* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: url('../cursor-small.png') 16 16, auto;
}

:root {
    --primary-color: #15facf;
    --primary-dark: #0fc4a8;
    --primary-light: #3dfce0;
    --border-color: #3a4047;
    --shadow: rgba(21, 250, 207, 0.15);
}


body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: #1e2328;
    background-image: 
    linear-gradient(45deg, rgba(192, 229, 223, 0.04) 0%, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}


::selection {
    background-color: var(--primary-color);
    color: #1e2328;
}

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

.header {
    background: rgba(30, 35, 40, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow);
    border-bottom: 1px solid var(--border-color);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 65px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.25s ease;
    cursor: pointer;
}

.logo-icon {
    width: 40px;
    height: 40px;
    transition: all 0.3s ease;
    filter: drop-shadow(0 0 8px rgba(21, 250, 207, 0.4));
}

.logo-wrapper:hover .logo-icon {
    filter: drop-shadow(0 0 15px rgba(21, 250, 207, 0.7)) brightness(1.1);
    transform: scale(1.08);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.logo-wrapper:hover .logo {
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 1px;
    align-items: center;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: flex-end;
}

.nav-link {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    padding: 6.4px 10.4px;
    border-radius: 8px;
    transition: all 0.3s ease-in-out;
    font-size: 12.8px;
    white-space: nowrap;
    display: inline-block;
    position: relative;
    letter-spacing: 0.15px;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
    transition: all 0.3s ease-in-out;
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(21, 250, 207, 0.5);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
    background-color: rgba(37, 42, 48, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(21, 250, 207, 0.2);
}

.nav-link:hover::before, .nav-link.active::before {
        width: 85%;
}

.nav-link:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(21, 250, 207, 0.15);
}


.top-banner {
    background: rgba(37, 42, 48, 0.6);
    padding: 56px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.banner-title {
    font-size: 32px;
    margin-bottom: 12.8px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
}

.banner-subtitle {
    font-size: 16px;
    color: #e0e0e0;
    line-height: 1.6;
    width: 800px;
    margin: 0 auto;
    padding: 0 16px;
}

.team-signature {
    font-size: 17.6px;
    color: #b0b0b0;
    margin-top: 24px;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.team-name-bold {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 19.2px;
    text-shadow: 0 0 10px rgba(21, 250, 207, 0.3);
    transition: all 0.3s ease;
}

.team-name-bold:hover {
    color: var(--primary-light);
    text-shadow: 0 0 15px rgba(21, 250, 207, 0.5);
}

.subtitle {
    text-align: center;
    color: #b0b0b0;
    font-size: 16px;
    margin-bottom: 20.8px;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.footer-team-name {
    color: var(--primary-color);
    font-weight: 600;
    transition: all 0.3s ease;
}

.footer-team-name:hover {
    color: var(--primary-light);
}

.section {
    padding: 56px 0;
    position: relative;
    scroll-margin-top: 90px;
}

.applications-section {
    padding-top: 32px;
}

.applications-section .section-title {
    margin-bottom: 8px;
}

.section-title {
    font-size: 28.8px;
    color: #ffffff;
    margin-bottom: 32px;
    text-align: center;
    font-weight: 700;
    padding-bottom: 16px;
    position: relative;
    line-height: 1.3;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 50%;
    transform: translateX(50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    color: #e0e0e0;
    font-size: 15.2px;
    margin: 0 auto 32px;
    max-width: 750px;
    line-height: 1.7;
    padding: 0 16px;
}

.content-wrapper {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.intro-text {
    font-size: 15.2px;
    line-height: 1.7;
    color: #e0e0e0;
}

.intro-text p {
    margin-bottom: 16px;
}

.intro-image {
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px var(--shadow);
    transition: all 0.3s ease;
    align-self: flex-start;
    margin-top: 8px;
}

.intro-image:hover {
    box-shadow: 0 15px 40px rgba(21, 250, 207, 0.3);
    transform: scale(1.05) translateY(-5px);
}

