/* ==============================================================================
   Radiant Networks (radiantnet.co.za)
   Enterprise IT Infrastructure, Optical Networks & Cloud Telemetry
   High-precision engineering aesthetic, deep contrast, zero AI clichés.
   ============================================================================== */

:root {
    /* Base Color Tokens (Light Mode - Crisp Engineering Laboratory) */
    --color-bg-canvas: #f4f6f9;
    --color-surface-card: #ffffff;
    --color-surface-elevated: #ffffff;
    --color-surface-subtle: #eaedf2;
    --color-surface-inset: #e2e7ef;

    --color-chassis-dark: #080c14;
    --color-chassis-surface: #0f1523;
    --color-chassis-border: #1e283d;

    --color-text-main: #0c111d;
    --color-text-body: #252f40;
    --color-text-muted: #5e6c84;
    --color-text-inverse: #f8fafc;

    --color-border-hairline: #d8e0ec;
    --color-border-medium: #b8c4d8;
    --color-border-focus: #ea580c;

    /* Technical Accent Palette */
    --color-radiant-amber: #ea580c;
    --color-radiant-amber-hover: #c2410c;
    --color-radiant-amber-glow: rgba(234, 88, 12, 0.16);
    --color-photon-cyan: #0284c7;
    --color-photon-cyan-hover: #0369a1;
    --color-telemetry-green: #059669;
    --color-telemetry-green-glow: rgba(5, 150, 105, 0.18);
    --color-signal-red: #dc2626;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;

    /* Architecture & Pacing */
    --container-max-width: 1180px;
    --section-vertical-space: 72px;
    --radius-xs: 3px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    /* Shadows */
    --shadow-soft: 0 1px 3px rgba(12, 17, 29, 0.04), 0 4px 12px rgba(12, 17, 29, 0.03);
    --shadow-card: 0 2px 8px rgba(12, 17, 29, 0.05), 0 10px 24px rgba(12, 17, 29, 0.04);
    --shadow-elevated: 0 8px 32px rgba(12, 17, 29, 0.08);
}

/* ==============================================================================
   DARK THEME VARIABLES (Obsidian Cockpit / Mission-Critical Telemetry)
   ============================================================================== */
[data-theme="dark"] {
    --color-bg-canvas: #07090e;
    --color-surface-card: #0d111a;
    --color-surface-elevated: #131824;
    --color-surface-subtle: #171d2c;
    --color-surface-inset: #0a0d14;

    --color-chassis-dark: #07090e;
    --color-chassis-surface: #0f1522;
    --color-chassis-border: #1f293d;

    --color-text-main: #f8fafc;
    --color-text-body: #cbd5e1;
    --color-text-muted: #828fa6;
    --color-text-inverse: #0c111d;

    --color-border-hairline: #1b2333;
    --color-border-medium: #2a364f;
    --color-border-focus: #f97316;

    --color-radiant-amber: #f97316;
    --color-radiant-amber-hover: #ea580c;
    --color-radiant-amber-glow: rgba(249, 115, 22, 0.22);
    --color-photon-cyan: #38bdf8;
    --color-photon-cyan-hover: #0ea5e9;
    --color-telemetry-green: #10b981;
    --color-telemetry-green-glow: rgba(16, 185, 129, 0.25);

    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.6);
    --shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.75);
}

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

html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-body);
    background-color: var(--color-bg-canvas);
    background-image: 
        linear-gradient(to right, rgba(120, 140, 170, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(120, 140, 170, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    overflow-x: hidden;
    transition: background-color 0.2s ease, color 0.2s ease;
}

[data-theme="dark"] body {
    background-image: 
        linear-gradient(to right, rgba(56, 189, 248, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

/* ==============================================================================
   1. TELEMETRY STATUS TICKER (Hardware & Network Backbone Bar)
   ============================================================================== */
.telemetry-ticker-bar {
    background-color: var(--color-chassis-dark);
    color: #94a3b8;
    border-bottom: 1px solid var(--color-chassis-border);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.6px;
    padding: 6px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1050;
    position: relative;
}

