/* «Дневник хвостов» — лендинг. Стиль повторяет приложение: тёплая бумага,
   фиолетовый акцент, скруглённые карточки, акварельные иконки, Nunito. */
@font-face { font-family: Nunito; src: url(fonts/Nunito-Regular.ttf); font-weight: 400; font-display: swap; }
@font-face { font-family: Nunito; src: url(fonts/Nunito-SemiBold.ttf); font-weight: 600; font-display: swap; }
@font-face { font-family: Nunito; src: url(fonts/Nunito-Bold.ttf); font-weight: 700; font-display: swap; }
@font-face { font-family: Nunito; src: url(fonts/Nunito-ExtraBold.ttf); font-weight: 800; font-display: swap; }

:root {
  --bg: #fbf5e9;
  --bg-img: url(img/light_bg.webp);
  --ink: #2f2a3a;
  --muted: #6f6680;
  --accent: #7e5ba8;
  --accent-ink: #ffffff;
  --accent-soft: #efe7f7;
  --card: rgba(255, 255, 255, .84);
  --card-border: rgba(126, 91, 168, .10);
  --shadow: 0 6px 24px rgba(80, 60, 110, .10);
  --warn-bg: #fff1ef;
  --warn: #d9534f;
  --radius: 22px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1d1924; --bg-img: url(img/dark_bg.webp); --ink: #efe9f7; --muted: #aba0be;
    --accent: #b896e6; --accent-ink: #1d1924; --accent-soft: rgba(184,150,230,.16);
    --card: rgba(46, 40, 58, .86); --card-border: rgba(184,150,230,.14);
    --shadow: 0 6px 24px rgba(0,0,0,.35); --warn-bg: rgba(217,83,79,.14);
  }
}
:root[data-theme="dark"] {
  --bg: #1d1924; --bg-img: url(img/dark_bg.webp); --ink: #efe9f7; --muted: #aba0be;
  --accent: #b896e6; --accent-ink: #1d1924; --accent-soft: rgba(184,150,230,.16);
  --card: rgba(46, 40, 58, .86); --card-border: rgba(184,150,230,.14);
  --shadow: 0 6px 24px rgba(0,0,0,.35); --warn-bg: rgba(217,83,79,.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; font-family: Nunito, system-ui, sans-serif; color: var(--ink); line-height: 1.55;
  background: var(--bg) var(--bg-img) center top / 1200px auto repeat;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; font-weight: 700; }
.wrap { width: min(1140px, 100% - 32px); margin-inline: auto; }

/* Шапка */
.top { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid var(--card-border); }
.top .wrap { display: flex; align-items: center; gap: 18px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 18px; }
.brand img { width: 38px; height: 38px; border-radius: 11px; }
.nav { display: flex; gap: 18px; margin-left: auto; }
.nav a { color: var(--muted); font-weight: 700; font-size: 15px; }
.nav a:hover { color: var(--accent); }
.theme { border: 1px solid var(--card-border); background: var(--card); color: var(--ink); width: 40px; height: 40px;
  border-radius: 50%; cursor: pointer; font-size: 18px; }
.btn { display: inline-flex; align-items: center; gap: 10px; border-radius: 999px; padding: 13px 22px; font-weight: 800;
  background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow); border: 0; cursor: pointer; font-size: 16px; }
.btn.ghost { background: var(--card); color: var(--accent); border: 1px solid var(--card-border); }
.btn small { display: block; font-weight: 600; font-size: 11px; opacity: .8; line-height: 1.1; }
.btn .store { line-height: 1.1; text-align: left; }
.top .btn { padding: 9px 18px; font-size: 15px; }
.burger { display: none; }

/* Hero */
.hero { padding: 64px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 28px; align-items: center; }
.kicker { font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.02; margin: 10px 0 18px; font-weight: 800; letter-spacing: -.01em; }
h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.12; margin: 8px 0 14px; font-weight: 800; }
h3 { font-size: 19px; margin: 0 0 6px; font-weight: 800; line-height: 1.25; }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 26px; }
.chip { background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 14px; padding: 6px 14px; border-radius: 999px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.trust { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 22px; color: var(--muted); font-weight: 700; font-size: 14px; }
.trust span::before { content: "✓ "; color: var(--accent); }
.phones { position: relative; height: 580px; }
.phones img { position: absolute; width: 215px; filter: drop-shadow(0 18px 28px rgba(60,40,90,.18)); }
.phones .p1 { left: -8px; top: 80px; transform: rotate(-8deg); }
.phones .p2 { left: 50%; top: 0; transform: translateX(-50%); width: 265px; z-index: 2; }
.phones .p3 { right: -8px; top: 80px; transform: rotate(8deg); }

/* Секции */
section { padding: 56px 0; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { text-align: center; }
.stat b { display: block; font-size: 42px; line-height: 1; color: var(--accent); font-weight: 800; }
.stat span { color: var(--muted); font-weight: 700; font-size: 14px; }
.pains { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 26px; }
.pains .card p { margin: 0; color: var(--muted); font-size: 15px; }
.answer { display: flex; gap: 20px; align-items: center; margin-top: 20px; background: var(--accent-soft); }
.answer img { width: 84px; height: 84px; border-radius: 22px; flex: none; }

