/* NSRD 2025 - Enhanced Professional Stylesheet */
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #2c5aa0;
    --primary-green: #4CAF50;
    --secondary-blue: #1e3f73;
    --accent-orange: #ff6b35;
    --accent-purple: #8e44ad;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --white: #ffffff;
    --shadow-light: 0 4px 15px rgba(0,0,0,0.06);
    --shadow-medium: 0 8px 25px rgba(0,0,0,0.12);
    --shadow-heavy: 0 15px 35px rgba(0,0,0,0.18);
    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    --gradient-accent: linear-gradient(135deg, var(--accent-orange), var(--accent-purple));
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: var(--white);
    overflow-x: hidden;
}

/* Fixed Header Top Bar */
.header-top {
    background: var(--gradient-primary);
    color: white;
    padding: 10px 0;
    font-size: 13px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1002;
    box-shadow: var(--shadow-light);
}

.header-top::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

.header-top .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info i {
    margin-right: 6px;
    color: rgba(255,255,255,0.9);
}

.social-links a {
    color: white;
    margin-left: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
    text-decoration: none;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
}

.social-links a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* Enhanced Main Header with Larger Text */
.main-header {
    background: var(--white);
    position: fixed;
    top: 43px;
    left: 0;
    right: 0;
    z-index: 1001;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 25px;
    min-height: 90px;
}

/* Logo Section - Clean and Transparent */
.logo-section {
    display: flex;
    align-items: center;
    gap: 25px;
    position: relative;
    z-index: 1002;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.logo-section:hover {
    text-decoration: none;
    color: inherit;
    transform: scale(1.02);
}

.logo-section:focus {
    outline: 3px solid var(--primary-green);
    outline-offset: 4px;
    border-radius: 8px;
}

.nsrd_logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.nsrd_logo img {
    height: 140px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.logo-section:hover .nsrd_logo img {
    filter: brightness(1.05);
}

/* Enhanced Logo Text - Larger Heading */
.logo-text h1 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-blue);
    font-size: 40px;
    font-weight: 800;
    margin: 0;
    line-height: 1.1;
    letter-spacing: -0.8px;
    text-shadow: 0 3px 6px rgba(44, 90, 160, 0.15);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-family: 'Inter', sans-serif;
    color: var(--primary-green);
    font-size: 22px;
    font-weight: 600;
    margin: 8px 0 0 0;
    opacity: 0.95;
    text-shadow: 0 2px 4px rgba(76, 175, 80, 0.2);
    line-height: 1.3;
    letter-spacing: 0.5px;
    font-style: italic;
}

/* Mobile Menu Toggle - Positioned at right-hand center of header */
.mobile-menu-toggle {
    display: none;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border: none;
    color: white;
    font-size: 22px;
    cursor: pointer;
    padding: 15px;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 1004;
    min-width: 56px;
    min-height: 56px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-medium);
}

.mobile-menu-toggle:active {
    transform: translateY(-50%) scale(0.95);
}

/* Enhanced Navigation - Seamless with Header */
.navbar {
    background: var(--white);
    position: fixed;
    top: 148px;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-menu {
    display: flex;
    list-style: none;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
    margin: 0 2px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 24px;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 8px;
    min-height: 54px;
    text-align: center;
    line-height: 1.2;
    gap: 8px;
    width: 100%;
    height: 100%;
}

.nav-link i {
    font-size: 14px;
    transition: all 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link.active {
    color: var(--primary-green);
    background: rgba(76, 175, 80, 0.05);
}

.nav-link.active::before {
    width: 80%;
}

.nav-link.active i {
    transform: scale(1.1);
}

/* Enhanced Section Header */
.section-header {
    position: relative;
    padding: 230px 0 80px;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    overflow: hidden;
    margin-top: 0;
}

.section-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: backgroundFloat 8s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-10px) scale(1.02); }
}

.section-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    margin-bottom: 25px;
    font-weight: 700;
    letter-spacing: -1px;
    position: relative;
    z-index: 2;
}

.section-header p {
    font-family: 'Inter', sans-serif;
    font-size: 1.4rem;
    opacity: 0.95;
    position: relative;
    z-index: 2;
    font-weight: 400;
    font-style: italic;
}

/* Enhanced 3D Sections with Advanced Effects */
.section-3d {
    position: relative;
    background: var(--white);
    margin: 80px 0;
    border-radius: 20px;
    box-shadow: var(--shadow-heavy);
    overflow: hidden;
    border: 1px solid rgba(44, 90, 160, 0.06);
    transform: translateZ(0);
}

.section-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 20px 20px 0 0;
}

.section-3d::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(44, 90, 160, 0.2), transparent);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Enhanced Cards with 3D Effects */
.card {
    background: var(--white);
    padding: 35px;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(44, 90, 160, 0.04);
    transform: translateZ(0);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    border-radius: 16px 16px 0 0;
}

.card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: 18px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover::after {
    opacity: 0.03;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.card-icon.green {
    background: linear-gradient(135deg, var(--primary-green), #45a049);
}

