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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background: #fefefe;
    background-image: radial-gradient(circle at 1px 1px, #e8e5e0 1px, transparent 0);
    background-size: 32px 32px;
    font-weight: 400;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e8e5e0;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo,
.logo:visited,
.logo-text {
    text-decoration: none !important;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.75rem;
    font-weight: 700;
    color: #1a2332;
    letter-spacing: -0.025em;
    gap: 8px;
    user-select: none;
}

.logo-icon {
    display: inline-block;
}

.logo-text {
    font-family: inherit;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    color: #4a5568;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #d97706;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: #d97706;
    border-radius: 1px;
}

.hero {
    background: linear-gradient(135deg, #fefefe 0%, #f7fafc 100%);
    padding: 12rem 0 8rem;
    min-height: 80vh;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(217, 119, 6, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(26, 35, 50, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.hero-blob {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: #1a2332;
    letter-spacing: -0.025em;
    line-height: 1.05;
    text-shadow: 0 4px 32px rgba(44,44,44,0.07);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: #4a5568;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 3rem;
}

.cta-button {
    background: #d97706;
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.15);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(217, 119, 6, 0.25);
    background: #b45309;
}

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

.section {
    padding: 6rem 0;
}

.section h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: #1a2332;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
    text-align: center;
}

.section p {
    font-size: 1.125rem;
    color: #4a5568;
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
    line-height: 1.7;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.card {
    background: #fefefe;
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid #e8e5e0;
    transition: all 0.3s ease;
    position: relative;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: #d97706;
}

.card h3 {
    color: #1a2332;
    margin-bottom: 1rem;
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}

.card p {
    color: #4a5568;
    line-height: 1.6;
    margin: 0;
    text-align: left;
}

.stats {
    background: linear-gradient(135deg, #fefefe 0%, #f9f7f4 100%);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid #e8e5e0;
    text-align: center;
    margin: 3rem 0;
}

.stats h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a2332;
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.stat {
    padding: 1rem;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: #d97706;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.stat-label {
    color: #4a5568;
    font-size: 0.95rem;
    font-weight: 500;
}

.vision-card {
    background: linear-gradient(135deg, #1a2332 0%, #2d3748 100%);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    max-width: 900px;
    margin: 3rem auto;
}

.vision-card h3 {
    color: white;
    font-size: 1.75rem;
    margin-bottom: 2rem;
    text-align: center;
}

.vision-card p {
    color: #e2e8f0;
    margin-bottom: 1.5rem;
    text-align: left;
}

.vision-card strong {
    color: #f59e0b;
}

.tech-section {
    background: #f9f7f4;
}

.footer {
    background: #1a2332;
    color: #e2e8f0;
    text-align: center;
    padding: 3rem 0;
}

.footer p {
    color: #a0aec0;
    margin: 0;
}

/* Molecular pattern overlay */
.section:nth-child(even) {
    background: linear-gradient(135deg, #f7fafc 0%, #fefefe 100%);
    position: relative;
}

.section:nth-child(even)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 2px 2px, rgba(217, 119, 6, 0.05) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: 0.3;
}

