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

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

body {
    overflow-x: hidden;
}

::selection {
    background: #FF6B4F;
    color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f6f6f7;
}
::-webkit-scrollbar-thumb {
    background: #c4c6cb;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #9fa3aa;
}

/* Navigation */
#nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

#nav.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.nav-title {
    transition: color 0.3s ease;
}

.nav-subtitle {
    transition: color 0.3s ease;
}

/* Mobile Menu */
.menu-line {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#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;
}

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

/* Hero Animations */
.hero-tag {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.1s;
    opacity: 0;
}

.hero-title {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.25s;
    opacity: 0;
}

.hero-desc {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.hero-cta-primary,
.hero-cta-secondary {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.55s;
    opacity: 0;
}

.hero-image-wrapper {
    animation: fadeIn 1s ease forwards;
    animation-delay: 0.3s;
    opacity: 0;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.97);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Service Cards */
.service-card {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
    transform: translateY(-2px);
}

.service-icon {
    transition: all 0.5s ease;
}

.service-title {
    transition: all 0.5s ease;
}

.service-desc {
    transition: all 0.5s ease;
}

.service-line {
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(55, 65, 81, 0);
    transition: background 0.4s ease;
}

.gallery-item:hover::after {
    background: rgba(55, 65, 81, 0.1);
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.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; }

/* Form */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239fa3aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

select:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23FF6B4F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Utility */
@media (max-width: 767px) {
    .font-serif {
        font-size: 2rem !important;
    }
}