.list-box {
    background: rgba(37, 42, 48, 0.7);
    padding: 32px;
    border-radius: 10px;
    margin-top: 24px;
    box-shadow: 0 2px 15px var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.list-box:hover {
    box-shadow: 0 8px 30px rgba(21, 250, 207, 0.2);
    transform: translateY(-3px);
}

.list-box h3 {
    color: #ffffff;
    margin-bottom: 19.2px;
    font-size: 19.2px;
    font-weight: 600;
}

.list-box ul {
    list-style: none;
    padding-left: 24px;
}

.list-box li {
    padding: 9.6px 32px 9.6px 28.8px;
    position: relative;
    transition: all 0.3s ease;
    font-size: 14.4px;
    line-height: 1.6;
}

.list-box li:hover {
    color: var(--primary-color);
    transform: translateX(5px);
    padding-left: 40px;
}

.list-box li::before {
    content: '●';
    position: absolute;
    left: 8px;
    top: 2px;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 20.8px;
    transition: all 0.3s ease;
}

.list-box li:hover::before {
    transform: scale(1.2) rotate(5deg) translateY(2px);
    color: var(--primary-dark);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.info-card {
    background: rgba(30, 35, 40, 0.8);
    padding: 28.8px;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(21, 250, 207, 0.15);
    border-top: 3px solid #15facf;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.info-card:hover {
    box-shadow: 0 10px 35px rgba(21, 250, 207, 0.25);
    transform: translateY(-8px);
    border-top-width: 4px;
}

.info-card h3 {
    color: #ffffff;
    margin-bottom: 12.8px;
    font-size: 17.6px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.info-card:hover h3 { color: var(--primary-color); }

.info-card p {
    color: #e0e0e0;
    line-height: 1.6;
    font-size: 14.4px;
    margin-bottom: 12.8px;
}

.comparison-table {
    margin-top: 32px;
    background: rgba(30, 35, 40, 0.8);
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.comparison-table:hover {
    box-shadow: 0 8px 35px rgba(21, 250, 207, 0.2);
    transform: translateY(-3px);
}

.comparison-table h3 {
    color: #ffffff;
    margin-bottom: 19.2px;
    text-align: center;
    font-size: 19.2px;
    font-weight: 600;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    background: transparent;
}

th {
    padding: 16px;
    text-align: center;
    font-weight: 600;
    color: #ffffff;
    background: transparent;
    border-bottom: 2px solid var(--primary-color);
    font-size: 15.2px;
}

td {
    padding: 16px;
    text-align: center;
    color: #e0e0e0;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    font-size: 14.4px;
}

tbody tr {
    transition: all 0.3s ease;
}

tbody tr:hover {
    transform: scale(1.02);
}

tbody tr:hover td {
    background: rgba(21, 250, 207, 0.12);
    color: #ffffff;
}

.app-card {
    margin-bottom: 32px;
    background: rgba(30, 35, 40, 0.8);
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(21, 250, 207, 0.15);
    border-left: 3px solid #15facf;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.application_card:hover {
    box-shadow: 0 12px 40px rgba(21, 250, 207, 0.3);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 19.2px;
    padding-bottom: 9.6px;
    border-bottom: 2px solid #15facf;
    gap: 16px;
}

.app-card h3 {
    color: #ffffff;
    font-size: 20.8px;
    margin: 0;
    padding: 0;
    border-bottom: none;
    font-weight: 600;
    line-height: 1.4;
    word-break: keep-all;
    transition: color 0.3s ease;
}

.app-card:hover h3 { color: #15facf; }

.card-content {
    display: flex;
    gap: 24px;
    align-items: center;
    margin-top: 16px;
}


.card-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: all 0.3s ease;
    display: block;
}

.card-image:hover {
    box-shadow: 0 15px 45px rgba(21, 250, 207, 0.35);
    transform: scale(1.06) translateY(-8px);
}

.text-area {
    flex: 1;
    overflow-wrap: break-word;
    overflow: visible;
}

.text-area p {
    font-size: 15.2px;
    margin-bottom: 12.8px;
    color: #ffffff;
    font-weight: 600;
    line-height: 1.6;
    word-break: keep-all;
}

