/* ==========================================================================
   TEMPLATE 1 — TECHNOLOGY & IT SERVICES (NexaCore IT Solutions)
   Aesthetic: High-Craft Dark-Mode Technical Architecture
   ========================================================================== */

:root {
  /* Core Palette */
  --bg-obsidian: #0B0F19;
  --bg-panel: #111827;
  --bg-card: #1E293B;
  --bg-card-hover: #243247;
  --border-subtle: #1E293B;
  --border-elevated: #334155;
  --border-highlight: rgba(6, 182, 212, 0.45);

  /* Accents */
  --accent-cyan: #06B6D4;
  --accent-cyan-bright: #22D3EE;
  --accent-blue: #3B82F6;
  --accent-blue-deep: #2563EB;
  --accent-emerald: #10B981;
  --accent-danger: #F87171;

  /* Text */
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;

  /* Typography */
  --font-sans: 'Segoe UI', Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Cascadia Code', Consolas, 'Courier New', monospace;

  /* Layout & Effects */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-lg: 0 20px 45px -15px rgba(2, 6, 23, 0.75);
  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  background-color: var(--bg-obsidian);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-obsidian);
  color: var(--text-primary);
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 15% 8%, rgba(6, 182, 212, 0.08), transparent 35%),
    radial-gradient(circle at 85% 22%, rgba(59, 130, 246, 0.08), transparent 38%);
}

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

a {
  color: var(--accent-cyan-bright);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul {
  list-style: none;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-elevated);
  padding: 0.12rem 0.4rem;
  border-radius: 4px;
  color: var(--accent-cyan-bright);
}

.mono-text {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.text-cyan {
  color: var(--accent-cyan-bright);
}

.text-gradient {
  background: linear-gradient(135deg, #22D3EE 0%, #38BDF8 50%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--accent-cyan);
  color: var(--bg-obsidian);
  font-weight: 700;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
}

.skip-link:focus {
  top: 1rem;
}

/* ==========================================================================
   1. Top Utility Bar
   ========================================================================== */
.utility-bar {
  background: #070A12;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.5rem 0;
}

.utility-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.utility-bar__status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-secondary);
}

.utility-bar__status strong {
  color: var(--text-primary);
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
  display: inline-block;
}

.utility-bar__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.utility-bar__label {
  color: var(--text-muted);
  margin-right: 0.25rem;
}

.utility-bar__divider {
  color: var(--border-elevated);
}

.utility-bar__link {
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.utility-bar__cta {
  color: var(--accent-cyan-bright);
  font-weight: 600;
}

/* ==========================================================================
   2. Sticky Glassmorphic Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 25, 0.84);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.55);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
}

.brand__logo {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.brand__tag {
  font-size: 0.68rem;
  color: var(--accent-cyan-bright);
  margin-top: 0.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav__link {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.site-nav__link:hover,
.site-nav__link.active {
  color: var(--text-primary);
  background: rgba(30, 41, 59, 0.65);
}

.nav-toggle {
  display: none;
  background: var(--bg-panel);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-sm);
  padding: 0.55rem;
  cursor: pointer;
  color: var(--text-primary);
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  margin: 4px 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.78rem 1.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn--sm {
  padding: 0.52rem 1rem;
  font-size: 0.86rem;
}

.btn--full {
  width: 100%;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
  color: #06101E;
  font-weight: 700;
  box-shadow: 0 8px 22px -6px rgba(6, 182, 212, 0.45);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px -6px rgba(6, 182, 212, 0.65);
  color: #040911;
}

.btn--secondary {
  background: rgba(30, 41, 59, 0.75);
  color: var(--text-primary);
  border-color: var(--border-elevated);
}

.btn--secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

/* ==========================================================================
   3. Hero Section (#home)
   ========================================================================== */
.hero {
  position: relative;
  padding: 4.5rem 0 5rem;
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 3rem;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid var(--border-elevated);
  border-radius: 999px;
  padding: 0.32rem 0.9rem 0.32rem 0.45rem;
  margin-bottom: 1.4rem;
}

