:root {
    --bg-dark: #050505;
    --bg-section: #0a0a0a;
    --glass: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);

    --accent: #00ff6a;
    --accent-glow: rgba(0, 255, 106, 0.4);
    --accent-dark: #00cc55;

    --text-main: #ffffff;
    --text-dim: #888888;
    --text-darker: #555555;

    --font-heading: 'Segoe UI', sans-serif;
    --font-ui: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-ui);
    color: var(--text-main);
    background: var(--bg-dark);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.nav-brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-main);
}

.logo-version {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 40px 60px;
    background: linear-gradient(135deg, #050505 0%, #0a1a0a 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.2;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 30px;
    clip-path: polygon(8% 0, 100% 0, 100% 70%, 92% 100%, 0 100%, 0 30%);
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
}

.title-main {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: 6px;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    font-size: 1.5rem;
    color: var(--text-dim);
    font-weight: 300;
    letter-spacing: 3px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid var(--accent);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-dark);
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
}

.btn-secondary:hover {
    background: var(--accent);
    color: #000;
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-download {
    background: var(--accent);
    color: #000;
    padding: 18px 40px;
    font-size: 1rem;
}

.btn-download:hover {
    box-shadow: 0 0 40px var(--accent-glow);
    transform: translateY(-3px);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.8rem;
}

.btn-icon {
    font-size: 1.2rem;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.visual-card {
    background: var(--bg-section);
    border: 1px solid var(--accent);
    box-shadow: 0 0 40px var(--accent-glow);
    clip-path: polygon(5% 0, 100% 0, 100% 95%, 95% 100%, 0 100%, 0 5%);
    padding: 0;
    overflow: hidden;
}

.card-header {
    background: rgba(0, 255, 106, 0.1);
    border-bottom: 1px solid var(--accent);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-dots {
    display: flex;
    gap: 8px;
}

.card-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.5;
}

.card-dots span:first-child {
    opacity: 1;
}

.card-title {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.card-content {
    padding: 30px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
}

.code-line {
    padding: 8px 0;
    color: var(--text-main);
}

.code-comment {
    color: var(--text-dim);
}

.code-keyword {
    color: #ff79c6;
}

.code-class {
    color: #8be9fd;
}

.code-method {
    color: #50fa7b;
}

.code-string {
    color: #f1fa8c;
}

/* Sections */
section {
    padding: 100px 40px;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 5px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* Features Section */
.features-section {
    background: var(--bg-section);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 40px;
    transition: all 0.3s;
    clip-path: polygon(8% 0, 100% 0, 100% 92%, 92% 100%, 0 100%, 0 8%);
}

.feature-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 15px;
    color: var(--accent);
}

.feature-description {
    color: var(--text-dim);
    line-height: 1.8;
}

/* Download Section */
.download-section {
    background: var(--bg-dark);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.download-card {
    background: var(--bg-section);
    border: 1px solid var(--border);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    transition: all 0.3s;
}

.download-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 30px var(--accent-glow);
}

.primary-download {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.download-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.download-platform {
    display: flex;
    align-items: center;
    gap: 15px;
}

.platform-icon {
    font-size: 2.5rem;
}

.platform-name {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.download-badge {
    background: var(--accent);
    color: #000;
    padding: 6px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.download-info {
    flex-grow: 1;
}

.download-version {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.download-size {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.download-description {
    color: var(--text-dim);
    line-height: 1.8;
}

.download-requirements {
    margin-top: 20px;
}

.requirement-title {
    color: var(--text-main);
    font-weight: 600;
    margin-bottom: 10px;
}

.requirement-list {
    list-style: none;
    color: var(--text-dim);
}

.requirement-list li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.requirement-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Installation Steps */
.installation-steps {
    background: var(--bg-section);
    border: 1px solid var(--border);
    padding: 50px;
}

.steps-title {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: 40px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 50px;
    height: 50px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
}

.step-content {
    flex-grow: 1;
}

.step-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.step-desc {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* About Section */
.about-section {
    background: var(--bg-section);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 40px;
}

.about-title {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: var(--accent);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.tech-tag:hover {
    background: var(--accent);
    color: #000;
}

.features-list {
    list-style: none;
    color: var(--text-dim);
}

.features-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.features-list li:last-child {
    border-bottom: none;
}

.about-text {
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 20px;
}

.support-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.support-link {
    color: var(--accent);
    text-decoration: none;
    padding: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
    display: block;
}

.support-link:hover {
    border-color: var(--accent);
    background: rgba(0, 255, 106, 0.05);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    padding: 60px 40px 40px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 15px;
}

.footer-description {
    color: var(--text-dim);
    max-width: 400px;
}

.footer-links {
    display: flex;
    gap: 30px;
    margin-bottom: 15px;
}

.footer-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--accent);
}

.footer-copyright {
    color: var(--text-darker);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1500px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
}

@media (max-width: 1200px) {
    .nav-container {
        padding: 0 30px;
    }

    .hero-section {
        padding: 100px 30px 60px;
    }

    .section-container {
        padding: 0 20px;
    }
}

@media (max-width: 1024px) {
    .hero-description {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

    .title-sub {
        font-size: 1.3rem;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .download-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 60px;
    }

    .nav-container {
        padding: 0 20px;
        flex-direction: column;
        align-items: flex-start;
    }

