:root {
  --bg: #08090d;
  --bg-soft: #0d0f15;
  --panel: #11131a;
  --panel-2: #151822;
  --paper: #f3f1ec;
  --paper-2: #e9e5dc;
  --faq-paper: #e7e3ff;
  --faq-ink: #10111a;
  --ink: #0a0b0f;
  --text: #f6f7fb;
  --muted: #8f95a5;
  --muted-strong: #b9becc;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --purple: #bf9cff;
  --purple-deep: #7c4dff;
  --cyan: #55dcff;
  --green: #6df0b7;
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 38px;
  --shell: min(1240px, calc(100vw - 48px));
  --header-h: 82px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
  --shadow-glow: 0 30px 100px rgba(88, 91, 255, 0.24), 0 0 70px rgba(72, 218, 255, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--text);
  background: var(--bg);
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  color: var(--ink);
  background: var(--cyan);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

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

h1,
h2,
h3,
p,
blockquote,
figure {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
.brand,
.client-wordmark,
.mindblow-word {
  font-family: "Space Grotesk", "Manrope", sans-serif;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section-pad {
  padding-block: clamp(96px, 10vw, 164px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--text);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-noise {
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.72'/%3E%3C/svg%3E");
}

.cursor-glow {
  --cursor-x: 50vw;
  --cursor-y: 20vh;
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(560px circle at var(--cursor-x) var(--cursor-y), rgba(155, 108, 255, 0.075), transparent 55%);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  padding-inline: max(24px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid transparent;
  transition: min-height 260ms var(--ease), background 260ms ease, border-color 260ms ease, backdrop-filter 260ms ease;
}

.site-header.is-scrolled {
  min-height: 68px;
  border-color: var(--line);
  background: rgba(8, 9, 13, 0.78);
  backdrop-filter: blur(20px) saturate(140%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}


.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.59rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted-strong);
  font-size: 0.82rem;
  font-weight: 600;
}

.main-nav > a:not(.nav-cta) {
  position: relative;
  padding-block: 8px;
  transition: color 180ms ease;
}

.main-nav > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms var(--ease);
}

.main-nav > a:hover,
.main-nav > a.is-active {
  color: var(--text);
}

.main-nav > a:hover::after,
.main-nav > a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.045);
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 17px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 240ms var(--ease), opacity 180ms ease;
}

.menu-open .menu-toggle span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.menu-open .menu-toggle span:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

.eyebrow,
.section-kicker,
.micro-label {
  color: var(--muted-strong);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-dot,
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(109, 240, 183, 0.08), 0 0 20px rgba(109, 240, 183, 0.5);
}

.button {
  --tx: 0px;
  --ty: 0px;
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 13px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  transform: translate(var(--tx), var(--ty));
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.button span:last-child {
  font-size: 1rem;
  transition: transform 220ms var(--ease);
}

.button:hover span:last-child {
  transform: translate(2px, -2px);
}

.button-primary {
  color: var(--ink);
  background: linear-gradient(105deg, #d5baff, #79e5ff);
  box-shadow: 0 13px 38px rgba(126, 107, 255, 0.18);
}

.button-primary:hover {
  box-shadow: 0 18px 48px rgba(126, 107, 255, 0.3);
}

.button-ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
}

.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}

.button-dark {
  color: var(--text);
  background: var(--ink);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.26);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  transition: border-color 180ms ease, color 180ms ease;
}

.text-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* HERO */
.hero {
  position: relative;
  min-height: 100svh;
  overflow: clip;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.hero::before {
  position: absolute;
  top: -30%;
  right: -18%;
  width: min(78vw, 1080px);
  aspect-ratio: 1;
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle, rgba(114, 71, 215, 0.18), rgba(40, 179, 214, 0.08) 38%, transparent 68%);
  filter: blur(20px);
  pointer-events: none;
}

.hero-canvas,
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-canvas {
  z-index: -2;
  opacity: 0.7;
}

.hero-grid-overlay {
  z-index: -1;
  opacity: 0.35;
  background-image: linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 80%, transparent);
}

.hero-shell {
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: clamp(36px, 6vw, 92px);
  padding-top: calc(var(--header-h) + 34px);
  padding-bottom: 64px;
}

.hero-copy {
  position: relative;
  z-index: 3;
  max-width: 760px;
}

.hero-copy .eyebrow {
  margin-bottom: clamp(20px, 3vh, 32px);
}

.hero h1 {
  max-width: 780px;
  color: var(--text);
  font-size: clamp(3.2rem, 5.35vw, 5.55rem);
  font-weight: 500;
  letter-spacing: -0.064em;
  line-height: 0.93;
}

.hero-emphasis {
  display: inline;
  color: transparent;
  background: linear-gradient(100deg, #ffffff 0%, #cfb1ff 48%, #61ddff 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-tail {
  display: block;
  margin-top: 0.2em;
  color: #c5c9d4;
  font-size: 0.47em;
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.hero-lead {
  max-width: 660px;
  margin-top: clamp(24px, 3vh, 34px);
  color: var(--muted-strong);
  font-size: clamp(1rem, 1.22vw, 1.17rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3.5vh, 40px);
}

.hero-proof {
  display: grid;
  max-width: 720px;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: clamp(36px, 5vh, 62px);
  border-top: 1px solid var(--line);
}

.hero-proof div {
  display: grid;
  gap: 2px;
  padding: 18px 18px 0 0;
  border-right: 1px solid var(--line);
}

.hero-proof div + div {
  padding-left: 18px;
}

.hero-proof div:last-child {
  border-right: 0;
}

.hero-proof strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.94rem;
  font-weight: 600;
}

.hero-proof span {
  color: var(--muted);
  font-size: 0.67rem;
  line-height: 1.45;
}

.hero-stage {
  position: relative;
  width: min(100%, 580px);
  aspect-ratio: 0.91;
  justify-self: end;
  perspective: 1000px;
}

.portrait-shell {
  position: absolute;
  inset: 9% 7% 4% 11%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 46% 46% 28px 28px;
  background: #0d0e13;
  box-shadow: var(--shadow);
  transform: translateZ(0);
}

