/* ============================================
   Realizer.io Design System
   ============================================ */

/* --- Design Tokens --- */
:root {
    /* Primary Colors */
    --primary-blue: #0066CC;
    --primary-blue-dark: #004D99;
    --primary-blue-light: #3385D6;

    /* Secondary/Accent Colors */
    --accent-teal: #00B4D8;
    --accent-purple: #7B2CBF;
    --success-green: #06D6A0;
    --warning-amber: #FFB703;

    /* Neutrals */
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-900: #0F172A;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066CC 0%, #00B4D8 100%);
    --gradient-accent: linear-gradient(135deg, #7B2CBF 0%, #0066CC 100%);

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* --- Base Reset & Typography --- */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--gray-900);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.75rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
}

p {
    margin-bottom: var(--space-sm);
}

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

a:hover {
    color: var(--primary-blue-dark);
}

/* --- Utility Classes --- */
.text-center { text-align: center; }
.text-white { color: #fff; }
.text-muted { color: var(--gray-600); }

.lead {
    font-size: 1.25rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
    color: #fff;
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: #fff;
}

.btn-white {
    background: #fff;
    color: var(--primary-blue);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    color: var(--primary-blue-dark);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* --- Section Layout --- */
.section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* --- Container --- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* --- Grid --- */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* --- Skip to main content (accessibility) --- */
.skip-link {
    position: absolute;
    top: -100px;
    left: var(--space-sm);
    background: var(--primary-blue);
    color: #fff;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    z-index: 9999;
}

.skip-link:focus {
    top: var(--space-sm);
    color: #fff;
}

/* --- CTA Section --- */
.cta-section {
    background: var(--gradient-primary);
    color: #fff;
    padding: var(--space-3xl) 0;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
}

.cta-section p {
    font-size: 1.25rem;
    opacity: 0.95;
    margin: 0 auto var(--space-lg);
}

/* --- Dashboard Mockup --- */
.dashboard-mockup {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    padding: 1rem;
    border: 1px solid var(--gray-200);
}

.mockup-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mockup-content {
    background: var(--gray-50);
    height: 400px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
}

.mockup-card {
    background: white;
    padding: 1rem;
    border-radius: 6px;
    border-left: 4px solid var(--primary-blue);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* --- Page Content Sections --- */
.page-content {
    padding: var(--space-2xl) 0;
}

.content-narrow {
    max-width: 800px;
    margin: 0 auto;
}

/* --- FAQ Accordion Overrides --- */
.faq-section .accordion-button:not(.collapsed) {
    background: rgba(0, 102, 204, 0.05);
    color: var(--primary-blue);
}

.faq-section .accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

/* --- Delivery Methods List --- */
.delivery-methods {
    list-style: none;
    padding: 0;
}

.delivery-methods li {
    padding: 0.5rem 0;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    color: var(--gray-700);
}

.delivery-methods li::before {
    content: '\2713';
    color: var(--success-green);
    font-weight: 700;
    flex-shrink: 0;
}

/* --- Thank You Page --- */
.thank-you {
    text-align: center;
    padding: var(--space-3xl) var(--space-md);
}

.thank-you-icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
}

/* --- Prose Content (for About, Privacy, Terms) --- */
.prose {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md);
}

.prose h1 {
    margin-bottom: var(--space-md);
}

.prose h2 {
    font-size: 1.75rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.prose h3 {
    font-size: 1.35rem;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-xs);
}

.prose p, .prose li {
    line-height: 1.7;
    color: var(--gray-700);
}

.prose ul, .prose ol {
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
}