:root {
  --navy-950: #03101b;
  --navy-900: #061827;
  --navy-800: #0a2438;
  --navy-700: #103d5e;
  --blue-500: #1596cb;
  --cyan-400: #4bd4ee;
  --cyan-200: #a9edfa;
  --gold-400: var(--cyan-200);
  --ink: #071b2a;
  --muted: #61707d;
  --mist: #eef5f7;
  --white: #ffffff;
  --line: rgba(10, 61, 94, .14);
  --shell: min(1180px, calc(100% - 48px));
  --radius: 22px;
  --shadow: 0 30px 80px rgba(1, 18, 31, .18);
  --font: "Poppins", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font-family: var(--font); font-size: 17px; line-height: 1.7; overflow-x: hidden; }
h1, h2, h3, h4 { font-family: var(--font); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
::selection { background: var(--cyan-400); color: var(--navy-950); }

.skip-link { position: fixed; z-index: 999; top: 12px; left: 12px; padding: 10px 16px; background: #fff; color: var(--ink); transform: translateY(-160%); border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }
.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; }
.section-shell { width: var(--shell); margin-inline: auto; }
.section { padding: 120px 0; }

.site-header { position: fixed; z-index: 50; top: 0; left: 0; right: 0; padding: 18px 0; transition: background .3s ease, padding .3s ease, box-shadow .3s ease; }
.site-header.scrolled { padding: 10px 0; background: rgba(255,255,255,.94); box-shadow: 0 8px 40px rgba(1,18,31,.1); backdrop-filter: blur(18px); }
.nav-shell { width: var(--shell); margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { width: 196px; height: 62px; display: flex; align-items: center; overflow: hidden; border-radius: 9px; background: #fff; }
.brand img { width: 100%; height: 100%; object-fit: contain; }
.primary-nav { display: flex; align-items: center; gap: 30px; color: rgba(255,255,255,.78); font-size: .87rem; font-weight: 600; letter-spacing: .02em; }
.primary-nav a { transition: color .2s ease; }
.primary-nav a:hover, .primary-nav a:focus-visible { color: var(--cyan-400); }
.nav-cta { padding: 12px 18px; border: 1px solid rgba(255,255,255,.3); border-radius: 999px; color: #fff !important; }
.nav-cta span { margin-left: 8px; }
.site-header.scrolled .primary-nav { color: var(--ink); }
.site-header.scrolled .nav-cta { background: var(--navy-900); border-color: var(--navy-900); color: #fff !important; }
.site-header.scrolled .brand { height: 54px; }
.menu-toggle { display: none; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.26); background: transparent; border-radius: 50%; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; width: 19px; height: 2px; margin: 4px auto; background: currentColor; transition: transform .25s ease, opacity .25s ease; }

