/* ==========================================
   SUSTAINABILITY PAGE
   ========================================== */

/* --- Hero --- */
.sus-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  padding: 0 3rem;
  background: var(--bg-primary);
}

/* Slideshow layer */
.sus-hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.sus-hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  will-change: auto;
  animation: susKenBurns 20s ease-in-out infinite alternate;
  animation-play-state: paused;
}

.sus-hero-slide.active {
  opacity: 1;
  will-change: opacity, transform;
  animation-play-state: running;
}

.sus-hero-slide picture {
  position: absolute;
  inset: 0;
}

.sus-hero-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Each slide gets a different Ken Burns origin for variety */
.sus-hero-slide:nth-child(1) { animation-name: susKB1; }
.sus-hero-slide:nth-child(2) { animation-name: susKB2; }
.sus-hero-slide:nth-child(3) { animation-name: susKB3; }
.sus-hero-slide:nth-child(4) { animation-name: susKB4; }
.sus-hero-slide:nth-child(5) { animation-name: susKB5; }

@keyframes susKB1 {
  0%   { transform: scale(1)    translate(0, 0); }
  100% { transform: scale(1.08) translate(-1.5%, -1%); }
}
@keyframes susKB2 {
  0%   { transform: scale(1.05) translate(1%, 0.5%); }
  100% { transform: scale(1)    translate(-0.5%, -0.5%); }
}
@keyframes susKB3 {
  0%   { transform: scale(1)    translate(0.5%, 0); }
  100% { transform: scale(1.07) translate(-1%, 0.5%); }
}
@keyframes susKB4 {
  0%   { transform: scale(1.06) translate(-0.5%, 0.5%); }
  100% { transform: scale(1)    translate(0.5%, -0.5%); }
}
@keyframes susKB5 {
  0%   { transform: scale(1)    translate(0, 0.5%); }
  100% { transform: scale(1.06) translate(0.5%, -1%); }
}

/* Location label — fixed position on hero, not inside slides */
.sus-hero-location {
  position: absolute;
  bottom: 2rem;
  right: 3rem;
  font-family: 'Geist', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: #FFFFFF;
  opacity: 0.8;
  z-index: 3;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  transition: opacity 0.4s ease;
  pointer-events: none;
}

/* Dark overlay — gradient from left for text readability */
.sus-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg,
    rgba(0, 18, 18, 0.85) 0%,
    rgba(0, 18, 18, 0.65) 35%,
    rgba(0, 18, 18, 0.3) 65%,
    rgba(0, 18, 18, 0.15) 100%);
  pointer-events: none;
}

[data-theme="light"] .sus-hero-overlay {
  background: linear-gradient(90deg,
    rgba(0, 18, 18, 0.75) 0%,
    rgba(0, 18, 18, 0.5) 35%,
    rgba(0, 18, 18, 0.2) 65%,
    rgba(0, 18, 18, 0.08) 100%);
}

.sus-hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  text-align: left;
  padding: 2rem 0;
}

.sus-hero-eyebrow {
  color: var(--accent-orange);
}

/* Force white text over photo backgrounds */
.sus-hero-headline {
  font-family: 'Geist', sans-serif;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  color: #FFFFFF;
  letter-spacing: -2px;
  margin-bottom: 0.5rem;
}

.sus-hero-headline .headline-gradient {
  color: var(--accent-orange);
}

[data-theme="light"] .sus-hero-eyebrow,
[data-theme="light"] .sus-hero-headline .headline-gradient {
  color: #5B9BD5;
}

.sus-hero-accent {
  display: block;
  font-family: 'Geist', sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--accent-orange);
  margin-bottom: 1.25rem;
}

[data-theme="light"] .sus-hero-accent {
  color: #5B9BD5;
}

.sus-hero-desc {
  font-family: 'Geist', sans-serif;
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 400;
  line-height: 1.6;
  color: rgba(224, 237, 232, 0.85);
  max-width: 520px;
  margin-bottom: 2rem;
}

.sus-hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2rem;
}

.sus-hero .scroll-indicator {
  color: rgba(255, 255, 255, 0.7);
}

/* Hero tags */
.sus-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.sus-hero-tag {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 100px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.05);
  opacity: 0;
  transform: translateY(8px);
  animation: susTagIn 0.5s ease forwards;
}

