/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #3730a3 100%);
    min-height: 100vh;
    color: white;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Background Effects */
.bg-effects {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
}

.bg-pattern {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2260%22%20height%3D%2260%22%20viewBox%3D%220%200%2060%2060%22%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%3E%3Cg%20fill%3D%22none%22%20fill-rule%3D%22evenodd%22%3E%3Cg%20fill%3D%22%239C92AC%22%20fill-opacity%3D%220.05%22%3E%3Ccircle%20cx%3D%2230%22%20cy%3D%2230%22%20r%3D%221%22/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.bg-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(30, 58, 138, 0.2) 0%, transparent 50%, rgba(59, 130, 246, 0.1) 100%);
}

.floating-element {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    animation: float 6s ease-in-out infinite;
}

.floating-1 {
    top: 5rem;
    left: 2.5rem;
    width: 8rem;
    height: 8rem;
    background: rgba(96, 165, 250, 0.1);
    animation-delay: 0s;
}

.floating-2 {
    bottom: 8rem;
    right: 4rem;
    width: 12rem;
    height: 12rem;
    background: rgba(129, 140, 248, 0.08);
    animation-delay: 1s;
}

.floating-3 {
    top: 50%;
    left: 25%;
    width: 6rem;
    height: 6rem;
    background: rgba(125, 211, 252, 0.12);
    animation-delay: 0.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.7; }
    50% { transform: translateY(-20px) scale(1.05); opacity: 1; }
}

/* Glass Effect */
.glass {
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-card {
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-container {
    position: relative;
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 0.5rem;
    transition: opacity 0.3s ease;
}

.logo-image:hover {
    opacity: 0.9;
}

.logo-icon-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.logo-image:not([src]), .logo-image[src=""] {
    opacity: 0;
}

.logo-image:not([src]) + .logo-icon-fallback,
.logo-image[src=""] + .logo-icon-fallback {
    opacity: 1;
}

.logo-icon-fallback i {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-desktop {
    display: flex;
    gap: 0.25rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.2s;
}

.nav-btn:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn.active {
    background: rgba(59, 130, 246, 0.2);
    color: #bfdbfe;
    backdrop-filter: blur(16px);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.nav-btn i {
    width: 1rem;
    height: 1rem;
}

.mobile-menu-btn {
    display: none;
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-menu-btn i {
    width: 1.25rem;
    height: 1.25rem;
}

.nav-mobile {
    display: none;
    padding: 1rem 0;
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 0 -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
}

.nav-mobile.active {
    display: block;
}

.nav-mobile-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-btn-mobile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.nav-btn-mobile:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn-mobile.active {
    background: rgba(59, 130, 246, 0.2);
    color: #bfdbfe;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.nav-btn-mobile i {
    width: 1.25rem;
    height: 1.25rem;
}

/* Main Content */
.main {
    position: relative;
    z-index: 10;
}

.section {
    display: none;
    padding: 6rem 0 3rem;
}

.section.active {
    display: block;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    padding: 0.75rem 1.5rem;
    margin-bottom: 1.5rem;
}

.section-badge i {
    width: 1.25rem;
    height: 1.25rem;
    color: #93c5fd;
}

.section-badge span {
    font-size: 0.875rem;
    font-weight: 500;
    color: #bfdbfe;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(to right, white, #dbeafe, #c7d2fe);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.section-description {
    font-size: 1.25rem;
    color: rgba(219, 234, 254, 0.8);
    max-width: 48rem;
    margin: 0 auto;
    line-height: 1.6;
}

/* Hero Section */
.hero-content {
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    padding: 0.75rem 1.5rem;
    margin-bottom: 1.5rem;
}

.hero-badge i {
    width: 1.25rem;
    height: 1.25rem;
    color: #93c5fd;
}

.hero-badge span {
    font-size: 0.875rem;
    font-weight: 500;
    color: #bfdbfe;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(to right, white, #dbeafe, #c7d2fe);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-title-accent {
    background: linear-gradient(to right, #60a5fa, #6366f1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.5rem;
    color: rgba(219, 234, 254, 0.8);
    max-width: 48rem;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin-bottom: 4rem;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(to right, #2563eb, #3b82f6);
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    transform: scale(1);
}

.btn-primary:hover {
    background: linear-gradient(to right, #1d4ed8, #2563eb);
    transform: scale(1.05);
    box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.25);
}