.tech-badge__code {
  background: rgba(6, 182, 212, 0.16);
  color: var(--accent-cyan-bright);
  border: 1px solid rgba(6, 182, 212, 0.4);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
}

.tech-badge__text {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.hero__title {
  font-size: clamp(2.15rem, 4vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.hero__subtitle {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 58ch;
  margin-bottom: 2rem;
}

.hero__subtitle strong {
  color: var(--text-primary);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2.5rem;
}

.metrics-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
}

.metrics-bar__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  border-right: 1px solid var(--border-subtle);
  padding-right: 0.75rem;
}

.metrics-bar__item:last-child {
  border-right: none;
  padding-right: 0;
}

.metrics-bar__value {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--accent-cyan-bright);
}

.metrics-bar__label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.visual-frame {
  background: var(--bg-panel);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.visual-frame__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  background: #0D1322;
  border-bottom: 1px solid var(--border-subtle);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-elevated);
}

.window-dots span:nth-child(1) { background: #EF4444; }
.window-dots span:nth-child(2) { background: #F59E0B; }
.window-dots span:nth-child(3) { background: #10B981; }

.visual-frame__title {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.visual-frame__badge {
  font-size: 0.68rem;
  color: var(--accent-cyan-bright);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.35);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.visual-frame__img {
  width: 100%;
  height: auto;
}

/* ==========================================================================
   Section Defaults
   ========================================================================== */
.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section--alt {
  background-color: var(--bg-panel);
}

.section-header {
  max-width: 760px;
  margin-bottom: 3rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-cyan-bright);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
}

.section-lead {
  color: var(--text-muted);
  font-size: 1.02rem;
}

/* ==========================================================================
   4. About Section (#about)
   ========================================================================== */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.method-card {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

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

.method-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.method-card__num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan-bright);
}

.method-card__tag {
  font-size: 0.68rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.14);
  color: #93C5FD;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.method-card__title {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.method-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
  flex-grow: 1;
}

.method-card__list {
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.method-card__list li::before {
  content: "▹ ";
  color: var(--accent-cyan-bright);
  font-family: var(--font-mono);
}

.about-split {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1.75rem;
  align-items: stretch;
}

.about-topology {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.about-topology__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.76rem;
}

.about-topology__label {
  color: var(--text-secondary);
}

.about-topology__status {
  color: var(--accent-emerald);
}

.about-topology__img {
  width: 100%;
  height: auto;
  margin: auto 0;
}

.profile-card {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.profile-card__badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-cyan-bright);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.35);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 0.6rem;
}

.profile-card__title {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.profile-card__note {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-bottom: 1.15rem;
}

.profile-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 1.35rem;
}

.profile-list__row {
  display: flex;
  flex-direction: column;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
}

.profile-list__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.profile-list__row dt {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.profile-list__row dd {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================================================
   5. Services Section (#services)
   ========================================================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-panel);
  color: var(--text-secondary);
  border: 1px solid var(--border-elevated);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.filter-btn.active {
  background: rgba(6, 182, 212, 0.16);
  border-color: var(--accent-cyan-bright);
  color: var(--text-primary);
}

.filter-btn__count {
  font-size: 0.75rem;
  background: rgba(15, 23, 42, 0.85);
  color: var(--accent-cyan-bright);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4.5rem;
}

.service-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.service-card[hidden] {
  display: none !important;
}

.service-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.service-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.service-card__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  gap: 0.25rem;
}

.service-card__cat {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan-bright);
}

.service-card__sla {
  font-size: 0.68rem;
  color: var(--text-muted);
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-elevated);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.service-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.service-card__desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.service-card__scope {
  background: rgba(11, 15, 25, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-card__scope-title {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.service-card__list li::before {
  content: "✓ ";
  color: var(--accent-cyan-bright);
  font-weight: 700;
}

