:root {
    /* Liquid Glass Palette */
    --bg-color: #020205; /* Deep deep dark */
    --bg-translucent: rgba(2, 2, 5, 0.7);
    
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.4);

    /* Accents - Neon / Cyber */
    --accent-primary: #7c3aed;   /* Electric Violet */
    --accent-secondary: #db2777; /* Neon Pink */
    --accent-tertiary: #22d3ee;  /* Cyan */
    
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-surface: rgba(255, 255, 255, 0.03);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    
    --font-sans: 'Outfit', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
    
    --container-width: 1200px;
    --nav-height: 72px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* --- Liquid Background Animation --- */
.liquid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    background: #020205;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: floating 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: -50px;
    right: -100px;
    animation-delay: -5s;
}

.blob-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-tertiary);
    top: 40%;
    left: 40%;
    opacity: 0.4;
    animation-delay: -10s;
}

@keyframes floating {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(20px, 40px) scale(1.05); }
}

.glass-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: rgba(2, 2, 5, 0.3); /* Dim the blobs slightly for text readability */
    backdrop-filter: blur(60px);     /* Strong blur to diffuse blob shapes */
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

.text-gradient {
    background: linear-gradient(135deg, #fff 20%, #bfdbfe 50%, #e879f9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

/* Glass Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0, 0, 0.2, 1);
    text-decoration: none;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-highlight);
    backdrop-filter: blur(10px);
    color: #fff;
    box-shadow: 
        0 4px 20px -2px rgba(0, 0, 0, 0.3),
        inset 0 0 0 1px rgba(255,255,255,0.1),
        inset 0 1px 0 rgba(255,255,255,0.2);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 
        0 8px 30px -4px rgba(124, 58, 237, 0.3),
        inset 0 0 0 1px rgba(255,255,255,0.2),
        inset 0 1px 0 rgba(255,255,255,0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-outline {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    backdrop-filter: blur(4px);
}

.btn-outline:hover {
    border-color: var(--text-tertiary);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.full-width {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(2, 2, 5, 0.6);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #fff, #bbb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-icon {
    font-size: 1.6rem;
    filter: drop-shadow(0 0 8px rgba(255,255,255,0.3));
}

.nav-links {
    display: flex;
    gap: 32px;
    background: rgba(255,255,255,0.03);
    padding: 6px 8px;
    border-radius: 99px;
    border: 1px solid rgba(255,255,255,0.05);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    padding: 6px 16px;
    border-radius: 99px;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-user-profile {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: opacity 0.2s;
    margin-right: 8px;
    padding: 4px 8px;
    border-radius: 99px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.05);
}

.nav-user-profile:hover {
    background: rgba(255,255,255,0.1);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
    margin-right: 4px;
}

.nav-actions .btn-logout {
    padding: 6px 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.mobile-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(2,2,5,0.95);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    padding: 8px 0;
}

.mobile-menu hr {
    border: 0;
    border-top: 1px solid var(--glass-border);
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 120px;
    overflow: visible;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 80px;
}

.hero-text {
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    animation: fadeUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.badge-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-highlight);
    padding: 6px 18px;
    border-radius: 99px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px -5px rgba(0,0,0,0.2);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-tertiary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-tertiary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
    font-weight: 800;
}

.hero p {
    font-size: 1.35rem;
    color: var(--text-secondary);
    max-width: 640px;
    font-weight: 400;
}

.hero-btns {
    display: flex;
    gap: 20px;
    margin-top: 16px;
}

/* Glass Window Effect */
.hero-image {
    width: 100%;
    display: flex;
    justify-content: center;
    perspective: 2000px;
    animation: fadeUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s forwards;
    opacity: 0;
}

.app-window {
    width: 100%;
    max-width: 1100px;
    height: auto; /* Changed from 600px */
    background: rgba(10, 10, 12, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-top-color: var(--glass-highlight);
    border-radius: 20px;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    overflow: hidden;
    position: relative;
    transform: rotateX(5deg);
    transition: transform 0.5s ease;
}

.app-window:hover {
    transform: rotateX(2deg) translateY(-10px);
}

.window-header {
    height: 48px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    padding: 0 20px;
}

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

.window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
}

.window-content {
    /* height: calc(100% - 48px); Removed fixed height */
    position: relative; /* Ensure it contains the image properly */
    display: block; /* Changed from flex to standard block for image container */
    overflow: hidden;
}