.card-icon i {
    color: white;
    font-size: 20px;
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card h3 {
    color: var(--primary-blue);
    margin-bottom: 16px;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
}

.card p {
    color: var(--dark-gray);
    line-height: 1.6;
    font-size: 14px;
}

/* Enhanced 3D Countdown Section */
.countdown-section {
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
    overflow: hidden;
}

.countdown-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 75%, rgba(44, 90, 160, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 25%, rgba(76, 175, 80, 0.03) 0%, transparent 50%);
    animation: backgroundPulse 6s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.countdown-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.countdown-title h2 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-blue);
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -0.8px;
}

.countdown-title p {
    color: var(--dark-gray);
    font-size: 1.1rem;
    font-weight: 400;
}

/* 3D Circular Countdown */
.countdown-circular-container {
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.countdown-circular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
    justify-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.countdown-circular-box {
    position: relative;
    text-align: center;
    transition: all 0.4s ease;
    cursor: pointer;
}

.countdown-circular-box:hover {
    transform: translateY(-10px) scale(1.05);
}

.countdown-circular-progress {
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
}

.countdown-circular-progress svg {
    transform: rotate(-90deg);
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
}

.countdown-bg {
    fill: none;
    stroke: #e9ecef;
    stroke-width: 6;
}

.countdown-progress {
    fill: none;
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 314.16;
    stroke-dashoffset: 314.16;
    transition: stroke-dashoffset 0.5s ease;
}

.countdown-circular-box[data-type="days"] .countdown-progress {
    stroke: #2c5aa0;
}

.countdown-circular-box[data-type="hours"] .countdown-progress {
    stroke: #4CAF50;
}

.countdown-circular-box[data-type="minutes"] .countdown-progress {
    stroke: #ff6b35;
}

.countdown-circular-box[data-type="seconds"] .countdown-progress {
    stroke: #8e44ad;
}

.countdown-circular-progress::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: conic-gradient(from 0deg, #ff6b35, #4CAF50, #2c5aa0, #8e44ad, #ff6b35);
    border-radius: 50%;
    z-index: -1;
    animation: rotateGradient 4s linear infinite;
    opacity: 0.1;
}

@keyframes rotateGradient {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.countdown-circular-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-blue);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    font-family: 'Inter', sans-serif;
}

.countdown-circular-label {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--dark-gray);
    margin-top: 5px;
}

.countdown-circular-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle, rgba(44, 90, 160, 0.1), transparent),
        conic-gradient(from 0deg, transparent, rgba(76, 175, 80, 0.2));
    border-radius: 50%;
    z-index: -1;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* Important Dates Cards Grid */
.important-dates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 40px;
    position: relative;
    z-index: 2;
}

.date-card {
    background: var(--white);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow-light);
    border: 1px solid rgba(44, 90, 160, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.date-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.date-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.4s ease;
}

.date-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.date-card:hover::before {
    width: 100%;
    opacity: 0.05;
}

.date-card.featured {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    transform: scale(1.05);
}

.date-card.featured .date-card-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.date-card.featured .date-card-date {
    color: rgba(255, 255, 255, 0.9);
}

.date-card.featured p {
    color: rgba(255, 255, 255, 0.8);
}

.date-card-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.date-card-icon i {
    color: white;
    font-size: 20px;
}

.date-card:hover .date-card-icon {
    transform: scale(1.1) rotate(5deg);
}

.date-card-content h4 {
    color: var(--primary-blue);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.3;
}

.date-card.featured .date-card-content h4 {
    color: white;
}

.date-card-date {
    color: var(--primary-green);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.date-card-content p {
    color: var(--dark-gray);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 35px;
}

.grid-1 {
    grid-template-columns: 1fr;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Force 2-column layout for contact page */
.contact-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* Enhanced Section Titles */
.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title h2 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-blue);
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.8px;
}

.section-title h2 i {
    margin-right: 15px;
    color: var(--primary-green);
    font-size: 0.8em;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* Statistics Cards */
.stat-card {
    text-align: center;
    padding: 35px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    transition: all 0.4s ease;
    border: 1px solid rgba(44, 90, 160, 0.04);
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    border-radius: 16px 16px 0 0;
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
}

.stat-icon.green {
    background: linear-gradient(135deg, var(--primary-green), #45a049);
}

.stat-icon i {
    font-size: 24px;
    color: white;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
}

.stat-card h3 {
    color: var(--primary-blue);
    margin-bottom: 12px;
    font-size: 1.1rem;
    font-weight: 600;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 8px;
}

/* Info Boxes */
.info-box {
    background: linear-gradient(135deg, var(--light-gray), var(--medium-gray));
    padding: 32px;
    border-radius: 16px;
    border-left: 4px solid var(--primary-green);
    margin: 24px 0;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.info-box::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.1), transparent);
    border-radius: 50%;
    transform: translate(30px, -30px);
}

.info-box p {
    font-size: 16px;
    line-height: 1.7;
    color: #333;
    margin: 0;
}