.service-card__footer {
  padding-top: 0.5rem;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan-bright);
}

/* ==========================================================================
   6. Interactive Tool (#estimator) — IT Support & Cloud Scope Estimator
   ========================================================================== */
.estimator-wrapper {
  background: linear-gradient(180deg, #111827 0%, #0D1424 100%);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.estimator-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.75rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-elevated);
}

.estimator-title {
  font-size: clamp(1.45rem, 2.5vw, 1.9rem);
  font-weight: 800;
  margin-bottom: 0.45rem;
}

.estimator-subtitle {
  color: var(--text-muted);
  max-width: 68ch;
  font-size: 0.95rem;
}

.estimator-badge {
  background: rgba(6, 182, 212, 0.14);
  color: var(--accent-cyan-bright);
  border: 1px solid rgba(6, 182, 212, 0.4);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.25rem;
  align-items: start;
}

.estimator-controls {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.control-group {
  background: rgba(11, 15, 25, 0.7);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.control-group__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.control-label {
  display: block;
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.control-group__header .control-label {
  margin-bottom: 0;
}

.control-output {
  background: rgba(6, 182, 212, 0.16);
  color: var(--accent-cyan-bright);
  border: 1px solid rgba(6, 182, 212, 0.4);
  padding: 0.25rem 0.7rem;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 700;
}

/* Range Slider */
.range-slider {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  height: 8px;
  border-radius: 999px;
  background: var(--bg-card);
  outline: none;
  margin: 0.5rem 0 0.65rem;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-cyan-bright);
  border: 3px solid var(--bg-obsidian);
  box-shadow: 0 0 0 2px var(--accent-cyan);
  cursor: pointer;
}

.range-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-cyan-bright);
  border: 3px solid var(--bg-obsidian);
  box-shadow: 0 0 0 2px var(--accent-cyan);
  cursor: pointer;
}

.range-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Infrastructure Radio Selector */
.infra-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.infra-option {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-sm);
  padding: 0.9rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: all var(--transition-fast);
}

.infra-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.infra-option.active,
.infra-option:hover {
  border-color: var(--accent-cyan-bright);
  background: rgba(6, 182, 212, 0.1);
}

.infra-option__title {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.infra-option__desc {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* Addon Checkboxes */
.addon-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.addon-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 0.8rem 0.95rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.addon-item:hover {
  border-color: var(--accent-cyan);
}

.addon-item input {
  margin-top: 0.25rem;
  accent-color: var(--accent-cyan);
  width: 17px;
  height: 17px;
  cursor: pointer;
}

.addon-item__content {
  display: flex;
  flex-direction: column;
}

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

.addon-item__meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Estimator Output Panel */
.estimator-output {
  background: var(--bg-obsidian);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.estimator-output__eyebrow {
  font-size: 0.72rem;
  color: var(--accent-cyan-bright);
  font-weight: 700;
}

.estimator-output__tier {
  font-size: 1.45rem;
  font-weight: 800;
  margin: 0.25rem 0 0.4rem;
}

.estimator-output__summary {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.estimator-price-box {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.2rem;
}

.estimator-price-box__label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.estimator-price-box__value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-cyan-bright);
}

.estimator-price-box__value small {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.estimator-price-box__note {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.estimator-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.95rem 0;
  font-size: 0.85rem;
}

.estimator-breakdown__row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--text-muted);
}

.estimator-breakdown__row strong {
  color: var(--text-primary);
}

.estimator-deliverables__title {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.estimator-deliverables__list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.estimator-deliverables__list li::before {
  content: "→ ";
  color: var(--accent-cyan-bright);
  font-family: var(--font-mono);
}

/* ==========================================================================
   7. Contact Section (#contact)
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.25rem;
  align-items: start;
}

.contact-form-card {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.contact-form-card__header {
  margin-bottom: 1.5rem;
}

.contact-form-card__code {
  font-size: 0.74rem;
  color: var(--accent-cyan-bright);
}

