@font-face {
  font-family: 'Geist Mono';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('fonts/GeistMono-variable.woff2') format('woff2');
}

@font-face {
  font-family: 'Universal Sans Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/UniversalSans_Display_400-s.p.0a3_w6r7rg0bg.otf') format('opentype');
}

@font-face {
  font-family: 'Universal Sans Display';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/UniversalSans_Display_400Italic-s.p.0e1~801kgqjii.otf') format('opentype');
}

@font-face {
  font-family: 'Universal Sans Display';
  font-style: normal;
  font-weight: 500 900;
  font-display: swap;
  src: url('fonts/UniversalSans_Display_550-s.p.0f~s1aggm3b-h.otf') format('opentype');
}

@font-face {
  font-family: 'Universal Sans Display';
  font-style: italic;
  font-weight: 500 900;
  font-display: swap;
  src: url('fonts/UniversalSans_Display_550Italic-s.p.0c7ny7rpp9ufq.otf') format('opentype');
}

@font-face {
  font-family: 'Universal Sans Text';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/UniversalSans_Text_400-s.p.06he22w9ae9uz.otf') format('opentype');
}

@font-face {
  font-family: 'Universal Sans Text';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/UniversalSans_Text_400Italic-s.p.0t4u8oqlw5.9.otf') format('opentype');
}

@font-face {
  font-family: 'Universal Sans Text';
  font-style: normal;
  font-weight: 500 900;
  font-display: swap;
  src: url('fonts/UniversalSans_Text_550-s.p.0v0vvoupxwn1c.otf') format('opentype');
}

@font-face {
  font-family: 'Universal Sans Text';
  font-style: italic;
  font-weight: 500 900;
  font-display: swap;
  src: url('fonts/UniversalSans_Text_550Italic-s.p.1255s5ghf7uud.otf') format('opentype');
}

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

:root {
  --brand-gradient: linear-gradient(225deg, rgba(1, 46, 174, 1) 3%, rgba(255, 4, 3, 1) 50%, rgba(232, 108, 0, 1) 100%);
  --orange: #f17219;
  --content-width: 1280px;
  --font-display: 'Universal Sans Display', system-ui, sans-serif;
  --font-body: 'Universal Sans Text', system-ui, sans-serif;
  --font-mono: 'Geist Mono', 'Courier New', monospace;
}

/* Registered for smooth gradient transition on mouse move */
@property --hx {
  syntax: '<percentage>';
  initial-value: 50%;
  inherits: true;
}
@property --hy {
  syntax: '<percentage>';
  initial-value: 40%;
  inherits: true;
}

html {
  scroll-behavior: smooth;
}

html, body {
  background-color: #fff;
  /* Lightweight CSS graph-paper grid — replaces the 1.35 MB bg-texture.svg.
     Reproduces the fine 12px / 24px grid lines without the network or
     per-paint rasterization cost of tiling a 7,400-path SVG. */
  background-image:
    repeating-linear-gradient(to right,  rgba(17, 24, 39, 0.017) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(to bottom, rgba(17, 24, 39, 0.017) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(to right,  rgba(17, 24, 39, 0.008) 0 1px, transparent 1px 12px),
    repeating-linear-gradient(to bottom, rgba(17, 24, 39, 0.008) 0 1px, transparent 1px 12px);
  color: #000;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* ── NAV ─────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  justify-content: center;
}

.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  mask: linear-gradient(black, black, transparent);
  -webkit-mask: linear-gradient(black, black, transparent);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.nav.scrolled::before {
  opacity: 1;
}

.nav-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--content-width);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  width: 225px;
  flex-shrink: 0;
}

.nav-logo-mark {
  height: 32px;
  width: auto;
}

.nav-logo-dark {
  display: none;
}

.nav:not(.over-dark) .nav-logo-light {
  display: none;
}

.nav:not(.over-dark) .nav-logo-dark {
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  transition: opacity 0.15s, color 0.35s ease;
}

.nav:not(.over-dark) .nav-links a {
  color: #000;
}

.nav-links a:hover {
  opacity: 0.65;
}

.nav-cta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  width: auto;
  flex-shrink: 0;
}

/* "Book a meeting" controls are <button> elements (Cal popup triggers).
   Normalize the native button so they match the anchor-based buttons. */
button.btn-book-nav,
button.btn-initiative {
  margin: 0;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

/* Secondary "Book a meeting" button in the nav — adapts to the
   light/dark (over-dark) nav state like the nav links do. */
.btn-book-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 6px;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.35s ease, border-color 0.35s ease;
}
.btn-book-nav:hover {
  background: rgba(255, 255, 255, 0.1);
}
.nav:not(.over-dark) .btn-book-nav {
  color: #000;
  border-color: rgba(0, 0, 0, 0.2);
}
.nav:not(.over-dark) .btn-book-nav:hover {
  background: rgba(0, 0, 0, 0.05);
}

.btn-primary {
  display: inline-block;
  padding: 10px 16px;
  background: var(--brand-gradient);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  position: relative;
  transition: all 0.2s ease;
}
.btn-primary::after {
  content: '';
  position: absolute;
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  top: -2px;
  left: -2px;
  border-radius: 6px;
  background: url('images/texture-btn.png') repeat;
  pointer-events: none;
}
.btn-primary:hover { filter: brightness(1.1); }

/* Orange CTA button */
.btn-orange {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 24px;
  background: #351B10;
  border: 2px solid #93431E;
  border-radius: 6px;
  color: #FE4801;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  position: relative;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-orange::after {
  content: '';
  position: absolute;
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  top: -2px;
  left: -2px;
  border-radius: 6px;
  background: url('images/texture-btn.png') repeat;
  pointer-events: none;
}
.btn-orange:hover { filter: brightness(1.2); }

/* Ghost dark button — Resend-style frosted glass */
.btn-ghost-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 24px;
  background-origin: border-box;
  background: linear-gradient(104deg, rgba(253,253,253,0.05) 5%, rgba(240,240,228,0.1) 100%);
  border: 2px solid rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  position: relative;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-ghost-dark::after {
  content: '';
  position: absolute;
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  top: -2px;
  left: -2px;
  border-radius: 6px;
  background: url('images/texture-btn.png') repeat;
  pointer-events: none;
}
.btn-ghost-dark:hover {
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  box-shadow: 0px 0px 4px rgba(255,255,255,0.06), 0px 1px 14px rgba(255,255,255,0.12), 0px 3px 32px rgba(255,255,255,0.18);
}


