:root {
    /* Premium Dark Theme variables optimized for meta traffic flow */
    --bg-base: #0a0a0c;
    --bg-surface: #111114;
    --bg-surface-elevated: #1a1a1e;
    --border-color: #27272a;
    --border-highlight: #3f3f46;

    --primary: #ffffff;
    --secondary: #a1a1aa;
    --accent: #2563eb;
    /* Trustworthy, performance-focused blue */
    --accent-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.2);
    --success: #10b981;
    --danger: #ef4444;

    --font-heading: 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    --transition: all 0.2s ease;
    --container-max: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    color: var(--primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Background Effect */
.glow-bg {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-sm {
    max-width: 680px;
}

.section {
    padding: 6rem 0;
}

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

.mt-4 {
    margin-top: 1.5rem;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--secondary);
    margin-bottom: 3rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    font-family: inherit;
    gap: 0.5rem;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

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

.btn-primary {
    background-color: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--border-highlight);
    background-color: rgba(255, 255, 255, 0.03);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
    border-radius: 10px;
}

.btn-block {
    width: 100%;
}

.btn-flex {
    flex: 1;
}

.glow-btn {
    box-shadow: 0 0 20px var(--accent-glow);
}

.glow-btn:hover {
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.4);
}

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

/* Navbar */
.navbar {
    padding: 1.25rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(10, 10, 12, 0.8);
}

.nav-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -1px;
    display: block;
}

.logo .dot {
    color: var(--accent);
}

/* Hero Section */
.hero-section {
    padding: 10rem 0 6rem;
    text-align: center;
}

.hero-container {
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    color: var(--secondary);
}

.hero-section .headline {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(to bottom, #ffffff, #a1a1aa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-section .subheadline {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--secondary);
    margin: 0 auto 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.micro-copy {
    font-size: 0.85rem;
    color: var(--secondary);
    opacity: 0.8;
}

/* Pain Section */
.pain-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.pain-content {
    max-width: 700px;
    margin: 0 auto;
}

.pain-list {
    list-style: none;
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pain-list li {
    font-size: 1.15rem;
    color: #e4e4e7;
    padding-left: 2rem;
    position: relative;
}

.pain-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    /* Changed to accent color for general traffic */
    border-radius: 50%;
}

.closing-line {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.closing-line p {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary);
}

/* Formats Section */
.formats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.format-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 16px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.format-card:hover {
    border-color: var(--border-highlight);
    background: var(--bg-surface-elevated);
    transform: translateY(-2px);
}

.format-icon {
    width: 48px;
    height: 48px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.format-icon svg {
    width: 24px;
    height: 24px;
}

.format-content {
    flex: 1;
}

.format-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0px;
}

.formats-footer {
    text-align: center;
    padding: 1.5rem;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 12px;
    color: #93c5fd;
    font-weight: 600;
}

/* Qualification Section */
.qualification-section {
    background: var(--bg-surface);
}

.qual-box {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.qual-list {
    list-style: none;
    margin: 2.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.qual-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.15rem;
    font-weight: 500;
}

.check-icon {
    width: 24px;
    height: 24px;
    color: var(--success);
    flex-shrink: 0;
}

.qual-closing {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--secondary);
    font-size: 0.95rem;
}

/* Form Section */
.form-section {
    padding: 6rem 0 8rem;
}

.form-container {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-header .section-title {
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-copy {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--secondary);
    text-align: center;
}

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

    .section {
        padding: 4rem 0;
    }

    .hero-section {
        padding: 8rem 0 4rem;
    }

    .nav-content {
        padding: 0 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .qual-box {
        padding: 2rem 1.5rem;
    }

    .form-container {
        padding: 2rem 1.5rem;
    }

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

    .pain-list li {
        font-size: 1.05rem;
    }

    .qual-list li {
        font-size: 1.05rem;
    }
}