/* CronSignal Design System
   Inspired by: Linear, Raycast, Vercel, Resend
   Premium but approachable. Minimal. Focused.
*/

/* ============================================
   Reset & Base
   ============================================ */

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

:root {
    /* Background Colors */
    --bg-primary: #09090b;
    --bg-secondary: #18181b;
    --bg-tertiary: #27272a;
    --bg-code: #0a0a0a;

    /* Text Colors */
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;

    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-hover: #4f46e5;
    --color-success: #22c55e;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-medium: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.15);

    /* Spacing (base: 4px) */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-section: 80px;

    /* Typography */
    --font-sans: 'Inter', -apple-system, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, monospace;

    /* Container */
    --container-max: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */

.hero-title {
    font-size: 56px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 36px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
}

.body-text {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
}

.small-text {
    font-size: 14px;
    font-weight: 500;
}

.code-text {
    font-family: var(--font-mono);
    font-size: 14px;
}

/* Gradient text for hero - subtle */
.gradient-text {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Layout
   ============================================ */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

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

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-link-active {
    color: var(--text-primary);
}

/* ============================================
   Buttons
   ============================================ */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.button-primary:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

.button-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.button-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-strong);
}

.button-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.button-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.button-block {
    width: 100%;
}

.button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   Cards
   ============================================ */

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: var(--space-lg);
    transition: all var(--transition-fast);
}

.card:hover {
    border-color: var(--border-medium);
    transform: translateY(-2px);
}

/* ============================================
   Form Elements
   ============================================ */

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-hint {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.form-field {
    margin-bottom: var(--space-md);
}

.form-row {
    display: flex;
    gap: var(--space-sm);
}

.form-message {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: var(--space-sm);
}

.form-message-success {
    color: var(--color-success);
}

.form-message-error {
    color: var(--color-error);
}

.form-message-info {
    color: var(--text-secondary);
}

/* ============================================
   Status Badges
   ============================================ */

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-up {
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-success);
}

.status-down {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.status-new {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

/* ============================================
   Code Blocks
   ============================================ */

.terminal {
    background: var(--bg-code);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-buttons span:nth-child(1) { background: #ff5f57; }
.terminal-buttons span:nth-child(2) { background: #febc2e; }
.terminal-buttons span:nth-child(3) { background: #28c840; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    flex: 1;
    text-align: center;
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.8;
}

.code-line {
    display: flex;
    align-items: center;
    margin-bottom: 4px;
}

.line-number {
    width: 32px;
    color: var(--text-muted);
    user-select: none;
    text-align: right;
    margin-right: 16px;
}

.code-line-highlight {
    background: rgba(99, 102, 241, 0.1);
    margin: 4px -20px;
    padding: 4px 20px;
    border-left: 3px solid var(--accent-primary);
}

.code-comment { color: var(--text-muted); }
.code-time { color: #a78bfa; }
.code-command { color: var(--color-success); }
.code-operator { color: var(--color-warning); }
.code-url { color: var(--accent-primary); }
.code-text { color: var(--text-secondary); }
.code-indent { width: 16px; display: inline-block; }

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

.hero {
    padding: calc(64px + var(--space-section)) var(--space-lg) var(--space-section);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1200px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    max-width: 1000px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 9999px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: var(--space-lg);
}

.hero-badge svg {
    color: var(--accent-primary);
}

.hero-title {
    margin-bottom: var(--space-lg);
    max-width: 800px;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-xl);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.hero-demo {
    max-width: 800px;
    margin: 0 auto;
}

.demo-note {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: var(--space-md);
    padding: 14px 16px;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.demo-note svg {
    flex-shrink: 0;
    color: var(--accent-primary);
}

/* ============================================
   Social Proof
   ============================================ */

.social-proof {
    padding: var(--space-3xl) var(--space-lg);
    text-align: center;
}

.social-proof-text {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.company-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.company-logo {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-muted);
    opacity: 0.6;
}

/* ============================================
   Problem Section
   ============================================ */

.problem-section {
    padding: var(--space-section) var(--space-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.problem-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.problem-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.stat-item {
    padding: var(--space-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
}

.stat-number {
    font-size: 48px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   Section Styles
   ============================================ */

