:root {
  --navy: #071c37;
  --navy-2: #0b305c;
  --blue: #17569b;
  --bright: #2a84c7;
  --pale: #eaf2f9;
  --white: #ffffff;
  --ink: #102b47;
  --muted: #677b90;
  --border: #d9e5ef;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: 'Segoe UI', Inter, 'Helvetica Neue', Arial, sans-serif;
  --ease: cubic-bezier(.19,1,.22,1);
  --header-h: 89px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 20px); }
body { margin: 0; background: #f6f9fd; color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; overflow-x: clip; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid #6cc3ff; outline-offset: 4px; }
img, svg { display: block; }
.container { width: min(100% - 96px, 1320px); margin-inline: auto; }
::selection { background: #9dd5f6; color: #061c37; }
.skip-link { position: fixed; top: -70px; left: 16px; background: #fff; color: #102b47; padding: 12px 20px; z-index: 101; border-radius: 3px; }
.skip-link:focus { top: 12px; }
.scroll-progress { height: 3px; position: fixed; top: 0; left: 0; width: 0; background: linear-gradient(90deg,#76c9fd,#c8e9ff); z-index: 120; pointer-events: none; }
/* HEADER */
.site-header { height: var(--header-h); position: fixed; inset: 0 0 auto; z-index: 100; background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(220,233,244,.7); box-shadow: 0 6px 30px rgba(9,40,72,.04); transition: box-shadow .3s, background .3s; }
.site-header.is-scrolled { background: rgba(255,255,255,.96); box-shadow: 0 13px 35px rgba(9,36,67,.14); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 24px; }
.header-brand { width: 207px; flex: 0 0 207px; border-radius: 5px; overflow: hidden; box-shadow: 0 7px 24px rgba(11,65,120,.12); }
.header-brand img { display: block; width: 100%; height: auto; }
.desktop-nav { display: flex; gap: 34px; align-items: center; margin-left: auto; }
.nav-link { font-size: 13px; letter-spacing: .035em; color: #435c75; position: relative; padding: 12px 0; transition: color .3s; }
.nav-link::after { content: ''; position: absolute; bottom: 4px; left: 0; height: 2px; width: 0; background: var(--blue); transition: width .35s var(--ease); }
.nav-link:hover, .nav-link.active { color: var(--blue); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.header-contact { flex: 0 0 auto; margin-left: 25px; min-height: 44px; padding: 0 19px; display: inline-flex; justify-content: center; align-items: center; gap: 19px; border-radius: 3px; background: #145392; color: #fff; font-size: 13px; font-weight: 600; transition: transform .3s, box-shadow .3s, background .3s; }
.header-contact:hover { background: #0c3b70; box-shadow: 0 12px 21px rgba(14,75,139,.24); transform: translateY(-2px); }
.header-contact svg { width: 17px; height: 17px; }
.menu-toggle, .mobile-nav { display: none; }
/* UTILITIES */
.eyebrow { margin: 0; display: flex; align-items: center; gap: 13px; color: #235d96; text-transform: uppercase; letter-spacing: .24em; font-size: 11px; font-weight: 700; }
.eyebrow-line { display: inline-block; width: 30px; height: 1px; background: currentColor; opacity: .9; }
.eyebrow-light { color: #b6dcf4; }
.button { min-height: 56px; padding: 0 25px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; font-size: 13px; font-weight: 650; letter-spacing: .025em; border: 1px solid transparent; border-radius: 3px; cursor: pointer; transition: transform .35s var(--ease), background .25s, box-shadow .35s var(--ease), border-color .25s; }
.button:hover { transform: translateY(-3px); }