.ticker-left-metrics {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ticker-pulse-green {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-telemetry-green);
    box-shadow: 0 0 0 2px var(--color-telemetry-green-glow);
    animation: telemetryPulse 2s infinite ease-in-out;
}

@keyframes telemetryPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(0.9); }
}

.ticker-val {
    color: #f8fafc;
    font-weight: 700;
}

.ticker-right-quicklinks {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ticker-partner-link {
    color: #38bdf8;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ticker-partner-link:hover {
    color: #7dd3fc;
    text-decoration: underline;
}

/* ==============================================================================
   2. SITE HEADER & NAVIGATION
   ============================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(244, 246, 249, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border-hairline);
    transition: background-color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

[data-theme="dark"] .site-header {
    background-color: rgba(7, 9, 14, 0.92);
    border-bottom-color: var(--color-border-hairline);
}

.site-header.is-scrolled {
    background-color: var(--color-surface-card);
    box-shadow: var(--shadow-card);
}

[data-theme="dark"] .site-header.is-scrolled {
    background-color: rgba(13, 17, 26, 0.96);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* Brand Identity */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-icon-wrap {
    flex-shrink: 0;
    position: relative;
}

.brand-text-col {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--color-text-main);
    line-height: 1.15;
}

.brand-subline {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* Desktop Navigation */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

.desktop-nav a {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--color-text-body);
    position: relative;
    padding: 6px 0;
}

.desktop-nav a:hover {
    color: var(--color-radiant-amber);
}

.desktop-nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-radiant-amber);
    transition: width 0.2s ease;
}

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

.nav-tag-partner {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-photon-cyan) !important;
    font-weight: 700;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-email-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    font-weight: 600;
    color: var(--color-text-body);
    background-color: var(--color-surface-subtle);
    border: 1px solid var(--color-border-hairline);
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.header-email-pill:hover {
    border-color: var(--color-radiant-amber);
    color: var(--color-radiant-amber);
    background-color: var(--color-surface-card);
}

.status-indicator-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--color-telemetry-green);
    box-shadow: 0 0 0 2px var(--color-telemetry-green-glow);
}

.btn-header-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--color-radiant-amber);
    color: #ffffff !important;
    font-size: 13.5px;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 2px 10px var(--color-radiant-amber-glow);
    transition: background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-header-cta:hover {
    background-color: var(--color-radiant-amber-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--color-radiant-amber-glow);
}

/* Theme Toggle Button */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--radius-sm);
    color: var(--color-text-body);
    cursor: pointer;
    padding: 0;
    transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease, background-color 0.15s ease;
}

.theme-toggle:hover {
    border-color: var(--color-radiant-amber);
    color: var(--color-radiant-amber);
    transform: translateY(-1px);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: block;
    stroke: #fbbf24;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: none;
}

/* Mobile Toggle */
.menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 7px 8px;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px;
    height: 36px;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.menu-toggle .bar {
    width: 20px;
    height: 2px;
    background-color: var(--color-text-main);
    border-radius: 1px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.is-active .bar:first-child {
    transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle.is-active .bar:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
    display: none;
    background-color: var(--color-surface-card);
    border-top: 1px solid var(--color-border-hairline);
    box-shadow: var(--shadow-elevated);
}

.mobile-drawer.is-open {
    display: block;
}

.mobile-drawer-inner {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 18px 24px 28px 24px;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
}

.mobile-link {
    display: block;
    padding: 13px 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-main);
    border-bottom: 1px solid var(--color-border-hairline);
}

.mobile-link:hover {
    color: var(--color-radiant-amber);
}

.mobile-drawer-cta {
    margin-top: 20px;
}

.btn-mobile-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-radiant-amber);
    color: #ffffff !important;
    font-size: 15px;
    font-weight: 700;
    padding: 13px 20px;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s ease;
}

