/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

/* Selection */
::selection {
    background-color: rgba(13, 148, 136, 0.15);
    color: #0f766e;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f8fafc;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Hero Animations */
.hero-subtitle {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-title {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

.hero-desc {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.hero-cta {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-stats {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1s;
}

.hero-image {
    animation: fadeIn 1.2s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

/* Service Cards */
.service-card {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover {
    background-color: #f8fafc;
    transform: translateY(-2px);
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* Navbar scroll state */
.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

/* Mobile Menu */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* Smooth focus for inputs */
input:focus,
textarea:focus {
    outline: none;
}

/* Print styles */
@media print {
    header, footer, #contactForm button {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .font-serif {
        color: #000;
    }
}