.button svg { width: 19px; height: 19px; flex-shrink: 0; }
.button-primary { color: #0e3d6e; background: #fff; box-shadow: 0 12px 35px rgba(1,17,36,.13); }
.button-primary:hover { background: #dff2ff; box-shadow: 0 18px 38px rgba(1,17,36,.2); }
.button-outline { background: rgba(255,255,255,.045); color: white; border-color: rgba(255,255,255,.25); }
.button-outline:hover { background: rgba(255,255,255,.13); border-color: rgba(255,255,255,.58); }
.section-pad { padding-block: 136px; position: relative; }
.section-topline { display: flex; justify-content: space-between; align-items: center; padding-bottom: 22px; border-bottom: 1px solid #cbd9e5; color: #70849a; font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.section-topline span:last-child { color: #91a2b2; }
.period { color: #4ca2da; }
/* HERO */
.hero { min-height: 850px; min-height: min(100svh, 980px); position: relative; padding-top: calc(var(--header-h) + 44px); color: white; display: flex; flex-direction: column; isolation: isolate; overflow: hidden; background: radial-gradient(ellipse 58% 60% at 81% 56%, #2367a6 0%, rgba(22,79,137,.44) 44%, transparent 75%), linear-gradient(125deg, #061a33 0%, #092b53 44%, #16508f 100%); }
.hero::after { content: ''; position: absolute; z-index: -1; right: -320px; bottom: -350px; width: 900px; height: 900px; border: 1px solid rgba(205,235,255,.13); border-radius: 50%; box-shadow: 0 0 0 105px rgba(177,224,255,.025), 0 0 0 210px rgba(177,224,255,.02); }
.hero-grid-bg { z-index: -1; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.026) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.026) 1px,transparent 1px); background-size: 69px 69px; -webkit-mask-image: linear-gradient(to right,transparent 7%,black 87%); mask-image: linear-gradient(to right,transparent 7%,black 87%); }
.hero-orb { border-radius: 50%; position: absolute; z-index: -1; pointer-events: none; filter: blur(10px); }
.hero-orb-one { width: 400px; height: 400px; background: radial-gradient(circle,rgba(58,152,224,.13),transparent 65%); left: -190px; top: 10%; }
.hero-orb-two { width: 570px; height: 570px; background: radial-gradient(circle,rgba(91,186,246,.09),transparent 65%); right: 0; bottom: -150px; }
.hero-container { display: grid; grid-template-columns: 1.03fr 1fr; gap: 20px; align-items: center; flex: 1; position: relative; padding-bottom: 30px; }
.hero-copy { position: relative; z-index: 3; padding-block: 64px; }
.hero-copy h1 { margin: 24px 0 26px; font-size: clamp(48px,6.65vw,103px); font-weight: 750; letter-spacing: -.067em; line-height: .98; }
.hero-copy h1 > span { display: block; white-space: nowrap; }
.hero-copy h1 em { margin-top: 14px; display: block; font-style: normal; font-size: clamp(35px, 4.4vw, 70px); font-weight: 400; line-height: 1.1; letter-spacing: -.035em; color: #cbeaff; font-family: var(--serif); white-space: nowrap; }
.hero-rule { display: block; width: 76px; height: 2px; margin-bottom: 27px; background: linear-gradient(90deg,#72c6fc,transparent); }
.hero-representative { margin: 0 0 19px; color: #f4f9fe; font-size: clamp(19px,2vw,27px); font-weight: 400; letter-spacing: -.03em; }
.affiliation-chip { display: inline-flex; align-items: center; gap: 9px; margin: 0; color: #c3e0f3; font-size: 13px; letter-spacing: .035em; }
.chip-dot { display: inline-block; height: 7px; width: 7px; background: #76cffc; border-radius: 50%; box-shadow: 0 0 0 5px rgba(118,207,252,.13); margin-right: 4px; }