.portrait-shell::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  background: linear-gradient(to bottom, transparent 56%, rgba(6, 7, 10, 0.65) 100%);
  pointer-events: none;
}

.portrait-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
}

.portrait-glow {
  position: absolute;
  inset: 20% 6% 4% 12%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 40%, rgba(179, 89, 255, 0.5), transparent 52%), radial-gradient(circle at 74% 56%, rgba(47, 212, 255, 0.42), transparent 54%);
  filter: blur(45px);
}

.stage-orbit,
.stage-axis {
  position: absolute;
  pointer-events: none;
}

.stage-orbit {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.stage-orbit::after {
  position: absolute;
  top: 50%;
  left: -4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  content: "";
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(85, 220, 255, 0.9);
}

.stage-orbit-outer {
  inset: 0 1% 1% 0;
  animation: orbitSpin 28s linear infinite;
}

.stage-orbit-inner {
  inset: 11% 10% 12% 9%;
  border-style: dashed;
  animation: orbitSpinReverse 22s linear infinite;
}

.stage-axis-x {
  top: 50%;
  right: -4%;
  left: -4%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.stage-axis-y {
  top: -3%;
  bottom: -3%;
  left: 50%;
  width: 1px;
  background: linear-gradient(transparent, rgba(255, 255, 255, 0.12), transparent);
}

.orbit-label {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted-strong);
  background: rgba(9, 10, 14, 0.75);
  backdrop-filter: blur(10px);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.orbit-label span {
  color: var(--cyan);
  font-size: 0.52rem;
}

.orbit-label-one { top: 7%; left: 3%; }
.orbit-label-two { top: 24%; right: -3%; }
.orbit-label-three { right: 2%; bottom: 12%; }
.orbit-label-four { bottom: 2%; left: 8%; }

.stage-card {
  position: absolute;
  z-index: 5;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: rgba(11, 12, 17, 0.78);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px) saturate(130%);
}

.stage-card-top {
  top: 13%;
  right: -2%;
  display: grid;
  gap: 5px;
  width: min(220px, 44%);
  padding: 15px 17px;
  animation: cardFloat 5.8s ease-in-out infinite;
}

.stage-card-top strong {
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.45;
}

.stage-card-bottom {
  bottom: 4%;
  left: 3%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  animation: cardFloat 5.8s ease-in-out 0.8s infinite;
}

.stage-card-bottom > span:last-child {
  display: grid;
  line-height: 1.2;
}

.stage-card-bottom strong {
  font-size: 0.72rem;
  font-weight: 600;
}

.stage-card-bottom small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.55rem;
}

.hero-scroll {
  position: absolute;
  bottom: 24px;
  left: max(24px, calc((100vw - 1240px) / 2));
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-scroll span {
  position: relative;
  display: block;
  width: 44px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.14);
}

.hero-scroll span::after {
  position: absolute;
  inset: 0;
  content: "";
  background: var(--cyan);
  animation: scrollLine 2.4s var(--ease) infinite;
}

@keyframes orbitSpin { to { transform: rotate(360deg); } }
@keyframes orbitSpinReverse { to { transform: rotate(-360deg); } }
@keyframes cardFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@keyframes scrollLine { 0% { transform: translateX(-100%); } 55%, 100% { transform: translateX(110%); } }

/* REFERENCES */
.references {
  position: relative;
  z-index: 2;
  padding-block: clamp(72px, 7vw, 112px);
  color: var(--ink);
  background: var(--paper);
}

.references-shell {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(42px, 7vw, 110px);
  align-items: start;
}

.references .section-kicker {
  color: #656875;
}

.references-intro h2 {
  max-width: 470px;
  margin-top: 15px;
  font-size: clamp(1.85rem, 3vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.03;
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(10, 11, 15, 0.16);
  border-left: 1px solid rgba(10, 11, 15, 0.16);
}

.client-card {
  position: relative;
  display: flex;
  min-height: 142px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  overflow: hidden;
  border-right: 1px solid rgba(10, 11, 15, 0.16);
  border-bottom: 1px solid rgba(10, 11, 15, 0.16);
  background: rgba(255, 255, 255, 0.16);
  transition: color 240ms ease, background 240ms ease;
}

.client-card::before {
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--purple-deep), #0ebeea);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 280ms var(--ease);
}

.client-card:hover {
  color: #000;
  background: #fff;
}

.client-card:hover::before {
  transform: scaleX(1);
}

.client-card-wide {
  grid-column: span 3;
  min-height: 112px;
  flex-direction: row;
  align-items: center;
}

.client-wordmark {
  font-size: clamp(1.1rem, 1.7vw, 1.65rem);
  font-weight: 600;
  letter-spacing: -0.045em;
}

.client-card small {
  color: #71747d;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.wordmark-tencent { font-style: italic; }
.wordmark-nexans { letter-spacing: -0.08em; }
.wordmark-bpifrance { text-transform: lowercase; }
.wordmark-intermarche { color: #d71920; }
.wordmark-hexaom { letter-spacing: 0.08em; }
.wordmark-ionis { letter-spacing: 0.13em; }
.wordmark-natireso { letter-spacing: 0.16em; }

/* GENERIC HEADINGS */
.section-heading {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(50px, 8vw, 130px);
  align-items: end;
  margin-bottom: clamp(48px, 7vw, 88px);
}

.section-heading h2,
.method-heading h2,
.journey-heading h2,
.faq h2,
.contact h2 {
  margin-top: 16px;
  font-size: clamp(2.3rem, 4.8vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.section-heading > p,
.method-heading > p,
.journey-heading > p,
.faq-grid > div:first-child > p:last-child {
  color: var(--muted-strong);
  font-size: clamp(0.95rem, 1.2vw, 1.12rem);
}

/* VISION */
.vision {
  position: relative;
  background: var(--bg);
}

.vision::before {
  position: absolute;
  top: 18%;
  right: -12%;
  width: 42vw;
  aspect-ratio: 1;
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle, rgba(63, 190, 229, 0.09), transparent 67%);
  pointer-events: none;
}

