/**
 * Fokal Mobile Design Standards
 * Consistent colors, backgrounds, and component styles across all pages
 * Mobile-first approach with desktop overrides where needed
 */

/* ============================================
   CSS Variables - Fokal Design System
   ============================================ */
:root {
    /* Backgrounds */
    --bg-dark: #0E0E10;
    --bg-panel: #161618;
    --bg-gradient: linear-gradient(180deg, #0E0E10 0%, #0A0B0D 100%);

    /* Cards & Surfaces */
    --card-bg: rgba(17, 24, 32, 0.8);
    --card-bg-hover: rgba(17, 24, 32, 0.95);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-border-hover: rgba(255, 255, 255, 0.12);

    /* Text Colors */
    --text-primary: #E5E9F0;
    --text-secondary: #C6CDD8;
    --text-muted: #9DA6B5;
    --text-subtle: #8A93A1;

    /* Brand Colors */
    --accent-blue: #4AC0FF;
    --accent-green: #00E676;
    --accent-amber: #FFA726;

    /* Borders & Dividers */
    --border-color: #1A2230;
    --border-subtle: rgba(255, 255, 255, 0.08);
}

/* ============================================
   Global Styles
   ============================================ */
body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
    line-height: 1.6;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.8;
}

/* ============================================
   Cards & Containers
   ============================================ */
.card,
.feature-card,
.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.card:hover,
.feature-card:hover {
    background: var(--card-bg-hover);
    border-color: var(--card-border-hover);
}

/* Note: .problem-card-visual has its own specific styles in index.html - don't override */

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, #7FBFF2 100%);
    color: #FFFFFF;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    font-family: 'DM Sans', sans-serif;
    letter-spacing: -0.01em;
    box-shadow: 0 4px 16px rgba(74, 192, 255, 0.35);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(74, 192, 255, 0.45);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-family: 'DM Sans', sans-serif;
    border: 1px solid var(--card-border);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--card-border-hover);
}

/* ============================================
   Mobile Optimizations
   ============================================ */
@media (max-width: 768px) {
    body {
        font-size: 16px; /* Prevent iOS zoom on input focus */
    }

    /* Ensure consistent padding on mobile */
    .container,
    .container-wide {
        padding: 0 20px;
    }

    /* Cards have more breathing room on mobile */
    .card,
    .feature-card {
        border-radius: 20px;
        padding: 24px;
    }

    /* Note: .problem-card-visual excluded - has its own layout without padding */

    /* Buttons are touch-friendly */
    .btn-primary,
    .btn-secondary {
        min-height: 48px;
        padding: 14px 24px;
        font-size: 16px;
    }

    /* Text stays readable */
    h1 {
        font-size: 32px;
        line-height: 1.2;
    }

    h2 {
        font-size: 28px;
        line-height: 1.3;
    }

    h3 {
        font-size: 22px;
        line-height: 1.4;
    }

    p {
        font-size: 16px;
        line-height: 1.6;
        color: var(--text-secondary);
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-blue); }

.bg-dark { background: var(--bg-dark); }
.bg-panel { background: var(--bg-panel); }
.bg-gradient { background: var(--bg-gradient); }

.border-subtle { border-color: var(--border-subtle); }

/* Mobile line breaks - shown on all screen sizes */
.mobile-br {
    display: block;
}