.mobile-contact-bar {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px dashed var(--color-border-hairline);
    font-family: var(--font-mono);
}

.mobile-direct-label {
    display: block;
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.mobile-direct-email {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-radiant-amber);
    text-decoration: underline;
}

/* ==============================================================================
   3. HERO SECTION (Carrier-Grade Infrastructure Architecture)
   ============================================================================== */
.hero-section {
    padding: 64px 0 54px 0;
    position: relative;
    border-bottom: 1px solid var(--color-border-hairline);
    background: radial-gradient(circle at 80% 20%, rgba(234, 88, 12, 0.05) 0%, transparent 65%);
}

[data-theme="dark"] .hero-section {
    background: radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.hero-grid-layout {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 48px;
    align-items: center;
}

/* Left Hero Copy */
.hero-kicker-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-border-hairline);
    padding: 6px 14px;
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
    margin-bottom: 22px;
}

.badge-telemetry-chip {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-radiant-amber);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-divider {
    color: var(--color-border-medium);
}

.badge-sla-text {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--color-text-body);
}

.hero-headline {
    font-size: clamp(2.2rem, 3.8vw, 3.3rem);
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: -0.03em;
    color: var(--color-text-main);
    margin-bottom: 18px;
}

.hero-headline .text-gradient-amber {
    color: var(--color-radiant-amber);
}

.hero-lead {
    font-size: 17.5px;
    line-height: 1.64;
    color: var(--color-text-body);
    margin-bottom: 30px;
    max-width: 620px;
}

.hero-actions-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 36px;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--color-radiant-amber);
    color: #ffffff !important;
    font-size: 15px;
    font-weight: 700;
    padding: 14px 26px;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 18px var(--color-radiant-amber-glow);
    transition: background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-hero-primary:hover {
    background-color: var(--color-radiant-amber-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--color-radiant-amber-glow);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-surface-card);
    color: var(--color-text-main);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    padding: 13px 22px;
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-soft);
    transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.btn-hero-secondary:hover {
    border-color: var(--color-radiant-amber);
    color: var(--color-radiant-amber);
    transform: translateY(-2px);
}

/* Quick Hero Verification Specs */
.hero-partner-endorsement {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border-hairline);
    padding-top: 18px;
}

.partner-logo-mini {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--color-photon-cyan);
    background-color: rgba(2, 132, 199, 0.08);
    border: 1px solid rgba(2, 132, 199, 0.2);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
}

.hero-partner-endorsement a {
    color: var(--color-photon-cyan);
    font-weight: 700;
    text-decoration: underline;
}

.hero-partner-endorsement a:hover {
    color: var(--color-photon-cyan-hover);
}

/* Right Hero Telemetry Card */
.telemetry-chassis-card {
    background-color: var(--color-chassis-dark);
    border: 1px solid var(--color-chassis-border);
    border-radius: var(--radius-md);
    padding: 24px;
    color: #f8fafc;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
}

.telemetry-chassis-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-radiant-amber) 0%, var(--color-photon-cyan) 100%);
}

.card-terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--color-chassis-border);
    margin-bottom: 18px;
}

.terminal-title-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
}

.terminal-node-status {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-telemetry-green);
    background-color: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
}

.terminal-specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 20px;
}

.spec-datum-box {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
}

.spec-datum-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: #94a3b8;
    text-transform: uppercase;
    margin-bottom: 3px;
}

.spec-datum-value {
    font-size: 15px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.spec-datum-value.val-amber {
    color: var(--color-radiant-amber);
}

.spec-datum-value.val-cyan {
    color: var(--color-photon-cyan);
}

/* Mini Route Terminal Block */
.terminal-route-log {
    background-color: #04060a;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    color: #cbd5e1;
}

.log-line {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.log-prompt {
    color: #64748b;
}