.window-content img {
    display: block; /* Removes bottom space for inline images */
    width: 100%;
    height: auto;
}

/* General Section Styles */
section {
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    background: linear-gradient(to bottom, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.15rem;
}

/* Features (Cards) */
.features {
    padding: 120px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--glass-surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 24px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
    border-color: rgba(255,255,255,0.15);
}

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

.icon-box {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--text-primary);
    box-shadow: 0 0 20px inset rgba(255,255,255,0.02);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: #fff;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* Deploy Section */
.deploy {
    padding: 120px 0;
    background: rgba(0,0,0,0.2);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.deploy-wrapper {
    display: grid;
    grid-template-columns: minmax(300px, 0.8fr) 1.2fr;
    gap: 60px;
    align-items: center;
}

.deploy-steps li {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.1rem;
    color: var(--text-secondary);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.deploy-steps i {
    color: var(--accent-tertiary);
    font-size: 1.4rem;
    filter: drop-shadow(0 0 5px var(--accent-tertiary));
}

.deploy-code {
    background: #000;
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    overflow: hidden;
}

.code-header {
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
}

.tab {
    padding: 16px 24px;
    color: var(--text-tertiary);
    transition: all 0.2s;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
}

.tab:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.02);
}

.tab.active {
    color: var(--accent-tertiary);
    background: rgba(34, 211, 238, 0.05); /* Cyan tint */
    border-bottom: 2px solid var(--accent-tertiary);
}

.code-content {
    display: none;
    padding: 24px;
    position: relative;
    min-height: 320px; /* Force minimum height to prevent jitter */
}

.code-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.code-content pre {
    overflow-x: auto;
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #cbd5e1;
    white-space: pre;
}

.copy-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: scale(1.05);
}

/* Pricing */
.pricing {
    padding: 140px 0;
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}



.pricing-card {
    flex: 1;
    min-width: 300px;
    max-width: 450px;
    background: var(--glass-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 48px 40px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card .btn {
    margin-top: auto;
}

.pricing-card.featured {
    background: 
        radial-gradient(circle at top right, rgba(124, 58, 237, 0.12), transparent 60%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border: 1px solid rgba(124, 58, 237, 0.3);
    box-shadow: 
        0 30px 60px -12px rgba(0, 0, 0, 0.6),
        0 0 40px -10px rgba(124, 58, 237, 0.3);
    transform: scale(1.05);
    z-index: 2;
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 33px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.6), rgba(236, 72, 153, 0.4), transparent 60%);
    -webkit-mask: 
       linear-gradient(#fff 0 0) content-box, 
       linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.featured-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, #7c3aed, #db2777);
    color: #fff;
    padding: 6px 20px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 
        0 4px 15px rgba(124, 58, 237, 0.4),
        0 0 0 2px rgba(2, 2, 5, 0.9); /* Sharper separation from card border */
    white-space: nowrap;
    z-index: 10;
}

.price {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
    margin: 24px 0 16px 0;
}

.price span {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-left: 4px;
}

.card-header p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.features-list {
    margin-bottom: 40px; /* Ensure gap before button */
}

.features-list li {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 12px;
}

.features-list li.disabled {
    opacity: 0.4;
    text-decoration: line-through;
}

.features-list li.disabled i {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-tertiary);
}

.features-list i {
    color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.1);
    border-radius: 50%;
    padding: 4px;
    flex-shrink: 0;
}

/* Footer */
footer {
    padding: 80px 0;
    background: rgba(0,0,0,0.3);
    border-top: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: #111;
    width: 90%;
    max-width: 600px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    padding: 32px;
    position: relative;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: rgba(255,255,255,0.2);
    color: var(--text-primary);
}

.modal-header {
    text-align: center;
    margin-bottom: 32px;
}

.modal-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.faq-item {
    border-bottom: 1px solid var(--glass-border);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    padding: 20px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.2s;
}

.faq-question:hover {
    color: var(--accent-tertiary);
}

.faq-question i {
    transition: transform 0.3s;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    height: 0;
    overflow: hidden;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: height 0.3s ease;
}

.faq-item.active .faq-answer {
    height: auto;
    padding-bottom: 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.copyright {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 0.95rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .blob {
        opacity: 0.4; /* Reduce intensity on mobile */
    }

    .deploy-wrapper {
        grid-template-columns: 1fr;
    }

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