.hero-actions { margin-top: 43px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { position: relative; min-height: 590px; align-self: center; transform: translateX(28px); }
.architecture-drawing { width: min(120%,750px); height: auto; position: absolute; left: -12%; top: 49%; transform: translateY(-50%); opacity: .75; filter: drop-shadow(0 24px 55px rgba(0,13,29,.08)); }
.art-circle { position: absolute; pointer-events: none; border: 1px solid rgba(170,222,255,.15); border-radius: 50%; }
.art-circle-one { width: 540px; height: 540px; top: 2%; right: -16%; }
.art-circle-two { width: 346px; height: 346px; top: 20%; right: 1%; border-style: dashed; animation: spin 100s linear infinite; }
.hero-logo-card { width: clamp(290px,35vw,530px); position: absolute; z-index: 4; top: 45%; right: 5%; transform: translateY(-30%) rotate(-1.8deg); padding: 18px; border: 1px solid rgba(218,242,255,.48); border-radius: 6px; background: linear-gradient(145deg,rgba(230,246,255,.19),rgba(112,190,240,.08)); box-shadow: 0 30px 80px rgba(0,21,47,.3),inset 0 1px 1px rgba(255,255,255,.18); backdrop-filter: blur(9px); -webkit-backdrop-filter: blur(9px); transition: transform .55s var(--ease), box-shadow .4s; }
.hero-logo-card:hover { transform: translateY(-33%) rotate(0deg); box-shadow: 0 35px 95px rgba(0,18,40,.4); }
.hero-logo-card img { width: 100%; height: auto; border-radius: 3px; border: 1px solid rgba(229,245,255,.36); box-shadow: 0 15px 25px rgba(1,22,46,.24); }
.logo-card-top, .logo-card-bottom { display: flex; align-items: center; gap: 9px; justify-content: space-between; font-size: 9px; font-weight: 650; letter-spacing: .2em; color: #e1f2fc; }
.logo-card-top { margin-bottom: 16px; }
.logo-card-bottom { margin-top: 17px; letter-spacing: .13em; }
.logo-card-dot { width: 7px; height: 7px; background: #c8e9fe; border-radius: 50%; }
.logo-card-top span:nth-child(2) { flex: 1; }
.logo-card-cross, .logo-card-filigree { font-size: 18px; font-weight: 400; }
.art-caption { position: absolute; right: 4%; bottom: 34px; font-size: 9px; letter-spacing: .3em; color: rgba(220,241,255,.6); }
.hero-foot { position: relative; z-index: 5; display: flex; justify-content: space-between; align-items: center; padding-bottom: 35px; color: #a9c8e0; }
.scroll-cue { display: flex; align-items: center; gap: 16px; font-size: 11px; letter-spacing: .08em; }
.scroll-mouse { width: 21px; height: 33px; border: 1px solid rgba(186,223,249,.58); border-radius: 15px; display: flex; justify-content: center; padding-top: 7px; }
.scroll-mouse span { height: 7px; width: 2px; border-radius: 2px; background: #addefc; animation: drop 2s infinite; }
.hero-page-id { font-size: 11px; letter-spacing: .13em; display: flex; align-items: center; gap: 14px; }
.hero-page-id i { display: block; width: 55px; height: 1px; background: #83a7c5; }
/* PRESENTATION */
.presentation-section { background: #f7fafe; overflow: hidden; }
.presentation-layout { display: grid; grid-template-columns: .94fr 1fr; gap: 12%; align-items: center; padding: 72px 0 15px; position: relative; z-index: 1; }
.presentation-heading { padding-bottom: 30px; }
.presentation-heading h2 { font-size: clamp(50px,6vw,89px); font-weight: 650; letter-spacing: -.067em; line-height: 1.03; margin: 27px 0 24px; color: #102e50; }
.presentation-heading h2>span { display: block; font-family: var(--serif); font-size: .81em; letter-spacing: -.04em; font-weight: 400; font-style: italic; color: #1d5e9e; white-space: nowrap; }
