/* SRMesh - Modern Template CSS */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --dark-color: #1e/* Hero Screenshot */
.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-screenshot {
    position: absolute;
    top: -60px;
    right: -60px;
    width: 280px;
    height: 200px;
    z-index: 3;
    transform: rotate(-5deg);
    transition: var(--transition);
}

.hero-screenshot:hover {
    transform: rotate(0deg) scale(1.05);
}-color: #f8fafc;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    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: var(--dark-color);
    background: var(--light-color);
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.nav-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    margin-top: 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    display: block;
    font-size: 1.25rem;
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    max-width: 600px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-description strong {
    color: #ffffff;
    font-weight: 600;
}

.hero-authors {
    margin-bottom: 2rem;
}

.authors-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.author {
    background: rgba(255, 255, 255, 0.15);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.author:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.institution {
    font-size: 0.875rem;
    opacity: 0.8;
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
    background: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Hero Screenshot */
.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.hero-screenshot {
    position: absolute;
    top: 70px;
    right: -120px;
    width: min(1200px, 35vw);
    height: min(1200px, 35vw);
    z-index: 3;
    transform: rotate(-0deg);
    transition: var(--transition);
}

.hero-screenshot:hover {
    transform: rotate(0deg) scale(1.02);
}

.hero-screenshot .hero-overview-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.hero-screenshot:hover .hero-overview-img {
    transform: scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

/* Network Visualization */
.hero-visual {
    position: relative;
}

/* Network Visualization */
.network-visualization {
    width: 400px;
    height: 400px;
    position: relative;
    margin-top: 1rem;
}

.network-node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    animation: pulse 2s infinite;
}

.network-node.node-1 { top: 20%; left: 20%; animation-delay: 0s; }
.network-node.node-2 { top: 20%; right: 20%; animation-delay: 0.5s; }
.network-node.node-3 { bottom: 20%; left: 20%; animation-delay: 1s; }
.network-node.node-4 { bottom: 20%; right: 20%; animation-delay: 1.5s; }

.network-connection {
    position: absolute;
    height: 2px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 1px;
}

.network-connection.connection-1 {
    top: 30%;
    left: 40%;
    width: 20%;
    transform: rotate(45deg);
    transform-origin: left center;
}

.network-connection.connection-2 {
    top: 50%;
    left: 30%;
    width: 40%;
    transform: rotate(0deg);
}

.network-connection.connection-3 {
    bottom: 30%;
    left: 40%;
    width: 20%;
    transform: rotate(-45deg);
    transform-origin: left center;
}

.network-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: float 6s infinite linear;
}

.particle-1 { top: 10%; left: 10%; animation-delay: 0s; }
.particle-2 { top: 50%; right: 10%; animation-delay: 2s; }
.particle-3 { bottom: 10%; left: 50%; animation-delay: 4s; }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
}

@keyframes float {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) translateX(100px); opacity: 0; }
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 60% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: 1;
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    margin-top: 2rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #64748b;
    font-weight: 400;
}

/* About Section */
.abstract-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.abstract-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #374151;
}

.abstract-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.abstract-text em {
    color: var(--secondary-color);
    font-style: italic;
}

.key-innovations {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

.innovation-item {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition);
}

.innovation-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.innovation-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.innovation-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    margin-top: 1rem;
    color: var(--dark-color);
}

.innovation-content p {
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.6;
}

.abstract-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 300px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: #64748b;
    font-weight: 500;
}

/* Features Section */
.features-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

@media (min-width: 1200px) {
    .features-showcase {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

.feature-showcase-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.feature-showcase-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-image {
    width: 100%;
    min-height: 200px;
    max-height: 280px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.feature-showcase-item:hover .feature-img {
    transform: scale(1.05);
}

.feature-content {
    padding: 2rem;
    text-align: center;
}

.feature-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
    margin-top: 1.5rem;
    color: var(--primary-color);
}

.feature-content p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.feature-content p:first-of-type {
    font-weight: 500;
    color: var(--dark-color);
    font-size: 1.1rem;
}

/* Architecture Section */
.architecture-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.architecture-diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.arch-component {
    background: white;
    padding: 1.5rem 1rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(0, 0, 0, 0.08);
    flex: 0 0 180px;
}

.arch-component:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.arch-component.frontend,
.arch-component.controller,
.arch-component.agent,
.arch-component.analyzer {
    position: static;
}

.component-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.arch-component:hover .component-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.arch-component h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.arch-component p {
    font-size: 0.8rem;
    color: #64748b;
    line-height: 1.3;
    margin: 0;
}

.arch-flows {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.architecture-description h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
    margin-top: 1.5rem;
}

.architecture-description p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.architecture-description ul {
    list-style: none;
    padding: 0;
}

.architecture-description li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    color: #374151;
}

.architecture-description li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.architecture-description strong {
    color: var(--dark-color);
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    margin-top: 1rem;
    display: block;
}

.footer-logo p {
    color: #64748b;
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
}

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

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #64748b;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .network-visualization {
        width: 300px;
        height: 300px;
        margin: 0 auto;
    }

    .hero-screenshot {
        position: static;
        width: min(300px, 80vw);
        height: min(300px, 80vw);
        margin: 0 auto 2rem;
        transform: none;
    }

    .hero-screenshot:hover {
        transform: none;
    }

    .feature-image {
        min-height: 180px;
        max-height: 240px;
    }

    .section-title {
        margin-top: 1.5rem;
    }

    .abstract-content,
    .architecture-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .features-showcase {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .section-title {
        margin-top: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-actions {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .hero-title {
        font-size: 2.2rem;
        margin-top: 1.5rem;
    }

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

    .section {
        padding: 3rem 0;
    }

    .section-title {
        margin-top: 1.5rem;
    }

    .features-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .feature-image {
        min-height: 160px;
        max-height: 200px;
    }

    .architecture-diagram {
        gap: 1rem;
    }

    .arch-component {
        flex: 0 0 140px;
        padding: 1rem 0.75rem;
    }
}

/* Scroll Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading Animation */
.loading {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}