/* Tailsight - tsg.css - Full site style system */

/* ============================================================
   1. CSS Custom Properties
   ============================================================ */
:root {
  --tsg-nav-h: 64px;

  --tsg-bg-hangar: #0C1A2E;
  --tsg-bg-panel: #142340;
  --tsg-bg-manual: #F0F3F8;
  --tsg-bg-white: #FFFFFF;

  --tsg-text-aluminium: #E8EDF4;
  --tsg-text-ink: #1A2840;
  --tsg-text-slate: #8BA4C2;
  --tsg-text-steel: #4A6280;

  --tsg-sky: #19B8E0;
  --tsg-sky-deep: #0B6F88;
  --tsg-status-clear: #22C55E;
  --tsg-status-caution: #F59E0B;

  --tsg-font-heading: 'Rajdhani', sans-serif;
  --tsg-font-body: 'Rubik', sans-serif;
  --tsg-font-mono: 'JetBrains Mono', monospace;

  --tsg-container-max: 1200px;
  --tsg-radius: 8px;
  --tsg-radius-sm: 4px;
  --tsg-shadow: 0 4px 24px rgba(12,26,46,0.18);
  --tsg-shadow-lg: 0 8px 40px rgba(12,26,46,0.24);
  --tsg-transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--tsg-font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--tsg-text-ink);
  background: var(--tsg-bg-white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================================
   3. Layout Utilities
   ============================================================ */
.tsg-container {
  max-width: var(--tsg-container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.tsg-section {
  padding: 80px 0;
}

.tsg-section--sm {
  padding: 56px 0;
}

.tsg-section--dark {
  background: var(--tsg-bg-hangar);
}

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

.tsg-section--light {
  background: var(--tsg-bg-manual);
}

.tsg-section--white {
  background: var(--tsg-bg-white);
}

/* IntersectionObserver fade-in */
.tsg-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.tsg-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   4. Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--tsg-font-heading);
  line-height: 1.15;
  font-weight: 700;
}

.tsg-eyebrow {
  display: inline-flex;
  align-items: center;
  font-family: var(--tsg-font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.tsg-eyebrow--sky {
  background: rgba(25,184,224,0.15);
  color: var(--tsg-sky);
  border: 1px solid rgba(25,184,224,0.3);
}

.tsg-eyebrow--dark {
  background: rgba(255,255,255,0.1);
  color: var(--tsg-text-slate);
  border: 1px solid rgba(255,255,255,0.12);
}

.tsg-eyebrow--ink {
  background: rgba(11,111,136,0.1);
  color: var(--tsg-sky-deep);
  border: 1px solid rgba(11,111,136,0.2);
}

.tsg-section-label {
  font-family: var(--tsg-font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tsg-sky);
  margin-bottom: 12px;
}

.tsg-section-label--dark {
  color: var(--tsg-sky-deep);
}

/* ============================================================
   5. Buttons
   ============================================================ */
.tsg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--tsg-font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: var(--tsg-radius-sm);
  transition: background var(--tsg-transition), color var(--tsg-transition), border-color var(--tsg-transition), opacity var(--tsg-transition);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  letter-spacing: 0.01em;
}

.tsg-btn--primary-dark {
  background: var(--tsg-sky);
  color: var(--tsg-text-ink);
  border-color: var(--tsg-sky);
}

.tsg-btn--primary-dark:hover {
  background: #2fc6ec;
  border-color: #2fc6ec;
}

.tsg-btn--primary-light {
  background: var(--tsg-sky-deep);
  color: #FFFFFF;
  border-color: var(--tsg-sky-deep);
}

.tsg-btn--primary-light:hover {
  background: #0d85a3;
  border-color: #0d85a3;
}

.tsg-btn--outline-light {
  background: transparent;
  color: var(--tsg-text-aluminium);
  border-color: rgba(232,237,244,0.5);
}

.tsg-btn--outline-light:hover {
  background: rgba(232,237,244,0.08);
  border-color: var(--tsg-text-aluminium);
}

.tsg-btn--outline-dark {
  background: transparent;
  color: var(--tsg-text-ink);
  border-color: rgba(26,40,64,0.4);
}

.tsg-btn--outline-dark:hover {
  background: rgba(26,40,64,0.06);
  border-color: var(--tsg-text-ink);
}

.tsg-btn--ghost-on-dark {
  background: transparent;
  color: var(--tsg-text-slate);
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

.tsg-btn--ghost-on-dark:hover {
  color: var(--tsg-text-aluminium);
}

.tsg-btn--lg {
  font-size: 16px;
  padding: 14px 32px;
}

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

/* ============================================================
   6. Navigation
   ============================================================ */
.tsg-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--tsg-nav-h);
  background: var(--tsg-bg-hangar);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.tsg-nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

.tsg-nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.tsg-nav__logo img {
  height: 28px;
  width: auto;
}

.tsg-nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.tsg-nav__link {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  font-weight: 400;
  color: var(--tsg-text-slate);
  padding: 8px 12px;
  border-radius: var(--tsg-radius-sm);
  transition: color var(--tsg-transition), background var(--tsg-transition);
  white-space: nowrap;
}

.tsg-nav__link:hover,
.tsg-nav__link.is-active {
  color: var(--tsg-text-aluminium);
  background: rgba(255,255,255,0.06);
}

.tsg-nav__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.tsg-nav__signin {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  color: var(--tsg-text-slate);
  padding: 8px 12px;
  transition: color var(--tsg-transition);
}

.tsg-nav__signin:hover {
  color: var(--tsg-text-aluminium);
}

.tsg-nav__cta {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  font-weight: 500;
  background: var(--tsg-sky);
  color: var(--tsg-text-ink);
  padding: 8px 16px;
  border-radius: var(--tsg-radius-sm);
  transition: background var(--tsg-transition);
  white-space: nowrap;
}

