/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background-color: #ffffff;
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: #1a202c;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a202c;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #2d3748;
}

p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #4a5568;
}

/* Layout containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 4rem 0;
}

/* Header */
header {
    background-color: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a365d;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #1a365d;
}

/* Hero section with modern redesigned layout */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(15, 23, 42, 0.9)), 
                url('https://images.unsplash.com/photo-1518186285589-2f7649de83e0?ixlib=rb-4.0.3&auto=format&fit=crop&w=2074&q=80') center/cover;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(251, 191, 36, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
        linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(253, 224, 71, 0.05));
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 50%;
    top: 20%;
    right: 10%;
    animation: float-circle 8s ease-in-out infinite;
    z-index: 1;
}

@keyframes float-circle {
    0%, 100% { 
        transform: translateY(0px) scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: translateY(-30px) scale(1.1);
        opacity: 0.8;
    }
}

.hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    color: #ffffff;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.8);
    position: relative;
    margin-bottom: 1.5rem;
    font-size: 3.8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero h1 .highlight {
    color: #ffd700;
    position: relative;
}

.hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 3px;
    background: #ffd700;
    border-radius: 2px;
    animation: expand-line 1.5s ease-out forwards;
}

@keyframes expand-line {
    from { width: 0; }
    to { width: 100%; }
}

.hero .subtitle {
    font-size: 1.3rem;
    color: #ffd700;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero p {
    color: #e2e8f0;
    font-weight: 400;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    line-height: 1.7;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
    justify-content: center;
}

/* Enhanced buttons with better styling */
.btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    border: none;
    font-size: 1.1rem;
    border-radius: 50px;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.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: linear-gradient(135deg, #fbbf24, #f59e0b, #d97706);
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #f59e0b, #d97706, #b45309);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(251, 191, 36, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(15px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-3px) scale(1.05);
}

/* Grid layouts */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Enhanced cards with blockchain-themed styling */
.card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    backdrop-filter: blur(15px);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #fbbf24, #f59e0b, #fde047);
}

.card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(251, 191, 36, 0.3);
}

.card h3 {
    margin-bottom: 1rem;
    color: #1e293b;
    position: relative;
}

.card h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

/* Enhanced About section with better design */
.about {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.98), rgba(255, 255, 255, 0.95)), 
                url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover;
    position: relative;
    padding: 6rem 0;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.9));
    z-index: 1;
}

.about-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1e293b, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: #ffd700;
    border-radius: 2px;
}

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

.about-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-text p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #475569;
    margin: 0;
    text-align: left;
}

.about-text p:first-child {
    font-weight: 500;
    color: #334155;
}

.about-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.mission-card {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), rgba(255, 237, 78, 0.1));
    border: 2px solid rgba(255, 215, 0, 0.2);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.05) 0%, transparent 70%);
    transition: opacity 0.4s ease;
    opacity: 0;
}

.mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.15);
    border-color: rgba(255, 215, 0, 0.4);
}

.mission-card:hover::before {
    opacity: 1;
}

.mission-icon {
    width: 80px;
    height: 80px;
    background: #ffd700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    color: white;
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
}

.mission-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.mission-card p {
    font-size: 1rem;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 15px;
    padding: 2rem 1.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.1);
}

.stat-card .number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffd700;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-card .label {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.program {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.05), rgba(30, 41, 59, 0.1)), 
                url('https://images.unsplash.com/photo-1559526324-4b87b5e36e44?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover;
    position: relative;
}

.program::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.95), rgba(241, 245, 249, 0.9));
    z-index: 1;
}

.program .container {
    position: relative;
    z-index: 2;
}

.research {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.05), rgba(253, 224, 71, 0.05)), 
                url('https://images.unsplash.com/photo-1518186285589-2f7649de83e0?ixlib=rb-4.0.3&auto=format&fit=crop&w=2074&q=80') center/cover;
    position: relative;
}

.research::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.9));
    z-index: 1;
}

.research .container {
    position: relative;
    z-index: 2;
}

/* Enhanced partnerships section */
.partnerships {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.02), rgba(30, 41, 59, 0.05)), 
                url('https://images.unsplash.com/photo-1560472354-b33ff0c44a43?ixlib=rb-4.0.3&auto=format&fit=crop&w=2126&q=80') center/cover;
    position: relative;
}

.partnerships::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.97), rgba(241, 245, 249, 0.95));
    z-index: 1;
}

.partnerships .container {
    position: relative;
    z-index: 2;
}

.partnerships h2 {
    background: linear-gradient(135deg, #1e293b, #475569);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.partnerships h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    border-radius: 2px;
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

/* Enhanced industry partnership cards */
.partner {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: none;
    padding: 2.5rem 2rem;
    text-align: center;
    font-weight: 600;
    color: #1e293b;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.partner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #fbbf24, #f59e0b, #fde047);
    z-index: 1;
}

.partner::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.05) 0%, transparent 70%);
    transition: opacity 0.4s ease;
    opacity: 0;
    z-index: 0;
}

.partner:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    color: #0f172a;
}

.partner:hover::after {
    opacity: 1;
}

.partner:nth-child(1) { animation-delay: 0.1s; }
.partner:nth-child(2) { animation-delay: 0.2s; }
.partner:nth-child(3) { animation-delay: 0.3s; }
.partner:nth-child(4) { animation-delay: 0.4s; }
.partner:nth-child(5) { animation-delay: 0.5s; }
.partner:nth-child(6) { animation-delay: 0.6s; }

.cta {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.9)), 
                url('https://images.unsplash.com/photo-1639762681485-074b7f938ba0?ixlib=rb-4.0.3&auto=format&fit=crop&w=2932&q=80') center/cover;
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(251, 191, 36, 0.2));
    z-index: 1;
}

.cta::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(253, 224, 71, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    z-index: 1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta .container {
    position: relative;
    z-index: 2;
}

.cta h2 {
    color: #ffffff;
    margin-bottom: 1rem;
}

.cta p {
    color: #e2e8f0;
    margin-bottom: 2rem;
}

.cta .btn-primary {
    background: linear-gradient(135deg, #ffffff, #f1f5f9);
    color: #1e293b;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.cta .btn-primary:hover {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

/* Footer */
footer {
    background-color: #2d3748;
    color: #e2e8f0;
    padding: 2rem 0;
    text-align: center;
}

footer p {
    color: #e2e8f0;
    margin: 0;
}

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

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

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero .subtitle {
        font-size: 1.1rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        min-height: 100vh;
        padding-top: 2rem;
        padding-bottom: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    /* About section mobile styles */
    .about {
        padding: 4rem 0;
    }

    .about h2 {
        font-size: 2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        margin-top: 3rem;
    }

    .about-text {
        gap: 1.5rem;
    }

    .about-text p {
        text-align: center;
        font-size: 1.1rem;
    }

    .mission-card {
        padding: 2rem 1.5rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .card:hover {
        transform: translateY(-5px);
    }

    .partner:hover {
        transform: translateY(-5px);
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    nav {
        padding: 1rem;
    }

    .container {
        padding: 0 1rem;
    }
}
