { font-family: "JetBrains Mono", monospace; font-size: 10px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }

/* Секции */
section { padding-block: 110px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--gap); margin-bottom: 48px; }
.section-head .note { max-width: 260px; text-align: right; color: var(--muted); padding-bottom: 10px; }
.bg-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }

/* Кейсы */
.case { padding-block: 40px; border-top: 1px solid var(--line); }
.case:last-of-type { border-bottom: 1px solid var(--line); }
.case-shot { grid-column: span 7; }
.case-info { grid-column: span 5; }
.case--flip .case-shot { order: 2; }
.case--flip .case-info { order: 1; }
.case-info h3 { font-size: 26px; font-weight: 700; text-transform: uppercase; letter-spacing: -0.01em; margin-bottom: 10px; }
.chip {
  display: inline-block; background: var(--accent); color: var(--ink);
  font-family: "JetBrains Mono", monospace; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  padding: 4px 8px; margin-bottom: 16px;
}
.case-info p { color: var(--muted); font-size: 16px; }
.case-info .biz { color: var(--ink); font-size: 16px; margin-bottom: 12px; }
.case-facts { list-style: none; margin-top: 16px; border-top: 1px solid var(--line); }
.case-facts li {
  display: grid; grid-template-columns: 108px 1fr; gap: 16px;
  padding: 9px 0; border-bottom: 1px solid var(--line);
  font-size: 15px; color: var(--muted);
}
.case-facts li b {
  font-family: "JetBrains Mono", monospace; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink);
  line-height: 1.9;
}
.case-info .case-link {
  display: inline-block; margin-top: 16px; padding-block: 10px;
  font-family: "JetBrains Mono", monospace; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink); text-decoration: none; border-bottom: 2px solid var(--accent);
}
.case-info .case-link:hover { background: var(--accent); }

/* Браузерная рамка: жёсткая */
.frame { border: 1px solid var(--line); background: var(--bg); }
.frame-bar {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.08em;
  color: var(--muted); text-transform: lowercase;
}
.frame-bar::before { content: ""; width: 8px; height: 8px; background: var(--accent); flex: none; }
.frame img { display: block; width: 100%; height: auto; }
.case .frame { transition: transform 0.25s ease, box-shadow 0.25s ease; }
.case .frame:hover { transform: translate(-4px, -4px); box-shadow: 6px 6px 0 var(--accent); }

/* Пара малых кейсов */
.case-pair { border-top: 1px solid var(--line); padding-block: 40px; }
.case-pair .grid { align-items: start; }
.case-mini { grid-column: span 6; }
.case-mini .case-info { grid-column: auto; margin-top: 20px; }

/* Цены: белая / чёрная / зелёная */
.price-cards { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gap); align-items: stretch; }
.price-card { grid-column: span 4; display: flex; flex-direction: column; padding: 32px 28px; border: 1px solid var(--line); background: var(--bg); }
.price-card h3 { font-size: 22px; font-weight: 700; text-transform: uppercase; }
.price-card .term { font-family: "JetBrains Mono", monospace; font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); margin: 4px 0 22px; }
.price-card .price { font-size: 44px; font-weight: 700; line-height: 1; margin-bottom: 24px; }
.price-card .price small { font-size: 14px; font-weight: 400; font-family: "JetBrains Mono", monospace; letter-spacing: 0.06em; }
.price-card ul { list-style: none; margin-bottom: 28px; flex-grow: 1; }
.price-card li { font-size: 15px; padding: 6px 0 6px 22px; position: relative; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-dark); font-weight: 700; }
.price-card .btn { align-self: stretch; }

.price-card.dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.price-card.dark .term { color: #999; }
.price-card.dark .price { color: var(--accent); }
.price-card.dark li::before { color: var(--accent); }
.price-card.green { background: var(--accent); border-color: var(--line); }
.price-card.green .term, .price-card.green p { color: rgba(0, 0, 0, 0.6); }
.price-card.green li::before { color: var(--ink); }

.price-card.wide { grid-column: span 6; }
.price-card.wide ul { columns: 2; column-gap: var(--gap); }
.price-note { color: var(--muted); font-size: 15px; margin-top: 32px; max-width: 44rem; }

/* Как работаем: пронумерованные ячейки */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.step { padding: 28px 24px 32px; border-right: 1px solid var(--line); }
.step:last-child { border-right: 0; }
.step .num { font-family: "JetBrains Mono", monospace; font-size: 12px; font-weight: 700; color: var(--accent-dark); letter-spacing: 0.1em; margin-bottom: 40px; }
.step h3 { font-size: 20px; font-weight: 700; text-transform: uppercase; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 15px; }

/* Финал: чёрный блок */
.cta-final { background: var(--ink); color: #fff; text-align: left; padding-block: 110px 0; overflow: hidden; }
.cta-final h2 em { text-shadow: 0.035em 0.035em 0 rgba(66, 255, 0, 0.35); }
.cta-final .sub { color: #bbb; margin: 24px 0 40px; }
.giant {
  font-weight: 700; text-transform: uppercase;
  font-size: clamp(140px, 24vw, 360px); line-height: 0.75; letter-spacing: -0.03em;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, 0.22);
  margin-top: 80px; user-select: none; pointer-events: none; text-align: center;
}

/* Футер */
footer { background: var(--ink); color: #fff; border-top: 1px solid #333; padding: 24px 0; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
footer p, footer a { color: #999; font-family: "JetBrains Mono", monospace; font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; text-decoration: none; }
footer a { padding-block: 12px; display: inline-block; }
footer a:hover { color: var(--accent); }

/* Фокус с клавиатуры */
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 3px; }

/* Появление при скролле (только когда JS жив) */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.js .reveal.in { opacity: 1; transform: none; }

/* Пословное появление заголовка хиро */
.hero h1 .w { display: inline-block; opacity: 0; transform: translateY(0.5em); animation: wordin 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
@keyframes wordin { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .case .frame { transition: none; }
  .hero h1 .w { opacity: 1; transform: none; animation: none; }
}

/* Мобильная */
@media (max-width: 900px) {
  section { padding-block: 64px; }
  .nav { padding: 12px 16px; }
  .nav .btn { display: none; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 10px; letter-spacing: 0.1em; }
  .hero { padding-top: 120px; }
  .hero-cta .btn { flex: 1 1 100%; }
  .stats { grid-template-columns: repeat(2, 1fr); border-right: 1px solid var(--line); }
  .stats::after { display: none; }
  .stat { border-top: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .stat:nth-child(even) { border-right: 0; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head .note { text-align: left; max-width: none; padding-bottom: 0; }
  .hero-text, .case-shot, .case-info, .case-mini, .price-card, .price-card.wide { grid-column: span 12; }
  .case--flip .case-shot { order: 1; }
  .case--flip .case-info { order: 2; }
  .case-info { margin-top: 16px; }
  .price-card.wide ul { columns: 1; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: 0; }
  .step .num { margin-bottom: 16px; }
  .sub { max-width: none; }
  .cta-final { padding-block: 72px 0; }
  .giant { margin-top: 48px; }
}