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p{font-size:14px;color:var(--muted);line-height:1.9;margin-top:17px}.about-logo{display:block;width:100%;max-width:350px;height:auto;mix-blend-mode:multiply;margin:auto}.development-note{text-align:center;padding:70px 0;border-top:1px solid var(--line)}.development-note .eyebrow{justify-content:center}.development-note h2{margin:25px 0}.development-note p{max-width:580px;margin:auto;color:var(--muted)}.ambient{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.07;overflow:hidden}.ambient svg{width:100%;height:100%;stroke:#697751;stroke-width:.8;fill:none}.ambient-circle{transform-origin:1310px 300px;animation:orbit 100s linear infinite}.ambient-triangle{animation:drift 32s ease-in-out infinite alternate}.motion-paused *,.page-hidden *{animation-play-state:paused!important}.skip{position:fixed;top:-100px;left:15px;z-index:20;background:var(--ink);color:var(--paper);padding:12px}.skip:focus{top:10px}@keyframes orbit{to{transform:rotate(360deg)}}@keyframes drift{to{transform:translate(30px,-45px)}}@keyframes orbit-a{to{transform:rotate(8deg) scale(1.3,.55)}}@keyframes orbit-b{to{transform:rotate(78deg) scale(1.2,.5)}}
@media(min-width:1550px){.hero{min-height:810px}.hero h1{font-size:114px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header nav{gap:18px;font-size:11px}.nav-cta{font-size:10px}.hero{min-height:680px;gap:15px}.hero h1{font-size:86px}.hero-actions{gap:18px}.hero-actions .button{padding:14px 17px;gap:20px}.hero-actions .text-link{gap:15px}.product-card{padding:25px}.product-card h3{font-size:40px}.state-flow{gap:16px}.state-flow small{font-size:6px}.workflow-grid{gap:35px}.page-hero{gap:35px}.page-hero h1{font-size:67px}h2{font-size:55px}.footer-top{gap:25px}.faq{gap:55px}}
@media(max-width:800px){.header{gap:18px}.header nav{display:none;position:absolute;top:104px;left:-32px;right:-32px;background:var(--paper);padding:25px 32px;border-bottom:1px solid var(--line);z-index:8}.header nav.open{display:flex;flex-direction:column}.menu-toggle{display:block;border:0;background:none;font-size:23px;color:var(--ink);padding:5px}.nav-cta{margin-left:auto}.hero h1{font-size:70px}.hero-copy>p{font-size:13px}.hero-actions{align-items:start;flex-direction:column;gap:14px}.hero-caption{font-size:6px}.intro{gap:35px;grid-template-columns:1fr 2fr}.product-grid{gap:20px}.product-card{padding:20px}.product-card h3{font-size:36px}.state-diagram{padding:13px}.state-flow{gap:11px}.state-flow small{font-size:6px;max-width:85px;text-align:center}.state-flow strong{font-size:22px}.diagram-head{font-size:6px}.product-card>.text-link{font-size:10px;gap:14px}.ring{width:185px;height:185px}.ring-c{width:225px;height:225px}.principle-grid{gap:30px}.principle-grid h3{font-size:26px}.page-hero h1{font-size:58px}.security-seal{width:240px;height:240px}.page-art .orbital-seal{height:290px}.mission-head{flex-wrap:wrap}}
@media(max-width:600px){.wrap{width:calc(100% - 40px)}.announcement{font-size:6px;letter-spacing:.7px}.announcement-sep{padding:0 8px}.header{height:85px}.header nav{top:84px;left:-20px;right:-20px;padding:25px 20px}.brand>span{font-size:25px}.brand svg{width:28px}.brand small{font-size:6px;letter-spacing:3.8px}.nav-cta{font-size:9px}.nav-cta span{margin-left:10px}.hero{grid-template-columns:1fr;padding:40px 0 35px;gap:35px}.hero h1{font-size:clamp(62px,14vw,82px);letter-spacing:-2px}.hero .eyebrow{font-size:7px;letter-spacing:1px}.hero-copy>p{font-size:14px}.hero-actions{flex-direction:row;align-items:center;gap:20px;margin-bottom:25px}.hero-actions .text-link{font-size:10px;gap:10px}.hero-caption{font-size:6px}.hero-visual{max-width:440px;margin:auto;width:100%}.hero-image-wrap{margin-top:8px}.greek-key{height:17px;background-size:40px 17px}.intro{grid-template-columns:1fr;gap:24px;padding:60px 0}.eyebrow{font-size:8px;letter-spacing:1.3px}h2{font-size:49px}.intro p{font-size:14px}.products{padding:60px 0}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:22px;font-size:13px}.section-heading>.text-link{margin-top:25px}.product-grid{grid-template-columns:1fr;gap:22px}.product-card{padding:24px}.product-card h3{font-size:43px}.product-card>p{min-height:0}.state-diagram{padding:18px}.state-flow{gap:25px}.state-flow strong{font-size:25px}.state-flow small{font-size:7px;max-width:none}.diagram-head{font-size:7px}.orbital-seal{height:300px}.ring{width:215px;height:215px}.ring-c{width:250px;height:250px}.workflow{padding:10px 0 60px}.workflow-grid{grid-template-columns:1fr;gap:25px}.steps button{padding:16px 12px}.mission{position:static}#mission-content{padding:22px;min-height:310px}#mission-content h3{font-size:31px}.mission-row{font-size:10px}.principles-band{padding:55px 0}.principle-grid{grid-template-columns:1fr;gap:30px;margin-top:30px}.principle-grid article{border-top:1px solid #bcc6aa;padding-top:20px;display:grid;grid-template-columns:32px 1fr;gap:0 10px}.principle-grid h3{margin:0 0 10px}.principle-grid p{grid-column:2;font-size:13px}.faq{grid-template-columns:1fr;gap:22px;padding:60px 0}.faq summary{font-size:13px;padding:20px 0}.closing{padding:55px 0 65px}.closing h2{font-size:72px}.closing p{font-size:7px}.footer{padding-top:40px}.footer-top{grid-template-columns:1fr 1fr;gap:35px 20px;padding-bottom:35px}.footer-top .eyebrow{font-size:7px}.footer-top>div>a:not(.brand){font-size:10px}.footer-bottom{flex-wrap:wrap;font-size:7px;gap:16px}.footer-bottom>span:nth-child(2){order:3;width:100%}.motion-toggle{margin-left:auto;font-size:8px}.page-hero{grid-template-columns:1fr;padding:50px 0;gap:35px}.page-hero h1{font-size:clamp(49px,11.8vw,67px);letter-spacing:-1.3px}.page-hero p{font-size:14px}.page-art .state-diagram{max-width:430px;margin:auto}.page-art .orbital-seal{height:310px}.page-art .about-logo{max-width:240px}.detail-section{padding:55px 0}.detail-grid{grid-template-columns:1fr;gap:30px}.detail h3{font-size:32px}.detail p{font-size:13px}.mandate-table{grid-template-columns:1fr;gap:25px}.mandate-table strong{font-size:31px}.security-content{padding:20px 0 55px}.security-content article{grid-template-columns:30px 1fr;gap:12px;padding:30px 0}.security-content h2{font-size:37px}.security-content p{font-size:13px}.development-note{padding:50px 0}.ambient{opacity:.045}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media(max-width:600px){.hero h1{font-size:clamp(49px,12vw,70px)}.hero-actions{flex-wrap:wrap}.state-flow{gap:16px}.state-flow small{max-width:105px;text-align:center}.mission-head{flex-wrap:wrap}}
/* Lighter homepage centerpiece: crisp geometry, no oversized scenic image. */
.refined-visual{width:min(100%,430px);justify-self:center;padding-inline:10px}.tetra-study{display:block;width:100%;height:auto;margin:12px 0}.study-orbit{transform-origin:250px 230px;animation:orbit 95s linear infinite}.refined-visual .visual-meta{font-size:7px;letter-spacing:1px}.hero:has(.refined-visual){min-height:690px;grid-template-columns:1.13fr 1fr;gap:40px;padding-block:55px}
@media(max-width:800px){.hero:has(.refined-visual){gap:20px}.refined-visual{padding-inline:0}}
