@font-face {
  font-family: "IAP Montserrat";
  src: url("polices/Montserrat.woff2") format("woff2"), url("polices/Montserrat.ttf") format("truetype");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "IAP Glacial";
  src: url("polices/Glacial_Indifference.woff2") format("woff2"), url("polices/Glacial_Indifference.ttf") format("truetype");
  font-display: swap;
}

:root {
  color-scheme: light;
  --navy: #04152c;
  --navy-soft: #103557;
  --ink: #102f50;
  --copy: #48627b;
  --muted: #60768b;
  --paper: #f5f8fc;
  --line: #dbe5ef;
  --cyan: #8cdae9;
  --blue: #2b6395;
  --font-title: "IAP Montserrat", Arial, sans-serif;
  --font-copy: "IAP Glacial", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 18px/1.6 var(--font-copy); -webkit-font-smoothing: antialiased; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img, svg, canvas { display: block; max-width: 100%; }
#sculpture-canvas[hidden] { display: none; }
img { height: auto; }
a { color: inherit; text-underline-offset: 4px; }
p { margin: 0 0 1em; }
h1, h2, h3 { margin: 0; font-family: var(--font-title); font-weight: 500; text-wrap: balance; }
h1 { font-size: clamp(42px, 4.25vw, 61px); line-height: 1.08; letter-spacing: -.048em; }
h2 { font-size: clamp(30px, 3.15vw, 43px); line-height: 1.17; letter-spacing: -.045em; }
h3 { font-size: 20px; line-height: 1.35; letter-spacing: -.025em; }
::selection { color: #fff; background: #2b6395; }
:focus-visible { outline: 2px solid #4395b0; outline-offset: 5px; }
.shell, .header-inner, .footer-inner { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
.sr-only, .hp-field { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; padding: 0 !important; border: 0 !important; }
.skip { position: fixed; z-index: 100; top: 10px; left: 18px; padding: 12px 18px; transform: translateY(-160%); color: var(--navy); background: white; border-radius: 7px; font: 600 13px var(--font-title); }
.skip:focus { transform: translateY(0); }

/* A quiet glass navigation lets the opening scene carry the visual identity. */
.site-header { position: relative; z-index: 30; color: #f3f8fe; background: rgba(4, 21, 44, .96); border-bottom: 1px solid rgba(179, 219, 245, .12); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.header-inner { min-height: 90px; display: flex; align-items: center; gap: 28px; }
.brand { width: 190px; flex: 0 0 auto; margin-right: auto; }
.brand img { width: 100%; filter: brightness(0) invert(1); opacity: .94; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav a { position: relative; padding-block: 9px; color: #ccdae6; text-decoration: none; white-space: nowrap; font: 500 12px/1.4 var(--font-title); transition: color .2s; }
.nav a::after { content: ""; position: absolute; bottom: 0; left: 0; width: 100%; height: 1px; transform: scaleX(0); transform-origin: left; background: var(--cyan); transition: transform .2s ease; }
.nav a:hover, .nav a:focus-visible { color: white; }
.nav a:hover::after, .nav a:focus-visible::after { transform: scaleX(1); }
.nav .nav-questionnaire { color: #a8dded; font-size: 11px; }
.header-cta { flex: 0 0 auto; padding: 12px 18px; color: #f3f9ff; border: 1px solid rgba(183, 219, 243, .38); border-radius: 100px; background: rgba(202, 231, 253, .045); font: 500 12px/1.3 var(--font-title); text-decoration: none; transition: background .2s, border-color .2s; }
.header-cta:hover { background: rgba(202, 231, 253, .12); border-color: rgba(183, 219, 243, .7); }
.menu-toggle { display: none; }

.hero { --hero-start: #04152c; --hero-end: #103557; position: relative; overflow: hidden; color: #f4f8ff; background: linear-gradient(90deg, var(--hero-start), var(--hero-end)); }