.hero { min-height: 100svh; position: relative; display: flex; align-items: center; color: #fff; background: radial-gradient(circle at 75% 30%, #0f3854 0, transparent 33%), linear-gradient(125deg, #03101b 0%, #061b2c 52%, #08273d 100%); overflow: hidden; }
.hero-grid { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(87,191,224,.16) 1px, transparent 1px), linear-gradient(90deg, rgba(87,191,224,.16) 1px, transparent 1px); background-size: 82px 82px; mask-image: linear-gradient(to right, #000 0%, rgba(0,0,0,.5) 55%, transparent); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(4px); }
.hero-glow-one { width: 380px; height: 380px; right: -140px; top: 12%; background: rgba(21,150,203,.12); border: 1px solid rgba(75,212,238,.22); }
.hero-glow-two { width: 180px; height: 180px; left: 43%; bottom: -100px; background: rgba(75,212,238,.1); }
.hero-shell { position: relative; z-index: 2; display: grid; grid-template-columns: 1.02fr .98fr; gap: 86px; align-items: center; padding-top: 112px; padding-bottom: 82px; }
.eyebrow { margin: 0 0 24px; display: flex; align-items: center; gap: 12px; text-transform: uppercase; letter-spacing: .2em; font-size: .73rem; font-weight: 800; color: var(--cyan-200); }
.eyebrow > span { width: 34px; height: 1px; background: currentColor; }
.eyebrow.dark { color: var(--blue-500); }
.eyebrow.light { color: var(--cyan-400); }
.hero h1, .section h2 { margin: 0; line-height: .99; letter-spacing: -.045em; font-weight: 650; }
.hero h1 { max-width: 680px; font-size: clamp(3.4rem, 6.2vw, 6.4rem); }
.hero h1 em { display: block; color: var(--cyan-400); font-family: Georgia, serif; font-weight: 400; }
.hero-lead { max-width: 640px; margin: 30px 0 0; color: rgba(255,255,255,.7); font-size: clamp(1rem, 1.35vw, 1.16rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.button { min-height: 52px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; border: 0; border-radius: 999px; font-weight: 750; font-size: .88rem; cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--cyan-400); color: var(--navy-950); box-shadow: 0 14px 34px rgba(75,212,238,.16); }
.button-primary:hover { background: #71dff2; box-shadow: 0 18px 40px rgba(75,212,238,.24); }
.button-ghost { border: 1px solid rgba(255,255,255,.25); color: #fff; }
.button-ghost:hover { background: rgba(255,255,255,.07); }
.hero-meta { margin-top: 54px; display: flex; gap: 36px; }
.hero-meta div { display: flex; gap: 10px; align-items: flex-start; }
.hero-meta strong { color: var(--cyan-400); font-size: .69rem; letter-spacing: .12em; }
.hero-meta span { color: rgba(255,255,255,.57); font-size: .75rem; line-height: 1.45; }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.visual-frame { position: relative; z-index: 2; width: min(100%, 550px); aspect-ratio: 1.05; border-radius: 46% 54% 52% 48% / 40% 44% 56% 60%; overflow: hidden; border: 1px solid rgba(126,225,242,.34); box-shadow: 0 36px 90px rgba(0,0,0,.48), inset 0 0 0 8px rgba(255,255,255,.025); }
.visual-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(140deg, rgba(5,22,35,.08), rgba(2,14,24,.38)); }
.visual-frame img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.18); }
.visual-scan { position: absolute; z-index: 3; left: 0; right: 0; height: 1px; top: 20%; background: linear-gradient(90deg, transparent, rgba(91,222,243,.85), transparent); box-shadow: 0 0 18px #4bd4ee; animation: scan 7s ease-in-out infinite; }
@keyframes scan { 0%, 100% { top: 18%; opacity: .2; } 50% { top: 80%; opacity: 1; } }
.orbit { position: absolute; border: 1px solid rgba(81,211,235,.25); border-radius: 50%; }
.orbit::after { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 18px var(--cyan-400); }
.orbit-one { width: 510px; height: 510px; animation: spin 18s linear infinite; }
.orbit-one::after { top: 11%; left: 12%; }
.orbit-two { width: 610px; height: 340px; transform: rotate(-18deg); border-color: rgba(75,212,238,.17); animation: pulse-orbit 8s ease-in-out infinite; }
.orbit-two::after { right: 7%; bottom: 33%; background: var(--gold-400); box-shadow: 0 0 18px var(--gold-400); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-orbit { 50% { opacity: .45; transform: rotate(-12deg) scale(1.04); } }
.floating-label { position: absolute; z-index: 4; padding: 13px 16px; background: rgba(6,24,39,.78); backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,.14); border-radius: 12px; color: #fff; font-size: .74rem; box-shadow: 0 16px 35px rgba(0,0,0,.25); }
.floating-label span { display: block; margin-bottom: 2px; color: var(--cyan-400); text-transform: uppercase; letter-spacing: .13em; font-size: .58rem; }
.label-top { top: 54px; right: -10px; }
.label-bottom { left: -12px; bottom: 52px; }
.water-marker { position: absolute; z-index: 4; right: 6%; bottom: 17%; display: flex; align-items: flex-end; gap: 3px; }
.water-marker span { width: 3px; height: 16px; border-radius: 3px; background: var(--cyan-400); animation: equalize 1.2s ease-in-out infinite alternate; }
.water-marker span:nth-child(2) { height: 28px; animation-delay: .2s; }.water-marker span:nth-child(3) { height: 21px; animation-delay: .4s; }
@keyframes equalize { to { height: 7px; opacity: .5; } }
.scroll-cue { position: absolute; z-index: 3; left: 50%; bottom: 25px; display: flex; align-items: center; gap: 14px; transform: translateX(-50%); color: rgba(255,255,255,.45); font-size: .65rem; text-transform: uppercase; letter-spacing: .15em; }
.scroll-cue i { width: 44px; height: 1px; background: rgba(255,255,255,.35); position: relative; overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; inset: 0; background: var(--cyan-400); animation: scroll-line 2s ease-in-out infinite; }
@keyframes scroll-line { from { transform: translateX(-110%); } to { transform: translateX(110%); } }