@media(max-width:600px){.hero:has(.refined-visual){grid-template-columns:1fr;min-height:0;padding-block:40px;gap:32px}.refined-visual{width:min(100%,310px)}.refined-visual .visual-meta{font-size:6px}.tetra-study{margin:5px 0}}
/* Approved homepage narrative. */
.narrative-hero h1{font-size:clamp(64px,6.15vw,92px);line-height:1.03;letter-spacing:-2px}.narrative-hero>p{max-width:475px;font-size:14px;line-height:1.85}.narrative-hero>p.narrative-lead{color:var(--ink);font-size:16px;margin-bottom:14px}.narrative-hero .hero-actions{gap:22px;flex-wrap:wrap}.narrative-products{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);padding:42px 0 48px;gap:65px}.narrative-products article+article{border-left:1px solid var(--line);padding-left:45px}.narrative-products h2{font-size:36px;letter-spacing:-.4px;line-height:1.12;margin:19px 0 15px}.narrative-products p{font-size:13px;line-height:1.9;color:var(--muted);max-width:440px}.narrative-products .eyebrow{font-size:8px;letter-spacing:1px}
@media(max-width:800px){.narrative-hero h1{font-size:56px;letter-spacing:-1.5px}.narrative-products{gap:30px}.narrative-products article+article{padding-left:30px}.narrative-products h2{font-size:31px}}
@media(max-width:600px){.hero .narrative-hero h1{font-size:clamp(44px,10.5vw,63px);letter-spacing:-1px}.narrative-hero>p.narrative-lead{font-size:15px}.narrative-hero .hero-actions{gap:17px}.narrative-hero .hero-actions .text-link{font-size:10px}.narrative-products{grid-template-columns:1fr;gap:28px;padding:30px 0 36px}.narrative-products article+article{border-left:0;border-top:1px solid var(--line);padding:28px 0 0}.narrative-products h2{font-size:36px}}
/* Institutional content hierarchy. */
.institutional-home h1{font-size:clamp(58px,5.5vw,82px);letter-spacing:-1.8px}.institutional-home .hero-caption{font-size:6px;letter-spacing:.8px}.institutional-hero{grid-template-columns:1.6fr .7fr}.institutional-hero h1{font-size:clamp(48px,5.3vw,76px)}.institutional-hero>.text-link,.institutional-hero>div>.text-link{margin-top:25px}.institutional-emblem{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:25px;aspect-ratio:1;border:1px solid var(--line);border-radius:50%;padding:35px}.institutional-emblem svg{width:100px;height:100px;color:var(--olive)}.institutional-emblem span{font:7px/1.8 var(--mono);text-align:center;letter-spacing:1px}.institutional-product h3{font-size:40px}.institutional-product>p{min-height:0}.institutional-product .product-lead{font-weight:500;color:var(--ink);margin-bottom:18px}.finance-card .product-lead{color:var(--paper)}.institutional-product ul{font-size:12px;padding-left:18px;margin:25px 0;line-height:2;color:var(--muted)}.finance-card ul{color:#bcc7b0}.architecture-list{list-style:none;counter-reset:sequence;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:25px}.architecture-list li{counter-increment:sequence;border-top:1px solid var(--line);padding-top:20px}.architecture-list li::before{content:'0' counter(sequence);font:10px var(--mono);color:var(--rust)}.architecture-list h3{font:29px var(--serif);margin:15px 0 12px}.architecture-list p{font-size:12px;color:var(--muted);line-height:1.9}.detail-section>.text-link{margin-top:25px}.principles-band .detail-grid{margin-top:35px}.note-links{display:flex;justify-content:center;gap:30px;flex-wrap:wrap;margin-top:30px}.footer{border-top:1px solid var(--line)}
@media(max-width:1000px){.architecture-list{grid-template-columns:repeat(3,1fr)}.institutional-hero{grid-template-columns:1.5fr .7fr}.institutional-home h1{font-size:62px}}
