/* Global Variables */
:root {
    --primary-blue: #0077C8;
    --secondary-blue: #005A9C;
    --light-blue: #E6F3FF;
    --white: #ffffff;
    --gray: #f8f9fa;
    --dark: #1A1A1A;
    --success-green: #28a745;
    --warning-yellow: #ffc107;
    --danger-red: #dc3545;
    --max-width: 1200px;
    --header-height: 82px;
    --section-padding: 4rem 1rem;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    line-height: 1.6;
    color: var(--dark);
}

img {
    max-width: 100%;
    height: auto;
}
/* Gallery Styles */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Problem Card Styles */
.problem-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.problem-image {
    width: 100%;
    height: 150px;
    margin-bottom: 1rem;
    overflow: hidden;
    border-radius: 8px;
}

.problem-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.problem-card:hover .problem-thumb {
    transform: scale(1.1);
}

.problem-card i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin: 1rem 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    line-height: 1.2;
}

/* Layout Components */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: var(--section-padding);
}

.section-gray {
    background: var(--gray);
}

.section-white {
    background: var(--white);
}

/* Grid System */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Header Styles */
.header {
    background: var(--white);
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--secondary-blue);
}

/* Hero Sections */
.hero {
    margin-top: var(--header-height);
    background: linear-gradient(rgba(0,119,200,0.9), rgba(0,90,156,0.9));
    color: var(--white);
    padding: 6rem 1rem;
    text-align: center;
}

.service-hero {
    margin-top: var(--header-height);
    padding: 4rem 1rem;
    background: linear-gradient(rgba(0,119,200,0.95), rgba(0,90,156,0.95));
    color: var(--white);
    text-align: center;
}

/* Cards */
.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,119,200,0.1);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: bold;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-blue);
}

/* Feature Cards */
.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

/* Process Steps */
.process-step {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: var(--light-blue);
    border-radius: 10px;
}

.step-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-blue);
    min-width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
}

/* FAQ Styles */
.faq-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    cursor: pointer;
}

.faq-question {
    font-weight: bold;
    color: var(--primary-blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    margin-top: 1rem;
    display: none;
}

.faq-answer.active {
    display: block;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25D366;
    color: white;
    border-radius: 50px;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    transition: all 0.3s;
    z-index: 1000;
}

.floating-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* Footer */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 3rem 1rem;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.social-links a:hover {
    transform: translateY(-3px);
}

/* Utilities */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.p-1 { padding: 1rem; }
.p-2 { padding: 2rem; }
.p-3 { padding: 3rem; }

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 1rem;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .process-step {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }
}/* Image Optimization Styles */
.responsive-img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Lazy Loading Styles */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease-in;
}

.lazy-load.loaded {
    opacity: 1;
}

/* Responsive Background Images */
.bg-responsive {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Image Aspect Ratio Containers */
.aspect-ratio-16-9 {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.aspect-ratio-4-3 {
    position: relative;
    padding-bottom: 75%; /* 4:3 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.aspect-ratio-1-1 {
    position: relative;
    padding-bottom: 100%; /* 1:1 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.aspect-ratio-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Blur-up lazy loading */
.blur-load {
    background-size: cover;
    background-position: center;
    position: relative;
}

.blur-load::before {
    content: "";
    position: absolute;
    inset: 0;
    animation: pulse 2.5s infinite;
    background-color: rgba(255, 255, 255, 0.2);
}

@keyframes pulse {
    0% { background-color: rgba(255, 255, 255, 0.2); }
    50% { background-color: rgba(255, 255, 255, 0.4); }
    100% { background-color: rgba(255, 255, 255, 0.2); }
}
/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}