.presentation-subtitle { color: #566c83; font-size: 22px; margin: 0 0 32px; }
.text-link { display: inline-flex; align-items: center; gap: 24px; border-bottom: 1px solid #9bbad2; padding-bottom: 9px; font-size: 13px; font-weight: 650; color: #14558d; transition: gap .25s; }
.text-link:hover { gap: 35px; }
.text-link span { font-size: 18px; }
.identity-card { position: relative; background: #fff; padding: 30px; border: 1px solid #d6e4ef; border-radius: 5px; box-shadow: 0 30px 80px rgba(11,47,80,.1),0 5px 20px rgba(11,47,80,.03); }
.identity-card::before { content: ''; position: absolute; z-index: -1; width: 80%; height: 80%; left: 16%; top: 15%; border: 1px solid #cbdceb; border-radius: 5px; transform: translate(18px,18px); }
.identity-card-header { display: flex; justify-content: space-between; color: #507493; font-size: 10px; font-weight: 700; letter-spacing: .17em; margin: 0 0 25px; }
.identity-card-header span:last-child { font-size: 20px; font-weight: 400; }
.identity-logo-wrap { border: 1px solid rgba(17,82,148,.08); border-radius: 2px; overflow: hidden; background: #175496; }
.identity-logo-wrap img { display: block; width: 100%; height: auto; }
.identity-divider { margin: 32px 0 23px; height: 1px; background: #e0e9f0; }
.identity-details { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.detail-label { display: block; color: #768da4; font-size: 10px; letter-spacing: .14em; margin-bottom: 11px; }
.identity-details strong { font-weight: 550; letter-spacing: -.025em; color: #143e68; font-size: 21px; }
.identity-index { color: #d7e7f4; font-size: 28px; font-weight: 750; letter-spacing: -.07em; white-space: nowrap; }
.identity-index span { color: #87b1d2; }
.presentation-deco { position: absolute; left: -3%; bottom: -94px; line-height: 1; font-size: clamp(170px,24vw,360px); font-weight: 750; letter-spacing: -.095em; color: #ecf3f9; pointer-events: none; white-space: nowrap; user-select: none; }
/* AFFILIATION */
.affiliation-section { background: #0a2a51; color: #fff; isolation: isolate; overflow: hidden; padding-bottom: 76px; }
.affiliation-section::before { content: ''; position: absolute; width: 700px; height: 700px; border-radius: 50%; top: -310px; left: -350px; background: radial-gradient(circle,rgba(62,149,218,.15),transparent 70%); z-index: -1; }
.affiliation-section::after { content: ''; position: absolute; right: -150px; bottom: -460px; height: 900px; width: 900px; border-radius: 50%; border: 1px solid rgba(167,213,242,.09); box-shadow: 0 0 0 85px rgba(167,213,242,.025),0 0 0 170px rgba(167,213,242,.022); z-index: -1; }
.affiliation-grid { position: absolute; z-index: -1; inset: 0; background-image: radial-gradient(rgba(198,230,253,.09) 1px,transparent 1px); background-size: 29px 29px; mask-image: linear-gradient(90deg,black,transparent 90%); }
.affiliation-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 12%; }
.affiliation-graphic { width: min(100%,480px); aspect-ratio: 1/1; border: 1px solid rgba(216,239,252,.17); border-radius: 50%; position: relative; display: grid; place-items: center; margin: auto; background: radial-gradient(circle,rgba(48,122,186,.26),transparent 68%); }
.affiliation-graphic::before,.affiliation-graphic::after { content: ''; height: 1px; position: absolute; left: -8%; right: -8%; background: rgba(176,222,250,.1); }
.affiliation-graphic::before { transform: rotate(45deg); }.affiliation-graphic::after { transform: rotate(-45deg); }