.log-route {
    color: #f8fafc;
    font-weight: 600;
}

.log-lat {
    color: var(--color-telemetry-green);
    font-weight: 700;
}

/* ==============================================================================
   4. SECTION SHARED ARCHITECTURE & HEADINGS
   ============================================================================== */
.section-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-head-wrap {
    margin-bottom: 40px;
    max-width: 840px;
}

.section-eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--color-radiant-amber);
    margin-bottom: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.section-eyebrow::before {
    content: "■";
    font-size: 10px;
    color: var(--color-radiant-amber);
}

.section-title {
    font-size: clamp(1.85rem, 3.2vw, 2.5rem);
    font-weight: 800;
    line-height: 1.22;
    letter-spacing: -0.025em;
    color: var(--color-text-main);
    margin-bottom: 14px;
}

.section-lead {
    font-size: 16.5px;
    line-height: 1.64;
    color: var(--color-text-body);
}

/* ==============================================================================
   5. CORE INFRASTRUCTURE CAPABILITIES (6 Pillars of Engineering)
   ============================================================================== */
.capabilities-section {
    padding: var(--section-vertical-space) 0;
    border-bottom: 1px solid var(--color-border-hairline);
    background-color: var(--color-surface-card);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 22px;
}

.capability-card {
    background-color: var(--color-bg-canvas);
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--radius-sm);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-soft);
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

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

.capability-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border-hairline);
}

.cap-badge-id {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
}

.cap-status-pill {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-radiant-amber);
    background-color: var(--color-radiant-amber-glow);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
}

.cap-heading {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.015em;
    color: var(--color-text-main);
    margin-bottom: 10px;
    line-height: 1.3;
}

.cap-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-body);
    margin-bottom: 20px;
    flex-grow: 1;
}

.cap-specs-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
    border-top: 1px dashed var(--color-border-hairline);
    padding-top: 14px;
}

.cap-specs-list li {
    font-size: 13.5px;
    color: var(--color-text-body);
    line-height: 1.5;
    position: relative;
    padding-left: 20px;
}

.cap-specs-list li::before {
    content: "►";
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 9px;
    color: var(--color-radiant-amber);
}

/* ==============================================================================
   6. STRATEGIC CLOUD PARTNER SPOTLIGHT (NRG IT - https://nrg.name)
   ============================================================================== */
.partner-spotlight-section {
    padding: var(--section-vertical-space) 0;
    border-bottom: 1px solid var(--color-border-hairline);
    background-color: var(--color-bg-canvas);
}

.partner-chassis-container {
    background-color: var(--color-chassis-dark);
    border: 1px solid var(--color-chassis-border);
    border-radius: var(--radius-md);
    padding: 42px 46px;
    color: #f8fafc;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    position: relative;
}

.partner-chassis-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    bottom: 0;
    background: linear-gradient(180deg, var(--color-photon-cyan) 0%, var(--color-radiant-amber) 100%);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.partner-meta-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-chassis-border);
}

.partner-protocol-tag {
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: #38bdf8;
    text-transform: uppercase;
}

.partner-interconnect-pill {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    color: #94a3b8;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3px 10px;
    border-radius: var(--radius-xs);
}

.partner-content-split {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 44px;
    align-items: center;
}

.partner-heading {
    font-size: clamp(1.65rem, 2.6vw, 2.15rem);
    font-weight: 800;
    line-height: 1.24;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 16px;
}

.partner-link-highlight {
    color: #38bdf8 !important;
    text-decoration: underline !important;
    text-underline-offset: 4px;
}

.partner-link-highlight:hover {
    color: #7dd3fc !important;
}

.partner-lead-copy {
    font-size: 16px;
    line-height: 1.65;
    color: #cbd5e1;
    margin-bottom: 16px;
}

.partner-lead-copy strong {
    color: #ffffff;
}

.partner-sub-copy {
    font-size: 14.5px;
    line-height: 1.6;
    color: #94a3b8;
    margin-bottom: 26px;
}