/* ── HERO ─────────────────────────────────────────────── */

.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  min-height: 1007px;
  padding: 0 0 96px;
  background: #000;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background-image: url('images/reflection-bg.png');
  background-size: 100% 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 216px 24px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 64px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 32px;
}

.hero-mark {
  height: 160px;
  width: auto;
}

/* Hidden by default; shown only in concept C */
.hero-full-logo { display: none; }
.hero-cta-row   { display: none; }
.hero-grid      { display: none; }
.hero-bg-light  { display: none; }
.team-grid      { display: none; }

.hero-tag {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  color: #fff;
}

.hero-tag strong {
  font-weight: 700;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: 80px;
  line-height: 1.1;
  font-weight: 400;
  background: linear-gradient(132deg, #ffffff 60%, #000 110%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 24px;
  color: #fff;
  max-width: 557px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.btn-initiative {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 20px 24px;
  background: #fff;
  border: 2px solid rgba(0, 0, 0, 0.06);
  border-radius: 6px;
  color: #000;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  position: relative;
  transition: all 0.2s ease;
}
.btn-initiative::after {
  content: '';
  position: absolute;
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  top: -2px;
  left: -2px;
  border-radius: 6px;
  background: url('images/texture-btn.png') repeat;
  pointer-events: none;
}
.btn-initiative:hover { opacity: 0.9; }

.btn-arrow {
  display: inline-flex;
  align-items: center;
  transform: translateX(0);
  transition: transform 0.25s ease;
}

.btn-arrow svg {
  width: 20px;
  height: 20px;
  display: block;
}

.btn-arrow .arrow-shaft {
  stroke-dasharray: 10;
  stroke-dashoffset: 10;
  transition: stroke-dashoffset 0.25s ease;
}

.btn-initiative:hover .btn-arrow {
  transform: translateX(3px);
}

.btn-initiative:hover .arrow-shaft {
  stroke-dashoffset: 0;
}


/* ── SOLUTION ────────────────────────────────────────────── */

.solution {
  width: 100%;
  padding: 96px 0;
}

.solution-inner {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.solution-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
}

.solution-header-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.solution-tag {
  color: #000;
  font-family: var(--font-display);
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.solution-headline {
  font-family: 'General Sans', system-ui, sans-serif;
  font-size: 48px;
  line-height: 1.1;
  font-weight: 500;
  color: #000;
}

.solution-headline-accent {
  background: linear-gradient(225deg, rgba(232, 108, 0, 1) 0%, rgba(255, 4, 3, 1) 57%, rgba(1, 46, 174, 1) 80%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.solution-intro {
  width: 460px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 24px;
  color: #000;
}

.solution-features {
  display: flex;
  gap: 32px;
}

.feature {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-icon {
  width: 32px;
  height: 32px;
}

.feature-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: #000;
}

.feature-body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 20px;
  color: rgba(0, 0, 0, 0.6);
}


/* ── COMPARISON ─────────────────────────────────────────── */

.comparison {
  width: 100%;
  padding: 96px 0;
}

.comparison-inner {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.comparison-headline {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  text-align: center;
  background: linear-gradient(168deg, #000 63%, rgba(0, 0, 0, 0.25) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.comparison-table {
  width: 100%;
  display: flex;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.comparison-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px;
}

.comparison-col + .comparison-col {
  border-left: 1px solid rgba(0, 0, 0, 0.1);
}

.comparison-badge {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: #fff;
}

.comparison-badge--problem {
  background: #1b1e24;
}

.comparison-badge--solution {
  background: var(--brand-gradient);
  border-bottom: 2px solid var(--orange);
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.comparison-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  font-family: var(--font-body);
  font-size: 16px;
  color: #000;
}

.comparison-item:first-child {
  padding-top: 0;
}

.comparison-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.comparison-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}


/* ── EARLY DEV ───────────────────────────────────────────── */

.early-dev {
  width: 100%;
  padding: 0 24px 96px;
  display: flex;
  justify-content: center;
}

.early-dev .callout-inner {
  aspect-ratio: auto;
  max-width: var(--content-width);
}

.early-dev-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  width: 100%;
  padding: 72px 56px;
}

.early-dev-copy {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 520px;
}

/* Row holding the "Get in touch" + "Book a meeting" buttons */
.early-dev-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.early-dev-text {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.3;
  color: #fff;
}

.early-dev-sub {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}


/* ── CALLOUT ─────────────────────────────────────────────── */

.callout {
  width: 100%;
  padding: 0 24px;
  display: flex;
  justify-content: center;
}

.callout-inner {
  position: relative;
  width: 100%;
  max-width: 1536px;
  aspect-ratio: 2 / 1;
  border-radius: 10px;
  overflow: hidden;
  background-image: url('images/callout-inner-bg.svg');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.callout-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.42);
  pointer-events: none;
  z-index: 1;
}

/* Video background for early-dev CTA section */
.callout-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 80% center;
  z-index: 0;
  pointer-events: none;
}

.callout-text {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 400;
  line-height: 1.3;
  color: #fff;
  text-align: center;
  max-width: 900px;
}


/* ── TEAM ────────────────────────────────────────────────── */

.team {
  width: 100%;
  background: #000;
  padding: 80px 0;
}

.team-inner {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.team-header {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
}

.team-header-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 32px;
}

.team-tag {
  font-family: var(--font-display);
  font-size: 14px;
  color: #fff;
}

.team-headline {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  line-height: 1.1;
  color: #fff;
}

.team-body {
  max-width: 580px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 24px;
  color: #fff;
}

.team-roster {
  display: flex;
  align-items: stretch;
}

.team-member {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
}

.team-member + .team-member {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: #000;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.team-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.team-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.team-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  color: #fff;
}

.team-prev {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.65);
}

.team-prev p + p {
  margin-top: 16px;
}


/* ── INVESTORS ───────────────────────────────────────────── */

.investors {
  width: 100%;
  padding: 96px 0;
}

.investors-inner {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.investors-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
}

.investors-header-left {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 466px;
}

