/* ============================================================
   (F)Smoke — лендинг команды · стили
   Тёмная тема по умолчанию, светлая через [data-theme="light"]
   ============================================================ */

:root {
  --bg: #07080f;
  --bg-soft: #0b0d18;
  --text: #e9ebf8;
  --muted: #9aa0b8;
  --card: rgba(255, 255, 255, 0.04);
  --card-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --a1: #8b5cf6;
  --a2: #22d3ee;
  --a3: #f472b6;
  --grad: linear-gradient(100deg, var(--a1), var(--a2));
  --grad-3: linear-gradient(100deg, var(--a1), var(--a2) 55%, var(--a3));
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --glow: 0 8px 40px rgba(139, 92, 246, 0.35);
  --radius: 20px;
  --nav-h: 72px;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #f5f6fb;
  --bg-soft: #ffffff;
  --text: #141626;
  --muted: #5c6178;
  --card: rgba(255, 255, 255, 0.75);
  --card-strong: rgba(255, 255, 255, 0.95);
  --border: rgba(18, 20, 40, 0.1);
  --shadow: 0 24px 60px rgba(30, 34, 70, 0.12);
  --glow: 0 8px 40px rgba(139, 92, 246, 0.25);
  color-scheme: light;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

::selection { background: var(--a1); color: #fff; }

/* ---------------- фоновые слои ---------------- */

.bg-aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.5;
  animation: float 22s ease-in-out infinite alternate;
}

html[data-theme="light"] .blob { opacity: 0.35; }

.b1 { width: 46vw; height: 46vw; left: -12vw; top: -14vw; background: radial-gradient(circle, var(--a1), transparent 70%); }
.b2 { width: 38vw; height: 38vw; right: -10vw; top: 22vh; background: radial-gradient(circle, var(--a2), transparent 70%); animation-delay: -7s; }
.b3 { width: 34vw; height: 34vw; left: 28vw; bottom: -18vw; background: radial-gradient(circle, var(--a3), transparent 70%); animation-delay: -14s; }

@keyframes float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(6vw, 4vh) scale(1.15); }
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.6'/></svg>");
}

/* ---------------- прогресс и навигация ---------------- */

.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: var(--grad-3);
  z-index: 120;
  border-radius: 0 3px 3px 0;
}

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--border);
}

.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-family: "Unbounded", sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.logo-dot { color: var(--a2); }

.nav-links {
  display: flex;
  gap: 2px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 8px 12px;
  border-radius: 999px;
  transition: color 0.25s ease, background 0.25s ease;
}

.nav-links a:hover { color: var(--text); background: var(--card); }

.nav-links a.active {
  color: var(--text);
  background: var(--card-strong);
  box-shadow: inset 0 0 0 1px var(--border);
}

.nav-actions { display: flex; align-items: center; gap: 10px; }

.theme-toggle, .burger, .to-top {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.theme-toggle:hover, .burger:hover, .to-top:hover { transform: translateY(-2px); border-color: var(--a1); }

.theme-toggle svg { width: 20px; height: 20px; }
html[data-theme="dark"] .icon-sun { display: none; }
html[data-theme="dark"] .icon-moon { display: block; }
html[data-theme="light"] .icon-moon { display: none; }
html[data-theme="light"] .icon-sun { display: block; }

.burger { display: none; flex-direction: column; justify-content: center; gap: 5px; }

.burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- типографика и общие блоки ---------------- */

.kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: var(--grad-3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}

h1, h2, h3, h4 { font-family: "Unbounded", sans-serif; font-weight: 600; line-height: 1.15; }

h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); }

.grad-text {
  background: var(--grad-3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section { padding: 110px 0; }

.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.glass {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.chips { display: flex; flex-wrap: wrap; gap: 10px; }

.chip {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.chip:hover { color: var(--text); border-color: var(--a2); transform: translateY(-2px); }

/* ---------------- кнопки ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 14px;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.btn svg { width: 18px; height: 18px; flex: none; }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--glow);
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 50px rgba(139, 92, 246, 0.5); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  box-shadow: inset 0 0 0 1.5px var(--border);
}

.btn-ghost:hover { transform: translateY(-3px); border-color: var(--a2); box-shadow: inset 0 0 0 1.5px var(--a2); }

.btn-lg { padding: 18px 34px; font-size: 1.08rem; border-radius: 16px; }

.btn-lg svg { width: 20px; height: 20px; }

/* ---------------- hero ---------------- */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-top: var(--nav-h);
}

.hero-hi {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 14px;
}

.hero-title {
  font-size: clamp(2.5rem, 7.5vw, 5.2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 26px;
}

.hero-lead {
  max-width: 640px;
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--muted);
  margin-bottom: 36px;
}

.hero-lead strong { color: var(--text); }

.hero-btns { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 64px; }

.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; max-width: 640px; }

.stat { padding: 20px 22px; text-align: center; }

.stat-num {
  font-family: "Unbounded", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  background: var(--grad-3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label { font-size: 0.85rem; font-weight: 600; color: var(--muted); margin-top: 4px; }

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid var(--muted);
  border-radius: 999px;
  opacity: 0.6;
}

.scroll-hint span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  border-radius: 4px;
  background: var(--a2);
  animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes scrollDot {
  0%   { transform: translateY(0); opacity: 1; }
  70%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ---------------- бегущая строка ---------------- */

