/* php-next WebShield™ - Marketing Site Styles */

:root {
    --bg-primary: #0b1020;
    --bg-secondary: #0f1625;
    --bg-card: #141b2d;
    --bg-card-hover: #1a2338;
    --text-primary: #f5f5f5;
    --text-secondary: #d7dde5;
    --text-muted: #8b95a8;
    --accent-lime: #7CFC00;
    --accent-blue: #00d4ff;
    --accent-blue-dark: #0099cc;
    --border-color: rgba(124, 252, 0, 0.2);
    --border-hover: rgba(124, 252, 0, 0.4);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.7);
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navigation */
nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-lime);
    text-decoration: none;
    letter-spacing: 0.05em;
}

nav .logo::after {
    content: "™";
    font-size: 0.8em;
    vertical-align: super;
}

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

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

nav a:hover {
    color: var(--accent-lime);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
    background: radial-gradient(circle at top, var(--bg-secondary), var(--bg-primary));
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-lime), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero .cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-lime);
    color: var(--bg-primary);
    border-color: var(--accent-lime);
}

.btn-primary:hover {
    background: #6ce600;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}

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

.card h3 {
    color: var(--accent-lime);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.card h4 {
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

/* Section */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--accent-lime);
}

/* Feature List */
.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-lime);
    font-weight: bold;
}

/* Code Block */
.code-block {
    background: #000;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
    font-family: "Courier New", monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 1.5rem 0;
}

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

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

.code-block .keyword {
    color: var(--accent-blue);
}

.code-block .string {
    color: #ff6b9d;
}

/* Diagram */
.diagram {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.diagram-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.diagram-flow .step {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    min-width: 120px;
}

.diagram-flow .arrow {
    color: var(--accent-lime);
    font-size: 1.5rem;
}

.diagram-flow .step.highlight {
    background: rgba(124, 252, 0, 0.1);
    border-color: var(--accent-lime);
    color: var(--accent-lime);
}

/* Grid Cards */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.grid-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.grid-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.grid-card h3 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

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

/* Contact Box */
.contact-box {
    background: var(--bg-card);
    border: 2px solid var(--accent-blue);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    margin: 3rem 0;
}

.contact-box h3 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.contact-box a {
    color: var(--accent-lime);
    text-decoration: none;
    font-weight: 600;
}

.contact-box a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.1rem;
    }
    
    nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .two-column {
        grid-template-columns: 1fr;
    }
    
    .diagram-flow {
        flex-direction: column;
    }
    
    .diagram-flow .arrow {
        transform: rotate(90deg);
    }
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(124, 252, 0, 0.1);
    color: var(--accent-lime);
    border: 1px solid var(--accent-lime);
}

.badge-enterprise {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}