/* ===== RESET & BASE STYLES ===== */
:root {
    --primary: #1f3a5f;
    --primary-dark: #0f2a4a;
    --secondary: #ff7a00;
    --secondary-light: #ff8c26;
    --dark: #0f172a;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --success: #28a745;
    --danger: #dc3545;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-header {
    text-align: left;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);    
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===== HEADER ===== */
#header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.tagline {
    font-size: 0.9rem;
    color: var(--secondary);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-link {
    color: var(--primary);
    text-decoration: none;
    padding: 10px 15px;
    margin: 0 5px;
    font-weight: 600;
    border-radius: 5px;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.nav-link i {
    margin-right: 8px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary);
    background-color: rgba(255, 122, 0, 0.1);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--primary);
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.85), rgba(15, 42, 74, 0.9)),
        url('assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--white);
    margin-top: 80px;
}

.hero-overlay {
    width: 100%;
    padding: 60px 0;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    color: var(--secondary);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    justify-content: space-between;
    max-width: 600px;
    margin-top: 40px;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===== CLIENT SLIDER ===== */
.client-slider {
    background-color: var(--light);
    padding: 40px 0;
}

.client-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary);
}

.slider-container {
    overflow: hidden;
    position: relative;
}

.slider-track {
    display: flex;
    animation: scroll 30s linear infinite;
    width: max-content;
}

.slider-track img {
    height: 60px;
    margin: 0 40px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.slider-track img:hover {
    filter: grayscale(0);
    opacity: 1;
}

/* ===== ABOUT ===== */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: start;
}

.about-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-mission {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.mission-item {
    background-color: var(--light);
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.mission-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.mission-item i {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

.mission-item h3 {
    color: var(--primary);
    margin-bottom: 10px;
}

.certifications {
    background-color: var(--primary);
    color: var(--white);
    padding: 30px;
    border-radius: 10px;
}

.certifications h4 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.certifications ul {
    list-style: none;
}

.certifications li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.certifications li:last-child {
    border-bottom: none;
}

.certifications i {
    color: var(--secondary);
    margin-right: 10px;
}

/* ===== SERVICES ===== */
.services {
    background-color: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background-color: var(--secondary);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card:hover::before {
    width: 100%;
    opacity: 0.1;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.service-card h3 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card ul {
    list-style: none;
    margin-bottom: 20px;
}

.service-card li {
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--secondary);
}

.service-link i {
    margin-left: 8px;
    transition: var(--transition);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* ===== PORTFOLIO ===== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.portfolio-item {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-image {
    height: 200px;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    color: var(--white);
    text-align: center;
}

.image-placeholder i {
    font-size: 4rem;
    margin-bottom: 15px;
    display: block;
}

.portfolio-content {
    padding: 25px;
}

.portfolio-content h3 {
    color: var(--primary);
    margin-bottom: 10px;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.tag {
    background-color: var(--light);
    color: var(--primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.portfolio-cta {
    text-align: center;
    background-color: var(--light);
    padding: 30px;
    border-radius: 10px;
}

.portfolio-cta p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* ===== FEATURES ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.feature-card h3 {
    color: var(--primary);
    margin-bottom: 15px;
}

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.contact-info h3,
.contact-form-container h3 {
    color: var(--primary);
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.contact-item {
    display: flex;
    margin-bottom: 25px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-right: 15px;
    margin-top: 5px;
}

.contact-item h4 {
    color: var(--primary);
    margin-bottom: 5px;
}

.social-links h4 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary);
    font-weight: 600;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.map-container {
    margin-top: 50px;
}

.map-container h3 {
    color: var(--primary);
    margin-bottom: 20px;
    text-align: center;
}

.map-placeholder {
    background-color: var(--light);
    height: 500px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.map-placeholder i {
    font-size: 4rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-col p {
    margin-bottom: 20px;
    opacity: 0.8;
}

.footer-contact p {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.footer-contact i {
    margin-right: 10px;
    color: var(--secondary);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.newsletter-form {
    display: flex;
    margin-top: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 5px 0 0 5px;
}

.newsletter-form button {
    background-color: var(--secondary);
    color: var(--white);
    border: none;
    padding: 0 20px;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--secondary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-bottom p {
    margin-bottom: 10px;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

/* ===== ANIMATIONS ===== */
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        margin: 10px 0;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.3rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero {
        margin-top: 70px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}