.tsg-nav__cta:hover {
  background: #2fc6ec;
}

.tsg-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
}

.tsg-nav__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--tsg-text-aluminium);
  border-radius: 2px;
  transition: transform var(--tsg-transition), opacity var(--tsg-transition);
}

/* Mobile nav */
@media (max-width: 900px) {
  .tsg-nav__hamburger {
    display: flex;
  }

  .tsg-nav__links {
    position: absolute;
    top: var(--tsg-nav-h);
    left: 0;
    right: 0;
    background: var(--tsg-bg-hangar);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }

  .tsg-nav__links.tsg-nav__links--open {
    display: flex;
  }

  .tsg-nav__link {
    padding: 12px 16px;
    font-size: 16px;
  }

  .tsg-nav__actions {
    position: absolute;
    top: var(--tsg-nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 0 16px 16px;
    background: var(--tsg-bg-hangar);
    display: none;
  }

  .tsg-nav__links--open ~ .tsg-nav__actions {
    display: flex;
  }

  .tsg-nav__signin,
  .tsg-nav__cta {
    display: block;
    text-align: center;
    padding: 12px 16px;
    font-size: 16px;
  }
}

/* Simplified: hide actions inside hamburger too */
@media (max-width: 900px) {
  .tsg-nav__actions {
    display: none;
  }
}

/* ============================================================
   7. Hero (Home)
   ============================================================ */
.tsg-hero {
  background: radial-gradient(ellipse at 45% 50%, #162840 0%, #0C1A2E 65%);
  padding-top: calc(var(--tsg-nav-h) + 80px);
  padding-bottom: 80px;
  overflow: hidden;
}

.tsg-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.tsg-hero__text {
  max-width: 560px;
}

.tsg-hero__h1 {
  font-family: var(--tsg-font-heading);
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--tsg-text-aluminium);
  line-height: 1.1;
  margin-bottom: 20px;
}

.tsg-hero__sub {
  font-family: var(--tsg-font-body);
  font-size: 17px;
  color: var(--tsg-text-slate);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 480px;
}

.tsg-hero__visual {
  min-width: 0;
}

@media (max-width: 900px) {
  .tsg-hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .tsg-hero__text {
    max-width: 100%;
    text-align: center;
  }

  .tsg-hero__sub {
    max-width: 100%;
  }

  .tsg-btn-group {
    justify-content: center;
  }
}

/* ============================================================
   8. Schedule Mock (Hero right column)
   ============================================================ */
.tsg-schedule-mock {
  background: var(--tsg-bg-panel);
  border-radius: 10px;
  border: 1px solid rgba(25,184,224,0.15);
  padding: 20px;
  font-family: var(--tsg-font-mono);
  overflow: hidden;
}

.tsg-schedule-mock__badge {
  display: inline-block;
  font-family: var(--tsg-font-body);
  font-size: 11px;
  color: var(--tsg-text-slate);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 3px 10px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.tsg-schedule-mock__header {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  gap: 0;
}

.tsg-schedule-mock__col-label {
  width: 90px;
  flex-shrink: 0;
  font-size: 10px;
  color: var(--tsg-text-slate);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tsg-schedule-mock__timeline-header {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  min-width: 0;
}

.tsg-schedule-mock__week-label {
  font-family: var(--tsg-font-body);
  font-size: 10px;
  color: var(--tsg-text-slate);
  text-align: center;
  padding: 2px 0;
}

.tsg-schedule-mock__rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.tsg-schedule-row {
  display: flex;
  align-items: center;
  gap: 0;
  height: 28px;
}

.tsg-schedule-row__label {
  width: 90px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tsg-schedule-row__tail {
  font-family: var(--tsg-font-mono);
  font-size: 10px;
  color: var(--tsg-text-aluminium);
  line-height: 1.2;
}

.tsg-schedule-row__type {
  font-family: var(--tsg-font-body);
  font-size: 9px;
  color: var(--tsg-text-slate);
  letter-spacing: 0.04em;
}

.tsg-schedule-row__track {
  flex: 1;
  display: flex;
  height: 20px;
  border-radius: 3px;
  overflow: hidden;
  gap: 1px;
  min-width: 0;
}

.tsg-track-block {
  height: 100%;
  border-radius: 2px;
  flex-shrink: 0;
}

.tsg-track-block--flight {
  background: rgba(139,164,194,0.2);
  border: 1px solid rgba(139,164,194,0.15);
}

.tsg-track-block--maint {
  background: var(--tsg-sky);
  opacity: 0.85;
}

.tsg-track-block--ad {
  background: #DC2626;
  opacity: 0.85;
}

.tsg-schedule-mock__legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.tsg-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--tsg-font-body);
  font-size: 10px;
  color: var(--tsg-text-slate);
}

.tsg-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

.tsg-legend-dot--maint {
  background: var(--tsg-sky);
}

.tsg-legend-dot--flight {
  background: rgba(139,164,194,0.3);
  border: 1px solid rgba(139,164,194,0.2);
}

.tsg-legend-dot--ad {
  background: #DC2626;
}

@media (max-width: 600px) {
  .tsg-schedule-mock {
    padding: 14px;
  }
  .tsg-schedule-row__label {
    width: 70px;
  }
  .tsg-schedule-mock__col-label {
    width: 70px;
  }
}

/* ============================================================
   9. Subpage Header (dark banner)
   ============================================================ */
.tsg-subhero {
  background: var(--tsg-bg-hangar);
  padding-top: calc(var(--tsg-nav-h) + 64px);
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.tsg-subhero__h1 {
  font-family: var(--tsg-font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--tsg-text-aluminium);
  margin-bottom: 12px;
}

.tsg-subhero__sub {
  font-family: var(--tsg-font-body);
  font-size: 16px;
  color: var(--tsg-text-slate);
  max-width: 600px;
  line-height: 1.6;
}

