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

:root {
    --color-primary: #0f172a;
    --color-secondary: #1e293b;
    --color-accent: #3b82f6;
    --color-accent-light: #60a5fa;
    --color-accent-dark: #1d4ed8;
    --color-steel: #64748b;
    --color-steel-light: #94a3b8;
    --color-steel-dark: #475569;
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-600: #64748b;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    --gradient-steel: linear-gradient(135deg, var(--color-steel) 0%, var(--color-steel-light) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.85) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.6) 100%);
    --gradient-card: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.7) 100%);
    
    --font-primary: 'Montserrat', system-ui, -apple-system, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.08);
    --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.12);
    --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.15);
    --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.18);
    --shadow-xl: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.4);
    --shadow-glow-strong: 0 0 40px rgba(59, 130, 246, 0.6);
    
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    --glass-border: 1px solid rgba(226, 232, 240, 0.1);
    --glass-border-hover: 1px solid rgba(59, 130, 246, 0.3);
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-bg-hover: rgba(30, 41, 59, 0.7);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-primary);
    background: var(--gradient-overlay);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, transparent 0%, rgba(30, 41, 59, 0.1) 50%, transparent 100%),
        linear-gradient(0deg, transparent 0%, rgba(30, 41, 59, 0.05) 50%, transparent 100%),
        radial-gradient(circle at 20% 20%, rgba(30, 41, 59, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(30, 41, 59, 0.1) 0%, transparent 50%);
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(45deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(0deg, rgba(30, 41, 59, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 41, 59, 0.05) 1px, transparent 1px);
    background-size: 
        40px 40px,
        40px 40px,
        80px 80px,
        80px 80px;
    background-position:
        0 0,
        0 0,
        0 0,
        0 0;
    z-index: -1;
    opacity: 0.6;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--glass-bg-hover);
    border: var(--glass-border-hover);
    color: var(--color-accent);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    letter-spacing: 0.5px;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

@media (max-width: 992px) {
    .container {
        padding: 0 16px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 12px;
    }
}