/* ==========================================================================
   TkSgg (sangganggang.com) — Minimalist Editorial Design System
   ========================================================================== */

:root,
[data-theme="light"] {
  --bg-primary: #FAF9F6;
  --bg-elevated: #FFFFFF;
  --bg-subtle: #F2F0EB;
  --bg-glass: rgba(250, 249, 246, 0.84);

  --text-primary: #111215;
  --text-secondary: #4A4D55;
  --text-muted: #767A85;

  --border-color: #E4E2DC;
  --border-strong: #CCC9C0;

  --accent-primary: #0F172A;
  --accent-blue: #0284C7;
  --accent-blue-soft: rgba(2, 132, 199, 0.09);
  --accent-green: #059669;
  --accent-green-soft: rgba(5, 150, 105, 0.1);
  --danger-soft: rgba(225, 29, 72, 0.08);
  --danger-text: #BE123C;

  --brand-bg: #111215;
  --brand-fg: #FAF9F6;

  --btn-primary-bg: #111215;
  --btn-primary-fg: #FAF9F6;
  --btn-primary-hover: #272930;

  --shadow-sm: 0 1px 2px rgba(17, 18, 21, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(17, 18, 21, 0.06), 0 2px 6px -1px rgba(17, 18, 21, 0.03);
  --shadow-lg: 0 20px 40px -12px rgba(17, 18, 21, 0.08);

  --grid-line: rgba(17, 18, 21, 0.035);
}

[data-theme="dark"] {
  --bg-primary: #0B0C0E;
  --bg-elevated: #121418;
  --bg-subtle: #181B20;
  --bg-glass: rgba(11, 12, 14, 0.82);

  --text-primary: #F3F4F6;
  --text-secondary: #A1A7B3;
  --text-muted: #6C727F;

  --border-color: #22262E;
  --border-strong: #323743;

  --accent-primary: #F8FAFC;
  --accent-blue: #38BDF8;
  --accent-blue-soft: rgba(56, 189, 248, 0.12);
  --accent-green: #34D399;
  --accent-green-soft: rgba(52, 211, 153, 0.12);
  --danger-soft: rgba(244, 63, 94, 0.12);
  --danger-text: #FDA4AF;

  --brand-bg: #F3F4F6;
  --brand-fg: #0B0C0E;

  --btn-primary-bg: #F3F4F6;
  --btn-primary-fg: #0B0C0E;
  --btn-primary-hover: #FFFFFF;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px -6px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.6);

  --grid-line: rgba(255, 255, 255, 0.03);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
  position: relative;
}

/* Subtle Architectural Grid Overlay */
.ambient-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 35%, transparent 100%);
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.serif-italic {
  font-family: 'Instrument Serif', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  padding: 0 2px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-bg);
}

.brand-domain {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: -0.01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.theme-toggle:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

[data-theme="light"] .icon-sun {
  display: none;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 500;
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-sm {
  font-size: 0.84rem;
  padding: 8px 14px;
}

.btn-lg {
  font-size: 0.95rem;
  padding: 13px 22px;
}

.btn-block {
  width: 100%;
  padding: 13px 18px;
  font-size: 0.92rem;
}

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--btn-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
}

.copy-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 88px 0 64px;
}

.hero-container {
  max-width: 900px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 0 3px var(--accent-green-soft);
}

.hero-title {
  font-size: clamp(2.4rem, 5.2vw, 4.1rem);
  font-weight: 600;
  line-height: 1.09;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-title .serif-italic {
  font-size: 1.06em;
  color: var(--accent-blue);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.65;
  margin-bottom: 36px;
  font-weight: 400;
}

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

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 64px;
}

/* Metrics Bar */
.metrics-bar {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.metric-value {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.metric-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.metric-divider {
  width: 1px;
  height: 36px;
  background: var(--border-color);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
section {
  padding: 84px 0;
}

.section-header {
  max-width: 680px;
  margin-bottom: 44px;
}

.section-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.73rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   Interactive Nuance Inspector (Showcase)
   ========================================================================== */
.inspector-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.inspector-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-subtle);
  padding: 6px;
  gap: 6px;
}

.inspector-tab {
  flex: 1 1 auto;
  padding: 10px 16px;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.inspector-tab:hover {
  color: var(--text-primary);
}

.inspector-tab.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.inspector-body {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
}

.inspector-pane {
  padding: 32px;
}

.pane-source {
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--bg-primary);
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.pane-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 5px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.badge-muted {
  background: var(--danger-soft);
  border-color: transparent;
  color: var(--danger-text);
}

.badge-accent {
  background: var(--accent-blue-soft);
  border-color: transparent;
  color: var(--accent-blue);
}