.hero__inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: 24px; padding-block: 84px 78px; }
.hero__inner > :first-child { position: relative; z-index: 2; }
.eyebrow, .section-label { margin: 0 0 22px; color: var(--blue); font: 600 11px/1.5 var(--font-title); letter-spacing: .17em; text-transform: uppercase; }
.hero .eyebrow { display: flex; align-items: center; gap: 14px; color: #a5ddea; margin-bottom: 28px; }
.hero .eyebrow::before { content: ""; width: 29px; height: 1px; background: linear-gradient(90deg, #7ec9dd, rgba(126, 201, 221, .1)); }
.hero h1 { max-width: 640px; }
.hero h1 > span { display: block; }
.hero__copy { max-width: 565px; margin: 29px 0 0; color: #b6cbdf; font-size: 18px; line-height: 1.65; text-align: justify; text-align-last: left; text-justify: inter-word; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; justify-content: center; align-items: center; gap: 17px; min-height: 48px; padding: 14px 22px; border: 1px solid transparent; border-radius: 100px; font: 600 12px/1.4 var(--font-title); text-decoration: none; text-align: center; transition: background .2s, border-color .2s, box-shadow .2s; }
.btn span { font-size: 17px; font-weight: 400; line-height: 1; }
.btn--primary { color: #f8fcff; background: var(--ink); border-color: var(--ink); }
.btn--primary:hover { background: #214b73; border-color: #214b73; }
.btn--secondary { color: var(--ink); background: transparent; border-color: #b5c8da; }
.btn--secondary:hover { border-color: #698eac; background: rgba(142, 180, 211, .1); }
.hero .btn--primary, .btn--light { color: #102e4b; background: linear-gradient(120deg, #fff, #dfedf8); border-color: #e4f0fa; box-shadow: 0 4px 22px rgba(0, 12, 26, .08); }
.hero .btn--primary:hover, .btn--light:hover { background: #fff; box-shadow: 0 3px 24px rgba(175, 228, 252, .16); }
.hero .btn--secondary, .section--blue .btn--secondary { color: #e3eef9; border-color: rgba(172, 207, 232, .35); background: rgba(226, 243, 255, .035); }
.hero .btn--secondary:hover, .section--blue .btn--secondary:hover { border-color: rgba(172, 207, 232, .65); background: rgba(226, 243, 255, .09); }
.hero__note { max-width: 540px; margin: 22px 0 0; color: #9bb4cb; font-size: 13px; }
.hero__visual.sculpture { position: relative; width: calc(100% + 62px); height: 560px; margin: -56px -38px 0 -24px; }
#sculpture-canvas { width: 100%; height: 100%; max-width: none; touch-action: pan-y; }
.sculpture-fallback { position: absolute; inset: 0; display: grid; place-content: center; color: #aecddd; font-size: 14px; }
.trust { position: relative; color: #c4d5e6; background: linear-gradient(90deg, #05172e, #0b2947); border-top: 1px solid rgba(157, 208, 239, .12); }
.trust__inner { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust__item { display: flex; align-items: center; gap: 17px; min-height: 84px; padding: 22px 28px; font-size: 14px; }
.trust__item:first-child { padding-left: 0; }
.trust__item + .trust__item { border-left: 1px solid rgba(157, 208, 239, .14); }
.trust__mark { flex: 0 0 auto; color: #74a7c4; font: 500 11px var(--font-title); letter-spacing: .05em; }

.section { padding-block: 108px; }
.section__intro { display: grid; grid-template-columns: 1.08fr 1fr; align-items: center; gap: 16px 74px; margin-bottom: 52px; }
.section__intro > .section-label { grid-column: 1 / -1; margin: 0; }
.section__intro > h2 { max-width: 590px; }
.section__intro > p:last-child { margin: 0; color: var(--copy); font-size: 18px; }
#demarche { background: #f8fafc; }