/* Contact page has light subhero */
.tsg-subhero--light {
  background: var(--tsg-bg-manual);
  border-bottom: 1px solid rgba(26,40,64,0.08);
  padding-top: calc(var(--tsg-nav-h) + 48px);
  padding-bottom: 48px;
}

.tsg-subhero--light .tsg-subhero__h1 {
  color: var(--tsg-text-ink);
}

.tsg-subhero--light .tsg-subhero__sub {
  color: var(--tsg-text-steel);
}

/* ============================================================
   10. Problem Section
   ============================================================ */
.tsg-problem__intro {
  font-family: var(--tsg-font-heading);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: var(--tsg-text-aluminium);
  margin-bottom: 48px;
  max-width: 560px;
}

.tsg-problem-blocks {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 680px;
}

.tsg-problem-block__title {
  font-family: var(--tsg-font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--tsg-sky);
  margin-bottom: 8px;
}

.tsg-problem-block__body {
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-slate);
  line-height: 1.7;
}

/* ============================================================
   11. How It Works (Numbered Steps)
   ============================================================ */
.tsg-section-heading {
  font-family: var(--tsg-font-heading);
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 48px;
}

.tsg-section-heading--dark {
  color: var(--tsg-text-aluminium);
}

.tsg-section-heading--light {
  color: var(--tsg-text-ink);
}

.tsg-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.tsg-step {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tsg-step__number {
  font-family: var(--tsg-font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--tsg-sky-deep);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tsg-step__title {
  font-family: var(--tsg-font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--tsg-text-ink);
  line-height: 1.25;
}

.tsg-step__body {
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-steel);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .tsg-steps-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ============================================================
   12. Evidence / Metrics
   ============================================================ */
.tsg-evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.tsg-metric {
  padding: 32px;
  background: var(--tsg-bg-white);
  border-radius: var(--tsg-radius);
  border: 1px solid rgba(26,40,64,0.08);
}

.tsg-metric__number {
  font-family: var(--tsg-font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--tsg-sky-deep);
  line-height: 1;
  margin-bottom: 8px;
}

.tsg-metric__label {
  font-family: var(--tsg-font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--tsg-text-ink);
  margin-bottom: 12px;
}

.tsg-metric__source {
  font-family: var(--tsg-font-body);
  font-size: 12px;
  color: var(--tsg-text-steel);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .tsg-evidence-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ============================================================
   13. Testimonials Section
   ============================================================ */
.tsg-testimonials {
  background-color: var(--tsg-bg-hangar);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.tsg-testimonials__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(12,26,46,0.88) 0%, rgba(12,26,46,0.78) 100%);
}

.tsg-testimonials__inner {
  position: relative;
  z-index: 1;
}

.tsg-testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.tsg-testimonial {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--tsg-radius);
  padding: 32px;
}

.tsg-testimonial__quote {
  font-family: var(--tsg-font-body);
  font-size: 16px;
  color: var(--tsg-text-aluminium);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.tsg-testimonial__author {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-slate);
  line-height: 1.5;
}

.tsg-testimonial__author strong {
  color: var(--tsg-sky);
  font-weight: 500;
}

@media (max-width: 768px) {
  .tsg-testimonials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ============================================================
   14. Integrations / Chips
   ============================================================ */
.tsg-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.tsg-chip {
  font-family: var(--tsg-font-mono);
  font-size: 13px;
  color: var(--tsg-text-ink);
  background: var(--tsg-bg-white);
  border: 1px solid rgba(26,40,64,0.15);
  border-radius: var(--tsg-radius-sm);
  padding: 8px 16px;
  font-weight: 400;
}

.tsg-chip--dark {
  color: var(--tsg-text-aluminium);
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.12);
}

.tsg-integrations-disclaimer {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
  margin-top: 16px;
  font-style: italic;
}

/* ============================================================
   15. CTA Band
   ============================================================ */
.tsg-cta-band {
  background: var(--tsg-bg-panel);
  padding: 80px 0;
}

.tsg-cta-band__inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.tsg-cta-band__h2 {
  font-family: var(--tsg-font-heading);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--tsg-text-aluminium);
  margin-bottom: 16px;
  line-height: 1.2;
}

.tsg-cta-band__sub {
  font-family: var(--tsg-font-body);
  font-size: 16px;
  color: var(--tsg-text-slate);
  margin-bottom: 36px;
  line-height: 1.6;
}

.tsg-cta-band__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.tsg-cta-band__text-link {
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-slate);
  text-decoration: underline;
  text-decoration-color: rgba(139,164,194,0.4);
  transition: color var(--tsg-transition);
}

.tsg-cta-band__text-link:hover {
  color: var(--tsg-text-aluminium);
}

/* ============================================================
   16. Data Flow SVG (how-it-works.html)
   ============================================================ */
.tsg-data-flow {
  width: 100%;
  max-width: 520px;
}

.tsg-section-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.tsg-section-two-col__text h2 {
  font-family: var(--tsg-font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--tsg-text-ink);
  margin-bottom: 20px;
}

.tsg-section-two-col__text p {
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-steel);
  line-height: 1.7;
  margin-bottom: 16px;
}

.tsg-section-two-col__text p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .tsg-section-two-col {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .tsg-data-flow {
    max-width: 100%;
  }
}

/* ============================================================
   17. Content Sections (prose + lists)
   ============================================================ */
.tsg-prose {
  font-family: var(--tsg-font-body);
  font-size: 16px;
  color: var(--tsg-text-steel);
  line-height: 1.75;
}

.tsg-prose h3 {
  font-family: var(--tsg-font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin: 24px 0 12px;
}