.sus-hero-tag:nth-child(1) { animation-delay: 0.3s; }
.sus-hero-tag:nth-child(2) { animation-delay: 0.45s; }
.sus-hero-tag:nth-child(3) { animation-delay: 0.6s; }
.sus-hero-tag:nth-child(4) { animation-delay: 0.75s; }

@keyframes susTagIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Section Rail --- */
.sus-section-rail {
  position: relative;
}

.sus-section-rail::before {
  content: '';
  position: absolute;
  left: 3rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(120, 175, 46, 0.08) 10%,
    rgba(120, 175, 46, 0.08) 90%,
    transparent 100%
  );
  z-index: 0;
  pointer-events: none;
}

/* --- Index markers --- */
.sus-index {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-right: 12px;
  text-transform: uppercase;
}

/* --- Sticky tab section registration --- */
.sticky-tab-section#approach,
.sticky-tab-section#efficiency,
.sticky-tab-section#power,
.sticky-tab-section#green {
  padding: 0;
}

/* ── Moss green (dark) / baby blue (light) alternating backgrounds ── */
html:not([data-theme="light"]) .sticky-tab-section#approach,
html:not([data-theme="light"]) .sticky-tab-section#power {
  background: #1B2F2B;
}

[data-theme="light"] .sticky-tab-section#approach,
[data-theme="light"] .sticky-tab-section#power {
  background: #9cc6db;
}

/* --- Approach Grid (text left, graphic right) --- */
.sus-approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: var(--section-max-width);
}

.sus-approach-graphic {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sus-approach-graphic picture {
  display: contents;
}

.sus-approach-graphic img {
  width: 100%;
  max-width: 480px;
  height: auto;
  object-fit: contain;
}

/* --- Thesis / Prose --- */
.sus-prose {
  max-width: 720px;
}

.sus-prose p {
  font-family: 'Geist', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

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

.sus-prose-accent {
  font-weight: 600;
}

.sus-prose-accent .sus-accent-word {
  color: var(--accent-orange);
  font-weight: 700;
}

/* --- Telemetry Strip --- */
.sus-telemetry {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin: 2.5rem 0;
}

.sus-telemetry-cell {
  background: var(--bg-card);
  padding: 1.5rem;
  text-align: center;
  position: relative;
}

.sus-telemetry-cell::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-orange);
  opacity: 0.4;
  animation: susPulse 3s ease-in-out infinite;
}

@keyframes susPulse {
  0%, 100% { opacity: 0.15; transform: scaleX(0.3); }
  50% { opacity: 0.6; transform: scaleX(1); }
}

.sus-telemetry-value {
  font-family: 'Geist Mono', monospace;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--accent-orange);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.sus-telemetry-label {
  font-family: 'Geist', sans-serif;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.sus-telemetry-proof {
  display: inline-block;
  font-family: 'Geist Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
}

.sus-telemetry-proof--measured {
  background: rgba(120, 175, 46, 0.15);
  color: #78AF2E;
}

.sus-telemetry-proof--estimated {
  background: rgba(220, 170, 50, 0.15);
  color: #DCAA32;
}

[data-theme="light"] .sus-telemetry-proof--measured {
  background: rgba(2, 94, 196, 0.12);
  color: #025EC4;
}

[data-theme="light"] .sus-telemetry-proof--estimated {
  background: rgba(180, 130, 20, 0.12);
  color: #8B6914;
}

/* --- Feature Grid --- */
.sus-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  max-width: var(--section-max-width);
}

.sus-feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.sus-feature-card h4 {
  font-family: 'Geist', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}

.sus-feature-card p {
  font-family: 'Geist', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --- Collapse Diagram (6 to 1) --- */
.sus-collapse {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin: 2.5rem 0;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.sus-collapse-left {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sus-collapse-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border: 1px solid rgba(220, 100, 80, 0.2);
  border-radius: 8px;
  background: var(--bg-card);
  font-family: 'Geist', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: opacity 0.4s ease, transform 0.6s ease;
}

.sus-collapse-item i,
.sus-collapse-item svg {
  width: 16px;
  height: 16px;
  opacity: 0.6;
}

.sus-collapse--active .sus-collapse-item {
  opacity: 0.3;
  transform: translateX(30px) scale(0.9);
}

.sus-collapse--active .sus-collapse-item:nth-child(1) { transition-delay: 0s; }
.sus-collapse--active .sus-collapse-item:nth-child(2) { transition-delay: 0.06s; }
.sus-collapse--active .sus-collapse-item:nth-child(3) { transition-delay: 0.12s; }
.sus-collapse--active .sus-collapse-item:nth-child(4) { transition-delay: 0.18s; }
.sus-collapse--active .sus-collapse-item:nth-child(5) { transition-delay: 0.24s; }
.sus-collapse--active .sus-collapse-item:nth-child(6) { transition-delay: 0.3s; }