.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.process-card { position: relative; padding: 31px 30px 35px; border: 1px solid #dce6ee; border-radius: 16px; background: linear-gradient(135deg, #fff 0%, rgba(239, 246, 252, .65) 100%); }
.process-card__num { display: flex; align-items: center; gap: 17px; margin-bottom: 38px; color: #37678e; font: 500 13px var(--font-title); }
.process-card__num::after { content: ""; width: 60px; height: 1px; background: linear-gradient(90deg, #9bb9cf, transparent); }
.process-card h3 { margin-bottom: 15px; font-size: 20px; }
.process-card p { margin: 0; color: var(--copy); font-size: 17px; line-height: 1.65; }

.expertise-lab { overflow: hidden; color: #f1f7fc; background: linear-gradient(90deg, #04152c, #103557); border-block: 1px solid rgba(158, 202, 232, .15); }
.expertise-lab .section-label { color: #a5d5e7; }
.expertise-lab__grid { display: grid; grid-template-columns: minmax(0, 1.13fr) minmax(0, .87fr); gap: 28px 60px; align-items: center; }
.expertise-lab h2 { max-width: 610px; font-size: clamp(30px, 3vw, 41px); }
.expertise-lab__lead { margin: 24px 0 28px; color: #b6cbdf; font-size: 18px; }
.expertise-lenses { display: grid; gap: 0; border-top: 1px solid rgba(155, 194, 221, .22); }
.expertise-lens { display: grid; grid-template-columns: 32px 1fr; align-items: center; gap: 4px 13px; width: 100%; min-height: 100px; padding: 18px 20px; border: 0; border-bottom: 1px solid rgba(155, 194, 221, .22); background: transparent; text-align: left; color: #edf6fd; transition: background .2s, box-shadow .2s; }
.expertise-lens > span { grid-row: 1 / 3; color: #89abc4; font: 500 11px var(--font-title); }
.expertise-lens strong { font: 600 15px/1.4 var(--font-title); }
.expertise-lens small { color: #b6cbdf; font-size: 14px; line-height: 1.5; }
.expertise-lens:hover { background: rgba(204, 230, 249, .045); }
.expertise-lens.is-active { background: linear-gradient(110deg, rgba(171, 218, 243, .12), rgba(171, 218, 243, .025)); box-shadow: inset 2px 0 0 #92c8df; }
.expertise-lens.is-active > span { color: #c6e9f6; }
.expertise-core { position: relative; display: grid; align-content: center; min-height: 450px; border: 1px solid rgba(145, 177, 204, .35); border-radius: 24px; background: radial-gradient(ellipse at 50% 36%, rgba(202, 224, 243, .65), rgba(248, 251, 254, .18) 60%); }
.expertise-orbit { position: relative; width: 77%; aspect-ratio: 1; margin: 30px auto 4px; border-radius: 50%; border: 1px solid rgba(80, 130, 169, .22); background: radial-gradient(circle, rgba(204, 226, 243, .1) 0 21%, rgba(237, 248, 255, .88) 22%, rgba(157, 195, 224, .23) 23%, transparent 24% 42%, rgba(128, 174, 208, .10) 42.4%, transparent 43%); box-shadow: inset 0 0 50px rgba(191, 216, 237, .2); }
.expertise-orbit::before, .expertise-orbit::after { content: ""; position: absolute; inset: 27% -8%; border: 1px solid rgba(79, 133, 175, .46); border-radius: 50%; transform: rotate(-34deg); box-shadow: 0 1px 0 rgba(255, 255, 255, .9); }
.expertise-orbit::after { inset: 27% -8%; transform: rotate(34deg); border-color: rgba(79, 133, 175, .3); }
.expertise-orbit > span { position: absolute; inset: 39%; z-index: 1; display: grid; place-items: center; border: 1px solid rgba(107, 154, 188, .35); border-radius: 50%; color: #34617f; background: rgba(246, 251, 255, .65); box-shadow: 0 5px 20px rgba(100, 152, 190, .08), inset 0 1px 2px #fff; font: 600 12px/1 var(--font-title); letter-spacing: .03em; }
.expertise-orbit > i { position: absolute; z-index: 2; width: 5px; height: 5px; border-radius: 50%; background: #83b0ca; box-shadow: 0 0 0 4px rgba(173, 208, 229, .18); }
.expertise-orbit > i:nth-child(1) { left: 14%; top: 25%; }
.expertise-orbit > i:nth-child(2) { right: 13%; top: 29%; }