.info-box strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 32px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin: 40px 0;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-content {
    background: var(--white);
    padding: 28px;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    width: 45%;
    position: relative;
    border: 1px solid rgba(44, 90, 160, 0.06);
    transition: all 0.3s ease;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 16px 16px 0 0;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.timeline-date {
    background: var(--gradient-primary);
    color: white;
    padding: 12px 18px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 13px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: var(--shadow-light);
    white-space: nowrap;
}

/* Forms */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-blue);
    font-weight: 500;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 16px 18px;
    border: 2px solid var(--medium-gray);
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--white);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
    transform: translateY(-2px);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Enhanced Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.4s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: var(--shadow-light);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-heavy);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover {
    background: white;
    color: var(--primary-blue);
    transform: translateY(-3px) scale(1.05);
}

/* Enhanced Footer */
footer {
    background: var(--gradient-primary);
    color: white;
    margin-top: 100px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-orange), var(--primary-green), var(--primary-blue), var(--accent-purple));
}

footer .container {
    padding: 70px 20px 50px;
}

footer h3 {
    color: white;
    margin-bottom: 25px;
    font-weight: 700;
    font-size: 1.3rem;
}

footer h3 i {
    margin-right: 10px;
    opacity: 0.8;
}

footer p, 
footer li, 
footer a, 
footer span {
    color: white;
    font-weight: 400;
}

footer ul {
    list-style: none;
    padding: 0;
}

footer ul li {
    margin-bottom: 12px;
}

footer a {
    text-decoration: none;
    opacity: 0.9;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    font-size: 14px;
}

footer a:hover {
    opacity: 1;
    transform: translateX(5px);
}

footer a i.fa-chevron-right {
    margin-right: 8px;
    font-size: 10px;
    opacity: 0.7;
}

/* Contact Grid - 4 Column Layout */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.contact-section {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-section:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.contact-section h3 {
    color: white;
    margin-bottom: 15px;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 8px;
}

.contact-section h3 i {
    margin-right: 10px;
    opacity: 0.9;
    font-size: 1rem;
}

.contact-item {
    margin-bottom: 15px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-name {
    font-weight: 600;
    font-size: 1rem;
    color: white;
    margin-bottom: 4px;
}

.contact-title {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2px;
    font-style: italic;
}

.contact-org {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.contact-email-text {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.contact-email-text i {
    margin-right: 6px;
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Partners & Collaborations Section */
.partners-section {
    text-align: center;
    padding: 30px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.partners-section h3 {
    color: white;
    margin-bottom: 25px;
    font-weight: 700;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partners-section h3::before {
    content: '';
    width: 50px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    margin-right: 15px;
}

.partners-section h3::after {
    content: '';
    width: 50px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    margin-left: 15px;
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
    padding: 15px 0;
    max-width: 100%;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    min-height: 70px;
    flex: 0 1 auto;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 1);
}

.partner-logo img {
    max-height: 55px;
    max-width: 140px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: brightness(0.9);
    transition: all 0.3s ease;
}

.partner-logo:hover img {
    filter: brightness(1);
    transform: scale(1.05);
}

.social-footer {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-footer a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
}

.social-footer a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px) scale(1.05);
}

.organizers-section {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 30px;
    margin-bottom: 30px;
    text-align: center;
}

.organizers-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.organizer-separator {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.3), transparent);
}

.copyright-section {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 20px;
    text-align: center;
}

/* Keynote Speakers Section */
.keynote-speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.keynote-speaker-card {
    background: var(--white);
    border-radius: 20px;
    padding: 35px;
    box-shadow: var(--shadow-light);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(44, 90, 160, 0.06);
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

.keynote-speaker-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.keynote-speaker-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    border-radius: 20px 20px 0 0;
}

.keynote-speaker-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: var(--shadow-heavy);
}

.keynote-speaker-card:hover::before {
    transform: scaleX(1);
}

.speaker-image {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(44, 90, 160, 0.2);
    transition: all 0.4s ease;
}

.speaker-image::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: var(--gradient-primary);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.keynote-speaker-card:hover .speaker-image::before {
    opacity: 1;
}

.speaker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
    border-radius: 50%;
}

.keynote-speaker-card:hover .speaker-image img {
    transform: scale(1.1);
}

.speaker-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.8), rgba(76, 175, 80, 0.8));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
}

.keynote-speaker-card:hover .speaker-overlay {
    opacity: 1;
}

.speaker-overlay i {
    color: white;
    font-size: 24px;
    transform: scale(0.8);
    transition: transform 0.4s ease;
}

.keynote-speaker-card:hover .speaker-overlay i {
    transform: scale(1);
}

.speaker-info h3 {
    color: var(--primary-blue);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
    font-family: 'Playfair Display', serif;
}

.speaker-titles {
    margin-bottom: 20px;
}

.speaker-title {
    color: var(--primary-green);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.speaker-org {
    color: var(--dark-gray);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 5px;
    line-height: 1.4;
}

.speaker-role {
    color: var(--dark-gray);
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.4;
    opacity: 0.9;
}

