/* ===================================
   Ham Radio Guide - Stylesheet
   Modern, professional design
   =================================== */

/* CSS Variables */
:root {
    /* Colors - Deep tech theme with radio-inspired accents */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a2e;
    --color-bg-card: #16161f;

    --color-text-primary: #f0f0f5;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b6b7b;

    --color-accent-primary: #4361ee;
    --color-accent-secondary: #6366f1;
    --color-accent-light: #818cf8;
    --color-accent-glow: rgba(67, 97, 238, 0.3);

    --color-success: #4ade80;
    --color-warning: #fbbf24;
    --color-error: #f87171;

    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.12);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--color-accent-glow);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

a {
    color: var(--color-accent-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===================================
   Header & Navigation
   =================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo:hover {
    color: var(--color-text-primary);
}

.logo-icon {
    display: flex;
    color: var(--color-accent-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-links a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-primary);
    transition: width var(--transition-base);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--spacing-3xl);
    padding: calc(80px + var(--spacing-3xl)) var(--spacing-lg) var(--spacing-3xl);
    max-width: 1400px;
    margin: 0 auto;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, var(--color-accent-glow) 0%, transparent 70%);
    opacity: 0.4;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.03) 1px, transparent 0);
    background-size: 40px 40px;
}

.hero-content {
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 560px;
}

.hero-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    color: var(--color-accent-light);
}

.benefit-text {
    display: flex;
    flex-direction: column;
}

.benefit-text strong {
    color: var(--color-text-primary);
    font-size: 1.125rem;
}

.benefit-text span {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

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

.btn-primary {
    background: var(--color-accent-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--color-accent-secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--color-accent-glow);
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-light);
}

.btn-secondary:hover {
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    border-color: var(--color-accent-primary);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent-light);
    font-family: var(--font-mono);
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* Hero Visual - Radio Showcase */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.radio-showcase {
    position: relative;
}

.showcase-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    width: 280px;
    text-align: center;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.showcase-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-light);
    margin-bottom: var(--spacing-md);
}

.showcase-image {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.radio-illustration {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.showcase-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.showcase-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.showcase-price {
    font-family: var(--font-mono);
    color: var(--color-success);
    font-weight: 500;
}

/* ===================================
   Quick Start Section
   =================================== */
.quick-start {
    background: var(--color-bg-secondary);
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-title {
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text-primary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.step-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-base);
}

.step-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-accent-primary);
    color: white;
    font-weight: 700;
    font-size: 1.125rem;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.step-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.step-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ===================================
   Content Sections
   =================================== */
.content-section {
    padding: var(--spacing-3xl) 0;
}

.content-section.alt-bg {
    background: var(--color-bg-secondary);
}

.content-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-2xl) 0 var(--spacing-md);
}

.content-section h3:first-child {
    margin-top: 0;
}

.content-section p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

/* Content Grid Layout */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-3xl);
    align-items: start;
}

.content-main {
    min-width: 0;
}

.content-sidebar {
    position: sticky;
    top: 100px;
}

/* Feature Lists */
.feature-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.feature-list li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-accent-primary);
    border-radius: 50%;
}

.feature-list.warning li::before {
    background: var(--color-warning);
}

.feature-list li strong {
    color: var(--color-text-primary);
}

/* Comparison Card (Sidebar) */
.comparison-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.comparison-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.comparison-table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.comparison-table td {
    color: var(--color-text-secondary);
}

.comparison-table td.highlight {
    color: var(--color-success);
    font-weight: 600;
}

/* ===================================
   License Cards Section
   =================================== */
.license-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.license-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-base);
}

.license-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.license-card.technician {
    border-top: 3px solid var(--color-success);
}

.license-card.general {
    border-top: 3px solid var(--color-accent-primary);
}

.license-card.extra {
    border-top: 3px solid var(--color-warning);
}

.license-badge {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.license-card h3 {
    font-size: 1.375rem;
    margin: 0 0 var(--spacing-md);
}

.license-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.license-stat {
    display: flex;
    flex-direction: column;
}

.license-stat .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent-light);
    font-family: var(--font-mono);
    line-height: 1;
}

.license-stat .stat-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.license-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.license-features li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.license-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
}

.license-verdict {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.license-verdict strong {
    color: var(--color-text-secondary);
}

/* Recommendation Box */
.recommendation-box {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(99, 102, 241, 0.05));
    border: 1px solid var(--color-accent-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.recommendation-box h4 {
    color: var(--color-accent-light);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.recommendation-box p {
    color: var(--color-text-secondary);
    margin: 0;
}

/* Cost Breakdown */
.cost-breakdown {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.cost-breakdown h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-lg);
}

.cost-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.cost-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    text-align: center;
}