.text-area ol {
    padding-left: 24px;
    color: #e0e0e0;
}

.text-area li {
    padding: 8px 0;
    line-height: 1.6;
    transition: all 0.3s ease;
    font-size: 14.4px;
}

.text-area li::marker { color: var(--primary-color); font-weight: bold; }

.text-area li:hover {
    color: var(--primary-color);
}


.challenges-content {
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 2px 15px var(--shadow);
    width: 850px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    background: rgba(37, 42, 48, 0.7);
    backdrop-filter: blur(5px);
}

.challenges-content:hover {
    box-shadow: 0 8px 30px rgba(21, 250, 207, 0.2);
    transform: translateY(-3px);
}

.challenges-content > p {
    font-size: 16px;
    margin-bottom: 24px;
    color: #ffffff;
    text-align: center;
    font-weight: 600;
    line-height: 1.6;
}

.challenges-list {
    list-style: none;
    padding: 0;
}

.challenges-list li {
    padding: 16px;
    margin-bottom: 16px;
    background: rgba(30, 35, 40, 0.6);
    border-left: 3px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 1px 5px var(--shadow);
    transition: all 0.3s ease;
    line-height: 1.7;
    font-size: 14.4px;
}

.challenge-note {
    display: block;
    margin-top: 9.6px;
    color: #b0b0b0;
    font-size: 13.6px;
    font-style: italic;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
    line-height: 1.6;
}

.challenges-list li:hover {
    background: rgba(30, 35, 40, 0.9);
    box-shadow: 0 6px 20px rgba(21, 250, 207, 0.25);
    border-left-color: var(--primary-color);
    border-left-width: 4px;
    transform: translateX(8px) scale(1.02);
}

.challenges-list strong {
    color: #ffffff;
    display: block;
    margin-bottom: 6.4px;
    font-size: 15.2px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-form {
    max-width: 550px;
    margin: auto;
    background: rgba(30, 35, 40, 0.8);
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.contact-form:hover {
    box-shadow: 0 8px 35px rgba(21, 250, 207, 0.25);
    transform: translateY(-3px);
}

.form-group {
    margin-bottom: 19.2px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #ffffff;
    font-weight: 600;
    font-size: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12.8px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    color: #ffffff;
    background: rgba(37, 42, 48, 0.6);
    transition: all 0.3s ease;
    outline: none;
    caret-color: var(--primary-color);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
    background: rgba(30, 35, 40, 0.8);
    box-shadow: 0 0 0 3px rgba(21, 250, 207, 0.15);
    transform: translateY(-2px);
}

.form-group textarea {
     resize:none ;
     height: 120px;
}

.submit-btn {
    width: 100%;
    padding: 16px 32px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 17.6px;
    font-weight: 600;
    cursor:pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(21, 250, 207, 0.3);
}

.footer {
    background: rgba(37, 42, 48, 0.6);
    color: #ffffff;
    padding: 32px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 24px;
}

.copyright {
    margin: 0;
    color: #e0e0e0;
    font-size: 15.2px;
    margin-right: auto;
}

.social-media {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    align-items: center;
}

.social-icon {
    color: #e0e0e0;
    text-decoration: none;
    padding: 6.4px 12.8px;
    border-radius: 6px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.social-icon:hover {
    background-color: rgba(30, 35, 40, 0.8);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

a:focus, button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

.thank-you-card {
    max-width: 480px;
    margin: 0 auto;
    background: rgba(30, 35, 40, 0.8);
    padding: 24px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(21, 250, 207, 0.15);
    border: 1px solid #3a4047;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.thank-you-card:hover {
    box-shadow: 0 8px 35px rgba(21, 250, 207, 0.25);
    transform: translateY(-3px);
}

.success-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: #15facf;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(21, 250, 207, 0.3);
    animation: fadeIn 0.5s ease;
}

.message-content {
    margin-bottom: 24px;
}

.thank-you-text {
    color: #e0e0e0;
    font-size: 14.4px;
    line-height: 1.6;
    margin-bottom: 13.6px;
    text-align: center;
}

