/* CSS — внешний вид страницы.
   Цвета, отступы и шрифты собраны в :root: поменял здесь — поменялось на всём сайте. */

@font-face { font-family: "Geologica"; src: url("fonts/geologica-cyrillic-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Geologica"; src: url("fonts/geologica-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; unicode-range: U+0000-00FF, U+2000-206F, U+20A0-20C0, U+2190-2199; }
@font-face { font-family: "Golos Text"; src: url("fonts/golos-text-cyrillic-wght-normal.woff2") format("woff2"); font-weight: 400 900; font-display: swap; unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Golos Text"; src: url("fonts/golos-text-latin-wght-normal.woff2") format("woff2"); font-weight: 400 900; font-display: swap; unicode-range: U+0000-00FF, U+2000-206F, U+20A0-20C0, U+2190-2199; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains-mono-cyrillic-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; unicode-range: U+0000-00FF, U+2000-206F, U+20A0-20C0, U+2190-2199; }

:root {
  --ink: #101311;          /* почти чёрный: тёмные блоки и текст */
  --ink-2: #1a1f1b;
  --ink-3: #2a312c;
  --paper: #f4f5f0;        /* основной светлый фон */
  --tint: #e8eae1;
  --white: #ffffff;
  --lime: #c8f031;         /* единственный акцент: всё, что важно нажать */
  --muted: #5d645e;
  --muted-dark: #a2aaa3;
  --line: #d6d9cf;
  --red: #b23a26;
  --display: "Geologica", system-ui, sans-serif;
  --body: "Golos Text", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.55 var(--body); overflow-wrap: break-word; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -.025em; line-height: 1.06; text-wrap: balance; }
h2 { font-size: clamp(2rem, 4.6vw, 3.5rem); max-width: 17em; }
h3 { font-size: 1.3rem; line-height: 1.2; letter-spacing: -.015em; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; box-shadow: 0 0 0 3px var(--ink); }

.wrap { width: min(1240px, 100%); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(64px, 10vw, 128px); }
.section--dark { background: var(--ink); color: var(--paper); }
.section--tint { background: var(--tint); }
.kicker { font: 500 .8rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 18px; }
.section--dark .kicker { color: var(--lime); }
.split-head { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px 64px; align-items: end; margin-bottom: 48px; }
.split-head > p { color: var(--muted); }
.section--dark .split-head > p { color: var(--muted-dark); }
.section--dark .split-head b { color: var(--paper); }

/* Кнопки */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 28px; border-radius: 999px; background: var(--lime); color: var(--ink); font: 600 1.02rem/1 var(--display); text-decoration: none; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-2px); background: #d7ff45; }
.btn:active { transform: none; }
.btn--small { min-height: 42px; padding: 0 20px; font-size: .92rem; }
.btn--ghost { background: transparent; color: var(--paper); box-shadow: inset 0 0 0 1.5px var(--ink-3); }
.btn--ghost:hover { background: var(--ink-2); }
.btn--dark { background: var(--ink); color: var(--paper); }
.btn--dark:hover { background: var(--ink-3); }

/* Шапка */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(16, 19, 17, .92); backdrop-filter: blur(10px); color: var(--paper); }
.nav__row { display: flex; align-items: center; gap: 28px; height: 68px; }
.nav__logo { font: 700 1.05rem/1 var(--display); letter-spacing: -.01em; text-decoration: none; margin-right: auto; }
.nav__links { display: flex; gap: 24px; font-size: .95rem; }
.nav__links a { text-decoration: none; color: var(--muted-dark); transition: color .15s; }
.nav__links a:hover { color: var(--paper); }

/* Первый экран */
.hero { background: radial-gradient(60% 55% at 78% 62%, rgba(200, 240, 49, .13), transparent 70%), var(--ink); color: var(--paper); padding-block: clamp(32px, 5vw, 64px) clamp(56px, 7vw, 96px); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero__who { display: flex; align-items: center; gap: 12px; color: var(--muted-dark); font-size: .98rem; margin-bottom: 26px; }
.hero__who img { width: 48px; height: 48px; border-radius: 50%; }
h1 { font-size: clamp(2.7rem, 6vw, 5rem); line-height: 1.02; letter-spacing: -.035em; }
h1 em { font-style: normal; color: var(--lime); }
.hero__lead { margin-top: 24px; max-width: 34em; color: #cfd5cf; font-size: clamp(1.06rem, 1.5vw, 1.22rem); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.facts { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 12px clamp(24px, 3.4vw, 48px); margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--ink-3); }
.facts b { display: block; font: 700 1.4rem/1.1 var(--display); letter-spacing: -.02em; }
.facts span { display: block; margin-top: 4px; color: var(--muted-dark); font-size: .86rem; line-height: 1.3; }

