:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --primary-color: #7c3aed;
    --primary-hover: #6d28d9;
    --secondary-color: #1e293b;
    --secondary-hover: #334155;
    --accent-color: #3b82f6;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", "Source Han Sans CN", "Microsoft YaHei", "Wenquanyi Micro Hei", "WenQuanYi Zen Hei", "ST Heiti", SimHei, "WenQuanYi Zen Hei Sharp", sans-serif;
    --font-heading: var(--font-sans);
}

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

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

/* Dynamic Background Blobs */
.background-blobs {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -1;
}

.blob {
    position: absolute;
    filter: blur(100px);
    opacity: 0.5;
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124,58,237,0.4) 0%, rgba(15,23,42,0) 70%);
}

.blob-2 {
    bottom: 20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59,130,246,0.4) 0%, rgba(15,23,42,0) 70%);
    animation-delay: -5s;
}

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

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

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header & Navbar */
.navbar {
    padding: 24px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.2s ease;
}

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

.nav-links {
    display: none;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: 32px;
    }
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.nav-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    font-family: var(--font-sans);
    border: none;
}

.btn-large {
    padding: 14px 28px;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.6);
}

.btn-secondary {
    background-color: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

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

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

.btn-text:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 80px 24px;
    align-items: center;
    position: relative;
    z-index: 10;
}

@media (min-width: 992px) {
    .hero {
        grid-template-columns: 1fr 1fr;
        padding: 120px 24px;
    }
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
    animation: slideUp 0.8s ease-out;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
    animation: slideUp 0.8s ease-out 0.2s backwards;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    animation: slideUp 0.8s ease-out 0.4s backwards;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Glassmorphism Card Mockup */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.hero-visual {
    animation: fadeIn 1s ease-out 0.6s backwards;
    perspective: 1000px;
}

.mockup-card {
    padding: 20px;
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.mockup-card:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

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

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

.issue-item {
    display: flex;
    align-items: center;
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    margin-bottom: 12px;
    transition: background 0.3s ease;
}

.issue-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.issue-state {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 16px;
}

.issue-state.pulse {
    background-color: var(--danger);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    animation: pulsing 1.5s infinite;
}

@keyframes pulsing {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.issue-state.resolved { background-color: var(--success); }
.issue-state.in-progress { background-color: var(--warning); }

.issue-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.issue-info strong {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.issue-info span {
    font-size: 1rem;
    font-weight: 500;
}

.issue-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-high { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.badge-critical { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.badge-low { background: rgba(16, 185, 129, 0.1); color: var(--success); }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Features */
.features {
    padding: 80px 24px;
    position: relative;
    z-index: 10;
}

.section-heading {
    text-align: center;
    margin-bottom: 64px;
}

.section-heading h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-heading p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .feature-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    padding: 32px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
}

/* Footer */
footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 0;
    margin-top: 80px;
    position: relative;
    z-index: 10;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}