/* ===== VARIABLES - DARKER THEME ===== */
:root {
    --primary: #dc2626;
    --primary-dark: #b91c1c;
    --primary-light: #fee2e2;
    --bg-dark: #0a0c10;        /* Darker background */
    --bg-card: #15181e;         /* Dark card background */
    --bg-section: #0f1217;      /* Section background */
    --bg-nav: rgba(10, 12, 16, 0.95); /* Dark navbar */
    --text-primary: #ffffff;     /* White text */
    --text-secondary: #b0b7c5;   /* Light gray text */
    --text-muted: #6b7280;       /* Muted text */
    --border-dark: #2d2d35;      /* Border color */
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.5);
    
    --radius-sm: 0.5rem;
    --radius: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-2xl: 2.5rem;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-dark);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}

/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Poppins:wght@600;700;800&display=swap');

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.3);
}

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

.btn-outline:hover {
    background: rgba(220, 38, 38, 0.1);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--bg-dark);
}

.btn-white:hover {
    background: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-2px);
}

/* ===== NAVBAR ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-nav);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-dark);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 60px;
    width: auto;
    filter: brightness(1.2);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.logo-tagline {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    transition: color 0.3s;
    color: var(--text-secondary);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

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

/* ===== HERO SECTION ===== */
.hero {
    background: var(--bg-dark);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    padding: 6rem 0;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(220, 38, 38, 0.2), transparent 50%),
                radial-gradient(circle at bottom left, rgba(37, 211, 102, 0.1), transparent 40%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-badge svg {
    width: 1rem;
    height: 1rem;
    fill: #eab308;
    color: #eab308;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    max-width: 800px;
    color: var(--text-primary);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 500px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: var(--radius);
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-card .label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.hero-image {
    position: relative;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-2xl);
    padding: 1rem;
}

.image-grid img {
    width: 100%;
    height: 150px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    filter: brightness(0.9);
}

.blur-circle {
    position: absolute;
    width: 8rem;
    height: 8rem;
    border-radius: 50%;
    filter: blur(3rem);
    z-index: -1;
}

.blur-red {
    background: rgba(220, 38, 38, 0.2);
    top: -1.5rem;
    left: -1.5rem;
}

.blur-green {
    background: rgba(34, 197, 94, 0.1);
    bottom: -2rem;
    right: 1rem;
}

@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

/* ===== STATS BAR ===== */
.stats-bar {
    border-bottom: 1px solid var(--border-dark);
    background: var(--bg-section);
    padding: 2rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

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

.stat-item .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-item .label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-subtitle {
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

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

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
    background: var(--bg-section);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s;
}

.service-card:hover .service-icon {
    background: rgba(220, 38, 38, 0.2);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.service-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(1.2);
}

.service-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.service-title {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.service-badge {
    background: rgba(220, 38, 38, 0.2);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.service-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.service-link:hover {
    gap: 1rem;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--bg-section);
    padding: 6rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    padding: 1rem;
    border-radius: var(--radius);
}

.advantage-item svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #22c55e;
    flex-shrink: 0;
}

.advantage-item span {
    color: var(--text-secondary);
}

.about-card {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    padding: 1.25rem;
    box-shadow: var(--shadow-xl);
}

.about-card-content {
    background: linear-gradient(135deg, var(--primary), #1a1a1a, #000000);
    border-radius: var(--radius-xl);
    padding: 2rem;
    color: var(--white);
}

.about-card-badge {
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-size: 0.875rem;
}

.about-card-title {
    font-size: 2rem;
    margin: 1rem 0 1.5rem;
    color: var(--white);
}

.about-card-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-card-list-item {
    display: flex;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.about-card-list-item svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #22c55e;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-2xl);
    padding: 2rem;
}

.stars {
    display: flex;
    gap: 0.25rem;
    color: #eab308;
    margin-bottom: 1rem;
}

.stars svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-primary);
}

.review-features {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.review-info {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    color: var(--text-primary);
}

.review-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.review-badge svg {
    width: 1rem;
    height: 1rem;
}

.review-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.review-step {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: var(--radius);
    color: var(--text-secondary);
}

.review-step svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #22c55e;
    flex-shrink: 0;
}

.review-form {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-2xl);
    padding: 2rem;
}

.review-form-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.review-form p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .review-features {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== GALLERY SECTION ===== */
.gallery-section {
    background: var(--bg-section);
    color: var(--text-primary);
    padding: 6rem 0;
}

.gallery-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.gallery-header h2 {
    font-size: 3rem;
    color: var(--text-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.gallery-item {
    height: 280px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
    filter: brightness(0.9);
}

.gallery-item:hover img {
    transform: scale(1.1);
    filter: brightness(1);
}

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: var(--white);
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s;
}

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

@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .gallery-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .gallery-header h2 {
        font-size: 2.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== SEO SECTION ===== */
.seo-section {
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-dark);
    padding: 6rem 0;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.seo-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-2xl);
    padding: 2rem;
}

.seo-card svg {
    width: 2rem;
    height: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.seo-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.seo-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .seo-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== FAQ SECTION ===== */
.faq {
    background: var(--bg-section);
    padding: 6rem 0;
}

.faq-grid {
    max-width: 800px;
    margin: 3rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.faq-question {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== SERVICE AREAS ===== */
.service-areas {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-dark);
}

.service-areas h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.area-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.area-badge {
    background: var(--bg-dark);
    border: 1px solid var(--border-dark);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.area-badge svg {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 2.5rem;
}

.contact-info {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    color: var(--text-primary);
}

.contact-info .section-subtitle {
    color: var(--text-secondary);
}

.contact-info h2 {
    font-size: 2.5rem;
    margin: 1rem 0 1.5rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.contact-method svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-2xl);
    padding: 2rem;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-form p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
    background: var(--bg-dark);
    color: var(--text-primary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-card);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-select {
    color: var(--text-primary);
}

.form-select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===== FOOTER ===== */
.footer {
    background: #050608;
    color: var(--white);
    padding: 2.5rem 0;
    text-align: center;
    border-top: 1px solid var(--border-dark);
}

.footer p:first-child {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.footer p:last-child {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== FLOATING WHATSAPP ===== */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #25D366;
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: all 0.3s;
    z-index: 1000;
}

.floating-whatsapp:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 30px rgba(37, 211, 102, 0.3);
}

.floating-whatsapp svg {
    width: 28px;
    height: 28px;
}

/* ===== LOADING STATES ===== */
.loading {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

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

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.hidden { display: none; }

/* ===== GALLERY PAGE SPECIFIC ===== */
.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--border-dark);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 2rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.98);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: white;
    font-size: 3rem;
    cursor: pointer;
}