.investors-tag {
  font-family: var(--font-display);
  font-size: 14px;
  color: #000;
}

.investors-headline {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  line-height: 1.1;
  background: linear-gradient(168deg, #000 63%, rgba(0, 0, 0, 0.25) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.investors-body {
  max-width: 520px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 24px;
  color: #000;
}

.investors-logos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
}

.investors-logo-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
}

.investor-logo {
  width: 100%;
  height: auto;
  max-height: 160px;
  object-fit: contain;
}


/* ── FOOTER ──────────────────────────────────────────────── */

.footer {
  width: 100%;
  padding: 80px 0 120px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-inner {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.footer-mark {
  height: 32px;
  width: auto;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: #000;
}

.footer-copy {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(0, 0, 0, 0.65);
}

.footer-nav {
  display: flex;
  gap: 56px;
  flex-shrink: 0;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-col-heading {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: #000;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(0, 0, 0, 0.65);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: #000;
}


/* ── RESPONSIVE ──────────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
  .nav-links {
    gap: 20px;
  }

  .nav-logo {
    width: auto;
  }

  .nav-cta {
    width: auto;
  }

  .hero-headline {
    font-size: 60px;
  }

  .solution-headline {
    font-size: 40px;
  }

  .solution-header-text {
    width: 50%;
  }

  .solution-intro {
    width: 40%;
  }

  .solution-features {
    flex-wrap: wrap;
  }

  .feature {
    flex: 0 0 calc(50% - 16px);
  }

  .comparison-headline {
    font-size: 40px;
  }

  .team-headline {
    font-size: 40px;
  }

  .team-roster {
    flex-wrap: wrap;
  }

  .team-member {
    flex: 0 0 calc(50% - 0px);
  }

  .team-member:nth-child(n+3) {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }

  .team-member:nth-child(2n+1) {
    border-left: none;
  }

  .callout-text {
    font-size: 32px;
  }
}


/* Mobile */
@media (max-width: 768px) {
  .nav-inner {
    padding: 20px;
  }

  .nav-links {
    display: none;
  }

  .nav-logo {
    width: auto;
  }

  .nav-cta {
    width: auto;
  }

  .hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0;
    min-height: 0;
  }

  .hero-content {
    padding: 150px 24px 150px;
    gap: 36px;
  }

  .hero-text {
    gap: 20px;
  }

  .hero-tag {
    font-size: 12px;
  }

  .hero-headline {
    font-size: 48px;
  }

  .hero-body {
    font-size: 15px;
    line-height: 23px;
    max-width: none;
  }

  .btn-initiative {
    width: auto;
    font-size: 16px;
    padding: 16px 28px;
  }

  .solution {
    padding: 64px 0;
  }

  .solution-inner {
    padding: 0 20px;
    gap: 40px;
  }

  .solution-header {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
  }

  .solution-header-text,
  .solution-intro {
    width: 100%;
  }

  .solution-headline {
    font-size: 32px;
  }

  .feature {
    flex: 0 0 100%;
  }

  .comparison {
    padding: 64px 0;
  }

  .comparison-headline {
    font-size: 32px;
  }

  .comparison-table {
    flex-direction: column;
  }

  .comparison-col + .comparison-col {
    border-left: none;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
  }

  .team-header {
    flex-direction: column;
    align-items: stretch;
  }

  .team-header-left,
  .team-body {
    max-width: 100%;
  }

  .team-headline {
    font-size: 32px;
  }

  .team-roster {
    flex-direction: column;
  }

  .team-member {
    flex: 0 0 100%;
    padding: 24px 20px;
    border: none !important;
  }

  .team-member + .team-member {
    border-top: 1px solid rgba(255, 255, 255, 0.2) !important;
  }

  .investors-header {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
  }

  .investors-headline {
    font-size: 32px;
  }

  .investors-header-left,
  .investors-body {
    max-width: 100%;
  }

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

  .footer-inner {
    flex-direction: column;
    gap: 48px;
  }

  .early-dev {
    padding: 0 20px 64px;
  }

  .early-dev-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 28px;
    gap: 24px;
  }

  .early-dev-text {
    font-size: 22px;
  }

  .callout-inner {
    aspect-ratio: auto;
    padding: 48px 28px;
  }

  .callout-text {
    font-size: 18px;
    line-height: 1.4;
  }
}

/* Small mobile */
@media (max-width: 390px) {
  .hero-headline {
    font-size: 34px;
  }

  .hero-content {
    padding: 120px 16px 0;
    gap: 32px;
  }
}


/* ── CONCEPT SWITCHER ────────────────────────────────────── */

.concept-switcher {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(8, 8, 8, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 8px 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

.cs-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.cs-options {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 4px;
  padding: 2px;
}

.cs-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 24px;
  background: transparent;
  border: none;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all 0.15s;
  line-height: 1;
}

.cs-btn.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.cs-btn:hover:not(.active) {
  color: rgba(255, 255, 255, 0.7);
}

/* ── BG GRID SWITCHER (concept B only) ──────────────────── */

.bg-switcher {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 9999;
  display: none;
  align-items: center;
  gap: 10px;
  background: rgba(8, 8, 8, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 8px 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

[data-concept="b"] .bg-switcher {
  display: flex;
}

.bg-switcher .cs-label {
  white-space: nowrap;
}

/* bg-btn pills need auto width — .cs-btn fixed 28px is too narrow for words */
.bg-btn {
  width: auto;
  padding: 0 8px;
}


/* ══════════════════════════════════════════
   CONCEPT B — DARK / DENSE / TECHNICAL
   ══════════════════════════════════════════ */

/* Base */

/* Shared vignette: viewport-fixed radial that fades the grid at edges/corners */
[data-concept="b"] body {
  background-color: #0c0c0c;
  background-image:
    radial-gradient(ellipse 72% 58% at 50% 38%, transparent 22%, rgba(12,12,12,0.9) 100%),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 72px 72px, 72px 72px;
  background-attachment: fixed, scroll, scroll;
  color: #fff;
}

/* Dots — small circles at regular intervals */
[data-concept="b"][data-grid="dots"] body {
  background-image:
    radial-gradient(ellipse 72% 58% at 50% 38%, transparent 22%, rgba(12,12,12,0.9) 100%),
    radial-gradient(circle, rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px;
  background-attachment: fixed, scroll;
}

