/* Monial Labs — прототип. Палитра и шрифт по брендбуку Monial (docs/brand.md). */

:root {
  --indigo: #6836F5;           /* цвета логотипа владельца */
  --indigo-600: #5724e0;
  --indigo-soft: #E9E1FE;
  --lime: #CEEA3A;
  --lime-soft: #F5FADB;
  --black: #000000;
  --ink: #0A0A12;
  --ink-2: #13121F;
  --white: #FFFFFF;
  --text: #16151F;
  --muted: #5E5B6E;
  --muted-dark: #A9A5BD;
  --line: #E6E3EF;
  --radius: 20px;
  --radius-sm: 12px;
  --container: 1200px;
  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -0.02em; }
h1 { font-size: clamp(36px, 5vw, 60px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 700; margin-bottom: 36px; }
h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
p { margin: 0 0 12px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 820px; }
.accent { color: var(--lime); }

/* Прототип: места, требующие подтверждения */
.tbd {
  text-decoration: underline dashed #ff9f1c;
  text-underline-offset: 4px;
  cursor: help;
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 16px 26px; border-radius: 999px;
  font: 700 16px/1 var(--font); text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--accent { background: var(--lime); color: var(--black); box-shadow: 0 8px 30px rgba(206,234,58,.25); }
.btn--accent:hover { box-shadow: 0 10px 36px rgba(206,234,58,.4); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.28); }
.btn--ghost:hover { border-color: var(--white); }
.btn--sm { padding: 11px 18px; font-size: 14px; }

/* ---------- Шапка ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,18,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header__inner { display: flex; align-items: center; gap: 28px; height: 72px; }
.header .btn { white-space: nowrap; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { color: var(--muted-dark); text-decoration: none; font-weight: 500; font-size: 15px; white-space: nowrap; }
.nav a:hover { color: var(--white); }

/* ---------- Логотип (файл владельца, brand/) ---------- */
.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo img { display: block; height: 34px; width: auto; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink); color: var(--white);
  padding: 72px 0 96px;
}
.hero__glow {
  position: absolute; inset: -20% -10% auto auto;
  width: 900px; height: 900px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(104,54,245,.55), rgba(104,54,245,0));
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center;
}
.eyebrow {
  text-transform: uppercase; letter-spacing: .14em;
  font-size: 13px; font-weight: 700; color: var(--lime); margin-bottom: 18px;
}
.eyebrow--dark { color: var(--indigo); }
.lead { font-size: 19px; color: var(--muted-dark); max-width: 560px; margin-top: 22px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.channels { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 28px 0 0; }
.channels li {
  font-size: 13px; font-weight: 600; color: var(--muted-dark);
  border: 1px solid rgba(255,255,255,.14); border-radius: 999px; padding: 6px 12px;
}
.stats { display: flex; flex-wrap: wrap; gap: 20px 40px; margin: 40px 0 0; }
.hero__inner > * { min-width: 0; }
.stats dt { font-size: 32px; font-weight: 800; color: var(--white); }
.stats dd { margin: 2px 0 0; font-size: 14px; color: var(--muted-dark); }

/* ---------- Чат ---------- */
.chat {
  display: flex; flex-direction: column;
  height: 600px;
  background: var(--ink-2);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(104,54,245,.35), 0 0 0 1px rgba(104,54,245,.25);
  overflow: hidden;
  transition: box-shadow .3s ease;
}
.chat.is-pulse { box-shadow: 0 30px 80px rgba(206,234,58,.35), 0 0 0 3px var(--lime); }
.chat__head {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.chat__avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--indigo); color: var(--white); font-weight: 800;
}
.chat__avatar { overflow: hidden; }
.chat__avatar img { width: 100%; height: 100%; display: block; }
.chat__name { font-weight: 700; }
.chat__status { font-size: 13px; color: var(--muted-dark); display: flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 10px var(--lime); }
.chat__badge {
  margin-left: auto; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  color: #ff9f1c; border: 1px solid rgba(255,159,28,.5); border-radius: 6px; padding: 3px 6px; cursor: help;
}
.chat__log {
  flex: 1; overflow-y: auto; padding: 18px;
  display: flex; flex-direction: column; gap: 10px;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.15) transparent;
}
.msg {
  max-width: 86%; padding: 11px 14px; border-radius: 16px;
  font-size: 15px; line-height: 1.45; white-space: pre-line;
  animation: msg-in .25s ease;
}
.msg--bot { align-self: flex-start; background: rgba(255,255,255,.07); border-bottom-left-radius: 4px; }
.msg--user { align-self: flex-end; background: var(--indigo); border-bottom-right-radius: 4px; }
.msg--typing { display: flex; gap: 4px; padding: 14px; }
.msg--typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--muted-dark);
  animation: typing 1s infinite ease-in-out;
}
.msg--typing span:nth-child(2) { animation-delay: .15s; }
.msg--typing span:nth-child(3) { animation-delay: .3s; }
@keyframes typing { 0%, 80%, 100% { opacity: .3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }
@keyframes msg-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.chat__quick { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 18px 12px; }
.chip {
  font: 600 14px/1 var(--font); color: var(--lime);
  background: transparent; border: 1px solid rgba(206,234,58,.45);
  border-radius: 999px; padding: 9px 13px; cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.chip:hover { background: var(--lime); color: var(--black); }

