/* landing.css - Orientation Launcher */
:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg-dark: rgba(15, 23, 42, 0.85);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-main: #f8fafc;
    --text-muted: #cbd5e1;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-title: 'Outfit', var(--font-main);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-main);
    background-color: #0f172a;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Background & Overlay */
.bg-layer {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -2;
    transition: background-image 0.8s ease-in-out;
    filter: scale(1.1); /* Subtle zoom effect */
}

.overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at center, transparent 0%, var(--bg-dark) 100%);
    backdrop-filter: blur(8px);
    z-index: -1;
}

/* Content Container */
.launcher-content {
    width: 100%;
    max-width: 720px;
    padding: 2rem;
    text-align: center;
    z-index: 10;
}

.launcher-header { margin-bottom: 2.5rem; }

.logo-badge {
    font-size: 3rem;
    background: var(--glass-bg);
    width: 80px; height: 80px;
    margin: 0 auto 1.5rem;
    display: flex; align-items: center; justify-content: center;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.3);
}

.app-title {
    font-family: var(--font-title);
    font-size: clamp(2.5rem, 8vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    background: linear-gradient(to bottom right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.app-tagline { color: var(--text-muted); font-size: 1.1rem; }

/* Recommendation Panel */
.recommendation-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.recommendation-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--primary);
    border-radius: 99px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.recommendation-reason {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.5;
}

/* Buttons */
.btn-primary {
    display: flex; align-items: center; justify-content: center; gap: 0.75rem;
    width: 100%;
    padding: 1.25rem;
    background: #fff;
    color: #0f172a;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    margin-bottom: 2rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
    background: #f1f5f9;
}

.btn-arrow { transition: transform 0.3s ease; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.version-switcher { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--glass-border); }
.switcher-label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; }

/* Choice Cards Grid */
.choices-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.choice-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.choice-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.card-title {
    font-weight: 700;
    font-family: var(--font-title);
    font-size: 1.1rem;
}

.card-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Highlight for Recommended Card */
.choice-card.recommended {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.15);
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.3);
    border-width: 2px;
}

#cardPromethean.recommended {
    border-color: #8b5cf6;
    background: rgba(139, 92, 246, 0.15);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

#cardPaysage.recommended {
    border-color: #0ea5e9;
    background: rgba(14, 165, 233, 0.15);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
}

/* Footer */
.help-details { margin-top: 2rem; text-align: left; }
.help-details summary { font-size: 0.85rem; color: var(--text-muted); cursor: pointer; opacity: 0.7; transition: opacity 0.2s; }
.help-details summary:hover { opacity: 1; }
.help-content { margin-top: 0.75rem; font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; }

/* Footer */
.version-footer {
    position: fixed; bottom: 1.5rem; left: 0; width: 100%;
    text-align: center; font-size: 0.75rem; color: var(--text-muted);
    opacity: 0.5;
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

@media (max-width: 640px) {
    .launcher-content { padding: 1.5rem; }
    .recommendation-panel { padding: 1.5rem; }
    .choices-grid { grid-template-columns: 1fr; gap: 1rem; }
    .choice-card { flex-direction: row; text-align: left; padding: 1rem; gap: 1.5rem; }
    .card-icon { font-size: 2rem; margin-bottom: 0; }
}