@media(max-width:600px){.institutional-hero{grid-template-columns:1fr}.institutional-emblem{display:none}.hero .institutional-home h1{font-size:clamp(43px,10vw,58px)}.institutional-hero h1{font-size:clamp(44px,10vw,60px)}.institutional-home .hero-caption{line-height:1.8;letter-spacing:.5px}.architecture-list{grid-template-columns:1fr}.architecture-list li{display:grid;grid-template-columns:30px 1fr;gap:0 10px}.architecture-list h3{margin:0 0 12px}.architecture-list p{grid-column:2}.institutional-product h3{font-size:36px}.note-links{gap:20px}}

/* Approved Tetra Systems brand mark. */
.brand{gap:10px}
.brand .brand-symbol{display:flex;align-items:center;justify-content:center;width:48px;height:48px;flex:0 0 48px;overflow:hidden}
.brand .brand-mark{display:block;width:74px;height:74px;max-width:none;flex-shrink:0;object-fit:contain}
.brand .brand-wordmark{font-size:24px;line-height:1;letter-spacing:2px}
.brand .brand-wordmark small{font-size:7px;letter-spacing:3px;margin-top:6px}
.institutional-emblem .emblem-mark{display:block;width:180px;height:180px;object-fit:contain;border-radius:4px}
@media(max-width:600px){.brand{gap:8px}.brand .brand-symbol{width:40px;height:40px;flex-basis:40px}.brand .brand-mark{width:62px;height:62px}.brand .brand-wordmark{font-size:21px;letter-spacing:1.5px}.brand .brand-wordmark small{font-size:6px;letter-spacing:2.5px;margin-top:5px}}

/* Restrained interactions complement progressive scroll entrances. */
@media (prefers-reduced-motion:no-preference) and (hover:hover){
  .product-card,.detail-grid .detail{transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s ease}
  .product-card:hover{transform:translateY(-5px);box-shadow:0 16px 32px -24px rgba(48,56,44,.3)}
  .detail-grid .detail:hover{transform:translateY(-3px)}
  .button span,.text-link span,.nav-cta span{display:inline-block;transition:transform .25s ease}
  .button:hover span,.text-link:hover span,.nav-cta:hover span{transform:translate(3px,-2px)}
  .header nav a{position:relative}
  .header nav a::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
  .header nav a:hover::after,.header nav a:focus-visible::after{transform:scaleX(1)}
}
.motion-paused *,.motion-paused *::before,.motion-paused *::after,.page-hidden *{transition:none!important}
.motion-paused .product-card:hover,.motion-paused .detail-grid .detail:hover,.motion-paused .button:hover,.motion-paused .button:hover span,.motion-paused .text-link:hover span,.motion-paused .nav-cta:hover span{transform:none}
html:has(.motion-paused){scroll-behavior:auto}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important}.button:hover{transform:none}}

/* Greek architectural accents: meander friezes, fluting and palmettes. */
.greek-key{height:25px;background-image:url('assets/greek-meander.svg');background-size:48px 24px;opacity:.7;border-color:rgba(98,111,81,.2)}
.refined-visual{position:relative;isolation:isolate;padding:26px 18px 20px}
.refined-visual::before{content:'';position:absolute;inset:45px 4px 10px;border:1px solid rgba(98,111,81,.23);border-radius:48% 48% 2px 2px;background:linear-gradient(180deg,rgba(255,255,255,.28),rgba(218,213,194,.13));z-index:-1;pointer-events:none}
.refined-visual::after{content:'';position:absolute;bottom:0;left:16px;right:16px;height:9px;border-top:1px solid var(--line);border-bottom:3px double var(--line);pointer-events:none}
.institutional-emblem{border-radius:48% 48% 2px 2px;border:1px solid rgba(98,111,81,.3);border-bottom:4px double rgba(98,111,81,.3);background:linear-gradient(180deg,rgba(255,255,255,.35),rgba(218,213,194,.16));position:relative}
