/* Root Variables */
:root {
    --primary-dark: #181d1e;
    --secondary-dark: #202628;
    --y-dark: #0b457e;
    --accent-blue: #3949ab;
    --accent-blue: #3949ab;
    --t-blue: #23128d;
    --light-blue: #7986cb;
    --text-white: #ffffff;
    --text-light: #e8eaf6;
    --text-gray: #b0bec5;
    --shadow-dark: rgba(24, 29, 30, 0.5);
    --shadow-light: rgba(255, 255, 255, 0.1);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Navigation Styles */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(135deg, rgba(14, 58, 74, 0.95), rgba(14, 58, 74, 0.98));
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    padding: 0 2rem;
}

nav ul {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 70px;
    max-width: 1200px;
    margin: 0 auto;
    list-style: none;
    gap: 3rem;
}

nav ul li {
    position: relative;
}

nav ul li a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 1.6rem;
    font-weight: 500;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
}

nav ul li a:hover {
    /* No hover effects - only underline will show */
}

nav ul li a.active {
    /* No active effects - only underline will show */
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--light-blue));
    transition: width 0.3s ease;
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 80%;
}

/* Mobile Navigation Toggle */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    background: var(--y-dark);
    border: 2px solid var(--accent-blue);
    border-radius: 8px;
    width: 50px;
    height: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
}

.mobile-nav-toggle:hover {
    background: var(--accent-blue);
    transform: scale(1.05);
}

.mobile-nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-white);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-nav-toggle:hover span {
    background: var(--text-white);
}

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

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

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

/* Mobile Navigation Menu */
.mobile-nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    z-index: 9998;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(-100%);
    transition: transform 0.4s ease;
}

.mobile-nav-menu.active {
    display: flex;
    transform: translateX(0);
}

.mobile-nav-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
    flex-direction: column;
    gap: 2rem;
    height: auto;
}

.mobile-nav-menu ul li {
    margin: 0;
}

.mobile-nav-menu ul li a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 2.4rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 1.5rem 3rem;
    border: 2px solid transparent;
    border-radius: 12px;
    transition: all 0.3s ease;
    display: inline-block;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.mobile-nav-menu ul li a:hover,
.mobile-nav-menu ul li a.active {
    color: var(--primary-dark);
    background: var(--text-white);
    border-color: var(--accent-blue);
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(57, 73, 171, 0.3);
}

/* Body scroll lock when mobile menu is open */
body.nav-open {
    overflow: hidden;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--primary-dark);
    color: var(--text-white);
    line-height: 1.6;
    min-height: 100vh;
    padding-top: 70px;
}

/* Header Section */
.header-section {
    padding: 80px 0 60px;
    text-align: center;
    background: var(--secondary-dark);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.main-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px var(--shadow-dark);
    letter-spacing: 2px;
}

.sub-title {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 20px;
    color: var(--text-light);
    letter-spacing: 1px;
}

.header-description {
    font-size: 1.2rem;
    color: var(--text-gray);
    font-weight: 300;
    margin-bottom: 0;
}

/* Secretariat Section */
.secretariat-section {
    padding: 80px 0;
}

.member-card {
    margin-bottom: 100px;
    padding: 40px 20px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px var(--shadow-dark);
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(24, 29, 30, 0.6);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
}

.member-card:last-child {
    margin-bottom: 40px;
}

/* Photo Styling */
.member-photo {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.member-photo img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.member-photo:hover img {
    transform: scale(1.05);
}

/* Member Info */
.member-info {
    padding: 20px;
}

.member-name {
    font-size: 3.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-white);
    text-shadow: 1px 1px 2px var(--shadow-dark);
}

.member-position {
    font-size: 2.4rem;
    font-weight: 500;
    color: var(--text-white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.member-description {
    font-size: 1.9rem;
    color: var(--text-light);
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: 0;
}

/* Layout Variations */
.left-image .member-info {
    padding-left: 40px;
}

.right-image .member-info {
    padding-right: 40px;
}

/* Footer */
.footer-section {
    padding: 40px 0;
    background: var(--secondary-dark);
    border-top: 2px solid rgba(255, 255, 255, 0.1);
    margin-top: 40px;
}

.footer-section p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 992px) {
    .main-title {
        font-size: 3rem;
    }
    
    .sub-title {
        font-size: 2rem;
    }
    
    .member-card {
        margin-bottom: 60px;
        padding: 30px 15px;
    }
    
    .member-photo img {
        height: 350px;
    }
    
    .member-name {
        font-size: 1.8rem;
    }
    
    .member-position {
        font-size: 1.2rem;
    }
    
    .left-image .member-info,
    .right-image .member-info {
        padding: 20px;
        text-align: center !important;
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation Styles */
    nav {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .mobile-nav-menu {
        display: block;
    }
    
    body {
        padding-top: 0;
    }
    
    .header-section {
        padding: 80px 0 40px;
        margin-top: 0;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .sub-title {
        font-size: 1.6rem;
    }
    
    .secretariat-section {
        padding: 60px 0;
    }
    
    .member-card {
        margin-bottom: 50px;
        padding: 25px 15px;
    }
    
    .member-photo img {
        height: 300px;
    }
    
    .member-name {
        font-size: 1.6rem;
        margin-bottom: 10px;
    }
    
    .member-position {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }
    
    .member-description {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .main-title {
        font-size: 2rem;
    }
    
    .sub-title {
        font-size: 1.4rem;
    }
    
    .header-description {
        font-size: 1rem;
    }
    
    .member-photo img {
        height: 250px;
    }
    
    .member-info {
        padding: 15px !important;
    }
    
    .member-name {
        font-size: 1.4rem;
    }
    
    .member-position {
        font-size: 1rem;
    }
    
    .member-description {
        font-size: 0.95rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-blue), var(--light-blue));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--light-blue), var(--accent-blue));
}