/* ========== HERO ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: 
        linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, transparent 50%),
        linear-gradient(225deg, rgba(0, 123, 255, 0.05) 0%, transparent 50%),
        var(--color-bg);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 123, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(0, 123, 255, 0.05) 0%, transparent 40%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--color-bg) 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 20px;
    font-weight: 600;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-muted);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========== SERVICES ========== */
.services {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--color-bg-card);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.service-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    color: white;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.service-description {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-features li {
    padding: 6px 14px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

/* ========== COMPARISON SLIDER ========== */
.comparison {
    padding: 100px 0;
    background: var(--color-bg);
}

.comparison-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    height: 500px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    cursor: ew-resize;
}

.comparison-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.comparison-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comparison-before {
    clip-path: inset(0 50% 0 0);
    z-index: 2;
}

.comparison-after {
    z-index: 1;
}

.comparison-label {
    position: absolute;
    top: 20px;
    padding: 8px 20px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.comparison-before .comparison-label {
    left: 20px;
}

.comparison-after .comparison-label {
    right: 20px;
}

.comparison-slider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: white;
    transform: translateX(-50%);
    z-index: 10;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.comparison-arrow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg);
    box-shadow: var(--shadow-md);
}

/* ========== GALLERY ========== */
.gallery {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    font-weight: 600;
    font-size: 1.1rem;
}

/* ========== ABOUT ========== */
.about {
    padding: 100px 0;
    background: var(--color-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 24px;
    border-radius: var(--radius-md);
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-description {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.about-feature {
    text-align: center;
}

.feature-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.feature-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
}

/* ========== CONTACT ========== */
.contact {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.contact-card {
    background: var(--color-bg-card);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
}

.contact-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    margin: 0 auto 20px;
    color: var(--color-accent);
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.location-text {
    color: var(--color-text-muted);
}

.cta-box {
    background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-elevated));
    padding: 60px 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border);
}

.cta-box h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.cta-box p {
    color: var(--color-text-muted);
    margin-bottom: 30px;
}