/* Живой чат */
.sim { min-width: 0; }
.sim__tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.sim__tabs button { border: 0; border-radius: 999px; padding: 8px 13px; background: var(--ink-2); color: var(--muted-dark); font: 500 .9rem/1 var(--body); cursor: pointer; transition: background .15s, color .15s; }
.sim__tabs button:hover { color: var(--paper); }
.sim__tabs button[aria-pressed="true"] { background: var(--paper); color: var(--ink); }
.sim__phone { border-radius: 24px; overflow: hidden; background: #171b18; box-shadow: 0 0 0 1px var(--ink-3), 0 30px 70px -30px rgba(0, 0, 0, .9); }
.sim__head { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--ink-2); border-bottom: 1px solid var(--ink-3); }
.sim__avatar { flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--lime); color: var(--ink); font: 700 1.05rem/1 var(--display); }
.sim__head b { display: block; font: 600 1rem/1.25 var(--display); }
.sim__head small { display: block; color: var(--muted-dark); font-size: .8rem; line-height: 1.3; }
.sim__chat { display: flex; flex-direction: column; gap: 8px; height: 400px; padding: 16px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--ink-3) transparent; }
.sim__chat > :first-child { margin-top: auto; }
.msg { max-width: 86%; padding: 9px 13px; border-radius: 16px 16px 16px 5px; background: var(--ink-3); font-size: .95rem; line-height: 1.4; white-space: pre-line; align-self: flex-start; animation: rise .22s ease-out; }
.msg b { display: block; font-family: var(--display); margin-bottom: 2px; }
.msg--me { align-self: flex-end; background: var(--lime); color: var(--ink); border-radius: 16px 16px 5px 16px; }
.keys { display: flex; flex-wrap: wrap; gap: 5px; max-width: 94%; animation: rise .22s ease-out; }
.keys span { padding: 6px 11px; border-radius: 10px; background: #232923; color: #dfe4de; font-size: .84rem; line-height: 1.25; }
.grid-app { align-self: stretch; padding: 10px; border-radius: 16px; background: var(--paper); color: var(--ink); animation: rise .22s ease-out; }
.grid-app__tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.grid-app__tile { padding: 8px; border-radius: 10px; background: var(--white); font-size: .78rem; line-height: 1.25; }
.grid-app__tile i { display: block; height: 42px; margin-bottom: 6px; border-radius: 7px; }
.grid-app__tile b { display: block; margin-top: 2px; }
.grid-app__main { margin-top: 8px; padding: 10px; border-radius: 10px; background: var(--ink); color: var(--paper); text-align: center; font-weight: 600; font-size: .86rem; }
.typing { display: flex; gap: 4px; align-self: flex-start; padding: 13px 14px; border-radius: 16px 16px 16px 5px; background: var(--ink-3); }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted-dark); animation: blink 1s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; }
.typing i:nth-child(3) { animation-delay: .3s; }
.sim__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; margin-top: 12px; }
.switch { display: flex; padding: 3px; border-radius: 999px; background: var(--ink-2); }
.switch button { border: 0; border-radius: 999px; padding: 8px 13px; background: transparent; color: var(--muted-dark); font: 500 .86rem/1 var(--body); cursor: pointer; transition: background .15s, color .15s; }
.switch button[aria-pressed="true"] { background: var(--lime); color: var(--ink); }
.sim__live { color: var(--paper); font-size: .9rem; text-underline-offset: 3px; }
.sim__noscript { color: var(--muted-dark); padding: 16px; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
@keyframes blink { 50% { opacity: .3; } }

/* Боль → решение */
.pains { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 56px; border-top: 2px solid var(--ink); }
.pain { padding: 24px 24px 0 0; display: flex; flex-direction: column; gap: 18px; }
.pain + .pain { padding-left: 24px; border-left: 1px solid var(--line); }
.pain__was { color: var(--red); text-decoration: line-through; text-decoration-thickness: 1px; font-size: .98rem; }
.pain__now { font: 600 1.2rem/1.25 var(--display); letter-spacing: -.012em; }

/* Демо */
.demos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--ink-3); border: 1px solid var(--ink-3); border-radius: var(--radius); overflow: hidden; }
.demo { display: flex; flex-direction: column; gap: 12px; padding: clamp(22px, 2.6vw, 32px); background: var(--ink); transition: background .2s; }
.demo:hover { background: var(--ink-2); }
.demo__num { font: 500 .8rem/1 var(--mono); color: var(--muted-dark); }
.demo h3 { font-size: 1.45rem; }
.demo p { color: #c4cac4; font-size: .98rem; }
.demo .demo__for { margin-top: auto; padding-top: 6px; color: var(--muted-dark); font: 500 .78rem/1.35 var(--mono); }
.demo a { align-self: flex-start; color: var(--lime); font-weight: 600; text-underline-offset: 4px; }