.vision-grid {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: clamp(34px, 7vw, 110px);
}

.section-rail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  color: var(--muted);
}

.section-rail::after {
  width: 1px;
  height: 140px;
  content: "";
  background: linear-gradient(var(--line-strong), transparent);
}

.section-rail span {
  color: var(--cyan);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.72rem;
}

.section-rail p {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.vision-statement {
  max-width: 990px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.65rem, 5.5vw, 6rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.vision-statement span {
  color: transparent;
  background: linear-gradient(100deg, var(--purple), var(--cyan));
  background-clip: text;
  -webkit-background-clip: text;
}

.vision-columns {
  display: grid;
  max-width: 820px;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(34px, 6vw, 90px);
  margin: clamp(48px, 7vw, 90px) 0 0 auto;
  color: var(--muted-strong);
}

.principle {
  position: relative;
  display: grid;
  max-width: 820px;
  grid-template-columns: auto 1fr;
  gap: 22px;
  margin: clamp(48px, 7vw, 90px) 0 0 auto;
  padding: 30px 0 0;
  border-top: 1px solid var(--line);
}

.quote-mark {
  color: var(--purple);
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 0.8;
}

.principle p {
  max-width: 680px;
  color: #d7dae3;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.25rem, 2vw, 1.85rem);
  line-height: 1.35;
}

/* SYSTEM */
.system {
  background: #0a0b10;
}

.system-board {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 50% 50%, rgba(126, 77, 255, 0.13), transparent 28%), linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008));
  box-shadow: inset 0 0 90px rgba(0, 0, 0, 0.25);
}

.system-board::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.45;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(circle, #000 0%, transparent 72%);
}

.system-lines {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(88%, 1000px);
  height: auto;
  overflow: visible;
  transform: translate(-50%, -50%);
}

.system-lines path,
.system-lines circle {
  fill: none;
  stroke: url(#lineGradient);
  stroke-width: 1;
  stroke-dasharray: 5 9;
  opacity: 0.48;
  vector-effect: non-scaling-stroke;
}

.system-lines path {
  animation: dashFlow 26s linear infinite;
}

@keyframes dashFlow { to { stroke-dashoffset: -280; } }

.system-core {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  display: grid;
  width: 260px;
  min-height: 260px;
  place-content: center;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  text-align: center;
  background: rgba(11, 12, 17, 0.8);
  box-shadow: 0 0 0 18px rgba(255, 255, 255, 0.018), 0 25px 70px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(18px);
  transform: translate(-50%, -50%);
}

.core-index {
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.system-core h3 {
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.05em;
}

.system-core p {
  margin-top: 10px;
  color: var(--muted-strong);
  font-size: 0.75rem;
  line-height: 1.6;
}

.system-node {
  position: absolute;
  z-index: 4;
  display: grid;
  min-width: 140px;
  gap: 4px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  background: rgba(14, 16, 22, 0.78);
  backdrop-filter: blur(15px);
  transition: border-color 220ms ease, background 220ms ease, transform 220ms var(--ease), box-shadow 220ms ease;
}

.system-node span {
  color: var(--muted);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.system-node:hover,
.system-node:focus-visible,
.system-node.is-active {
  border-color: rgba(118, 221, 255, 0.68);
  background: rgba(29, 29, 42, 0.92);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.24), 0 0 28px rgba(85, 220, 255, 0.08);
  transform: translateY(-4px);
}

.node-1 { top: 8%; left: 8%; }
.node-2 { top: 7%; left: 50%; transform: translateX(-50%); }
.node-2:hover, .node-2:focus-visible, .node-2.is-active { transform: translateX(-50%) translateY(-4px); }
.node-3 { top: 8%; right: 8%; }
.node-4 { bottom: 8%; left: 8%; }
.node-5 { bottom: 7%; left: 50%; transform: translateX(-50%); }
.node-5:hover, .node-5:focus-visible, .node-5.is-active { transform: translateX(-50%) translateY(-4px); }
.node-6 { right: 8%; bottom: 8%; }

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
  perspective: 1000px;
}

.capability-card {
  --rx: 0deg;
  --ry: 0deg;
  position: relative;
  min-height: 430px;
  padding: clamp(26px, 3.3vw, 44px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
  transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: border-color 240ms ease, transform 180ms ease, background 240ms ease;
}

.capability-card::after {
  position: absolute;
  right: -20%;
  bottom: -35%;
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle, rgba(126, 77, 255, 0.19), transparent 70%);
  transition: transform 420ms var(--ease);
}

.capability-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.02));
}

.capability-card:hover::after {
  transform: translate(-10%, -10%) scale(1.1);
}

.capability-featured {
  background: linear-gradient(145deg, rgba(120, 78, 209, 0.22), rgba(25, 29, 39, 0.45));
}

.capability-number {
  color: var(--cyan);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.capability-card h3 {
  margin-top: 86px;
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.055em;
}

.capability-card p {
  margin-top: 20px;
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.capability-card ul {
  display: grid;
  gap: 10px;
  margin-top: 30px;
  list-style: none;
}

.capability-card li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #d3d6df;
  font-size: 0.72rem;
}

.capability-card li::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  content: "";
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(85, 220, 255, 0.7);
}

/* METHOD */
.method {
  color: var(--ink);
  background: var(--paper);
}

.method .section-kicker {
  color: #676b75;
}

.method-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(60px, 9vw, 150px);
}

.method-heading {
  position: sticky;
  top: 120px;
  align-self: start;
}

.method-heading h2 {
  font-size: clamp(2.4rem, 4.4vw, 4.7rem);
}

.method-heading > p {
  max-width: 560px;
  margin-top: 30px;
  color: #62656e;
}

.method-list {
  list-style: none;
  border-top: 1px solid rgba(10, 11, 15, 0.18);
}

.method-list li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 28px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(10, 11, 15, 0.18);
}

.method-list > li > span {
  color: #747681;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.72rem;
}

.method-list h3 {
  font-size: clamp(1.45rem, 2.3vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.method-list p {
  max-width: 590px;
  margin-top: 12px;
  color: #666973;
}

