*, *::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;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #1a1a1a;
}
::-webkit-scrollbar-thumb {
    background: #3a3a3a;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #f97583;
}

/* Selection */
::selection {
    background: rgba(249, 117, 131, 0.3);
    color: #f5f5f5;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: #f97583;
    color: #1a1a1a;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 1rem 2.5rem;
    border: 1px solid #f97583;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
}

.btn-primary:hover {
    background: transparent;
    color: #f97583;
}

.btn-secondary {
    display: inline-block;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 1rem 2.5rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
}

/* Hero */
.hero-bg {
    will-change: transform;
}

.hero-overlay {
    background: linear-gradient(
        to bottom,
        rgba(13, 13, 13, 0.55) 0%,
        rgba(13, 13, 13, 0.45) 50%,
        rgba(13, 13, 13, 0.75) 100%
    );
}

/* Hero Animations */
.hero-subtitle {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards;
}

.hero-title {
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.5s forwards;
}

.hero-desc {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.7s forwards;
}

.hero-cta {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.9s forwards;
}

.hero-scroll {
    opacity: 0;
    animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.2s forwards;
}

@keyframes heroFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Reveal */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* Stagger children */
.service-card,
.gallery-item {
    opacity: 1;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card.visible,
.gallery-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Gallery item image transition */
.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* FAQ */
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                opacity 0.4s ease;
    opacity: 0;
}

.faq-content.open {
    max-height: 200px;
    opacity: 1;
}

.faq-content p {
    padding-left: 1.5rem;
}

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

input::placeholder,
textarea::placeholder {
    color: #6b6b6b;
}

/* Mobile menu */
#mobile-menu {
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
    visibility: visible;
}

#mobile-menu.close {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.mobile-link {
    opacity: 0;
    transform: translateY(15px);
    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: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* Menu lines animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-btn.active .menu-line:first-child {
    transform: translateY(4px) rotate(45deg);
}

#menu-btn.active .menu-line:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal-up,
    .reveal-left,
    .reveal-right {
        transform: none;
    }
}