/* Diagonal — 45° crosshatch */
[data-concept="b"][data-grid="diagonal"] body {
  background-image:
    radial-gradient(ellipse 72% 58% at 50% 38%, transparent 22%, rgba(12,12,12,0.9) 100%),
    linear-gradient(45deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(-45deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 50px 50px, 50px 50px;
  background-attachment: fixed, scroll, scroll;
}

/* Iso — 60° lines */
[data-concept="b"][data-grid="iso"] body {
  background-image:
    radial-gradient(ellipse 72% 58% at 50% 38%, transparent 22%, rgba(12,12,12,0.9) 100%),
    linear-gradient(60deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(-60deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
  background-attachment: fixed, scroll, scroll;
}

/* Honeycomb — two offset hex SVG layers, reduced opacity, with vignette */
[data-concept="b"][data-grid="hex"] body {
  background-image:
    radial-gradient(ellipse 72% 58% at 50% 38%, transparent 22%, rgba(12,12,12,0.9) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='52'%3E%3Cpath d='M15,0 L30,9 L30,26 L15,35 L0,26 L0,9 Z' fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='52'%3E%3Cpath d='M15,0 L30,9 L30,26 L15,35 L0,26 L0,9 Z' fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 100% 100%, 30px 52px, 30px 52px;
  background-attachment: fixed, scroll, scroll;
  background-position: 0 0, 0 0, 15px 26px;
}

/* Nav — pure blur, no dark backplate (same as concept A/C) */
[data-concept="b"] .nav::before {
  background: none;
  mask: linear-gradient(to bottom, black 60%, transparent 100%);
  -webkit-mask: linear-gradient(to bottom, black 60%, transparent 100%);
}

[data-concept="b"] .nav.scrolled::before {
  border-bottom: none;
}

[data-concept="b"] .nav-logo-light,
[data-concept="b"] .nav:not(.over-dark) .nav-logo-light {
  display: block;
}

[data-concept="b"] .nav-logo-dark,
[data-concept="b"] .nav:not(.over-dark) .nav-logo-dark {
  display: none;
}

[data-concept="b"] .nav-links a,
[data-concept="b"] .nav:not(.over-dark) .nav-links a {
  color: #fff;
}

/* Nav CTA → Resend frosted glass */
[data-concept="b"] .nav-cta .btn-primary {
  background-origin: border-box;
  background: linear-gradient(104deg, rgba(253,253,253,0.05) 5%, rgba(240,240,228,0.1) 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  color: #fff;
  filter: none;
}
/* texture ::after covers the border in concept B — hide it so the border shows cleanly */
[data-concept="b"] .nav-cta .btn-primary::after {
  display: none;
}
[data-concept="b"] .nav-cta .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  filter: none;
  box-shadow: 0px 0px 4px rgba(255,255,255,0.06), 0px 1px 14px rgba(255,255,255,0.12), 0px 3px 32px rgba(255,255,255,0.18);
}

/* "Book a meeting" stays white/frosted in concept-b like the rest of the
   nav, instead of flipping to black via over-dark — keeps it visible over
   every section as you scroll. */
[data-concept="b"] .nav-cta .btn-book-nav {
  background: linear-gradient(104deg, rgba(253,253,253,0.05) 5%, rgba(240,240,228,0.1) 100%);
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  color: #fff;
}
[data-concept="b"] .nav-cta .btn-book-nav:hover {
  background: rgba(255, 255, 255, 0.9);
  color: #000;
}

/* Parallax layer base — hidden in all concepts unless activated */
.hero-par-far,
.hero-par-grid { display: none; }

/* Hero */
[data-concept="b"] .hero {
  background: transparent;
  min-height: 840px;
  overflow: visible;
}

[data-concept="b"] .hero-bg-gradient {
  display: none;
}

/* Kill mouse-tracked glow + amber blob — replaced by scroll parallax */
[data-concept="b"] .hero::before { display: none; }
[data-concept="b"] .hero::after  { display: none; }

/* Parallax far layer — coloured blobs (orange, blue, red from logo), moves fastest */
[data-concept="b"] .hero-par-far {
  display: block;
  position: absolute;
  top: -10vh; left: 0; right: 0; bottom: -500px;
  pointer-events: none;
  will-change: transform;
  z-index: 1;
  background:
    radial-gradient(ellipse 55vw 70vh at 20% 30%, rgba(254,72,1,0.18), transparent 60%),
    radial-gradient(ellipse 60vw 80vh at 80% 60%, rgba(1,46,174,0.13), transparent 60%),
    radial-gradient(ellipse 70vw 50vh at 50% 95%, rgba(255,4,3,0.08), transparent 60%);
  -webkit-mask-image: linear-gradient(to bottom, black 45%, transparent 82%);
  mask-image: linear-gradient(to bottom, black 45%, transparent 82%);
}

/* Parallax grid layer — dot pattern with radial fade, slower */
[data-concept="b"] .hero-par-grid {
  display: block;
  position: absolute;
  top: -5vh; left: 0; right: 0; bottom: -5vh;
  pointer-events: none;
  will-change: transform;
  z-index: 2;
  background-image: radial-gradient(circle, rgba(255,255,255,0.18) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, black 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, black 10%, transparent 75%);
}

[data-concept="b"] .hero-bg-light {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: -500px;
  background: url('images/bg-light.webp') center top / cover no-repeat;
  pointer-events: none;
  z-index: 3;
  opacity: 0.3;
  mix-blend-mode: screen;
  -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
  transition: opacity 0.5s ease, filter 0.5s ease;
}

[data-concept="b"]:has(.nav-cta:hover) .hero-bg-light {
  opacity: 0.6;
  filter: brightness(1.3) saturate(1.0);
}

/* Primary glow — mouse-tracked */
[data-concept="b"] .hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 65% at var(--hx, 50%) var(--hy, 40%),
    rgba(1, 46, 174, 0.2) 0%,
    rgba(1, 46, 174, 0.04) 55%,
    transparent 72%
  );
  pointer-events: none;
  z-index: 2;
  transition: --hx 0.5s ease, --hy 0.5s ease;
}