/* JOURNEY */
.journey {
  background: var(--bg);
}

.journey-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(70px, 10vw, 160px);
}

.journey-heading {
  position: sticky;
  top: 120px;
  align-self: start;
}

.journey-heading h2 {
  font-size: clamp(2.5rem, 4.7vw, 5rem);
}

.journey-heading > p {
  max-width: 520px;
  margin: 28px 0;
}

.education-note {
  display: grid;
  gap: 2px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.education-note strong {
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.education-note span {
  color: var(--muted);
  font-size: 0.72rem;
}

.timeline {
  position: relative;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 9px;
  width: 1px;
  content: "";
  background: linear-gradient(var(--purple), rgba(255, 255, 255, 0.08) 40%, transparent);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 165px 1fr;
  gap: 28px;
  padding: 0 0 42px 42px;
}

.timeline-item::before {
  position: absolute;
  top: 7px;
  left: 5px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--bg);
  border-radius: 50%;
  content: "";
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(85, 220, 255, 0.08), 0 0 18px rgba(85, 220, 255, 0.45);
}

.timeline-item time {
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timeline-item h3 {
  font-size: 1.12rem;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.timeline-item p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.78rem;
}

/* MINDBLOW */
.mindblow {
  position: relative;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  isolation: isolate;
}

.mindblow::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  opacity: 0.5;
  background-image: linear-gradient(rgba(10, 11, 15, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(10, 11, 15, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
}

.mindblow-glow {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(15px);
}

.glow-a {
  top: -25%;
  right: 2%;
  width: 48vw;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(190, 153, 255, 0.46), transparent 68%);
}

.glow-b {
  bottom: -46%;
  left: -8%;
  width: 48vw;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(85, 220, 255, 0.38), transparent 68%);
}

.mindblow-logo-stage {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: clamp(24px, 4vw, 44px);
  border-bottom: 1px solid rgba(10, 11, 15, 0.18);
}

.mindblow-logo-stage img {
  width: min(100%, 900px);
  height: auto;
}

.mindblow-logo-stage span {
  flex: 0 0 auto;
  padding-bottom: 0.35em;
  color: #666a75;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.mindblow-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: clamp(60px, 10vw, 160px);
  align-items: start;
  margin-top: clamp(60px, 9vw, 120px);
}

.mindblow .section-kicker {
  color: #666a75;
}

.mindblow h2 {
  max-width: 650px;
  margin-top: 16px;
  font-size: clamp(2.9rem, 6.6vw, 7rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.88;
}

.mindblow-copy {
  padding-top: 34px;
  border-top: 1px solid rgba(10, 11, 15, 0.2);
}

.mindblow-copy p {
  color: #5f626b;
}

.mindblow-copy p + p {
  margin-top: 20px;
}

.mindblow-copy .mindblow-lead {
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  font-weight: 500;
  line-height: 1.32;
}

.mindblow-copy .button {
  margin-top: 32px;
}

/* DECISION */
.decision {
  position: relative;
  overflow: hidden;
  background: #090b11;
  isolation: isolate;
}

.decision::before {
  position: absolute;
  inset: 0;
  z-index: -3;
  content: "";
  opacity: 0.45;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
}

.decision-aurora {
  position: absolute;
  z-index: -2;
  border-radius: 50%;
  filter: blur(14px);
  pointer-events: none;
}

.decision-aurora-a {
  top: -34%;
  right: -8%;
  width: min(760px, 58vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(128, 79, 255, 0.28), transparent 66%);
  animation: decisionDrift 10s ease-in-out infinite alternate;
}

.decision-aurora-b {
  bottom: -52%;
  left: -10%;
  width: min(720px, 54vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(54, 218, 255, 0.19), transparent 66%);
  animation: decisionDrift 13s ease-in-out -4s infinite alternate-reverse;
}

@keyframes decisionDrift {
  to { transform: translate3d(5%, -3%, 0) scale(1.08); }
}

.decision-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr);
  gap: clamp(44px, 7vw, 110px);
  align-items: center;
  padding: clamp(36px, 5vw, 72px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: clamp(30px, 4vw, 52px);
  background: linear-gradient(145deg, rgba(20, 23, 34, 0.94), rgba(12, 14, 21, 0.88));
  box-shadow: var(--shadow-glow), inset 0 1px rgba(255, 255, 255, 0.08);
}

.decision-shell::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(115deg, transparent 18%, rgba(255, 255, 255, 0.04) 42%, transparent 58%);
  transform: translateX(-120%);
  animation: decisionSweep 9s var(--ease) infinite;
}

@keyframes decisionSweep {
  0%, 68% { transform: translateX(-120%); }
  88%, 100% { transform: translateX(120%); }
}

.decision-copy,
.decision-panel {
  position: relative;
  z-index: 1;
}

.decision-kicker-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  align-items: center;
  justify-content: space-between;
}

.decision-availability {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #b9c0d1;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.decision-availability i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(109, 240, 183, 0.08), 0 0 18px rgba(109, 240, 183, 0.56);
  animation: availabilityPulse 2.4s ease-in-out infinite;
}

@keyframes availabilityPulse {
  50% { box-shadow: 0 0 0 9px rgba(109, 240, 183, 0), 0 0 24px rgba(109, 240, 183, 0.76); }
}

.decision h2 {
  max-width: 720px;
  margin-top: 18px;
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: clamp(2.7rem, 5.4vw, 5.7rem);
  font-weight: 450;
  letter-spacing: -0.065em;
  line-height: 0.93;
}

.decision h2 span {
  color: transparent;
  background: linear-gradient(96deg, #d6b5ff, #72ddff 82%);
  background-clip: text;
  -webkit-background-clip: text;
}

.decision-lead {
  max-width: 570px;
  margin-top: 28px;
  color: #aeb5c6;
  font-size: clamp(0.95rem, 1.15vw, 1.08rem);
}

.decision-panel {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.06), 0 24px 70px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(18px);
}