.cost-item.total {
    background: var(--color-accent-primary);
}

.cost-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.cost-item.total .cost-label {
    color: rgba(255, 255, 255, 0.8);
}

.cost-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    font-family: var(--font-mono);
}

.cost-item.total .cost-value {
    color: white;
}

.cost-note {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.cost-item.total .cost-note {
    color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   Process Steps Section
   =================================== */
.process-steps {
    margin-bottom: var(--spacing-2xl);
}

.process-step {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-border);
}

.process-step:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.process-number {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--color-accent-primary);
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
    border-radius: var(--radius-lg);
}

.process-content {
    flex: 1;
}

.process-content h3 {
    margin-top: 0;
}

.process-content p {
    color: var(--color-text-secondary);
}

.process-content .note {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Resources Grid */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.resource-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.resource-card.free {
    border-left: 3px solid var(--color-success);
}

.resource-card.paid {
    border-left: 3px solid var(--color-accent-primary);
}

.resource-card h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.resource-card ul {
    list-style: none;
    margin: 0;
}

.resource-card li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.resource-card a {
    color: var(--color-accent-light);
}

/* Exam Options */
.exam-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.exam-option {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.exam-option h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.exam-option ul {
    list-style: none;
    margin: 0;
}

.exam-option li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.exam-option li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent-primary);
}

/* Exam Tips */
.exam-tips {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.exam-tips h3 {
    margin-top: 0;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.tip-icon {
    color: var(--color-success);
    font-weight: bold;
    flex-shrink: 0;
}

.tip-item p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* ===================================
   Product Section
   =================================== */
.radio-types {
    margin-bottom: var(--spacing-2xl);
}

.radio-types-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.radio-type {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.radio-type h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.radio-type p {
    margin: 0;
    font-size: 0.9375rem;
}

.product-section {
    margin-bottom: var(--spacing-2xl);
}

.product-section h3 {
    margin-top: 0;
}

.section-note {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card.featured {
    border: 2px solid var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.product-badge {
    display: inline-block;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.product-badge.budget {
    background: rgba(74, 222, 128, 0.1);
    color: var(--color-success);
}

.product-badge.classic {
    background: rgba(160, 160, 176, 0.1);
    color: var(--color-text-secondary);
}

.product-badge.power {
    background: rgba(251, 191, 36, 0.1);
    color: var(--color-warning);
}

.product-badge.recommended {
    background: rgba(67, 97, 238, 0.2);
    color: var(--color-accent-light);
}

.product-badge.legendary {
    background: rgba(251, 191, 36, 0.1);
    color: var(--color-warning);
}

.product-badge.value {
    background: rgba(74, 222, 128, 0.1);
    color: var(--color-success);
}

.product-badge.premium {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-accent-light);
}

.product-card h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-success);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-md);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.product-features span {
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.product-card > p {
    flex: 1;
    font-size: 0.9375rem;
}

.product-verdict {
    font-size: 0.8125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

.product-verdict .pros {
    color: var(--color-success);
    font-weight: 600;
}

.product-verdict .cons {
    color: var(--color-error);
    font-weight: 600;
}

.btn-product {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-md);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-product:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: white;
}

/* Comparison Table */
.comparison-section {
    margin-bottom: var(--spacing-2xl);
}

.table-responsive {
    overflow-x: auto;
}

.product-comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.product-comparison-table th,
.product-comparison-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.product-comparison-table th {
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
}

.product-comparison-table td {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.product-comparison-table tr.highlighted {
    background: rgba(67, 97, 238, 0.1);
}

.product-comparison-table tr.highlighted td {
    color: var(--color-text-primary);
}

.table-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-accent-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
}

.table-link:hover {
    background: var(--color-accent-secondary);
    color: white;
}

/* Budget Section */
.budget-section h3 {
    margin-top: 0;
}

.budget-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.budget-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.budget-card.featured {
    border: 2px solid var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.budget-card h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.budget-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.budget-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.item-price {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.budget-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-success);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-mono);
}

.budget-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Accessories Section
   =================================== */
.accessories-intro {
    max-width: 800px;
    margin-bottom: var(--spacing-2xl);
}

.accessories-intro p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.accessories-grid {
    display: grid;
    gap: var(--spacing-2xl);
}

.accessory-category h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

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

.accessory-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.accessory-card h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.accessory-price {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-success);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-sm);
}

.accessory-card p {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.btn-small {
    font-size: 0.8125rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-small:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: white;
}

.accessory-tip {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.category-intro {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.solutions-list {
    list-style: none;
}

.solutions-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-xl);
    position: relative;
    color: var(--color-text-secondary);
}

