@font-face {
  font-family: 'Mohave';
  src: url('assets/fonts/Mohave/Mohave-VariableFont_wght.ttf') format('truetype');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Mohave';
  src: url('assets/fonts/Mohave/Mohave-Italic-VariableFont_wght.ttf') format('truetype');
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  width: 100%;
  overflow-x: hidden;
  background: #06060a;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #fff;
}

::-webkit-scrollbar { display: none; }

::selection {
  background: #000000;
  color: #fff;
}

/* ── Scene / Background ─────────────────────── */

.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

#bg-canvas {
  position: absolute;
  inset: 0;
}

.scene-grain {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='256' height='256'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 192px 192px;
}

.scene-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 100% 100% at 50% 50%, transparent 18%, rgba(0,0,0,0.97) 100%);
}

/* ── Hero ───────────────────────────────────── */

.hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  user-select: none;
  margin-top: -40px;
}

.scroll-caret {
  position: absolute;
  bottom: 28px;
  left: 50%;
  width: 13px;
  height: 13px;
  border-right: 1px solid rgba(255, 255, 255, 0.28);
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  opacity: 0;
  animation: caretFadeIn 1s ease 10s forwards, caretBounce 2s ease-in-out 10s infinite;
  z-index: 2;
}

@keyframes caretFadeIn {
  to { opacity: 1; }
}

@keyframes caretBounce {
  0%, 100% { transform: translateX(-50%) translateY(0)   rotate(45deg); }
  50%       { transform: translateX(-50%) translateY(6px) rotate(45deg); }
}

.hero-video-top {
  position: relative;
  height: 50vh;
  overflow: hidden;
  background: #06060a;
  flex-shrink: 0;
}

#hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  pointer-events: none;
}

.hero-video-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 65%;
  background: linear-gradient(to bottom, transparent, #06060a);
  pointer-events: none;
  z-index: 1;
}

.hero-content-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 0 24px;
}

.wordmark {
  display: flex;
  align-items: center;
}

.wordmark img {
  height: 58px;
  width: auto;
  filter: brightness(0) invert(1) drop-shadow(0 0 24px rgba(255,255,255,0.28));
}

.subtitle {
  margin-bottom: 18px;
  font-family: 'Mohave', sans-serif;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.42);
  padding-right: 0.3em;
}

.v-rule {
  margin: 36px 0 18px;
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom,
    transparent,
    rgba(255, 255, 255, 0.22) 25%,
    rgba(255, 255, 255, 0.22) 75%,
    transparent
  );
}

.logos {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 40px;
  margin-left: 16px;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-link img {
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.5;
  transition: opacity 0.28s ease;
  display: block;
}

.logo-link:hover img { opacity: 0.88; }

.logo-tesla  img { height: 17px; }
.logo-xai    img { height: 22px; }
.logo-spacex img { height: 22px; }

.logo-sep {
  width: 1px;
  height: 13px;
  background: rgba(255, 255, 255, 0.16);
  flex-shrink: 0;
}

.buttons {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 30px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.btn-solid {
  background: rgba(255, 255, 255, 0.94);
  color: #08080f;
  border: 1px solid transparent;
}

.btn-solid:hover { background: #ffffff; }

.btn-ghost {
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.4);
  color: rgba(255, 255, 255, 0.94);
}

/* ── Hero entrance animations ────────────────── */

.appear {
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.d1 { animation-delay: 0.12s; }
.d2 { animation-delay: 0.28s; }
.d3 { animation-delay: 0.44s; }
.d4 { animation-delay: 0.58s; }
.d5 { animation-delay: 0.70s; }

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

/* ── First text (splash) ─────────────────────── */

.section-splash-text {
  position: relative;
  z-index: 1;
  padding: 88px 24px 20px;
  display: flex;
  justify-content: center;
}

.splash-text {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(1rem, 2vw, 1.45rem);
  font-weight: 300;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.62);
  max-width: 660px;
  text-align: center;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.splash-text.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Reveal section (second text) ───────────── */

.section-reveal {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding: 180px 24px 220px;
  background: linear-gradient(to bottom,
    transparent 0%,
    #06060a 180px,
    #06060a calc(100% - 200px),
    transparent 100%
  );
}