.pane-lang,
.pane-status {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.status-verified {
  color: var(--accent-green);
}

.pane-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.pane-source .pane-text {
  font-size: 1.12rem;
  margin-bottom: 24px;
}

.pane-meta {
  font-size: 0.84rem;
  color: var(--text-secondary);
  padding-top: 16px;
  border-top: 1px dashed var(--border-color);
}

.comparison-block {
  padding: 18px 20px;
  border-radius: 12px;
  margin-bottom: 16px;
}

.pitfall-block {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
}

.text-strike {
  font-size: 0.94rem;
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: rgba(190, 18, 60, 0.45);
}

.precision-block {
  background: var(--accent-blue-soft);
  border: 1px solid rgba(2, 132, 199, 0.22);
}

.text-highlight {
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--text-primary);
}

.linguist-notes {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
}

.notes-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.notes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.notes-list li {
  font-size: 0.86rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 16px;
}

.notes-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-blue);
  font-family: 'JetBrains Mono', monospace;
}

/* ==========================================================================
   Core Services (Bento Grid)
   ========================================================================== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.bento-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.bento-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.bento-span-2 {
  grid-column: span 2;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.card-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.card-title {
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.card-tags span {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* Capabilities Strip */
.capabilities-strip {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.strip-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.strip-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  min-width: 155px;
}

.strip-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
}

.strip-pills span {
  font-size: 0.8rem;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--bg-subtle);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.mono-pills span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  border-radius: 6px;
}

/* ==========================================================================
   Workflow Section (TEP+)
   ========================================================================== */
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.step-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 28px 24px;
  position: relative;
}

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--accent-blue);
  margin-bottom: 14px;
}

.step-title {
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Interactive Estimator & Word Counter
   ========================================================================== */
.estimator-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 24px;
  align-items: start;
}

.estimator-form-card,
.estimator-summary-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.label-with-value {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.label-with-value label {
  margin-bottom: 0;
}

.mono-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-blue);
  background: var(--accent-blue-soft);
  padding: 2px 10px;
  border-radius: 6px;
}

.form-control {
  width: 100%;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-soft);
}

textarea.form-control {
  resize: vertical;
  min-height: 104px;
  line-height: 1.55;
}

.range-slider {
  width: 100%;
  accent-color: var(--accent-blue);
  cursor: pointer;
  margin: 6px 0;
}

.range-hints {
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.text-btn {
  background: none;
  border: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: var(--text-muted);
  cursor: pointer;
}

.text-btn:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.live-counter-bar {
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--bg-subtle);
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.apply-count-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 5px;
  border: 1px solid var(--accent-blue);
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  cursor: pointer;
}

/* Estimator Summary Card */
.summary-header {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.summary-eyebrow {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.summary-title {
  font-size: 1.3rem;
  font-weight: 600;
}

.summary-details {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-bottom: 24px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 0.9rem;
}

.summary-key {
  color: var(--text-muted);
}

.summary-val {
  font-weight: 500;
  color: var(--text-primary);
  text-align: right;
}

.highlight-val {
  color: var(--accent-blue);
  font-weight: 600;
}

.summary-direct-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
}

.direct-email-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.direct-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.direct-email {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.84rem;
  color: var(--accent-blue);
  font-weight: 500;
}

.direct-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.summary-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-container {
  max-width: 820px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  list-style: none;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

details[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-answer a {
  color: var(--accent-blue);
  text-decoration: underline;
}

/* ==========================================================================
   CTA Banner Section
   ========================================================================== */
.cta-banner-section {
  padding-top: 24px;
}

.cta-banner {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow-md);
}

.cta-banner-content {
  max-width: 560px;
}

.cta-title {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 10px;
}

.cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
}

.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 56px 0 36px;
  background: var(--bg-elevated);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.footer-brand-col {
  max-width: 420px;
}

.footer-tagline {
  margin-top: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.footer-contact {
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-contact a {
  color: var(--text-primary);
  text-decoration: underline;
}

.footer-links-col {
  display: flex;
  gap: 56px;
}

.footer-nav-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-group-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 0.86rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
}

.toast[hidden] {
  display: none;
}

.toast-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #38BDF8;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 960px) {
  .main-nav {
    display: none;
  }

  .inspector-body,
  .estimator-grid {
    grid-template-columns: 1fr;
  }

  .pane-source {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

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

  .bento-span-2 {
    grid-column: span 1;
  }

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

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px;
  }
}

@media (max-width: 640px) {
  .hero-section {
    padding: 56px 0 40px;
  }

  .metrics-bar {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .metric-divider {
    display: none;
  }

  .workflow-steps,
  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .brand-domain {
    display: none;
  }
}