.solutions-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent-primary);
}

.solutions-list li strong {
    color: var(--color-text-primary);
}

/* ===================================
   First Contact Section
   =================================== */
.checklist {
    list-style: none;
    margin: var(--spacing-md) 0 var(--spacing-xl);
}

.checklist li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
}

.checklist .check {
    color: var(--color-success);
    font-weight: bold;
}

.numbered-list {
    list-style: none;
    counter-reset: item;
    margin: var(--spacing-md) 0;
}

.numbered-list li {
    counter-increment: item;
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-2xl);
    position: relative;
    color: var(--color-text-secondary);
}

.numbered-list li::before {
    content: counter(item);
    position: absolute;
    left: 0;
    width: 24px;
    height: 24px;
    background: var(--color-accent-primary);
    color: white;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.numbered-list li strong {
    color: var(--color-text-primary);
}

/* Info Cards */
.info-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.info-card.highlight {
    border-color: var(--color-accent-primary);
    background: rgba(67, 97, 238, 0.05);
}

.info-card h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.script-example {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-size: 0.875rem;
}

.script-example p {
    margin-bottom: var(--spacing-sm);
}

.script-example p:last-child {
    margin-bottom: 0;
}

.script-example em {
    color: var(--color-text-muted);
}

.small-text {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.phonetics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* ===================================
   Emergency Section
   =================================== */
.emergency-intro {
    max-width: 800px;
    margin-bottom: var(--spacing-2xl);
}

.emergency-intro p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.capability-levels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.capability-level {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.capability-level h4 {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-light);
}

.capability-level p {
    font-size: 0.875rem;
    margin: 0;
}

.plan-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.plan-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.plan-list li strong {
    color: var(--color-accent-light);
    font-family: var(--font-mono);
}

.plan-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.emphasis {
    color: var(--color-warning);
    font-weight: 500;
}

/* ===================================
   FAQ Section
   =================================== */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--color-text-primary);
    font-size: 1.0625rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-accent-light);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-accent-primary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: var(--spacing-lg);
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* ===================================
   Conclusion Section
   =================================== */
.conclusion-section {
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    text-align: center;
}

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

.conclusion-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-lg);
}

.conclusion-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.conclusion-recap {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.recap-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.recap-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-accent-primary);
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
    border-radius: 50%;
}

.recap-text {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.conclusion-cta-text {
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xl);
}

.conclusion-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.0625rem;
}

/* ===================================
   Scroll Animations
   =================================== */
.animate-ready {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Header scrolled state */
.site-header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-md);
}

/* ===================================
   About Page
   =================================== */
.about-page {
    padding-top: calc(80px + var(--spacing-3xl));
}

.about-page h1 {
    margin-bottom: var(--spacing-2xl);
}

.about-content {
    max-width: 800px;
}

.about-content h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.about-content h2:first-child {
    margin-top: 0;
}

.about-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.affiliate-box {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

.affiliate-box h2 {
    margin-top: 0;
    color: var(--color-accent-light);
}

/* ===================================
   Footer
   =================================== */
.site-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-3xl);
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.footer-column a:hover {
    color: var(--color-accent-light);
}

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

.affiliate-disclosure {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.affiliate-disclosure strong {
    color: var(--color-text-secondary);
}

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-benefits {
        align-items: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .showcase-card {
        width: 240px;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding-top: calc(70px + var(--spacing-2xl));
        min-height: auto;
        padding-bottom: var(--spacing-2xl);
    }

    .hero-badge {
        font-size: 0.8125rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        min-width: 80px;
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.9375rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        gap: var(--spacing-2xl);
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-benefits {
        align-items: flex-start;
        text-align: left;
    }

    .benefit-icon {
        width: 40px;
        height: 40px;
    }

    .benefit-icon svg {
        width: 20px;
        height: 20px;
    }
}

/* Additional Responsive Styles for Content Sections */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .content-sidebar {
        position: static;
    }

    .license-cards {
        grid-template-columns: 1fr;
    }

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

    .radio-types-grid {
        grid-template-columns: 1fr;
    }

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

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

    .capability-levels {
        grid-template-columns: 1fr;
    }

    .conclusion-recap {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .process-step {
        flex-direction: column;
    }

    .process-number {
        width: 60px;
        height: 60px;
    }

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

    .exam-options {
        grid-template-columns: 1fr;
    }

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

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

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

    .product-comparison-table {
        font-size: 0.8125rem;
    }

    .product-comparison-table th,
    .product-comparison-table td {
        padding: var(--spacing-sm);
    }

    .faq-question {
        font-size: 0.9375rem;
    }
}

@media (max-width: 480px) {
    .license-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .recap-item {
        flex-direction: column;
        text-align: center;
    }

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