.partner-cta-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.btn-visit-partner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #0284c7;
    color: #ffffff !important;
    font-size: 14.5px;
    font-weight: 700;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 16px rgba(2, 132, 199, 0.35);
    transition: background-color 0.15s ease, transform 0.15s ease;
}

.btn-visit-partner:hover {
    background-color: #0369a1;
    transform: translateY(-1px);
}

.btn-inquire-cloud {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: #cbd5e1;
    border: 1px solid rgba(255, 255, 255, 0.22);
    padding: 11px 20px;
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease, color 0.15s ease;
}

.btn-inquire-cloud:hover {
    border-color: #ffffff;
    color: #ffffff;
}

/* Partner Specs Column */
.partner-specs-box {
    background-color: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.partner-spec-node {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.partner-spec-node .node-icon {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: #38bdf8;
    background-color: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.25);
    padding: 3px 7px;
    border-radius: 3px;
    margin-top: 2px;
}

.partner-spec-node strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 2px;
}

.partner-spec-node p {
    font-size: 13.5px;
    line-height: 1.5;
    color: #94a3b8;
    margin: 0;
}

/* ==============================================================================
   7. LIVE REGIONAL LATENCY & IXP PEERING MATRIX
   ============================================================================== */
.peering-section {
    padding: var(--section-vertical-space) 0;
    border-bottom: 1px solid var(--color-border-hairline);
    background-color: var(--color-surface-card);
}

.peering-table-card {
    background-color: var(--color-bg-canvas);
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.peering-table-header {
    background-color: var(--color-surface-subtle);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border-hairline);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-main);
}

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

.peering-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.peering-table th {
    background-color: var(--color-surface-subtle);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--color-border-hairline);
}

.peering-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border-hairline);
    color: var(--color-text-body);
}

.peering-table tr:last-child td {
    border-bottom: none;
}

.peering-table tr:hover td {
    background-color: var(--color-surface-subtle);
}

.node-point-name {
    font-weight: 700;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.latency-metric {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--color-telemetry-green);
}

.route-capacity {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
}

.status-badge-active {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-telemetry-green);
    background-color: var(--color-telemetry-green-glow);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
}

/* ==============================================================================
   8. SLA & OPERATIONAL STANDARDS GRID
   ============================================================================== */
.sla-section {
    padding: var(--section-vertical-space) 0;
    border-bottom: 1px solid var(--color-border-hairline);
    background-color: var(--color-bg-canvas);
}

.sla-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.sla-card {
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-border-hairline);
    border-top: 3px solid var(--color-radiant-amber);
    border-radius: var(--radius-sm);
    padding: 26px 22px;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    transition: transform 0.15s ease, border-color 0.15s ease;
}

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

.sla-number {
    font-family: var(--font-mono);
    font-size: 26px;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--color-radiant-amber);
    margin-bottom: 4px;
}

.sla-label {
    font-size: 16px;
    font-weight: 800;
    color: var(--color-text-main);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.sla-detail {
    font-size: 14px;
    line-height: 1.55;
    color: var(--color-text-muted);
}

/* ==============================================================================
   9. ARCHITECTURE CONSULTATION & CONTACT DESK
   ============================================================================== */
.contact-desk-section {
    padding: var(--section-vertical-space) 0;
    background-color: var(--color-surface-card);
}

.contact-split-wrap {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 44px;
    align-items: flex-start;
}

/* Left Contact Column */
.contact-info-col {
    padding-right: 12px;
}

.contact-direct-card {
    background-color: var(--color-bg-canvas);
    border: 1px solid var(--color-border-hairline);
    border-left: 4px solid var(--color-radiant-amber);
    border-radius: var(--radius-sm);
    padding: 22px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-soft);
}

.direct-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-radiant-amber);
    margin-bottom: 6px;
}

