:root {
    /* DEFAULT: LIGHT MODE (Clean & Corporate) */
    --bg-main: #FFFFFF;
    --bg-alt: #F8FAFC;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --primary: #3B82F6;
    /* Electric Blue */
    --primary-glow: rgba(59, 130, 246, 0.3);
    --accent: #8B5CF6;
    /* Purple */
    --border: #E2E8F0;
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* DARK MODE (Midnight & Neon) */
    --bg-main: #020617;
    /* Deepest Navy */
    --bg-alt: #0F172A;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --primary: #60A5FA;
    /* Brighter Blue for Dark */
    --primary-glow: rgba(96, 165, 250, 0.2);
    --accent: #A78BFA;
    --border: #1E293B;
    --glass: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    transition: background-color 0.5s, color 0.5s;
    -webkit-font-smoothing: antialiased;
}

/* Custom Animations */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse-soft {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse-soft {
    animation: pulse-soft 3s ease-in-out infinite;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Layout Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Component Styles */
.glass-panel {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.btn-corporate {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
    filter: brightness(1.1);
}

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

.geometric-bg {
    background-image: radial-gradient(circle at 2px 2px, var(--border) 1px, transparent 0);
    background-size: 40px 40px;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(5deg);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}