.association-strip { padding: 24px 0; border-bottom: 1px solid var(--line); background: #fff; }
.association-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.association-inner > p { margin: 0; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; }
.association-names { display: flex; align-items: center; gap: 24px; color: var(--navy-700); }
.association-names strong { font-size: .82rem; letter-spacing: .12em; white-space: nowrap; }
.association-names span { width: 1px; height: 30px; background: var(--line); }
.association-names img { width: 168px; height: 54px; object-fit: contain; }

.split-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; align-items: start; }
.section h2 { font-size: clamp(2.6rem, 4.6vw, 4.9rem); }
.about { background: linear-gradient(180deg, #fff, #f7fbfc); }
.section-intro h2 { max-width: 560px; }
.about-copy { padding-top: 50px; }
.about-copy > p { margin: 0 0 24px; color: var(--muted); }
.about-copy .lead { color: var(--ink); font-size: 1.3rem; line-height: 1.55; }
.principle-card { margin-top: 46px; padding: 30px; display: grid; grid-template-columns: 74px 1fr; gap: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.8); box-shadow: 0 20px 50px rgba(4,33,51,.06); }
.principle-number { padding-top: 5px; color: var(--blue-500); font-size: .7rem; font-weight: 800; letter-spacing: .14em; }
.principle-card p { margin: 0; font-family: Georgia, serif; font-size: 1.28rem; line-height: 1.5; }

.expertise { position: relative; color: #fff; background: var(--navy-950); }
.expertise::before { content: ""; position: absolute; inset: 0; opacity: .22; background-image: radial-gradient(rgba(75,212,238,.25) 1px, transparent 1px); background-size: 28px 28px; mask-image: linear-gradient(135deg, transparent, #000 50%, transparent); }
.expertise .section-shell { position: relative; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 66px; }
.section-heading > p { max-width: 390px; margin: 0 0 8px; color: rgba(255,255,255,.6); }
.expertise-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); overflow: hidden; }
.expertise-card { min-height: 350px; padding: 30px; position: relative; display: flex; flex-direction: column; justify-content: flex-end; border-right: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.025); transition: background .3s ease, transform .3s ease; }
.expertise-card:last-child { border-right: 0; }
.expertise-card:hover { background: rgba(75,212,238,.08); }
.card-icon { position: absolute; top: 28px; left: 28px; width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid rgba(75,212,238,.24); border-radius: 16px; }
.card-icon svg { width: 29px; fill: none; stroke: var(--cyan-400); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card-index { position: absolute; top: 30px; right: 28px; color: rgba(255,255,255,.34); font-size: .68rem; letter-spacing: .12em; }
.expertise-card h3 { margin: 0 0 13px; font-size: 1.2rem; }
.expertise-card p { margin: 0; color: rgba(255,255,255,.56); font-size: .9rem; }

