:root {
    --bg: #070707;
    --surface: #0e0e0e;
    --border: #1c1c1c;
    --border-mid: #282828;
    --amber: #e89a0a;
    --amber-bright: #ffb020;
    --text: #f5f0e8;
    --text-dim: #c8c2b8;
    --text-muted: #9a9490;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Azeret Mono', monospace;
    font-weight: 400;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Grain overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    opacity: 0.035;
    pointer-events: none;
    z-index: 999;
}

/* ─── HERO ─── */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem 6rem;
    overflow: hidden;
}

/* Ambient breathing orb */
.orb {
    position: absolute;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(232, 154, 10, 0.22) 0%,
            rgba(232, 154, 10, 0.07) 35%,
            transparent 65%);
    pointer-events: none;
    animation: breathe 7s ease-in-out infinite;
}

@keyframes breathe {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.75;
    }

    50% {
        transform: scale(1.12);
        opacity: 1;
    }
}

/* Secondary haze ring */
.orb-ring {
    position: absolute;
    width: 900px;
    height: 900px;
    border-radius: 50%;
    background: radial-gradient(circle,
            transparent 45%,
            rgba(232, 154, 10, 0.03) 60%,
            transparent 70%);
    pointer-events: none;
    animation: breathe 7s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 820px;
}

.eyebrow {
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.35em;
    color: var(--amber);
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    opacity: 0;
    animation: fadeUp 0.6s 0.1s ease forwards;
}

.app-name {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 900;
    font-size: clamp(6.5rem, 22vw, 15rem);
    line-height: 0.85;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--text);
    opacity: 0;
    animation: fadeUp 0.7s 0.2s ease forwards;
}

.app-name .accent {
    color: var(--amber);
}

.tagline {
    margin-top: 2.25rem;
    font-size: clamp(0.78rem, 1.4vw, 0.92rem);
    font-weight: 300;
    font-style: italic;
    color: var(--text);
    line-height: 2;
    opacity: 0;
    animation: fadeUp 0.7s 0.35s ease forwards;
}

/* ─── BUTTONS ─── */
.download-row {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 3rem;
    opacity: 0;
    animation: fadeUp 0.7s 0.5s ease forwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    height: 40px;
    padding: 0 1.4rem;
    box-sizing: border-box;
    font-family: 'Azeret Mono', monospace;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-decoration: none;
    border-radius: 3px;
    transition: all 0.18s ease;
    white-space: nowrap;
    cursor: pointer;
}

.btn-amber {
    background: var(--amber);
    color: #000;
    border: 1px solid var(--amber);
}

.btn-amber:hover {
    background: var(--amber-bright);
    border-color: var(--amber-bright);
    box-shadow: 0 0 28px rgba(232, 154, 10, 0.35);
}

.btn-outline {
    background: #1e1a10;
    color: var(--text);
    border: 1px solid #5a4e30;
}

.btn-outline:hover {
    background: #2a2214;
    border-color: var(--amber);
    color: var(--amber-bright);
}

.btn-ghost {
    background: #181818;
    color: var(--text-dim);
    border: 1px solid #3a3530;
}

.btn-ghost:hover {
    background: #202020;
    color: var(--text);
    border-color: #5a5550;
}

.btn.disabled {
    opacity: 0.38;
    pointer-events: none;
}

.badge {
    font-size: 0.5rem;
    padding: 0.12rem 0.35rem;
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-muted);
    border-radius: 2px;
    letter-spacing: 0.1em;
}

.icon {
    width: 15px;
    height: 15px;
    fill: currentColor;
    flex-shrink: 0;
}

/* F-Droid official badge — self-contained graphic, sized to match buttons */
.fdroid-badge {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.18s ease;
}

.fdroid-badge:hover {
    opacity: 0.85;
}

.fdroid-badge img {
    display: block;
    height: 60px;
    width: auto;
}

/* ─── DIVIDER ─── */
hr {
    border: none;
    border-top: 1px solid var(--border);
}

