/* ================================================================
   🎨 INSTITUT PROFESSIONNEL DE LOMÉ - CSS MODERNE & PROFESSIONNEL
   ================================================================ */

/* ===============================================
   VARIABLES CSS - THÈME MODERNE
   =============================================== */
:root {
    /* Couleurs principales */
    --color-primary: #D61A3C;
    --color-primary-dark: #a01429;
    --color-primary-light: #ff2d55;
    
    --color-dark: #041c3f;
    --color-dark-alt: #0a2749;
    --color-navy: #1c186d;
    
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-gray-100: #f5f6fa;
    --color-gray-200: #e4e7eb;
    --color-gray-300: #cbd5e0;
    --color-gray-600: #718096;
    --color-gray-800: #2d3748;
    
    /* Typographie */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Montserrat', 'Inter', sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Ombres */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px 0 rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px 0 rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(214, 26, 60, 0.3);
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    color: var(--color-gray-800);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--color-white);
}

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

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

ul {
    list-style: none;
}

/* ===============================================
   TOP BAR - MODERNE
   =============================================== */
.top-bar {
    background: linear-gradient(135deg, #040f1a 0%, #162d44 100%);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 0.75rem 0;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.top-bar-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.top-bar-left span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-base);
}

.top-bar-left span:hover {
    color: var(--color-primary);
}

.top-bar-left i {
    color: var(--color-primary);
    font-size: 1.25rem;
}

/* conteneur icônes */
.top-bar-right-icons {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* bouton icône */
.top-bar-right-icons a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;
    background-color: var(--color-white);
    color: var(--color-gray-600);
    font-size: 16px;

    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

/* hover */
.top-bar-right-icons a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===============================================
   NAVIGATION - GLASSMORPHISM MODERNE
   =============================================== */
.main-header {
    position: relative;
}

.top-nav {
    background: linear-gradient(135deg, rgba(2, 10, 27, 0.98) 0%, rgba(10, 10, 39, 0.98) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(228, 218, 218, 0.925);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-header img {
    height: 65px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgb(3, 20, 19));
    transition: var(--transition-base);
}

.logo-header img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: rgba(229, 247, 248, 0.938);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition-base);
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: translateX(-50%);
    transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-white);
}

.nav-links a:hover::before,
.nav-links a.active::before {
    width: 100%;
}

/* Dropdown Menu - Moderne */
.dropdown {
    position: relative;
    padding-bottom: 8px;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 1rem);
    left: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    min-width: 240px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem;
    display: none;
    flex-direction: column;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu li a {
    padding: 0.875rem 1rem;
    display: block;
    color: var(--color-gray-800);
    font-size: 0.9375rem;
    font-weight: 500;
    text-transform: none;
    letter-spacing: normal;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.dropdown-menu li a::before {
    display: none;
}

.dropdown-menu li a:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    transform: translateX(5px);
}

.dropdown i {
    font-size: 0.75rem;
    margin-left: 0.375rem;
    transition: var(--transition-base);
}

.dropdown:hover i {
    transform: rotate(180deg);
}

/* Search Container - Moderne */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    color: rgba(252, 245, 245, 0.9);
    font-size: 1.125rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.search-icon:hover {
    color: var(--color-primary-light);
}

.search-input {
    width: 0;
    opacity: 0;
    padding: 0.625rem 1rem;
    margin-left: 0.75rem;
    border: 2px solid rgba(8, 8, 8, 0.2);
    border-radius: var(--radius-full);
    background: rgba(14, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    color: var(--color-red);
    font-size: 0.875rem;
    outline: none;
    transition: all var(--transition-smooth);
}

.search-input::placeholder {
    color: rgba(4, 11, 15, 0.945);
}

.search-container.active .search-input {
    width: 220px;
    opacity: 1;
}

.search-input:focus {
    background: rgba(241, 240, 240, 0.952);
    border-color: var(--color-primary);
}