.decision-panel-label {
  margin-bottom: 14px;
  color: #8f97a9;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.decision-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.decision-option {
  min-height: 48px;
  padding: 11px 15px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 14px;
  cursor: pointer;
  text-align: left;
  color: #aeb5c6;
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.72rem;
  font-weight: 700;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease, transform 180ms var(--ease);
}

.decision-option:hover {
  color: #fff;
  border-color: rgba(124, 212, 255, 0.42);
  transform: translateY(-2px);
}

.decision-option.is-active {
  border-color: rgba(125, 220, 255, 0.72);
  color: #fff;
  background: linear-gradient(110deg, rgba(150, 97, 255, 0.18), rgba(68, 209, 255, 0.13));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.035), 0 10px 28px rgba(49, 141, 205, 0.10);
}

.decision-cta {
  --tx: 0px;
  --ty: 0px;
  position: relative;
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 16px;
  padding: 16px 17px 16px 24px;
  overflow: hidden;
  border: 0;
  border-radius: 24px;
  color: #08090d;
  background: linear-gradient(100deg, #d6b4ff 0%, #9fc7ff 46%, #64e6ff 100%);
  box-shadow: 0 20px 60px rgba(93, 196, 255, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.3) inset;
  transform: translate(var(--tx), var(--ty));
  transition: transform 180ms var(--ease), box-shadow 240ms ease, filter 240ms ease;
}

.decision-cta::before {
  position: absolute;
  inset: -100% auto -100% -18%;
  width: 22%;
  content: "";
  background: rgba(255, 255, 255, 0.45);
  filter: blur(16px);
  transform: rotate(18deg);
  animation: ctaShine 4.8s ease-in-out infinite;
}

@keyframes ctaShine {
  0%, 58% { left: -30%; }
  82%, 100% { left: 125%; }
}

.decision-cta:hover {
  filter: saturate(1.12) brightness(1.04);
  box-shadow: 0 28px 90px rgba(93, 196, 255, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.42) inset;
}

.decision-cta-copy {
  position: relative;
  z-index: 1;
  display: grid;
  line-height: 1.15;
}

.decision-cta-copy small {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.decision-cta-copy strong {
  margin-top: 7px;
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: clamp(1.2rem, 2vw, 1.75rem);
  font-weight: 550;
  letter-spacing: -0.04em;
}

.decision-cta-arrow {
  position: relative;
  z-index: 1;
  display: grid;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 18px;
  color: #fff;
  background: #0a0b10;
  box-shadow: 0 12px 28px rgba(10, 11, 16, 0.26);
  font-size: 1.35rem;
  transition: transform 240ms var(--ease);
}

.decision-cta:hover .decision-cta-arrow {
  transform: rotate(5deg) scale(1.06);
}

.decision-reassurance {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 16px;
  color: #8991a3;
  font-size: 0.62rem;
  font-weight: 600;
}

.decision-reassurance span {
  position: relative;
  padding-left: 13px;
}

.decision-reassurance span::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  content: "";
  background: var(--cyan);
}

/* FAQ */
.faq {
  position: relative;
  overflow: hidden;
  color: var(--faq-ink);
  background: linear-gradient(135deg, #f0ecff 0%, #e9e8ff 38%, #dff8ff 100%);
  isolation: isolate;
}

.faq::before {
  position: absolute;
  inset: 0;
  z-index: -3;
  content: "";
  opacity: 0.45;
  background-image: radial-gradient(rgba(20, 23, 34, 0.14) 0.7px, transparent 0.7px);
  background-size: 18px 18px;
  mask-image: linear-gradient(90deg, #000, transparent 82%);
}

.faq-orb {
  position: absolute;
  z-index: -2;
  border-radius: 50%;
  filter: blur(10px);
  pointer-events: none;
}

.faq-orb-a {
  top: -42%;
  right: -8%;
  width: min(700px, 58vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(125, 77, 255, 0.28), transparent 68%);
}

.faq-orb-b {
  bottom: -55%;
  left: -12%;
  width: min(660px, 56vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(46, 205, 238, 0.26), transparent 68%);
}

.faq-index {
  position: absolute;
  top: clamp(42px, 7vw, 90px);
  right: max(20px, calc((100vw - 1240px) / 2));
  z-index: -1;
  color: rgba(23, 24, 38, 0.045);
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: clamp(10rem, 24vw, 25rem);
  font-weight: 600;
  letter-spacing: -0.11em;
  line-height: 0.72;
}

.faq-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(64px, 10vw, 160px);
}

.faq .section-kicker {
  color: #65677a;
}

.faq h2 {
  color: #11131d;
  font-size: clamp(2.7rem, 5.2vw, 5.4rem);
  font-weight: 500;
}

.faq-grid > div:first-child > p:last-of-type {
  max-width: 500px;
  margin-top: 24px;
  color: #5e6271;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
}

.faq-signal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 10px 14px;
  border: 1px solid rgba(17, 19, 29, 0.12);
  border-radius: 999px;
  color: #45495a;
  background: rgba(255, 255, 255, 0.42);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.faq-signal span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6c45e8;
  box-shadow: 0 0 0 5px rgba(108, 69, 232, 0.09);
}

.faq-list {
  border-top: 1px solid rgba(17, 19, 29, 0.16);
}

.faq details {
  border-bottom: 1px solid rgba(17, 19, 29, 0.16);
}

.faq summary {
  display: flex;
  min-height: 94px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  list-style: none;
  color: #151722;
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: clamp(1.12rem, 1.8vw, 1.58rem);
  font-weight: 520;
  letter-spacing: -0.03em;
  transition: color 180ms ease, padding-left 220ms var(--ease);
}

.faq summary:hover {
  color: #6240db;
  padding-left: 8px;
}

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

.faq summary span {
  display: grid;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(17, 19, 29, 0.14);
  border-radius: 12px;
  color: #151722;
  background: rgba(255, 255, 255, 0.45);
  font-size: 1.2rem;
  font-weight: 400;
  transition: transform 240ms var(--ease), color 180ms ease, background 180ms ease;
}

.faq details[open] summary span {
  color: #fff;
  background: #171923;
  transform: rotate(45deg);
}

