/* ============================================================
   Mufez — Soul & Performance
   Single viewport landing page
   ============================================================ */

:root {
    --bg: #080a10;
    --text: #e4e7f0;
    --text-muted: #8b9bb4;
    --accent: #5b8cff;
    --accent-dark: #3d6fd8;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    overflow: hidden;
}

/* Global dither noise overlay */
.dither-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 100;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
    mix-blend-mode: overlay;
}

/* Layout wrapper */
.site {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    text-align: center;
}

/* Background image */
.bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
    filter: brightness(0.75) contrast(1.1);
}

.bg-grad {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, rgba(9,9,11,0.3) 0%, rgba(9,9,11,0.65) 100%),
        linear-gradient(to bottom, rgba(9,9,11,0.5) 0%, rgba(9,9,11,0.1) 40%, rgba(9,9,11,0.1) 60%, rgba(9,9,11,0.7) 100%);
}

/* Header */
.top {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    padding: 1.5rem 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
}

.mark { color: var(--accent); font-size: 1.25rem; }

.gh {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-muted);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 0.625rem;
    transition: all 0.2s ease;
}

.gh:hover {
    color: var(--text);
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.14);
}

/* Hero content */
.hero {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    padding: 0 1.5rem;
    max-width: 720px;
}

.loc {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.9;
}

.hero h1 {
    font-family: var(--font-mono);
    font-size: clamp(1.25rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.hl { color: var(--accent); }

.tag {
    font-size: clamp(0.9375rem, 1.8vw, 1.125rem);
    color: var(--text-muted);
    max-width: 420px;
    line-height: 1.6;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent);
    background: rgba(91, 140, 255, 0.06);
    border: 1px solid rgba(91, 140, 255, 0.25);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.btn:hover {
    background: rgba(91, 140, 255, 0.12);
    border-color: rgba(91, 140, 255, 0.45);
}

/* Footer */
.foot {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    padding: 1.25rem 2rem;
}

.copy {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
    letter-spacing: 0.05em;
}

.foot-flag svg {
    border-radius: 2px;
    box-shadow: 0 0 0 1px rgba(255,255,255,0.06);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Mobile */
@media (max-width: 640px) {
    .top, .foot { padding: 1rem 1.25rem; }
    .hero { padding: 0 1.25rem; gap: 1rem; }
    .btn { padding: 0.75rem 1.5rem; font-size: 0.875rem; }
}

@media (prefers-reduced-motion: reduce) {
    .hero { animation: none; opacity: 1; }
}