.btn-primary i {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform 0.3s;
}

.btn-primary:hover i {
    transform: translateX(0.25rem);
}

.btn-secondary {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary i {
    width: 1.25rem;
    height: 1.25rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 64rem;
    margin: 0 auto;
}

.stat-card {
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #93c5fd;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(219, 234, 254, 0.8);
}

/* About Section */
.about-content {
    display: grid;
    gap: 3rem;
    margin-bottom: 4rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-title i {
    width: 1.5rem;
    height: 1.5rem;
    color: #fbbf24;
}

.card-subtitle {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.card-text {
    font-size: 1.125rem;
    color: rgba(219, 234, 254, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-text:last-child {
    margin-bottom: 0;
}

.philosophy-list {
    list-style: none;
}

.philosophy-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: rgba(219, 234, 254, 0.8);
}

.list-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.list-dot.blue { background: #60a5fa; }
.list-dot.indigo { background: #6366f1; }
.list-dot.sky { background: #0ea5e9; }
.list-dot.cyan { background: #06b6d4; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.feature-card {
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.feature-icon i {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
}

.feature-description {
    font-size: 0.875rem;
    color: rgba(219, 234, 254, 0.7);
    line-height: 1.5;
}

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

.quote-card {
    backdrop-filter: blur(16px);
    background: linear-gradient(to right, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
    max-width: 64rem;
    margin: 0 auto;
}

.quote-text {
    font-size: 1.5rem;
    font-weight: 500;
    color: white;
    font-style: italic;
    margin-bottom: 1rem;
}

.quote-author {
    color: #bfdbfe;
}

/* Projects Section */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.filter-btn.active {
    background: rgba(59, 130, 246, 0.2);
    color: #bfdbfe;
    backdrop-filter: blur(16px);
    border-color: rgba(59, 130, 246, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.project-card {
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.5s;
}

.project-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
    box-shadow: 0 25px 50px -12px rgba(59, 130, 246, 0.1);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.project-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-icon i {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.project-category {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(147, 197, 253, 0.8);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.project-card:hover .project-title {
    color: #bfdbfe;
}

.project-description {
    color: rgba(219, 234, 254, 0.7);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(to right, #2563eb, #3b82f6);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.project-link:hover {
    background: linear-gradient(to right, #1d4ed8, #2563eb);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.25);
}

.project-link i {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s;
}

.project-link:hover i {
    transform: translateX(0.25rem);
}

.project-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

/* Footer */
.footer {
    position: relative;
    z-index: 10;
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 5rem;
}

.footer-content {
    display: grid;
    gap: 2rem;
    padding: 3rem 0;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-description {
    color: rgba(219, 234, 254, 0.7);
    line-height: 1.6;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

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

.footer-list li {
    margin-bottom: 0.75rem;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(219, 234, 254, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-link:hover {
    color: #bfdbfe;
}

.footer-link i {
    width: 1rem;
    height: 1rem;
}

.philosophy-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.philosophy-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(219, 234, 254, 0.7);
    font-size: 0.875rem;
}

.philosophy-item i {
    width: 1rem;
    height: 1rem;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.footer-copyright {
    color: rgba(219, 234, 254, 0.6);
    font-size: 0.875rem;
}

.footer-powered {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(219, 234, 254, 0.6);
    font-size: 0.875rem;
}

.powered-link {
    color: #93c5fd;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.powered-link:hover {
    color: #bfdbfe;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.25rem;
    }
    
    .section-description {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        text-align: center;
    }
    
    .logo-text {
        font-size: 1.125rem;
    }
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
    
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Project Color Classes */
.green { background: linear-gradient(135deg, #10b981, #059669); }
.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.blue { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.pink { background: linear-gradient(135deg, #ec4899, #f43f5e); }
.orange { background: linear-gradient(135deg, #f97316, #ef4444); }
.indigo { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.teal { background: linear-gradient(135deg, #14b8a6, #06b6d4); }
.emerald { background: linear-gradient(135deg, #10b981, #22c55e); }
.red { background: linear-gradient(135deg, #ef4444, #ec4899); }
.yellow { background: linear-gradient(135deg, #eab308, #f97316); }
.slate { background: linear-gradient(135deg, #64748b, #6b7280); }
.violet { background: linear-gradient(135deg, #8b5cf6, #6366f1); }