/* ============================================================
   avtostory.ru — «Чистая история» · светлая тема Автотеки
   Токены → база → компоненты → страницы → анимации
   ============================================================ */

:root {
  /* палитра */
  --bg: #ffffff;
  --bg-mint: #f2faf5;
  --bg-mint-2: #e9f6ee;
  --ink: #0e1512;
  --ink-soft: #24312a;
  --muted: #5a6b60;
  --line: #e2ece5;
  --line-strong: #cfdfd5;

  --green: #00b850;
  --green-dark: #009a43;
  --green-deep: #0b1f14;
  --green-glow: #00e060;
  --green-tint: #e3f8eb;

  --pin-red: #f04050;
  --pin-blue: #00a0f0;
  --pin-purple: #b040f0;
  --amber: #ffb300;
  --amber-tint: #fff4d6;
  --red-tint: #fde8ea;

  /* типографика */
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Inter Tight", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;

  /* геометрия */
  --r-card: 22px;
  --r-btn: 14px;
  --r-pill: 999px;
  --container: 1180px;

  --shadow-card: 0 2px 6px rgba(14, 21, 18, 0.04), 0 18px 44px -18px rgba(14, 21, 18, 0.12);
  --shadow-pop: 0 24px 60px -20px rgba(11, 31, 20, 0.25);
  --shadow-green: 0 14px 34px -12px rgba(0, 184, 80, 0.45);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- база ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--green-dark); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--green); }

h1, h2, h3 { line-height: 1.15; margin: 0 0 0.6em; }
h1, h2 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }
h3 { font-weight: 700; font-size: 1.12rem; }
p { margin: 0 0 1em; }
s { color: var(--muted); }

.container { max-width: var(--container); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.muted { color: var(--muted); }

::selection { background: var(--green-tint); color: var(--green-dark); }

:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; border-radius: 4px; }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85em 1.7em;
  border: 1.5px solid transparent;
  border-radius: var(--r-btn);
  font: 700 1rem/1.2 var(--font-body);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s, background 0.2s, color 0.2s, border-color 0.2s;
  will-change: transform;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-green);
}
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 20px 40px -12px rgba(0, 184, 80, 0.55); }

.btn--outline { background: transparent; border-color: var(--line-strong); color: var(--ink); }
.btn--outline:hover { border-color: var(--green); color: var(--green-dark); background: var(--green-tint); }

.btn--sm { padding: 0.55em 1.15em; font-size: 0.92rem; }
.btn--lg { padding: 1.05em 2.2em; font-size: 1.08rem; border-radius: 16px; }
.btn--block { width: 100%; }

.btn--telegram { background: #2aabee; color: #fff; }
.btn--telegram:hover { background: #1e9ad9; color: #fff; transform: translateY(-2px); }
.btn--vk { background: #07f; color: #fff; }
.btn--vk:hover { background: #0066dd; color: #fff; transform: translateY(-2px); }
.btn--max { background: linear-gradient(135deg, #7c5cff, #5b8def); color: #fff; }
.btn--max:hover { color: #fff; transform: translateY(-2px); }

/* ---------- прогресс-бар скролла ---------- */
.scroll-progress {
  position: fixed;
  inset: 0 auto auto 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--green), var(--green-glow));
  z-index: 120;
  border-radius: 0 3px 3px 0;
}
.cursor-glow { display: none; }

/* ---------- шапка ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.header.is-scrolled { border-bottom-color: var(--line); background: rgba(255, 255, 255, 0.94); }

.nav { display: flex; align-items: center; gap: 1.2rem; min-height: 68px; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.logo:hover { color: var(--ink); }
.logo__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  font: 700 0.9rem var(--font-mono);
  color: #fff;
  background: conic-gradient(from 210deg, var(--green) 0 25%, var(--pin-blue) 0 50%, var(--pin-purple) 0 75%, var(--pin-red) 0 100%);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.logo__mark::after { content: ""; position: absolute; inset: 3px; border-radius: 9px; background: var(--green-deep); z-index: -1; }

.nav__panel { display: flex; align-items: center; gap: 1.4rem; margin-left: auto; }
.nav__links { display: flex; list-style: none; margin: 0; padding: 0; gap: 1.35rem; }
.nav__links a { color: var(--ink-soft); font-weight: 600; font-size: 0.95rem; position: relative; }
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: -6px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: right 0.3s var(--ease-out);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { right: 0; }

.nav__dock { display: flex; gap: 0.4rem; padding: 0.3rem; background: var(--bg-mint); border: 1px solid var(--line); border-radius: var(--r-pill); }
.nav__dock-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  border-radius: var(--r-pill);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.nav__dock-btn:hover { background: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(14, 21, 18, 0.08); }
.nav__dock-btn--tg:hover { color: #2aabee; }
.nav__dock-btn--vk:hover { color: #07f; }
.nav__dock-btn--max:hover { color: #7c5cff; }
.nav__dock-icon { width: 18px; height: 18px; }
.nav__dock-icon svg { width: 100%; height: 100%; }

.nav__toggle { display: none; }

/* мобильная навигация */
@media (max-width: 900px) {
  .nav__toggle {
    display: grid;
    gap: 5px;
    margin-left: auto;
    padding: 10px;
    background: none;
    border: 0;
    cursor: pointer;
    z-index: 102;
  }
  .nav__toggle span { width: 24px; height: 2.5px; border-radius: 2px; background: var(--ink); transition: transform 0.3s var(--ease-out), opacity 0.2s; }
  .nav__toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav__toggle.open span:nth-child(2) { opacity: 0; }
  .nav__toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  .nav__panel {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 101;
  }
  .nav__panel.open { opacity: 1; pointer-events: auto; }
  .nav__links { flex-direction: column; align-items: center; gap: 1.2rem; }
  .nav__links a { font-size: 1.25rem; }
}

/* ---------- секции ---------- */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; position: relative; }
.section--alt { background: var(--bg-mint); }

.section__head { text-align: center; max-width: 720px; margin: 0 auto clamp(2rem, 5vw, 3.2rem); }
.section__tag {
  display: inline-block;
  font: 700 0.72rem/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-dark);
  background: var(--green-tint);
  border: 1px solid #c8ecd6;
  padding: 0.55em 1.1em;
  border-radius: var(--r-pill);
  margin-bottom: 1rem;
}
.section__title { font-size: clamp(1.55rem, 3.4vw, 2.3rem); text-wrap: balance; }
.section__title--left { text-align: left; }
.section__lead { color: var(--muted); max-width: 560px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5rem);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero__grid > * { min-width: 0; }
@media (max-width: 960px) { .hero__grid { grid-template-columns: 1fr; } }
@media (max-width: 480px) {
  .hero__stats { flex-wrap: wrap; gap: 1rem 1.6rem; }
  .hero-check { flex-wrap: wrap; }
  .hero-check .btn { flex: 1 1 100%; }
}

/* фон hero: мятная волна + сетка */
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-bg__wash {
  position: absolute;
  inset: -20% -10% 30% 45%;
  background: radial-gradient(ellipse at 70% 30%, var(--bg-mint-2), transparent 65%);
}
.hero-bg__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 75% 65% at 68% 38%, rgba(0,0,0,0.5), transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 68% 38%, rgba(0,0,0,0.5), transparent 72%);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--green-dark);
  background: #fff;
  border: 1px solid #c8ecd6;
  border-radius: var(--r-pill);
  padding: 0.5em 1.1em;
  box-shadow: 0 4px 14px -6px rgba(0, 184, 80, 0.25);
  margin-bottom: 1.3rem;
}