/* ========================================
   LE BOOSTCAMP - Site Statique
   ======================================== */

/* --- VARIABLES --- */
:root {
    --blue: #03a9f4;
    --blue-dark: #0288d1;
    --orange: #f79007;
    --orange-dark: #e07d00;
    --green: #00bf87;
    --green-dark: #006a4b;
    --violet: #6632ff;
    --violet-dark: #4a1fcc;
    --white: #ffffff;
    --black: #1a1a2e;
    --gray-light: #f5f7fa;
    --gray: #6b7280;
    --gray-dark: #374151;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 40px rgba(0,0,0,0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

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

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

ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn--primary:hover {
    background: var(--orange-dark);
    border-color: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(247, 144, 7, 0.4);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    margin-left: 12px;
}

.btn--outline:hover {
    background: var(--white);
    color: var(--black);
    transform: translateY(-2px);
}

.btn--full { width: 100%; text-align: center; }

/* --- HEADER --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    transition: all var(--transition);
}

.header--scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo__img {
    height: 48px;
    width: auto;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__link {
    color: var(--white);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition);
}

.nav__link:hover,
.nav__link.active {
    background: rgba(255,255,255,0.1);
    color: var(--orange);
}

/* Dropdown */
.nav__dropdown {
    position: relative;
}

.nav__submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hover);
    padding: 8px 0;
    min-width: 260px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition);
}

.nav__dropdown:hover .nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__submenu a {
    display: block;
    padding: 10px 20px;
    color: var(--black);
    font-size: 0.88rem;
    font-weight: 500;
    transition: all var(--transition);
}

.nav__submenu a:hover {
    background: var(--gray-light);
    color: var(--orange);
    padding-left: 28px;
}

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.burger span {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition);
}

/* --- HERO --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--black);
    overflow: hidden;
}

.hero__video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 46, 0.55);
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(3,169,244,0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(247,144,7,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.hero__title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.15;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero__tagline {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    margin-bottom: 12px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero__desc {
    font-size: 1rem;
    opacity: 0.7;
    margin-bottom: 36px;
    animation: fadeInUp 1s ease 0.4s both;
}

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

/* --- SECTIONS --- */
.section {
    padding: 100px 0;
}

.section__title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    text-align: center;
    margin-bottom: 12px;
    color: var(--black);
}

.section__subtitle {
    text-align: center;
    color: var(--gray);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 60px;
}

/* --- À PROPOS --- */
.apropos {
    background: var(--gray-light);
}

.apropos__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.apropos__card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all var(--transition);
}

.apropos__card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.apropos__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.apropos__card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--black);
}

.apropos__card p {
    color: var(--gray);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* --- MODULES --- */
.modules__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.module-card {
    position: relative;
    display: block;
    padding: 40px 28px 28px;
    border-radius: var(--radius);
    color: var(--white);
    overflow: hidden;
    transition: all var(--transition);
    min-height: 280px;
}

.module-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.module-card--blue { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); }
.module-card--orange { background: linear-gradient(135deg, var(--orange), var(--orange-dark)); }
.module-card--violet { background: linear-gradient(135deg, var(--violet), var(--violet-dark)); }
.module-card--green { background: linear-gradient(135deg, var(--green), var(--green-dark)); }

.module-card__number {
    font-size: 4rem;
    font-weight: 800;
    opacity: 0.15;
    position: absolute;
    top: 10px;
    right: 20px;
    line-height: 1;
}

.module-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.module-card__desc {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.7;
    margin-bottom: 20px;
}

.module-card__duration {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.module-card__link {
    display: block;
    margin-top: 16px;
    font-weight: 600;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition);
}

.module-card:hover .module-card__link {
    opacity: 1;
    transform: translateX(0);
}

/* --- TEAM --- */
.team {
    background: var(--gray-light);
}

.team__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 28px;
}

.team__card {
    text-align: center;
    background: var(--white);
    padding: 32px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.team__card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.team__photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 16px;
    background: var(--gray-light);
    border: 3px solid var(--orange);
}

.team__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team__name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.team__role {
    display: inline-block;
    color: var(--orange);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.team__desc {
    color: var(--gray);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* --- CLIENTS --- */
.clients {
    padding: 60px 0;
    background: var(--white);
    overflow: hidden;
}

.clients__marquee {
    overflow: hidden;
    margin-top: 20px;
}

.clients__track {
    display: flex;
    gap: 48px;
    animation: marquee 25s linear infinite;
    width: max-content;
}

