@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ===== Design System Unificado - Zipn4 ===== */
:root {
    --bg-primary: #f0f2f5;
    --bg-card: #ffffff;
    --bg-surface: #f8f9fb;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --border: rgba(15, 23, 42, 0.08);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 10px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0b0f1a;
        --bg-card: #141925;
        --bg-surface: #1a2035;
        --text-primary: #f1f5f9;
        --text-secondary: #94a3b8;
        --text-muted: #64748b;
        --accent: #818cf8;
        --accent-hover: #6366f1;
        --accent-glow: rgba(129, 140, 248, 0.2);
        --border: rgba(255, 255, 255, 0.06);
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
        --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    }
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-image:
        radial-gradient(ellipse 800px 600px at 20% 0%, var(--accent-glow), transparent 60%),
        radial-gradient(ellipse 600px 400px at 80% 100%, rgba(99, 102, 241, 0.06), transparent 50%);
}

/* ===== Landing Page ===== */
.landing-container {
    width: 100%;
    max-width: 520px;
    text-align: center;
}

.landing-header {
    margin-bottom: 48px;
}

.landing-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-radius: 20px;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px var(--accent-glow);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.landing-logo svg {
    width: 36px;
    height: 36px;
    color: white;
}

.landing-header h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-header p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Cards de Seleção ===== */
.selection-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 48px;
}

.selection-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px 20px;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;

    /* Glassmorphism */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);

    /* Animação de entrada */
    opacity: 0;
    transform: translateY(20px);
    animation: cardFadeUp 0.6s ease forwards;
}

.selection-card:nth-child(1) { animation-delay: 0.1s; }
.selection-card:nth-child(2) { animation-delay: 0.25s; }

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

.selection-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.selection-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 40px var(--accent-glow), var(--shadow-lg);
}

.selection-card:hover::before {
    opacity: 1;
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    margin-bottom: 20px;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.selection-card:hover .card-icon {
    transform: scale(1.1);
}

.card-icon.ciabra {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(16, 185, 129, 0.05));
    color: #10b981;
}

.card-icon.mistic {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(139, 92, 246, 0.05));
    color: #8b5cf6;
}

@media (prefers-color-scheme: dark) {
    .card-icon.ciabra {
        background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.08));
    }
    .card-icon.mistic {
        background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.08));
    }
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.card-description {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.card-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-surface);
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.selection-card:hover .card-arrow {
    background: var(--accent);
    color: white;
    transform: translateX(4px);
}

/* ===== Footer ===== */
.landing-footer {
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.03em;
}

.landing-footer a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

.landing-footer a:hover {
    opacity: 0.8;
}

/* ===== Responsividade ===== */
@media (max-width: 480px) {
    .selection-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .selection-card {
        padding: 24px 20px;
    }

    .landing-header h1 {
        font-size: 1.65rem;
    }

    .landing-header {
        margin-bottom: 36px;
    }
}