/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #09090b;
    --bg-card: #18181b;
    --bg-card-hover: #1c1c20;
    --border: #27272a;
    --border-green: #1e3a2f;
    --green: #22c55e;
    --green-light: #4ade80;
    --green-pale: #86efac;
    --cyan: #22d3ee;
    --white: #f1f5f9;
    --gray: #94a3b8;
    --gray-dark: #64748b;
    --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

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

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.logo-text {
    font-weight: 600;
    font-size: 16px;
    letter-spacing: -0.02em;
}

.nav-cta {
    font-size: 14px;
    color: var(--gray);
    transition: color 0.2s;
}

.nav-cta:hover {
    color: var(--green-light);
}

/* === HERO === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(3.5rem, 7vw, 4.5rem);
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: #fafafa;
    margin-bottom: 24px;
}

.text-green {
    color: var(--green-light);
}

.text-green-bold {
    color: var(--green-light);
    font-weight: 600;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--border-green);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--green-light);
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 16px;
    color: #a1a1aa;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    letter-spacing: -0.01em;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(to right, var(--green), var(--cyan));
    color: #000;
    font-weight: 600;
    font-size: 13px;
    border-radius: 8px;
    transition: all 0.2s;
    letter-spacing: -0.01em;
}

.cta-button:hover {
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.25);
    transition: all 0.2s;
}

/* === SECTIONS === */
.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 24px;
    text-align: center;
}

.section-label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--gray);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 400;
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-sub {
    font-size: 16px;
    color: #a1a1aa;
    max-width: 650px;
    margin: 0 auto 48px;
    line-height: 1.7;
    letter-spacing: -0.01em;
    font-weight: 400;
}

.badge-pill {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--border-green);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--green-light);
    margin-bottom: 24px;
}

/* === TRUSTED BY === */
.trusted-section {
    padding-top: 40px;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.logo-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
}

.logo-placeholder {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray);
    letter-spacing: -0.01em;
}

.client-logo {
    max-width: 160px;
    max-height: 48px;
    object-fit: contain;
    opacity: 0.85;
    transition: opacity 0.3s;
}

.client-logo:hover {
    opacity: 1;
}

/* === STEPS === */
.steps-container {
    max-width: 100%;
    margin: 48px auto 40px;
    text-align: left;
}

.step-card {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.03), rgba(34, 197, 94, 0.01));
    border: 1px solid rgba(34, 197, 94, 0.15);
    border-radius: 14px;
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: border-color 0.3s;
}

.step-card:hover {
    border-color: rgba(34, 197, 94, 0.3);
}

.step-active {
    border-color: var(--green);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(34, 197, 94, 0.02));
}

.step-icon {
    width: 44px;
    height: 44px;
    background: rgba(74, 222, 128, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-light);
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.step-content p {
    font-size: 14px;
    color: var(--gray);
}

.you-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 10px;
    background: rgba(74, 222, 128, 0.15);
    border: 1px solid var(--green);
    border-radius: 100px;
    color: var(--green-light);
    letter-spacing: 0.05em;
    vertical-align: middle;
    margin-left: 8px;
}

.step-number {
    font-size: 36px;
    font-weight: 600;
    color: var(--green-light);
    opacity: 0.7;
}

.step-arrow {
    text-align: center;
    padding: 8px 0;
}

.highlight-box {
    max-width: 100%;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    text-align: left;
}

.highlight-box p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
}

/* === PROTOCOL GRID === */
.protocol-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 100%;
    margin: 0 auto;
}

.protocol-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    text-align: left;
    transition: border-color 0.3s;
}

.protocol-card:hover {
    border-color: var(--border-green);
}

.protocol-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.protocol-icon {
    width: 44px;
    height: 44px;
    background: rgba(74, 222, 128, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.protocol-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--green-light);
    margin-bottom: 2px;
}

.protocol-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 6px;
}

.protocol-desc {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 20px;
}

.metrics-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--gray);
    margin-bottom: 8px;
}

.metrics {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.metric-tag {
    padding: 5px 12px;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 100px;
    font-size: 12px;
    color: var(--green-light);
    font-weight: 500;
}

/* === CAPACITY === */
.capacity-box {
    background: var(--bg-card);
    border: 1px solid var(--border-green);
    border-radius: 14px;
    padding: 40px;
    text-align: left;
}

.capacity-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 24px;
}

.cap-number {
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 400;
    color: var(--green-light);
    letter-spacing: -0.03em;
}

.cap-unit {
    font-size: 0.5em;
    color: var(--gray);
    font-weight: 600;
}

.cap-label {
    display: block;
    font-size: 13px;
    color: var(--gray);
    margin-top: 4px;
}

/* === METRICS GRID === */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 100%;
    margin: 0 auto 24px;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    text-align: left;
    transition: border-color 0.3s;
}

.metric-card:hover {
    border-color: var(--border-green);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.metric-header .metric-icon-wrap {
    width: 36px;
    height: 36px;
    background: rgba(74, 222, 128, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-change {
    font-size: 13px;
    color: var(--green-light);
    font-weight: 600;
}

