:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #131b2c;
    --bg-card: rgba(23, 32, 51, 0.6);
    --bg-card-hover: rgba(30, 41, 65, 0.8);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --transition: all 0.3s ease;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.text-gradient {
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-xl { padding: 18px 36px; font-size: 1.1rem; border-radius: var(--radius-md); }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

.logo-icon {
    color: var(--accent);
}

.nav {
    display: flex;
    gap: 32px;
}

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

.nav a:hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 80vw;
    height: 80vw;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, rgba(11, 15, 25, 0) 70%);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

.hero-image {
    width: 100%;
    display: block;
}

.glow-effect {
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 40px rgba(59, 130, 246, 0.2);
    pointer-events: none;
}

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    z-index: 999;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
    backdrop-filter: blur(10px);
}

.lightbox.active {
    display: block;
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0,0,0,0.8);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.lightbox-close:hover {
    color: var(--accent);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
    backdrop-filter: blur(12px);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Gallery Slider */
.slider-container {
    position: relative;
    width: 100%;
    margin: 0 auto 40px auto;
}

.slider-wrapper {
    width: 100%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    padding: 20px 0;
}

.slider-wrapper::-webkit-scrollbar {
    display: none;
}

.slider-track {
    display: flex;
    gap: 24px;
    width: max-content;
    padding: 0 20px;
}

.slide {
    width: 260px;
    height: auto;
    object-fit: cover;
    cursor: pointer;
    border-radius: var(--radius-md);
    scroll-snap-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

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

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(11, 15, 25, 0.7);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 36px;
    height: 120px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    z-index: 10;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.slider-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-50%) scale(1.05);
}

.prev-btn { left: 16px; }
.next-btn { right: 16px; }

.gallery-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.gf-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
    font-weight: 500;
}

.gf-item i {
    color: #a855f7;
}

/* Process */
.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 100px;
    right: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--border-color) 0%, rgba(59, 130, 246, 0.5) 50%, var(--border-color) 100%);
    z-index: 0;
}

.step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--bg-secondary);
    border: 2px solid var(--accent);
    color: var(--text-main);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.step h3 {
    margin-bottom: 12px;
}

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

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

.review-card {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: block;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.reviewer-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.stars {
    display: flex;
    gap: 2px;
}

.stars i {
    width: 14px;
    height: 14px;
    color: #fbbf24;
    fill: #fbbf24;
}

.review-text {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.95rem;
}

/* FAQ */
.accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.accordion-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.accordion-header {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.accordion-header:hover {
    background: rgba(255, 255, 255, 0.02);
}

.accordion-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.acc-icon {
    transition: transform 0.3s ease;
    color: var(--accent);
}

.accordion-item.active .acc-icon {
    transform: rotate(45deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion-body p {
    padding: 0 24px 24px 24px;
    color: var(--text-muted);
}

/* CTA */
.cta-section {
    background: linear-gradient(to bottom, var(--bg-primary), rgba(37, 99, 235, 0.1));
    border-top: 1px solid var(--border-color);
    padding: 120px 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 60px 0;
    background: var(--bg-secondary);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-main);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 24px;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .process-steps::before {
        display: none;
    }
}

@media (max-width: 768px) {
    section {
        padding: 4rem 1rem;
    }
    
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav {
        display: none; /* Hide text navigation links on mobile */
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .hero {
        padding-top: 7rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .features-grid, .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .slider-btn {
        display: none; /* Swipe is better on mobile */
    }
    
    .slider-wrapper {
        padding: 0 1rem;
    }
    
    .cta-section h2 {
        font-size: 1.8rem;
    }
    
    .footer-content {
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}