/* Aido Website Theme - Premium Dark/Cyberpunk Design */

:root {
    /* Colors - Cyberpunk AI Palette */
    --primary: #8B5CF6;
    /* Violet */
    --primary-glow: rgba(139, 92, 246, 0.5);
    --secondary: #06B6D4;
    /* Cyan */
    --secondary-glow: rgba(6, 182, 212, 0.5);
    --accent: #F43F5E;
    /* Rose */

    --bg-dark: #0F172A;
    /* Slate 900 */
    --bg-darker: #020617;
    /* Slate 950 */
    --bg-card: rgba(30, 41, 59, 0.7);
    /* Glassmorphism */

    --text-main: #F8FAFC;
    --text-muted: #94A3B8;

    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* Animation Speeds */
    --trans-fast: 0.2s ease;
    --trans-med: 0.4s ease;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.1) 0%, transparent 25%);
    background-attachment: fixed;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: white;
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
    color: var(--text-main);
}

p {
    margin-bottom: 1.5rem;
    color: #cbd5e1;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--trans-fast);
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.text-gradient {
    background: linear-gradient(135deg, #ddd6fe 0%, #ffffff 50%, #a5f3fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-primary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--trans-fast);
    border: none;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: var(--trans-med);
    color: var(--text-main);
}

.glass-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
    transform: translateY(-5px);
}

/* Header */
header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: var(--primary);
}

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

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a.active {
    color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}

/* Footer */
footer {
    background: var(--bg-darker);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.8rem;
}

.footer-col a:hover {
    color: var(--primary);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    /* Show/Hide logic simpler via JS */
    .mobile-menu-btn {
        display: block;
        z-index: 1001;
        /* Ensure button is above menu */
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 100%;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s ease-in-out;
        z-index: 1000;
        display: flex;
        /* Override display: none from previous rule if it existed, but here we are just positioning it */
    }

    .nav-links.active {
        right: 0;
        display: flex;
        /* Ensure it's visible */
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .btn {
        width: 100%;
    }
}