.reveal-text {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 300;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.74);
  max-width: 740px;
  text-align: center;
}

.reveal-line {
  display: block;
}

.reveal-line.bold {
  font-weight: 500;
}

.char {
  display: inline-block;
  opacity: 0;
  transition: opacity 0.35s ease-out;
}

.char.is-visible {
  opacity: 1;
}

/* ── Aspire section ─────────────────────── */

.section-aspire {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-start;
  padding: 40px 24px 48px 10%;
}

.aspire-text {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 300;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.80);
  text-align: left;
}

/* ── Kardashev section ───────────────────── */

.kard-universe {
  position: relative;
}

.kard-bg-video {
  position: absolute;
  top: -200px;
  left: 0;
  right: 0;
  bottom: 0;
  object-fit: cover;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  width: 100%;
}

.section-kardashev {
  position: relative;
  z-index: 1;
  padding: 0 24px 220px 10%;
}

.kard-word {
  display: block;
  font-family: 'Mohave', sans-serif;
  font-size: clamp(4rem, 8.8vw, 8.8rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #ffffff;
  line-height: 1.0;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.18s ease-out, transform 0.18s ease-out;
}

.kard-word.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Kardashev timeline ─────────────────────── */

.kard-scale-row {
  display: flex;
  align-items: flex-start;
}

.kard-timeline {
  flex: 1;
  padding-left: 28px;
  margin-top: calc(clamp(2rem, 4.4vw, 4.4rem) - 4.5px);
  opacity: 0;
  transition: opacity 0.45s ease;
}

.kard-timeline.is-visible { opacity: 1; }

.timeline-track {
  position: relative;
  display: flex;
  align-items: flex-start;
}

.timeline-line {
  position: absolute;
  top: 4px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right,
    rgba(255,255,255,0.20),
    rgba(255,255,255,0.26) 8%,
    rgba(255,255,255,0.26) 92%,
    rgba(255,255,255,0.08)
  );
}

.timeline-tier {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.tier-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #fff;
  box-shadow:
    0 0 6px 2px rgba(255,255,255,0.50),
    0 0 14px 5px rgba(255,255,255,0.16);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  transition: box-shadow 0.22s ease;
}

.timeline-tier:hover .tier-dot,
.timeline-tier.is-active .tier-dot {
  box-shadow:
    0 0 10px 3px rgba(255,255,255,0.85),
    0 0 24px 8px rgba(255,255,255,0.28);
}

.tier-drop-line {
  width: 1px;
  height: 18px;
  background: rgba(255,255,255,0.20);
  flex-shrink: 0;
}

.tier-box {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  padding: 13px 18px;
  text-align: left;
  cursor: pointer;
  color: #fff;
  width: min(90%, 200px);
  transition: border-color 0.22s ease, background 0.22s ease;
}

.timeline-tier:hover .tier-box,
.timeline-tier.is-active .tier-box {
  border-color: rgba(255,255,255,0.46);
  background: rgba(255,255,255,0.04);
}

.tier-label {
  font-family: 'Mohave', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.86);
  margin-bottom: 7px;
}

.tier-desc {
  font-family: 'Mohave', sans-serif;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.55;
  color: rgba(255,255,255,0.52);
}

.tier-desc strong {
  font-weight: 500;
  color: rgba(255,255,255,0.82);
}

/* ── "What will it take?" section ───────────── */

.section-wtit {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding: 120px 24px 60px;
  background: #06060a;
}

.wtit-text {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.78);
  text-align: center;
}

/* ── Harnessing block (text + bullets) ───────── */

.section-harnessing-block {
  position: relative;
  z-index: 10;
}

.harn-scroll-track {
  height: 300vh;
  position: relative;
}

.harn-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: #06060a;
}

.harn-sun-img {
  position: absolute;
  top: 0;
  left: calc(-30vw + 50px);
  width: 200vw;
  height: auto;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  will-change: transform;
}

.you-are-here {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: calc(24% + 50px);
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 15px;
  pointer-events: none;
}