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.how-it-works {
    padding: var(--space-section) var(--space-lg);
    background: var(--bg-primary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    position: relative;
    padding: var(--space-xl) var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    transition: all var(--transition-fast);
}

.step:hover {
    border-color: var(--border-medium);
    transform: translateY(-2px);
}

.step-number {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: 64px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
}

.step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    margin-bottom: var(--space-md);
    color: var(--accent-primary);
}

.step-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.step-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Features
   ============================================ */

.features {
    padding: var(--space-section) var(--space-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    padding: var(--space-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    transition: all var(--transition-fast);
}

.feature-card:hover {
    border-color: var(--border-medium);
    transform: translateY(-2px);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 10px;
    margin-bottom: var(--space-md);
    color: var(--accent-primary);
}

.feature-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.feature-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Pricing
   ============================================ */

.pricing {
    padding: var(--space-section) var(--space-lg);
    background: var(--bg-primary);
}

.pricing-cards {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    max-width: 450px;
    margin: 0 auto;
}

.pricing-card {
    flex: 1;
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    position: relative;
    transition: all var(--transition-fast);
}

.pricing-card-beta {
    border-color: rgba(99, 102, 241, 0.3);
}

.pricing-card-beta:hover {
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--accent-primary);
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-lg);
}

.pricing-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.pricing-price {
    margin-bottom: var(--space-sm);
}

.price-amount {
    font-size: 48px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.price-period {
    font-size: 16px;
    color: var(--text-muted);
}

.pricing-description {
    font-size: 14px;
    color: var(--text-secondary);
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-features svg {
    flex-shrink: 0;
    color: var(--accent-primary);
}

.pricing-note {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    padding: var(--space-section) var(--space-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: 36px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

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

.signup {
    padding: var(--space-section) var(--space-lg);
    background: var(--bg-primary);
}

.signup-container {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.signup-title {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.signup-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
}

.signup-form {
    margin-bottom: var(--space-md);
}

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

.footer {
    padding: var(--space-3xl) var(--space-lg) var(--space-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-heading {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.footer-link {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.footer-copyright {
    font-size: 14px;
    color: var(--text-muted);
}

/* ============================================
   Dashboard Styles
   ============================================ */

.dashboard-main {
    padding: calc(64px + var(--space-2xl)) var(--space-lg) var(--space-2xl);
    min-height: 100vh;
}

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

.dashboard-header .section-title {
    margin-bottom: 0;
}

.dashboard-message {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--text-secondary);
}

/* Upgrade Banner */
.upgrade-banner {
    background: linear-gradient(135deg, var(--accent-primary) 0%, #8b5cf6 100%);
    color: white;
    padding: var(--space-lg);
    border-radius: 16px;
    margin-bottom: var(--space-xl);
    text-align: center;
}

.upgrade-banner h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.upgrade-banner p {
    opacity: 0.9;
    margin-bottom: var(--space-md);
}

.upgrade-banner .button {
    background: white;
    color: var(--accent-primary);
    font-weight: 600;
}

/* Success Message */
.success-message {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--color-success);
    padding: var(--space-md);
    border-radius: 10px;
    margin-bottom: var(--space-xl);
    text-align: center;
    font-weight: 500;
}

/* Checks Grid */
.checks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: var(--space-lg);
}

.check-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: var(--space-lg);
    transition: all var(--transition-fast);
}

.check-card:hover {
    border-color: var(--border-medium);
}

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

.check-name {
    font-size: 18px;
    font-weight: 600;
}

.check-info {
    margin-bottom: var(--space-md);
}

.check-info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.check-info-row:last-child {
    border-bottom: none;
}

.check-info-label {
    font-size: 14px;
    color: var(--text-muted);
}

.check-info-value {
    font-size: 14px;
    color: var(--text-primary);
}

.check-ping-url {
    margin-bottom: var(--space-md);
}

.check-ping-url .check-info-label {
    display: block;
    margin-bottom: var(--space-sm);
}

.ping-url-container {
    display: flex;
    gap: var(--space-sm);
}

.ping-url-input {
    flex: 1;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 13px;
}