.speaker-country {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.95rem;
    background: rgba(44, 90, 160, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    margin-top: 15px;
    transition: all 0.3s ease;
}

.keynote-speaker-card:hover .speaker-country {
    background: rgba(44, 90, 160, 0.15);
    transform: translateY(-2px);
}

.speaker-country i {
    color: var(--primary-green);
    font-size: 0.9rem;
}

/* Contact Profile Images */
.contact-profile-image {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(44, 90, 160, 0.2);
    transition: all 0.4s ease;
    border: 4px solid var(--white);
}

.contact-profile-image::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: var(--gradient-primary);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card:hover .contact-profile-image::before {
    opacity: 1;
}

.contact-profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
    border-radius: 50%;
}

.card:hover .contact-profile-image img {
    transform: scale(1.05);
}

.profile-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.8), rgba(76, 175, 80, 0.8));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
}

.card:hover .profile-overlay {
    opacity: 1;
}

.profile-overlay i {
    color: white;
    font-size: 36px;
    transform: scale(0.8);
    transition: transform 0.4s ease;
}

.card:hover .profile-overlay i {
    transform: scale(1);
}

/* Enhanced Contact Email Button */
.contact-email-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    padding: 15px 25px;
    background: var(--gradient-primary);
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(44, 90, 160, 0.3);
    border: 2px solid transparent;
}

.contact-email-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(44, 90, 160, 0.4);
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.contact-email-btn i {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.contact-email-btn:hover i {
    transform: scale(1.1);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    z-index: 10000;
    max-width: 400px;
    animation: slideInNotification 0.3s ease;
}

@keyframes slideInNotification {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.notification-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.notification-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.notification-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid-2 {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }
    
    .timeline-content {
        width: 100%;
    }
    
    .timeline-date {
        left: 30px;
        transform: translateX(-50%);
    }

    .countdown-circular-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .important-dates-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .contact-section {
        padding: 18px;
    }

    .contact-section h3 {
        font-size: 1rem;
        margin-bottom: 12px;
    }

    .nsrd_logo img {
        height: 120px;
    }

    .logo-text h1 {
        font-size: 36px;
		margin-left: 120px;
    }

    .logo-text p {
        font-size: 20px;
		margin-left:120px;
    }

    .partners-logos {
        gap: 25px;
    }
    
    .partner-logo {
        padding: 12px 18px;
        min-height: 65px;
    }
    
    .partner-logo img {
        max-height: 50px;
        max-width: 120px;
    }

    .keynote-speakers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

/* Mobile-specific adjustments */
@media (max-width: 768px) {
    .header-top {
        padding: 8px 0;
        font-size: 12px;
    }

    .header-top .container {
        padding: 0 15px;
        gap: 6px;
        flex-direction: column;
        text-align: center;
    }

    .contact-info {
        font-size: 11px;
    }

    .contact-info span {
        display: block;
        margin-top: 3px;
        margin-left: 0 !important;
    }

    .social-links a {
        width: 24px;
        height: 24px;
        font-size: 12px;
        margin-left: 8px;
    }

    .main-header {
        top: 35px;
    }

    .header-content {
        display: flex;
        flex-direction: row;
        padding: 10px 15px;
        min-height: 80px;
        gap: 15px;
        justify-content: flex-start;
        align-items: center;
        position: relative;
    }

    .logo-section {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 8px;
        justify-self: flex-start;
        flex: 1;
        max-width: calc(100% - 70px);
    }

    .nsrd_logo {
        flex-shrink: 0;
        display: flex;
        align-items: center;
    }

    .nsrd_logo img {
        height: 80px;
        width: auto;
        object-fit: contain;
    }

    .logo-text {
        display: flex;
        flex-direction: column;
        justify-content: center;
        margin-top: 0 !important;
        flex: 1;
        min-width: 0;
        padding-top: 0;
    }

    .logo-text h1 {
        font-size: 16px;
        letter-spacing: -0.3px;
        line-height: 1.1;
        margin: 0 0 2px 0;
        word-wrap: break-word;
        hyphens: auto;
		
    }

    .logo-text p {
        font-size: 12px;
        margin: 0;
        line-height: 1.2;
        word-wrap: break-word;
        hyphens: auto;
        opacity: 0.9;
		margin-left:-120px;
    }

    .mobile-menu-toggle {
        display: flex !important;
        position: absolute;
        top: 50%;
        right: 15px;
        transform: translateY(-50%);
        z-index: 1004;
        background: var(--gradient-primary);
        border: none;
        color: white;
        font-size: 18px;
        cursor: pointer;
        padding: 12px;
        border-radius: 10px;
        transition: all 0.3s ease;
        box-shadow: var(--shadow-light);
        min-width: 46px;
        min-height: 46px;
    }

    .navbar {
        top: 120px;
        background: var(--white);
        box-shadow: var(--shadow-medium);
        border-radius: 0 0 15px 15px;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow-heavy);
        border-radius: 0 0 15px 15px;
        max-height: 0;
        overflow: hidden;
        transition: all 0.4s ease;
        z-index: 1003;
    }

