:root {
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --secondary: #06b6d4;
    --accent: #f59e0b;
    --light: #f8fafc;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --success: #10b981;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 6px 10px -1px rgba(0, 0, 0, 0.1), 0 2px 6px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.brand {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-icon {
    display: inline-flex;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 8px;
    padding: 6px;
}

.brand-icon i {
    color: white;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-link:hover {
    color: var(--primary);
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-700);
    transition: var(--transition);
}

.mobile-toggle:hover {
    color: var(--primary);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    padding: 1rem;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border-radius: var(--radius);
}

.mobile-link:hover {
    background: rgba(79, 70, 229, 0.05);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #a5b4fc 0%, #c7d2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.2" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
    color: var(--gray-700);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    border: 2px solid transparent;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

/* Bento Grid Section */
.bento-grid {
    padding: 6rem 0;
    background: var(--gray-50);
}

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

.bento-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--gray-900);
}

.bento-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 3rem;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.bento-grid-layout {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 200px);
    gap: 1.5rem;
}

.bento-item {
    border-radius: var(--radius-xl);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.bento-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: var(--transition);
}

.bento-item:hover::before {
    opacity: 1;
}

.bento-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.bento-item-1 {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
    background: linear-gradient(135deg, #c7d2fe 0%, #a5b4fc 100%);
}

.bento-item-2 {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
    background: linear-gradient(135deg, #bae6fd 0%, #7dd3fc 100%);
}

.bento-item-3 {
    grid-column: 4 / 5;
    grid-row: 1 / 3;
    background: linear-gradient(135deg, #bbf7d0 0%, #86efac 100%);
}

.bento-item-4 {
    grid-column: 1 / 2;
    grid-row: 2 / 4;
    background: linear-gradient(135deg, #fbcfe8 0%, #f9a8d4 100%);
}

.bento-item-5 {
    grid-column: 2 / 4;
    grid-row: 2 / 3;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.bento-item-6 {
    grid-column: 2 / 4;
    grid-row: 3 / 4;
    background: linear-gradient(135deg, #ddd6fe 0%, #c4b5fd 100%);
}

.bento-item-7 {
    grid-column: 4 / 5;
    grid-row: 3 / 4;
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
}

.bento-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-flex;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    padding: 10px;
}

.bento-heading {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.bento-text {
    color: var(--gray-700);
    line-height: 1.6;
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 2px;
}

.text-center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.about-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-image {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    border-radius: var(--radius-xl);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.image-placeholder {
    text-align: center;
    z-index: 1;
}

.image-placeholder i {
    margin-bottom: 1rem;
    opacity: 0.9;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.image-placeholder p {
    font-size: 1.2rem;
    font-weight: 600;
}

/* Departments Section */
.departments {
    padding: 6rem 0;
    background: var(--gray-50);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 3rem;
}

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

.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.department-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.department-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    transform: scaleX(0);
    transition: var(--transition);
}

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

.department-card:hover::before {
    transform: scaleX(1);
}

.department-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-flex;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.department-card:hover .department-icon {
    transform: scale(1.1);
}

.department-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.department-description {
    color: var(--gray-600);
    line-height: 1.8;
}

/* Work Section */
.work {
    padding: 6rem 0;
    background: var(--white);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.work-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.work-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.work-image-1 {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

.work-image-2 {
    background: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
}

.work-image-3 {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.work-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.work-image i {
    z-index: 1;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.work-content {
    padding: 2rem;
}

.work-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.work-description {
    color: var(--gray-600);
    line-height: 1.8;
}

/* Join Section */
.join {
    padding: 6rem 0;
    background: var(--gray-50);
}

.join-content {
    max-width: 600px;
    margin: 0 auto;
}

.join-form {
    margin-top: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-800);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.submit-button:hover::before {
    left: 100%;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--white);
}

.contact-info {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin: 2rem 0;
    line-height: 2;
}

.subscribe-form {
    max-width: 500px;
    margin: 3rem auto;
}

.subscribe-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--gray-800);
}

.subscribe-input-group {
    display: flex;
    gap: 0.5rem;
}

.subscribe-input-group input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.subscribe-input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.subscribe-input-group button {
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.subscribe-input-group button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    transform: scale(0);
    transition: var(--transition);
    border-radius: 50%;
}

.social-link:hover::before {
    transform: scale(1);
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: 2rem 0;
}

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

.footer-text {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .bento-grid-layout {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(5, 200px);
    }

    .bento-item-1 {
        grid-column: 1 / 3;
        grid-row: 1 / 2;
    }

    .bento-item-2 {
        grid-column: 1 / 2;
        grid-row: 2 / 3;
    }

    .bento-item-3 {
        grid-column: 2 / 3;
        grid-row: 2 / 4;
    }

    .bento-item-4 {
        grid-column: 1 / 2;
        grid-row: 3 / 5;
    }

    .bento-item-5 {
        grid-column: 2 / 3;
        grid-row: 4 / 5;
    }

    .bento-item-6 {
        grid-column: 1 / 2;
        grid-row: 5 / 6;
    }

    .bento-item-7 {
        grid-column: 2 / 3;
        grid-row: 5 / 6;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

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

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

    .bento-grid-layout {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(7, 200px);
    }

    .bento-item-1 {
        grid-column: 1 / 2;
        grid-row: 1 / 2;
    }

    .bento-item-2 {
        grid-column: 1 / 2;
        grid-row: 2 / 3;
    }

    .bento-item-3 {
        grid-column: 1 / 2;
        grid-row: 3 / 4;
    }

    .bento-item-4 {
        grid-column: 1 / 2;
        grid-row: 4 / 5;
    }

    .bento-item-5 {
        grid-column: 1 / 2;
        grid-row: 5 / 6;
    }

    .bento-item-6 {
        grid-column: 1 / 2;
        grid-row: 6 / 7;
    }

    .bento-item-7 {
        grid-column: 1 / 2;
        grid-row: 7 / 8;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .departments-grid,
    .work-grid {
        grid-template-columns: 1fr;
    }

    .footer .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .subscribe-input-group {
        flex-direction: column;
    }
}