/* Ambient warm blob — drifts slowly */
[data-concept="b"] .hero::after {
  content: '';
  position: absolute;
  width: 55%;
  height: 80%;
  top: -5%;
  right: -6%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(232, 108, 0, 0.08) 0%, transparent 68%);
  filter: blur(72px);
  pointer-events: none;
  z-index: 2;
  will-change: transform;
  animation: b-glow-drift 26s ease-in-out infinite;
}

[data-concept="b"] .hero-content {
  padding-top: 228px;
  gap: 40px;
}

[data-concept="b"] .hero-mark { display: none; }

[data-concept="b"] .hero-full-logo {
  display: block;
  height: 58px;
  width: auto;
  animation: b-fade-up 0.9s ease both 0.05s;
}

[data-concept="b"] .hero-headline {
  font-size: 84px;
  color: #fff;
  animation: b-fade-up 0.9s ease both 0.18s;
}

[data-concept="b"] .hero-body {
  color: rgba(255, 255, 255, 0.65);
  max-width: 500px;
  animation: b-fade-up 0.9s ease both 0.32s;
}

/* Strip gradient text from all headings */
[data-concept="b"] h1, [data-concept="b"] h2, [data-concept="b"] h3,
[data-concept="b"] h4, [data-concept="b"] h5, [data-concept="b"] h6 {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: currentColor;
  color: #fff;
}
[data-concept="b"] .solution-headline-accent {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: currentColor;
  color: #fff;
}

/* Solution */
[data-concept="b"] .solution {
  background: transparent;
  padding: 80px 0;
}

[data-concept="b"] .solution-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.3);
}

[data-concept="b"] .solution-headline {
  color: #fff;
  font-size: 44px;
}

[data-concept="b"] .solution-intro {
  color: rgba(255, 255, 255, 0.65);
}

/* Feature grid — 3 equal columns, 2 rows */
[data-concept="b"] .solution-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.06);
  counter-reset: fc;
  flex-wrap: unset;
}

[data-concept="b"] .feature {
  counter-increment: fc;
  flex: unset;
  grid-column: span 1;
  background: #0c0c0c;
  padding: 36px 32px 36px;
  gap: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
}

[data-concept="b"] .feature::before {
  content: none;
}

[data-concept="b"] .feature::after {
  content: "0" counter(fc);
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.18);
  position: absolute;
  top: 24px;
  right: 24px;
}

[data-concept="b"] .feature-icon {
  width: 28px;
  height: 28px;
  filter: invert(15%) sepia(99%) saturate(6000%) hue-rotate(355deg) brightness(110%);
}

[data-concept="b"] .feature-title {
  color: #fff;
  font-size: 17px;
}

[data-concept="b"] .feature-body {
  color: rgba(255, 255, 255, 0.65);
  line-height: 22px;
}

/* Early dev CTA — taken from concept C */
[data-concept="b"] .early-dev { padding: 0; background: #000; }

[data-concept="b"] .callout-video {
  left: auto;
  right: 8%;
  top: 50%;
  bottom: auto;
  width: 45%;
  height: 75%;
  transform: translateY(-50%);
  object-fit: contain;
  object-position: center center;
}

[data-concept="b"] .early-dev .callout-inner {
  border-radius: 0;
  max-width: none;
  aspect-ratio: auto;
  height: 726px;
  background-image: none;
  background-color: #000;
  border: none;
}

[data-concept="b"] .early-dev .callout-inner::after {
  display: none;
}

[data-concept="b"] .early-dev-inner {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 726px;
  align-self: stretch;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 28px;
}

[data-concept="b"] .early-dev-copy { max-width: 480px; }

[data-concept="b"] .early-dev-text {
  font-size: 26px;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.92);
  max-width: none;
}

[data-concept="b"] .btn-initiative {
  background-origin: border-box;
  background: linear-gradient(104deg, rgba(253,253,253,0.05) 5%, rgba(240,240,228,0.1) 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  color: #fff;
  padding: 9px 24px;
  font-size: 14px;
  opacity: 1;
}
[data-concept="b"] .btn-initiative::after {
  display: none;
}
[data-concept="b"] .btn-initiative:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  box-shadow: 0px 0px 4px rgba(255,255,255,0.06), 0px 1px 14px rgba(255,255,255,0.12), 0px 3px 32px rgba(255,255,255,0.18);
}
[data-concept="b"] .btn-initiative .btn-arrow { color: currentColor; }

/* Team */
[data-concept="b"] .team {
  background: transparent;
}

[data-concept="b"] .team-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.3);
}

[data-concept="b"] .team-member + .team-member {
  border-left-color: rgba(255, 255, 255, 0.06);
}

[data-concept="b"] .team-avatar {
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-concept="b"] .team-prev {
  color: rgba(255, 255, 255, 0.65);
}

/* Investors */
[data-concept="b"] .investors {
  background: transparent;
  padding: 80px 0;
  position: relative;
}

[data-concept="b"] .investors::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1312px, calc(100% - 48px));
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

[data-concept="b"] .investors-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.3);
}

[data-concept="b"] .investors-headline {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: currentColor;
  color: #fff;
}

[data-concept="b"] .investors-body {
  color: rgba(255, 255, 255, 0.65);
}

[data-concept="b"] .investors-logos {
  border: 1px solid rgba(255, 255, 255, 0.06);
  gap: 1px;
  background: rgba(255, 255, 255, 0.06);
}

[data-concept="b"] .investors-logo-cell {
  background: #0c0c0c;
  padding: 28px 20px;
}

[data-concept="b"] .investor-logo {
  filter: brightness(0) invert(1);
  opacity: 0.45;
  transition: opacity 0.2s;
}

[data-concept="b"] .investors-logo-cell:hover .investor-logo {
  opacity: 0.85;
}

/* Footer */
[data-concept="b"] .footer {
  background: transparent;
}

[data-concept="b"] .footer-mark {
  filter: brightness(0) invert(1);
}

[data-concept="b"] .footer-tagline {
  color: rgba(255, 255, 255, 0.65);
}

[data-concept="b"] .footer-copy {
  color: rgba(255, 255, 255, 0.65);
}

/* Keyframes */
@keyframes b-glow-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  28%       { transform: translate(-80px, 65px) scale(1.07); }
  56%       { transform: translate(-15px, -55px) scale(0.93); }
  82%       { transform: translate(60px, 35px) scale(1.04); }
}