.network-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(166,217,248,.22); }
.ring-outer { inset: 8%; border-style: dashed; animation: spin 100s linear infinite; }
.ring-middle { inset: 21%; }.ring-inner { inset: 35%; border-color: rgba(166,217,248,.35); }
.network-node { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: #9bdcff; box-shadow: 0 0 0 8px rgba(139,207,252,.08),0 0 25px rgba(139,207,252,.5); }
.node-one { top: 12%; left: 31%; }.node-two { top: 39%; right: 5%; }.node-three { bottom: 8%; left: 42%; }.node-four { left: 10%; bottom: 29%; }
.network-center { position: relative; z-index: 2; display: grid; gap: 9px; text-align: center; background: #123c6b; border: 1px solid rgba(197,234,255,.33); padding: 24px 27px; box-shadow: 0 20px 54px rgba(0,13,33,.35); }
.network-center span:first-child { font-size: clamp(18px,2.5vw,31px); font-weight: 750; letter-spacing: -.045em; }
.network-center span:last-child { font-size: 12px; font-weight: 550; letter-spacing: .17em; }
.network-mark { position: absolute; font-size: 25px; color: rgba(203,232,253,.53); }.network-mark.top-left { top: 1%; left: 5%; }.network-mark.bottom-right { bottom: 3%; right: 0; }
.affiliation-copy h2 { margin: 29px 0 31px; font-size: clamp(54px,6.2vw,91px); line-height: 1.04; font-weight: 450; letter-spacing: -.065em; }
.affiliation-copy h2 span:not(.period) { display: block; font-weight: 750; letter-spacing: -.064em; color: #b7def8; }
.affiliation-separator { width: 72px; height: 2px; background: #5aa4d8; margin: 32px 0; }
.affiliation-name { margin: 0 0 17px; font-size: 22px; color: #fff; }
.affiliation-label { color: #9fbbd4; font-size: 11px; font-weight: 650; letter-spacing: .2em; }
.affiliation-bottom { display: flex; justify-content: space-between; border-top: 1px solid rgba(197,226,246,.18); padding-top: 26px; margin-top: 105px; font-size: 10px; letter-spacing: .2em; color: #92bad8; }
/* CONTACT */
.contact-section { isolation: isolate; background: #eef5fb; overflow: hidden; }
.contact-background-ring { position: absolute; z-index: -1; left: -380px; bottom: -430px; width: 920px; height: 920px; border-radius: 50%; border: 1px solid #dceaf5; box-shadow: 0 0 0 110px rgba(165,204,230,.06),0 0 0 230px rgba(165,204,230,.04); }
.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 11%; align-items: center; padding-top: 82px; }
.contact-copy h2 { margin: 25px 0 34px; font-size: clamp(59px,7vw,103px); line-height: .99; letter-spacing: -.071em; font-weight: 650; color: #102f51; }
.contact-copy h2 > span { display: block; font-family: var(--serif); font-style: italic; font-size: .87em; font-weight: 400; letter-spacing: -.055em; color: #175b99; }
.contact-subtext { font-size: 18px; line-height: 1.95; color: #6d8399; margin: 0; }
.contact-card { border: 1px solid #d6e5f0; border-radius: 5px; background: white; box-shadow: 0 28px 75px rgba(11,51,87,.09); padding: clamp(25px,3.5vw,51px); min-width: 0; position: relative; }
.contact-card::after { content: ''; position: absolute; pointer-events: none; inset: 9px; border: 1px solid #edf3f7; border-radius: 2px; }
.contact-card-top { display: flex; justify-content: space-between; align-items: flex-start; font-size: 10px; font-weight: 700; letter-spacing: .18em; color: #507799; position: relative; z-index: 1; }
.card-top-asterisk { font-size: 25px; line-height: 1; font-weight: 400; }
.envelope-icon { width: 70px; height: 70px; border-radius: 50%; display: grid; place-items: center; background: #e9f3fb; color: #145b99; margin: 47px 0 25px; }