.expertise-orbit > i:nth-child(3) { right: 18%; bottom: 20%; }
.expertise-core[data-core-mode="1"] .expertise-orbit > i:nth-child(1), .expertise-core[data-core-mode="2"] .expertise-orbit > i:nth-child(2), .expertise-core[data-core-mode="3"] .expertise-orbit > i:nth-child(3) { background: #387b9d; box-shadow: 0 0 0 6px rgba(128, 185, 218, .2); }
.expertise-core__hud { display: flex; justify-content: space-between; gap: 12px; position: absolute; top: 23px; left: 24px; right: 24px; color: #59768e; font: 500 9px var(--font-title); letter-spacing: .08em; }
.expertise-core__caption { display: flex; align-items: baseline; gap: 12px; padding: 22px 27px; border-top: 1px solid rgba(139, 174, 202, .25); }
.expertise-core__caption p { margin: 0; max-width: 360px; color: #365874; font-size: 16px; }
.expertise-core__signal { flex: 0 0 auto; width: 5px; height: 5px; border-radius: 50%; background: #5a9cba; }
.expertise-proof { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 20px; margin-top: 18px; padding-top: 26px; border-top: 1px solid rgba(155, 194, 221, .22); color: #a9c2d7; font: 500 11px/1.5 var(--font-title); }
.expertise-proof span { display: flex; align-items: center; gap: 10px; }
.expertise-proof span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: #7fa5bf; }

#cas { background: #f8fafc; }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 35px; }
.case { display: flex; flex-direction: column; padding: 28px 0 0; border-top: 1px solid #bfd0de; }
.case__icon { color: #536f87; margin-bottom: 25px; font: 500 12px var(--font-title); }
.case h3 { margin-bottom: 14px; }
.case p { margin: 0 0 24px; color: var(--copy); font-size: 17px; }
.case__tag { display: block; margin-top: auto; color: #356384; font: 600 10px/1.5 var(--font-title); letter-spacing: .1em; text-transform: uppercase; }

.section--paper { background: #edf3f9; }
.audience-card { padding: 42px 45px; border: 1px solid #d4e1ec; border-radius: 20px; background: rgba(255, 255, 255, .68); }
.audience-card > h3 { font-size: 23px; }
.audience-card__lead { margin-top: 19px; color: var(--copy); font-size: 17px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 33px 0; padding-block: 28px; border-block: 1px solid #d6e1eb; }
.stat { padding-inline: 26px; }
.stat:first-child { padding-left: 0; }
.stat:last-child { padding-right: 0; }
.stat + .stat { border-left: 1px solid #d6e1eb; }
.stat strong { display: block; color: #2c618a; font: 500 39px/1.1 var(--font-title); letter-spacing: -.06em; }
.stat span { display: block; max-width: 250px; margin-top: 12px; color: var(--copy); font-size: 14px; line-height: 1.5; }
.stats-source { margin: -20px 0 30px; color: #5e7184; font-size: 12px; line-height: 1.6; }
.stats-source a { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.bullet-list { margin: 0; padding: 0; list-style: none; }
.bullet-list li { position: relative; padding-left: 23px; margin: 14px 0; color: var(--copy); font-size: 17px; }
.bullet-list li::before { content: ""; position: absolute; left: 1px; top: .76em; width: 5px; height: 1px; background: #6494b3; }
.download-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.download-row .btn { font-size: 11px; }
.download-row .brochure-alt-link { align-self: center; color: #315d79; font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.audience-card--dark .download-row .brochure-alt-link { color: #d2eaf5; }
.section--blue { color: #f0f6fc; background: linear-gradient(105deg, #05182f, #0f3152); }
.section--blue .section-label { color: #92cddd; }
.section--blue .section__intro > p:last-child { color: #b5c9dd; }
