/* 
   Diamond UI Design System for RealVision AI
   Premium, Sleek, Futuristic
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Colors */
    --clr-bg: #050508;
    --clr-surface: rgba(15, 15, 25, 0.7);
    --clr-primary: #8338ec;
    /* Electric Violet */
    --clr-secondary: #06d6a0;
    /* Emerald Neon */
    --clr-accent: #ff006e;
    /* Hot Pink */
    --clr-gold: #ffbe0b;
    /* Golden Glow */
    --clr-text: #f8f9fa;
    --clr-text-muted: #adb5bd;

    /* Gradients */
    --grad-primary: linear-gradient(135deg, var(--clr-primary), #3a86ff);
    --grad-diamond: linear-gradient(135deg, #8338ec, #ff006e, #ffbe0b);
    --grad-dark: linear-gradient(180deg, #050508 0%, #0a0a15 100%);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(15px);

    /* Shadows & Glows */
    --glow-primary: 0 0 20px rgba(131, 56, 236, 0.3);
    --shadow-premium: 0 20px 50px rgba(0, 0, 0, 0.5);

    /* Layout */
    --radius-full: 100px;
    --radius-lg: 32px;
    --radius-md: 16px;
    --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--clr-bg);
    color: var(--clr-text);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

/* Background Effects */
.bg-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle, rgba(131, 56, 236, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--grad-primary);
    color: white;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px rgba(131, 56, 236, 0.5);
}

/* Logo */
.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--clr-text);
}

.logo-icon {
    font-size: 32px;
    background: var(--grad-diamond);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(131, 56, 236, 0.5));
}

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

.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border-color: var(--glass-border);
    color: white;
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Glass Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

/* Utils */
.txt-gradient {
    background: var(--grad-diamond);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    :root {
        --radius-lg: 24px;
        --radius-md: 12px;
    }

    body {
        font-size: 14px;
    }

    .glass-card {
        padding: 20px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 15px;
    }

    h1 {
        font-size: 28px !important;
    }

    h2 {
        font-size: 24px !important;
    }

    h3 {
        font-size: 20px !important;
    }
}