@keyframes b-fade-up {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll-in base states */
[data-concept="b"] .solution-header,
[data-concept="b"] .team-header,
[data-concept="b"] .investors-header,
[data-concept="b"] .feature,
[data-concept="b"] .team-member,
[data-concept="b"] .investors-logo-cell,
[data-concept="b"] .early-dev .callout-inner {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

/* Revealed by JS IntersectionObserver */
[data-concept="b"] .solution-header.in-view,
[data-concept="b"] .team-header.in-view,
[data-concept="b"] .investors-header.in-view,
[data-concept="b"] .feature.in-view,
[data-concept="b"] .team-member.in-view,
[data-concept="b"] .investors-logo-cell.in-view,
[data-concept="b"] .early-dev .callout-inner.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays — features in 3-col grid */
[data-concept="b"] .feature:nth-child(2) { transition-delay: 85ms; }
[data-concept="b"] .feature:nth-child(3) { transition-delay: 170ms; }
[data-concept="b"] .feature:nth-child(4) { transition-delay: 255ms; }
[data-concept="b"] .feature:nth-child(5) { transition-delay: 340ms; }

/* Stagger delays — team members */
[data-concept="b"] .team-member:nth-child(2) { transition-delay: 100ms; }
[data-concept="b"] .team-member:nth-child(3) { transition-delay: 200ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  [data-concept="b"] .hero::after,
  [data-concept="b"] .hero-mark,
  [data-concept="b"] .hero-headline,
  [data-concept="b"] .hero-body { animation: none; }

  [data-concept="b"] .solution-header,
  [data-concept="b"] .team-header,
  [data-concept="b"] .investors-header,
  [data-concept="b"] .feature,
  [data-concept="b"] .team-member,
  [data-concept="b"] .investors-logo-cell,
  [data-concept="b"] .early-dev .callout-inner {
    opacity: 1;
    transform: none;
    transition: none;
    transition-delay: 0ms !important;
  }
}

/* Concept B — tablet */
@media (max-width: 1024px) {
  [data-concept="b"] .solution-features {
    grid-template-columns: repeat(2, 1fr);
  }
  [data-concept="b"] .solution-headline { font-size: 36px; }
}

/* Concept B — mobile */
@media (max-width: 768px) {
  [data-concept="b"] .solution-features {
    grid-template-columns: 1fr;
  }
  [data-concept="b"] .solution-headline { font-size: 26px; line-height: 1.15; }

  [data-concept="b"] .team-header,
  [data-concept="b"] .team-header-left,
  [data-concept="b"] .team-tag,
  [data-concept="b"] .team-headline { text-align: left; align-items: flex-start; }

  [data-concept="b"] .hero-headline {
    font-size: 48px;
  }

  [data-concept="b"] .hero-mark {
    height: 56px;
  }

  [data-concept="b"] .early-dev-inner {
    padding: 48px 20px;
  }

  [data-concept="b"] .team-member + .team-member {
    border-left: none !important;
    border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
  }
}


/* ══════════════════════════════════════════
   CONCEPT C — DARK / FIGMA
   ══════════════════════════════════════════ */

/* Base */
[data-concept="c"] body {
  background-color: #151518;
  background-image: none;
  color: #fff;
}

/* Strip gradient text from every heading — plain white throughout */
[data-concept="c"] h1,
[data-concept="c"] h2,
[data-concept="c"] h3,
[data-concept="c"] h4,
[data-concept="c"] h5,
[data-concept="c"] h6 {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: currentColor;
  color: #fff;
}

/* Nav — inherits base styles exactly (same blur+mask behavior as concept A) */
/* Nav CTA → Resend frosted glass style */
[data-concept="c"] .nav-cta .btn-primary {
  background-origin: border-box;
  background: linear-gradient(104deg, rgba(253,253,253,0.05) 5%, rgba(240,240,228,0.1) 100%);
  border: 2px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  color: #fff;
  filter: none;
}
[data-concept="c"] .nav-cta .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  filter: none;
  box-shadow: 0px 0px 4px rgba(255,255,255,0.06), 0px 1px 14px rgba(255,255,255,0.12), 0px 3px 32px rgba(255,255,255,0.18);
}
[data-concept="c"] .nav-logo-light,
[data-concept="c"] .nav:not(.over-dark) .nav-logo-light { display: block; }
[data-concept="c"] .nav-logo-dark,
[data-concept="c"] .nav:not(.over-dark) .nav-logo-dark { display: none; }
[data-concept="c"] .nav:not(.over-dark) .nav-links a { color: rgba(255, 255, 255, 0.55); }
[data-concept="c"] .nav-links a:hover { opacity: 1; color: #fff; }

/* Hero — centered, bg-gradient.png atmospheric glow, bleeds into next section */
[data-concept="c"] .hero {
  background: transparent;
  min-height: auto;
  padding-bottom: 0;
  overflow: visible;
}
[data-concept="c"] .hero-bg-gradient { display: none; }

/* bg-gradient.png fills hero and fades out into the section below */
[data-concept="c"] .hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: -650px;
  background: url('images/Immens/bg-gradient.png') center center / cover no-repeat;
  pointer-events: none;
  z-index: 2;
  opacity: 0.9;
  -webkit-mask-image: linear-gradient(to bottom, black 45%, transparent 85%);
  mask-image: linear-gradient(to bottom, black 45%, transparent 85%);
}

/* bg-light.webp light overlay on top of gradient, hero only */
[data-concept="c"] .hero-bg-light {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: -500px;
  background: url('images/bg-light.webp') center top / cover no-repeat;
  pointer-events: none;
  z-index: 3;
  opacity: 0.3;
  mix-blend-mode: screen;
  -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
  transition: opacity 0.5s ease, filter 0.5s ease;
}

/* Nav "Get in touch" hover → light reflects back onto hero */
[data-concept="c"]:has(.nav-cta:hover) .hero-bg-light {
  opacity: 0.6;
  filter: brightness(1.3) saturate(1.0);
}

/* 1px divider at hero bottom, centered at 1440px */
[data-concept="c"] .hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1440px, calc(100% - 48px));
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  pointer-events: none;
  z-index: 4;
}

