:root {
    --bg-color: #050505;
    --bg-color-alpha: rgba(5, 5, 5, 0.7);
    --text-color: #e0e0e0;
    --text-muted: #888888;
    --primary-color: #00f0ff;
    --secondary-color: #7a00ff;
    --accent-color: #ff0055;
    --card-bg: rgba(20, 20, 20, 0.6);
    --card-border: rgba(255, 255, 255, 0.05);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', "Courier New", Courier, monospace;
}

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

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

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: drift 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.sphere-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: var(--secondary-color);
}

.sphere-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: var(--primary-color);
    animation-delay: -5s;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10%, 10%) scale(1.1); }
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(5, 5, 5, 0.85);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04),
                0 4px 24px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, #888);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

/* Buttons */
.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.btn-glass span {
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.btn-glass span.active {
    opacity: 1;
    color: var(--primary-color);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #2a2a2a, #111);
    border: 1px solid var(--card-border);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: all 0.5s ease;
}

.btn-primary:hover {
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
    transform: translateY(-2px);
}

.btn-primary:hover::before {
    left: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 7rem;
    padding-bottom: 3rem;
    text-align: center;
    width: 100%;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-top: 4rem;
    margin-bottom: 2rem;
    background: linear-gradient(180deg, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-inline: auto;
}

/* Hero Image */
.hero-image-wrapper {
    margin: 4rem auto 3rem;
    width: 90vw;
    max-width: 1600px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--card-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 240, 255, 0.1);
    position: relative;
    z-index: 10;
}

.hero-image-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.hero-image-wrapper:hover .hero-image {
    transform: scale(1.02);
}

/* Features & Product Features */
.features, .product-features {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    font-weight: 700;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(122, 0, 255, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(122, 0, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(122, 0, 255, 0.1);
}

.feature-card:hover::before {
    opacity: 1;
}

.icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #fff;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

/* Terminal */
.code-section {
    padding: 0;
}

.code-terminal {
    background: #0a0a0a;
    border: 1px solid #222;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
    max-width: 800px;
    margin: 0 auto;
}

.terminal-header {
    background: #151515;
    padding: 0.8rem 1rem;
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid #222;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    overflow-x: auto;
}

.terminal-body code {
    display: block;
    line-height: 1.5;
}

.terminal-body .cmd { color: #e0e0e0; display: block; margin-bottom: 4px; }
.terminal-body .cmd::before { content: ''; color: #00f0ff; margin-right: 0px; }
.terminal-body .comment { color: #6b7280; display: block; margin-top: 10px; margin-bottom: 4px; }

/* Footer */
.footer {
    border-top: 1px solid var(--card-border);
    padding: 3rem 0;
    background: rgba(0, 0, 0, 0.5);
    text-align: center;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: color 0.3s ease;
    word-break: break-word;
}

.footer-links a:hover {
    color: #fff;
    text-shadow: 0 0 10px var(--primary-color);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Testimonials Carousel */
.testimonials {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-color) 0%, #0a0a0a 100%);
    border-top: 1px solid var(--card-border);
}

.carousel-viewport {
    overflow: hidden;
    position: relative;
    /* fade edges */
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.carousel-viewport:hover .carousel-track {
    animation-play-state: paused;
}

@keyframes marquee-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.carousel-track {
    display: flex;
    gap: 2rem;
    width: max-content;
    animation: marquee-scroll 28s linear infinite;
    will-change: transform;
}

.testimonial-card {
    flex: 0 0 540px;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    position: relative;
    backdrop-filter: blur(10px);
    transition: border-color 0.3s ease;
}

.testimonial-card:hover {
    border-color: rgba(0, 240, 255, 0.15);
}

.testimonial-content {
    font-size: 1rem;
    color: #e0e0e0;
    margin-bottom: 2rem;
    font-style: italic;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.5);
    flex-shrink: 0;
}

.author-info h4 {
    font-size: 0.95rem;
    color: #fff;
    margin-bottom: 0.2rem;
}

.author-info span {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* Product Features (distinct layout) */
.pf-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.pf-card {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.pf-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.pf-card:hover {
    border-color: rgba(0, 240, 255, 0.2);
    transform: translateX(4px);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.4), 0 0 15px rgba(0, 240, 255, 0.08);
}

.pf-card:hover::before {
    opacity: 1;
}

.pf-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(122, 0, 255, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    border: 1px solid rgba(0, 240, 255, 0.15);
}

.pf-text h3 {
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.pf-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Expanded Footer */
.footer-expanded {
    background: #000;
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--card-border);
}

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

.footer-brand .footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand p {
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-group h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

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

.footer-group ul li {
    margin-bottom: 0.8rem;
}

.footer-group ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-group ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .features, .product-features, .code-section, .testimonials {
        padding: 4rem 0;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .pf-grid {
        grid-template-columns: 1fr;
    }
    .testimonial-card {
        padding: 2rem 1.5rem;
    }
    .testimonial-content {
        font-size: 1rem;
    }
}