.institutional-emblem::after{content:'';position:absolute;left:12px;right:12px;bottom:10px;height:13px;background:repeating-linear-gradient(90deg,transparent 0 5px,rgba(98,111,81,.16) 5px 6px,transparent 6px 11px);pointer-events:none}
.section-heading .eyebrow{display:flex;align-items:center;gap:12px}
.section-heading .eyebrow::before{content:'';display:block;width:27px;height:24px;flex:0 0 27px;background:url('assets/greek-palmette.svg') center/contain no-repeat}
.product-card{border-top:3px double rgba(98,111,81,.4)}
.product-card::after{content:'';position:absolute;left:20px;right:20px;bottom:8px;height:9px;opacity:.4;background:repeating-linear-gradient(90deg,transparent 0 5px,rgba(98,111,81,.5) 5px 6px,transparent 6px 12px);pointer-events:none}
.finance-card{border-top-color:rgba(243,239,228,.45)}
.finance-card::after{background:repeating-linear-gradient(90deg,transparent 0 5px,rgba(243,239,228,.5) 5px 6px,transparent 6px 12px)}
.development-note{position:relative;border-top:3px double var(--line);border-bottom:3px double var(--line)}
.development-note::before{content:'';display:block;width:40px;height:32px;background:url('assets/greek-palmette.svg') center/contain no-repeat;margin:0 auto 23px}
@media(max-width:600px){.greek-key{height:19px;background-size:36px 18px}.refined-visual{padding:20px 12px 16px}.refined-visual::before{inset:34px 4px 8px}.section-heading .eyebrow{gap:9px}.section-heading .eyebrow::before{width:22px;height:20px;flex-basis:22px}}

/* Architectural artwork complements live, accessible page content. */
.greek-scene{position:absolute;top:0;left:0;right:0;height:840px;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(243,239,228,.12) 0%,rgba(243,239,228,.08) 55%,var(--paper) 100%),url('assets/tetra-greek-background.jpg') center top/cover no-repeat;opacity:.68}
.header{background:rgba(243,239,228,.72)}
.hero-copy{position:relative;background:radial-gradient(ellipse at 40% 45%,rgba(243,239,228,.93) 10%,rgba(243,239,228,.62) 55%,transparent 75%)}
.hero:has(.refined-visual){grid-template-columns:1.25fr .85fr;gap:40px}
.hero .refined-visual{max-width:390px;background:radial-gradient(ellipse,rgba(243,239,228,.6),transparent 72%)}
.hero .refined-visual::before{background:rgba(243,239,228,.12);border-color:rgba(138,101,70,.24)}
.product-art{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;margin:22px 0 24px;border-radius:2px}
.product-card h3{margin-top:24px}
.containment-card{background:#30382c;color:#f3efe4;border-color:#59634b}
.containment-card em{color:#d7ddc7}
.containment-card>p,.containment-card ul,.containment-card .card-top{color:#d3d8c7}
.containment-card .product-lead{color:#f3efe4}
.containment-card .text-link{color:#f3efe4;border-color:#879276}
.containment-card::after{background:repeating-linear-gradient(90deg,transparent 0 5px,rgba(243,239,228,.5) 5px 6px,transparent 6px 12px)}
.finance-card{background:#f0ecdf;color:var(--ink);border-color:var(--line)}
.finance-card em{color:var(--olive)}
.finance-card>p,.finance-card ul,.finance-card .card-top{color:var(--muted)}
.finance-card .product-lead,.finance-card .text-link{color:var(--ink)}
.finance-card .text-link{border-color:var(--line)}
.finance-card::after{background:repeating-linear-gradient(90deg,transparent 0 5px,rgba(98,111,81,.5) 5px 6px,transparent 6px 12px)}
.product-scene{margin:0;align-self:center;min-width:0;border:1px solid var(--line);padding:10px;background:rgba(243,239,228,.65)}
.product-scene img{display:block;width:100%;height:auto}