.tsg-prose p {
  margin-bottom: 16px;
}

.tsg-prose p:last-child {
  margin-bottom: 0;
}

.tsg-prose ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 16px;
}

.tsg-prose ul li {
  margin-bottom: 8px;
  color: var(--tsg-text-steel);
}

.tsg-prose--dark h3 {
  color: var(--tsg-text-aluminium);
}

.tsg-prose--dark p,
.tsg-prose--dark li {
  color: var(--tsg-text-slate);
}

/* Section text blocks */
.tsg-content-block {
  max-width: 720px;
}

.tsg-content-block--centered {
  margin: 0 auto;
  text-align: center;
}

/* ============================================================
   18. Feature List / Info Panel (how-it-works, platform)
   ============================================================ */
.tsg-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.tsg-feature-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  background: var(--tsg-bg-white);
  border-radius: var(--tsg-radius);
  border: 1px solid rgba(26,40,64,0.08);
}

.tsg-feature-item--dark {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.08);
}

.tsg-feature-item__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(25,184,224,0.12);
  border-radius: var(--tsg-radius-sm);
  color: var(--tsg-sky);
  font-size: 16px;
}

.tsg-feature-item__title {
  font-family: var(--tsg-font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--tsg-text-ink);
}

.tsg-feature-item--dark .tsg-feature-item__title {
  color: var(--tsg-text-aluminium);
}

.tsg-feature-item__body {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  color: var(--tsg-text-steel);
  line-height: 1.65;
}

.tsg-feature-item--dark .tsg-feature-item__body {
  color: var(--tsg-text-slate);
}

@media (max-width: 640px) {
  .tsg-feature-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   19. Table (integration matrix, platform)
   ============================================================ */
.tsg-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tsg-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--tsg-font-body);
  font-size: 14px;
}

.tsg-table th {
  font-family: var(--tsg-font-heading);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  color: var(--tsg-text-ink);
  background: var(--tsg-bg-manual);
  padding: 12px 16px;
  border-bottom: 2px solid rgba(26,40,64,0.1);
  white-space: nowrap;
}

.tsg-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(26,40,64,0.07);
  color: var(--tsg-text-steel);
  vertical-align: middle;
}

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

.tsg-table--striped tr:nth-child(even) td {
  background: rgba(240,243,248,0.5);
}

.tsg-table__check {
  color: var(--tsg-status-clear);
  font-size: 16px;
}

.tsg-table__dash {
  color: var(--tsg-text-steel);
  opacity: 0.4;
}

/* ============================================================
   20. Pricing Cards
   ============================================================ */
.tsg-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.tsg-pricing-card {
  background: var(--tsg-bg-white);
  border-radius: var(--tsg-radius);
  border: 2px solid rgba(26,40,64,0.1);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: border-color var(--tsg-transition), box-shadow var(--tsg-transition);
}

.tsg-pricing-card:hover {
  border-color: rgba(25,184,224,0.3);
  box-shadow: 0 4px 24px rgba(25,184,224,0.08);
}

.tsg-pricing-card--highlighted {
  border-color: var(--tsg-sky);
  box-shadow: 0 4px 24px rgba(25,184,224,0.14);
  position: relative;
}

.tsg-pricing-card__badge {
  display: inline-block;
  font-family: var(--tsg-font-body);
  font-size: 11px;
  font-weight: 500;
  color: var(--tsg-text-ink);
  background: var(--tsg-sky);
  border-radius: 20px;
  padding: 3px 12px;
  margin-bottom: 20px;
  align-self: flex-start;
}

.tsg-pricing-card__name {
  font-family: var(--tsg-font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--tsg-text-ink);
  margin-bottom: 4px;
}

.tsg-pricing-card__cap {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
  margin-bottom: 24px;
}

.tsg-pricing-card__price {
  margin-bottom: 8px;
}

.tsg-pricing-card__amount {
  font-family: var(--tsg-font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--tsg-text-ink);
  line-height: 1;
}

.tsg-pricing-card__amount--contact {
  font-size: 2rem;
}

.tsg-pricing-card__period {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
}

.tsg-pricing-card__price-note {
  font-family: var(--tsg-font-body);
  font-size: 12px;
  color: var(--tsg-sky-deep);
  margin-bottom: 24px;
}

.tsg-pricing-card__divider {
  border: none;
  border-top: 1px solid rgba(26,40,64,0.08);
  margin: 24px 0;
}

.tsg-pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex: 1;
}

.tsg-pricing-card__feature {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-family: var(--tsg-font-body);
  font-size: 14px;
  color: var(--tsg-text-steel);
  line-height: 1.5;
}

.tsg-pricing-card__feature::before {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  background: var(--tsg-status-clear);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M13.5 4.5 6.5 11.5 2.5 7.5' stroke='%23fff' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M13.5 4.5 6.5 11.5 2.5 7.5' stroke='%23fff' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
}

.tsg-pricing-card__cta {
  width: 100%;
  text-align: center;
}

@media (max-width: 900px) {
  .tsg-pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}

/* ============================================================
   21. FAQ Accordion
   ============================================================ */
.tsg-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: var(--tsg-radius);
  overflow: hidden;
  border: 1px solid rgba(26,40,64,0.1);
}

.tsg-faq-item {
  border-bottom: 1px solid rgba(26,40,64,0.08);
}

.tsg-faq-item:last-child {
  border-bottom: none;
}

.tsg-faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--tsg-bg-white);
  font-family: var(--tsg-font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--tsg-text-ink);
  text-align: left;
  cursor: pointer;
  transition: background var(--tsg-transition);
  border: none;
}

.tsg-faq-question:hover {
  background: var(--tsg-bg-manual);
}

.tsg-faq-question__icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--tsg-sky-deep);
  font-size: 18px;
  transition: transform var(--tsg-transition);
}

.tsg-faq-item--open .tsg-faq-question__icon {
  transform: rotate(45deg);
}

.tsg-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background: var(--tsg-bg-white);
}

.tsg-faq-item--open .tsg-faq-answer {
  max-height: 400px;
}

.tsg-faq-answer__inner {
  padding: 0 24px 20px;
  font-family: var(--tsg-font-body);
  font-size: 14px;
  color: var(--tsg-text-steel);
  line-height: 1.7;
}

