:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.7);
    --primary: #0088ff;
    --accent: #00ffc3;
    --text-main: #f0f6fc;
    --text-dim: #8b949e;
    --border: rgba(48, 54, 61, 0.8);
    --font-inter: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --nav-height: 80px;
    --glass-blur: 15px;
    --transition-slow: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s ease;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-inter);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Background Visuals */
#particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.3;
}

/* Typography */
h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.highlight {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glass Navigation */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(13, 17, 23, 0.5);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.logo:hover .logo-text {
    color: var(--accent);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--text-main);
}

.logo-sub {
    font-size: 0.6rem;
    color: var(--accent);
    letter-spacing: 3px;
    font-weight: 700;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition-fast);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--nav-height);
    background-image: radial-gradient(circle at 80% 40%, rgba(0, 136, 255, 0.1), transparent 40%);
}

.hero-content {
    flex: 1;
    z-index: 10;
    padding-left: 10%;
    animation: fadeInUp 1s ease-out;
}

.badge-container {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.badge {
    background: rgba(0, 255, 195, 0.1);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid rgba(0, 255, 195, 0.2);
    box-shadow: 0 0 15px rgba(0, 255, 195, 0.1);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    max-width: 600px;
    font-weight: 300;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 136, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 136, 255, 0.6);
}

.btn-secondary {
    background: var(--accent);
    color: #0d1117;
}

.btn-outline {
    border: 2px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-main);
}

.hero-visual {
    position: absolute;
    right: 5%;
    width: 45%;
    height: 70%;
    background: url('../assets/images/neuronic_hero_visual.png') center/cover no-repeat;
    border-radius: 30px;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.8);
    opacity: 0.8;
    filter: brightness(0.8);
    mask-image: linear-gradient(to right, transparent, black 20%);
    animation: float 6s ease-in-out infinite;
}

/* Authority Badges */
.authority-badges {
    padding: 3rem 0;
    background: rgba(22, 27, 34, 0.5);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.badges-scroll {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
}

.badge-item {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.6;
    transition: var(--transition-fast);
}

.badge-item:hover {
    opacity: 1;
    color: var(--primary);
}

/* Expertise Matrix */
.expertise-matrix {
    padding: 10rem 0;
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.matrix-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 3rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.matrix-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-slow);
}

.matrix-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

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

.card-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 136, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--primary);
}

.card-icon i {
    width: 32px;
    height: 32px;
}

.matrix-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.matrix-card p {
    color: var(--text-dim);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.card-detail-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--accent);
    cursor: pointer;
}

/* Maestro Profile Section */
.maestro-profile {
    padding: 10rem 0;
    background: linear-gradient(180deg, var(--bg-color), rgba(0, 136, 255, 0.05), var(--bg-color));
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

.photo-frame {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    aspect-ratio: 4/5;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
}

.photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.photo-frame:hover img {
    transform: scale(1.05);
}

.photo-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-color) 0%, transparent 40%);
    pointer-events: none;
}

.badge-mini {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(0, 136, 255, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.profile-text h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.profile-intro {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.info-blocks {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.info-block {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.icon-small {
    width: 48px;
    height: 48px;
    background: rgba(48, 54, 61, 0.4);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    border: 1px solid var(--border);
}

.info-block h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--text-main);
}

.info-block ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-block li {
    font-size: 0.95rem;
    color: var(--text-dim);
    position: relative;
    padding-left: 1.2rem;
}

.info-block li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 800;
}

.info-block li strong {
    color: var(--text-main);
    font-weight: 600;
}

/* Timeline Section */
.timeline-section {
    padding: 10rem 0;
    background: radial-gradient(circle at 10% 90%, rgba(0, 255, 195, 0.05), transparent 30%);
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 4rem auto 0;
}

.timeline-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--border);
    transform: translateX(-50%);
}

.timeline-item {
    width: 45%;
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item.right {
    margin-left: 55%;
}

.timeline-content {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 15px;
    border: 1px solid var(--border);
    position: relative;
}

.timeline-content::after {
    content: '';
    position: absolute;
    top: 30px;
    width: 20px;
    height: 20px;
    background: var(--bg-color);
    border: 2px solid var(--primary);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item.left .timeline-content::after {
    right: -61px;
}

.timeline-item.right .timeline-content::after {
    left: -61px;
}

.year {
    display: inline-block;
    color: var(--accent);
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-section {
    padding: 10rem 0;
}

.contact-card {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.contact-info {
    padding: 4rem;
    background: linear-gradient(135deg, rgba(0, 136, 255, 0.1), transparent);
    border-right: 1px solid var(--border);
}

.contact-info h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.contact-details {
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-dim);
}

.contact-item i {
    color: var(--primary);
}

.contact-form {
    padding: 4rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dim);
}

input,
select,
textarea {
    background: #161b22;
    border: 1px solid var(--border);
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    color: white;
    font-family: inherit;
    transition: var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 136, 255, 0.2);
}

.full-width {
    width: 100%;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dim);
    font-size: 0.85rem;
}

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

.social-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

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

/* Scroll Snap/Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 10.5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-dim);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--border);
    border-radius: 15px;
    position: relative;
}

.mouse::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--accent);
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero-visual {
        display: none;
    }

    .hero-content {
        padding-left: 0;
        text-align: center;
    }

    .badge-container {
        justify-content: center;
    }

    .hero-btns {
        justify-content: center;
    }

    .contact-card {
        grid-template-columns: 1fr;
    }

    .contact-info {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .nav-links {
        display: none;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        margin-left: 50px !important;
    }

    .timeline-content::after {
        left: -41px !important;
    }

    /* Profile Mobile Fix */
    .profile-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .photo-frame {
        max-width: 400px;
        margin: 0 auto;
    }

    .profile-text h2 {
        text-align: center;
    }

    .profile-intro {
        margin-bottom: 2rem;
    }

    .info-block {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .info-block li {
        padding-left: 0;
    }

    .info-block li::before {
        display: none;
    }
}

/* Modal Popup Styles */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.modal-backdrop.active {
    display: flex;
    opacity: 1;
}

.modal-container {
    background: var(--card-bg);
    border: 1px solid var(--border);
    width: 90%;
    max-width: 850px;
    max-height: 85vh;
    border-radius: 28px;
    position: relative;
    padding: 3.5rem;
    overflow-y: auto;
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.7);
    transform: translateY(30px);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-container {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent);
    transform: rotate(90deg);
}

.modal-detail-type {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 2.5rem;
}

.modal-detail-type h2 {
    margin-bottom: 0px !important;
    text-align: left;
    font-size: 2rem;
}

.modal-section {
    margin-bottom: 3.5rem;
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h4 {
    color: var(--accent);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    margin-bottom: 1.8rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.modal-section h4::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.modal-data-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.modal-data-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(48, 54, 61, 0.4);
    padding: 1.5rem;
    border-radius: 16px;
    transition: var(--transition-fast);
}

.modal-data-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.item-meta {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.item-main {
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.4;
    font-size: 1.05rem;
}

.item-sub {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 0.8rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .modal-container {
        padding: 3rem 1.5rem;
        width: 95%;
    }

    .modal-detail-type h2 {
        font-size: 1.5rem;
    }

    .modal-data-list {
        grid-template-columns: 1fr;
    }
}