.envelope-icon svg { width: 39px; height: 39px; }
.contact-card-label { color: #6a839b; font-size: 14px; margin: 0 0 7px; }
.contact-email { display: inline-block; font-size: clamp(20px,2.25vw,30px); font-weight: 650; color: #103e6d; letter-spacing: -.04em; line-height: 1.45; overflow-wrap: anywhere; position: relative; z-index: 2; }
.contact-email:hover { color: #257bb9; }
.contact-buttons { display: flex; flex-wrap: wrap; align-items: stretch; gap: 11px; margin-top: 35px; position: relative; z-index: 2; }
.contact-send { background: #165493; color: #fff; flex: 1 1 180px; justify-content: space-between; }
.contact-send:hover { background: #0e3869; }
.copy-button { border: 1px solid #d1e1ed; border-radius: 3px; background: #f4f8fc; color: #204e78; min-height: 56px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 17px; font-size: 12px; font-weight: 650; cursor: pointer; transition: border-color .25s, background .25s; }
.copy-button:hover { background: #e4f1fa; border-color: #87b5d7; }
.copy-button svg { width: 18px; height: 18px; }
.contact-card-foot { display: flex; justify-content: space-between; color: #a2b4c5; margin-top: 38px; padding-top: 23px; border-top: 1px solid #e5eef5; font-size: 10px; font-weight: 700; letter-spacing: .13em; }
.contact-card-foot span:last-child { font-size: 17px; line-height: 1; }
/* FOOTER */
.site-footer { background: #061c37; color: #e3effa; padding: 64px 0 24px; }
.footer-main { display: grid; grid-template-columns: 1.15fr .8fr 1fr; gap: 60px; align-items: start; padding-bottom: 71px; }
.footer-logo { display: block; width: min(100%,290px); overflow: hidden; border: 1px solid rgba(255,255,255,.1); border-radius: 3px; }
.footer-logo img { width: 100%; height: auto; }
.footer-info>span { display: block; font-size: 10px; font-weight: 700; color: #92bad8; letter-spacing: .2em; margin-bottom: 16px; }
.footer-info p, .footer-info a { display: block; margin: 0 0 10px; color: #f4f9fe; font-size: 16px; font-weight: 500; overflow-wrap: anywhere; }
.footer-info small { font-size: 13px; color: #a9c5da; }
.footer-info a:hover { color: #94d5fd; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding-top: 24px; border-top: 1px solid rgba(202,233,251,.17); color: #91b1cc; font-size: 10px; font-weight: 650; letter-spacing: .17em; }
.footer-bottom a { display: inline-flex; align-items: center; gap: 12px; transition: color .2s; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom a span { font-size: 15px; }
.toast { position: fixed; z-index: 200; left: 50%; bottom: 30px; transform: translate(-50%,40px); padding: 13px 22px; background: #082c53; color: white; font-size: 13px; border: 1px solid rgba(255,255,255,.25); border-radius: 3px; box-shadow: 0 15px 45px rgba(0,16,37,.25); opacity: 0; visibility: hidden; transition: opacity .3s, transform .3s, visibility .3s; text-align: center; max-width: calc(100vw - 32px); }
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%,0); }
/* PROGRESSIVE ENHANCEMENT: content is always visible, even if JS is blocked */
.reveal.in-view { animation: revealEnter .95s var(--ease) both; }
@keyframes revealEnter { from { opacity: .48; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes drop { 0%,100% { transform: translateY(0); opacity: .9; } 65% { transform: translateY(8px); opacity: .2; } }
/* MEDIUM */
@media (max-width: 1190px) {
 .container { width: min(100% - 64px, 1320px); }
 .desktop-nav { gap: 22px; }