.yah-line {
  width: 36px;
  height: 1px;
  background: rgba(255, 255, 255, 0.35);
  flex-shrink: 0;
}

.yah-label {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.75rem, 1.1vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
}

.harn-content {
  position: absolute;
  top: 50%;
  left: 8%;
  right: 55%;
  transform: translateY(-50%);
  z-index: 2;
}

.bullets-container {
  margin-top: 40px;
}

.bullet-item {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.85rem, 1.4vw, 1.05rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.58);
  line-height: 2.2;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.18s ease-out, transform 0.18s ease-out;
}

.bullet-item.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Scaling section ─────────────────────────── */

.section-scaling {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding: 80px 6% 220px;
  background: #06060a;
}

.scaling-inner {
  width: fit-content;
  display: flex;
  flex-direction: column;
}

.scaling-header {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(2rem, 4.2vw, 3.8rem);
  font-weight: 300;
  letter-spacing: 0.07em;
  color: rgba(255, 255, 255, 0.82);
  text-align: center;
  white-space: nowrap;
}

.scaling-stats {
  margin-top: 48px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.scaling-stats.is-visible { opacity: 1; }

.stat-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 12px;
}

.stat-content {
  display: grid;
}

.stat-number {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.96);
  white-space: nowrap;
  line-height: 1;
  text-align: center;
}

.stat-label {
  margin-top: 12px;
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.75rem, 1.3vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.40);
  line-height: 1.65;
  text-align: center;
}

/* ── Scale bars ─────────────────────────────── */

.scale-bar-row {
  margin-top: 56px;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  position: relative;
}

.scale-bar-col {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  justify-content: center;
  gap: 14px;
  padding: 0 12px;
  overflow: hidden;
}

.scale-bar-clip {
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  position: relative;
}

.scale-bar-img {
  display: block;
  width: auto;
  transform: translateY(100%);
  transition-property: transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-bar-label {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.9rem, 1.6vw, 1.25rem);
  font-weight: 300;
  letter-spacing: 0.10em;
  color: #ffffff;
  text-align: right;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(400px);
  transition-property: transform, opacity;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Builders section ────────────────────────── */

.section-builders {
  position: relative;
  z-index: 1;
  padding: 40px 10% 220px 10%;
}

.builders-logos {
  margin-top: 56px;
  display: flex;
  justify-content: space-between;
  gap: 32px;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.builders-logos.is-visible { opacity: 1; }

.builder-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.builder-rule {
  margin-top: 18px;
  width: 96%;
  height: 1px;
  background: linear-gradient(to right, rgba(255,255,255,0.18), rgba(255,255,255,0.05));
}

.builder-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.builder-list-item {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.78rem, 1.2vw, 0.95rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.50);
  line-height: 2.1;
}

/* ── Chip gallery ───────────────────────────────── */

.section-chip-gallery {
  position: relative;
  z-index: 1;
  padding: 0 12% 120px;
  opacity: 0;
  transition: opacity 0.9s ease;
}

.section-chip-gallery.is-visible { opacity: 1; }

.section-chip-gallery::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, #06060a);
  pointer-events: none;
}

.chip-gallery {
  display: flex;
  justify-content: center;
  gap: 18px;
}

.chip-card {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
}

.chip-card-front {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 13;
}

.chip-card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.chip-label {
  position: absolute;
  top: 13px;
  left: 13px;
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.62rem, 0.9vw, 0.78rem);
  font-weight: 300;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.88);
  text-transform: uppercase;
  pointer-events: none;
}

.chip-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 6, 10, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.chip-card:hover .chip-hover-overlay {
  opacity: 1;
}

.chip-back-text {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.9rem, 1.6vw, 1.3rem);
  font-weight: 300;
  letter-spacing: 0.10em;
  color: rgba(255, 255, 255, 0.90);
  text-align: center;
  line-height: 1.5;
  text-transform: uppercase;
  padding: 0 20px;
}

/* ── Mass driver video section ──────────────────── */

.section-space-compute {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 160vh;
  overflow: hidden;
  background: #06060a;
}