.chat__form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid rgba(255,255,255,.08); }
.chat__input {
  flex: 1; min-width: 0;
  background: rgba(255,255,255,.06); color: var(--white);
  border: 1px solid rgba(255,255,255,.12); border-radius: 999px;
  padding: 13px 18px; font: 500 15px var(--font); outline: none;
}
.chat__input:focus { border-color: var(--indigo); }
.chat__input::placeholder { color: var(--muted-dark); }
.chat__send {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: 50%; border: 0;
  background: var(--lime); color: var(--black); cursor: pointer;
  display: grid; place-items: center;
}
.chat__also { text-align: center; font-size: 13px; color: var(--muted-dark); padding: 0 12px 12px; }
.chat__also a { color: var(--white); }

/* ---------- Секции ---------- */
.section { padding: 100px 0; scroll-margin-top: 72px; }
.section--light { background: var(--white); }
.section--lilac { background: #F4F0FF; }
.section--dark { background: var(--ink); color: var(--white); }
.section--lime { background: var(--lime-soft); }
.section-lead { color: var(--muted); max-width: 640px; margin: -20px 0 32px; }
.note { color: var(--muted); font-size: 14px; margin-top: 20px; }
.grid--quick { grid-template-columns: repeat(5, 1fr); }
.grid--quick .card { padding: 24px; }

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.feature { padding: 28px; border-radius: var(--radius); background: var(--lime-soft); }
.feature:nth-child(even) { background: var(--indigo-soft); }
.feature__num { font-weight: 800; font-size: 14px; color: var(--indigo); margin-bottom: 40px; }
.feature p { color: var(--muted); font-size: 15px; }

.card {
  display: flex; flex-direction: column;
  padding: 30px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--white);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card:hover { border-color: var(--indigo); transform: translateY(-3px); box-shadow: 0 16px 40px rgba(104,54,245,.12); }
.card p { color: var(--muted); font-size: 15px; }
.price { margin-top: auto; padding-top: 12px; font-weight: 800; color: var(--text) !important; font-size: 18px !important; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li {
  padding: 28px; border-radius: var(--radius);
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
}
.steps__num {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--indigo); font-weight: 800; margin-bottom: 26px;
}
.steps p { color: var(--muted-dark); font-size: 15px; }

.why { padding: 32px; border-radius: var(--radius); background: var(--white); }
.why p { color: var(--muted); }

details { border-bottom: 1px solid var(--line); padding: 20px 0; }
summary {
  cursor: pointer; font-weight: 700; font-size: 18px; list-style: none;
  display: flex; justify-content: space-between; gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--indigo); font-size: 24px; line-height: 1; transition: transform .2s ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin-top: 12px; }

.cta__inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
.cta h2 { margin-bottom: 0; }
.contacts { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.contacts li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 18px 22px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
}
.contacts span { color: var(--muted-dark); }
.contacts a { font-weight: 700; text-decoration: none; }

.footer { background: var(--black); color: var(--muted-dark); font-size: 14px; padding: 28px 0; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

/* Плавающая кнопка (видна, когда чат вне экрана) */
.fab {
  position: fixed; right: 24px; bottom: 24px; z-index: 60;
  width: 62px; height: 62px; border-radius: 50%; border: 0;
  background: var(--lime); color: var(--black); cursor: pointer;
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
  display: grid; place-items: center;
  opacity: 0; transform: scale(.8); pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.fab.is-visible { opacity: 1; transform: none; pointer-events: auto; }

/* ---------- Адаптив ---------- */
@media (max-width: 1180px) {
  .nav { display: none; }
  .header .btn { margin-left: auto; }
  .grid--quick { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .hero__inner, .cta__inner { grid-template-columns: 1fr; }
  .grid--4, .steps { grid-template-columns: repeat(2, 1fr); }
  .grid--3, .grid--quick { grid-template-columns: repeat(2, 1fr); }
  .nav { display: none; }
  .header .btn { margin-left: auto; }
}
@media (max-width: 640px) {
  .logo img { height: 28px; }
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 64px; }
  .grid--2, .grid--3, .grid--4, .grid--quick, .steps { grid-template-columns: 1fr; }
  .stats { gap: 24px; }
  .chat { height: 560px; }
  .header .btn { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}