/* app.butgi.ch design system — tokens copied 1:1 from butgi.ch/assets/css/style.css */

:root {
    --bg: #000000;
    --card-bg: #1C1C1E;
    --card-border: #2C2C2E;
    --text: #FFFFFF;
    --text-secondary: #8E8E93;
    --accent: #4D9FFF;
    --accent-text: #FFFFFF;
    --success: #30D158;
    --warning: #FF9F0A;
    --danger: #FF453A;
    --on-color: #FFFFFF;

    --radius-card: 20px;
    --radius-item: 14px;
    --radius-btn: 12px;

    --font: system-ui, -apple-system, 'SF Pro Display', 'Segoe UI', sans-serif;

    --ease: cubic-bezier(0.2, 0.8, 0.2, 1);

    color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
p { margin: 0; color: var(--text-secondary); line-height: 1.5; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* --- Section headers --- */
.eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-align: center;
    margin: 0 0 8px;
}
.section-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-align: center;
    margin: 0 0 40px;
}
section { padding: 72px 0; }

/* --- Scroll-reveal --- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* --- Hero --- */
.hero {
    padding: 64px 0 56px;
    text-align: center;
}
.hero-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 28px;
    border-radius: 27px;
    display: block;
    box-shadow: 0 20px 50px -12px color-mix(in srgb, var(--accent) 45%, transparent);
}
@media (min-width: 640px) {
    .hero-icon { width: 150px; height: 150px; border-radius: 34px; }
}
.hero-wordmark {
    font-size: 44px;
    font-weight: 700;
    letter-spacing: -1px;
    margin: 0 0 12px;
}
@media (min-width: 640px) {
    .hero-wordmark { font-size: 56px; }
}
.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 420px;
    margin: 0 auto 32px;
}
.hero-cta { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.hero-fineprint { margin-top: 18px; font-size: 0.8rem; color: var(--text-secondary); }

/* --- Buttons (matches butgi.ch .btn system) --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-btn);
    padding: 15px 28px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    background: var(--card-bg);
    color: var(--text);
    transition: transform 0.12s var(--ease), filter 0.15s var(--ease), background-color 0.15s var(--ease), opacity 0.15s var(--ease);
}
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-primary:hover { filter: brightness(1.08); }
.btn:not(.btn-primary):hover { background-color: var(--card-border); }
.btn-disabled {
    background: var(--card-bg);
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
    cursor: default;
    pointer-events: none;
    opacity: 0.7;
}

/* --- Feature cards --- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-card);
    padding: 24px;
}
.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
@media (min-width: 720px) {
    .feature-grid { grid-template-columns: repeat(3, 1fr); }
}
.feature-card { text-align: left; }
.feature-emoji { font-size: 2rem; margin-bottom: 14px; display: block; }
.feature-card h3 { margin: 0 0 8px; font-size: 1.05rem; font-weight: 700; }
.feature-card p { font-size: 0.9rem; }

/* --- Screenshots / phone mockups --- */
.phone-row {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding: 8px 20px 24px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
}
.phone-row::-webkit-scrollbar { display: none; }
.phone-item {
    flex-shrink: 0;
    scroll-snap-align: center;
    text-align: center;
}
.phone-frame {
    width: 220px;
    height: 460px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 36px;
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
}
.phone-notch {
    width: 90px;
    height: 22px;
    background: var(--bg);
    border-radius: 12px;
    margin: 0 auto 16px;
}
.phone-screen {
    flex: 1;
    background: var(--bg);
    border-radius: 18px;
    padding: 18px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: left;
    overflow: hidden;
}
.phone-screen-title { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.phone-screen-line {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    color: var(--text-secondary);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 8px 10px;
}
.phone-screen-line .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.phone-label {
    margin-top: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* --- Platforms --- */
.platform-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 560px;
    margin: 0 auto;
}
@media (min-width: 560px) {
    .platform-grid { grid-template-columns: 1fr 1fr; }
}
.platform-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.platform-glyph { font-size: 2.4rem; }
.platform-card h3 { margin: 0; font-size: 1.05rem; font-weight: 700; }
.status-badge { display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 0.78rem; font-weight: 700; }
.status-orange { background: color-mix(in srgb, var(--warning) 15%, transparent); color: var(--warning); }
.status-green { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); }
.status-grey { background: color-mix(in srgb, var(--text-secondary) 18%, transparent); color: var(--text-secondary); }

/* --- App details --- */
.details-card { max-width: 640px; margin: 0 auto; }
.details-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.details-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text);
}
.details-list li::before {
    content: "✓";
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

/* --- Footer --- */
footer {
    padding: 40px 0 48px;
    text-align: center;
    border-top: 1px solid var(--card-border);
}
footer .footer-tagline { font-size: 0.9rem; margin-bottom: 12px; }
footer .footer-links { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; font-size: 0.85rem; margin-bottom: 12px; }
footer .footer-links span { color: var(--card-border); }
footer .footer-copy { font-size: 0.78rem; color: var(--text-secondary); }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
    .reveal { opacity: 1; transform: none; }
}