    .nav-menu.active {
        display: flex;
        max-height: 400px;
        animation: slideDownMenu 0.4s ease-out;
    }

    @keyframes slideDownMenu {
        from {
            max-height: 0;
            opacity: 0;
        }
        to {
            max-height: 400px;
            opacity: 1;
        }
    }

    .nav-item {
        width: 100%;
        margin: 0;
        border-bottom: 1px solid rgba(44, 90, 160, 0.08);
    }

    .nav-item:last-child {
        border-bottom: none;
    }

    .nav-item:hover {
        background: rgba(76, 175, 80, 0.08);
        transform: none;
    }

    .nav-link {
        width: 100%;
        padding: 18px 25px;
        border-radius: 0;
        margin: 0;
        min-height: auto;
        justify-content: flex-start;
        gap: 12px;
        font-size: 15px;
        font-weight: 500;
        transition: all 0.3s ease;
        position: relative;
        background: transparent;
    }

    .nav-link::before {
        display: none;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 0;
        background: var(--gradient-primary);
        transition: width 0.3s ease;
    }

    .nav-link:hover,
    .nav-link.active {
        background: transparent;
        color: var(--primary-green);
        transform: translateX(8px);
        padding-left: 33px;
    }

    .nav-link:hover::after,
    .nav-link.active::after {
        width: 4px;
    }

    .nav-link:last-child {
        border-radius: 0 0 15px 15px;
    }

    .nav-link i {
        font-size: 16px;
        color: var(--primary-blue);
        transition: all 0.3s ease;
        min-width: 20px;
    }

    .nav-link:hover i,
    .nav-link.active i {
        color: var(--primary-green);
        transform: scale(1.1);
    }

    .section-header {
        padding: 185px 0 45px;
    }

    .section-header h1 {
        font-size: 2.2rem;
        margin-bottom: 20px;
    }

    .section-header p {
        font-size: 1rem;
    }

    .section-3d {
        margin: 40px 0;
        border-radius: 15px;
    }

    .card {
        padding: 25px;
    }

    .countdown-section {
        padding: 60px 0;
    }

    .countdown-title {
        margin-bottom: 45px;
    }

    .countdown-title h2 {
        font-size: 2.4rem;
        margin-bottom: 12px;
    }

    .important-dates-grid {
        margin-top: 30px;
    }

    .container {
        padding: 0 15px;
    }

    .countdown-circular-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .countdown-circular-number {
        font-size: 1.8rem;
    }

    .countdown-circular-progress svg {
        width: 100px;
        height: 100px;
    }

    .countdown-bg,
    .countdown-progress {
        r: 42;
        cx: 50;
        cy: 50;
    }

    .important-dates-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr !important;
    }

    .contact-grid-2 {
        grid-template-columns: 1fr !important;
    }

    .section-title h2 {
        font-size: 2.2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-section {
        padding: 18px;
    }

    .contact-section h3 {
        font-size: 1rem;
    }

    .organizers-content {
        flex-direction: column;
        gap: 24px;
    }

    .organizer-separator {
        display: none;
    }

    .btn {
        display: block;
        text-align: center;
        margin: 12px 0;
    }

    .keynote-speakers-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .keynote-speaker-card {
        padding: 30px 25px;
    }
    
    .speaker-image {
        width: 130px;
        height: 130px;
        margin-bottom: 20px;
    }
    
    .speaker-info h3 {
        font-size: 1.3rem;
    }
    
    .speaker-title {
        font-size: 1rem;
    }
    
    .speaker-org,
    .speaker-role {
        font-size: 0.95rem;
    }

    .partners-section {
        padding: 25px 0 15px;
    }
    
    .partners-logos {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .partner-logo {
        padding: 12px 16px;
        min-height: 60px;
    }
    
    .partner-logo img {
        max-height: 45px;
        max-width: 110px;
    }
    
    .partners-section h3 {
        font-size: 1.3rem;
        margin-bottom: 20px;
    }
    
    .partners-section h3::before,
    .partners-section h3::after {
        width: 30px;
    }

    .contact-profile-image {
        width: 200px;
        height: 200px;
        margin-bottom: 20px;
    }
    
    .profile-overlay i {
        font-size: 28px;
    }
    
    .contact-email-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .header-top {
        display: none;
    }

    .main-header {
        top: 0;
    }

    .header-content {
        display: flex;
        flex-direction: row;
        padding: 8px 12px;
        margin-top: 5px;
        min-height: 70px;
        gap: 12px;
        justify-content: flex-start;
        align-items: center;
        position: relative;
    }

    .logo-section {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 6px;
        justify-self: flex-start;
        flex: 1;
        max-width: calc(100% - 60px);
    }

    .nsrd_logo {
        flex-shrink: 0;
        display: flex;
        align-items: center;
    }

    .nsrd_logo img {
        height: 60px;
        width: auto;
        object-fit: contain;
    }

    .logo-text {
        display: flex;
        flex-direction: column;
        justify-content: center;
        margin-top: 0 !important;
        flex: 1;
        min-width: 0;
        padding-top: 0;
    }

