:root {
  color-scheme: light;
  --navy: #071a36;
  --navy-soft: #0c2448;
  --blue: #2478f2;
  --blue-bright: #49a1ff;
  --cyan: #64dcf2;
  --ink: #132441;
  --muted: #65738a;
  --pale: #f5f8fc;
  --line: #e5ebf3;
  --white: #fff;
  --font-body: "DM Sans", Arial, sans-serif;
  --font-heading: "Manrope", "DM Sans", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; color: var(--ink); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.container { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.section-dark { color: var(--white); background: var(--navy); }
.section-light { background: var(--white); }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: #b5c5dd; font-size: 11px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow-blue { color: var(--blue); }
.eyebrow-light { color: #9dbbe8; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px #64dcf2; }

.site-header { position: sticky; z-index: 10; top: 0; border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(7,26,54,.96); color: var(--white); backdrop-filter: blur(14px); }
.header-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { display: grid; width: 37px; height: 37px; place-items: center; border: 1px solid rgba(100,220,242,.5); border-radius: 11px; color: #e6faff; font-family: var(--font-heading); font-size: 22px; font-weight: 800; letter-spacing: -.08em; }
.brand-mark span, .brand-name > span, .core-symbol span, .art-k span { color: var(--cyan); }
.brand-name { display: grid; gap: 3px; font-family: var(--font-heading); font-size: 16px; font-weight: 800; letter-spacing: .02em; line-height: 1; }
.brand-name > span { color: #96a8c1; font-family: var(--font-body); font-size: 8px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: 32px; color: #c6d2e3; font-size: 12px; font-weight: 600; }
.site-nav > a:not(.nav-contact) { transition: color .2s; }
.site-nav > a:not(.nav-contact):hover { color: var(--cyan); }
.nav-dropdown { position: relative; }
.nav-dropdown-trigger { display: inline-flex; align-items: center; gap: 5px; transition: color .2s; }
.nav-dropdown-trigger:hover, .nav-dropdown:focus-within .nav-dropdown-trigger { color: var(--cyan); }
.nav-dropdown-trigger span { color: var(--cyan); font-size: 14px; }
.nav-dropdown-menu { position: absolute; top: calc(100% + 13px); left: -14px; display: grid; min-width: 175px; gap: 2px; padding: 7px; border: 1px solid rgba(153,189,231,.16); border-radius: 7px; background: #0b2344; box-shadow: 0 14px 30px rgba(0,0,0,.24); opacity: 0; pointer-events: none; transform: translateY(-4px); transition: opacity .16s, transform .16s; }
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { opacity: 1; pointer-events: auto; transform: translateY(0); }
.nav-dropdown-menu a { padding: 10px 9px; border-radius: 4px; color: #c6d2e3; font-size: 10px; }
.nav-dropdown-menu a:hover, .nav-dropdown-menu a:focus-visible { background: rgba(100,220,242,.1); color: var(--cyan); }
.nav-contact { padding: 12px 16px; border: 1px solid rgba(100,220,242,.35); border-radius: 7px; color: var(--white); transition: background .2s, border-color .2s; }
.nav-contact:hover { border-color: var(--cyan); background: rgba(100,220,242,.1); }
.nav-contact span { padding-left: 7px; color: var(--cyan); }
.menu-toggle { display: none; }

.hero { position: relative; display: flex; min-height: 592px; align-items: center; overflow: hidden; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 45px; padding-top: 34px; padding-bottom: 65px; }
.hero-copy { padding: 31px 0 22px; }
.hero h1, .section-heading h2, .approach h2, .downloads h2, .contact h2 { margin: 0; font-family: var(--font-heading); font-weight: 700; letter-spacing: -.055em; }
.hero h1 { font-size: clamp(48px, 6.2vw, 74px); line-height: 1.08; }