/* ===============================================
   HERO SLIDER - ULTRA MODERNE
   =============================================== */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(4, 28, 63, 0.85) 0%,
        rgba(214, 26, 60, 0.4) 50%,
        rgba(4, 28, 63, 0.85) 100%
    );
}

.slide.active {
    opacity: 1;
    animation: slideZoom 10s ease-in-out;
}

@keyframes slideZoom {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--color-white);
    z-index: 10;
    max-width: 900px;
    padding: 2.5rem;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #fff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* CTA Buttons - Glassmorphism */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9375rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-lg);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(24, 5, 5, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-red {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
}

.btn-red:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-dark {
    background: rgba(12, 10, 10, 0.89);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    border: 2px solid rgba(8, 4, 4, 0.932);
}

.btn-dark:hover {
    background: rgba(17, 6, 6, 0.897);
    border-color: var(--color-white);
    transform: translateY(-3px);
}

/* ===============================================
   SECTIONS - DESIGN MODERNE
   =============================================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-title-dark,
.section-title-red {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: 1rem;
}

.section-title-dark {
    color: var(--color-dark);
}

.section-title-red {
    color: var(--color-primary);
}

.section-title-dark::after,
.section-title-red::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
}

/* Section À propos */
.about-section {
    padding: var(--spacing-2xl) 10%;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--color-white);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0% 100%);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
}

.about-content p:first-of-type {
    font-weight: 600;
    color: var(--color-gray-800);
}

/* ===============================================
   FORMATIONS - CARDS ULTRA MODERNES
   =============================================== */
.formations-section {
    background: var(--color-white);
    padding: var(--spacing-2xl) 5%;
}

.formations-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    color: var(--color-dark);
    background: linear-gradient(135deg, var(--color-dark), var(--color-navy));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.formations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.formation-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.75rem;
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: var(--color-gray-800);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.formation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.05) 100%);
    opacity: 0;
    transition: var(--transition-base);
}

.formation-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.formation-card:hover::before {
    opacity: 1;
}

.formation-text {
    flex: 1;
    z-index: 1;
}

.card-content {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.arrow {
    background: rgba(255, 255, 255, 0.9);
    padding: 0.75rem 1.125rem;
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    font-weight: 700;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    z-index: 1;
}

.formation-card:hover .arrow {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateX(8px);
}

.formation-card img {
    width: 110px;
    height: 110px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    z-index: 1;
}

.formation-card:hover img {
    transform: scale(1.1) rotate(3deg);
}

/* Couleurs des cards */
.formation-card.light {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.formation-card.red {
    background: linear-gradient(135deg, #ff2d55 0%, #d61a3c 100%);
    color: var(--color-white);
}

.formation-card.blue {
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
}

.formation-card.gray {
    background: linear-gradient(135deg, #a0aec0 0%, #718096 100%);
    color: var(--color-white);
}

.formation-card.health {
    background: linear-gradient(135deg, #d1f4e0 0%, #a7f3d0 100%);
}

/* ===============================================
   POURQUOI CHOISIR IPL - GLASSMORPHISM
   =============================================== */
.why-choose-section {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-navy) 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 5%;
    position: relative;
    overflow: hidden;
}

.why-choose-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(214, 26, 60, 0.2), transparent);
    border-radius: 50%;
}

.why-choose-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.section-title-light {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.advantage-list {
    list-style: none;
}

.advantage-list li {
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    font-size: 1.0625rem;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.advantage-list li::before {
    content: '✓';
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.advantage-list li:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.video-thumbnail {
    position: relative;
    cursor: pointer;
    width: 420px;
}

.video-thumbnail img {
    width: 100%;
    border-radius: 10px;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 60px;
    color: white;
    background: rgba(0,0,0,0.6);
    padding: 15px 25px;
    border-radius: 50%;
}

/* MODAL */
.video-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
}

.video-content {
    position: relative;
    width: 70%;
    margin: 5% auto;
}

.video-content video {
    width: 100%;
    border-radius: 10px;
}

.close-video {
    position: absolute;
    right: -30px;
    top: -30px;
    color: white;
    font-size: 40px;
    cursor: pointer;
}