.product-scene figcaption{font:7px/1.6 var(--mono);letter-spacing:1.2px;text-align:center;margin-top:12px;color:var(--muted)}
.containment-scene{background:#30382c;border-color:#59634b}
.containment-scene figcaption{color:#d3d8c7}
.page-hero:has(.product-scene){grid-template-columns:1.25fr 1fr}
@media(max-width:1000px){.greek-scene{height:760px;background-size:100% 100%,100% auto;opacity:.68}.hero:has(.refined-visual){gap:24px;grid-template-columns:1.15fr .85fr}.page-hero:has(.product-scene){gap:30px}}
@media(max-width:600px){.greek-scene{top:92px;height:1120px;background:none;opacity:1}.header{background:rgba(243,239,228,.9)}.hero:has(.refined-visual),.page-hero:has(.product-scene){grid-template-columns:1fr}.hero .refined-visual{width:min(100%,310px)}.product-art{margin-top:18px}.product-scene{max-width:420px;width:100%;justify-self:center}.hero-copy{background:none}}

/* Classical navigation: compact ivory bar with a restrained meander frieze. */
.header.wrap{width:min(1400px,calc(100% - 48px));height:88px;margin-top:18px;padding:0 26px;gap:24px;background:#f3efe4;border:1px solid rgba(98,111,81,.25);box-shadow:0 5px 18px rgba(48,56,44,.035);isolation:isolate}
.header::after{content:'';position:absolute;left:0;right:0;bottom:-9px;height:8px;border-bottom:1px solid rgba(98,111,81,.18);background:#f3efe4 url('assets/greek-meander.svg') center/24px 12px repeat-x;opacity:.6;pointer-events:none}
.header .brand{gap:9px;flex-shrink:0}
.header .brand-wordmark{font-size:23px;letter-spacing:2px}
.header .brand-wordmark small{font-size:6px;letter-spacing:3px}
.header nav{align-items:center;gap:26px;font-size:12px;font-weight:500}
.header nav a{padding:10px 0;white-space:nowrap}
.header nav a::after{bottom:4px}
.header .nav-cta{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:42px;padding:0 18px;border:1px solid #30382c;background:#30382c;color:#f3efe4;font:500 11px/1.2 var(--sans);letter-spacing:.2px;white-space:nowrap;text-decoration:none;box-shadow:inset 0 0 0 3px #30382c,inset 0 0 0 4px rgba(243,239,228,.2)}
.header .nav-cta span{margin:0;font-size:15px}
.header .nav-cta:hover{background:#45513b;border-color:#45513b}
.header .nav-cta:focus-visible,.header .menu-toggle:focus-visible{outline:2px solid var(--rust);outline-offset:4px}
.header .nav-cta:disabled{cursor:default}
@media(min-width:901px){.header nav{display:flex;position:static;padding:0;background:none;border:0}.header .menu-toggle{display:none}}
@media(max-width:1100px) and (min-width:901px){.header.wrap{gap:16px;padding-inline:20px}.header nav{gap:17px;font-size:11px}.header .nav-cta{padding-inline:14px}}
@media(max-width:900px){.header.wrap{height:78px;gap:14px;padding-inline:20px}.header nav{display:none;position:absolute;top:calc(100% + 9px);left:-1px;right:-1px;padding:18px 22px;background:#f3efe4;border:1px solid var(--line);box-shadow:0 14px 20px -18px rgba(48,56,44,.3)}.header nav.open{display:flex;flex-direction:column;align-items:stretch;gap:3px}.header nav a{padding:12px 4px}.header .nav-cta{margin-left:auto}.header .menu-toggle{display:block;padding:7px;border:1px solid var(--line);width:40px;height:40px;font-size:21px;background:transparent}}
@media(max-width:600px){.header.wrap{width:calc(100% - 24px);margin-top:12px;height:72px;padding:0 12px;gap:9px}.header .brand{gap:5px}.header .brand-symbol{width:34px;height:36px;flex-basis:34px}.header .brand-mark{width:54px;height:54px}.header .brand-wordmark{font-size:19px;letter-spacing:1px}.header .brand-wordmark small{font-size:5px;letter-spacing:2.4px;margin-top:5px}.header .nav-cta{padding:0 11px;gap:7px;font-size:10px;min-height:38px}.header .nav-cta span{font-size:13px}.header .menu-toggle{width:34px;height:38px;padding:4px}.header nav{padding:14px 18px}}