    .logo-text h1 {
        font-size: 14px;
        letter-spacing: -0.2px;
        line-height: 1.0;
        margin: 0 0 1px 0;
        word-wrap: break-word;
        hyphens: auto;
		margin-left:-120px;
    }

    .logo-text p {
        font-size: 10px;
        margin: 0;
        line-height: 1.1;
        word-wrap: break-word;
        hyphens: auto;
        opacity: 0.85;
		margin-left:-120px;
    }

    .mobile-menu-toggle {
        position: absolute;
        top: 50%;
        right: 12px;
        transform: translateY(-50%);
        padding: 8px;
        font-size: 16px;
        min-width: 38px;
        min-height: 38px;
    }

    .navbar {
        top: 75px;
    }

    .section-header {
        padding: 120px 0 30px;
    }

    .section-header h1 {
        font-size: 1.9rem;
        margin-bottom: 15px;
    }

    .section-header p {
        font-size: 0.95rem;
    }

    .section-3d {
        margin: 30px 0;
        border-radius: 12px;
    }

    .card {
        padding: 20px;
    }

    .countdown-section {
        padding: 45px 0;
    }

    .countdown-title {
        margin-bottom: 35px;
    }

    .countdown-title h2 {
        font-size: 2rem;
        margin-bottom: 10px;
    }

    .countdown-circular-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .countdown-circular-number {
        font-size: 1.6rem;
    }

    .countdown-circular-progress svg {
        width: 90px;
        height: 90px;
    }

    .countdown-bg,
    .countdown-progress {
        r: 38;
        cx: 45;
        cy: 45;
    }

    .important-dates-grid {
        gap: 15px;
        margin-top: 25px;
    }

    .date-card {
        padding: 18px;
    }

    .section-title {
        margin-bottom: 40px;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 14px 28px;
        font-size: 13px;
    }

    .keynote-speakers-grid {
        gap: 25px;
    }
    
    .keynote-speaker-card {
        padding: 25px 20px;
    }
    
    .speaker-image {
        width: 110px;
        height: 110px;
        margin-bottom: 18px;
    }
    
    .speaker-info h3 {
        font-size: 1.2rem;
    }
    
    .speaker-title {
        font-size: 0.95rem;
    }
    
    .speaker-org,
    .speaker-role {
        font-size: 0.9rem;
    }
    
    .speaker-country {
        font-size: 0.9rem;
        padding: 6px 12px;
    }

    .partners-section {
        padding: 20px 0 12px;
    }
    
    .partners-logos {
        gap: 15px;
        flex-wrap: wrap;
    }
    
    .partner-logo {
        padding: 10px 14px;
        min-height: 55px;
    }
    
    .partner-logo img {
        max-height: 40px;
        max-width: 100px;
    }
    
    .partners-section h3 {
        font-size: 1.2rem;
        margin-bottom: 18px;
    }
    
    .partners-section h3::before,
    .partners-section h3::after {
        width: 25px;
    }

    .contact-profile-image {
        width: 180px;
        height: 180px;
        margin-bottom: 18px;
    }
    
    .profile-overlay i {
        font-size: 24px;
    }
    
    .contact-email-btn {
        padding: 10px 18px;
        font-size: 13px;
        gap: 8px;
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    p[style*="font-size: 1.3rem"] {
        font-size: 1.1rem !important;
    }
    
    p[style*="font-size: 1.1rem"] {
        font-size: 1rem !important;
    }

    .container {
        padding: 0 12px;
    }
}


.logo-text{
	margin-top:-40px;
}


/* Desktop - hide mobile toggle and maintain layout */
@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none !important;
    }
    
    .header-content {
        display: grid;
        grid-template-columns: auto 1fr auto;
        justify-content: space-between;
        align-items: center;
        gap: 25px;
        min-height: 90px;
        padding: 15px 20px;
    }
    
    .logo-section {
        display: flex;
        align-items: center;
        gap: 25px;
        justify-self: start;
    }

    .nsrd_logo img {
        height: 140px;
    }

    .logo-text {
        
       
    }




/* 
 * MOBILE LOGO TEXT ALIGNMENT UPDATES
 * Add these styles to your existing styles.css file to fix mobile logo text alignment
 */

/* Replace the existing mobile media queries for .logo-text with these updated versions */

/* Mobile-specific adjustments (768px and below) */
@media (max-width: 768px) {
    .logo-text {
        display: flex;
        flex-direction: column;
        justify-content: center;
        margin-top: 0 !important;
        margin-left: 10px; /* Space after logo */
        flex: 1;
        min-width: 0;
        padding-top: 0;
        text-align: left;
    }

    .logo-text h1 {
        font-size: 16px;
        letter-spacing: -0.3px;
        line-height: 1.1;
        margin: 0 0 2px 0;
        word-wrap: break-word;
        hyphens: auto;
        text-align: left;
        color: var(--primary-blue);
        background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
		margin-left:-120px;
    }

