/* Industrial Futurism / Luxury Analytical Tool Design System */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    color-scheme: dark;
    /* Color Palette */
    --color-bg-deep: #031818;
    /* Very dark teal/cyan black */
    --color-bg-surface: #052222;
    --color-primary: #0ea5e9;
    /* Cyan */
    --color-accent-copper: #c27845;
    /* Copper/Orange */
    --color-text-primary: #f0fdfa;
    --color-text-secondary: #99f6e4;
    --color-text-muted: #5eead4;

    /* Gradients */
    --gradient-hero: radial-gradient(circle at 60% 30%, rgba(14, 165, 233, 0.15) 0%, rgba(3, 24, 24, 0) 70%),
        linear-gradient(180deg, var(--color-bg-deep) 0%, #062b2b 100%);
    --gradient-glow: conic-gradient(from 180deg at 50% 50%, #0ea5e9 0deg, #2dd4bf 180deg, #0ea5e9 360deg);

    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-serif: 'Playfair Display', serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Borders & Glass */
    --border-glass: 1px solid rgba(153, 246, 228, 0.1);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.15);
}

body {
    background-color: var(--color-bg-deep);
    color: var(--color-text-primary);
    font-family: var(--font-serif);
    margin: 0;
    overflow-x: hidden;
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #fff;
    margin-top: 0;
}

/* Texture Overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.05;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Utilities */
.text-display {
    font-family: var(--font-display);
}

.text-copper {
    color: var(--color-accent-copper);
}

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

.glass-panel {
    background: rgba(5, 34, 34, 0.8);
    backdrop-filter: blur(12px);
    border: var(--border-glass);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    background: var(--color-primary);
    color: #000;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover::before {
    left: 100%;
}

.container-custom {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container-custom {
        padding: 0 var(--spacing-md);
    }
}

/* Motion */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

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