/* Mode sombre par défaut */
:root {
    --background: #0D1F23;
    --surface: #132E35;
    --text-main: #fff;
    --text-subtle: #AFB3B7;
    --accent: #69818D;
    --accent-hover: #2D4A53;
    --button-text: #fff;
    --border: #2D4A53;
    --link-hover: #AFB3B7;
    --color1: var(--background);
    --color2: var(--surface);
    --color3: #2D4A53;
    --color4: var(--accent);
    --color5: var(--text-subtle);
    --color6: #5A636A;
    --white: #fff;
    --black: #111;
    --transition: 0.3s cubic-bezier(.4,0,.2,1);
    --shadow: 0 4px 24px rgba(31,41,55,0.08);
    --radius: 1.5rem;
    --font-main: 'Poppins', Arial, sans-serif;
    --icon-color: #fff;
}

/* Mode clair si body.light-mode est activé */
body.light-mode {
    --background: #F9FAFB;
    --surface: #FFFFFF;
    --text-main: #1F2937;
    --text-subtle: #6B7280;
    --accent: #376775;
    --accent-hover: #29444d;
    --button-text: #FFFFFF;
    --border: #E5E7EB;
    --link-hover: #29444d;
    --color1: var(--background);
    --color2: var(--surface);
    --color3: #E5E7EB;
    --color4: var(--accent);
    --color5: var(--text-subtle);
    --color6: #5A636A;
    --white: #fff;
    --black: #111;
    --icon-color: var(--accent);
}


html {
    scroll-behavior: smooth;
}

body, .header, .services, .about, .projects, .contact, .footer, .project-card, .service-card, .team-card, input, textarea, .btn, .cta-btn, .submit-btn, .project-btn, .skill-badge, .nav-links li a, .mode-toggle {
    transition: background 0.1s, color 0.1s, border-color 0.1s, box-shadow 0.1s;
}

body {
    font-family: var(--font-main);
    background: var(--background);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header & Navbar */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--surface);
    box-shadow: var(--shadow);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.logo {
    display: flex;
    align-items: center;
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--accent);
}
.logo-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
}
.logo-img {
    height: 155px;
    width: auto;
    display: block;
    margin: 0 0.5rem 0 0;
    vertical-align: middle;
}
.navbar {
    display: flex;
    align-items: center;
}
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-links li a {
    text-decoration: none !important;
    color: var(--accent);
    position: relative;
}
.nav-links li a::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
    position: absolute;
    left: 0;
    bottom: -4px;
}
.nav-links li a:hover::after {
    width: 100%;
}
.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    margin-left: 1rem;
}
.burger span {
    width: 25px;
    height: 3px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all var(--transition);
}
.burger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.burger.active span:nth-child(2) {
    opacity: 0;
}
.burger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}
.mode-toggle {
    background: none;
    border: none;
    margin-left: 1.5rem;
    cursor: pointer;
    font-size: 1.7rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    outline: none;
    position: relative;
    z-index: 110;
}
.mode-toggle:focus {
    outline: 2px solid var(--accent);
}
.icon-moon, .icon-sun {
    transition: opacity 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}
.hero-content {
    position: relative;
    z-index: 2;
}
.hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-main);
}
.hero .accent {
    color: var(--accent);
}
.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: var(--text-subtle);
}
.cta-btn {
    background: var(--accent);
    color: var(--button-text);
    padding: 0.9rem 2.2rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow);
}
.cta-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-3px) scale(1.04);
}
.hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 60% 40%, var(--color3) 0%, transparent 70%),
                radial-gradient(circle at 30% 70%, var(--accent) 0%, transparent 80%);
    opacity: 0.5;
    z-index: 1;
    animation: gradientMove 8s ease-in-out infinite alternate;
}
@keyframes gradientMove {
    0% { background-position: 60% 40%, 30% 70%; }
    100% { background-position: 70% 50%, 20% 80%; }
}