/* ─── COMPATIBILITY STRIP ─── */
.compat-strip {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.compat-item {
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.compat-item span {
    color: var(--text-dim);
}

/* ─── SECTION WRAPPER ─── */
.section {
    padding: 5rem 2rem;
    max-width: 920px;
    margin: 0 auto;
}

.section-label {
    font-size: 0.58rem;
    letter-spacing: 0.4em;
    color: var(--amber);
    text-transform: uppercase;
    margin-bottom: 3rem;
}

/* ─── FEATURES GRID ─── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid var(--border);
    background: var(--border);
    gap: 1px;
}

.feature-card {
    background: var(--bg);
    padding: 2.5rem 1.75rem;
    transition: background 0.2s;
}

.feature-card:hover {
    background: var(--surface);
}

.feature-glyph {
    font-size: 1.6rem;
    line-height: 1;
    color: var(--amber);
    margin-bottom: 1.4rem;
    display: block;
    opacity: 0.85;
}

.feature-title {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 0.65rem;
}

.feature-desc {
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--text-dim);
    line-height: 1.85;
}

/* ─── STEPS ─── */
.steps-list {
    display: grid;
    gap: 0;
    margin-top: 2rem;
}

.step {
    display: grid;
    grid-template-columns: 5rem 1fr;
    gap: 1.5rem;
    padding: 2.25rem 0;
    border-bottom: 1px solid var(--border);
    align-items: start;
}

.step:first-child {
    border-top: 1px solid var(--border);
}

.step-num {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 900;
    font-size: 4rem;
    line-height: 1;
    color: var(--border-mid);
    padding-top: 0.1rem;
}

.step-title {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.5rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.step-desc {
    font-size: 0.74rem;
    font-weight: 300;
    color: var(--text-dim);
    line-height: 1.85;
}

.step-code {
    display: inline-block;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.1rem 0.45rem;
    border-radius: 2px;
    font-size: 0.68rem;
    color: var(--amber);
    margin-top: 0.5rem;
}

/* ─── PERMISSION CARD ─── */
.perm-card {
    border: 1px solid var(--border);
    padding: 2rem;
    margin-top: 2rem;
    display: grid;
    grid-template-columns: 2.5rem 1fr;
    gap: 1.5rem;
    align-items: start;
}

.perm-dot {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    border: 1px solid var(--border-mid);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--amber);
    flex-shrink: 0;
}

.perm-name {
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--amber);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.perm-desc {
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--text-dim);
    line-height: 1.85;
}

/* ─── SCREENSHOTS ─── */
.screenshots-track {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--border-mid) transparent;
}

.screenshots-track::-webkit-scrollbar {
    height: 4px;
}

.screenshots-track::-webkit-scrollbar-track {
    background: transparent;
}

.screenshots-track::-webkit-scrollbar-thumb {
    background: var(--border-mid);
    border-radius: 2px;
}

.screenshot {
    flex-shrink: 0;
    width: 220px;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    transition: border-color 0.18s;
}

.screenshot:hover {
    border-color: var(--border-mid);
}

.screenshot img {
    width: 100%;
    height: auto;
    display: block;
}

/* ─── FOOTER ─── */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 100%;
}

.footer-left {
    font-size: 0.62rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    font-size: 0.62rem;
    color: var(--text-muted);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.18s;
}

.footer-links a:hover {
    color: var(--amber);
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 700px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .download-row {
        flex-direction: column;
        align-items: stretch;
    }

    .btn,
    .fdroid-badge {
        justify-content: center;
    }

    .step {
        grid-template-columns: 3.5rem 1fr;
        gap: 1rem;
    }

    .step-num {
        font-size: 3rem;
    }

    .perm-card {
        grid-template-columns: 1fr;
    }

    footer {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .compat-strip {
        gap: 1.5rem;
    }
}