.innovation { background: #f4f8f9; }
.innovation-header { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 56px; }
.innovation-header > p { max-width: 440px; margin: 0 0 8px; color: var(--muted); font-size: 1.05rem; }
.project-showcase { min-height: 610px; display: grid; grid-template-columns: 1.38fr .62fr; overflow: hidden; border-radius: 28px; background: var(--navy-900); box-shadow: var(--shadow); }
.project-stage { position: relative; min-height: 610px; overflow: hidden; background: var(--navy-900); }
.project-stage img { width: 100%; height: 100%; object-fit: cover; transition: opacity .25s ease, transform .7s ease; }
.project-stage img.switching { opacity: .2; transform: scale(1.03); }
.project-stage-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, transparent 62%, rgba(6,24,39,.62)), linear-gradient(0deg, rgba(3,16,27,.65), transparent 35%); }
.project-caption { position: absolute; bottom: 27px; left: 30px; padding: 9px 13px; border: 1px solid rgba(255,255,255,.17); border-radius: 99px; color: rgba(255,255,255,.75); background: rgba(3,16,27,.55); backdrop-filter: blur(12px); font-size: .7rem; text-transform: uppercase; letter-spacing: .14em; }
.project-panel { padding: 48px 40px; color: #fff; display: flex; flex-direction: column; }
.project-tabs { display: flex; gap: 8px; margin-bottom: 60px; }
.project-tab { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; background: transparent; color: rgba(255,255,255,.55); cursor: pointer; font-size: .72rem; transition: .2s ease; }
.project-tab.active { color: var(--navy-950); background: var(--cyan-400); border-color: var(--cyan-400); }
.project-kicker { margin: 0 0 10px; color: var(--cyan-400); text-transform: uppercase; letter-spacing: .17em; font-size: .68rem; font-weight: 800; }
.project-panel h3 { margin: 0 0 20px; font-size: clamp(1.7rem, 2.5vw, 2.65rem); line-height: 1.08; }
.project-panel > p:not(.project-kicker):not(.project-note) { margin: 0; color: rgba(255,255,255,.64); }
.project-panel ul { padding: 0; margin: 28px 0; list-style: none; }
.project-panel li { position: relative; padding: 10px 0 10px 22px; border-bottom: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.82); font-size: .86rem; }
.project-panel li::before { content: ""; position: absolute; left: 0; top: 18px; width: 7px; height: 7px; border: 1px solid var(--cyan-400); border-radius: 50%; }
.project-note { margin: auto 0 0; color: rgba(255,255,255,.36); font-size: .72rem; line-height: 1.45; }

.prototype { color: #fff; background: linear-gradient(145deg, #071b2a, #0a2c45); }
.prototype-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 90px; align-items: center; }
.prototype-image { position: relative; height: 540px; padding: 22px; border: 1px solid rgba(255,255,255,.12); border-radius: 180px 180px 24px 24px; background: rgba(255,255,255,.025); }
.prototype-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.5) contrast(1.06); border-radius: 160px 160px 16px 16px; opacity: .78; }
.prototype-image::after { content: ""; position: absolute; inset: 22px; border-radius: 160px 160px 16px 16px; background: linear-gradient(180deg, rgba(75,212,238,.06), rgba(3,16,27,.35)); }
.prototype-image span { position: absolute; z-index: 2; left: 40px; bottom: 40px; text-transform: uppercase; letter-spacing: .15em; font-size: .63rem; color: rgba(255,255,255,.65); }
.prototype-copy h2 { max-width: 600px; }
.prototype-copy > p:not(.eyebrow) { max-width: 600px; margin: 30px 0 38px; color: rgba(255,255,255,.63); font-size: 1.08rem; }
.prototype-parts { display: flex; flex-wrap: wrap; gap: 10px; }
.prototype-parts span { padding: 9px 14px; border: 1px solid rgba(75,212,238,.2); border-radius: 99px; color: rgba(255,255,255,.75); font-size: .76rem; }