.clients__logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray);
    opacity: 0.5;
    white-space: nowrap;
    padding: 12px 24px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    transition: opacity var(--transition);
}

.clients__logo:hover {
    opacity: 1;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- CONTACT --- */
.contact {
    background: var(--black);
    color: var(--white);
}

.contact .section__title { color: var(--white); }
.contact .section__subtitle { color: rgba(255,255,255,0.6); }

.contact__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact__form {
    background: rgba(255,255,255,0.05);
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.1);
}

.form__group {
    margin-bottom: 20px;
}

.form__group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.8);
}

.form__group input,
.form__group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    color: var(--white);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition);
}

.form__group input:focus,
.form__group textarea:focus {
    outline: none;
    border-color: var(--orange);
    background: rgba(255,255,255,0.12);
}

.form__counter {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
    margin-top: 4px;
}

.form__error {
    display: none;
    color: #ff4d4d;
    font-size: 0.8rem;
    margin-top: 4px;
}

.form__success {
    text-align: center;
    color: var(--green);
    font-weight: 600;
    margin-top: 16px;
}

.contact__info {
    padding-top: 20px;
}

.contact__item {
    margin-bottom: 28px;
}

.contact__item h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--orange);
    margin-bottom: 8px;
}

.contact__item p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
}

.contact__item a {
    color: rgba(255,255,255,0.7);
}

.contact__item a:hover { color: var(--orange); }

.contact__socials {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--orange);
    transform: translateY(-3px);
}

/* --- FOOTER --- */
.footer {
    background: #0d0d1a;
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

.footer__links {
    margin-top: 8px;
}

.footer__links a {
    color: rgba(255,255,255,0.4);
}

.footer__links a:hover { color: var(--orange); }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav { display: none; }
    .nav--open {
        display: flex;
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(26,26,46,0.98);
        padding: 24px;
    }
    .nav--open .nav__list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    .nav--open .nav__link {
        display: block;
        padding: 14px 16px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .nav__submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255,255,255,0.05);
        border-radius: 8px;
        margin-top: 4px;
    }
    .nav__submenu a { color: rgba(255,255,255,0.7); }
    .nav__submenu a:hover { color: var(--orange); background: transparent; padding-left: 28px; }
    .burger { display: flex; }
    .burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .burger.active span:nth-child(2) { opacity: 0; }
    .burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

    .hero__title { font-size: 2.2rem; }
    .btn--outline { margin-left: 0; margin-top: 12px; }

    .contact__grid { grid-template-columns: 1fr; }
    .modules__grid { grid-template-columns: 1fr; }
    .team__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .team__grid { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
}

/* --- PAGE MODULE (pages internes) --- */
.page-hero {
    padding: 140px 0 80px;
    text-align: center;
    color: var(--white);
    position: relative;
}

.page-hero--blue { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); }
.page-hero--orange { background: linear-gradient(135deg, var(--orange), var(--orange-dark)); }
.page-hero--violet { background: linear-gradient(135deg, var(--violet), var(--violet-dark)); }
.page-hero--green { background: linear-gradient(135deg, var(--green), var(--green-dark)); }

.page-hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 12px;
}

.page-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.page-content {
    padding: 80px 0;
}

.program__day {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 36px;
    margin-bottom: 24px;
    border-left: 4px solid var(--orange);
}

.program__day h3 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--black);
}

.program__day ul {
    list-style: disc;
    padding-left: 20px;
}

.program__day li {
    margin-bottom: 8px;
    color: var(--gray-dark);
    line-height: 1.7;
}

.methods__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.method-card {
    text-align: center;
    padding: 24px 16px;
    background: var(--gray-light);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-dark);
}

/* --- À PROPOS PAGE --- */
.apropos-page {
    padding: 120px 0 80px;
    background: var(--gray-light);
}

.apropos-page__title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: 48px;
    color: var(--black);
}

.apropos-section {
    margin-bottom: 32px;
}

.apropos-section h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
}

.apropos-section p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-dark);
}

.competences-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.competences-grid--4 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.competence-card {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
}

.competence-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--green-dark);
}

.competence-card p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--gray-dark);
}

@media (max-width: 768px) {
    .competences-grid { grid-template-columns: 1fr; }
}

.apropos-intro__text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--gray-dark);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.clients-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
    align-items: center;
}

.client-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition);
}

.client-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}