:root {
    --bg-dark: #0a0a0e;
    --bg-darker: #060608;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --border-color: rgba(255, 255, 255, 0.1);
    
    --primary: #6366f1; /* Indigo */
    --primary-glow: rgba(99, 102, 241, 0.4);
    --secondary: #8b5cf6; /* Violet */
    --accent: #ec4899; /* Pink */
    
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
}

.overlay-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: url('assets/hero_bg.png') no-repeat center center;
    background-size: cover;
    opacity: 0.15;
    mix-blend-mode: screen;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
    filter: brightness(1.1);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: white;
    color: var(--bg-dark);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    z-index: 1000;
    background: rgba(10, 10, 14, 0.7);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    height: 70px;
    background: rgba(6, 6, 8, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover, .nav-links a.active {
    color: white;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Sections */
.section {
    padding: 8rem 5%;
    position: relative;
}

.alt-bg {
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.02), transparent);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 5% 4rem;
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 10;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 9999px;
    color: #a5b4fc;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: fadeIn 1s ease-out;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: slideUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 300;
    animation: slideUp 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
    animation: slideUp 0.8s ease-out 0.6s both;
}

.stats-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    animation: slideUp 0.8s ease-out 0.8s both;
}

.stat-number {
    font-size: 2rem;
    color: white;
    margin-bottom: 0.2rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1.5s ease-out 0.5s both;
}

/* Glass Cards */
.glass-card {
    background: rgba(20, 20, 25, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.5rem;
    padding: 1.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    position: absolute;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    transform: translateY(-10px) scale(1.02) !important;
}

.main-glass-card {
    width: 320px;
    z-index: 2;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.secondary-glass-card {
    width: 280px;
    z-index: 1;
    top: 60%;
    left: 60%;
    transform: translate(-20%, 10%) rotate(5deg);
    opacity: 0.9;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.card-icon {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.card-location {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

.tags {
    display: flex;
    gap: 0.5rem;
}

.tag {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    color: #e5e7eb;
}

/* Glow Orbs */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    opacity: 0.6;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: 10%;
    right: 20%;
    animation: float 8s ease-in-out infinite;
}

.orb-2 {
    width: 250px;
    height: 250px;
    background: var(--accent);
    bottom: 0;
    left: 10%;
    animation: float 10s ease-in-out infinite reverse;
}

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

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

.opportunities-grid {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Feature Cards */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

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

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--primary);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.card-link i {
    width: 18px;
    height: 18px;
    transition: transform 0.3s;
}

.card-link:hover {
    color: white;
}

.card-link:hover i {
    transform: translateX(5px);
}

/* Opportunity Cards */
.opp-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.opp-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border-color: rgba(255,255,255,0.2);
}

.opp-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.opp-img::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, var(--bg-dark), transparent);
}

.opp-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.opp-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.opp-badge.merit {
    background: rgba(99, 102, 241, 0.9);
    color: white;
}

.opp-badge.need {
    background: rgba(236, 72, 153, 0.9);
    color: white;
}

.opp-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.opp-content p {
    color: var(--text-secondary);
    flex: 1;
    margin-bottom: 2rem;
}

.opp-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.opp-footer span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.center-cta {
    text-align: center;
    margin-top: 4rem;
}

/* Steps */
.steps-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--bg-dark);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
    transition: var(--transition);
}

.step:hover .step-number {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
}

.step h3 {
    margin-bottom: 1rem;
}

.step p {
    color: var(--text-secondary);
    max-width: 250px;
    margin: 0 auto;
}

.step-connector {
    flex: 0.5;
    height: 2px;
    background: linear-gradient(90deg, var(--border-color) 0%, var(--primary) 50%, var(--border-color) 100%);
    margin-top: 30px;
    z-index: 1;
    opacity: 0.5;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 6rem 5% 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin: 1.5rem 0;
    max-width: 300px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.footer-links h4, .footer-newsletter h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-newsletter p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: white;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.newsletter-form input:focus {
    border-color: var(--primary);
    background: rgba(255,255,255,0.05);
}

.newsletter-form .btn {
    padding: 0.75rem;
    border-radius: 0.5rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.legal-links {
    display: flex;
    gap: 1.5rem;
}

.legal-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.legal-links a:hover {
    color: white;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0% { transform: translate(0, 0); }
    50% { transform: translate(0, 30px); }
    100% { transform: translate(0, 0); }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .hero-visual { display: none; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links, .nav-btn { display: none; }
    .mobile-menu-btn { display: block; }
    
    .hero { padding-top: 120px; text-align: center; }
    .hero-content { margin: 0 auto; }
    .hero-actions { justify-content: center; flex-direction: column; }
    .stats-container { justify-content: center; flex-wrap: wrap; }
    
    .steps-container {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
    }
    
    .step-connector {
        width: 2px;
        height: 50px;
        margin: 0;
    }
    
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}