/* About Section */
.about {
    padding: 5rem 0 3rem 0;
    background: var(--surface);
}
.about-container {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}
.about-img img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent);
    box-shadow: var(--shadow);
    background: var(--color4);
}
.about-content {
    flex: 1;
}
.about-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}
.about-content p {
    font-size: 1.1rem;
    color: var(--text-subtle);
    margin-bottom: 1.5rem;
}
.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}
.skill-badge {
    background: var(--border);
    color: var(--text-main);
    padding: 0.4rem 1.1rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.skill-badge:hover {
    background: var(--accent);
    color: var(--button-text);
}

/* Services Section */
.services {
    padding: 5rem 0 3rem 0;
    background: var(--surface);
}
.services h2 {
    text-align: center;
    color: var(--text-main);
    margin-bottom: 2.5rem;
    font-size: 2rem;
}
.services-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}
.service-card {
    background: var(--surface);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    flex: 1 1 300px;
    max-width: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.service-card:hover {
    transform: translateY(-7px) scale(1.03);
    box-shadow: 0 8px 32px rgba(13,31,35,0.18);
}
.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent);
}
.service-icon i {
    font-size: 2.2rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
}
.service-card:hover .service-icon i {
    color: var(--accent-hover);
    transform: scale(1.12) rotate(-6deg);
}
.service-card h3 {
    margin-bottom: 0.7rem;
    color: var(--text-main);
    font-size: 1.2rem;
}
.service-card p {
    color: var(--text-subtle);
    font-size: 1rem;
}

/* Projects Section */
.projects {
    padding: 5rem 0 3rem 0;
    background: var(--surface);
}
.projects-title {
    text-align: center;
    color: var(--accent);
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    letter-spacing: -1px;
}
.projects-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
@media (min-width: 600px) {
    .projects-cards {
        grid-template-columns: 1fr 1fr;
    }
}
@media (min-width: 900px) {
    .projects-cards {
        grid-template-columns: 1fr 1fr 1fr;
    }
}
.project-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 4px 24px rgba(31,41,55,0.10);
    padding: 2.2rem 1.5rem 1.7rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    min-height: 340px;
}
.project-card:hover {
    transform: translateY(-8px) scale(1.035);
    box-shadow: 0 4px 20px rgba(55, 103, 117, 0.2);
    z-index: 2;
}
.project-thumb {
    width: 64px;
    height: 64px;
    object-fit: contain;
    margin-bottom: 1.2rem;
    border-radius: 18px;
    background: var(--color3);
    box-shadow: 0 2px 8px rgba(31,41,55,0.10);
}
.project-card h3 {
    color: var(--text-main);
    font-size: 1.18rem;
    font-weight: 600;
    margin: 0 0 0.7rem 0;
}
.project-card p {
    color: var(--text-subtle);
    font-size: 1rem;
    margin-bottom: 1.3rem;
}
.project-tech {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.project-btn {
    background: var(--accent);
    color: var(--button-text);
    border: none;
    border-radius: 999px;
    padding: 0.6rem 1.7rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(31,41,55,0.08);
    margin-top: auto;
    outline: none;
}
.project-btn:hover, .project-btn:focus {
    background: var(--accent-hover);
    color: var(--button-text);
    box-shadow: 0 4px 16px var(--accent-hover);
}
/* Animation fade-in */
.project-fade {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}
.project-fade.visible {
    opacity: 1;
    transform: none;
}

