/* ===========================
   Reset e Variabili
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #911f1e;
    --primary-dark: #6b1716;
    --primary-light: #b32826;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --shadow: 0 2px 10px rgba(145, 31, 30, 0.1);
    --shadow-hover: 0 5px 20px rgba(145, 31, 30, 0.2);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
   Header e Navigation
   =========================== */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    white-space: nowrap;
}

.logo img {
    height: 60px;
    width: auto;
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 15px;
    border-radius: 5px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-menu a:hover {
    color: var(--primary-color);
    background-color: rgba(145, 31, 30, 0.05);
}

.nav-menu a.active {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    text-align: center;
    margin-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 5px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.4s both;
}

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

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: white;
    color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
    transform: translateY(-3px);
}

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

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

.btn-outline-light {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-nav-cta {
    background-color: var(--primary-color);
    color: white !important;
    padding: 8px 20px;
    border-radius: 50px;
}

.btn-nav-cta:hover {
    background-color: var(--primary-dark);
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s both;
}

/* ===========================
   Sections
   =========================== */
.section {
    padding: 100px 0;
}

.section-light {
    background-color: var(--bg-white);
}

.section-dark {
    background-color: var(--bg-light);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-content {
    max-width: 900px;
    margin: 0 auto;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.intro-text .lead {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.intro-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.lead-text {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.cta-center {
    text-align: center;
    margin-top: 2rem;
}

/* ===========================
   Page Header
   =========================== */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    padding: 150px 20px 80px;
    text-align: center;
    margin-top: 80px;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    opacity: 0.9;
}

/* ===========================
   Cards Grid
   =========================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.card p {
    color: var(--text-light);
    line-height: 1.6;
}

.cards-grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 2rem;
}

.card-minimal {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.card-minimal:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-minimal h3 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-top: 0.5rem;
    line-height: 1.4;
}

/* ===========================
   Values Grid
   =========================== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 2rem;
}

.value-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.value-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.value-card h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.value-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ===========================
   Featured Event
   =========================== */
.featured-event {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow-hover);
    position: relative;
}

.featured-event-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.event-meta {
    display: flex;
    gap: 30px;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.event-location,
.event-date {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 500;
}

.event-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Event hero meta on dark background */
.event-hero .event-location,
.event-hero .event-date,
.event-hero-meta .event-location,
.event-hero-meta .event-date {
    color: white;
    opacity: 0.95;
}

/* ===========================
   Activity List
   =========================== */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 2rem;
}

.activity-item {
    display: flex;
    gap: 25px;
    align-items: flex-start;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.activity-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.activity-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.activity-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.activity-content p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ===========================
   Events Section
   =========================== */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 2rem;
}

.event-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.event-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.event-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.event-badge-upcoming {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
}

.event-badge-past {
    background: linear-gradient(135deg, #666, #888);
    color: white;
}

.event-category {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.event-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.event-excerpt {
    color: var(--text-light);
    line-height: 1.7;
    margin: 1.5rem 0;
}

/* ===========================
   Event Detail Page
   =========================== */
.event-hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    padding: 150px 20px 80px;
    margin-top: 80px;
}

.event-hero-with-image {
    position: relative;
    min-height: 500px;
}

.event-hero-with-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 0;
}

.event-hero-with-image .container {
    position: relative;
    z-index: 1;
}

.breadcrumb {
    font-size: 0.9rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.event-hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.event-hero-subtitle {
    max-width: 800px;
}

.event-type {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 1rem;
}

.event-hero-meta {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 1.1rem;
}

.keynote-speaker {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    max-width: 800px;
    margin: 0 auto;
}

.keynote-speaker h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

/* ===========================
   Event Poster
   =========================== */
.event-poster {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.poster-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.poster-image:hover {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    transform: scale(1.02);
}

/* ===========================
   Program Section
   =========================== */
.program-day {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.program-day-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.program-session {
    margin-bottom: 2rem;
}

