/* CSS Variables for Premium Dark/Vibrant Aesthetic */
:root {
    --bg-dark: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-light: #334155;
    
    --accent-primary: #f97316; /* Energetic Orange */
    --accent-hover: #ea580c;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    --font-main: 'Inter', sans-serif;
    
    --glass-bg: rgba(15, 23, 42, 0.75);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --transition-fast: 0.2s ease-in-out;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Button Styles */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
    font-family: var(--font-main);
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--text-primary);
    color: var(--bg-dark);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(15, 23, 42, 0.95);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.logo i {
    font-size: 2rem;
}

.logo span {
    color: var(--text-primary);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--accent-primary);
}

.mobile-menu-btn {
    display: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Carousel */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.carousel-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out, transform 5s ease-in-out;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15,23,42,0.3) 0%, rgba(15,23,42,0.9) 100%);
    z-index: 3;
}

.hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    animation: slideUp 0.8s forwards;
}

.hero-content p {
    font-size: 1.25rem;
    color: #e2e8f0;
    margin-bottom: 2.5rem;
    text-shadow: 0 2px 5px rgba(0,0,0,0.5);
    animation: slideUp 1s forwards;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: slideUp 1.2s forwards;
}

/* Carousel Controls */
.carousel-controls {
    position: absolute;
    z-index: 5;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.hero:hover .carousel-controls {
    opacity: 1;
}

.carousel-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: var(--transition-fast);
}

.carousel-btn:hover {
    background: var(--accent-primary);
    transform: scale(1.1);
}

.carousel-indicators {
    position: absolute;
    bottom: 2rem;
    z-index: 5;
    display: flex;
    gap: 0.5rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-fast);
}

.indicator.active {
    background: var(--accent-primary);
    transform: scale(1.2);
}

/* Services */
.services {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-surface);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem auto;
    transition: var(--transition-smooth);
}

.service-card:hover .card-icon {
    background: var(--accent-primary);
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
}

/* About */
.about {
    padding: 6rem 2rem;
    background: var(--bg-surface-light);
    clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
}

.about-content {
    max-width: 1200px;
    margin: 4rem auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: #cbd5e1;
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.about-features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.about-features i {
    color: var(--accent-primary);
    font-size: 1.5rem;
}

.image-wrapper {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    position: relative;
}

.image-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--accent-primary);
    border-radius: 20px;
    opacity: 0.5;
    mix-blend-mode: overlay;
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-smooth);
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

/* Footer */
footer {
    background: #020617;
    padding: 4rem 2rem 2rem 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-contact h3, .footer-social h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-contact p {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact i {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--text-primary);
    background: var(--bg-surface);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.25rem;
    transition: var(--transition-fast);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--accent-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25D366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition-fast);
    text-decoration: none;
}

.floating-whatsapp:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    background-color: #22c55e;
}

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

/* Responsive Design */
@media (max-width: 900px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-surface);
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }

    .hero-actions {
        flex-direction: column;
    }
}