.sus-collapse-arrow {
  font-family: 'Geist Mono', monospace;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.5s ease 0.5s;
}

.sus-collapse--active .sus-collapse-arrow {
  opacity: 1;
}

.sus-collapse-omni {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 1.5rem;
  border: 2px solid var(--accent-orange);
  border-radius: 12px;
  background: var(--bg-card);
  text-align: center;
  opacity: 0.3;
  transform: scale(0.9);
  transition: opacity 0.5s ease 0.4s, transform 0.5s ease 0.4s, box-shadow 0.5s ease 0.4s;
}

.sus-collapse--active .sus-collapse-omni {
  opacity: 1;
  transform: scale(1);
  box-shadow: 0 0 30px rgba(120, 175, 46, 0.15);
}

.sus-collapse-omni i,
.sus-collapse-omni svg {
  width: 32px;
  height: 32px;
  color: var(--accent-orange);
}

.sus-collapse-omni-label {
  font-family: 'Geist', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-bright);
}

.sus-collapse-count {
  font-family: 'Geist Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-orange);
  opacity: 0;
  transition: opacity 0.4s ease 0.7s;
}

.sus-collapse--active .sus-collapse-count {
  opacity: 1;
}

/* Collapse stats */
.sus-collapse-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 2rem;
}

.sus-collapse-stat {
  background: var(--bg-card);
  padding: 1.25rem;
  text-align: center;
}

.sus-collapse-stat-value {
  font-family: 'Geist Mono', monospace;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--accent-orange);
  margin-bottom: 0.25rem;
}

.sus-collapse-stat-label {
  font-family: 'Geist', sans-serif;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.sus-collapse-stat-proof {
  display: inline-block;
  font-family: 'Geist Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
}

/* --- Timeline --- */
.sus-timeline {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin: 2.5rem 0;
  padding: 1rem 0;
}

.sus-timeline-line {
  position: absolute;
  top: calc(1rem + 6px);
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
}

.sus-timeline-node {
  flex: 1;
  position: relative;
  text-align: center;
  padding-top: 2rem;
}

.sus-timeline-node::before {
  content: '';
  position: absolute;
  top: calc(1rem);
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--text-muted);
  z-index: 1;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.sus-timeline-node--past::before {
  border-color: var(--accent-orange);
  background: var(--accent-orange);
}

.sus-timeline-year {
  font-family: 'Geist Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
}

.sus-timeline-node--past .sus-timeline-year {
  color: var(--accent-orange);
}

.sus-timeline-text {
  font-family: 'Geist', sans-serif;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
  max-width: 180px;
  margin: 0 auto;
}

/* --- Community Grid + Photo --- */
.sus-community-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
  align-items: start;
}

.sus-community-photo {
  border-radius: 12px;
  overflow: hidden;
  min-height: 320px;
  max-height: 480px;
}

.sus-community-photo picture {
  display: block;
  width: 100%;
  height: 100%;
}

.sus-community-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 12px;
  transition: opacity 0.4s ease;
}

/* --- Accordion (sus namespace) --- */
.sus-accord-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sus-accord-item {
  border-bottom: 1px solid var(--border);
}

.sus-accord-item:last-child {
  border-bottom: none;
}

.sus-accord-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.25rem 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Geist', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
  text-align: left;
  transition: background 0.2s ease;
}

.sus-accord-header:hover {
  background: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] .sus-accord-header:hover {
  background: rgba(0, 0, 0, 0.02);
}

.sus-accord-header:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 2px;
  border-radius: 4px;
}

.sus-accord-arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.sus-accord-item.active .sus-accord-arrow {
  transform: rotate(180deg);
}

.sus-accord-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.sus-accord-text {
  font-family: 'Geist', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  padding-bottom: 1.25rem;
}

/* --- Metrics Grid --- */
.sus-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  max-width: var(--section-max-width);
}

.sus-metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.sus-metric-card--pending {
  opacity: 0.5;
  border-style: dashed;
}

.sus-metric-value {
  font-family: 'Geist Mono', monospace;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--accent-orange);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.sus-metric-card--pending .sus-metric-value {
  color: var(--text-muted);
}

