/* ================================
   CSS Variables & Theme
   ================================ */
:root {
    /* Colors */
    --primary-gradient: linear-gradient(135deg, #3ec9a7 0%, #2dd4bf 50%, #06b6d4 100%);
    --secondary-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --dark-bg: #0a0e1a;
    --dark-card: #131824;
    --dark-card-hover: #1a1f2e;
    --purple: #3ec9a7;
    --pink: #2dd4bf;
    --cyan: #06b6d4;
    --green: #10b981;
    --yellow: #fbbf24;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px 0;
    --card-padding: 2rem;

    /* Effects */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 10px 40px rgba(62, 201, 167, 0.15);
    --glow: 0 0 20px rgba(62, 201, 167, 0.5);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: var(--section-padding);
    position: relative;
}

/* ================================
   Typography
   ================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* ================================
   Navigation
   ================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(62, 201, 167, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    transition: var(--transition);
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: var(--glow);
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link:hover {
    color: var(--text-primary);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ================================
   Buttons
   ================================ */
.cta-button,
.primary-btn,
.secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.cta-button,
.primary-btn {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow);
}

.cta-button:hover,
.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(62, 201, 167, 0.3);
}

.primary-btn.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.secondary-btn {
    background: rgba(62, 201, 167, 0.1);
    color: var(--purple);
    border: 2px solid var(--purple);
}

.secondary-btn:hover {
    background: var(--purple);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ================================
   Hero Section
   ================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#particleCanvas {
    width: 100%;
    height: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

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

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

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

.floating-coin {
    position: absolute;
    top: -50px;
    right: 50px;
    width: 150px;
    height: 150px;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(62, 201, 167, 0.5));
    display: none;
}

.floating-coin img {
    width: 100%;
    height: 100%;
    animation: rotate3d 10s linear infinite;
}

.terminal-preview {
    background: var(--dark-card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(62, 201, 167, 0.2);
}

.terminal-header {
    background: rgba(62, 201, 167, 0.1);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(62, 201, 167, 0.2);
}

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

.terminal-dot.red {
    background: #ef4444;
}

.terminal-dot.yellow {
    background: #fbbf24;
}

.terminal-dot.green {
    background: #10b981;
}

.terminal-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.terminal-line {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.prompt {
    color: var(--cyan);
}

.command {
    color: var(--purple);
}

.output {
    color: var(--text-secondary);
}

.success {
    color: var(--green);
}

.highlight {
    color: var(--text-primary);
    font-weight: 600;
}

.highlight.green {
    color: var(--green);
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--cyan);
    animation: blink 1s infinite;
}

/* ================================
   About Section
   ================================ */
.about {
    background: linear-gradient(135deg, rgba(62, 201, 167, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    transition: var(--transition);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(62, 201, 167, 0.2), rgba(6, 182, 212, 0.2));
    opacity: 0;
    transition: var(--transition);
}

.about-image:hover .image-overlay {
    opacity: 1;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-text h3 {
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.feature-list {
    display: grid;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
    color: var(--purple);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-content h4 {
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
}

.feature-content p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.938rem;
}

/* ================================
   Features Section
   ================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--dark-card);
    padding: var(--card-padding);
    border-radius: 20px;
    border: 1px solid rgba(62, 201, 167, 0.1);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.feature-card:hover::before {
    opacity: 0.1;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow);
    border-color: var(--purple);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    color: var(--purple);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    width: 60px;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ================================
   How It Works Section
   ================================ */
.how-it-works {
    background: var(--dark-card);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 80px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, var(--purple), var(--cyan));
    z-index: 0;
    display: none;
}

.step {
    position: relative;
    z-index: 1;
}

.step-number {
    font-size: 4rem;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
    margin-bottom: 1rem;
}

.step-content h3 {
    margin-bottom: 1rem;
}

.step-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.step-visual {
    display: flex;
    justify-content: center;
}

.icon-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(62, 201, 167, 0.2), rgba(6, 182, 212, 0.2));
    border: 2px solid var(--purple);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--purple);
    transition: var(--transition);
}

.step:hover .icon-circle {
    transform: scale(1.1) rotate(360deg);
    box-shadow: var(--glow);
}

/* ================================
   Stats Section
   ================================ */
.stats {
    background: linear-gradient(135deg, rgba(62, 201, 167, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

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

.stat-card {
    background: var(--dark-card);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(62, 201, 167, 0.1);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: var(--purple);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--purple);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.stat-trend {
    font-size: 0.875rem;
    font-weight: 600;
}

.stat-trend.positive {
    color: var(--green);
}

/* ================================
   Community Section
   ================================ */
.community-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.community-card {
    background: var(--dark-card);
    padding: var(--card-padding);
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(62, 201, 167, 0.1);
    transition: var(--transition);
}

.community-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: var(--purple);
}

.community-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.community-icon.telegram {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.2));
    color: var(--cyan);
}

.community-icon.youtube {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(236, 72, 153, 0.2));
    color: #ef4444;
}

.community-icon.email {
    background: linear-gradient(135deg, rgba(62, 201, 167, 0.2), rgba(45, 212, 191, 0.2));
    color: var(--purple);
}

.community-card:hover .community-icon {
    transform: scale(1.1) rotate(360deg);
}

.community-card h3 {
    margin-bottom: 1rem;
}

.community-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.community-link {
    color: var(--purple);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.community-link:hover {
    color: var(--cyan);
}

.cta-section {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--dark-card);
    border-radius: 20px;
    border: 1px solid rgba(62, 201, 167, 0.2);
}

.cta-section h3 {
    margin-bottom: 1rem;
}

.cta-section p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

/* ================================
   Footer
   ================================ */
.footer {
    background: var(--dark-card);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(62, 201, 167, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.footer-logo span {
    font-weight: 700;
    font-size: 1.25rem;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(62, 201, 167, 0.1);
    color: var(--purple);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--purple);
    color: var(--text-primary);
    transform: translateY(-5px);
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

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

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(62, 201, 167, 0.1);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ================================
   Back to Top Button
   ================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ================================
   Animations
   ================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes rotate3d {
    from {
        transform: rotateY(0deg);
    }

    to {
        transform: rotateY(360deg);
    }
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 1024px) {

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

    .hero-visual {
        order: -1;
    }

    .steps-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .steps-container::before {
        display: none;
    }

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

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        flex-direction: column;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(10px);
        padding: 2rem;
        transition: var(--transition);
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .floating-coin {
        width: 100px;
        height: 100px;
        top: -30px;
        right: 20px;
    }

    .hero-visual {
        margin-top: 2rem;
    }

    .features-grid,
    .community-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .terminal-preview {
        font-size: 0.75rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 1rem;
        right: 1rem;
    }
}