.bg-shadow {
    position: fixed;
    z-index: 0;
    pointer-events: none;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.18;
    background: #2d3748;
}
.bg-shadow-top {
    width: 480px;
    height: 220px;
    top: -100px;
    left: 10vw;
}
.bg-shadow-bottom {
    width: 520px;
    height: 240px;
    bottom: -120px;
    right: 8vw;
}
.bg-shadow-center {
    width: 600px;
    height: 300px;
    top: 40vh;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.10;
}
@media (max-width: 900px) {
    .bg-shadow-top, .bg-shadow-bottom, .bg-shadow-center {
        width: 220px;
        height: 100px;
        filter: blur(30px);
    }
    .bg-shadow-top {
        top: -40px;
        left: 0;
    }
    .bg-shadow-bottom {
        bottom: -40px;
        right: 0;
    }
    .bg-shadow-center {
        top: 45vh;
    }
    .hero {
        padding: 6rem 0 4rem;
        min-height: 60vh;
    }
    .hero h1 {
        font-size: 2.7rem;
    }
    .container {
        padding: 0 1rem;
    }
    .grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .vision-card {
        padding: 1.5rem;
        max-width: 98vw;
        margin: 2rem auto;
    }
    .section {
        padding: 3rem 0;
    }
    .footer {
        padding: 1.5rem 0;
        font-size: 0.98rem;
    }
    .nav {
        flex-direction: column;
        gap: 1.2rem;
        padding: 1rem 1rem;
    }
    .nav-links {
        gap: 1.2rem;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    .logo {
        font-size: 1.2rem;
    }
}
@media (max-width: 600px) {
    .container {
        padding: 0 0.3rem;
    }
    .vision-card {
        padding: 0.7rem;
    }
    .section h2 {
        font-size: 1.3rem;
    }
    .footer {
        font-size: 0.92rem;
    }
    .nav {
        padding: 0.7rem 0.3rem;
    }
    .nav-links {
        gap: 0.7rem;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero p {
        font-size: 1.125rem;
    }
    .section {
        padding: 4rem 0;
    }
    .section h2 {
        font-size: 2rem;
    }
    .grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.bg-lab-shape {
    position: fixed;
    z-index: 0;
    pointer-events: none;
}
.bg-lab-beaker {
    top: -10vh;
    left: -8vw;
}
.bg-lab-flask {
    bottom: -12vh;
    right: -10vw;
}
.bg-lab-tube {
    top: 20vh;
    right: -12vw;
}
.bg-lab-line1 {
    top: 10vh;
    left: 40vw;
    transform: translateX(-50%);
}
.bg-lab-line2 {
    top: 50vh;
    left: -6vw;
}
.bg-lab-circle {
    bottom: -10vh;
    left: 20vw;
}
@media (max-width: 900px) {
    .bg-lab-beaker {
        width: 210px;
        height: 360px;
        top: -5vh;
        left: -4vw;
    }
    .bg-lab-flask {
        width: 260px;
        height: 260px;
        bottom: -6vh;
        right: -5vw;
    }
    .bg-lab-tube {
        width: 160px;
        height: 360px;
        top: 25vh;
        right: -6vw;
    }
    .bg-lab-line1 {
        width: 450px;
        height: 30px;
        top: 5vh;
    }
    .bg-lab-line2 {
        width: 30px;
        height: 450px;
        top: 55vh;
    }
    .bg-lab-circle {
        width: 160px;
        height: 160px;
        bottom: -5vh;
    }
}

.nav-disabled {
    color: #b0b4bb !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
    opacity: 0.7;
    text-decoration: none;
}

/* Development Timeline Styles */
#timeline {
    background: linear-gradient(135deg, #fefefe 0%, #f9f7f4 100%);
    position: relative;
    overflow: visible;
}
.timeline-subtitle {
    color: #d97706;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}
.timeline-intro {
    color: #4a5568;
    text-align: center;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    font-size: 1.1rem;
}
.timeline-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3.5rem;
    position: relative;
    margin-top: 3.5rem;
}
.timeline-vertical-line {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, #f6e7d0 0%, #d97706 100%);
    border-radius: 3px;
    z-index: 0;
}
.timeline-card {
    background: #fffdfa;
    border: 1.5px solid #f6e7d0;
    border-radius: 18px;
    box-shadow: 0 6px 32px rgba(217, 119, 6, 0.07), 0 1.5px 6px rgba(44, 44, 44, 0.03);
    padding: 2.5rem 3.5rem 2rem 3.5rem;
    min-width: 340px;
    max-width: 520px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    transition: box-shadow 0.2s;
    z-index: 1;
}
.timeline-card:not(:last-child) {
    margin-bottom: 0;
}
.timeline-node {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translate(-50%, -50%);
    width: 22px;
    height: 22px;
    background: #fffdfa;
    border: 4px solid #d97706;
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(217, 119, 6, 0.10);
}
.timeline-card .timeline-node {
    top: 0;
}
.timeline-year {
    color: #d97706;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    letter-spacing: 0.01em;
}
.timeline-title {
    color: #1a2332;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.7rem;
    text-align: center;
}
.timeline-quantum {
    color: #4a5568;
    font-size: 1.05rem;
    margin-bottom: 0.7rem;
    text-align: center;
}
.timeline-divider {
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #f6e7d0 0%, #d97706 100%);
    border-radius: 2px;
    margin: 0.7rem 0 0.7rem 0;
}
.timeline-ours {
    color: #b45309;
    font-size: 1.05rem;
    font-weight: 500;
    text-align: center;
}
@media (max-width: 900px) {
    .timeline-grid {
        gap: 2.5rem;
    }
    .timeline-card {
        min-width: 0;
        max-width: 98vw;
        width: 100%;
        padding: 1.5rem 0.5rem 1.2rem 0.5rem;
    }
    .timeline-vertical-line {
        left: 18px;
        width: 3px;
    }
    .timeline-node {
        left: 18px;
        width: 16px;
        height: 16px;
        border-width: 3px;
    }
}
@media (max-width: 600px) {
    .timeline-card {
        padding: 1.1rem 0.2rem 1rem 0.2rem;
        font-size: 0.98rem;
    }
    .timeline-year, .timeline-title, .timeline-quantum, .timeline-ours {
        font-size: 0.98rem;
    }
}