.sus-metric-label {
  font-family: 'Geist', sans-serif;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.sus-metric-proof {
  display: inline-block;
  font-family: 'Geist Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 4px;
}

.sus-metric-proof--measured {
  background: rgba(120, 175, 46, 0.15);
  color: #78AF2E;
}

.sus-metric-proof--coming {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

[data-theme="light"] .sus-metric-proof--measured {
  background: rgba(2, 94, 196, 0.12);
  color: #025EC4;
}

[data-theme="light"] .sus-metric-proof--coming {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-muted);
}

/* --- Tech Tie-In --- */
.sus-techlink-section {
  padding: 60px 3rem;
  background: var(--bg-primary);
}

.sus-techlink-container {
  max-width: var(--section-max-width);
  margin: 0 auto;
}

.sus-techlink-title {
  font-family: 'Geist', sans-serif;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}

.sus-techlink-sub {
  font-family: 'Geist', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2rem;
}

.sus-techlink-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.sus-link-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sus-link-card:hover {
  border-color: var(--accent-orange);
  transform: translateY(-2px);
}

.sus-link-card i,
.sus-link-card svg {
  width: 24px;
  height: 24px;
  color: var(--accent-orange);
}

.sus-link-card-title {
  font-family: 'Geist', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-bright);
}

.sus-link-card-desc {
  font-family: 'Geist', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.sus-link-card-arrow {
  font-family: 'Geist', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
}

/* --- Section containers --- */
.sus-section-container {
  max-width: var(--section-max-width);
  margin: 0 auto;
}

.sus-section-eyebrow {
  color: var(--accent-orange);
  margin-bottom: 0.5rem;
}

.sus-section-subhead {
  font-family: 'Geist', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 2rem;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

/* Tablet */
@media (max-width: 1024px) {
  .sus-approach-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .sus-approach-graphic {
    order: -1;
  }

  .sus-approach-graphic img {
    max-width: 360px;
  }

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

  .sus-collapse {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .sus-collapse--active .sus-collapse-item {
    transform: translateY(20px) scale(0.9);
  }

  .sus-collapse-arrow {
    display: none;
  }

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

  .sus-community-grid {
    grid-template-columns: 1fr;
  }

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

  .sus-techlink-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .sus-hero {
    padding: 0 1.5rem;
  }

  .sus-hero-headline {
    letter-spacing: -1px;
  }

  .sus-hero-location {
    right: 1.5rem;
    bottom: 1.5rem;
    font-size: 11px;
  }

  .sus-section-rail::before {
    display: none;
  }

  .sus-feature-grid {
    grid-template-columns: 1fr;
  }

  .sus-timeline {
    flex-direction: column;
    gap: 1.5rem;
    padding-left: 2rem;
  }

  .sus-timeline-line {
    top: 0;
    bottom: 0;
    left: 6px;
    width: 2px;
    height: auto;
    right: auto;
  }

  .sus-timeline-node {
    text-align: left;
    padding-top: 0;
    padding-left: 1.5rem;
  }

  .sus-timeline-node::before {
    left: -2rem;
    top: 4px;
    transform: none;
  }

  .sus-timeline-text {
    max-width: none;
  }

  .sus-telemetry {
    grid-template-columns: 1fr 1fr;
  }

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

  .sus-metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sus-techlink-section {
    padding: 3rem 1.5rem;
  }
}

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

  .sus-metrics-grid {
    grid-template-columns: 1fr;
  }

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

/* ==========================================
   REDUCED MOTION
   ========================================== */
@media (prefers-reduced-motion: reduce) {
  .sus-hero-slide {
    animation: none;
    transition: none;
  }

  .sus-hero-tag {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .sus-telemetry-cell::after {
    animation: none;
    opacity: 0.3;
    transform: none;
  }

  .sus-collapse-item,
  .sus-collapse-arrow,
  .sus-collapse-omni,
  .sus-collapse-count {
    transition: none;
  }

  .sus-collapse-item {
    opacity: 0.3;
    transform: translateY(20px) scale(0.9);
  }

  .sus-collapse--active .sus-collapse-item {
    opacity: 0.3;
    transform: translateY(20px) scale(0.9);
  }

  .sus-collapse-arrow { opacity: 1; }
  .sus-collapse-omni { opacity: 1; transform: scale(1); }
  .sus-collapse-count { opacity: 1; }

  .sus-accord-body {
    transition: none;
  }

  .scroll-animate {
    opacity: 1;
    transform: none;
    transition: none;
  }
}