/* Grid SVG overlay — bleeds 120px into section below */
[data-concept="c"] .hero-grid {
  display: block;
  position: absolute;
  bottom: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1920px;
  height: auto;
  pointer-events: none;
  z-index: 3;
  opacity: 0.45;
}

[data-concept="c"] .hero-content {
  align-items: center;
  padding: 180px 24px 100px;
  gap: 48px;
}
[data-concept="c"] .hero-text {
  align-items: center;
  text-align: center;
  gap: 24px;
  max-width: 740px;
}

/* Show full logo+wordmark in concept C, hide triangle-only mark */
[data-concept="c"] .hero-mark { display: none; }
[data-concept="c"] .hero-full-logo {
  display: block;
  height: 44px;
  width: auto;
  animation: b-fade-up 0.9s ease both 0.05s;
}

[data-concept="c"] .hero-headline {
  font-size: 72px;
  line-height: 1.0;
  letter-spacing: 0.01em;
  color: #fff;
  -webkit-text-fill-color: #fff;
  background: none;
  animation: b-fade-up 0.9s ease both 0.18s;
}
[data-concept="c"] .hero-body {
  color: rgba(255, 255, 255, 0.52);
  max-width: 600px;
  text-align: center;
  animation: b-fade-up 0.9s ease both 0.32s;
}
[data-concept="c"] .hero-cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  animation: b-fade-up 0.9s ease both 0.46s;
}

/* Widen all section containers to 1440px in concept C */
[data-concept="c"] .solution-inner,
[data-concept="c"] .team-inner,
[data-concept="c"] .investors-inner { max-width: 1440px; position: relative; z-index: 1; }

/* Solution — centered header, no border-top (divider via hero::after) */
[data-concept="c"] .solution {
  background: transparent;
  border-top: none;
  padding: 96px 0;
}
[data-concept="c"] .solution-inner { gap: 64px; }
[data-concept="c"] .solution-header {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: 0;
}
[data-concept="c"] .solution-header-text {
  flex: none;
  align-items: center;
  gap: 16px;
  width: 100%;
}

/* Hide all section sub-labels in concept C */
[data-concept="c"] .solution-tag,
[data-concept="c"] .team-tag,
[data-concept="c"] .investors-tag { display: none; }

/* Plain white headings throughout concept C — no gradient */
[data-concept="c"] .solution-headline-accent {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: currentColor;
  color: #fff;
}
[data-concept="c"] .solution-headline {
  color: #fff;
  -webkit-text-fill-color: #fff;
  background: none;
  font-size: 48px;
  line-height: 1.1;
}
[data-concept="c"] .solution-intro {
  color: rgba(255, 255, 255, 0.52);
  width: auto;
  text-align: center;
}

/* Feature cards — vertical, icon top / content bottom */
[data-concept="c"] .solution-features {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 16px;
  border-top: none;
  counter-reset: unset;
}
[data-concept="c"] .feature {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  position: relative;
  gap: 40px;
  min-height: 280px;
  counter-increment: unset;
}
/* SVG dashed radial-gradient border */
[data-concept="c"] .feature::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('images/Immens/card-stroke.svg');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  pointer-events: none;
  border-radius: 8px;
}
[data-concept="c"] .feature::after { content: none; }

[data-concept="c"] .feature-icon {
  width: 48px;
  height: 48px;
  display: block;
  flex-shrink: 0;
  grid-column: unset;
  grid-row: unset;
  margin: 0;
}
[data-concept="c"] .feature-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
  grid-column: unset;
  grid-row: unset;
}
[data-concept="c"] .feature-title {
  color: #fff;
  font-size: 17px;
  min-width: unset;
  max-width: none;
  flex-shrink: unset;
  padding-top: 0;
  line-height: 1.3;
}
[data-concept="c"] .feature-body {
  color: rgba(255, 255, 255, 0.48);
  line-height: 22px;
  font-size: 14px;
}

/* Early Dev — full-width video section, 726px tall */
[data-concept="c"] .early-dev { padding: 0; }
[data-concept="c"] .early-dev .callout-inner {
  border-radius: 0;
  max-width: none;
  aspect-ratio: auto;
  height: 726px;
  background-size: cover;
  background-position: right center;
  border: none;
}
[data-concept="c"] .early-dev .callout-inner::after {
  display: block;
  background: rgba(0, 0, 0, 0.5);
}
/* Content constrained to 1440px so left edge aligns with page containers */
[data-concept="c"] .early-dev-inner {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 726px;
  align-self: stretch;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 28px;
}
[data-concept="c"] .early-dev-copy { max-width: 480px; }
[data-concept="c"] .early-dev-text {
  font-size: 26px;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.92);
  max-width: none;
}

/* Get in touch → full Resend frosted glass style, sized to match hero buttons */
[data-concept="c"] .btn-initiative {
  background-origin: border-box;
  background: linear-gradient(104deg, rgba(253,253,253,0.05) 5%, rgba(240,240,228,0.1) 100%);
  border: 2px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  color: #fff;
  padding: 9px 24px;
  font-size: 14px;
  opacity: 1;
}
[data-concept="c"] .btn-initiative:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  box-shadow: 0px 0px 4px rgba(255,255,255,0.06), 0px 1px 14px rgba(255,255,255,0.12), 0px 3px 32px rgba(255,255,255,0.18);
}
[data-concept="c"] .btn-initiative .btn-arrow { color: currentColor; }

/* Team — centered cards */
[data-concept="c"] .team {
  background: transparent;
  border-top: none;
  border-bottom: none;
  position: relative;
  overflow: visible;
}

/* bg-gradient.png atmospheric glow behind team section */
[data-concept="c"] .team::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/Immens/bg-gradient.png') center center / cover no-repeat;
  opacity: 0.55;
  z-index: 0;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 70%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 70%, transparent 100%);
}