.audience { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr); align-items: center; gap: 48px; }
.audience-card--dark { padding: 0; border: 0; border-radius: 0; background: transparent; }
.audience-card--dark h3 { font-size: 22px; }
.audience-card--dark .audience-card__lead, .audience-card--dark .bullet-list li { color: #b5c9dd; }
.audience-card--dark .stats { border-color: rgba(151, 190, 219, .22); }
.audience-card--dark .stat { padding-inline: 19px; }
.audience-card--dark .stat:first-child { padding-left: 0; }
.audience-card--dark .stat + .stat { border-color: rgba(151, 190, 219, .22); }
.audience-card--dark .stat strong { color: #b7dcef; font-size: 32px; }
.audience-card--dark .stat span { color: #b5c9dd; font-size: 13px; }
.audience-card--dark .stats-source { color: #9fb8cf; }
.audience .visual-card { width: 100%; opacity: 1; }
.interactive-diagram { width: 100%; height: auto; }
.network-diagram { filter: saturate(.58); }
.conditions { display: grid; grid-template-columns: 1fr; gap: 36px; }
.conditions__intro > p:last-child { max-width: 650px; margin: 20px 0 0; color: var(--copy); }
.condition-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
/* Reuse the method cards' visual treatment, including their numbered rule. */
.condition { min-width: 0; }
.condition h3 { min-height: 2.7em; }
#conditions .conditions__intro p:not(.section-label) { text-align: left; text-align-last: auto; -webkit-hyphens: none; hyphens: none; }

.resource-preview { background: #f9fbfd; }
.resource-preview__intro { max-width: 710px; margin-bottom: 45px; }
.resource-preview__intro > p:last-child { margin-top: 21px; color: var(--copy); }
.resource-preview__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.resource-preview__card { display: flex; flex-direction: column; padding: 27px 23px 26px; border: 1px solid #dae5ef; border-radius: 14px; background: linear-gradient(135deg, #fff, #f1f6fb); text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.resource-preview__card:hover { border-color: #93b5ce; box-shadow: 0 8px 24px rgba(19, 61, 91, .055); }
.resource-preview__card > span { margin-bottom: 34px; color: #477594; font: 500 10px/1.6 var(--font-title); letter-spacing: .02em; }
.resource-preview__card h3 { margin-bottom: 14px; font-size: 18px; line-height: 1.4; text-wrap: initial; }
.resource-preview__card p { margin-bottom: 28px; color: var(--copy); font-size: 16px; line-height: 1.55; }
.resource-preview__card > strong { display: block; padding-top: 18px; margin-top: auto; border-top: 1px solid #dce6ee; color: #2e6287; font: 600 11px/1.5 var(--font-title); }
.resource-preview__card--tool { background: linear-gradient(135deg, #edf5fb, #e6f0f8); }
.resource-preview__all { margin: 35px 0 0; }
.resource-preview__all .btn { background: transparent; color: #254f71; border-color: #b6cadb; font-size: 11px; }
.resource-preview__all .btn:hover { background: #edf4fa; }

.contact { color: #f4f8ff; background: linear-gradient(105deg, #04152c, #103557); }
.contact > .shell { display: grid; grid-template-columns: minmax(0, 1fr); gap: 44px; justify-items: center; }
.contact__intro { width: 100%; max-width: 720px; text-align: center; }
.contact__intro .section-label { color: #98d0e2; }
.contact__intro > p:last-child { margin: 22px auto 0; color: #b4c9dd; font-size: 18px; }
#contact .contact__intro p { text-align: center; text-align-last: auto; -webkit-hyphens: none; hyphens: none; }
.contact-form { display: grid; width: 100%; max-width: 820px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 24px; }
.contact-form label { display: block; color: #d7e4ef; font: 500 12px/1.5 var(--font-title); }