/* ===============================================
   ACTUALITÉS - CARDS MODERNES
   =============================================== */
.news-events-section {
    padding: var(--spacing-2xl) 5%;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.publications-grid,
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 2.5rem auto 0;
}

.events-title {
    margin-top: var(--spacing-2xl);
}

.publication-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
    border: 1px solid var(--color-gray-200);
}

.publication-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.publication-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition-base);
}

.publication-card:hover img {
    transform: scale(1.1);
}

.publication-card p {
    padding: 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    line-height: 1.5;
}

.meta-info {
    padding: 0 1.25rem 1.25rem;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.meta-info a {
    color: var(--color-primary);
    font-weight: 600;
    transition: var(--transition-fast);
}

.meta-info a:hover {
    text-decoration: underline;
}

/* ===============================================
   FOOTER - MODERNE
   =============================================== */
.main-footer {
    background: linear-gradient(135deg, var(--color-dark) 0%, #0a1628 100%);
    color: var(--color-white);
    margin-top: var(--spacing-2xl);
    position: relative;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl) 5%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about,
.footer-contacts,
.footer-links {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.footer-logo {
    width: 140px;
    height: auto;
    margin-bottom: 1.5rem;
    filter: brightness(1.2);
}

.footer-about p {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.footer-contacts h3,
.footer-links h3 {
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-contacts p {
    margin-bottom: 0.875rem;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-primary);
    transform: translateX(5px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(0, 0, 0, 0.2);
    font-size: 0.875rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.news-link {
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===============================================
   MODAL LOGIN - GLASSMORPHISM ULTRA MODERNE
   =============================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    margin: 8% auto;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content h2 {
    text-align: center;
    color: var(--color-dark);
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--color-dark), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.close {
    color: var(--color-gray-600);
    float: right;
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-base);
    margin-top: -1rem;
    margin-right: -0.5rem;
}

.close:hover {
    color: var(--color-primary);
    transform: rotate(90deg);
}

#loginForm input {
    width: 100%;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition-base);
    background: var(--color-white);
}

#loginForm input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(214, 26, 60, 0.1);
    transform: translateY(-2px);
}

#loginForm input::placeholder {
    color: var(--color-gray-600);
}

#loginForm button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

#loginForm button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

#loginForm button:active {
    transform: translateY(-1px);
}

#loginMessage {
    margin-top: 1rem;
    padding: 0.875rem;
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    font-size: 0.9375rem;
}

/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */
@media (max-width: 1024px) {
    .why-choose-wrapper {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .top-bar-wrapper {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0 1rem;
    }
    
    .top-bar-left {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .top-nav {
        padding: 1rem;
    }
    
    .nav-links {
        display: none; /* Tu peux ajouter un burger menu ici */
    }
    
    .formations-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        padding: var(--spacing-xl) 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1.5rem;
    }
    
    .publications-grid,
    .events-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .modal-content {
        margin: 20% auto;
        padding: 2rem 1.5rem;
    }
}

/* ===============================================
   ANIMATIONS & UTILITIES
   =============================================== */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.slide-up {
    animation: slideUp 0.8s ease-out;
}

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

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--color-white);
}

::-moz-selection {
    background: var(--color-primary);
    color: var(--color-white);
}

.video-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 40px auto;
    width: 100%;
}

.video-container video {
    width: 80%;
    max-width: 800px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

.video-container video:hover {
    transform: scale(1.02);
}
@media (max-width: 768px) {

    .burger {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--color-dark);
        flex-direction: column;
        padding: 1rem;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }
}

@media (max-width: 768px) {
    .hero-slider {
        height: 70vh;
    }

    .hero-content {
        padding: 1rem;
        width: 90%;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

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


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

    .formation-card {
        flex-direction: column;
        text-align: center;
    }

    .formation-card img {
        width: 80px;
        height: 80px;
        margin-top: 1rem;
    }
}

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

    .video-container video {
        width: 100%;
    }
}