/* Contact Section */
.contact {
    padding: 5rem 0 3rem 0;
    background: var(--surface);
}
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}
.contact h2 {
    color: var(--text-main);
    margin-bottom: 2rem;
    font-size: 2rem;
}
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 2rem;
}
.form-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
}
.contact-form label {
    color: var(--text-subtle);
    font-size: 1rem;
}
.contact-form input,
.contact-form textarea {
    width: 97%;
    padding: 0.7rem 0;
    padding-left: 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-main);
    font-size: 1rem;
    margin-top: 0.2rem;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid var(--accent);
    background: var(--surface);
}
.submit-btn {
    background: var(--accent);
    color: var(--button-text);
    border: none;
    border-radius: var(--radius);
    padding: 0.7rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-top: 0.2rem;
    text-align: center;
    display: block;
}
.submit-btn:hover {
    background: var(--accent-hover);
    color: var(--button-text);
}
.form-message {
    margin-top: 1rem;
    font-size: 1rem;
    color: var(--accent);
    min-height: 1.2em;
}
.contact-socials {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.contact-location {
    color: var(--text-subtle);
    font-size: 1rem;
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background: var(--surface);
    color: var(--text-main);
    padding: 1.2rem 0;
    text-align: center;
    position: relative;
}
.footer-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}
.scroll-top {
    background: var(--accent);
    color: var(--button-text);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    cursor: pointer;
    position: fixed;
    bottom: 1rem;
    right: 2rem;
    box-shadow: var(--shadow);
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0.85;
    z-index: 200;
}
.scroll-top.show {
    display: flex;
}
.scroll-top:hover {
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 900px) {
    .about-container {
        flex-direction: column;
        align-items: center;
    }
    .about-img {
        margin-bottom: 2rem;
    }
}
@media (max-width: 770px) {
    .nav-links {
        position: fixed;
        left: 0;
        top: 0;
        width: 100vw;
        height: 100vh;
        background: var(--surface);
        flex-direction: column;
        transform: translateX(100%);
        transition: transform var(--transition);
        padding: 2rem;
        box-shadow: var(--shadow);
        z-index: 100;
        gap: 2rem;
        justify-content: center;
        align-items: center;
    }
    .nav-links.open {
        transform: translateX(0);
    }
    .container, .navbar, .header {
        max-width: 100vw;
    }
    .burger {
        display: flex;
        z-index: 200;
        background: var(--surface);
        border-radius: 50%;
        padding: 0.7rem;
        box-shadow: var(--shadow);
    }
    .burger span {
        background: var(--text-main);
        transition: all var(--transition);
    }
    .burger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .burger.active span:nth-child(2) {
        opacity: 0;
    }
    .burger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}
@media (max-width: 500px) {
    /* .container {
        width: 98%;
    } */
    .about-img img {
        width: 120px;
        height: 120px;
    }
    .project-card {
        /* width: 98vw; */
        min-width: unset;
    }
}

/* Bouton Envoyer en chargement */
.submit-btn.loading {
    opacity: 0.6;
    cursor: wait;
    pointer-events: none;
}

/* Section Équipe */
.team {
    padding: 5rem 0 3rem 0;
    background: var(--surface);
}
.team h2 {
    text-align: center;
    color: var(--accent);
    margin-bottom: 1.2rem;
    font-size: 2rem;
}
.team-desc {
    text-align: center;
    color: var(--text-subtle);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
}
.team-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}
.team-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    flex: 1 1 300px;
    max-width: 350px;
}
.team-card:hover {
    transform: translateY(-7px) scale(1.03);
    box-shadow: 0 8px 32px rgba(13,31,35,0.18);
}
.team-card img {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 3px solid var(--accent);
    background: var(--color3);
}
.team-card h3 {
    margin: 0.5rem 0 0.2rem 0;
    color: var(--text-main);
    font-size: 1.15rem;
}
.team-role {
    color: var(--accent);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}
.team-card p {
    font-style: italic;
    color: var(--text-subtle);
    margin: 0;
}
@media (max-width: 900px) {
    .team-cards {
        flex-direction: column;
        align-items: center;
    }
    .team-card,.service-card{
        width: 50%;
    }
}

/* Liens sans soulignement */
a, a:visited, a:active {
    text-decoration: none;
}

/* Contact icônes + label */
.contact-methods {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 1.2rem;
}
.contact-icon-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--icon-color);
    font-size: 1.1rem;
    font-weight: 500;
    transition: color 0.2s;
}

.contact-icon-label i {
    font-size: 1.4rem;
}
.contact-icon-label:hover {
    color: var(--accent-hover);
}

/* Nouveau footer */
.new-footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.5rem;
}
.footer-socials-group {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}
.footer-logo {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.footer-copyright {
    text-align: center;
    color: var(--text-subtle);
    font-size: 1rem;
    margin-top: 0.5rem;
    margin-bottom: 0.2rem;
}
@media (max-width: 700px) {
    .new-footer-container {
        flex-direction: column-reverse;
        gap: 1rem;
        align-items: center;
    }
    .footer-logo {
        justify-content: center;
    }
    .footer-socials-group {
        justify-content: center;
    }
}

html, body {
    overflow-x: hidden;
}