/* ============================================================
   22. Application Form (early-access.html)
   ============================================================ */
.tsg-form {
  max-width: 680px;
}

.tsg-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.tsg-form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.tsg-form-field:last-of-type {
  margin-bottom: 0;
}

.tsg-form-label {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--tsg-text-ink);
}

.tsg-form-input,
.tsg-form-select,
.tsg-form-textarea {
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-ink);
  background: var(--tsg-bg-white);
  border: 1px solid rgba(26,40,64,0.2);
  border-radius: var(--tsg-radius-sm);
  padding: 10px 14px;
  width: 100%;
  transition: border-color var(--tsg-transition), box-shadow var(--tsg-transition);
  appearance: none;
  -webkit-appearance: none;
}

.tsg-form-input:focus,
.tsg-form-select:focus,
.tsg-form-textarea:focus {
  outline: none;
  border-color: var(--tsg-sky);
  box-shadow: 0 0 0 3px rgba(25,184,224,0.12);
}

.tsg-form-input::placeholder,
.tsg-form-textarea::placeholder {
  color: var(--tsg-text-steel);
  opacity: 0.6;
}

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

.tsg-form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234A6280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.tsg-form-privacy {
  font-family: var(--tsg-font-body);
  font-size: 12px;
  color: var(--tsg-text-steel);
  margin-top: 16px;
}

.tsg-form-privacy a {
  color: var(--tsg-sky-deep);
  text-decoration: underline;
}

.tsg-form-error {
  font-size: 12px;
  color: #DC2626;
  margin-top: 4px;
}

.tsg-form-success {
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: var(--tsg-radius);
  padding: 24px 28px;
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-ink);
  line-height: 1.6;
}

.tsg-form-success__title {
  font-family: var(--tsg-font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin-bottom: 8px;
}

@media (max-width: 640px) {
  .tsg-form-row {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   23. Team Profiles
   ============================================================ */
.tsg-team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.tsg-team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.tsg-team-card__avatar-wrap {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  background: var(--tsg-bg-manual);
  border: 3px solid rgba(25,184,224,0.2);
  position: relative;
}

.tsg-team-card__avatar-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.tsg-team-card__initials {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--tsg-font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--tsg-sky-deep);
  background: rgba(25,184,224,0.1);
}

.tsg-team-card__name {
  font-family: var(--tsg-font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--tsg-text-ink);
  margin-bottom: 4px;
}

.tsg-team-card__role {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--tsg-sky-deep);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tsg-team-card__bio {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  color: var(--tsg-text-steel);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .tsg-team-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }
}

/* ============================================================
   24. Values / Principles (about.html)
   ============================================================ */
.tsg-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.tsg-value-item {
  padding: 28px 24px;
  border-left: 3px solid var(--tsg-sky);
}

.tsg-value-item__number {
  font-family: var(--tsg-font-mono);
  font-size: 11px;
  color: var(--tsg-sky);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.tsg-value-item__title {
  font-family: var(--tsg-font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--tsg-text-aluminium);
  margin-bottom: 10px;
}

.tsg-value-item__body {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  color: var(--tsg-text-slate);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .tsg-values-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ============================================================
   25. Contact Band (about.html)
   ============================================================ */
.tsg-contact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: center;
  justify-content: space-between;
}

.tsg-contact-strip__details {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tsg-contact-strip__line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-steel);
}

.tsg-contact-strip__line i {
  color: var(--tsg-sky-deep);
  font-size: 16px;
  width: 18px;
  flex-shrink: 0;
}

.tsg-contact-strip__line a {
  color: var(--tsg-sky-deep);
  text-decoration: underline;
  text-decoration-color: rgba(11,111,136,0.3);
}

.tsg-contact-strip__line a:hover {
  color: var(--tsg-sky);
}

/* ============================================================
   26. Article / Blog (ops-log)
   ============================================================ */
.tsg-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.tsg-article-card {
  background: var(--tsg-bg-white);
  border-radius: var(--tsg-radius);
  border: 1px solid rgba(26,40,64,0.08);
  overflow: hidden;
  transition: box-shadow var(--tsg-transition), border-color var(--tsg-transition);
  display: flex;
  flex-direction: column;
}

.tsg-article-card:hover {
  box-shadow: 0 4px 20px rgba(26,40,64,0.1);
  border-color: rgba(25,184,224,0.2);
}

.tsg-article-card__cover {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--tsg-bg-panel);
}

.tsg-article-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.tsg-article-card:hover .tsg-article-card__cover img {
  transform: scale(1.04);
}

.tsg-article-card__body {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.tsg-article-card__cat {
  display: inline-block;
  font-family: var(--tsg-font-body);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tsg-sky-deep);
  margin-bottom: 10px;
}

.tsg-article-card__title {
  font-family: var(--tsg-font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--tsg-text-ink);
  line-height: 1.3;
  margin-bottom: 10px;
}

.tsg-article-card__excerpt {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
}

.tsg-article-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--tsg-font-body);
  font-size: 12px;
  color: var(--tsg-text-steel);
}

.tsg-article-card__meta-dot {
  width: 3px;
  height: 3px;
  background: var(--tsg-text-steel);
  border-radius: 50%;
  opacity: 0.5;
}

@media (max-width: 900px) {
  .tsg-blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .tsg-blog-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   27. Article Page (template)
   ============================================================ */
.tsg-article-hero {
  padding-top: var(--tsg-nav-h);
  background: var(--tsg-bg-manual);
}

.tsg-article-hero__cover-wrap {
  width: 100%;
  aspect-ratio: 16/9;
  max-height: 480px;
  overflow: hidden;
}

.tsg-article-hero__cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tsg-article-hero__meta {
  max-width: var(--tsg-container-max);
  margin: 0 auto;
  padding: 32px 24px 40px;
}