.direct-email-link {
    font-size: clamp(1.2rem, 2vw, 1.45rem);
    font-weight: 800;
    color: var(--color-text-main);
    letter-spacing: -0.02em;
    text-decoration: underline;
    text-underline-offset: 3px;
    display: inline-block;
    margin-bottom: 8px;
    transition: color 0.15s ease;
}

.direct-email-link:hover {
    color: var(--color-radiant-amber);
}

.direct-note {
    font-size: 13.5px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.noc-emergency-card {
    background-color: var(--color-chassis-dark);
    border: 1px solid var(--color-chassis-border);
    border-radius: var(--radius-sm);
    padding: 20px 22px;
    color: #ffffff;
    margin-bottom: 26px;
}

.noc-title {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--color-telemetry-green);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.noc-lead {
    font-size: 13.5px;
    color: #94a3b8;
    line-height: 1.5;
}

.infrastructure-hubs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid var(--color-border-hairline);
    padding-top: 20px;
}

.hub-row {
    display: flex;
    gap: 12px;
    font-size: 14px;
}

.hub-name {
    font-weight: 700;
    color: var(--color-text-main);
    width: 140px;
    flex-shrink: 0;
}

.hub-loc {
    color: var(--color-text-body);
}

/* Right Form Card */
.form-chassis-card {
    background-color: var(--color-bg-canvas);
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--radius-md);
    padding: 32px 34px;
    box-shadow: var(--shadow-card);
}

.form-head-block {
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--color-border-hairline);
}

.form-main-title {
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -0.015em;
    color: var(--color-text-main);
    margin-bottom: 4px;
}

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

/* Status Alert */
.form-status-alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
    display: none;
}

.form-status-alert.is-success {
    display: block;
    background-color: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #047857;
}

[data-theme="dark"] .form-status-alert.is-success {
    color: #34d399;
}

.form-status-alert.is-error {
    display: block;
    background-color: rgba(220, 38, 38, 0.12);
    border: 1px solid rgba(220, 38, 38, 0.35);
    color: #b91c1c;
}

[data-theme="dark"] .form-status-alert.is-error {
    color: #f87171;
}

/* Form Groups & Inputs */
.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-field-group {
    margin-bottom: 16px;
}

.field-label {
    display: block;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 6px;
}

.req-star {
    color: var(--color-radiant-amber);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 14.5px;
    color: var(--color-text-main);
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-radiant-amber);
    box-shadow: 0 0 0 3px var(--color-radiant-amber-glow);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.field-err-msg {
    display: block;
    font-size: 12px;
    color: var(--color-signal-red);
    margin-top: 4px;
    font-weight: 600;
}

.form-submit-row {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-form-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--color-radiant-amber);
    color: #ffffff;
    border: none;
    font-size: 15px;
    font-weight: 700;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    box-shadow: 0 4px 16px var(--color-radiant-amber-glow);
    transition: background-color 0.15s ease, transform 0.15s ease;
}

.btn-form-submit:hover:not(:disabled) {
    background-color: var(--color-radiant-amber-hover);
    transform: translateY(-1px);
}

.btn-form-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.btn-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-form-submit.is-submitting .btn-spinner {
    display: inline-block;
}

.btn-form-submit.is-submitting .btn-text-normal {
    display: none;
}

.privacy-notice {
    font-size: 12px;
    color: var(--color-text-muted);
    text-align: center;
}

/* ==============================================================================
   10. SITE FOOTER
   ============================================================================== */
.site-footer {
    background-color: var(--color-chassis-dark);
    border-top: 1px solid var(--color-chassis-border);
    color: #ffffff;
    padding: 60px 0 34px 0;
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-top-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 44px;
}

.footer-brand-title {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #ffffff;
    display: inline-block;
    margin-bottom: 12px;
}

.footer-brand-desc {
    font-size: 14px;
    line-height: 1.6;
    color: #94a3b8;
    max-width: 340px;
    margin-bottom: 18px;
}

