:root {
    --bg-deep: #ffffff;
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border-subtle: #e2e8f0;
    --border-glow: #0ea5e9;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --accent-online: #10b981;
    --accent-online-glow: rgba(16, 185, 129, 0.2);
    --accent-offline: #ef4444;
    --accent-offline-glow: rgba(239, 68, 68, 0.2);
    --accent-cyan: #0ea5e9;
    --accent-cyan-glow: rgba(14, 165, 233, 0.15);

    --font-display: 'Outfit', sans-serif;
    --font-mono: 'Space Mono', monospace;

    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-display);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Grid Background Pattern */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.grid-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.08), transparent);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-online), var(--accent-cyan));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border-subtle);
}

.lang-switcher a {
    font-size: 1.25rem;
    text-decoration: none;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.lang-switcher a:hover,
.lang-switcher a.active {
    opacity: 1;
}

.nav-cta {
    background: var(--accent-online);
    color: var(--bg-deep);
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: #0ea572;
    transform: translateY(-1px);
}

/* Main Content */
main {
    position: relative;
    z-index: 1;
}

section {
    padding: 6rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 8rem;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-online-glow); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--accent-offline), #f97316);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--accent-online);
    color: var(--bg-deep);
    padding: 1rem 2rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #0ea572;
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--accent-online-glow);
}

.btn-primary svg {
    width: 20px;
    height: 20px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid var(--border-subtle);
    transition: all 0.3s;
}

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    background: rgba(34, 211, 238, 0.05);
}

/* App Preview */
.hero-visual {
    position: relative;
}

.app-window {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(0,0,0,0.05),
        0 20px 50px rgba(0,0,0,0.1),
        0 0 100px var(--accent-cyan-glow);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s;
}

.app-window:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-subtle);
}

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

.window-dot.red { background: #ef4444; }
.window-dot.yellow { background: #eab308; }
.window-dot.green { background: #22c55e; }

.window-content {
    padding: 1.5rem;
    min-height: 350px;
}

/* Mock Dashboard */
.mock-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.mock-stat {
    background: var(--bg-dark);
    padding: 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-subtle);
}

.mock-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mock-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0.25rem;
}

.mock-stat-value.online { color: var(--accent-online); }
.mock-stat-value.offline { color: var(--accent-offline); }

.mock-chart {
    background: var(--bg-dark);
    border-radius: var(--radius);
    padding: 1rem;
    border: 1px solid var(--border-subtle);
}

.mock-chart-header {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.mock-bars {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 80px;
}

.mock-bar {
    flex: 1;
    background: var(--accent-online);
    border-radius: 2px 2px 0 0;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.mock-bar:hover { opacity: 1; }
.mock-bar.alert { background: var(--accent-offline); }

/* Floating Elements */
.floating-status {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    animation: float 3s ease-in-out infinite;
    z-index: 10;
}

.floating-status.top-right {
    top: -20px;
    right: -30px;
    animation-delay: 0s;
}

.floating-status.bottom-left {
    bottom: 40px;
    left: -40px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-dot.online {
    background: var(--accent-online);
    box-shadow: 0 0 10px var(--accent-online-glow);
}

.status-dot.offline {
    background: var(--accent-offline);
    box-shadow: 0 0 10px var(--accent-offline-glow);
}

/* Problem Section */
.problem {
    background: linear-gradient(180deg, transparent, rgba(239, 68, 68, 0.05), transparent);
}

.problem-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.problem-card:hover {
    border-color: var(--accent-offline);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(239, 68, 68, 0.15);
}

.problem-icon {
    width: 48px;
    height: 48px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-offline);
}

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Features Section */
.features {
    background: linear-gradient(180deg, transparent, rgba(16, 185, 129, 0.05), transparent);
}

.features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-online), var(--accent-cyan));
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    border-color: var(--accent-online);
    transform: translateY(-4px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(34, 211, 238, 0.15));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-online);
}

.feature-card h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.feature-tag {
    display: inline-block;
    background: rgba(34, 211, 238, 0.1);
    color: var(--accent-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 1rem;
    font-family: var(--font-mono);
}

/* How It Works */
.how-it-works {
    background: var(--bg-dark);
}

.how-header {
    text-align: center;
    margin-bottom: 4rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
}

.steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-online), var(--accent-cyan), var(--accent-online));
    opacity: 0.3;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--bg-card);
    border: 2px solid var(--accent-online);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-online);
    position: relative;
    z-index: 1;
}

.step h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Regions Section */
.regions {
    background: var(--bg-dark);
}

.regions-header {
    text-align: center;
    margin-bottom: 4rem;
}

.regions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.region-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.region-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
}

.region-flag {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.region-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.region-card p {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

/* CTA Section */
.cta {
    text-align: center;
    padding: 8rem 2rem;
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-online-glow), transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.cta p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.price-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
    margin-top: 2rem;
    font-family: var(--font-mono);
}

.price-tag .free {
    color: var(--accent-online);
    font-weight: 700;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 2rem;
    background: var(--bg-dark);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-copy {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Pricing Section */
.pricing {
    background: var(--bg-deep);
}

.pricing-header {
    text-align: center;
    margin-bottom: 4rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    position: relative;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--text-muted);
}

.pricing-card.featured {
    border: 2px solid var(--accent-online);
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.08), var(--bg-card));
    transform: scale(1.02);
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
    border-color: var(--accent-online);
    box-shadow: 0 20px 60px var(--accent-online-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-online);
    color: var(--bg-deep);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-subtle);
}

.pricing-card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.featured .price-amount {
    color: var(--accent-online);
}

.price-period {
    font-size: 1rem;
    color: var(--text-muted);
}

.pricing-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pricing-annual {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.pricing-features li.included.highlight {
    color: var(--text-primary);
    font-weight: 500;
}

.pricing-features li.not-included {
    color: var(--text-muted);
    opacity: 0.6;
}

.pricing-features li.not-included svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.pricing-btn {
    width: 100%;
    justify-content: center;
    text-align: center;
}

.pricing-trial {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cta-note {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Legal Pages */
.legal-content {
    padding-top: 8rem;
    padding-bottom: 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 0.5rem;
}

.legal-content .legal-date {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.legal-content h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.legal-content p,
.legal-content ul {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-content ul {
    padding-left: 1.5rem;
}

.legal-content ul li {
    margin-bottom: 0.5rem;
}

.legal-content a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }

    .app-window {
        transform: none;
    }

    .floating-status {
        display: none;
    }

    .features-grid,
    .problem-grid {
        grid-template-columns: 1fr;
    }

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

    .steps::before {
        display: none;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
    }

    .pricing-card.featured {
        transform: none;
        order: -1;
    }

    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 640px) {
    section {
        padding: 4rem 1.5rem;
    }

    .nav-links {
        display: none;
    }

    .mock-stats {
        grid-template-columns: 1fr;
    }

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

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

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}