/* Custom Properties */
:root {
    --charcoal-dark: #1C1C1E;
    --charcoal-medium: #2C2C2E;
    --charcoal-light: #3A3A3C;
    --coral: #E8634B;
    --coral-dark: #D1523C;
    --coral-light: #F07860;
    --stone-50: #FAFAF9;
    --stone-100: #F5F5F4;
    --stone-200: #E7E5E4;
    --stone-300: #D6D3D1;
    --stone-400: #A8A29E;
    --stone-500: #78716C;
    --stone-600: #57534E;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    color: var(--charcoal-dark);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.font-serif {
    font-family: var(--font-serif);
}

.font-sans {
    font-family: var(--font-sans);
}

/* Navbar */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(250, 250, 249, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

#navbar.scrolled .menu-line {
    background: var(--charcoal-dark);
}

/* Mobile Menu */
.mobile-link {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

#mobileMenu.closed {
    opacity: 0 !important;
    pointer-events: none !important;
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menuBtn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 24px;
    margin-left: 0;
}

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

.animate-fade-in-up {
    animation-name: fadeInUp;
    animation-duration: 0.8s;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
    animation-iteration-count: 1;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Service Cards */
.service-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-6px);
}

/* Gallery */
.gallery-item {
    cursor: pointer;
}

/* Selection */
::selection {
    background: var(--coral);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: var(--stone-100);
}

::-webkit-scrollbar-thumb {
    background: var(--stone-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--stone-400);
}

/* Responsive */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }

    #hero h1 {
        font-size: 2.5rem;
    }

    #hero h1 br {
        display: none;
    }

    #hero h1 span {
        display: block;
        margin-top: 0.2em;
    }

    .service-card {
        padding: 1.5rem;
    }

    #about .relative {
        margin-bottom: 2rem;
    }

    .gallery-item {
        aspect-ratio: 1;
    }
}

@media (max-width: 480px) {
    #hero h1 {
        font-size: 2rem;
    }

    .font-serif {
        font-size: 1.75rem;
    }
}