/* ========================================
   OTM FICC & QUANT CLUB - Professional Styling
   Goldman Sachs / Citadel Inspired Design
   ======================================== */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Times New Roman', Times, serif;
    line-height: 1.6;
    color: #2c3e50;
    background: #ffffff;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ========================================
   Navigation Bar
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 31, 63, 0.98);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo {
    height: 65px;
    width: auto;
    transition: transform 0.3s ease;
    filter: brightness(0) invert(1);
}

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

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #ffffff;
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: #e0e0e0;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(0, 31, 63, 0.98);
    min-width: 150px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 1;
    margin-top: 10px;
    border-radius: 4px;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    color: #ffffff;
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    transition: background 0.3s ease;
}

.dropdown-content a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.contact-btn {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
    padding: 10px 30px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.contact-btn:hover {
    background: #ffffff;
    color: #001f3f;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s ease;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-bg.jpg') center/cover no-repeat fixed;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 31, 63, 0.85), rgba(0, 51, 102, 0.75));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    max-width: 900px;
    padding: 40px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-title-secondary {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 30px;
    font-weight: 300;
    opacity: 0.95;
}

.hero-divider {
    width: 100px;
    height: 3px;
    background: #ffffff;
    margin: 40px auto;
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-alt {
    background: #f8f9fa;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #001f3f;
    letter-spacing: 0.5px;
}

.section-divider {
    width: 80px;
    height: 3px;
    background: #001f3f;
    margin: 0 auto 60px;
}

.section-description {
    font-size: 18px;
    line-height: 1.9;
    color: #2c3e50;
    margin-bottom: 30px;
    text-align: justify;
}

/* ========================================
   Who We Are Section
   ======================================== */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.content-text {
    padding: 20px;
}

.content-images {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.content-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* ========================================
   What We Do Section
   ======================================== */
.content-block {
    margin-bottom: 60px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.content-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.content-card {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-content {
    padding: 30px;
}

.card-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #001f3f;
}

.card-text {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
}

/* ========================================
   Activities Section
   ======================================== */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.activity-card {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.activity-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.activity-img-wrapper {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.activity-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.activity-content {
    padding: 30px;
}

.activity-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #001f3f;
}

.activity-text {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
}

/* ========================================
   Join Us Section
   ======================================== */
.join-content {
    max-width: 900px;
    margin: 0 auto;
}

.join-intro {
    text-align: center;
    margin-bottom: 60px;
}

.join-subtitle {
    font-size: 32px;
    font-weight: 600;
    color: #001f3f;
    margin-bottom: 30px;
    text-align: center;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.benefit-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.benefit-item h4 {
    font-size: 20px;
    font-weight: 600;
    color: #001f3f;
    margin-bottom: 10px;
}

.benefit-item p {
    font-size: 15px;
    line-height: 1.6;
    color: #555;
}

.join-requirements {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 8px;
    margin-bottom: 60px;
}

.requirements-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirements-list li {
    font-size: 17px;
    line-height: 2;
    color: #2c3e50;
    padding-left: 30px;
    position: relative;
}

.requirements-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #001f3f;
    font-weight: bold;
    font-size: 20px;
}

.join-application {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(0, 31, 63, 0.05), rgba(0, 51, 102, 0.05));
    border-radius: 8px;
}

.application-text {
    font-size: 18px;
    line-height: 1.8;
    color: #2c3e50;
    margin-bottom: 30px;
}

.apply-btn {
    background: #001f3f;
    color: #ffffff;
    border: none;
    padding: 18px 50px;
    font-size: 18px;
    font-family: 'Times New Roman', Times, serif;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 5px 20px rgba(0, 31, 63, 0.2);
}

.apply-btn:hover {
    background: #003366;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 31, 63, 0.3);
}

.btn-icon {
    font-size: 24px;
}

.application-note {
    font-size: 15px;
    color: #666;
    margin-top: 20px;
}

.application-note a {
    color: #001f3f;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.application-note a:hover {
    color: #003366;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-content {
    text-align: center;
    padding: 40px 0;
}

.contact-info {
    max-width: 600px;
    margin: 0 auto;
}

.contact-text {
    font-size: 18px;
    margin-bottom: 30px;
    color: #2c3e50;
}

.contact-email {
    display: inline-block;
    font-size: 28px;
    color: #001f3f;
    text-decoration: none;
    font-weight: 600;
    padding: 15px 40px;
    border: 2px solid #001f3f;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.contact-email:hover {
    background: #001f3f;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 31, 63, 0.2);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: #001f3f;
    color: #ffffff;
    padding: 50px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    gap: 80px;
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section:first-child {
    flex: 1;
    align-items: center;
    text-align: center;
}

.footer-section:nth-child(2) {
    flex: 1;
}

.footer-section:nth-child(3) {
    flex: 1;
}

.footer-logo {
    height: 100px;
    width: auto;
    margin-bottom: 0px;
    margin-top: -10px;
    filter: brightness(0) invert(1);
    object-fit: contain;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 0.3px;
    margin-top: 0px;
}

.footer-text {
    font-size: 14px;
    line-height: 1.5;
    opacity: 0.9;
    margin: 0;
}

.footer-tagline {
    font-size: 15px;
    line-height: 1.6;
    opacity: 0.9;
    font-weight: 400;
    margin: 0;
    margin-top: -15px;
    width: 100%;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.9;
    transition: opacity 0.2s ease;
}

.footer-link:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    opacity: 0.7;
}

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

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 30px;
    }

    .content-grid-3 {
        grid-template-columns: 1fr;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 85px;
        left: -100%;
        width: 100%;
        background: rgba(0, 31, 63, 0.98);
        flex-direction: column;
        padding: 40px;
        transition: left 0.3s ease;
        gap: 20px;
    }

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

    .contact-btn {
        display: none;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-title-secondary {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .container {
        padding: 0 20px;
    }

    .nav-container {
        padding: 0 20px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .join-subtitle {
        font-size: 26px;
    }
    
    .join-requirements {
        padding: 30px 20px;
    }
    
    .requirements-list li {
        font-size: 15px;
    }
    
    .apply-btn {
        padding: 15px 35px;
        font-size: 16px;
    }
}