 .header-contact { margin-left: 2px; }
 .header-brand { width: 174px; flex-basis: 174px; }
 .hero-copy h1 { font-size: clamp(44px,6.2vw,78px); }
 .hero-copy h1 em { font-size: clamp(32px,4vw,53px); }
 .hero-art { transform: translateX(8px); }
 .hero-logo-card { right: 1%; }
 .presentation-layout { gap: 6%; }
 .affiliation-layout { gap: 7%; }
 .contact-layout { gap: 6%; }
}
@media (max-width: 920px) {
 :root { --header-h: 76px; }
 .desktop-nav, .header-contact { display: none; }
 .header-brand { flex-basis: 168px; width: 168px; }
 .menu-toggle { margin-left: auto; display: flex; flex-direction: column; gap: 6px; justify-content: center; align-items: center; height: 44px; width: 48px; padding: 0; color: #134d84; background: #ecf4fa; border: 1px solid #d7e6f0; border-radius: 3px; cursor: pointer; }
 .menu-toggle span { width: 21px; height: 2px; border-radius: 1px; background: currentColor; transform-origin: center; transition: transform .3s, opacity .2s; }
 .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
 .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
 .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
 .mobile-nav { display: grid; position: absolute; top: 100%; left: 0; right: 0; padding: 12px max(32px,calc((100vw - 1320px)/2)) 25px; background: #fff; border-top: 1px solid #e2edf4; box-shadow: 0 22px 36px rgba(6,32,57,.12); opacity: 0; visibility: hidden; transform: translateY(-12px); pointer-events: none; transition: opacity .25s, visibility .25s, transform .25s; }
 .mobile-nav.open { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; transition: opacity .25s, transform .25s, visibility 0s; }
 .mobile-nav a { border-bottom: 1px solid #e7eff5; padding: 18px 2px; color: #133e68; font-size: 16px; display: flex; justify-content: space-between; }
 .mobile-nav a span { font-size: 11px; letter-spacing: .1em; color: #91a9bf; }
 .mobile-nav .mobile-email { margin-top: 16px; justify-content: center; gap: 20px; border-bottom: 0; padding: 17px; background: #165493; color: white; border-radius: 2px; font-size: 14px; }
 .mobile-nav .mobile-email span { color: #fff; font-size: 17px; }
 .hero { min-height: auto; padding-top: calc(var(--header-h) + 45px); }
 .hero-container { grid-template-columns: 1fr 1fr; gap: 0; padding-bottom: 52px; }
 .hero-copy { padding-block: 45px; }
 .hero-copy h1 { font-size: clamp(39px,5.7vw,59px); }
 .hero-copy h1 em { font-size: clamp(29px,4vw,40px); }
 .hero-art { min-height: 500px; }
 .hero-logo-card { width: min(100%,410px); right: -4%; top: 48%; }
 .architecture-drawing { width: 145%; max-width: none; left: -18%; }
 .section-pad { padding-block: 102px; }
 .presentation-layout { gap: 6%; }
 .presentation-heading h2 { font-size: clamp(41px,5.5vw,63px); }
 .presentation-subtitle { font-size: 19px; }
 .identity-card { padding: 22px; }
 .identity-details strong { font-size: 17px; }
 .network-center { padding: 17px; }
 .contact-copy h2 { font-size: 7vw; }
 .contact-email { font-size: 22px; }
 .contact-buttons { margin-top: 24px; }
 .footer-main { gap: 32px; }
}
@media (max-width: 680px) {
 :root { --header-h: 71px; }
 .container { width: min(100% - 38px, 540px); }
 .header-brand { width: 157px; flex-basis: 157px; }
 .mobile-nav { padding-inline: 19px; }
 .hero { padding-top: calc(var(--header-h) + 47px); min-height: auto; }
 .hero-container { display: flex; flex-direction: column; gap: 5px; padding-bottom: 24px; }
 .hero-copy { width: 100%; padding: 20px 0 0; }