.footer-email-link {
    font-family: var(--font-mono);
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-radiant-amber);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-email-link:hover {
    color: #fb923c;
}

.footer-heading {
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: #cbd5e1;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.footer-links-list a {
    font-size: 14px;
    color: #94a3b8;
}

.footer-links-list a:hover {
    color: #ffffff;
}

.footer-partner-link {
    color: #38bdf8 !important;
    font-weight: 600;
}

.footer-hub-text {
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
}

.footer-hub-sub {
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 16px;
}

.footer-domain-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 700;
    color: var(--color-radiant-amber);
    background-color: rgba(249, 115, 22, 0.08);
    border: 1px solid rgba(249, 115, 22, 0.2);
    padding: 3px 10px;
    border-radius: var(--radius-xs);
}

.footer-bottom-row {
    padding-top: 24px;
    border-top: 1px solid var(--color-chassis-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 13px;
    color: #64748b;
}

.footer-partner-attribution a {
    color: #38bdf8;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-partner-attribution a:hover {
    color: #7dd3fc;
}

/* ==============================================================================
   11. FLOATING BACK TO TOP BUTTON
   ============================================================================== */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 950;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background-color: var(--color-chassis-dark);
    border: 1px solid var(--color-chassis-border);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-radiant-amber);
    border-color: var(--color-radiant-amber);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--color-radiant-amber-glow);
}

/* ==============================================================================
   12. 404 DIAGNOSTIC PAGE STYLES
   ============================================================================== */
.error-diag-section {
    padding: 72px 0 80px 0;
    min-height: calc(100vh - 350px);
    display: flex;
    align-items: center;
}

.error-diag-card {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
}

.error-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-radiant-amber);
    background-color: var(--color-radiant-amber-glow);
    border: 1px solid rgba(234, 88, 12, 0.25);
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.error-huge-code {
    font-family: var(--font-mono);
    font-size: clamp(4rem, 9vw, 6.5rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.05em;
    color: var(--color-radiant-amber);
    margin-bottom: 12px;
}

.error-title {
    font-size: clamp(1.6rem, 2.8vw, 2.3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-text-main);
    margin-bottom: 14px;
}

.error-desc {
    font-size: 16.5px;
    line-height: 1.62;
    color: var(--color-text-body);
    max-width: 600px;
    margin: 0 auto 32px auto;
}

.error-actions-cluster {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 40px;
}

.error-shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
    text-align: left;
    margin-top: 24px;
    padding-top: 28px;
    border-top: 1px solid var(--color-border-hairline);
}

.error-shortcut-box {
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-border-hairline);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--shadow-soft);
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.error-shortcut-box:hover {
    transform: translateY(-2px);
    border-color: var(--color-radiant-amber);
    box-shadow: var(--shadow-card);
}

.error-shortcut-box strong {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.error-shortcut-box strong::after {
    content: "→";
    color: var(--color-radiant-amber);
    transition: transform 0.15s ease;
}

.error-shortcut-box:hover strong::after {
    transform: translateX(3px);
}

.error-shortcut-box p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-text-muted);
    margin: 0;
}

/* ==============================================================================
   13. RESPONSIVE MEDIA QUERIES
   ============================================================================== */
@media (max-width: 992px) {
    .hero-grid-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .partner-content-split {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-split-wrap {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-top-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-vertical-space: 50px;
    }

    .telemetry-ticker-bar {
        display: none;
    }

    .desktop-nav, .header-email-pill, .btn-header-cta {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .header-actions {
        gap: 10px;
    }

    .hero-section {
        padding: 44px 0 36px 0;
    }

    .form-row-2col {
        grid-template-columns: 1fr;
    }

    .partner-chassis-container {
        padding: 28px 22px;
    }

    .form-chassis-card {
        padding: 24px 20px;
    }

    .footer-top-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-bottom-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}