/* ===== CSS RESET & VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #dc2626;
    --primary-dark: #b91c1c;
    --primary-light: #fecaca;
    --secondary-color: #1f2937;
    --accent-color: #f59e0b;
    
    /* Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-8);
    }
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp {
    background-color: #25d366;
    color: white;
    border-color: #25d366;
}

.btn-whatsapp:hover {
    background-color: #128c7e;
    border-color: #128c7e;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-small {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
}

/* ===== HEADER ===== */
.main-header {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: var(--gray-100);
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
}

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

.contact-info {
    display: flex;
    gap: var(--spacing-6);
    color: var(--gray-600);
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.social-links {
    display: flex;
    gap: var(--spacing-3);
}

.social-links a {
    color: var(--gray-600);
    font-size: var(--font-size-lg);
    transition: color var(--transition-fast);
}

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

.header-main {
    padding: var(--spacing-4) 0;
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.logo {
    height: 60px;
    width: auto;
}

.logo-text h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-1);
}

.logo-text p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-8);
}

.main-nav a {
    font-weight: 500;
    color: var(--gray-700);
    padding: var(--spacing-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-2);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    transition: all var(--transition-fast);
}

/* Mobile Header */
@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-4);
    }
    
    .main-nav {
        display: none;
        width: 100%;
        order: 3;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        background: white;
        border-top: 1px solid var(--gray-200);
        padding: var(--spacing-4) 0;
    }
    
    .main-nav a {
        padding: var(--spacing-3) 0;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-cta {
        order: 2;
    }
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
    padding: var(--spacing-20) 0;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.hero-title .highlight {
    display: block;
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-8);
    line-height: 1.5;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: white;
    font-weight: 500;
}

.feature-item i {
    color: var(--accent-color);
    font-size: var(--font-size-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ===== SERVICES SECTION ===== */
.services-section {
    padding: var(--spacing-20) 0;
    background-color: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.service-card {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
}

.service-icon i {
    font-size: var(--font-size-2xl);
    color: white;
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== PRODUCTS SECTION ===== */
.products-section {
    padding: var(--spacing-20) 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.product-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-info {
    padding: var(--spacing-6);
}

.product-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
}

.product-info p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-4);
}

.product-features {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.feature-tag {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

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

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: var(--spacing-20) 0;
    background-color: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

.about-text h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-6);
}

.about-intro {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    line-height: 1.6;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-2);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* ===== CONTACT CTA SECTION ===== */
.contact-cta-section {
    padding: var(--spacing-20) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-8);
    align-items: center;
}

.cta-text h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.cta-text p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

.cta-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
}

.contact-item i {
    font-size: var(--font-size-lg);
    color: var(--accent-color);
    margin-top: var(--spacing-1);
}

.contact-item div {
    display: flex;
    flex-direction: column;
}

.contact-item strong {
    font-weight: 600;
    margin-bottom: var(--spacing-1);
}

.contact-item span {
    opacity: 0.9;
    font-size: var(--font-size-sm);
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .cta-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .hero-section {
        min-height: 500px;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

/* ===== FOOTER ===== */
.main-footer {
    background-color: var(--gray-900);
    color: white;
}

.footer-content {
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
}

.footer-section h3,
.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: white;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo img {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-3);
}

.footer-logo p {
    color: var(--gray-300);
    line-height: 1.6;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

.contact-item i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-1);
}

.contact-item span {
    color: var(--gray-300);
    line-height: 1.5;
}

.schedule p {
    color: var(--gray-300);
    margin-bottom: var(--spacing-2);
    line-height: 1.5;
}

.schedule strong {
    color: white;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.footer-links a {
    color: var(--gray-300);
    transition: color var(--transition-fast);
    padding: var(--spacing-1) 0;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding: var(--spacing-6) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

.footer-social {
    display: flex;
    gap: var(--spacing-4);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-300);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* ===== ICON CLASSES ===== */
.icon-phone::before { content: "📞"; }
.icon-email::before { content: "✉️"; }
.icon-clock::before { content: "🕐"; }
.icon-whatsapp::before { content: "💬"; }
.icon-instagram::before { content: "📷"; }
.icon-location::before { content: "📍"; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.focus-visible:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .main-header,
    .footer-social,
    .btn,
    .mobile-menu-toggle {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}