/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-deep: #0a0a12;
    --bg-dark: #0f0f1a;
    --bg-card: #151525;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b5;
    --text-muted: #606080;
    --accent: #b8a0ff;
    --accent-light: #d4c4ff;
    --accent-glow: rgba(184, 160, 255, 0.3);
    --gold: #ffd700;
    --gradient: linear-gradient(135deg, #667eea 0%, #b8a0ff 50%, #f0c0ff 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a12 0%, #151530 100%);
    --border: rgba(255, 255, 255, 0.08);
    --radius: 16px;
    --radius-lg: 24px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Starfield */
.stars, .stars2 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.stars {
    background: 
        radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 40% 70%, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 50% 20%, rgba(255,255,255,0.7), transparent),
        radial-gradient(1.5px 1.5px at 60% 50%, rgba(184,160,255,0.9), transparent),
        radial-gradient(1px 1px at 70% 80%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 10% 60%, rgba(255,255,255,0.7), transparent),
        radial-gradient(1.5px 1.5px at 30% 90%, rgba(184,160,255,0.8), transparent),
        radial-gradient(1px 1px at 90% 40%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 15% 15%, rgba(255,255,255,0.6), transparent);
    background-size: 100% 100%;
    animation: twinkle 8s ease-in-out infinite;
}

.stars2 {
    background: 
        radial-gradient(1px 1px at 25% 45%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 75% 25%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 45% 85%, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 85% 65%, rgba(255,255,255,0.3), transparent);
    animation: twinkle 12s ease-in-out infinite reverse;
}

@keyframes twinkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

a {
    color: inherit;
    text-decoration: none;
}

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    background: rgba(10, 10, 18, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--accent-light);
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 100px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: #0a0a12;
    box-shadow: 0 4px 30px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px var(--accent-glow);
}

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

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent);
}

.btn-tier {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    width: 100%;
    margin-top: 20px;
}

.btn-tier:hover {
    background: var(--accent);
    color: var(--bg-deep);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 140px 24px 100px;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-tag {
    display: inline-block;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.1rem;
    font-style: italic;
    color: var(--accent);
    margin-bottom: 24px;
    letter-spacing: 0.1em;
}

.hero h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 24px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: 16px;
}

.memorial-frame {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.memorial-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: var(--gradient);
}

.memorial-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 24px;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.memorial-frame h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 12px;
}

.memorial-dates {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

/* Sections */
.section {
    padding: 120px 0;
    position: relative;
}

.section-dark {
    background: var(--gradient-dark);
}

.section-gradient {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #1a1a30 100%);
}

.section-final {
    background: radial-gradient(ellipse at center, #1a1a40 0%, var(--bg-deep) 70%);
    padding: 160px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.9rem;
    font-style: italic;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-header h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 400;
}

/* Science Section */
.science-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
    font-size: 1.15rem;
    color: var(--text-secondary);
}

.science-intro em {
    color: var(--accent-light);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.principle-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: all 0.3s ease;
}

.principle-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.principle-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.principle-card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.principle-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.principle-card em {
    color: var(--accent-light);
}

.science-quote {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-style: italic;
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    border-left: 2px solid var(--accent);
    background: rgba(184, 160, 255, 0.05);
}

.science-quote cite {
    display: block;
    margin-top: 20px;
    font-size: 0.9rem;
    font-style: normal;
    color: var(--text-muted);
}

/* Nusa Section */
.nusa-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    align-items: center;
}

.nusa-text h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 32px;
}

.nusa-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.nusa-belief {
    margin-top: 40px;
    padding: 32px;
    background: rgba(184, 160, 255, 0.08);
    border-radius: var(--radius);
    border-left: 3px solid var(--accent);
}

.nusa-belief p {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--accent-light);
    margin: 0;
}

.constellation {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.star {
    position: absolute;
    font-size: 1.5rem;
    color: var(--accent);
    animation: float 6s ease-in-out infinite;
}

.s1 { top: 0; left: 50%; }
.s2 { top: 30%; right: 0; animation-delay: 1s; }
.s3 { top: 70%; right: 20%; animation-delay: 2s; }
.s4 { bottom: 0; left: 30%; animation-delay: 3s; }
.s5 { top: 40%; left: 0; animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Mission Grid */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.mission-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
}

.mission-number {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--accent);
    opacity: 0.5;
    margin-bottom: 16px;
}

.mission-card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.mission-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contribute Section */
.contribute-content {
    text-align: center;
}

.contribute-text {
    max-width: 600px;
    margin: 0 auto 48px;
}

.contribute-text h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 400;
    margin-bottom: 20px;
}

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

.contribute-note {
    font-size: 0.9rem !important;
    color: var(--accent) !important;
    margin-top: 20px;
}

.contribute-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.tier-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    position: relative;
    transition: all 0.3s ease;
}

.tier-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.tier-card.featured {
    border-color: var(--accent);
    background: linear-gradient(180deg, rgba(184, 160, 255, 0.1) 0%, var(--bg-card) 100%);
}

.featured-label {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-deep);
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tier-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.tier-amount {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3rem;
    font-weight: 400;
    color: var(--accent-light);
    margin-bottom: 16px;
}

.tier-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.custom-amount {
    margin-bottom: 48px;
}

.custom-amount p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.amount-input {
    display: flex;
    justify-content: center;
    gap: 12px;
    align-items: center;
}

.currency {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.amount-input input {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 24px;
    font-size: 1.25rem;
    color: var(--text-primary);
    width: 150px;
    text-align: center;
}

.amount-input input:focus {
    outline: none;
    border-color: var(--accent);
}

.progress-section {
    max-width: 500px;
    margin: 0 auto;
}

.progress-bar {
    height: 8px;
    background: var(--bg-card);
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 16px;
}

.progress-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: 100px;
    transition: width 0.5s ease;
}

.progress-stats {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.progress-stats strong {
    color: var(--accent-light);
}

.contributors {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 12px;
}

/* Final Section */
.final-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.omega-symbol {
    font-size: 5rem;
    color: var(--accent);
    margin-bottom: 32px;
    opacity: 0.8;
}

.final-content h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 24px;
}

.final-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.final-dedication {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-style: italic;
    color: var(--accent-light);
    margin-top: 40px;
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

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

.footer-logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 12px;
}

.footer-content > p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

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

/* Mobile */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }
    
    .hero-subtitle {
        margin: 0 auto 40px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-memorial {
        order: -1;
    }
    
    .principles-grid,
    .mission-grid {
        grid-template-columns: 1fr;
    }
    
    .nusa-content {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .nusa-belief {
        border-left: none;
        border-top: 3px solid var(--accent);
    }
    
    .contribute-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
}