/* ===== CSS Variables ===== */
:root {
    --primary: #48B69A;
    --primary-dark: #2D5A50;
    --primary-light: #AEE6D9;
    --secondary: #FF7E67;
    /* Vibrant Coral Accent */
    --accent: #FFD166;
    /* Sunny Yellow/Gold accent */
    --bg-dark: #0D1B18;
    --bg-darker: #050A09;
    --bg-card: #152A26;
    --bg-card-hover: #1D3A34;
    --text: #F0F9F7;
    --text-muted: #8EAAA4;
    --text-dimmed: #5F7A74;
    --border: #24423C;
    --success: #10B981;
    --warning: #F59E0B;
    --gradient-1: linear-gradient(135deg, #48B69A 0%, #FF7E67 50%, #FFD166 100%);
    --gradient-2: linear-gradient(135deg, #48B69A 0%, #FF7E67 100%);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 60px rgba(72, 182, 154, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* ===== Utilities ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-img {
    height: 32px;
    width: auto;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-github {
    display: flex;
    align-items: center;
}

.lang-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.lang-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

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

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-darker);
    border-bottom: 1px solid var(--border);
    padding: 20px;
    flex-direction: column;
    gap: 16px;
    z-index: 999;
}

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

.mobile-menu a {
    color: var(--text-muted);
    font-weight: 500;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    z-index: 10;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.decoration {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-1);
    filter: blur(80px);
    opacity: 0.15;
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    left: -100px;
}

.circle-2 {
    width: 500px;
    height: 500px;
    bottom: -150px;
    right: -100px;
    background: var(--secondary);
    opacity: 0.08;
}

.circle-3 {
    width: 300px;
    height: 300px;
    top: 20%;
    right: 30%;
    background: var(--accent);
    opacity: 0.05;
}

.hero-content {
    max-width: 100%;
}

.hero-logo-container {
    margin-bottom: 32px;
}

.hero-logo-img {
    max-width: 180px;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(72, 182, 154, 0.4));
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {

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

    50% {
        transform: translateY(-10px);
    }
}

.hero-badge {
    display: inline-block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title span {
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-2);
    color: white;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.hero-code {
    position: relative;
    width: 100%;
    transform: none;
    right: auto;
    top: auto;
}

.code-window {
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    min-height: 420px;
    display: flex;
    flex-direction: column;
}

.code-header {
    background: var(--bg-card);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

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

.code-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dots span:nth-child(1) {
    background: #FF5F57;
}

.code-dots span:nth-child(2) {
    background: #FFBD2E;
}

.code-dots span:nth-child(3) {
    background: #28CA41;
}

.footer-copyright {
    color: var(--text-dimmed);
    font-size: 0.875rem;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    margin-bottom: 12px;
}

.code-title {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.code-body {
    padding: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.8;
}

.code-prompt {
    color: var(--accent);
}

.code-output {
    color: var(--primary-light);
}

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

.code-info {
    color: var(--warning);
}

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

@media (max-width: 1100px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }

    .hero-logo-img {
        max-width: 150px;
        margin: 0 auto;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta,
    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Features Section ===== */
.features {
    padding: 120px 24px;
    background: var(--bg-darker);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== Skills Section ===== */
.skills {
    padding: 120px 24px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.skill-category h4 {
    font-size: 1rem;
    color: var(--primary-light);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 12px 16px;
    border-radius: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s;
}

.skill-item:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

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

/* ===== Modal ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    max-width: 500px;
    width: 100%;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

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

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text);
}

.modal-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary-light);
}

.modal-description {
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.7;
}

.modal-capabilities h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dimmed);
    margin-bottom: 12px;
}

.modal-capabilities ul {
    list-style: none;
}

.modal-capabilities li {
    padding: 8px 0;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-capabilities li::before {
    content: "✓";
    color: var(--success);
    font-weight: bold;
}

.modal-footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.modal-tag {
    display: inline-block;
    background: var(--gradient-2);
    color: white;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
}

.skill-item {
    cursor: pointer;
}

/* ===== Install Section ===== */
.install {
    padding: 120px 24px;
    background: var(--bg-darker);
}

.install-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.install-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
}

.install-card h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.code-block {
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}

.code-block code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--accent);
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

.copy-btn:hover {
    color: var(--primary);
}

.cli-commands h3 {
    text-align: center;
    margin-bottom: 32px;
}

.commands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.command {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.command code {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary-light);
    font-size: 0.875rem;
}

.command span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

@media (max-width: 480px) {
    .install-options {
        grid-template-columns: 1fr;
    }
}

/* ===== Support Section ===== */
.support {
    padding: 120px 24px;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

.support-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.support h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.support p {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 40px;
}

.support-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.support-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.support-btn.coffee {
    background: #FFDD00;
    color: #000;
}

.support-btn.coffee:hover {
    background: #fff;
    box-shadow: 0 8px 30px rgba(255, 221, 0, 0.3);
}

.support-btn.donate {
    background: #00457C;
    color: white;
}

.support-btn.donate:hover {
    background: #003366;
    box-shadow: 0 8px 30px rgba(0, 69, 124, 0.3);
}

.support-btn.sponsor {
    background: var(--secondary);
    color: white;
}

.support-btn.sponsor:hover {
    background: #DB2777;
    box-shadow: 0 8px 30px rgba(236, 72, 153, 0.3);
}

/* QR Code Donate */
.qr-donate {
    margin: 40px auto;
    text-align: center;
}

.qr-image {
    max-width: 280px;
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border);
    transition: transform 0.3s;
}

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

.qr-caption {
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Credits Section ===== */
.credits {
    padding: 80px 24px;
    border-top: 1px solid var(--border);
}

.credits h3 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-muted);
}

.credits-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
}

.credit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.2s;
}

.credit-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

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

.credit-name {
    font-weight: 600;
}

.credit-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Footer ===== */
.footer {
    padding: 60px 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-darker);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.footer p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 24px;
}

.footer-links a {
    color: var(--text-muted);
    transition: color 0.2s;
}

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

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-dimmed);
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.hero-content>* {
    animation: fadeIn 0.6s ease-out forwards;
    opacity: 0;
}

.hero-badge {
    animation-delay: 0.1s;
}

.hero-title {
    animation-delay: 0.2s;
}

.hero-subtitle {
    animation-delay: 0.3s;
}

.hero-cta {
    animation-delay: 0.4s;
}

.hero-stats {
    animation-delay: 0.5s;
}

.hero-code {
    animation: fadeIn 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

/* ===== Video Showcase ===== */
.video-showcase {
    padding: 100px 24px;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.video-showcase::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.video-showcase-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 40px;
    align-items: center;
}

.video-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 32px;
    padding: 24px;
    backdrop-filter: blur(20px);
    transition: all 0.3s;
    box-shadow: var(--shadow-lg);
}

.video-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.video-card video {
    width: 100%;
    border-radius: 20px;
    display: block;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.video-card-label {
    margin-bottom: 16px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.video-card-label::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    display: inline-block;
}

@media (max-width: 968px) {
    .video-showcase-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}