* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:root {
    --petrol: #227180;
    --petrol-light: #3A8D9C;
    --petrol-dark: #1A5966;
    --white: #FFFFFF;
    --neutral-10: #E6E6E6;
    --neutral-20: #CCCCCC;
    --neutral-30: #B3B3B3;
    --black: #0A0A0A;
    --gray: #666666;

    --whatsapp-green: #25D366;
    --whatsapp-green-light: #5DE38A;
    --whatsapp-green-dark: #1DA851;
    --gradient-whatsapp: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-green-light) 100%);

    --font-display: 'Courier New', 'SF Mono', Monaco, monospace;
    --font-body: -apple-system, BlinkMacSystemFont, 'Inter', 'Helvetica Neue', sans-serif;

    --space-3xs: 0.25rem;
    --space-2xs: 0.5rem;
    --space-xs: 0.75rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    --shadow-subtle: 0 4px 12px rgba(34, 113, 128, 0.08);
    --shadow-elevated: 0 20px 40px rgba(34, 113, 128, 0.12);
    --shadow-luxury: 0 40px 80px rgba(34, 113, 128, 0.15);

    --gradient-petrol: linear-gradient(135deg, var(--petrol) 0%, var(--petrol-light) 100%);
    --gradient-petrol-dark: linear-gradient(135deg, var(--petrol-dark) 0%, var(--petrol) 100%);
    --gradient-light: linear-gradient(135deg, var(--neutral-10) 0%, var(--white) 100%);
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--black);
    background: var(--white);
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: 0.01em;
    opacity: 0;
    animation: pageFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes pageFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes floatUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes drawLine {
    0% {
        width: 0;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        width: 120px;
        opacity: 1;
    }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(34, 113, 128, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(34, 113, 128, 0.6);
    }
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow:
            0 4px 12px rgba(37, 211, 102, 0.25),
            0 0 0 1px rgba(37, 211, 102, 0.1);
    }
    50% {
        box-shadow:
            0 4px 20px rgba(37, 211, 102, 0.4),
            0 0 0 1px rgba(37, 211, 102, 0.2);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }