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

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

body {
    margin: 0;
}

/* Smooth scroll offset for fixed nav */
section[id] {
    scroll-margin-top: 80px;
}

/* Custom selection color */
::selection {
    background: #E86A50;
    color: white;
}

/* Mobile menu animations */
.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #E86A50;
    transition: width 0.3s ease;
}

.mobile-link:hover::after {
    width: 100%;
}

/* Hero shape animations */
.hero-shape-1 {
    animation: float 8s ease-in-out infinite;
}

.hero-shape-2 {
    animation: float 6s ease-in-out infinite reverse;
}

.hero-shape-3 {
    animation: float 10s ease-in-out infinite;
}

.hero-shape-4 {
    animation: spin 20s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes spin {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(250, 250, 248, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-scrolled .menu-line {
    background: #1A1A1A;
}

/* Intersection Observer animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    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; }

/* Mobile menu open state */
.mobile-menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-open .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu-open #mobile-menu {
    transform: translateX(0);
}

/* Category card hover */
.category-card:hover img {
    transform: scale(1.1);
}

/* Form focus styles */
input:focus, textarea:focus {
    outline: none;
}

/* Subtle pattern overlay for charcoal sections */
.bg-charcoal-pattern {
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.03) 1px, transparent 0);
    background-size: 24px 24px;
}