:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #3498db;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid #e5e7eb;
    font-size: 0.95rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.nav-toggle:active {
    transform: scale(0.96);
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hero {
    height: 100vh;
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)),
                url('french.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 1rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #c0392b;
}

section {
    padding: 5rem 2rem;
}

.about, .services, .contact {
    background-color: var(--light-bg);
}

.about-content, .services, .contact-content {
    max-width: 1200px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.skills ul {
    list-style: none;
}

.skills li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.skills li:before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.service-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#contact-form input,
#contact-form textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

#contact-form textarea {
    height: 150px;
    resize: vertical;
}

.submit-button {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: #c0392b;
}

.submit-button.is-loading,
.submit-button:disabled {
    opacity: 0.8;
    cursor: not-allowed;
}

.submit-button.is-loading {
    position: relative;
}

.submit-button.is-loading::after {
    content: "";
    position: absolute;
    right: 16px;
    top: 50%;
    width: 16px;
    height: 16px;
    margin-top: -8px;
    border: 2px solid rgba(255,255,255,0.6);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

#form-status {
    margin-top: 0.5rem;
    min-height: 1.25rem;
    font-size: 0.95rem;
}

#form-status.status-success {
    color: #16a34a;
}

#form-status.status-error {
    color: #dc2626;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

/* WhatsApp styling */
.info-item i.fab.fa-whatsapp {
    color: #25D366;
}

.whatsapp-link {
    color: #0f172a;
    text-decoration: none;
    font-weight: 600;
    padding: 0.2rem 0.4rem;
    border-radius: 6px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.whatsapp-link:hover {
    background-color: rgba(37, 211, 102, 0.12);
}

footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.is-open { display: flex; }

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    animation: fadeIn 200ms ease forwards;
}

.modal-card {
    position: relative;
    background: var(--white);
    width: min(92%, 420px);
    border-radius: 14px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    padding: 1.5rem;
    transform: translateY(12px) scale(0.98);
    opacity: 0;
    animation: popIn 220ms cubic-bezier(.2,.8,.2,1) 40ms forwards;
    text-align: center;
}

.modal-close {
    position: absolute;
    top: 8px;
    right: 10px;
    background: transparent;
    border: none;
    font-size: 1.6rem;
    color: #666;
    cursor: pointer;
}

.modal-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.modal-spinner {
    display: inline-block;
    width: 28px;
    height: 28px;
    border: 3px solid rgba(0,0,0,0.15);
    border-top-color: var(--secondary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.modal-title {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.modal-message { color: var(--text-color); margin-bottom: 1rem; }

.modal-action {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    cursor: pointer;
}

@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
@keyframes popIn { to { opacity: 1; transform: translateY(0) scale(1) } }

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

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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

@media (max-width: 768px) {
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 36px;
    }

    .nav-links {
        position: fixed;
        top: 64px;
        right: 16px;
        left: 16px;
        display: none;
        flex-direction: column;
        gap: 0;
        background: var(--white);
        border-radius: 10px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.12);
        overflow: hidden;
        animation: slideDown 250ms ease forwards;
        z-index: 1100;
    }

    .nav-links li {
        border-bottom: 1px solid #eee;
    }

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

    .nav-links a {
        display: block;
        padding: 1rem 1.25rem;
    }

    .nav-links.is-open {
        display: flex;
    }
    
    .about-grid,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.about-text {
    padding-right: 2rem;
}

.portfolio-button {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 1.5rem;
    background-color: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.portfolio-button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.achievements {
    padding: 5rem 2rem;
    background-color: var(--light-bg);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.achievement-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.achievement-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.achievement-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .timeline::after {
        left: 31px;
    }

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

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

    .timeline-item::after {
        left: 21px;
    }

    .timeline-item:nth-child(even)::after {
        left: 21px;
    }
}