.space-compute-bg-video {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: auto;
  transform: translateY(-50%);
  z-index: 0;
  pointer-events: none;
}

.section-space-compute::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, #06060a, transparent);
  pointer-events: none;
  z-index: 1;
}

.section-space-compute::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 55%;
  background: linear-gradient(to bottom, transparent 0%, rgba(6,6,10,0.5) 30%, rgba(6,6,10,0.85) 55%, #06060a 80%, #06060a 100%);
  pointer-events: none;
  z-index: 1;
}

.space-compute-text {
  position: absolute;
  top: 27%;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  width: 80%;
  text-align: center;
  font-family: 'Mohave', sans-serif;
  font-size: clamp(1.6rem, 3.0vw, 2.4rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.5;
  background: linear-gradient(to right,
    rgba(255,255,255,0.22)  0%,
    rgba(255,255,255,0.72) 31%,
    rgba(255,255,255,1.00) 57%,
    rgba(255,255,255,0.72) 77%,
    rgba(255,255,255,0.22) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transition: opacity 1.3s ease, transform 1.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2;
}

.space-compute-text.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.space-compute-groups {
  position: absolute;
  bottom: 14%;
  left: 10%;
  display: flex;
  gap: 60px;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.9s ease;
}

.space-compute-groups.is-visible { opacity: 1; }

.compute-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.compute-group-title {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.95rem, 1.4vw, 1.2rem);
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}

.compute-group-rule {
  margin-top: 14px;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, rgba(255,255,255,0.18), rgba(255,255,255,0.05));
}

.compute-group-list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
}

.compute-group-item {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.78rem, 1.2vw, 0.95rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.50);
  line-height: 2.1;
  white-space: nowrap;
}

.section-mass-drive {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.section-mass-drive::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, #06060a);
  pointer-events: none;
}

.section-mass-drive.is-visible { opacity: 1; }

.mass-drive-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mass-drive-text {
  position: absolute;
  left: 10%;
  top: 50%;
  transform: translateY(calc(-50% - 15px));
}

.mass-drive-label {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.88rem, 1.5vw, 1.15rem);
  font-weight: 300;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.60);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.mass-drive-heading {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.88);
  text-transform: uppercase;
  line-height: 1.2;
}

/* ── Footer ─────────────────────────────────────── */

.section-footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 160px;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.section-footer.is-visible { opacity: 1; }

.footer-subtitle {
  font-family: 'Mohave', sans-serif;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 18px;
}

/* ── Chips heading section ──────────────────────── */

.section-chips-heading {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding: 80px 10% 80px;
}

.chips-heading-text {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.80);
  text-align: center;
}

/* ── Two-stat section ──────────────────────────── */

.section-two-stats {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  padding: 80px 10% 100px;
}

.two-stat-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  opacity: 0;
  transition: opacity 0.9s ease;
}

.two-stat-col.is-visible { opacity: 1; }

.two-stat-number {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(2rem, 4.4vw, 3.7rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #ffffff;
  white-space: nowrap;
  line-height: 1;
}

.two-stat-number--lg {
  transition: font-size 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.two-stat-year {
  font-size: 0.75em;
}

.two-stat-col.is-visible .two-stat-number--lg {
  font-size: clamp(3rem, 6.5vw, 5.5rem);
}

.two-stat-label {
  margin-top: 14px;
  font-family: 'Mohave', sans-serif;
  font-size: clamp(0.78rem, 1.3vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.10em;
  color: rgba(255, 255, 255, 0.40);
  line-height: 1.6;
}

/* ── Building photo ─────────────────────────── */

.section-building {
  position: relative;
  z-index: 1;
  width: 100%;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.section-building.is-visible { opacity: 1; }

.building-img {
  display: block;
  width: 100%;
  height: auto;
}

.building-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 50% at 0% 0%,   rgba(6,6,10,0.97) 0%, transparent 100%),
    radial-gradient(ellipse 55% 50% at 100% 0%, rgba(6,6,10,0.97) 0%, transparent 100%),
    radial-gradient(ellipse 90% 80% at 50% 50%, transparent 30%, #06060a 100%);
  pointer-events: none;
}