.faq details p {
  max-width: 760px;
  padding: 0 58px 32px 0;
  color: #555a69;
}

.faq details a {
  color: #5c39ce;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* CONTACT */
.contact {
  position: relative;
  overflow: hidden;
  background: #0b0c11;
}

.contact::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 70vw;
  aspect-ratio: 2;
  content: "";
  background: radial-gradient(ellipse, rgba(111, 74, 212, 0.16), rgba(34, 167, 202, 0.08) 42%, transparent 70%);
  transform: translate(-50%, -50%);
}

.contact-shell {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: clamp(60px, 10vw, 150px);
  align-items: center;
}

.contact h2 {
  max-width: 760px;
  font-size: clamp(3rem, 6.5vw, 7rem);
}

.contact-card {
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(18, 20, 27, 0.76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.contact-card > p {
  color: var(--muted-strong);
  font-size: 1rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.contact-meta {
  display: grid;
  gap: 8px;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.7rem;
}

.contact-meta a:hover {
  color: var(--cyan);
}

/* FOOTER */
.site-footer {
  padding-block: 34px;
  border-top: 1px solid var(--line);
  background: #07080b;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: center;
  color: var(--muted);
  font-size: 0.67rem;
}

.footer-inner > div:first-child {
  display: grid;
  line-height: 1.3;
}

.footer-inner > div:first-child strong {
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
}

.footer-links a:hover {
  color: var(--text);
}

/* REVEAL */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 760ms var(--ease) var(--reveal-delay, 0ms), transform 760ms var(--ease) var(--reveal-delay, 0ms);
}

[data-reveal].is-visible,
.no-js [data-reveal] {
  opacity: 1;
  transform: translateY(0);
}

/* ACCESSIBILITY */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

/* RESPONSIVE */
@media (max-width: 1120px) {
  :root {
    --shell: min(100% - 40px, 1040px);
  }

  .hero-shell {
    grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
    gap: 34px;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 6vw, 4.75rem);
  }

  .hero-stage {
    width: min(100%, 500px);
  }

  .references-shell,
  .section-heading,
  .mindblow-grid {
    gap: 60px;
  }

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

  .client-card-wide {
    grid-column: span 2;
  }

  .system-board {
    min-height: 600px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 72px;
    --shell: min(100% - 32px, 780px);
  }

  .site-header {
    padding-inline: 16px;
  }

  .brand-copy small {
    display: none;
  }

  .menu-toggle {
    display: block;
    position: relative;
    z-index: 202;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 201;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 18px;
    padding: 80px 28px 40px;
    visibility: hidden;
    opacity: 0;
    background: rgba(8, 9, 13, 0.98);
    transform: translateY(-12px);
    transition: opacity 220ms ease, visibility 220ms ease, transform 220ms var(--ease);
  }

  .menu-open .main-nav {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .main-nav > a {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.65rem;
    font-weight: 500;
  }

  .main-nav .nav-cta {
    margin-top: 14px;
    font-family: "Manrope", sans-serif;
    font-size: 0.85rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-shell {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 52px;
    padding-top: calc(var(--header-h) + 58px);
    padding-bottom: 94px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero h1 {
    max-width: 720px;
    font-size: clamp(3.1rem, 10.5vw, 5.2rem);
  }

  .hero-tail {
    max-width: 620px;
  }

  .hero-stage {
    order: -1;
    width: min(100%, 620px);
    justify-self: center;
  }

  .hero-scroll {
    display: none;
  }

  .references-shell,
  .section-heading,
  .method-grid,
  .journey-grid,
  .mindblow-grid,
  .faq-grid,
  .contact-shell {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
  }

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

  .section-rail {
    flex-direction: row;
    align-items: center;
  }

  .section-rail::after {
    width: 90px;
    height: 1px;
    background: linear-gradient(90deg, var(--line-strong), transparent);
  }

  .section-rail p {
    writing-mode: initial;
  }

  .vision-columns,
  .principle {
    margin-left: 0;
  }

  .system-board {
    display: grid;
    min-height: auto;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 20px;
  }

  .system-lines {
    display: none;
  }

  .system-core {
    position: relative;
    top: auto;
    left: auto;
    grid-column: 1 / -1;
    width: 100%;
    min-height: 230px;
    border-radius: 24px;
    transform: none;
  }

  .system-node {
    position: relative;
    inset: auto;
    min-width: 0;
    transform: none;
  }

  .node-2:hover, .node-2:focus-visible, .node-2.is-active,
  .node-5:hover, .node-5:focus-visible, .node-5.is-active {
    transform: translateY(-4px);
  }

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

  .capability-card {
    min-height: 340px;
  }

  .capability-card h3 {
    margin-top: 48px;
  }

  .method-heading,
  .journey-heading {
    position: static;
  }

  .journey-grid,
  .method-grid,
  .faq-grid,
  .contact-shell {
    gap: 70px;
  }

  .decision-shell {
    grid-template-columns: 1fr;
  }

  .decision-cta {
    justify-self: start;
  }

  .mindblow-word {
    font-size: clamp(3.3rem, 15vw, 7rem);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .section-pad {
    padding-block: 88px;
  }

  .brand-copy strong {
    font-size: 0.78rem;
  }

  .hero-shell {
    gap: 38px;
    padding-top: calc(var(--header-h) + 40px);
    padding-bottom: 78px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 14vw, 4.1rem);
    letter-spacing: -0.07em;
  }

  .hero-tail {
    margin-top: 0.34em;
    font-size: 0.46em;
  }

  .hero-lead {
    font-size: 0.95rem;
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-proof {
    grid-template-columns: 1fr;
  }

  .hero-proof div,
  .hero-proof div + div {
    grid-template-columns: 95px 1fr;
    align-items: center;
    padding: 13px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-proof div:last-child {
    border-bottom: 0;
  }

  .hero-stage {
    width: 100%;
  }

  .portrait-shell {
    inset: 10% 5% 5% 7%;
  }

  .orbit-label {
    font-size: 0.52rem;
  }

  .orbit-label-one { left: 0; }
  .orbit-label-two { right: 0; }
  .orbit-label-three { right: 0; }
  .stage-card-top { right: 0; width: 48%; }
  .stage-card-bottom { left: 0; }