.contact-form .large, .contact-form .submit { grid-column: 1 / -1; }
.contact-form input, .contact-form textarea { display: block; width: 100%; min-height: 48px; margin-top: 9px; padding: 12px 14px; color: #f4faff; border: 1px solid rgba(155, 194, 225, .3); border-radius: 8px; background: rgba(208, 231, 255, .04); font: 16px/1.5 var(--font-copy); transition: border-color .2s, background .2s; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: #8bbecc; background: rgba(208, 231, 255, .07); box-shadow: 0 0 0 3px rgba(100, 159, 188, .12); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #a0b8ce; opacity: 1; }
.contact-form textarea { min-height: 135px; resize: vertical; }
.contact-form .form-guidance { margin: -10px 0 0; color: #a9bfd2; font: 13px/1.6 var(--font-copy); }
.contact-form label.consent { display: block; color: #adbed0; font: 13px/1.6 var(--font-copy); }
.contact-form .consent input { display: inline-block; width: 15px; min-height: 15px; height: 15px; margin: 0 6px 0 0; vertical-align: -3px; accent-color: #9bd3e6; }
.contact-form .consent a { color: #d9edf8; }
.contact-form .submit { justify-self: center; }
.contact-form button:disabled { opacity: .45; cursor: not-allowed; }
.notice { margin: 0; padding: 16px; border: 1px solid rgba(162, 198, 225, .3); border-radius: 8px; color: #cbdeed; font-size: 14px; }
.contact-form .cf-turnstile { min-height: 65px; }

footer { padding-block: 56px 30px; color: #a5bbcf; background: #04152c; border-top: 1px solid rgba(171, 206, 232, .14); }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 34px 60px; align-items: start; }
.logo-pied { width: 210px; filter: brightness(0) invert(1); opacity: .86; }
.footer-links { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 13px 23px; padding-top: 6px; color: #c3d3e1; font: 500 11px/1.5 var(--font-title); }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: #fff; text-decoration: underline; }
.legal { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-column: 1 / -1; gap: 30px; padding-top: 12px; }
.legal details { border-top: 1px solid rgba(171, 206, 232, .17); padding-top: 15px; }
.legal summary { cursor: pointer; color: #bdd0df; font: 500 11px/1.5 var(--font-title); }
.legal-copy { margin: 15px 0 0; font-size: 13px; line-height: 1.7; }
.legal-copy a { color: #d3e6f6; }
.petit { grid-column: 1 / -1; margin: 0; color: #7892aa; font-size: 12px; }

@media (min-width: 1600px) {
  .hero__inner { padding-block: 108px 100px; }
}
@media (max-width: 1240px) {
  .header-inner { gap: 22px; }
  .brand { width: 163px; }
  .nav { gap: 16px; }
  .nav a { font-size: 11px; }
  .nav .nav-questionnaire { font-size: 10px; }
  .header-cta { padding-inline: 15px; font-size: 11px; }
  .hero__actions { gap: 10px; }
  .hero__actions .btn { font-size: 11px; padding-inline: 17px; }
  .expertise-lab__grid { gap: 30px 45px; }
  .resource-preview__grid { gap: 14px; }
  .resource-preview__card { padding-inline: 20px; }
}
@media (max-width: 1100px) {
  .header-inner { min-height: 78px; }
  .brand { width: 185px; }
  .menu-toggle { display: grid; gap: 5px; order: 3; width: 40px; padding: 10px; border: 0; color: #d8e8f7; background: transparent; }
  .menu-toggle > span:not(.sr-only) { display: block; width: 20px; height: 1px; background: currentColor; transition: transform .2s, opacity .2s; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; display: none; padding: 22px 48px 30px; background: rgba(4, 21, 44, .99); border-bottom: 1px solid rgba(170, 213, 242, .3); }
  .nav a { display: block; padding: 13px 0; font-size: 13px; }
  .nav .nav-questionnaire { font-size: 12px; }