.tsg-article-hero__cat {
  display: inline-block;
  font-family: var(--tsg-font-body);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tsg-sky-deep);
  background: rgba(11,111,136,0.08);
  border-radius: 20px;
  padding: 3px 12px;
  margin-bottom: 16px;
}

.tsg-article-hero__h1 {
  font-family: var(--tsg-font-heading);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin-bottom: 16px;
  line-height: 1.2;
  max-width: 800px;
}

.tsg-article-hero__byline {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.tsg-article-hero__byline-sep {
  opacity: 0.4;
}

.tsg-article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-sky-deep);
  text-decoration: none;
  margin-bottom: 20px;
  transition: color var(--tsg-transition);
}

.tsg-article-back:hover {
  color: var(--tsg-sky);
}

.tsg-article-hero--bg-cover {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.tsg-article-hero__scrim {
  background: linear-gradient(180deg, rgba(15,23,36,0.55) 0%, rgba(15,23,36,0.82) 100%);
  padding-top: var(--tsg-nav-h);
}

.tsg-article-hero--bg-cover .tsg-article-hero__meta {
  padding: 48px 24px 40px;
}

.tsg-article-hero--bg-cover .tsg-article-hero__cat {
  color: var(--tsg-sky);
  background: rgba(11,111,136,0.25);
}

.tsg-article-hero--bg-cover .tsg-article-hero__h1 {
  color: #fff;
}

.tsg-article-hero--bg-cover .tsg-article-hero__byline {
  color: var(--tsg-text-aluminium);
  margin-bottom: 20px;
}

.tsg-article-hero--bg-cover .tsg-article-hero__byline-sep {
  opacity: 0.5;
}

.tsg-article-back--light {
  color: var(--tsg-sky);
}

.tsg-article-back--light:hover {
  color: #fff;
}

.tsg-article-body {
  background: var(--tsg-bg-white);
  padding: 56px 0;
}

.tsg-article-prose {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  font-family: var(--tsg-font-body);
  font-size: 17px;
  color: var(--tsg-text-ink);
  line-height: 1.8;
}

.tsg-article-prose h2 {
  font-family: var(--tsg-font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin: 40px 0 16px;
}

.tsg-article-prose h3 {
  font-family: var(--tsg-font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin: 32px 0 12px;
}

.tsg-article-prose p {
  margin-bottom: 20px;
}

.tsg-article-prose ul,
.tsg-article-prose ol {
  padding-left: 24px;
  margin-bottom: 20px;
  list-style: disc;
}

.tsg-article-prose ol {
  list-style: decimal;
}

.tsg-article-prose li {
  margin-bottom: 8px;
}

.tsg-article-cta {
  background: var(--tsg-bg-manual);
  padding: 56px 0;
}

.tsg-article-cta__inner {
  max-width: var(--tsg-container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.tsg-article-cta__text {
  font-family: var(--tsg-font-body);
  font-size: 16px;
  color: var(--tsg-text-ink);
}

.tsg-article-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .tsg-article-cta__inner {
    align-items: center;
  }
}

/* ============================================================
   28. Auth Pages (flightdeck/)
   ============================================================ */
.tsg-auth-page {
  min-height: 100vh;
  background: var(--tsg-bg-manual);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.tsg-auth-logo {
  display: block;
  margin: 0 auto 28px;
}

.tsg-auth-logo img {
  height: 28px;
  width: auto;
  margin: 0 auto;
}

.tsg-auth-card {
  background: var(--tsg-bg-white);
  border-radius: var(--tsg-radius);
  box-shadow: var(--tsg-shadow-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.tsg-auth-card__h2 {
  font-family: var(--tsg-font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--tsg-text-ink);
  margin-bottom: 28px;
  text-align: center;
}

.tsg-auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.tsg-auth-label {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--tsg-text-ink);
}

.tsg-auth-input {
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-ink);
  background: var(--tsg-bg-white);
  border: 1px solid rgba(26,40,64,0.2);
  border-radius: var(--tsg-radius-sm);
  padding: 11px 14px;
  width: 100%;
  transition: border-color var(--tsg-transition), box-shadow var(--tsg-transition);
}

.tsg-auth-input:focus {
  outline: none;
  border-color: var(--tsg-sky);
  box-shadow: 0 0 0 3px rgba(25,184,224,0.12);
}

.tsg-auth-input::placeholder {
  color: var(--tsg-text-steel);
  opacity: 0.6;
}

.tsg-auth-submit {
  display: block;
  width: 100%;
  background: var(--tsg-sky-deep);
  color: #FFFFFF;
  border: none;
  border-radius: var(--tsg-radius-sm);
  padding: 13px;
  font-family: var(--tsg-font-body);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--tsg-transition);
  margin-top: 8px;
}

.tsg-auth-submit:hover {
  background: #0d85a3;
}

.tsg-auth-forgot {
  display: block;
  text-align: center;
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-sky-deep);
  margin-top: 14px;
  text-decoration: underline;
  text-decoration-color: rgba(11,111,136,0.4);
}

.tsg-auth-forgot:hover {
  color: var(--tsg-sky);
}

.tsg-auth-divider {
  border: none;
  border-top: 1px solid rgba(26,40,64,0.1);
  margin: 24px 0;
}

.tsg-auth-alt-link {
  display: block;
  text-align: center;
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
}

.tsg-auth-alt-link a {
  color: var(--tsg-sky-deep);
  text-decoration: underline;
  text-decoration-color: rgba(11,111,136,0.4);
}

.tsg-auth-fine-print {
  font-family: var(--tsg-font-body);
  font-size: 12px;
  color: var(--tsg-text-steel);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

.tsg-auth-fine-print a {
  color: var(--tsg-sky-deep);
  text-decoration: underline;
}

.tsg-auth-feedback {
  display: none;
  border-radius: var(--tsg-radius-sm);
  padding: 10px 14px;
  font-family: var(--tsg-font-body);
  font-size: 13px;
  margin-bottom: 14px;
  line-height: 1.5;
}