.marquee {
  overflow: hidden;
  border-block: 1px solid var(--border);
  background: var(--card);
  padding: 16px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee-track {
  display: flex;
  gap: 28px;
  width: max-content;
  animation: marquee 26s linear infinite;
}

.marquee-track span {
  font-family: "Unbounded", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.marquee-track i { color: var(--a1); font-style: normal; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------------- проблема ---------------- */

.quote-block {
  max-width: 820px;
  margin: 0 auto 48px;
  padding: clamp(28px, 4vw, 44px);
  font-family: "Unbounded", sans-serif;
  font-weight: 400;
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  line-height: 1.5;
  text-align: center;
  position: relative;
}

.quote-block::before {
  content: "„";
  position: absolute;
  top: -6px;
  left: 18px;
  font-size: 5rem;
  line-height: 1;
  background: var(--grad-3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.55;
}

/* ---------------- карточки ---------------- */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

.card {
  padding: 30px 26px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--a1) 55%, transparent);
  box-shadow: var(--shadow);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #fff;
  margin-bottom: 20px;
  box-shadow: var(--glow);
}

.card-icon svg { width: 24px; height: 24px; }

.card h3 { font-size: 1.15rem; margin-bottom: 10px; }

.card p { font-size: 0.94rem; color: var(--muted); }

/* ---------------- решение: шаги ---------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 26px;
}

.step {
  padding: 30px 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--a2) 55%, transparent);
  box-shadow: var(--shadow);
}

.step-num {
  display: block;
  font-family: "Unbounded", sans-serif;
  font-weight: 800;
  font-size: 2.6rem;
  line-height: 1;
  margin-bottom: 18px;
  background: var(--grad-3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.9;
}

.step h3 { font-size: 1.15rem; margin-bottom: 10px; }

.step p { font-size: 0.94rem; color: var(--muted); }

.callout {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: clamp(24px, 3.5vw, 36px);
  border: 1px solid transparent;
  border-radius: var(--radius);
  background:
    linear-gradient(var(--bg-soft), var(--bg-soft)) padding-box,
    var(--grad-3) border-box;
  box-shadow: var(--shadow);
}

html[data-theme="light"] .callout { background: linear-gradient(#fff, #fff) padding-box, var(--grad-3) border-box; }

.callout-icon {
  flex: none;
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #fff;
  box-shadow: var(--glow);
}

.callout-icon svg { width: 28px; height: 28px; }

.callout h3 { font-size: 1.2rem; margin-bottom: 8px; }

.callout p { font-size: 0.96rem; color: var(--muted); margin-bottom: 18px; max-width: 560px; }

.callout .btn { flex: none; align-self: center; }

/* ---------------- рынок ---------------- */

.revenue {
  margin-top: 26px;
  padding: 24px 30px;
  text-align: center;
  font-size: 1.05rem;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: var(--radius);
  background:
    var(--card) padding-box,
    var(--grad-3) border-box;
}

.revenue strong { color: var(--text); }

/* ---------------- команда ---------------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  max-width: 760px;
  margin-inline: auto;
}

.member {
  padding: 32px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.member:hover {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--a3) 55%, transparent);
  box-shadow: var(--shadow);
}

.member-avatar {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: "Unbounded", sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  background:
    linear-gradient(var(--bg-soft), var(--bg-soft)) padding-box,
    conic-gradient(from 0deg, var(--a1), var(--a2), var(--a3), var(--a1)) border-box;
  border: 3px solid transparent;
  margin-bottom: 12px;
}

html[data-theme="light"] .member-avatar { background: linear-gradient(#fff, #fff) padding-box, conic-gradient(from 0deg, var(--a1), var(--a2), var(--a3), var(--a1)) border-box; }

.member strong { font-size: 1rem; }

.member em { font-style: normal; font-size: 0.85rem; color: var(--muted); }

/* ---------------- контакты ---------------- */

.contact-wrap { text-align: center; }

.contact-wrap h2 { margin-bottom: 18px; }

.contact-lead { color: var(--muted); max-width: 480px; margin: 0 auto 40px; }

.contact-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 14px;
}

.btn-copy { font-size: 1rem; }

/* ---------------- футер, кнопка наверх ---------------- */

.footer {
  border-top: 1px solid var(--border);
  padding: 34px 0 40px;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-note { opacity: 0.7; font-size: 0.85rem; margin-top: 4px; }

.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  background: var(--grad);
  color: #fff;
  border: none;
  box-shadow: var(--glow);
}

.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------------- анимации появления ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease var(--d, 0s), transform 0.7s ease var(--d, 0s);
}

.reveal.on { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------------- адаптив ---------------- */

@media (max-width: 1024px) {
  .steps { grid-template-columns: 1fr; }
  .callout { flex-direction: column; align-items: flex-start; }
  .callout .btn { align-self: flex-start; }
}

@media (max-width: 720px) {
  .section { padding: 80px 0; }

  .hero { padding-top: calc(var(--nav-h) + 20px); }

  .burger { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 18px 5vw 26px;
    gap: 6px;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
  }

  .nav-links.open { transform: translateY(0); opacity: 1; visibility: visible; }

  .nav-links a { padding: 12px 16px; font-size: 1.05rem; }

  .stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat { padding: 14px 10px; }

  .hero-btns .btn { flex: 1; }

  .to-top { right: 16px; bottom: 16px; }
}

@media (max-width: 460px) {
  .stats { grid-template-columns: 1fr; }
  .scroll-hint { display: none; }
}