.approach { background: #fff; }
.approach-heading > p { color: var(--muted); }
.roadmap { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.roadmap-line { position: absolute; top: 32px; left: 7%; right: 7%; height: 1px; background: linear-gradient(90deg, var(--blue-500), var(--cyan-400), var(--gold-400)); }
.roadmap-step { position: relative; }
.roadmap-step > span { position: relative; z-index: 2; width: 64px; height: 64px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--blue-500); font-size: .7rem; font-weight: 800; box-shadow: 0 8px 20px rgba(6,24,39,.08); }
.roadmap-step div { padding: 35px 25px 5px 0; }
.roadmap-step p { margin: 0 0 8px; color: var(--blue-500); text-transform: uppercase; letter-spacing: .16em; font-size: .65rem; font-weight: 800; }
.roadmap-step h3 { margin: 0 0 12px; font-size: 1.15rem; }
.roadmap-step small { color: var(--muted); font-size: .86rem; line-height: 1.5; }

.contact { position: relative; overflow: hidden; color: #fff; background: var(--navy-950); }
.contact::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(75,212,238,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(75,212,238,.18) 1px, transparent 1px); background-size: 64px 64px; }
.contact-orb { position: absolute; width: 520px; height: 520px; left: -240px; top: -200px; border-radius: 50%; border: 1px solid rgba(75,212,238,.22); box-shadow: inset 0 0 120px rgba(21,150,203,.12); }
.contact-grid { position: relative; display: grid; grid-template-columns: .88fr 1.12fr; gap: 100px; align-items: start; }
.contact-copy h2 { max-width: 560px; }
.contact-copy > p:not(.eyebrow) { max-width: 530px; margin: 28px 0; color: rgba(255,255,255,.62); }
.contact-tag { display: inline-flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid rgba(255,255,255,.12); border-radius: 99px; color: rgba(255,255,255,.66); font-size: .72rem; }
.contact-tag span { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 12px var(--cyan-400); }
.contact-form { padding: 38px; border: 1px solid rgba(255,255,255,.13); border-radius: 24px; background: rgba(255,255,255,.055); backdrop-filter: blur(16px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: block; margin-bottom: 18px; color: rgba(255,255,255,.65); font-size: .71rem; text-transform: uppercase; letter-spacing: .09em; }
.contact-form input, .contact-form textarea { width: 100%; margin-top: 8px; padding: 14px 0; border: 0; border-bottom: 1px solid rgba(255,255,255,.19); border-radius: 0; outline: 0; resize: vertical; color: #fff; background: transparent; font-size: .97rem; text-transform: none; letter-spacing: 0; transition: border-color .2s ease; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,.3); }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--cyan-400); }
.contact-form .invalid { border-color: #f28e8e; }
.form-submit { width: 100%; margin-top: 8px; }
.form-status { min-height: 22px; margin: 14px 0 0; color: var(--cyan-200); font-size: .8rem; text-align: center; }

.site-footer { padding: 44px 0; border-top: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.55); background: #020b12; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 60px; align-items: center; }
.footer-brand img { width: 180px; height: 56px; object-fit: contain; border-radius: 8px; background: #fff; }
.footer-brand p, .footer-meta p { margin: 10px 0 0; font-size: .74rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px 24px; font-size: .77rem; }
.footer-links a:hover { color: var(--cyan-400); }
.footer-meta { text-align: right; }