@media(max-width:360px){.header.wrap{padding-inline:8px;gap:6px}.header .nav-cta{padding-inline:8px;font-size:9px}.header .nav-cta span{display:none}.header .brand-wordmark{font-size:17px}}

.platform-open{overflow:hidden}
.platform-dialog{box-sizing:border-box;width:min(520px,calc(100% - 32px));max-height:calc(100dvh - 48px);overflow:auto;border:1px solid var(--olive);border-top:4px double var(--olive);padding:36px 40px 40px;background:var(--paper);color:var(--ink);text-align:center;box-shadow:0 24px 90px rgba(20,30,20,.22)}
.platform-dialog::backdrop{background:rgba(28,36,25,.55);backdrop-filter:blur(4px)}
.platform-dialog .dialog-close{position:absolute;right:12px;top:10px;border:0;background:transparent;color:var(--ink);font:28px/1 var(--sans);width:40px;height:40px;cursor:pointer}
.platform-mark{display:block;width:80px;height:80px;margin:0 auto 10px}
.platform-dialog h2{font:54px/1.1 var(--serif);margin:20px 0}
.platform-dialog p{font:14px/1.85 var(--sans);color:var(--muted);margin:0 0 26px}
.platform-dialog .dialog-return{margin:auto;cursor:pointer}
.platform-dialog button:focus-visible{outline:2px solid var(--rust);outline-offset:4px}
@media(max-width:600px){.platform-dialog{padding:32px 24px}.platform-dialog h2{font-size:44px}}

/* On narrow screens keep the architectural edges in view instead of cover-cropping them. */
@media(max-width:600px){
 .greek-scene::before,.greek-scene::after{content:'';position:absolute;pointer-events:none;background-repeat:no-repeat}
 .greek-scene::before{top:0;left:0;width:clamp(86px,26vw,150px);height:690px;background-image:linear-gradient(to bottom,transparent 60%,var(--paper) 100%),url('assets/tetra-greek-background.jpg');background-size:100% 100%,auto 690px;background-position:left top;opacity:.58;-webkit-mask-image:linear-gradient(to right,#000 12%,transparent 100%);mask-image:linear-gradient(to right,#000 12%,transparent 100%)}
 .greek-scene::after{top:145px;right:0;width:clamp(130px,43vw,250px);height:970px;background-image:linear-gradient(to bottom,transparent 72%,var(--paper) 100%),url('assets/tetra-greek-background.jpg');background-size:100% 100%,auto 970px;background-position:right top;opacity:.52;-webkit-mask-image:linear-gradient(to left,#000 5%,transparent 100%);mask-image:linear-gradient(to left,#000 5%,transparent 100%)}
}

/* Social channels */
.social-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}
.social-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 14px;border:1px solid var(--line);background:transparent;color:var(--ink,#30382c);font:500 12px 'DM Sans',sans-serif;text-decoration:none;transition:background .2s,color .2s,border-color .2s}
.social-button svg{width:15px;height:15px;fill:currentColor;flex-shrink:0}
.social-button:not(:disabled):hover{background:#30382c;color:#f3efe4;border-color:#30382c}
.social-button:focus-visible{outline:2px solid var(--rust,#a66949);outline-offset:4px}
.social-arrow{margin-left:7px;font-size:16px}
.social-pending{color:#747968;cursor:not-allowed}
.social-pending small{font-size:9px;border-left:1px solid var(--line);padding-left:9px;white-space:nowrap}
@media(max-width:600px){.footer-top>div:first-child{grid-column:1/-1}.social-links{gap:8px}.social-button{padding:10px 12px}}
@media(prefers-reduced-motion:reduce){.social-button{transition:none}}