  body.nav-open .nav { display: block; }
  body.nav-open .menu-toggle > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body.nav-open .menu-toggle > span:nth-child(2) { opacity: 0; }
  body.nav-open .menu-toggle > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hero h1 { font-size: 46px; }
  .hero__copy { font-size: 17px; }
  .hero__inner { gap: 12px; padding-block: 74px 68px; }
  .hero__visual.sculpture { width: calc(100% + 60px); height: 510px; margin-left: -20px; }
  .hero__actions { align-items: flex-start; }
  .hero__actions .btn { min-height: 44px; }
  .section { padding-block: 85px; }
  .section__intro { gap: 17px 45px; }
  .process-card { padding-inline: 23px; }
  .process-card h3 { font-size: 18px; }
  .process-card p { font-size: 16px; }
  .expertise-core { min-height: 390px; }
  .expertise-core__hud { font-size: 8px; }
  .audience { grid-template-columns: 1fr; gap: 30px; }
  .audience .visual-card { max-width: 530px; margin: 0 auto; }
  .audience-card--dark .stat span { max-width: 260px; font-size: 14px; }
  .resource-preview__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .resource-preview__card { padding: 26px; }
  .resource-preview__card > span { margin-bottom: 25px; }
}
@media (max-width: 959px) {
  .condition-grid { grid-template-columns: 1fr; gap: 18px; }
  .condition h3 { min-height: 0; }
}
@media (max-width: 850px) {
  .shell, .header-inner, .footer-inner { width: calc(100% - 56px); }
  .hero__inner { grid-template-columns: 1fr; padding-top: 63px; padding-bottom: 20px; gap: 0; }
  .hero h1 { max-width: 690px; font-size: clamp(39px, 6.4vw, 53px); }
  .hero__copy { max-width: 600px; font-size: 18px; }
  .hero__actions .btn { font-size: 12px; padding-inline: 22px; min-height: 48px; }
  .hero__note { max-width: none; }
  .hero__visual.sculpture { width: min(590px, calc(100% + 40px)); height: 450px; margin: -20px auto 0; }
  .trust__item { gap: 11px; padding: 19px 17px; font-size: 12px; }
  .section__intro { grid-template-columns: 1fr; gap: 17px; max-width: 680px; margin-bottom: 40px; }
  .section__intro > h2 { max-width: 620px; }
  .section__intro > p:last-child { max-width: 620px; font-size: 17px; }
  .section-label { font-size: 10px; }
  .process-grid { gap: 15px; }
  .process-card { padding: 24px 20px 26px; }
  .process-card__num { margin-bottom: 28px; }
  .expertise-lab__grid { grid-template-columns: 1fr; gap: 35px; }
  .expertise-lab__copy { max-width: 680px; }
  .expertise-core { width: min(430px, 100%); min-height: 380px; justify-self: center; }
  .expertise-orbit { width: 70%; }
  .expertise-proof { gap: 20px; font-size: 10px; margin-top: 0; }
  .case-grid { gap: 23px; }
  .case h3 { font-size: 18px; }
  .case p { font-size: 16px; }
  .audience-card { padding: 32px; }
  .audience-card--dark { padding: 0; }
  .stat { padding-inline: 20px; }
  .stat strong { font-size: 34px; }
  .contact > .shell { gap: 37px; }
  .contact__intro { max-width: 620px; }
  .contact__intro > p:last-child { margin-bottom: 0; }
  .footer-inner { gap: 30px; }
  .footer-links { gap: 14px 18px; }
}
@media (max-width: 620px) {
  html { scroll-padding-top: 24px; }
  body { font-size: 17px; }
  .shell, .header-inner, .footer-inner { width: calc(100% - 40px); }
  .header-inner { min-height: 72px; gap: 12px; }
  .brand { width: 163px; }
  .header-cta { display: none; }
  .nav { padding-inline: 25px; }
  .hero__inner { padding-top: 49px; }
  .hero .eyebrow { margin-bottom: 24px; font-size: 10px; }
  .hero h1 { font-size: clamp(31px, 8.1vw, 47px); line-height: 1.12; letter-spacing: -.045em; }
  .hero__copy { margin-top: 24px; font-size: 17px; line-height: 1.6; }