.program-session:last-child {
    margin-bottom: 0;
}

.program-session h4 {
    color: var(--text-dark);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.program-list {
    list-style: none;
    padding-left: 0;
}

.program-list li {
    padding: 0.8rem 0 0.8rem 2rem;
    border-left: 3px solid var(--primary-color);
    margin-bottom: 0.5rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===========================
   Materials Section
   =========================== */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 2rem;
}

.material-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.material-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.material-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.material-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.material-coming-soon {
    display: inline-block;
    color: var(--text-light);
    font-style: italic;
    font-size: 0.9rem;
    padding: 8px 20px;
    background: var(--bg-light);
    border-radius: 20px;
}

/* ===========================
   Collaboration Components
   =========================== */
.collaboration-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 2rem;
}

.collaboration-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.collaboration-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.collaboration-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.collaboration-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.collaboration-form-wrapper {
    max-width: 800px;
    margin: 2rem auto 0;
}

.form-intro {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 2rem;
    text-align: center;
}

.collaboration-form {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* ===========================
   Documents Section
   =========================== */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 2rem;
}

.document-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.document-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.document-card h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.document-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 2rem;
}

/* ===========================
   Info ETS Section
   =========================== */
.info-ets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 2rem;
}

.info-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.info-card:hover {
    box-shadow: var(--shadow-hover);
}

.info-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.info-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 0.8rem;
}

.info-card p:last-child {
    margin-bottom: 0;
}

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

.info-card a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.info-subtitle {
    font-style: italic;
    font-size: 0.95rem;
}

.info-detail {
    font-size: 0.95rem;
}

/* ===========================
   Contact Section
   =========================== */
.section-contact {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

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

.contact-details p {
    color: var(--text-light);
    line-height: 1.7;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    word-break: break-word;
}

.contact-details a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.contact-form-wrapper {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    background-color: white;
    cursor: pointer;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    cursor: pointer;
}

.form-checkbox label {
    font-weight: 400;
    font-size: 0.9rem;
    cursor: pointer;
}

.contact-form .btn-primary,
.collaboration-form .btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    margin-top: 10px;
    width: 100%;
}

.contact-form .btn-primary:hover,
.collaboration-form .btn-primary:hover {
    background-color: var(--primary-dark);
}

.form-note {
    font-size: 0.85rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 15px;
    font-style: italic;
}

/* Alert Messages */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert p {
    margin: 0;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-logo {
    height: 80px;
    margin-bottom: 1rem;
}

.footer-text {
    color: #cccccc;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.footer-subtitle {
    color: #aaa;
    font-size: 0.85rem;
    font-style: italic;
}

.footer-email {
    margin-top: 1rem;
}

.footer-email a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
    word-break: break-word;
}

.footer-email a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.footer-contact {
    color: #cccccc;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-contact a {
    color: #cccccc;
    text-decoration: none;
    transition: var(--transition);
    word-break: break-word;
}

.footer-contact a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #cccccc;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-section p {
    color: #cccccc;
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #888;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #888;
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.powered-by {
    margin-top: 10px;
    font-size: 0.85rem;
    color: #666;
}

.powered-by a {
    color: #666;
    font-weight: 600;
}

.powered-by a:hover {
    color: var(--primary-color);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 20px 0;
        gap: 0;
    }

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

    .nav-menu a {
        display: block;
        padding: 15px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero {
        margin-top: 80px;
        height: 80vh;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .activity-item {
        flex-direction: column;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .page-header {
        padding: 120px 20px 60px;
    }

    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1.1rem;
    }

    .cards-grid-4 {
        grid-template-columns: 1fr;
    }

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

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

    .event-hero {
        padding: 120px 20px 60px;
    }

    .event-hero-title {
        font-size: 2rem;
    }

    .event-hero-meta {
        flex-direction: column;
        gap: 15px;
    }

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

    .collaboration-areas {
        grid-template-columns: 1fr;
    }

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

    .info-ets-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .poster-image:hover {
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 50px;
    }

    .logo-text {
        font-size: 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }
}