    .logo-text p {
        font-size: 12px;
        margin: 0;
        line-height: 1.2;
        word-wrap: break-word;
        hyphens: auto;
        opacity: 0.9;
        text-align: left;
        color: var(--primary-green);
        font-style: italic;
		margin-left:-120px;
    }
}

/* Very small mobile screens (480px and below) */
@media (max-width: 480px) {
    .logo-text {
        display: flex;
        flex-direction: column;
        justify-content: center;
        margin-top: 0 !important;
        margin-left: 8px; /* Smaller space for very small screens */
        flex: 1;
        min-width: 0;
        padding-top: 0;
        text-align: left;
    }

    .logo-text h1 {
        font-size: 14px;
        letter-spacing: -0.2px;
        line-height: 1.0;
        margin: 0 0 1px 0;
        word-wrap: break-word;
        hyphens: auto;
        text-align: left;
        color: var(--primary-blue);
        background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
		margin-left:-120px;
    }

    .logo-text p {
        font-size: 10px;
        margin: 0;
        line-height: 1.1;
        word-wrap: break-word;
        hyphens: auto;
        opacity: 0.85;
        text-align: left;
        color: var(--primary-green);
        font-style: italic;
		margin-left:-120px;
    }
}

/* Desktop version (769px and above) - unchanged */
@media (min-width: 769px) {
    .logo-text {
        margin-top: -40px;
        padding-top: 0;
        text-align: left;
    }

    .logo-text h1 {
        font-size: 40px;
        letter-spacing: -0.8px;
        line-height: 1.1;
        margin: 0;
        text-align: left;
        font-family: 'Playfair Display', serif;
        color: var(--primary-blue);
        font-weight: 800;
        background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        text-shadow: 0 3px 6px rgba(44, 90, 160, 0.15);
		
    }

    .logo-text p {
        font-size: 22px;
        margin: 8px 0 0 0;
        line-height: 1.3;
        letter-spacing: 0.5px;
        text-align: left;
        font-family: 'Inter', sans-serif;
        color: var(--primary-green);
        font-weight: 600;
        opacity: 0.95;
        text-shadow: 0 2px 4px rgba(76, 175, 80, 0.2);
        font-style: italic;
		margin-left:-120px;
    }
}
    .logo-text h1 {
        font-size: 40px;
        letter-spacing: -0.8px;
        line-height: 1.1;
        
    }

    .logo-text p {
        font-size: 22px;
        margin: 8px 0 0 0;
        line-height: 1.3;
        letter-spacing: 0.5px;
	
    }

    .nav-item {
        cursor: pointer;
        user-select: none;
    }

    .nav-item:hover {
        background: rgba(76, 175, 80, 0.05);
        transform: translateY(-2px);
        box-shadow: 0 2px 8px rgba(76, 175, 80, 0.2);
    }

    .nav-item:hover .nav-link {
        color: var(--primary-green);
    }

    .nav-item:hover .nav-link::before {
        width: 80%;
    }

    .nav-item:hover .nav-link i {
        transform: scale(1.1);
    }

    .contact-profile-image {
        width: 200px;
        height: 200px;
        margin-bottom: 20px;
    }
    
    .profile-overlay i {
        font-size: 28px;
    }
    
    .contact-email-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .contact-grid-2 {
        grid-template-columns: 1fr 1fr;
    }
}

/* Ensure smooth transitions */
.nav-menu,
.nav-link,
.mobile-menu-toggle,
.nav-item,
.nav-overlay {
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

/* Fix for iOS safari */
@supports (-webkit-touch-callout: none) {
    .nav-menu.active {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
    
    .mobile-menu-toggle {
        -webkit-transform: translateY(-50%);
        transform: translateY(-50%);
    }
    
    .mobile-menu-toggle:hover {
        -webkit-transform: translateY(-50%) scale(1.1);
        transform: translateY(-50%) scale(1.1);
    }
}

/* Additional utility classes for enhanced functionality */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Print styles */
@media print {
    .header-top,
    .navbar,
    .mobile-menu-toggle,
    .btn,
    .social-links,
    .nav-overlay {
        display: none !important;
    }
    
    .main-header {
        position: static;
        box-shadow: none;
    }
    
    .section-header {
        padding: 20px 0;
        background: white !important;
        color: black !important;
    }
    
    .card,
    .section-3d {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
        color: black !important;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-blue: #000080;
        --primary-green: #006400;
        --shadow-light: 0 4px 15px rgba(0,0,0,0.3);
        --shadow-medium: 0 8px 25px rgba(0,0,0,0.4);
        --shadow-heavy: 0 15px 35px rgba(0,0,0,0.5);
    }
    
    .card,
    .section-3d {
        border: 2px solid var(--primary-blue);
    }
    
    .nav-link {
        border: 1px solid transparent;
    }
    
    .nav-link:focus {
        border-color: var(--primary-blue);
        outline: 2px solid var(--primary-blue);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .countdown-circular-progress::before,
    .countdown-circular-progress::after {
        animation: none !important;
    }
    