/* Grid SVG behind team section */
[data-concept="c"] .team-grid {
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1920px;
  height: auto;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* 1440px divider between team and investors */
[data-concept="c"] .team::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1440px, calc(100% - 48px));
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  pointer-events: none;
}
[data-concept="c"] .team-inner { position: relative; z-index: 1; }
[data-concept="c"] .team-roster {
  flex-direction: row;
  align-items: stretch;
  border-top: none;
}
[data-concept="c"] .team-member {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 40px 32px;
  border-left: none;
  border-bottom: none;
  grid-template-columns: unset;
}
[data-concept="c"] .team-member + .team-member {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  border-top: none;
}
[data-concept="c"] .team-avatar {
  width: 88px;
  height: 88px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 18px;
}
[data-concept="c"] .team-name {
  font-size: 18px;
  color: #fff;
  -webkit-text-fill-color: #fff;
}
[data-concept="c"] .team-title { text-align: center; }
[data-concept="c"] .team-prev {
  color: rgba(255, 255, 255, 0.42);
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
}

/* Investors — second bg-gradient instance behind this + team via ::before */
[data-concept="c"] .investors {
  background: transparent;
  border-bottom: none;
  padding: 96px 0;
  position: relative;
}

/* bg-gradient.png as ambient glow behind investors section */
[data-concept="c"] .investors::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/Immens/bg-gradient.png') center center / cover no-repeat;
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 70%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 70%, transparent 100%);
}

/* Center the backed-by header */
[data-concept="c"] .investors-header {
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}
[data-concept="c"] .investors-header-left { text-align: center; }
[data-concept="c"] .investors-headline {
  color: #fff;
  -webkit-text-fill-color: #fff;
  background: none;
}
[data-concept="c"] .investors-body {
  color: rgba(255, 255, 255, 0.52);
  width: auto;
  max-width: 600px;
  text-align: center;
}

/* Logo grid — no outer border, individual SVG stroke per cell */
[data-concept="c"] .investors-logos {
  border: none;
  gap: 16px;
  background: transparent;
}
[data-concept="c"] .investors-logo-cell {
  background: rgba(255, 255, 255, 0.02);
  padding: 28px 20px;
  border-radius: 8px;
  position: relative;
  cursor: pointer;
}
/* SVG dashed radial-gradient border on each cell */
[data-concept="c"] .investors-logo-cell::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('images/Immens/stroke.svg');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  pointer-events: none;
  border-radius: 8px;
}
[data-concept="c"] .investor-logo {
  filter: brightness(0) invert(1);
  opacity: 0.4;
  transition: opacity 0.2s;
  position: relative;
  z-index: 1;
}
[data-concept="c"] .investors-logo-cell:hover .investor-logo { opacity: 0.8; }

/* Footer */
[data-concept="c"] .footer {
  background: transparent;
  border-top: none;
}
[data-concept="c"] .footer-mark { filter: brightness(0) invert(1); }
[data-concept="c"] .footer-tagline { color: rgba(255, 255, 255, 0.38); }
[data-concept="c"] .footer-copy { color: rgba(255, 255, 255, 0.2); }

/* Scroll-in animations */
[data-concept="c"] .solution-header,
[data-concept="c"] .team-header,
[data-concept="c"] .investors-header,
[data-concept="c"] .feature,
[data-concept="c"] .team-member,
[data-concept="c"] .investors-logo-cell,
[data-concept="c"] .early-dev .callout-inner {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-concept="c"] .solution-header.in-view,
[data-concept="c"] .team-header.in-view,
[data-concept="c"] .investors-header.in-view,
[data-concept="c"] .feature.in-view,
[data-concept="c"] .team-member.in-view,
[data-concept="c"] .investors-logo-cell.in-view,
[data-concept="c"] .early-dev .callout-inner.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Feature card stagger */
[data-concept="c"] .feature:nth-child(2) { transition-delay: 80ms; }
[data-concept="c"] .feature:nth-child(3) { transition-delay: 160ms; }
[data-concept="c"] .feature:nth-child(4) { transition-delay: 240ms; }
[data-concept="c"] .feature:nth-child(5) { transition-delay: 320ms; }

/* Team member stagger */
[data-concept="c"] .team-member:nth-child(2) { transition-delay: 100ms; }
[data-concept="c"] .team-member:nth-child(3) { transition-delay: 200ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  [data-concept="c"] .hero-full-logo,
  [data-concept="c"] .hero-headline,
  [data-concept="c"] .hero-body,
  [data-concept="c"] .hero-cta-row { animation: none; }

  [data-concept="c"] .solution-header,
  [data-concept="c"] .team-header,
  [data-concept="c"] .investors-header,
  [data-concept="c"] .feature,
  [data-concept="c"] .team-member,
  [data-concept="c"] .investors-logo-cell,
  [data-concept="c"] .early-dev .callout-inner {
    opacity: 1; transform: none;
    transition: none; transition-delay: 0ms !important;
  }
}

/* Concept C — tablet */
@media (max-width: 1024px) {
  [data-concept="c"] .hero-headline { font-size: 56px; }
  [data-concept="c"] .solution-headline { font-size: 36px; }

  [data-concept="c"] .solution-features {
    flex-wrap: wrap;
    gap: 12px;
  }
  [data-concept="c"] .feature {
    flex: 0 0 calc(50% - 6px);
    min-height: 240px;
  }

  [data-concept="c"] .team-member { flex: 0 0 calc(50%); }
  [data-concept="c"] .team-member:nth-child(n+3) {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
  [data-concept="c"] .team-member:nth-child(2n+1) { border-left: none; }
}

/* Concept C — mobile */
@media (max-width: 768px) {
  [data-concept="c"] .hero-content { padding-top: 160px; }
  [data-concept="c"] .hero-headline { font-size: 48px; }
  [data-concept="c"] .solution-headline { font-size: 28px; line-height: 1.15; }
  [data-concept="c"] .hero-full-logo { height: 32px; }
  [data-concept="c"] .hero-cta-row { flex-direction: column; align-items: stretch; }

  [data-concept="c"] .solution-features {
    flex-direction: column;
    gap: 12px;
  }
  [data-concept="c"] .feature { flex: 0 0 auto; min-height: auto; }

  [data-concept="c"] .early-dev-inner {
    padding: 48px 24px;
    gap: 20px;
    min-height: 400px;
  }
  [data-concept="c"] .early-dev-text { font-size: 20px; }

  [data-concept="c"] .team-member {
    flex: 0 0 100%;
    border-left: none !important;
  }
  [data-concept="c"] .team-member + .team-member {
    border-left: none !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
  }
}