  .hero__actions { gap: 11px; margin-top: 27px; }
  .hero__actions .btn { font-size: 11px; padding-inline: 18px; }
  .hero__note { font-size: 12px; line-height: 1.65; margin-top: 19px; }
  .hero__visual.sculpture { width: calc(100% + 40px); height: 430px; margin: -20px -20px -14px; }
  .trust__inner { grid-template-columns: 1fr; }
  .trust__item, .trust__item:first-child { min-height: 0; padding: 18px 0; font-size: 13px; gap: 20px; }
  .trust__item + .trust__item { border-left: none; border-top: 1px solid rgba(157, 208, 239, .12); }
  .section { padding-block: 67px; }
  h2, .expertise-lab h2 { font-size: 31px; line-height: 1.19; }
  .section__intro { margin-bottom: 31px; }
  .section__intro > p:last-child { font-size: 17px; }
  .process-grid, .case-grid { grid-template-columns: 1fr; }
  .process-card { padding: 27px; }
  .process-card__num { margin-bottom: 22px; }
  .process-card h3 { font-size: 19px; }
  .process-card p { font-size: 17px; }
  .expertise-lab__lead { font-size: 17px; }
  .expertise-lens { padding-inline: 12px; }
  .expertise-core { min-height: 340px; }
  .expertise-core__caption { padding: 20px; }
  .expertise-core__caption p { font-size: 15px; }
  .expertise-proof { flex-direction: column; gap: 15px; font-size: 11px; }
  .case { padding-top: 23px; }
  .case__icon { margin-bottom: 20px; }
  .case h3 { font-size: 20px; }
  .case p { font-size: 17px; margin-bottom: 18px; }
  .case + .case { margin-top: 8px; }
  .audience-card { padding: 27px 23px; border-radius: 15px; }
  .audience-card > h3 { font-size: 21px; }
  .stats { grid-template-columns: 1fr; gap: 21px; margin-block: 25px; padding-block: 22px; }
  .stat, .stat:first-child, .stat:last-child, .audience-card--dark .stat { display: grid; grid-template-columns: 88px minmax(0, 1fr); align-items: start; gap: 16px; padding: 0; }
  .stat + .stat { border: 0; }
  .stat strong, .audience-card--dark .stat strong { font-size: 30px; }
  .stat span, .audience-card--dark .stat span { max-width: none; margin: 0; font-size: 14px; }
  .bullet-list li { font-size: 16px; }
  .download-row { gap: 11px; }
  .download-row .btn { width: 100%; gap: 12px; padding-inline: 14px; }
  .audience-card--dark { padding: 0; }
  .audience { gap: 30px; }
  .audience .visual-card { margin-top: 4px; }
  .conditions { gap: 28px; }
  .condition-grid { gap: 16px; }
  .resource-preview__grid { grid-template-columns: 1fr; gap: 16px; }
  .resource-preview__intro { margin-bottom: 32px; }
  .resource-preview__card { padding: 25px; }
  .resource-preview__card > span { margin-bottom: 20px; }
  .resource-preview__card h3 { font-size: 20px; }
  .resource-preview__card p { font-size: 17px; margin-bottom: 23px; }
  .resource-preview__card > strong { font-size: 12px; }
  .resource-preview__all .btn { width: 100%; }
  .contact-form { grid-template-columns: 1fr; gap: 21px; }
  .contact-form .large, .contact-form .submit { grid-column: auto; }
  .contact-form .submit { justify-self: stretch; }
  .contact-form input, .contact-form textarea { font-size: 17px; }
  .contact__intro > p:last-child { font-size: 17px; }
  footer { padding-top: 43px; }
  .footer-inner { grid-template-columns: 1fr; gap: 27px; }
  .logo-pied { width: 190px; }
  .footer-links { justify-content: flex-start; gap: 15px 21px; }
  .legal { grid-template-columns: 1fr; gap: 17px; padding-top: 6px; }
  .petit { max-width: 330px; font-size: 11px; }
}
@media (max-width: 370px) {
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero h1 { font-size: 30px; }
  .hero__visual.sculpture { height: 360px; }
  h2, .expertise-lab h2 { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}