/* Reset & Base */
*, *::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: rgba(94, 234, 212, 0.2);
    color: #5eead4;
}

/* Loader */
.loader {
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-line-inner {
    width: 100%;
    height: 100%;
    animation: loaderSlide 1.2s ease-in-out infinite;
    transform-origin: left;
}

@keyframes loaderSlide {
    0% { transform: scaleX(0); transform-origin: left; }
    50% { transform: scaleX(1); transform-origin: left; }
    51% { transform: scaleX(1); transform-origin: right; }
    100% { transform: scaleX(0); transform-origin: right; }
}

/* Navbar */
.nav {
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s ease;
}

.nav.scrolled {
    background-color: rgba(7, 12, 20, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #5eead4;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #5eead4;
}

.nav-cta {
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(94, 234, 212, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-cta:hover::before {
    opacity: 1;
}

/* Mobile Menu */
.mobile-menu {
    animation: mobileMenuSlide 0.3s ease forwards;
}

@keyframes mobileMenuSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-menu-link {
    position: relative;
    padding-left: 0;
    transition: padding-left 0.3s ease;
}

.mobile-menu-link:hover {
    padding-left: 12px;
}

/* Hero */
.hero {
    position: relative;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-img {
    will-change: transform;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(7, 12, 20, 0.4) 0%,
        rgba(7, 12, 20, 0.6) 50%,
        rgba(7, 12, 20, 0.85) 100%
    );
}

.hero-scroll {
    animation: heroScrollBounce 2s ease-in-out infinite;
}

@keyframes heroScrollBounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 8px); }
}

.scroll-line {
    animation: scrollLineGrow 2s ease-in-out infinite;
    transform-origin: top;
}

@keyframes scrollLineGrow {
    0% { transform: scaleY(0); opacity: 0; }
    50% { transform: scaleY(1); opacity: 1; }
    100% { transform: scaleY(0); opacity: 0; }
}

/* Section Headers */
.section-eyebrow {
    animation: sectionFadeUp 0.6s ease forwards;
}

.section-title {
    animation: sectionFadeUp 0.6s ease 0.1s forwards;
    opacity: 0;
}

.section-line {
    animation: sectionFadeUp 0.6s ease 0.2s forwards;
    opacity: 0;
    width: 0;
}

@keyframes sectionFadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(94, 234, 212, 0.03), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-4px);
}

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

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

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

.service-card:hover .service-title {
    color: #5eead4;
}

/* About Section */
.about-image-container {
    position: relative;
}

.about-img {
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-image-container:hover .about-img {
    transform: scale(1.02);
}

.about-stat-number {
    transition: transform 0.3s ease, color 0.3s ease;
}

.about-stat:hover .about-stat-number {
    transform: scale(1.05);
    color: #5eead4;
}

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

.gallery-img {
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-overlay {
    transition: background-color 0.5s ease;
}

/* Contact Form */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding: 12px 0;
    color: #fff;
    font-family: 'Montserrat', system-ui, sans-serif;
    font-weight: 300;
    font-size: 15px;
    transition: border-color 0.3s ease;
    outline: none;
    resize: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-bottom-color: #5eead4;
}

.form-select {
    appearance: none;
    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='%235eead4' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
    cursor: pointer;
}

.form-select option {
    background: #0d1520;
    color: #fff;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.form-group:focus-within .form-label {
    color: #5eead4;
}

.btn-submit {
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-submit:hover::before {
    opacity: 1;
}

.btn-submit:active {
    transform: scale(0.98);
}

.form-success {
    animation: formSuccess 0.5s ease forwards;
}

@keyframes formSuccess {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Footer */
.footer-logo {
    transition: transform 0.3s ease;
}

.footer-links a,
.footer-hours li {
    transition: all 0.3s ease;
}

.footer-links a:hover {
    padding-left: 8px;
}

.footer-hours li:hover {
    color: #5eead4;
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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-hidden {
    opacity: 0;
    transform: translateY(30px);
}

/* Stagger delays */
.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; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* 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-hidden {
        opacity: 1;
        transform: none;
    }
}

/* Responsive */
@media (max-width: 767px) {
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .hero-headline br {
        display: none;
    }
    
    .hero-headline span {
        display: block;
        margin-top: 0.25rem;
    }
    
    .services-grid {
        gap: 1px;
    }
    
    .about-image-accent {
        display: none;
    }
    
    .about-image-pattern {
        display: none;
    }
    
    .gallery-grid {
        gap: 2px;
    }
    
    .gallery-img {
        height: 200px;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hero-headline {
        font-size: 3.5rem;
    }
    
    .gallery-img {
        height: 280px;
    }
}

@media (min-width: 1024px) {
    .hero-headline {
        font-size: 4rem;
    }
    
    .gallery-img {
        height: 320px;
    }
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid #5eead4;
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid #5eead4;
    outline-offset: 4px;
    border-radius: 2px;
}