/* Base & Utilities */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: #FF6B6B;
    color: #2C2C2C;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #FAFAFA;
}
::-webkit-scrollbar-thumb {
    background: #2C2C2C;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #FF6B6B;
}

/* Navigation */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #FF6B6B;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}

/* Navbar scroll state */
.nav-scrolled {
    background-color: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(44, 44, 44, 0.08);
}

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

.menu-open .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}
.menu-open .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 24px;
}

/* Scroll reveal animations */
.reveal {
    opacity: 1;
    transform: none;
    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: none;
    }
    .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; }
}

/* Hero decorative elements */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
.floating-card {
    animation: float 6s ease-in-out infinite;
}

/* Image hover zoom */
img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Form focus states */
input:focus,
textarea:focus {
    background-color: rgba(255, 255, 255, 0.08);
}

/* Smooth section transitions */
section {
    position: relative;
}

/* Print styles */
@media print {
    nav, #contact-form, button {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}