 .hero-copy h1 { margin-top: 21px; font-size: clamp(43px,10.1vw,71px); }
 .hero-copy h1 em { margin-top: 9px; font-size: clamp(32px,7.5vw,52px); }
 .hero-representative { font-size: 21px; }
 .hero-actions { margin-top: 32px; gap: 10px; }
 .hero-actions .button { min-height: 54px; padding-inline: 17px; gap: 10px; }
 .hero-art { width: 100%; min-height: 385px; transform: none; align-self: stretch; margin-top: -4px; }
 .architecture-drawing { width: min(126%,640px); left: 2%; top: 46%; }
 .art-circle-one { width: 380px; height: 380px; right: -20%; }.art-circle-two { width: 260px; height: 260px; right: -1%; }
 .hero-logo-card { width: min(83%,390px); right: 6%; top: 37%; transform: translateY(-22%) rotate(-1.8deg); padding: 12px; }
 .hero-logo-card:hover { transform: translateY(-22%) rotate(-1.8deg); }
 .logo-card-top { margin-bottom: 10px; font-size: 7px; }
 .logo-card-bottom { margin-top: 12px; font-size: 8px; }
 .art-caption { bottom: 9px; right: 0; font-size: 7px; }
 .hero-foot { padding-bottom: 26px; }
 .scroll-cue { font-size: 10px; }
 .hero-page-id { font-size: 10px; gap: 8px; }
 .hero-page-id i { width: 30px; }
 .section-pad { padding-block: 83px; }
 .section-topline { padding-bottom: 15px; font-size: 9px; letter-spacing: .1em; gap: 16px; }
 .section-topline span:last-child { text-align: right; }
 .presentation-layout, .affiliation-layout, .contact-layout { display: grid; grid-template-columns: 1fr; gap: 45px; }
 .presentation-layout { padding-top: 46px; gap: 32px; }
 .presentation-heading { padding-bottom: 0; }
 .presentation-heading h2 { font-size: clamp(52px,11.5vw,74px); margin-block: 23px 19px; }
 .presentation-subtitle { font-size: 19px; margin-bottom: 24px; }
 .identity-card { max-width: 540px; }
 .presentation-deco { font-size: 170px; bottom: -35px; }
 .affiliation-section { padding-bottom: 56px; }
 .affiliation-graphic { width: min(80%,360px); order: 2; margin: 0 auto; }
 .affiliation-copy { order: 1; }
 .affiliation-copy h2 { font-size: clamp(58px,12vw,83px); margin: 21px 0 18px; }
 .affiliation-name { font-size: 20px; }
 .affiliation-bottom { margin-top: 62px; }
 .contact-layout { padding-top: 46px; gap: 39px; }
 .contact-copy h2 { font-size: clamp(60px,12vw,82px); margin: 23px 0 20px; }
 .contact-subtext { font-size: 16px; line-height: 1.65; }
 .contact-card { padding: 27px; }
 .envelope-icon { margin: 32px 0 20px; width: 60px; height: 60px; }
 .contact-email { font-size: clamp(19px,5vw,26px); }
 .footer-main { grid-template-columns: 1fr 1fr; gap: 40px 25px; padding-bottom: 50px; }
 .footer-logo { grid-column: 1 / -1; width: 255px; }
 .footer-info p, .footer-info a { font-size: 14px; }
 .footer-bottom { font-size: 9px; }
}
@media (max-width: 390px) {
 .container { width: calc(100% - 30px); }
 .header-brand { width: 150px; flex-basis: 150px; }
 .hero-copy h1 { font-size: clamp(37px,10.3vw,48px); }
 .hero-copy h1 em { font-size: clamp(29px,8vw,38px); }
 .hero-actions { flex-direction: column; align-items: stretch; }
 .hero-art { min-height: 335px; }
 .hero-logo-card { width: 87%; }
 .presentation-heading h2 { font-size: 48px; }
 .presentation-heading h2>span { white-space: normal; }
 .contact-copy h2 { font-size: 56px; }
 .contact-card { padding: 20px; }
 .contact-buttons { flex-direction: column; }
 .footer-main { grid-template-columns: 1fr; gap: 30px; }
 .footer-logo { grid-column: 1; }
 .footer-bottom { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
 *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}