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

.check-actions {
    display: flex;
    justify-content: flex-end;
}

.delete-button {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-error);
}

.delete-button:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    padding: var(--space-lg);
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: 16px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color var(--transition-fast);
}

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

.modal form {
    padding: var(--space-lg);
}

.modal-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    margin-top: var(--space-lg);
}

/* ============================================
   Blog Styles
   ============================================ */

.blog-header {
    padding: calc(64px + var(--space-3xl)) 0 var(--space-3xl) 0;
    text-align: center;
}

.blog-header-title {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.blog-header-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

.blog-posts {
    padding: var(--space-3xl) 0;
}

.blog-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-lg);
}

.blog-post-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: var(--space-lg);
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.blog-post-card:hover {
    border-color: var(--border-medium);
    transform: translateY(-2px);
}

.blog-post-date {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.blog-post-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.blog-post-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.blog-post-title a:hover {
    color: var(--accent-primary);
}

.blog-post-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
    flex-grow: 1;
}

.blog-post-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.blog-post-link:hover {
    gap: 12px;
}

.blog-post-link svg {
    transition: transform var(--transition-fast);
}

.blog-post-link:hover svg {
    transform: translateX(2px);
}

/* Individual Blog Post */
.blog-post {
    padding: calc(64px + var(--space-3xl)) 0 var(--space-3xl) 0;
}

.blog-post-header {
    margin-bottom: var(--space-xl);
}

.blog-post-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: var(--space-lg);
    transition: color var(--transition-fast);
}

.blog-post-back:hover {
    color: var(--text-primary);
}

.blog-post-title-main {
    font-size: 42px;
    font-weight: 600;
    line-height: 1.2;
    margin-top: var(--space-md);
    margin-bottom: var(--space-md);
}

/* Blog Post Content Styles */
.blog-post-content {
    color: var(--text-secondary);
    font-size: 17px;
    line-height: 1.8;
}

.blog-post-content h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-lg);
    line-height: 1.3;
}

.blog-post-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.blog-post-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.blog-post-content p {
    margin-bottom: var(--space-lg);
}

.blog-post-content a {
    color: var(--accent-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.blog-post-content a:hover {
    border-bottom-color: var(--accent-primary);
}

.blog-post-content ul,
.blog-post-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.blog-post-content li {
    margin-bottom: var(--space-sm);
}

.blog-post-content code {
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--accent-primary);
}

.blog-post-content pre {
    background: var(--bg-code);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: var(--space-lg);
    overflow-x: auto;
}

.blog-post-content pre code {
    background: none;
    padding: 0;
    color: var(--text-secondary);
}

.blog-post-content blockquote {
    border-left: 3px solid var(--accent-primary);
    padding-left: var(--space-lg);
    margin: var(--space-xl) 0;
    color: var(--text-muted);
    font-style: italic;
}

.blog-post-content hr {
    border: none;
    height: 1px;
    background: var(--border-subtle);
    margin: var(--space-2xl) 0;
}

.blog-post-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Messages */
.loading-message,
.no-posts-message,
.error-message {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-secondary);
    font-size: 16px;
}

.error-message {
    color: var(--color-error);
}

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

.fade-in {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

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

@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }

    .section-title {
        font-size: 32px;
    }

    .cta-title {
        font-size: 32px;
    }

    .steps {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

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

    .problem-stats {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    :root {
        --space-section: 64px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 17px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .button {
        width: 100%;
    }

    .section-title {
        font-size: 28px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

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

    .footer-col {
        align-items: center;
    }

    .form-row {
        flex-direction: column;
    }

    .nav {
        gap: var(--space-md);
    }

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

    .blog-header-title {
        font-size: 36px;
    }

    .blog-post-title-main {
        font-size: 32px;
    }

    .blog-posts-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 24px;
    }

    .terminal-body {
        font-size: 12px;
        padding: var(--space-md);
    }

    .stat-number {
        font-size: 40px;
    }

    .ping-url-container {
        flex-direction: column;
    }

    .blog-post-content {
        font-size: 16px;
    }

    .blog-post-content h2 {
        font-size: 24px;
    }

    .blog-post-content h3 {
        font-size: 20px;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .header,
    .footer,
    .cta-section {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .blog-post-content {
        color: black;
    }
}