/* ============================================
   Nailed Landing Page Styles
   ============================================ */

:root {
    --color-primary: #0D9488;
    --color-primary-dark: #0F766E;
    --color-primary-light: #14B8A6;
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F9FAFB;
    --color-border: #E5E7EB;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --max-width: 1100px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    --radius: 8px;
    --radius-lg: 12px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

h1, h2, h3 {
    margin: 0 0 var(--spacing-sm);
    line-height: 1.2;
    font-weight: 600;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); }
h3 { font-size: 1.125rem; }

p {
    margin: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* Layout */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
}

.link {
    font-weight: 500;
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text);
}

.logo:hover {
    text-decoration: none;
}

.logo img {
    border-radius: 6px;
}

/* Hero */
.hero {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.hero-icon {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    max-width: 560px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.25rem;
    color: var(--color-text-light);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.price {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* How It Works */
.how-it-works {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-alt);
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.step {
    text-align: center;
    padding: var(--spacing-md);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: 50%;
}

.step h3 {
    margin-bottom: var(--spacing-xs);
}

.step p {
    color: var(--color-text-light);
}

/* Features */
.features {
    padding: var(--spacing-2xl) 0;
}

.features h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.feature {
    text-align: center;
    padding: var(--spacing-md);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature h3 {
    margin-bottom: var(--spacing-xs);
}

.feature p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* Privacy Highlight */
.privacy-highlight {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-alt);
    text-align: center;
}

.privacy-highlight h2 {
    margin-bottom: var(--spacing-md);
}

.privacy-highlight p {
    max-width: 680px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-text-light);
}

/* CTA */
.cta {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.cta h2 {
    margin-bottom: var(--spacing-lg);
}

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

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
}

.footer-brand img {
    border-radius: 4px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

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

.footer-legal {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-legal p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* Responsive */
@media (max-width: 640px) {
    .hero {
        padding: var(--spacing-xl) 0;
    }


    .hero-icon {
        width: 72px;
        height: 72px;
        border-radius: 16px;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .how-it-works,
    .features,
    .privacy-highlight,
    .cta {
        padding: var(--spacing-xl) 0;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Legal Pages */
.legal-page {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.legal-page h1 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-xs);
}

.legal-page .last-updated {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xl);
}

.legal-page h2 {
    font-size: 1.25rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-page p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.legal-page ul {
    color: var(--color-text-light);
    margin: 0 0 var(--spacing-sm);
    padding-left: var(--spacing-md);
}

.legal-page li {
    margin-bottom: var(--spacing-xs);
}

.legal-page a {
    color: var(--color-primary);
}