  .references-shell {
    gap: 42px;
  }

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

  .client-card,
  .client-card-wide {
    grid-column: auto;
    min-height: 108px;
    flex-direction: row;
    align-items: center;
  }

  .vision-statement {
    font-size: clamp(2.35rem, 12vw, 4rem);
  }

  .vision-columns {
    grid-template-columns: 1fr;
    gap: 22px;
  }

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

  .quote-mark {
    height: 30px;
  }

  .section-heading h2,
  .method-heading h2,
  .journey-heading h2,
  .faq h2,
  .contact h2 {
    font-size: clamp(2.3rem, 11vw, 3.6rem);
  }

  .system-board {
    grid-template-columns: 1fr;
    padding: 12px;
    border-radius: 24px;
  }

  .system-core {
    grid-column: auto;
    min-height: 210px;
  }

  .capability-card {
    padding: 28px;
  }

  .method-list li {
    grid-template-columns: 42px 1fr;
    gap: 14px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-left: 34px;
  }

  .mindblow-word {
    white-space: normal;
  }

  .mindblow h2 {
    font-size: clamp(3rem, 15vw, 5.4rem);
  }

  .decision-shell {
    padding: 26px;
    border-radius: 26px;
  }

  .decision-cta {
    width: 100%;
  }

  .faq summary {
    min-height: 78px;
    font-size: 1.05rem;
  }

  .contact-actions {
    display: grid;
  }

  .contact-actions .button {
    width: 100%;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

@media (max-height: 780px) and (min-width: 901px) {
  .hero-shell {
    gap: 42px;
    padding-top: calc(var(--header-h) + 20px);
    padding-bottom: 38px;
  }

  .hero h1 {
    font-size: clamp(3rem, 4.7vw, 4.55rem);
  }

  .hero-copy .eyebrow {
    margin-bottom: 18px;
  }

  .hero-lead {
    margin-top: 20px;
    font-size: 0.98rem;
  }

  .hero-actions {
    margin-top: 24px;
  }

  .hero-proof {
    margin-top: 30px;
  }

  .hero-stage {
    width: min(100%, 470px);
  }
}


/* V2.1 LOGO + HOSTINGER-SAFE REFINEMENTS */
.stage-logo-copy {
  display: grid;
  gap: 5px;
}

.stage-mindblow-logo {
  width: 116px;
  height: auto;
}

.stage-logo-copy small {
  margin-top: 0;
}

.build-tag {
  margin-left: 7px;
  padding: 2px 6px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  font-size: 0.52rem;
  letter-spacing: 0.08em;
}

@media (max-width: 1120px) {
  .decision-shell {
    grid-template-columns: 0.86fr 1.14fr;
    gap: 46px;
  }
}

@media (max-width: 900px) {
  .mindblow-logo-stage {
    align-items: flex-start;
    flex-direction: column;
  }

  .mindblow-logo-stage img {
    width: min(100%, 720px);
  }

  .decision-shell {
    grid-template-columns: 1fr;
  }

  .decision-panel {
    max-width: 680px;
  }

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

@media (max-width: 620px) {
  .mindblow-logo-stage span {
    white-space: normal;
  }

  .decision-shell {
    padding: 24px;
    border-radius: 28px;
  }

  .decision h2 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .decision-kicker-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .decision-options {
    grid-template-columns: 1fr;
  }

  .decision-cta {
    min-height: 84px;
    padding-left: 18px;
    border-radius: 20px;
  }

  .decision-cta-arrow {
    width: 52px;
    height: 52px;
    border-radius: 16px;
  }

  .decision-reassurance {
    display: grid;
  }

  .faq-index {
    top: 36px;
    right: 12px;
    font-size: 11rem;
  }

  .faq summary {
    min-height: 82px;
  }

  .faq details p {
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .hero-canvas {
    display: none;
  }
}

/* =========================================================
   V2.2 — MOBILE OVERFLOW + COLLABORATIONS
   ========================================================= */

/* Defensive viewport containment. `.vision::before` previously extended
   12% beyond the right edge and increased the document width on mobile. */
html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

main,
.vision,
.references {
  max-width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

.vision::before {
  right: max(-12%, -96px);
}

/* References / collaborations */
.references {
  isolation: isolate;
  background:
    radial-gradient(circle at 4% 8%, rgba(85, 220, 255, 0.17), transparent 27%),
    radial-gradient(circle at 96% 92%, rgba(191, 156, 255, 0.18), transparent 31%),
    linear-gradient(145deg, #f8f7f3 0%, #eeece7 52%, #f4f0fb 100%);
}

.references::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(12, 14, 20, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 14, 20, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent, #000 16%, #000 84%, transparent);
}

.references-shell {
  grid-template-columns: minmax(260px, 0.58fr) minmax(0, 1.42fr);
  gap: clamp(44px, 6vw, 96px);
}

.references-intro {
  position: sticky;
  top: calc(var(--header-h) + 34px);
}

.references-intro h2 {
  max-width: 520px;
}

.references-copy {
  max-width: 470px;
  margin-top: 22px;
  color: #5f626c;
  font-size: clamp(0.94rem, 1vw, 1.05rem);
}

.references-meta {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  max-width: 470px;
  margin-top: 34px;
  padding-top: 16px;
  border-top: 1px solid rgba(10, 11, 15, 0.16);
  color: #6b6e78;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.client-grid {
  min-width: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  border: 0;
}

.client-card {
  position: relative;
  isolation: isolate;
  display: grid;
  min-width: 0;
  min-height: 164px;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto minmax(54px, 1fr);
  gap: 12px;
  align-items: start;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(10, 11, 15, 0.12);
  border-radius: 20px;
  color: #161820;
  background: rgba(255, 255, 255, 0.56);
  box-shadow: 0 16px 38px rgba(25, 24, 35, 0.055), inset 0 1px rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition:
    transform 420ms var(--ease),
    border-color 300ms ease,
    box-shadow 420ms var(--ease),
    background 300ms ease;
}