/* Обо мне */
.about { display: grid; grid-template-columns: 1.08fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.about__photo img { width: 100%; aspect-ratio: 1 / 1.02; object-fit: cover; object-position: 62% 20%; border-radius: var(--radius); }
.about__text h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
.about__lead { margin-top: 20px; color: var(--muted); font-size: 1.1rem; }
.points { display: grid; gap: 14px; margin-top: 28px; }
.points li { padding-left: 22px; position: relative; }
.points li::before { content: ""; position: absolute; left: 0; top: .5em; width: 10px; height: 10px; border-radius: 2px; background: var(--lime); box-shadow: 0 0 0 1px var(--ink); }

/* Цены */
.prices { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.price { display: flex; flex-direction: column; padding: 24px; border-radius: var(--radius); background: var(--paper); min-height: 240px; }
.price h3 { font-size: 1.14rem; }
.price__sum { margin-top: auto; font: 700 clamp(1.6rem, 2.3vw, 1.9rem)/1.1 var(--display); letter-spacing: -.025em; white-space: nowrap; }
.price__term { margin-top: 6px; color: var(--muted); font: 500 .84rem/1.3 var(--mono); }

/* Шаги */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 56px; counter-reset: step; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 20px; border-radius: 50%; background: var(--lime); font: 700 1.05rem/1 var(--display); }
.steps b { display: block; font: 700 1.3rem/1.2 var(--display); letter-spacing: -.015em; margin-bottom: 8px; }
.steps span { color: var(--muted); }

/* Вопросы */
.faq { display: grid; grid-template-columns: 1fr 1.5fr; gap: 32px 64px; }
.faq__list details { border-top: 1px solid #c5c9bd; }
.faq__list details:last-child { border-bottom: 1px solid #c5c9bd; }
.faq__list summary { display: flex; justify-content: space-between; gap: 16px; padding: 20px 0; font: 600 1.14rem/1.3 var(--display); cursor: pointer; list-style: none; }
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after { content: "+"; font-family: var(--mono); font-size: 1.3rem; line-height: 1; }
.faq__list details[open] summary::after { content: "−"; }
.faq__list details p { padding-bottom: 22px; color: var(--muted); max-width: 40em; }

/* Финальный призыв */
.cta { background: var(--lime); padding-block: clamp(56px, 8vw, 104px); }
.cta__row { display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px 64px; align-items: end; }
.cta h2 { font-size: clamp(2.2rem, 5.2vw, 4rem); }
.cta p { margin-top: 12px; font-size: .95rem; }

.footer { background: var(--ink); color: var(--muted-dark); font-size: .92rem; padding-block: 28px; }
.footer__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.stick { display: none; }

/* Планшет и меньше: колонки складываются друг под друга */
@media (max-width: 980px) {
  .hero__grid, .about, .faq, .cta__row, .split-head { grid-template-columns: minmax(0, 1fr); }
  .nav__links { display: none; }
  .pains { grid-template-columns: repeat(2, 1fr); }
  .pain, .pain + .pain { padding: 20px 20px 24px 0; border-left: 0; }
  .pain:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--line); }
  .demos { grid-template-columns: repeat(2, 1fr); }
  .prices, .steps { grid-template-columns: repeat(2, 1fr); }
  .about__photo img { aspect-ratio: 5 / 4; object-position: 50% 15%; }
  .price { min-height: 190px; }
}

/* Телефон */
@media (max-width: 620px) {
  body { font-size: 16px; padding-bottom: 76px; }
  .nav .btn { display: none; }
  .nav__row { height: 56px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .facts { grid-template-columns: repeat(3, auto); justify-content: space-between; gap: 8px; }
  .facts b { font-size: 1.12rem; }
  .facts span { font-size: .78rem; }
  .pains, .demos, .steps { grid-template-columns: minmax(0, 1fr); }
  .pain:nth-child(even) { padding-left: 0; border-left: 0; }
  .pain { border-bottom: 1px solid var(--line); padding-right: 0; }
  .prices { grid-template-columns: minmax(0, 1fr); }
  .price { min-height: 0; gap: 14px; }
  .sim__chat { height: 370px; }
  .switch { width: 100%; }
  .switch button { flex: 1; padding-inline: 6px; }
  .stick { display: flex; position: fixed; z-index: 30; left: 16px; right: 16px; bottom: 12px; box-shadow: 0 10px 28px rgba(16, 19, 17, .35); transition: transform .2s, opacity .2s; }
  .stick.is-hidden { transform: translateY(24px); opacity: 0; pointer-events: none; }
}

/* Если в системе отключена анимация — уважаем это */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}