/* The landing pages (/welcome, /welcome-ru): plain HTML, no scripts, the app's colours and font.
   Inter is preloaded and text waits for it (font-display: block), so the page never redraws
   in another font after it appears. */
@font-face {
    font-family: Inter;
    src: url("/composeResources/com.heima.resources/font/inter.ttf") format("truetype");
    font-weight: 100 900;
    font-display: block;
}

:root {
    color-scheme: dark;
    --ink: #0C0E15;
    --text: #ECEFF5;
    --muted: #B9BFCE;
    --dim: #8E95A8;
    --rose: #FF5376;
    --rose-soft: #FF8FA6;
    --violet: #8B5CF6;
    --violet-soft: #B9A2FF;
    --amber: #F6D365;
    --line: rgba(255, 255, 255, 0.1);
    --card: rgba(255, 255, 255, 0.045);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background:
        radial-gradient(circle at 12% 8%, rgba(255, 83, 118, 0.18), transparent 38%),
        radial-gradient(circle at 92% 30%, rgba(139, 92, 246, 0.2), transparent 40%),
        var(--ink);
    color: var(--text);
    font: 500 17px/1.6 Inter, -apple-system, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--rose-soft); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

header.top {
    display: flex; align-items: center; justify-content: space-between;
    padding: 22px 0;
}

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand img { width: 40px; height: 40px; }
.brand span { font-weight: 800; font-size: 21px; letter-spacing: -0.015em; }
.brand b { color: var(--rose); font-weight: 800; }

.nav { display: flex; align-items: center; gap: 18px; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px; }

.button {
    display: inline-block; padding: 14px 26px; border-radius: 999px;
    background: var(--rose); color: #2B0010; font-weight: 800; text-decoration: none;
}
.button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.nav .button { padding: 10px 18px; font-size: 15px; color: #2B0010; }

.hero { padding: 72px 0 56px; display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.kicker { text-transform: uppercase; letter-spacing: 0.14em; font-weight: 700; font-size: 13px; color: var(--rose-soft); }
h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.04; letter-spacing: -0.035em; margin: 14px 0 20px; font-weight: 800; color: #FFFFFF; }
.lead { font-size: 20px; color: var(--muted); max-width: 34em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.note { color: var(--dim); font-size: 14px; margin-top: 14px; }

.scene {
    border: 1px solid var(--line); border-radius: 28px; padding: 28px;
    background: linear-gradient(160deg, #1B1A3F, #0D1024 60%, #080A14);
    display: grid; gap: 14px;
}
.pill {
    display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px;
    background: rgba(255, 255, 255, 0.07); border: 1px solid var(--line); font-weight: 600; font-size: 14px; width: fit-content;
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: #34D399; }
.frames { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.frame {
    aspect-ratio: 3 / 4; border-radius: 18px; border: 1px solid var(--line);
    display: grid; place-items: end start; padding: 12px; font-weight: 700; font-size: 14px;
}
.frame.you { background: radial-gradient(circle at 50% 35%, rgba(255, 83, 118, 0.35), rgba(255, 83, 118, 0.06) 60%); }
.frame.them { background: radial-gradient(circle at 50% 35%, rgba(139, 92, 246, 0.38), rgba(139, 92, 246, 0.06) 60%); }

section { padding: 56px 0; }
h2 { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -0.025em; line-height: 1.12; margin: 0 0 12px; color: #FFFFFF; font-weight: 800; }
.section-lead { color: var(--muted); max-width: 40em; margin: 0 0 28px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 24px; }
.card h3 { margin: 0 0 12px; font-size: 19px; font-weight: 800; }
.card.rose h3 { color: var(--rose-soft); }
.card.violet h3 { color: var(--violet-soft); }
.card.amber h3 { color: var(--amber); }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); }
.card li { margin: 8px 0; }
.card strong { color: var(--text); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step { border-top: 2px solid var(--line); padding-top: 18px; }
.step::before {
    counter-increment: step; content: counter(step);
    display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
    background: rgba(255, 83, 118, 0.16); color: var(--rose-soft); font-weight: 800; margin-bottom: 12px;
}
.step h3 { margin: 0 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); }

.privacy { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

details { border-bottom: 1px solid var(--line); padding: 16px 0; }
summary { cursor: pointer; font-weight: 700; font-size: 18px; }
details p { color: var(--muted); margin: 10px 0 0; }

.closing { text-align: center; padding: 72px 0; }
.closing p { color: var(--muted); }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--dim); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; }
footer a { color: var(--dim); }

@media (max-width: 860px) {
    .hero, .privacy { grid-template-columns: 1fr; }
    .cards, .steps { grid-template-columns: 1fr; }
    .nav a:not(.button) { display: none; }
    .hero { padding-top: 40px; }
}