.client-card::before {
  position: absolute;
  inset: -26%;
  z-index: -2;
  height: auto;
  content: "";
  opacity: 0;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--client-accent) 24%, transparent), transparent 64%);
  transform: translate(24%, 26%) scale(0.62);
  transform-origin: center;
  transition: opacity 340ms ease, transform 620ms var(--ease);
}

.client-card::after {
  position: absolute;
  inset: 0 auto 0 0;
  z-index: -1;
  width: 3px;
  content: "";
  background: linear-gradient(to bottom, transparent, var(--client-accent) 24%, var(--client-accent) 76%, transparent);
  opacity: 0.45;
  transform: scaleY(0.22);
  transition: opacity 300ms ease, transform 420ms var(--ease);
}

.client-card:hover {
  color: #0a0b0f;
  border-color: color-mix(in srgb, var(--client-accent) 35%, rgba(10, 11, 15, 0.14));
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 24px 58px rgba(25, 24, 35, 0.12), inset 0 1px rgba(255, 255, 255, 0.95);
  transform: translateY(-6px);
}

.client-card:hover::before {
  opacity: 1;
  transform: translate(22%, 22%) scale(1);
}

.client-card:hover::after {
  opacity: 1;
  transform: scaleY(0.72);
}

.client-index {
  position: relative;
  grid-column: 1;
  z-index: 2;
  color: #7b7e87;
  font-size: 0.56rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}



.client-copy {
  position: relative;
  grid-row: 2;
  z-index: 2;
  display: grid;
  min-width: 0;
  grid-column: 1 / -1;
  align-self: end;
  gap: 4px;
}

.client-wordmark {
  min-width: 0;
  overflow-wrap: anywhere;
  color: inherit;
  font-size: clamp(1.12rem, 1.55vw, 1.55rem);
  font-weight: 550;
  letter-spacing: -0.05em;
  line-height: 1;
}

.client-card small {
  overflow-wrap: anywhere;
  color: #747780;
  font-size: 0.57rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  line-height: 1.35;
  text-transform: uppercase;
}

.client-signal {
  position: relative;
  grid-column: 2;
  z-index: 2;
  display: flex;
  height: 15px;
  align-items: flex-end;
  justify-self: end;
  gap: 3px;
}

.client-signal i {
  display: block;
  width: 3px;
  height: 5px;
  border-radius: 999px;
  background: var(--client-accent);
  opacity: 0.34;
  transition: height 320ms var(--ease), opacity 220ms ease;
}

.client-signal i:nth-child(2) { height: 9px; }
.client-signal i:nth-child(3) { height: 13px; }
.client-card:hover .client-signal i { height: 13px; opacity: 0.9; }
.client-card:hover .client-signal i:nth-child(2) { height: 7px; }
.client-card:hover .client-signal i:nth-child(3) { height: 10px; }

.wordmark-tencent { font-style: italic; }
.wordmark-nexans { letter-spacing: -0.075em; }
.wordmark-bpifrance { text-transform: lowercase; }
.wordmark-intermarche { color: inherit; }
.wordmark-hexaom { letter-spacing: 0.065em; }
.wordmark-ionis { letter-spacing: 0.11em; }
.wordmark-natireso { letter-spacing: 0.11em; }
.wordmark-bump { font-weight: 700; text-transform: lowercase; }
.wordmark-gentlemates { letter-spacing: -0.055em; }
.wordmark-riot { font-weight: 650; text-transform: uppercase; }
.wordmark-blizzard { font-style: italic; letter-spacing: -0.065em; }
.wordmark-simplon { font-weight: 650; }

@media (max-width: 1120px) {
  .client-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .references-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .references-intro {
    position: static;
  }

  .references-copy,
  .references-meta {
    max-width: 620px;
  }
}

@media (max-width: 620px) {
  .references {
    padding-block: 76px;
  }

  .references-shell {
    gap: 34px;
  }

  .client-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .client-card,
  .client-card-wide {
    min-height: 138px;
    grid-column: auto;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto minmax(48px, 1fr);
    align-items: start;
    padding: 14px;
    border-radius: 16px;
  }

  .client-wordmark {
    font-size: clamp(0.98rem, 4.5vw, 1.2rem);
  }

  .client-card small {
    font-size: 0.5rem;
    letter-spacing: 0.08em;
  }

  .references-meta {
    margin-top: 24px;
  }

  /* Do not let decorative layers or long technical labels create layout width. */
  .hero-stage,
  .system-board,
  .decision-shell,
  .faq,
  .contact {
    min-width: 0;
    max-width: 100%;
  }
}

@media (max-width: 374px) {
  .client-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .client-card,
  .client-card-wide {
    min-height: 128px;
  }
}

/* Grid children must be allowed to shrink inside the compact mobile CTA card. */
.decision-shell > *,
.decision-copy,
.decision-panel {
  min-width: 0;
}


/* V2.3 — header allégé, hero mobile visuel-first et cartes clients sans monogrammes. */


/* =========================================================
   MOBILE MENU — VIEWPORT-SAFE AT ANY SCROLL POSITION
   ========================================================= */
@media (max-width: 900px) {
  /* A backdrop-filter on the scrolled header creates a containing block for
     fixed descendants in several mobile browsers. Removing it while the menu
     is open keeps the overlay pinned to the viewport, not to the 68px header. */
  body.menu-open .site-header,
  body.menu-open .site-header.is-scrolled {
    min-height: var(--header-h);
    border-color: transparent;
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  body.menu-open .brand,
  body.menu-open .menu-toggle {
    position: relative;
    z-index: 203;
  }

  .main-nav {
    width: 100%;
    min-height: 100vh;
    min-height: 100svh;
    height: 100dvh;
    padding-top: calc(var(--header-h) + 38px);
    padding-right: max(28px, env(safe-area-inset-right));
    padding-bottom: max(40px, env(safe-area-inset-bottom));
    padding-left: max(28px, env(safe-area-inset-left));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
}