/* ==========================================
   CSS Reset & Base Styles
   ========================================== */

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

:root {
    /* Color Palette - Sophisticated earth tones with blue accent */
    --color-primary: #2A5F7F;
    --color-primary-dark: #1E4559;
    --color-accent: #D4A574;
    --color-bg: #FAFAF8;
    --color-bg-alt: #F4F3EF;
    --color-text: #2C2C2C;
    --color-text-light: #6B6B6B;
    --color-border: #E0DED8;
    --color-success: #2A7F5F;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-display: 'DM Serif Display', serif;
    --font-body: 'IBM Plex Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Other */
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   Header
   ========================================== */

.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav a {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    letter-spacing: 0.01em;
}

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

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: -10%;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(42, 95, 127, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
    font-style: italic;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
    max-width: 600px;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(42, 95, 127, 0.15);
}

.cta-button:hover {
    background-color: var(--color-primary-dark);
    box-shadow: 0 6px 20px rgba(42, 95, 127, 0.25);
    transform: translateY(-2px);
}

/* ==========================================
   Trust Strip
   ========================================== */

.trust-strip {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-light);
    font-size: 0.95rem;
}

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

/* ==========================================
   How It Works
   ========================================== */

.how-it-works {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

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

.step {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.step:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
    transform: translateY(-4px);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.step-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.step-description {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ==========================================
   Signup Section
   ========================================== */

.signup-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-alt);
}

.signup-content {
    max-width: 600px;
    margin: 0 auto;
}

.signup-form {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    margin-top: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-size: 0.95rem;
}

.optional {
    color: var(--color-text-light);
    font-weight: 400;
    font-size: 0.85rem;
}

.required {
    color: var(--color-primary);
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"] {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition);
    background-color: var(--color-bg);
}

.form-group input[type="text"]:focus,
.form-group input[type="tel"]:focus,
.form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
}

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

.radio-option {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--color-bg);
}

.radio-option:hover {
    border-color: var(--color-primary);
    background-color: var(--color-white);
}

.radio-option input[type="radio"] {
    margin-top: 0.25rem;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.radio-option input[type="radio"]:checked ~ .radio-content {
    color: var(--color-primary);
}

.radio-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.radio-label {
    font-weight: 500;
    font-size: 0.95rem;
}

.radio-description {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    margin-right: var(--spacing-sm);
    margin-top: 0.25rem;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.checkbox-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

.checkbox-label a:hover {
    color: var(--color-primary-dark);
}

.submit-button {
    width: 100%;
    padding: 1.125rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.05rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(42, 95, 127, 0.15);
}

.submit-button:hover {
    background-color: var(--color-primary-dark);
    box-shadow: 0 6px 20px rgba(42, 95, 127, 0.25);
    transform: translateY(-2px);
}

/* ==========================================
   Example Alert
   ========================================== */

.example-alert {
    padding: var(--spacing-3xl) 0;
}

.alert-card {
    max-width: 600px;
    margin: var(--spacing-xl) auto 0;
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

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

.alert-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.alert-distance {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.alert-address {
    color: var(--color-text-light);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.alert-description {
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.alert-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.alert-link:hover {
    color: var(--color-primary-dark);
    gap: 0.5rem;
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-3xl);
}

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

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.8;
}

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

.footer-links a {
    color: var(--color-bg);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

/* ==========================================
   Terms & Privacy Pages
   ========================================== */

.legal-page {
    padding: var(--spacing-3xl) 0;
    max-width: 800px;
    margin: 0 auto;
}

.legal-page h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.legal-page h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.legal-page h3 {
    font-size: 1.2rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-page p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.legal-page ul, .legal-page ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.legal-page li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

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

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

.legal-meta {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 768px) {
    .nav {
        gap: var(--spacing-md);
    }
    
    .nav a {
        font-size: 0.85rem;
    }
    
    .hero {
        padding: var(--spacing-2xl) 0 var(--spacing-xl);
    }
    
    .trust-items {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .signup-form {
        padding: var(--spacing-lg);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .nav {
        gap: var(--spacing-sm);
    }
    
    .cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}

/* ==========================================
   Animations
   ========================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.step {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.step:nth-child(1) { animation-delay: 0.1s; }
.step:nth-child(2) { animation-delay: 0.2s; }
.step:nth-child(3) { animation-delay: 0.3s; }

/* ==========================================
   Coverage gate messaging
   ========================================== */

.coverage-message {
    margin: 0 0 var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    background: var(--color-white);
    color: var(--color-text);
    font-size: 0.95rem;
}

.coverage-message--error {
    border-color: rgba(212, 55, 55, 0.35);
    background: rgba(212, 55, 55, 0.06);
}

.coverage-message--ok {
    border-color: rgba(42, 127, 95, 0.35);
    background: rgba(42, 127, 95, 0.06);
}