/* ========== RESET & VARIABLES ========== */
:root {
    --primary-color: #0ea5e9; /* Light Blue / Cyan theme */
    --primary-hover: #0284c7;
    --bg-main: #f8fafc;
    --bg-alt: #f1f5f9;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(14, 165, 233, 0.1);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --border-radius: 16px;
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== DYNAMIC BACKGROUND ========== */
.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.6;
    animation: floatShape 20s infinite alternate linear;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: #bae6fd;
    top: -10%;
    left: -10%;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: #e0f2fe;
    top: 40%;
    right: -15%;
    animation-duration: 25s;
    animation-delay: -5s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: #dbeafe;
    bottom: 10%;
    left: 20%;
    animation-duration: 18s;
}

@keyframes floatShape {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 30px) scale(1.1); }
    100% { transform: translate(-30px, 50px) scale(0.9); }
}

/* ========== GLASSMORPHISM UTIL ========== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--border-radius);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(14, 165, 233, 0.15);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 600;
    transition: all var(--transition-fast);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-large {
    padding: 14px 32px;
    font-size: 1.1rem;
}

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-main);
    transition: color var(--transition-fast);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-main);
    cursor: pointer;
}

/* ========== HERO SECTION ========== */
.hero {
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #0ea5e9, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.float-animation {
    animation: floatImg 6s ease-in-out infinite;
}

@keyframes floatImg {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.hero-stats {
    padding: 40px;
    display: grid;
    gap: 30px;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ========== COMMON SECTIONS ========== */
.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-alt);
    border-top: 1px solid rgba(255,255,255,0.5);
    border-bottom: 1px solid rgba(255,255,255,0.5);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

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

/* ========== FEATURES ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 40px 30px;
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

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

/* ========== NODE STATUS ========== */
.status-board {
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.status-header, .status-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr 1fr;
    padding: 20px 30px;
    align-items: center;
}

.status-header {
    background: rgba(14, 165, 233, 0.05);
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.status-row {
    border-bottom: 1px solid rgba(0,0,0,0.03);
    transition: background var(--transition-fast);
}

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

.status-row:hover {
    background: rgba(255,255,255,0.5);
}

.latency.good { color: var(--success-color); font-weight: 600; }
.latency.ok { color: var(--warning-color); font-weight: 600; }

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    width: fit-content;
}

.status-badge.green {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

/* ========== PRICING ========== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: center;
}

.pricing-card {
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-card.popular {
    transform: scale(1.05);
    border: 2px solid var(--primary-color);
    box-shadow: 0 15px 40px rgba(14, 165, 233, 0.15);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--primary-color);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-muted);
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.plan-price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.plan-features {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
}

.plan-features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    color: var(--text-main);
    position: relative;
    padding-left: 30px;
}

.plan-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ========== REVIEWS ========== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    padding: 30px;
}

.stars {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.review-text {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-main);
}

.reviewer {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* ========== FAQ ========== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq-question {
    padding: 20px 25px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-smooth);
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    padding: 0 25px 20px;
    max-height: 200px;
}

/* ========== KNOWLEDGE BASE ========== */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.kb-card {
    display: block;
    padding: 30px;
    transition: all var(--transition-fast);
}

.kb-tag {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary-color);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.kb-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.kb-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== FOOTER ========== */
.footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 80px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-info .logo {
    color: white;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.link-column h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.link-column a {
    display: block;
    color: #94a3b8;
    margin-bottom: 10px;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #64748b;
    font-size: 0.9rem;
}

/* ========== ANIMATIONS ========== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
    }
    .hero-buttons {
        justify-content: center;
    }
    .pricing-card.popular {
        transform: scale(1);
    }
    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(255,255,255,0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }
    .nav-links.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: block;
    }
    .navbar .btn {
        display: none;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .status-header, .status-row {
        grid-template-columns: 1fr;
        gap: 10px;
        text-align: center;
    }
    .status-header {
        display: none;
    }
    .footer-links {
        grid-template-columns: 1fr;
    }
}