:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-accent: #059669;
    --max-width: 680px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

.landing-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-sm);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Logo */
.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.headline {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.subheadline {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

/* Pain Points Section */
.pain-points {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Problem Bullets */
.problem-list {
    list-style: none;
    text-align: left;
    margin-bottom: 0;
    padding: var(--spacing-md);
    background: var(--color-bg-alt);
    border-radius: 8px;
}

.problem-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    font-size: 1.0625rem;
}

.problem-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* Form Section */
.form-section {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    margin-bottom: var(--spacing-md);
}

.form-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.form-description {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: var(--spacing-md);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.email-input {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    transition: border-color 0.2s;
}

.email-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.submit-btn {
    width: 100%;
    padding: var(--spacing-sm);
    min-height: 48px;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: var(--color-primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

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

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

/* Download Section */
.download-section {
    margin: var(--spacing-md) 0;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.download-btn::before {
    content: "↓";
}

.next-steps {
    margin-top: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Privacy Note */
.privacy-note {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* Trust Signal */
.trust-signal {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid #e5e7eb;
    text-align: center;
}

.trust-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.founder-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.founder-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.founder-details {
    text-align: left;
}

.founder-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.founder-title {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.founder-linkedin {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--color-primary);
    text-decoration: none;
}

.founder-linkedin:hover {
    text-decoration: underline;
}

/* Bottom CTA */
.bottom-cta {
    margin-top: var(--spacing-xl);
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: 12px;
}

.bottom-cta-text {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.btn-secondary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    background: white;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
}

/* Scorecard Teaser */
.scorecard-teaser {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.scorecard-teaser a {
    color: var(--color-primary);
    text-decoration: underline;
}

.scorecard-teaser a:hover {
    color: var(--color-primary-hover);
}

/* Responsive */
@media (min-width: 480px) {
    .signup-form {
        flex-direction: row;
    }

    .email-input {
        flex: 1;
    }

    .submit-btn {
        width: auto;
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
}

@media (min-width: 640px) {
    .headline {
        font-size: 3rem;
    }

    .landing-container {
        padding: var(--spacing-xl) var(--spacing-md);
    }
}