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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: rgba(255, 107, 53, 0.15);
    color: #1a1a1a;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff6b35;
}

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

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

/* Hero Animations */
.hero-tag {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-headline {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-subtext {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-cta {
    animation: fadeInUp 0.8s ease forwards;
}

/* Scroll Indicator */
.scroll-indicator {
    animation: fadeIn 1s ease forwards 1.2s;
    opacity: 0;
}

.scroll-indicator:hover .w-px {
    height: 16px;
    transition: height 0.3s ease;
}

/* Section Reveals */
.section-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .section-reveal {
        opacity: 0;
        transform: translateY(40px);
    }
    
    .section-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service Cards */
.service-card {
    transition: background-color 0.5s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

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

/* Gallery Items */
.gallery-item {
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-4px);
}

/* Contact Inputs */
.contact-input {
    background: transparent;
}

.contact-input:focus {
    border-bottom-color: #ff6b35;
}

.contact-input::placeholder {
    color: #d1d5db;
}

/* Navbar States */
#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

#navbar.scrolled .nav-link {
    color: #4a4a4a;
}

#navbar.scrolled .nav-link:hover {
    color: #ff6b35;
}

#navbar.scrolled .menu-line {
    background-color: #1a1a1a;
}

/* Mobile Menu */
#mobile-menu.open {
    transform: translateX(0);
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.3s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.4s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.5s; }

/* Menu Button Animation */
#menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
}