.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.split.rev { grid-template-columns: .9fr 1.1fr; }
.split.rev .media { order: -1; }
.media { display: flex; justify-content: center; gap: 18px; }
.media img { width: 270px; filter: drop-shadow(0 18px 28px rgba(60,40,90,.16)); }
.media.duo img { width: 230px; }
.media.duo img:nth-child(2) { margin-top: 48px; }

.ticks { list-style: none; padding: 0; margin: 14px 0 0; }
.ticks li { position: relative; padding-left: 32px; margin-bottom: 11px; font-size: 16.5px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9.5 16.2 5.8 12.5l-1.4 1.4 5.1 5.1 10-10-1.4-1.4z'/></svg>") center/90% no-repeat; }
.feats { display: grid; gap: 14px; margin-top: 16px; }
.feat { display: flex; gap: 16px; align-items: flex-start; }
.feat img { width: 62px; height: 62px; border-radius: 16px; flex: none; box-shadow: 0 2px 8px rgba(80,60,110,.16); }
.feat p { margin: 0; color: var(--muted); font-size: 15.5px; }
.warn { background: var(--warn-bg); border-left: 5px solid var(--warn); border-radius: 14px; padding: 14px 18px; margin-top: 18px; font-size: 15.5px; }

.diaries { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.tile { padding: 18px; }
.tile img { width: 64px; height: 64px; border-radius: 16px; margin-bottom: 10px; }
.tile h3 { font-size: 17px; }
.tile p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.45; }

.pets { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; margin-top: 24px; }
.pets figure { margin: 0; text-align: center; font-weight: 700; color: var(--muted); font-size: 14px; }
.pets img { width: 96px; height: 96px; border-radius: 50%; border: 3px solid var(--card-border); background: var(--card); margin-bottom: 6px; }

.gallery { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 10px 4px 26px; margin-top: 18px; }
.gallery figure { margin: 0; flex: none; width: 230px; scroll-snap-align: start; text-align: center; }
.gallery img { width: 230px; filter: drop-shadow(0 12px 18px rgba(60,40,90,.14)); }
.gallery figcaption { margin-top: 6px; font-weight: 700; color: var(--muted); font-size: 14px; }
.gal-nav { display: flex; justify-content: center; gap: 10px; }
.gal-nav button { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--card-border); background: var(--card); color: var(--accent); font-size: 20px; cursor: pointer; }

.privacy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.faq { max-width: 820px; margin: 22px auto 0; display: grid; gap: 12px; }
.faq details { background: var(--card); border: 1px solid var(--card-border); border-radius: 18px; padding: 16px 20px; box-shadow: var(--shadow); }
.faq summary { font-weight: 800; cursor: pointer; font-size: 17px; list-style: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 10px 0 0; color: var(--muted); }

.final { background: var(--accent); color: var(--accent-ink); border-radius: 32px; padding: 46px 32px; text-align: center; box-shadow: var(--shadow); }
.final h2 { margin-top: 0; }
.final p { opacity: .9; font-size: 18px; margin: 0 auto 22px; max-width: 620px; }
.final .btn { background: var(--accent-ink); color: var(--accent); }
.support { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.support .card p { color: var(--muted); margin: 6px 0 10px; font-size: 15px; }
.support .card { display: flex; flex-direction: column; align-items: flex-start; }
.support .card .btn { margin-top: auto; padding: 11px 20px; font-size: 15px; }

footer { padding: 34px 0 44px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between; align-items: center; }

/* Появление при прокрутке */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* Адаптив */
@media (max-width: 980px) {
  .hero .wrap, .split, .split.rev { grid-template-columns: 1fr; }
  .split.rev .media { order: 0; }
  .phones { height: 470px; max-width: 520px; margin: 0 auto; width: 100%; }
  .phones img { width: 190px; } .phones .p2 { width: 230px; }
  .diaries, .pains { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .privacy, .support { grid-template-columns: 1fr; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--card-border); padding: 8px 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; }
  .burger { display: inline-grid; place-items: center; margin-left: auto; width: 40px; height: 40px; border-radius: 12px;
    border: 1px solid var(--card-border); background: var(--card); color: var(--ink); font-size: 20px; cursor: pointer; }
  .top .btn { display: none; }
}
@media (max-width: 560px) {
  .hero { padding-top: 34px; }
  .phones { height: 380px; }
  .phones img { width: 150px; top: 46px; } .phones .p2 { width: 180px; top: 0; }
  .diaries, .pains { grid-template-columns: 1fr; }
  .media img { width: 220px; } .media.duo img { width: 46%; } .media.duo img:nth-child(2) { margin-top: 30px; }
  .answer { flex-direction: column; text-align: center; }
  section { padding: 40px 0; }
  .final { padding: 34px 20px; border-radius: 24px; }
}