    .section-header::before {
        animation: none !important;
    }
}

/* Focus management for better accessibility */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-green);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 10001;
    border-radius: 4px;
    transition: top 0.3s;
}

.skip-to-content:focus {
    top: 6px;
}

/* Custom scrollbar styling */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue);
}

/* Selection styling */
::selection {
    background: var(--primary-green);
    color: white;
}

::-moz-selection {
    background: var(--primary-green);
    color: white;
}

/* Error and success states */
.error {
    color: #dc3545;
    border-color: #dc3545 !important;
}

.success {
    color: #28a745;
    border-color: #28a745 !important;
}

.warning {
    color: #ffc107;
    border-color: #ffc107 !important;
}

/* Final optimization and cleanup */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}
/* Microsoft CMT Acknowledgment Section Styles */
.cmt-acknowledgment-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 25px 30px;
    margin-bottom: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.cmt-acknowledgment-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00a4ef, #0078d4, #106ebe);
    border-radius: 12px 12px 0 0;
}

.cmt-acknowledgment-section::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='rgba(255,255,255,0.3)'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z'/%3E%3C/svg%3E");
    background-size: 24px 24px;
    background-repeat: no-repeat;
    background-position: center;
}

.cmt-acknowledgment-content {
    position: relative;
    z-index: 2;
}

.cmt-acknowledgment-text {
    color: rgba(255, 255, 255, 0.95);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
    font-weight: 400;
    text-align: center;
    font-style: italic;
    letter-spacing: 0.3px;
}

.cmt-acknowledgment-section:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    transition: all 0.3s ease;
}

/* Microsoft brand accent */
.cmt-acknowledgment-section:hover::before {
    background: linear-gradient(90deg, #00a4ef, #0078d4, #106ebe, #005a9e);
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Responsive adjustments for mobile */
@media (max-width: 768px) {
    .cmt-acknowledgment-section {
        padding: 20px 25px;
        margin-bottom: 30px;
    }
    
    .cmt-acknowledgment-text {
        font-size: 14px;
        line-height: 1.5;
    }
    
    .cmt-acknowledgment-section::after {
        width: 35px;
        height: 35px;
        background-size: 20px 20px;
    }
}

@media (max-width: 480px) {
    .cmt-acknowledgment-section {
        padding: 18px 20px;
        margin-bottom: 25px;
    }
    
    .cmt-acknowledgment-text {
        font-size: 13px;
        line-height: 1.5;
    }
    
    .cmt-acknowledgment-section::after {
        display: none; /* Hide decorative element on very small screens */
    }
}

/* General Guidelines Section - Green Theme */
.general-guidelines-section {
    background: linear-gradient(135deg, var(--light-green), var(--lighter-green)) !important;
}

/* Submission Requirements Section - Green Theme */
.submission-requirements-section {
    background: linear-gradient(135deg, var(--light-green), var(--lighter-green)) !important;
}

/* Info boxes with theme colors */
.info-box.blue-theme {
    background: linear-gradient(135deg, var(--light-blue), var(--lighter-blue)) !important;
    border-left: 4px solid var(--primary-blue) !important;
}

.info-box.blue-theme h4 {
    color: var(--primary-blue) !important;
}

.info-box.green-theme {
    background: linear-gradient(135deg, var(--light-green), var(--lighter-green)) !important;
    border-left: 4px solid var(--primary-green) !important;
}

.info-box.green-theme h4 {
    color: var(--primary-green) !important;
}

.info-box.red-theme {
    background: linear-gradient(135deg, var(--light-red), var(--lighter-red)) !important;
    border-left: 4px solid var(--danger-red) !important;
}

.info-box.red-theme strong {
    color: var(--danger-red) !important;
}

/* Card icon colors for consistency */
.card-icon.blue-theme {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue)) !important;
}

.card-icon.green-theme {
    background: linear-gradient(135deg, var(--primary-green), #45a049) !important;
}

/* Template section background */
.templates-section {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef) !important;
}

/* After acceptance section - green theme */
.after-acceptance-section {
    background: linear-gradient(135deg, var(--light-green), var(--lighter-green)) !important;
}

/* Microsoft CMT section - light gray theme to maintain branding */
.cmt-platform-section {
    background: linear-gradient(135deg, var(--light-green), var(--lighter-green)) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .general-guidelines-section,
    .submission-requirements-section,
    .after-acceptance-section,
    .cmt-platform-section {
        padding: 30px !important;
    }
    
    .info-box.blue-theme,
    .info-box.green-theme,
    .info-box.red-theme {
        padding: 20px !important;
        margin: 15px 0 !important;
    }
}

@media (max-width: 480px) {
    .general-guidelines-section,
    .submission-requirements-section,
    .after-acceptance-section,
    .cmt-platform-section {
        padding: 25px !important;
    }
    
    .info-box.blue-theme,
    .info-box.green-theme,
    .info-box.red-theme {
        padding: 18px !important;
        margin: 12px 0 !important;
    }
}

/* End of NSRD 2025 Stylesheet */