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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    color: #404040;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: #f87171;
    color: #ffffff;
}

/* Navbar */
#navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#navbar.scrolled {
    border-bottom-color: #f0f0f0;
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.04);
}

.nav-logo {
    letter-spacing: 0.02em;
}

/* Mobile Menu */
.menu-line {
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .menu-line:first-child {
    transform: rotate(45deg) translate(3px, 3px);
}

#menuBtn.active .menu-line:last-child {
    transform: rotate(-45deg) translate(3px, -3px);
}

#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    transition: color 0.3s ease;
}

.mobile-link:hover {
    color: #ef4444;
}

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

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

.hero-anim {
    opacity: 1;
    animation: fadeUp 0.8s ease forwards;
}

.hero-anim:nth-child(1) { animation-delay: 0.1s; }
.hero-anim:nth-child(2) { animation-delay: 0.2s; }
.hero-anim:nth-child(3) { animation-delay: 0.3s; }
.hero-anim:nth-child(4) { animation-delay: 0.4s; }
.hero-anim:nth-child(5) { animation-delay: 0.5s; }

.hero-img {
    opacity: 1;
    animation: fadeIn 1s ease 0.3s forwards;
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service Cards */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #f87171;
    transition: width 0.5s ease;
}

.service-card:hover::after {
    width: 100%;
}

/* Form */
input:focus,
textarea:focus {
    border-color: #f87171 !important;
    box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f5f5f5;
}

::-webkit-scrollbar-thumb {
    background: #d4d4d4;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a3a3a3;
}

/* Accent Line */
.accent-line {
    width: 60px;
    height: 1px;
    background-color: #f87171;
}

/* Image Hover */
img {
    transition: transform 0.6s ease;
}

/* Link Underline on Hover */
a {
    text-decoration: none;
}

/* Print Styles */
@media print {
    #navbar,
    #contactForm,
    iframe {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}