.metric-label-sm {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--gray);
    margin-bottom: 4px;
}

.metric-big {
    font-size: 32px;
    font-weight: 700;
    color: var(--green-light);
    letter-spacing: -0.02em;
}

.metric-unit {
    font-size: 14px;
    color: var(--gray);
    font-weight: 500;
}

/* === UPTIME === */
.uptime-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 100%;
    margin: 0 auto 24px;
}

.uptime-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    text-align: left;
}

.uptime-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.uptime-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--gray);
}

.uptime-value {
    font-size: 28px;
    font-weight: 700;
}

.uptime-bar-container {
    margin-top: 8px;
}

.uptime-meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 8px;
}

.uptime-bar {
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.uptime-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--green), var(--cyan));
    border-radius: 4px;
}

/* === SCOPE BANNER === */
.scope-banner {
    max-width: 100%;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-green);
    border-radius: 14px;
    padding: 32px;
    text-align: center;
}

.scope-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--gray);
    margin-bottom: 12px;
}

.scope-text {
    font-size: 15px;
    color: var(--gray);
}

/* === NETWORK DIAGRAM === */
.network-diagram {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 32px;
    max-width: 1000px;
    margin: 48px auto;
    align-items: start;
    text-align: left;
}

.network-side-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.network-side-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.network-side-header p {
    font-size: 13px;
    color: var(--gray);
}

.node-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 8px;
    font-size: 14px;
}

.node-item span {
    font-size: 12px;
    color: var(--gray);
}

.node-item strong {
    font-weight: 600;
}

.node-badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 100px;
    flex-shrink: 0;
}

.routable {
    color: var(--green-light);
    border: 1px solid var(--green);
    background: rgba(34, 197, 94, 0.1);
}

.active-badge {
    color: var(--green-light);
    border: 1px solid var(--green);
    background: rgba(34, 197, 94, 0.1);
}

.routing-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

.routing-hub {
    width: 120px;
    height: 120px;
    background: var(--bg-card);
    border: 2px solid var(--green);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.routing-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--green-light);
    margin-top: 6px;
}

.routing-sub {
    font-size: 11px;
    color: var(--gray);
}

.routing-stat {
    font-size: 12px;
    color: var(--gray);
    text-align: center;
    line-height: 1.5;
}

.network-note {
    max-width: 100%;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    text-align: center;
}

.network-note p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
}

/* === COMPARISON === */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 100%;
    margin: 0 auto;
    text-align: left;
}

.compare-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
}

.compare-new {
    border-color: var(--green);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(34, 197, 94, 0.02));
}

.compare-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.compare-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.compare-header p {
    font-size: 13px;
    color: var(--gray);
}

.compare-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.compare-item {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.old-item {
    color: var(--gray);
}

.new-item {
    color: var(--white);
    background: rgba(74, 222, 128, 0.03);
}

.green-dot {
    width: 6px;
    height: 6px;
    background: var(--green-light);
    border-radius: 50%;
    flex-shrink: 0;
}

.compare-footer {
    display: flex;
    justify-content: space-between;
    padding-top: 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--gray);
}

.compare-footer-label {
    letter-spacing: 0.08em;
}

/* === SHIFT BOX === */
.shift-box {
    max-width: 100%;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-green);
    border-radius: 14px;
    padding: 48px;
    text-align: center;
}

.shift-text {
    font-size: 17px;
    color: var(--gray);
    line-height: 1.8;
}

/* === CTA SECTION === */
.cta-section {
    padding-bottom: 120px;
}

.cta-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 100%;
    margin: 0 auto 40px;
}

.cta-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
    text-align: left;
}

.cta-stat-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--gray);
    margin-top: 12px;
}

.cta-stat-value {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.access-box {
    max-width: 650px;
    margin: 0 auto 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-green);
    border-radius: 14px;
    padding: 36px;
    text-align: left;
}

.access-box h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.access-box p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 8px;
}

.cta-big {
    font-size: 16px;
    padding: 16px 40px;
}

/* === FOOTER === */
.footer {
    border-top: 1px solid var(--border);
    padding: 48px 24px 32px;
}

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

.footer-tagline {
    font-size: 13px;
    color: var(--gray);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 14px;
    color: var(--gray);
    transition: color 0.2s;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 24px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray-dark);
}

/* === ANIMATIONS === */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* === RESPONSIVE === */
@media (max-width: 768px) {
    /* hero already centered */

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

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

    .capacity-stats {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

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

    .network-diagram {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .routing-center {
        padding-top: 0;
    }

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

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

    .footer-container {
        flex-direction: column;
        gap: 24px;
    }

    .step-card {
        flex-wrap: wrap;
    }

    .step-number {
        width: 100%;
        text-align: right;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 60px 16px;
    }

    .hero {
        padding: 100px 16px 60px;
    }
}