.contact-form-card__title {
  font-size: 1.35rem;
  margin-top: 0.25rem;
}

.consult-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.req {
  color: var(--accent-cyan-bright);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-panel);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-sm);
  padding: 0.72rem 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan-bright);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
  border-color: var(--accent-danger);
}

.form-error {
  font-size: 0.78rem;
  color: var(--accent-danger);
  min-height: 1rem;
}

.form-privacy-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.65rem;
}

/* Confirmation Box */
.form-confirmation {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.form-confirmation__badge {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  color: #34D399;
  margin-bottom: 0.5rem;
}

.form-confirmation__title {
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}

.form-confirmation__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.15rem;
}

.form-confirmation__summary {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.25rem;
  display: grid;
   gap: 0.5rem;
  font-size: 0.85rem;
}

.form-confirmation__summary div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.4rem;
}

.form-confirmation__summary div:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

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

.form-confirmation__summary dd {
  color: var(--text-primary);
  font-weight: 600;
  text-align: right;
}

/* Contact Sidebar & FAQ */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.noc-card {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-md);
  padding: 1.6rem;
}

.noc-card__tag {
  font-size: 0.72rem;
  color: var(--accent-cyan-bright);
}

.noc-card__title {
  font-size: 1.2rem;
  margin: 0.3rem 0 1rem;
}

.noc-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.9rem;
}

.noc-card__label {
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 0.4rem;
}

.faq-block {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-md);
  padding: 1.6rem;
}

.faq-block__title {
  font-size: 1.12rem;
  margin-bottom: 1rem;
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.accordion__item {
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-sm);
  background: var(--bg-panel);
  overflow: hidden;
}

.accordion__trigger {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: left;
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  cursor: pointer;
}

.accordion__icon {
  color: var(--accent-cyan-bright);
  font-size: 1.1rem;
}

.accordion__panel {
  padding: 0 1rem 0.95rem;
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* ==========================================================================
   8. Privacy Policy Section (#privacy)
   ========================================================================== */
.privacy-shell {
  background: var(--bg-panel);
  border: 1px solid var(--border-elevated);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.privacy-header {
  border-bottom: 1px solid var(--border-elevated);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.privacy-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.privacy-clause {
  background: var(--bg-obsidian);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.35rem;
}

.privacy-clause h3 {
  font-size: 1rem;
  color: var(--accent-cyan-bright);
  margin-bottom: 0.5rem;
}

.privacy-clause p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   9. Footer
   ========================================================================== */
.site-footer {
  background: #070A12;
  padding: 4rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr 1.1fr;
  gap: 2.25rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand__desc {
  margin: 1rem 0 0.75rem;
  font-size: 0.88rem;
  max-width: 36ch;
}

.footer-brand__region {
  font-size: 0.76rem;
  color: var(--accent-cyan-bright);
}

.footer-col__title {
  font-size: 0.78rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-col__list,
.footer-col__contact {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.86rem;
}

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

.footer-col__list a:hover {
  color: var(--accent-cyan-bright);
}

.footer-col__label {
  color: var(--text-secondary);
  font-weight: 600;
  margin-right: 0.3rem;
}

.footer-bottom {
  padding-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
}

.footer-bottom__links {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1080px) {
  .hero__grid,
  .about-split,
  .estimator-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

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

@media (max-width: 768px) {
  .utility-bar__inner {
    justify-content: center;
    text-align: center;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0B0F19;
    border-bottom: 1px solid var(--border-elevated);
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 1.5rem;
    gap: 1rem;
    display: none;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
  }

  .metrics-bar,
  .methodology-grid,
  .services-grid,
  .infra-selector,
  .form-row,
  .privacy-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .metrics-bar__item {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding-right: 0;
    padding-bottom: 0.65rem;
  }

  .metrics-bar__item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .estimator-wrapper,
  .privacy-shell,
  .contact-form-card {
    padding: 1.5rem;
  }

  .estimator-header {
    flex-direction: column;
  }
}