:root {
    --primary: #0a192f;
    --primary-light: #112240;
    --accent: #64ffda;
    --accent-dark: #4ecdc4;
    --text: #e6f1ff;
    --text-muted: #8892b0;
    --white: #ffffff;
    --card-bg: rgba(17, 34, 64, 0.7);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--primary);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 5px;
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite linear;
}
@keyframes float {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.3; }
    90% { opacity: 0.3; }
    100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}
.logo span {
    color: var(--accent);
}
.logo i {
    color: var(--accent);
    font-size: 1.3rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}
.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}
.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--accent);
    font-size: 1.5rem;
    cursor: pointer;
}

main {
    flex: 1;
    position: relative;
    z-index: 1;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    background: linear-gradient(135deg, rgba(10,25,47,0.95) 0%, rgba(17,34,64,0.9) 100%),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%2364ffda" opacity="0.3"/></svg>');
    background-size: cover, 50px 50px;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: block;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--white);
}
.hero h1 span {
    color: var(--accent);
}

.hero p {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    border: 2px solid transparent;
}
.btn-primary {
    background: var(--accent);
    color: var(--primary);
}
.btn-primary:hover {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.2);
}
.btn-secondary {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
}
.btn-secondary:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-3px);
}

section {
    padding: 6rem 2rem;
    position: relative;
    z-index: 1;
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}
.section-header h2 span {
    color: var(--accent);
}
.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}
.section-line {
    width: 80px;
    height: 4px;
    background: var(--accent);
    margin: 1.5rem auto 0;
    border-radius: 2px;
}

.about {
    background: var(--primary-light);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.about-text h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}
.about-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}
.credentials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}
.credential-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}
.credential-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.credential-card i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1rem;
}
.credential-card h4 {
    color: var(--white);
    margin-bottom: 0.5rem;
}
.credential-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}
.about-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.stat-box {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}
.stat-box:hover {
    transform: scale(1.05);
    border-color: var(--accent);
}
.stat-box .number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    display: block;
}
.stat-box .label {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.founder {
    background: var(--primary);
}
.founder-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 4rem;
    align-items: center;
}
.founder-image {
    text-align: center;
}
.founder-photo-frame {
    position: relative;
    display: inline-block;
    padding: 12px;
    border: 3px solid var(--accent);
    border-radius: 24px;
    background: rgba(100, 255, 218, 0.05);
}
.founder-photo-frame img {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: 15px;
    display: block;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}
.founder-content h3 {
    font-size: 2.2rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}
.founder-content .title {
    color: var(--accent);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    display: block;
}
.founder-content p {
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}
.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}
.tag {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.products {
    background: var(--primary-light);
}
.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}
.product-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}
.product-card:hover::before {
    transform: scaleX(1);
}
.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(100, 255, 218, 0.3);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.product-card .icon {
    width: 70px;
    height: 70px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}
.product-card .icon i {
    font-size: 2rem;
    color: var(--accent);
}
.product-card h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 1rem;
}
.product-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}
.feature-list {
    list-style: none;
}
.feature-list li {
    color: var(--text-muted);
    padding: 0.4rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}
.feature-list li i {
    color: var(--accent);
    font-size: 0.8rem;
}

.analytics {
    background: var(--primary);
}
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.analytics-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}
.analytics-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}
.analytics-card h4 {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.analytics-card h4 i {
    font-size: 1.2rem;
}
.analytics-card ul {
    list-style: none;
}
.analytics-card li {
    color: var(--text-muted);
    padding: 0.3rem 0;
    font-size: 0.95rem;
    padding-left: 1.2rem;
    position: relative;
}
.analytics-card li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.warranty {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    text-align: center;
}
.warranty-box {
    background: var(--card-bg);
    border-radius: 25px;
    padding: 4rem 3rem;
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid rgba(100, 255, 218, 0.2);
    position: relative;
    overflow: hidden;
}
.warranty-box::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(100,255,218,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.warranty-icon {
    font-size: 4rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}
.warranty-box h3 {
    font-size: 2.2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}
.warranty-box p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}
.warranty-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}
.warranty-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
    font-weight: 500;
}
.warranty-feature i {
    color: var(--accent);
}

.contact {
    background: var(--primary-light);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}
.contact-info h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1rem;
}
.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}
.contact-cards {
    display: grid;
    gap: 1.5rem;
}
.contact-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(100, 255, 218, 0.1);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all 0.3s ease;
}
.contact-card:hover {
    border-color: var(--accent);
    transform: translateX(10px);
}
.contact-card i {
    font-size: 1.5rem;
    color: var(--accent);
    margin-top: 0.2rem;
}
.contact-card h4 {
    color: var(--white);
    margin-bottom: 0.3rem;
}
.contact-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}
.contact-card a {
    color: var(--accent);
    text-decoration: none;
}
.contact-card a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(100, 255, 218, 0.1);
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    color: var(--text);
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 10px;
    background: rgba(10, 25, 47, 0.5);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.1);
}
.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

footer {
    background: var(--primary);
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    padding: 3rem 2rem 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}
.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}
.footer-logo span {
    color: var(--accent);
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}
.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}
.footer-links a:hover {
    color: var(--accent);
}
.footer-bottom {
    color: var(--text-muted);
    font-size: 0.9rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .about-grid,
    .founder-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .founder-image {
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 25, 47, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: start;
        padding-top: 3rem;
        gap: 2rem;
        transition: left 0.3s ease;
    }
    .nav-links.active {
        left: 0;
    }
    .nav-links a {
        font-size: 1.2rem;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero {
        padding: 7rem 1.5rem 3rem;
    }
    section {
        padding: 4rem 1.5rem;
    }
    .credentials {
        grid-template-columns: 1fr;
    }
    .about-visual {
        grid-template-columns: 1fr;
    }
    .product-cards {
        grid-template-columns: 1fr;
    }
    .warranty-box {
        padding: 2.5rem 1.5rem;
    }
    .contact-form {
        padding: 1.5rem;
    }
}