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

/* CSS Variables - Vibrant palette derived from logo */
:root {
    /* Primary Colors - From Logo Gradient */
    --cyan: #38BDF8;
    --blue: #60A5FA;
    --purple: #A855F7;
    --magenta: #E879F9;
    --violet: #8B5CF6;

    /* Legacy mappings for compatibility */
    --primary: #38BDF8;
    --primary-dark: #0EA5E9;
    --primary-light: #7DD3FC;

    /* Gradients */
    --gradient: linear-gradient(135deg, #38BDF8 0%, #A855F7 50%, #E879F9 100%);
    --gradient-vibrant: linear-gradient(135deg, #38BDF8 0%, #8B5CF6 100%);
    --gradient-accent: linear-gradient(135deg, #60A5FA 0%, #A855F7 100%);
    --gradient-text: linear-gradient(135deg, #38BDF8 0%, #A855F7 40%, #E879F9 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(56, 189, 248, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);

    /* Background - Friendlier dark theme */
    --bg-dark: #0a0a12;
    --bg-card: #12121c;
    --bg-elevated: #1a1a28;

    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;

    /* Borders */
    --border: #1e1e2e;
    --border-light: rgba(255, 255, 255, 0.08);

    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-bg-hover: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.15);
    --glass-highlight: rgba(255, 255, 255, 0.05);

    /* Glow Effects */
    --glow-cyan: rgba(56, 189, 248, 0.4);
    --glow-purple: rgba(168, 85, 247, 0.4);
    --glow-magenta: rgba(232, 121, 249, 0.3);
}

/* Base Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    position: relative;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    position: relative;
    z-index: 100;
}

.site-header {
    padding: 1rem 0;
    background: rgba(10, 10, 18, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-cta {
    padding: 0.75rem 1.5rem;
    background: var(--cyan);
    color: #0a0a12;
    text-decoration: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 15px var(--glow-cyan);
}

.nav-cta:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--glow-cyan);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-light);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-visual {
    width: 36px;
    height: 36px;
    background-image: url('/img/fileo-logo-visual.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: left center;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.logo-text {
    margin-left: 8px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Button Styles */
.btn-primary {
    padding: 1rem 2rem;
    background: var(--cyan);
    color: #0a0a12;
    text-decoration: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 20px var(--glow-cyan);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 0 35px var(--glow-cyan), 0 0 60px rgba(56, 189, 248, 0.2);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    padding: 1rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    text-decoration: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
    border-color: var(--glass-border-hover);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.1);
}

/* Footer */
footer {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

/* Footer Grid Layout */
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

/* Brand Section */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 320px;
}

.footer-logo-link {
    text-decoration: none;
    width: fit-content;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-logo-link:hover {
    opacity: 0.8;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    display: block;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    letter-spacing: -0.01em;
}

/* Trust Badges */
.footer-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.trust-badge svg {
    flex-shrink: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.trust-badge-private {
    border-color: rgba(56, 189, 248, 0.2);
    box-shadow: 0 0 0 0 var(--glow-cyan);
}

.trust-badge-private:hover {
    border-color: rgba(56, 189, 248, 0.4);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.15);
}

.trust-badge-gdpr {
    border-color: rgba(168, 85, 247, 0.2);
    box-shadow: 0 0 0 0 var(--glow-purple);
}

.trust-badge-gdpr:hover {
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.15);
}

.trust-badge:hover svg {
    transform: scale(1.1);
}

/* Footer Columns */
.footer-column {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.footer-heading {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.footer-subheading {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.6;
    margin-top: 0.5rem;
    margin-bottom: 0.25rem;
    display: block;
}

.footer-links-spacer {
    height: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    line-height: 1.6;
    padding: 0.375rem 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: -0.01em;
    position: relative;
    width: fit-content;
}

.footer-links a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0.375rem;
    width: 0;
    height: 1px;
    background: var(--cyan);
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-links a:hover {
    color: var(--cyan);
    transform: translateX(2px);
}

.footer-links a:hover::before {
    width: 100%;
}

/* Bottom Bar */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    gap: 2rem;
}

.footer-bottom-left,
.footer-bottom-right {
    color: var(--text-secondary);
    font-size: 0.8125rem;
    line-height: 1.6;
    letter-spacing: -0.01em;
}

.footer-bottom-left {
    opacity: 0.8;
}

.footer-bottom-right {
    opacity: 0.7;
    font-size: 0.75rem;
}

.footer-heart {
    color: #FF0000;
    display: inline-block;
    vertical-align: middle;
    margin: 0 0.25rem;
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(1.3); }
    20%, 40% { transform: scale(1); }
}

.footer-flag {
    display: inline-block;
    vertical-align: middle;
    margin: 0 0.25rem;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .logo-visual {
        width: 32px;
        height: 32px;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-link {
        font-size: 0.8rem;
    }

    .nav-cta {
        padding: 0.5rem 0.8rem;
        font-size: 0.75rem;
        white-space: nowrap;
        min-width: auto;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
        min-width: 200px;
    }

    /* Footer Mobile Styles */
    footer {
        padding: 3rem 0 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        margin-bottom: 2.5rem;
    }

    .footer-brand {
        max-width: 100%;
        text-align: center;
        align-items: center;
    }

    .footer-logo-link {
        width: auto;
    }

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

    .footer-tagline {
        text-align: center;
    }

    .footer-trust-badges {
        justify-content: center;
    }

    .footer-column {
        text-align: center;
        align-items: center;
    }

    .footer-links {
        align-items: center;
        width: 100%;
    }

    .footer-links a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.625rem 1rem;
    }

    .footer-links a::before {
        display: none;
    }

    .footer-links a:hover {
        transform: none;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding-top: 2rem;
    }

    .footer-bottom-left,
    .footer-bottom-right {
        width: 100%;
    }
}