.tsg-auth-feedback--error {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.2);
  color: #DC2626;
}

.tsg-auth-feedback--success {
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  color: #166534;
}

.tsg-auth-feedback.is-visible {
  display: block;
}

/* ============================================================
   29. Legal Pages
   ============================================================ */
.tsg-legal-page {
  min-height: 100vh;
  background: var(--tsg-bg-white);
}

.tsg-legal-header {
  background: var(--tsg-bg-manual);
  padding: calc(var(--tsg-nav-h) + 48px) 0 48px;
  border-bottom: 1px solid rgba(26,40,64,0.08);
}

.tsg-legal-header h1 {
  font-family: var(--tsg-font-heading);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin-bottom: 8px;
}

.tsg-legal-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px;
  font-family: var(--tsg-font-body);
  font-size: 16px;
  color: var(--tsg-text-ink);
  line-height: 1.8;
}

.tsg-legal-content h2 {
  font-family: var(--tsg-font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin: 36px 0 12px;
}

.tsg-legal-content h3 {
  font-family: var(--tsg-font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin: 24px 0 8px;
}

.tsg-legal-content p {
  margin-bottom: 16px;
}

.tsg-legal-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.tsg-legal-content ul li {
  margin-bottom: 6px;
}

.tsg-legal-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-sky-deep);
  text-decoration: underline;
}

/* ============================================================
   30. Office Info Section
   ============================================================ */
.tsg-office-info {
  padding: 48px 0 64px;
}

.tsg-office-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.tsg-office-details__col h3 {
  font-family: var(--tsg-font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin-bottom: 16px;
}

.tsg-office-line {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-steel);
  margin-bottom: 12px;
  line-height: 1.5;
}

.tsg-office-line i {
  color: var(--tsg-sky-deep);
  margin-top: 2px;
  font-size: 15px;
  flex-shrink: 0;
}

.tsg-office-line a {
  color: var(--tsg-sky-deep);
  text-decoration: underline;
  text-decoration-color: rgba(11,111,136,0.3);
}

@media (max-width: 640px) {
  .tsg-office-details {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ============================================================
   31. Footer
   ============================================================ */
.tsg-footer {
  background: var(--tsg-bg-hangar);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 32px;
}

.tsg-footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.tsg-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tsg-footer__logo img {
  height: 26px;
  width: auto;
}

.tsg-footer__tagline {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-slate);
  line-height: 1.6;
  max-width: 280px;
}

.tsg-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.tsg-footer__contact-line {
  font-family: var(--tsg-font-body);
  font-size: 12px;
  color: var(--tsg-text-slate);
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.tsg-footer__contact-line a {
  color: var(--tsg-text-slate);
  transition: color var(--tsg-transition);
}

.tsg-footer__contact-line a:hover {
  color: var(--tsg-text-aluminium);
}

.tsg-footer__col-heading {
  font-family: var(--tsg-font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--tsg-text-aluminium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.tsg-footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tsg-footer__link {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-slate);
  transition: color var(--tsg-transition);
}

.tsg-footer__link:hover {
  color: var(--tsg-text-aluminium);
}

.tsg-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.tsg-footer__copyright {
  font-family: var(--tsg-font-body);
  font-size: 12px;
  color: var(--tsg-text-slate);
}

.tsg-footer__legal-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.tsg-footer__legal-link {
  font-family: var(--tsg-font-body);
  font-size: 12px;
  color: var(--tsg-text-slate);
  transition: color var(--tsg-transition);
}

.tsg-footer__legal-link:hover {
  color: var(--tsg-text-aluminium);
}

@media (max-width: 900px) {
  .tsg-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .tsg-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .tsg-footer__inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .tsg-footer__brand {
    grid-column: auto;
  }

  .tsg-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

/* ============================================================
   32. Cookie Banner
   ============================================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--tsg-bg-panel);
  border-top: 1px solid rgba(25,184,224,0.2);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.25);
}

.cookie-banner__inner {
  max-width: var(--tsg-container-max);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.cookie-banner__text {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  color: var(--tsg-text-slate);
  line-height: 1.6;
  max-width: 640px;
}

.cookie-banner__text a {
  color: var(--tsg-sky);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.cookie-banner__btn {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 9px 20px;
  border-radius: var(--tsg-radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--tsg-transition), color var(--tsg-transition);
}

.cookie-banner__btn--primary {
  background: var(--tsg-sky);
  color: var(--tsg-text-ink);
  border-color: var(--tsg-sky);
}

.cookie-banner__btn--primary:hover {
  background: #2fc6ec;
  border-color: #2fc6ec;
}

.cookie-banner__btn--secondary {
  background: transparent;
  color: var(--tsg-text-slate);
  border-color: rgba(139,164,194,0.3);
}

.cookie-banner__btn--secondary:hover {
  background: rgba(255,255,255,0.06);
  color: var(--tsg-text-aluminium);
  border-color: rgba(139,164,194,0.5);
}

@media (max-width: 640px) {
  .cookie-banner__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================
   33. Utility / Misc
   ============================================================ */
.tsg-text-sky {
  color: var(--tsg-sky);
}

.tsg-text-sky-deep {
  color: var(--tsg-sky-deep);
}

.tsg-text-aluminium {
  color: var(--tsg-text-aluminium);
}

.tsg-text-ink {
  color: var(--tsg-text-ink);
}

.tsg-text-slate {
  color: var(--tsg-text-slate);
}

.tsg-text-steel {
  color: var(--tsg-text-steel);
}

.tsg-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* Program details / partner criteria lists */
.tsg-checklist {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.tsg-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--tsg-font-body);
  font-size: 15px;
  color: var(--tsg-text-steel);
  line-height: 1.6;
}

.tsg-checklist__icon {
  width: 20px;
  height: 20px;
  background: rgba(25,184,224,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--tsg-sky);
  font-size: 11px;
  margin-top: 2px;
}

