/* KamLynk website — colors from the app logo and theme (qml/Theme.qml). */
:root {
    --bg: #111214;
    --bg-alt: #16181c;
    --panel: #1b1d21;
    --panel-raised: #24272c;
    --border: #2f333a;
    --text: #eceef1;
    --text-dim: #9097a1;
    --accent: #ff7a1a;
    --accent-strong: #ff8c3a;
    --accent-soft: rgba(255, 122, 26, 0.14);
    --record: #e5322d;
    --radius: 14px;
    --max: 1120px;
    color-scheme: dark;
}

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

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

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans",
                 Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

code {
    font-family: ui-monospace, "DejaVu Sans Mono", Menlo, Consolas, monospace;
    font-size: 0.88em;
    background: var(--panel-raised);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.1em 0.4em;
}

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.skip-link {
    position: absolute; left: -999px; top: 8px;
    background: var(--accent); color: #111; padding: 8px 14px; border-radius: 8px; z-index: 100;
}
.skip-link:focus { left: 8px; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(17, 18, 20, 0.85);
    backdrop-filter: saturate(150%) blur(12px);
    -webkit-backdrop-filter: saturate(150%) blur(12px);
    border-bottom: 1px solid var(--border);
}
.site-header .container { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 19px; }
.brand:hover { color: var(--text); text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav a { color: var(--text-dim); font-size: 15px; }
.nav a:hover { color: var(--text); text-decoration: none; }
.lang-switch {
    display: inline-flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; font-size: 13px;
}
.lang-switch a, .lang-switch span { padding: 4px 11px; color: var(--text-dim); }
.lang-switch [aria-current] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.lang-switch a:hover { color: var(--text); text-decoration: none; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 13px 20px; border-radius: 999px; font-weight: 600; font-size: 16px;
    border: 1px solid transparent; transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-primary { background: var(--accent); color: #16181c; box-shadow: 0 8px 28px rgba(255, 122, 26, 0.28); }
.btn-primary:hover { background: var(--accent-strong); color: #16181c; }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--panel); }
.btn-ghost:hover { border-color: #454a53; color: var(--text); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 40px; }
.hero::before {
    content: ""; position: absolute; inset: -40% -10% auto auto; width: 720px; height: 720px;
    background: radial-gradient(circle, rgba(255, 122, 26, 0.20), transparent 62%);
    pointer-events: none;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1fr; gap: 48px; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-dim);
    border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; background: var(--panel);
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--record); box-shadow: 0 0 0 4px rgba(229, 50, 45, 0.18); }
.hero h1 {
    font-size: clamp(2.2rem, 5.4vw, 3.8rem); line-height: 1.08; letter-spacing: -0.025em;
    margin: 18px 0 18px; max-width: 16ch;
}
.hero h1 .accent { color: var(--accent); }
.hero .lead { font-size: 1.18rem; color: var(--text-dim); max-width: 58ch; margin: 0 0 30px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta .btn { white-space: nowrap; }
.cta-note { margin-top: 14px; font-size: 14px; color: var(--text-dim); }
.shot {
    border-radius: 18px; overflow: hidden; border: 1px solid var(--border);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.02);
    background: var(--panel);
}

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 680px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 12px; }
.section-head p { color: var(--text-dim); margin: 0; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card {
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px;
}
.card h3 { margin: 14px 0 6px; font-size: 1.08rem; }
.card p { margin: 0; color: var(--text-dim); font-size: 15.5px; }
.icon {
    width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
    background: var(--accent-soft); color: var(--accent);
}
.icon svg { width: 24px; height: 24px; }

.steps { counter-reset: step; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.step { position: relative; padding-top: 58px; }
.step::before {
    counter-increment: step; content: counter(step);
    position: absolute; top: 22px; left: 24px; width: 30px; height: 30px; border-radius: 50%;
    display: grid; place-items: center; font-weight: 700; font-size: 15px; background: var(--accent); color: #16181c;
}
.step h3 { margin-top: 0; }
.step ol, .step ul { margin: 8px 0 0; padding-left: 20px; color: var(--text-dim); font-size: 15.5px; }
.step li + li { margin-top: 4px; }

.compat { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; padding: 0; list-style: none; }
.tags li {
    font-size: 14px; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--border);
    background: var(--panel-raised); color: var(--text);
}

/* FAQ */
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--border); padding: 4px 0; }
.faq summary {
    cursor: pointer; list-style: none; font-weight: 600; padding: 16px 32px 16px 0; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+"; position: absolute; right: 4px; top: 12px; font-size: 24px; color: var(--accent); font-weight: 400;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 18px; color: var(--text-dim); }

/* Download band */
.download-band { text-align: center; }
.download-band .section-head { margin: 0 auto 28px; }
.download-band .cta { justify-content: center; }
.checksum { font-size: 14px; color: var(--text-dim); margin-top: 18px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0 48px; color: var(--text-dim); font-size: 14.5px; }
.site-footer .container { display: grid; gap: 18px; }
.footer-top { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 0; padding: 0; list-style: none; }
.footer-links a { color: var(--text-dim); }
.footer-links a:hover { color: var(--text); }
.also {
    display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px;
    background: var(--accent-soft); color: var(--text); border: 1px solid rgba(255, 122, 26, 0.35);
}
.also a { font-weight: 700; }
.disclaimer { margin: 0; font-size: 13px; line-height: 1.55; }

/* Language suggestion */
.lang-hint {
    display: none; position: fixed; right: 16px; bottom: 16px; z-index: 60; max-width: 340px;
    background: var(--panel-raised); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 14px 16px; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5); font-size: 15px;
}
.lang-hint.show { display: flex; gap: 12px; align-items: center; }
.lang-hint button {
    background: none; border: 0; color: var(--text-dim); font-size: 20px; cursor: pointer; padding: 0 4px; line-height: 1;
}

@media (min-width: 960px) {
    .hero { padding: 96px 0 56px; }
    .hero .container { grid-template-columns: 1fr 1fr; align-items: center; }
    .grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
    body { font-size: 16px; }
    .nav .nav-link { display: none; }
    .site-header .container { gap: 12px; }
    section { padding: 56px 0; }
    .hero { padding-top: 48px; }
    .btn { width: 100%; }
    .cta { flex-direction: column; align-items: stretch; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn { transition: none; }
    .btn:hover { transform: none; }
}