.reveal { opacity: 1; transform: none; transition: opacity .75s cubic-bezier(.2,.75,.25,1), transform .75s cubic-bezier(.2,.75,.25,1); transition-delay: var(--delay, 0ms); }
.reveal-ready .reveal { opacity: 0; transform: translateY(26px); }
.reveal-ready .reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .hero-shell { gap: 34px; }
  .hero-visual { min-height: 450px; }
  .visual-frame { max-width: 430px; }
  .orbit-one { width: 430px; height: 430px; }
  .orbit-two { width: 500px; }
  .primary-nav { gap: 18px; }
  .expertise-grid { grid-template-columns: 1fr 1fr; }
  .expertise-card { min-height: 300px; border-bottom: 1px solid rgba(255,255,255,.12); }
  .expertise-card:nth-child(2) { border-right: 0; }
  .expertise-card:nth-child(3), .expertise-card:nth-child(4) { border-bottom: 0; }
  .project-showcase { grid-template-columns: 1.15fr .85fr; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 760px); }
  .section { padding: 90px 0; }
  .menu-toggle { display: block; color: #fff; }
  .site-header.scrolled .menu-toggle { color: var(--ink); border-color: var(--line); }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .primary-nav { position: absolute; top: calc(100% + 6px); left: 18px; right: 18px; padding: 22px; display: grid; gap: 7px; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; background: rgba(4,18,30,.98); color: #fff; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .22s ease; }
  .primary-nav.open { opacity: 1; visibility: visible; transform: none; }
  .primary-nav a { padding: 9px 6px; }
  .nav-cta { margin-top: 8px; text-align: center; }
  .hero-shell { grid-template-columns: 1fr; padding-top: 150px; padding-bottom: 90px; }
  .hero-copy { max-width: 700px; }
  .hero-visual { min-height: 520px; }
  .visual-frame { max-width: 520px; }
  .orbit-one { width: 500px; height: 500px; }
  .association-inner { align-items: flex-start; }
  .association-names { flex-wrap: wrap; justify-content: flex-end; }
  .split-layout, .prototype-grid, .contact-grid { grid-template-columns: 1fr; gap: 55px; }
  .about-copy { padding-top: 0; }
  .section-heading, .innovation-header { align-items: flex-start; flex-direction: column; gap: 25px; }
  .project-showcase { min-height: 0; grid-template-columns: 1fr; }
  .project-stage { min-height: 460px; }
  .project-stage-overlay { background: linear-gradient(0deg, rgba(3,16,27,.7), transparent 42%); }
  .prototype-image { max-width: 570px; width: 100%; margin-inline: auto; }
  .contact-copy h2 { max-width: 700px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-meta { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 30px); --radius: 17px; }
  .section { padding: 74px 0; }
  .site-header { padding: 12px 0; }
  .brand { width: 152px; height: 52px; }
  .site-header.scrolled .brand { height: 48px; }
  .hero-shell { padding-top: 125px; padding-bottom: 82px; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  .hero-lead { margin-top: 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-meta { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .hero-visual { min-height: 390px; margin-top: 8px; }
  .visual-frame { max-width: 345px; border-radius: 42% 58% 55% 45% / 40% 46% 54% 60%; }
  .orbit-one { width: 360px; height: 360px; }
  .orbit-two { width: 400px; height: 240px; }
  .label-top { top: 15px; right: 0; }.label-bottom { left: 0; bottom: 12px; }
  .scroll-cue { display: none; }
  .association-inner { display: block; }
  .association-names { margin-top: 18px; justify-content: flex-start; gap: 14px; }
  .association-names span { display: none; }
  .association-names img { width: 145px; }
  .association-names strong { font-size: .7rem; }
  .section h2 { font-size: clamp(2.45rem, 12vw, 3.6rem); }
  .about-copy .lead { font-size: 1.15rem; }
  .principle-card { grid-template-columns: 1fr; padding: 24px; gap: 12px; }
  .principle-card p { font-size: 1.1rem; }
  .expertise-grid { grid-template-columns: 1fr; }
  .expertise-card { min-height: 260px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12) !important; }
  .expertise-card:last-child { border-bottom: 0 !important; }
  .project-stage { min-height: 280px; }
  .project-panel { padding: 30px 24px; }
  .project-tabs { margin-bottom: 34px; }
  .prototype-image { height: 440px; padding: 16px; border-radius: 130px 130px 20px 20px; }
  .prototype-image img, .prototype-image::after { border-radius: 115px 115px 13px 13px; }
  .prototype-image::after { inset: 16px; }
  .roadmap { grid-template-columns: 1fr; gap: 8px; }
  .roadmap-line { top: 24px; bottom: 24px; left: 25px; width: 1px; height: auto; background: linear-gradient(var(--blue-500), var(--cyan-400), var(--gold-400)); }
  .roadmap-step { display: grid; grid-template-columns: 52px 1fr; gap: 18px; }
  .roadmap-step > span { width: 52px; height: 52px; }
  .roadmap-step div { padding: 3px 0 30px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 24px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-meta { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .site-header.scrolled .primary-nav { color: #fff; }
}