/* Data model schema item */
.tsg-schema-item {
  padding: 16px 20px;
  background: var(--tsg-bg-white);
  border-left: 3px solid var(--tsg-sky);
  border-radius: 0 var(--tsg-radius-sm) var(--tsg-radius-sm) 0;
  margin-bottom: 12px;
}

.tsg-schema-item:last-child {
  margin-bottom: 0;
}

.tsg-schema-item__key {
  font-family: var(--tsg-font-mono);
  font-size: 12px;
  color: var(--tsg-sky-deep);
  margin-bottom: 4px;
}

.tsg-schema-item__desc {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
}

.tsg-schema-item--dark {
  background: rgba(255,255,255,0.05);
  border-left-color: var(--tsg-sky);
}

.tsg-schema-item--dark .tsg-schema-item__key {
  color: var(--tsg-sky);
}

.tsg-schema-item--dark .tsg-schema-item__desc {
  color: var(--tsg-text-slate);
}

/* Security posture items */
.tsg-security-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tsg-security-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--tsg-bg-white);
  border-radius: var(--tsg-radius-sm);
  border: 1px solid rgba(26,40,64,0.07);
}

.tsg-security-item__icon {
  color: var(--tsg-sky-deep);
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.tsg-security-item__title {
  font-family: var(--tsg-font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin-bottom: 4px;
}

.tsg-security-item__body {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
  line-height: 1.6;
}

/* Architecture overview */
.tsg-arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tsg-arch-block {
  padding: 20px;
  background: var(--tsg-bg-manual);
  border-radius: var(--tsg-radius);
  border: 1px solid rgba(26,40,64,0.08);
}

.tsg-arch-block__label {
  font-family: var(--tsg-font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--tsg-sky-deep);
  margin-bottom: 8px;
}

.tsg-arch-block__title {
  font-family: var(--tsg-font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--tsg-text-ink);
  margin-bottom: 8px;
}

.tsg-arch-block__body {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
  line-height: 1.65;
}

@media (max-width: 640px) {
  .tsg-arch-grid {
    grid-template-columns: 1fr;
  }
}

/* Page-level body classes */
.tsg-page--dark-top,
.tsg-page--light-top {
  /* JS state hook, no styling */
}

/* ============================================================
   Phase-2c patch: orphan class definitions
   ============================================================ */

.tsg-nav__link.tsg-nav__link--active {
  color: var(--tsg-sky);
  opacity: 1;
}

.tsg-btn--outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--tsg-radius-sm);
  font-family: var(--tsg-font-heading);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  background: transparent;
  color: var(--tsg-text-ink);
  border: 2px solid rgba(26,40,64,0.4);
}

.tsg-btn--outline:hover {
  background: rgba(26,40,64,0.06);
  border-color: rgba(26,40,64,0.7);
}

.tsg-section-sub {
  font-family: var(--tsg-font-body);
  font-size: 16px;
  line-height: 1.7;
  max-width: 640px;
}

.tsg-section-sub--light {
  color: var(--tsg-text-steel);
}

.tsg-section-sub--dark {
  color: var(--tsg-text-slate);
}

.tsg-subhero__h1--dark {
  color: var(--tsg-text-ink);
}

.tsg-subhero__sub--dark {
  color: var(--tsg-text-steel);
}

.tsg-form-success__body {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  color: var(--tsg-text-ink);
  margin: 0;
  line-height: 1.6;
}

.tsg-auth-confirm-msg {
  font-family: var(--tsg-font-body);
  font-size: 14px;
  color: var(--tsg-navy);
  line-height: 1.6;
  margin: 0 0 16px;
}

.tsg-legal-header__updated {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
  margin-top: 4px;
}

.tsg-article-card__cover-link {
  display: block;
  line-height: 0;
  overflow: hidden;
  border-radius: var(--tsg-radius) var(--tsg-radius) 0 0;
}

.tsg-form-feedback {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  border-radius: var(--tsg-radius-sm);
  padding: 10px 14px;
  margin-bottom: 14px;
  line-height: 1.5;
}

.tsg-form-feedback--error {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.2);
  color: #DC2626;
  display: none;
}

.tsg-form-feedback--error.is-visible {
  display: block;
}

/* ============================================================
   34. Related Articles (More from Ops Log)
   ============================================================ */
.tsg-related {
  background: var(--tsg-bg-manual);
  padding: 64px 0;
  border-top: 1px solid rgba(26,40,64,0.08);
}

.tsg-related__heading {
  font-family: var(--tsg-font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--tsg-text-ink);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--tsg-sky);
  display: inline-block;
}

.tsg-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tsg-related__card {
  background: var(--tsg-bg-white);
  border-radius: var(--tsg-radius);
  border: 1px solid rgba(26,40,64,0.08);
  transition: box-shadow var(--tsg-transition), border-color var(--tsg-transition);
  display: flex;
  flex-direction: column;
}

.tsg-related__card:hover {
  box-shadow: 0 4px 20px rgba(26,40,64,0.1);
  border-color: rgba(25,184,224,0.25);
}

.tsg-related__card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.tsg-related__card-title {
  font-family: var(--tsg-font-heading);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 10px;
}

.tsg-related__card-link {
  color: var(--tsg-text-ink);
  transition: color var(--tsg-transition);
}

.tsg-related__card-link:hover {
  color: var(--tsg-sky-deep);
}

.tsg-related__card-date {
  display: block;
  font-family: var(--tsg-font-body);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tsg-text-steel);
  margin-bottom: 12px;
}

.tsg-related__card-excerpt {
  font-family: var(--tsg-font-body);
  font-size: 13px;
  color: var(--tsg-text-steel);
  line-height: 1.65;
  flex: 1;
}

@media (max-width: 768px) {
  .tsg-related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .tsg-related {
    padding: 48px 0;
  }
  .tsg-related__grid {
    grid-template-columns: 1fr;
  }
}