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

:root {
    --primary-color: #13c1ff;
    --secondary-color: #267ce1;
    --accent-color: #1a5fb4;
    --gradient-primary: linear-gradient(135deg, #13c1ff, #267ce1);
    --dark-bg: #0a0a0f;
    --darker-bg: #050508;
    --card-bg: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #b8b9c7;
    --gradient-secondary: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --gradient-accent: linear-gradient(135deg, #9d4edd 0%, #6c5ce7 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --shadow-light: rgba(0, 212, 255, 0.3);
    --shadow-medium: rgba(0, 212, 255, 0.5);
    --shadow-heavy: rgba(0, 212, 255, 0.7);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #000000;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

#background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

#starfield-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 55%;
    background: transparent;
    overflow: hidden;
    z-index: 1;
    mix-blend-mode: screen;
    transition: transform 0.1s ease-out;
}

#ocean-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        transparent 0%, 
        transparent 50%, 
        rgba(0, 20, 40, 0.3) 60%,
        rgba(0, 40, 80, 1.0) 100%
    );
    overflow: hidden;
    z-index: 2;
}

#ocean-container canvas {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    mix-blend-mode: screen;
    opacity: 0.9;
}

#starfield-foreground {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 55%;
    background: transparent;
    overflow: hidden;
    z-index: 3;
    pointer-events: none;
    transition: transform 0.1s ease-out;
}

.star {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.6) 40%, transparent 70%);
    pointer-events: none;
    z-index: 2;

}

.constellation-star {
    z-index: 3;
    filter: drop-shadow(0 0 2px currentColor);
}

.star-small {
    width: 1px;
    height: 1px;
    box-shadow: 0 0 2px currentColor;
}

.star-medium {
    width: 2px;
    height: 2px;
    box-shadow: 0 0 4px currentColor;
}

.star-large {
    width: 3px;
    height: 3px;
    box-shadow: 0 0 6px currentColor, 0 0 12px currentColor;
}

.star-very-large {
    width: 4px;
    height: 4px;
    box-shadow: 0 0 8px currentColor, 0 0 16px currentColor, 0 0 24px currentColor;
}

.constellation-super-bright {
    opacity: 1.0;
}

.constellation-bright {
    opacity: 0.9;
}

.constellation-medium {
    opacity: 0.7;
}

.constellation-dim {
    opacity: 0.5;
}

.shooting-star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    border-radius: 50%;
    animation: shooting 3s linear infinite;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(19, 193, 255, 0.1);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.98);
    box-shadow: 0 10px 40px rgba(19, 193, 255, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-image {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 0 10px var(--shadow-light));
    animation: logoFloat 3s ease-in-out infinite;
}

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--shadow-light));
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

.nav-menu a:hover {
    color: var(--primary-color);
    background: rgba(19, 193, 255, 0.1);
    transform: translateY(-2px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::after {
    width: 80%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(19, 193, 255, 0.05) 0%, transparent 70%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem; 
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: white;
}

.title-line {
    display: block;
    animation: slideInUp 1s ease-out;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
    font-size: 0.85em; 
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: slideInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: slideInUp 1s ease-out 0.6s both;
}

.btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 30px rgba(19, 193, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(19, 193, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(19, 193, 255, 0.3);
}

.hero-visual {
    position: relative;
    animation: slideInRight 1s ease-out;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: 2px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.products {
    padding: 8rem 0;
    background: var(--darker-bg);
    position: relative;
}

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

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.product-card {
    position: relative;
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 212, 255, 0.1);
    cursor: pointer;
    height: 400px;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(0, 212, 255, 0.2);
    border-color: var(--primary-color);
}

.card-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    opacity: 0;
    transition: all 0.4s ease;
}

.product-card:hover .card-background {
    opacity: 1;
}

.card-content {
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.card-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.product-card:hover .card-icon {
    background: rgba(0, 212, 255, 0.2);
    transform: scale(1.1);
}

.card-icon img {
    width: 50px;
    height: 50px;
    filter: drop-shadow(0 0 10px var(--shadow-light));
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    line-height: 1.6;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.feature-tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.product-card:hover .feature-tag {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--primary-color);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 212, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 3;
}

.product-card:hover .card-overlay {
    opacity: 1;
}

.card-btn {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    transform: translateY(20px);
}

.product-card:hover .card-btn {
    transform: translateY(0);
}

.card-btn:hover {
    background: var(--text-primary);
    transform: scale(1.05);
}

.about {
    padding: 8rem 0;
    background: var(--dark-bg);
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about .section-title {
    margin-bottom: 2rem;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

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

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--gradient-dark);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.about-visual {
    position: relative;
}

.visual-placeholder {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.visual-placeholder:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 80px rgba(0, 212, 255, 0.2);
}

.visual-placeholder img {
    width: 100%;
    height: auto;
    display: block;
}

.contact {
    padding: 8rem 0;
    background: var(--darker-bg);
    text-align: center;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.contact-item {
    background: var(--gradient-dark);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.contact-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.2);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px var(--shadow-light));
}

.contact-text {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.footer {
    background: var(--dark-bg);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    padding: 4rem 0 2rem;
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-logo-image {
    height: 35px;
    width: auto;
    filter: drop-shadow(0 0 8px var(--shadow-light));
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.link-group h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.3rem 0;
    transition: all 0.3s ease;
}

.link-group a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 0 2rem; 
    }

    .hero-title {
        font-size: 3rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem; 
    }

    .hero-container {
        padding: 0 1.5rem; 
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .contact-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .container {
        padding: 0 1rem; 
    }

    .hero-container {
        padding: 0 1rem; 
    }

    .card-content {
        padding: 1.5rem;
    }

    .hero-buttons {
        padding: 0 1rem;
    }
}