    .logo-text {
        font-size: 1.2rem;
        letter-spacing: 2px;
    }

    .logo-version {
        font-size: 0.8rem;
    }

    .nav-links {
        gap: 15px;
    }

    .nav-link {
        font-size: 0.75rem;
        letter-spacing: 0.5px;
    }

    .hero-section {
        padding: 80px 20px 40px;
        min-height: auto;
    }

    .hero-badge {
        font-size: 0.65rem;
        padding: 6px 12px;
        margin-bottom: 20px;
    }

    .title-main {
        font-size: 2.2rem;
        letter-spacing: 3px;
    }

    .title-sub {
        font-size: 1rem;
        letter-spacing: 2px;
    }

    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .hero-buttons {
        gap: 15px;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.8rem;
        letter-spacing: 1px;
    }

    .btn-download {
        padding: 15px 30px;
        font-size: 0.9rem;
    }

    .card-content {
        padding: 20px;
        font-size: 0.85rem;
    }

    section {
        padding: 60px 20px;
    }

    .section-header {
        margin-bottom: 50px;
    }

    .section-title {
        font-size: 2rem;
        letter-spacing: 3px;
        margin-bottom: 15px;
    }

    .section-subtitle {
        font-size: 0.95rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 30px;
    }

    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }

    .feature-title {
        font-size: 1.1rem;
    }

    .feature-description {
        font-size: 0.9rem;
    }

    .download-card {
        padding: 30px;
    }

    .platform-icon {
        font-size: 2rem;
    }

    .platform-name {
        font-size: 1.4rem;
    }

    .download-badge {
        font-size: 0.65rem;
        padding: 5px 10px;
    }

    .installation-steps {
        padding: 30px 20px;
    }

    .steps-title {
        font-size: 1.4rem;
        margin-bottom: 30px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .about-card {
        padding: 30px;
    }

    .about-title {
        font-size: 1.3rem;
    }

    .tech-tag {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    .footer {
        padding: 40px 20px 30px;
    }

    .footer-links {
        gap: 20px;
        flex-wrap: wrap;
    }

    .footer-link {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        height: 55px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .logo-text {
        font-size: 1rem;
    }

    .logo-version {
        font-size: 0.7rem;
    }

    .nav-links {
        gap: 10px;
    }

    .nav-link {
        font-size: 0.65rem;
        padding: 5px;
    }

    .nav-link::after {
        display: none;
    }

    .hero-section {
        padding: 70px 15px 30px;
    }

    .hero-badge {
        font-size: 0.6rem;
        padding: 5px 10px;
    }

    .title-main {
        font-size: 1.8rem;
        letter-spacing: 2px;
    }

    .title-sub {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }

    .hero-description {
        font-size: 0.85rem;
        line-height: 1.6;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 12px 20px;
        font-size: 0.75rem;
    }

    .btn-icon {
        font-size: 1rem;
    }

    .btn-download {
        padding: 14px 25px;
        font-size: 0.85rem;
    }

    .visual-card {
        overflow-x: auto;
    }

    .card-header {
        padding: 12px 15px;
    }

    .card-title {
        font-size: 0.75rem;
    }

    .card-content {
        padding: 15px;
        font-size: 0.75rem;
    }

    .code-line {
        padding: 5px 0;
        white-space: nowrap;
    }

    section {
        padding: 40px 15px;
    }

    .section-header {
        margin-bottom: 35px;
    }

    .section-title {
        font-size: 1.6rem;
        letter-spacing: 2px;
    }

    .section-subtitle {
        font-size: 0.85rem;
    }

    .feature-card {
        padding: 25px;
    }

    .feature-icon {
        font-size: 2rem;
    }

    .feature-title {
        font-size: 1rem;
    }

    .feature-description {
        font-size: 0.85rem;
    }

    .download-card {
        padding: 25px;
    }

    .platform-icon {
        font-size: 1.8rem;
    }

    .platform-name {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }

    .download-version {
        font-size: 1rem;
    }

    .download-size {
        font-size: 0.85rem;
    }

    .requirement-list li {
        font-size: 0.85rem;
    }

    .installation-steps {
        padding: 25px 15px;
    }

    .steps-title {
        font-size: 1.2rem;
    }

    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .step-number {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .step-title {
        font-size: 1rem;
    }

    .step-desc {
        font-size: 0.85rem;
    }

    .about-card {
        padding: 25px;
    }

    .about-title {
        font-size: 1.2rem;
    }

    .tech-tag {
        padding: 5px 10px;
        font-size: 0.7rem;
    }

    .features-list li {
        font-size: 0.85rem;
        padding: 6px 0;
    }

    .about-text {
        font-size: 0.9rem;
    }

    .support-link {
        padding: 10px;
        font-size: 0.85rem;
    }

    .footer {
        padding: 30px 15px 25px;
    }

    .footer-brand {
        margin-bottom: 10px;
    }

    .footer-description {
        font-size: 0.85rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 10px;
    }

    .footer-copyright {
        font-size: 0.75rem;
        margin-top: 10px;
    }
}

/* Very small screens */
@media (max-width: 360px) {
    .logo-text {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }

    .nav-link {
        font-size: 0.6rem;
    }

    .title-main {
        font-size: 1.5rem;
    }

    .title-sub {
        font-size: 0.8rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .feature-card,
    .download-card,
    .about-card {
        padding: 20px;
    }
}