/* Base Styles */
:root {
    --primary-color: #1f6e8c;
    --secondary-color: #0e2954;
    --accent-color: #84a7a1;
    --light-color: #f5f5f5;
    --dark-color: #333;
    --text-color: #444;
    --border-color: #ddd;
    --transition: all 0.3s ease;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.underline {
    height: 4px;
    width: 70px;
    background-color: var(--accent-color);
    margin: 0 auto;
    margin-top: 0.5rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
}

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

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

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition);
    padding: 1rem 0;
}

.header.sticky {
    background-color: white;
    box-shadow: var(--box-shadow);
    padding: 0.7rem 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.9);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--box-shadow);
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-menu li {
    margin-left: 2rem;
}

.nav-link {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 0.3rem;
}

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

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

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

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

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

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(to right, rgba(31, 110, 140, 0.9), rgba(14, 41, 84, 0.8)), url('https://source.unsplash.com/random/1920x1080/?nature,environment') no-repeat center center/cover;
    display: flex;
    align-items: center;
    color: white;
    position: relative;
}

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

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: white;
}

.hero-text h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-container {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--box-shadow);
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-placeholder i {
    font-size: 10rem;
    color: rgba(255, 255, 255, 0.7);
}

/* About Section */
.about {
    background-color: white;
}

.about-content {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.about-text {
    flex: 2;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-cta {
    margin-top: 2rem;
}

.about-stats {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.stat-item {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-title {
    font-weight: 500;
}

/* Competencies Section */
.competencies {
    background-color: var(--light-color);
}

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

.skill-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-5px);
}

.skill-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Experience Section */
.experience {
    background-color: white;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--accent-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    z-index: 1;
    top: 15px;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-date {
    position: absolute;
    top: 12px;
    font-weight: 600;
    color: var(--primary-color);
}

.timeline-item:nth-child(odd) .timeline-date {
    right: -150px;
}

.timeline-item:nth-child(even) .timeline-date {
    left: -150px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--light-color);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--secondary-color);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.timeline-content ul {
    padding-left: 1.5rem;
}

.timeline-content ul li {
    list-style-type: disc;
    margin-bottom: 0.5rem;
}

/* Clients Section */
.clients {
    background-color: var(--light-color);
}

.clients-content {
    display: flex;
    gap: 3rem;
}

.clients-list, .certifications {
    flex: 1;
}

.clients-list h3, .certifications h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.clients-list ul {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.clients-list ul li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
}

.clients-list ul li:last-child {
    border-bottom: none;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.cert-item {
    background-color: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

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

.cert-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

.cert-info h4 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: var(--secondary-color);
}

.cert-info p {
    font-size: 0.9rem;
    color: var(--text-color);
    margin-bottom: 0;
}

/* Contact Section */
.contact {
    background-color: white;
}

.contact-content {
    display: flex;
    gap: 3rem;
}

.contact-info, .contact-form {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    gap: 1rem;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    background-color: rgba(31, 110, 140, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-text h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.contact-text p a {
    color: var(--text-color);
}

.contact-text p a:hover {
    color: var(--primary-color);
}

.contact-social h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 4rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

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

.footer-links h4, .footer-social h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-social .social-icons {
    margin-top: 1rem;
}

.footer-social .social-icon {
    background-color: rgba(255, 255, 255, 0.1);
}

.footer-social .social-icon:hover {
    background-color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--accent-color);
}

.footer-bottom a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        margin-bottom: 3rem;
    }

    .hero-cta {
        justify-content: center;
    }

    .about-content {
        flex-direction: column;
    }

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

    .about-cta {
        display: flex;
        justify-content: center;
    }

    .clients-content {
        flex-direction: column;
    }

    .contact-content {
        flex-direction: column;
    }
}

@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: 70px;
        gap: 0;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1.5rem 0;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text h2 {
        font-size: 1.5rem;
    }

    .image-container {
        width: 250px;
        height: 250px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline-dot {
        left: 21px;
    }

    .timeline-item:nth-child(odd) .timeline-dot {
        right: auto;
        left: 21px;
    }

    .timeline-date {
        position: relative;
        top: 0;
        margin-bottom: 0.5rem;
        display: block;
    }

    .timeline-item:nth-child(odd) .timeline-date,
    .timeline-item:nth-child(even) .timeline-date {
        right: auto;
        left: auto;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links, .footer-social {
        width: 100%;
    }

    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text h2 {
        font-size: 1.2rem;
    }

    .hero-text p {
        font-size: 1rem;
    }

    .image-container {
        width: 200px;
        height: 200px;
    }

    .btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.8rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }
}