.thank-you-text:last-of-type {
    margin-bottom: 0;
}

.action-buttons {
    display: flex;
    gap: 13.6px;
    justify-content: center;
    margin-top: 20px;
}

.thank-you-btn-primary,
.thank-you-btn-secondary {
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14.4px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

.thank-you-btn-primary {
    background: var(--primary-color);
    color: white;
}

.thank-you-btn-primary:hover {
     background: var(--primary-dark);
}

.thank-you-btn-secondary {
    background: rgba(37, 42, 48, 0.6);
    color: #ffffff;
    border: 2px solid var(--primary-color);
}

.thank-you-btn-secondary:hover {
     background: rgba(30, 35, 40, 0.8); color: var(--primary-color);
}


.team-container {
    max-width: 800px;
    margin: 0 auto;
}

.team-card {
    background: rgba(30, 35, 40, 0.8);
    padding: 19.2px 24px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(21, 250, 207, 0.15);
    border: 1px solid #3a4047;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.team-card .section-title {
    margin-bottom: 19.2px;
}

.team-card:hover {
    box-shadow: 0 8px 35px rgba(21, 250, 207, 0.25);
    transform: translateY(-3px);
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.member-card {
    background: rgba(37, 42, 48, 0.6);
    padding: 24px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #3a4047;
    transition: all 0.3s ease;
    position: relative;
    margin-top: 88px;
    text-decoration: none;
    display: block;
}

.member-card:nth-child(-n+3) {
    margin-top: 60px;
}

.member-card:hover {
    text-decoration: none;
	border-color: #15facf;
    box-shadow: 0 6px 25px rgba(21, 250, 207, 0.2);
    transform: translateY(-5px);
}

.name {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    transition: color 0.3s ease;
    position: relative;
}

.member-card:hover .name {
    color: #15facf;
}

.profile-pic {
    position: absolute;
    top: -90px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #15facf;
    box-shadow: 0 4px 15px rgba(21, 250, 207, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10;
}

.member-card:hover .profile-pic {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.skills {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 4.8px;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}


.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8.8px;
    background: rgba(21, 250, 207, 0.15);
    border: 1px solid rgba(21, 250, 207, 0.4);
    border-radius: 14px;
    color: #15facf;
    font-size: 10.4px;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.3s ease;
    letter-spacing: 0.2px;
    flex-shrink: 0;
    position: relative;
}

.skill-tag i {
    font-size: 12px;
}

.skill-tag:hover {
    background: rgba(21, 250, 207, 0.2);
    border-color: rgba(21, 250, 207, 0.5);
    transform: scale(1.05);
}

.member-card:hover .skills {
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
}

/* Research Page Styles */
.research-container {
    padding: 80px 24px 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.research-header {
    text-align: center;
    margin-bottom: 32px;
    max-width: 800px;
}

.research-header h1 {
    font-size: 32px;
    color: #ffffff;
    margin-bottom: 16px;
    font-weight: 700;
}

.research-header p {
    color: #e0e0e0;
    font-size: 16px;
    line-height: 1.6;
}

.presentation-wrapper {
    width: 100%;
    max-width: 900px;
    background: rgba(30, 35, 40, 0.8);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(21, 250, 207, 0.15);
    border: 1px solid var(--border-color);
    margin-bottom: 32px;
    height: 470px;
}

.presentation-iframe {
    width: 100%;
    height: 420px;
    border: none;
    border-radius: 8px;
    background: rgba(37, 42, 48, 0.6);
}


.download-btn-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 18px;
}

.download-btn-large:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(21, 250, 207, 0.4);
}

.download-section {
    text-align: center;
    margin-top: 24px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 16px;
}

.download-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(21, 250, 207, 0.3);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    margin-top: 24px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--primary-light);
    transform: translateX(-5px);
}

@media (max-width: 768px) {
    .presentation-iframe {
        min-height: 350px;
    }
    
    .research-header h1 {
        font-size: 24px;
    }
}