.hero h1 span, .contact h2 span { color: var(--cyan); }
.hero-description { max-width: 465px; margin: 22px 0 28px; color: #b0bfd4; font-size: 15px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 11px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 15px; padding: 0 19px; border: 1px solid transparent; border-radius: 6px; font-size: 12px; font-weight: 700; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: white; box-shadow: 0 8px 25px rgba(36,120,242,.23); }
.button-primary:hover { background: #3988fa; }
.button-primary span { font-size: 17px; }
.button-quiet { color: #d1dced; }
.button-quiet:hover { color: var(--cyan); }
.play-icon { display: grid; width: 25px; height: 25px; place-items: center; border: 1px solid #496381; border-radius: 50%; color: var(--cyan); font-size: 9px; }
.hero-note { display: flex; align-items: center; gap: 12px; margin-top: 43px; color: #8fa1bb; font-size: 10px; }
.hero-note b { padding-inline: 5px; color: #48aaff; }
.note-line { width: 29px; height: 1px; background: #3285e9; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.hero-glow-one { top: 10%; right: -9%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(29,102,190,.18), transparent 70%); }
.hero-glow-two { bottom: -40%; left: 5%; width: 450px; height: 450px; background: radial-gradient(circle, rgba(17,78,151,.18), transparent 70%); }
.hero-visual { position: relative; display: grid; min-height: 430px; place-items: center; }
.visual-orbit { position: absolute; border: 1px solid rgba(94,162,229,.15); border-radius: 50%; transform: rotate(-24deg); }
.orbit-one { width: 370px; height: 265px; }
.orbit-two { width: 300px; height: 390px; transform: rotate(36deg); }
.visual-core { position: relative; z-index: 1; display: flex; width: 242px; height: 264px; flex-direction: column; align-items: center; justify-content: center; overflow: hidden; border: 1px solid rgba(135,185,235,.26); border-radius: 16px; background: linear-gradient(145deg, rgba(24,61,104,.78), rgba(8,28,59,.95)); box-shadow: 0 25px 80px rgba(0,0,0,.28), inset 0 1px rgba(255,255,255,.07); transform: perspective(700px) rotateY(-8deg) rotateX(3deg); }
.core-top { position: absolute; top: 14px; left: 16px; display: flex; gap: 5px; }
.core-top span { width: 5px; height: 5px; border-radius: 50%; background: #476789; }
.core-symbol { display: grid; width: 89px; height: 89px; place-items: center; border: 1px solid rgba(100,220,242,.38); border-radius: 27px; background: linear-gradient(145deg, rgba(68,148,218,.15), rgba(19,66,120,.22)); color: #d8f6ff; font-family: var(--font-heading); font-size: 59px; font-weight: 800; letter-spacing: -.12em; text-shadow: 0 0 28px rgba(100,220,242,.23); }
.core-caption { margin-top: 21px; color: #95aac7; font-size: 8px; font-weight: 700; letter-spacing: .2em; }
.core-wave { display: flex; height: 24px; align-items: center; gap: 4px; margin-top: 12px; }
.core-wave i { width: 3px; height: 8px; border-radius: 5px; background: #50bde8; opacity: .8; }
.core-wave i:nth-child(2), .core-wave i:nth-child(6) { height: 14px; }
.core-wave i:nth-child(3), .core-wave i:nth-child(5) { height: 20px; }
.core-wave i:nth-child(4) { height: 11px; background: #83e8f2; }
.float-card { position: absolute; z-index: 2; display: flex; align-items: center; gap: 11px; padding: 13px 15px; border: 1px solid rgba(169,203,240,.16); border-radius: 8px; background: rgba(14,37,70,.9); box-shadow: 0 12px 30px rgba(0,0,0,.18); }
.float-card b, .float-card small { display: block; }
.float-card b { color: #e6effb; font-size: 10px; }
.float-card small { margin-top: 4px; color: #91a5c0; font-size: 9px; }
.float-card-top { top: 77px; right: -3px; }
.float-card-bottom { bottom: 66px; left: -5px; }
.float-icon, .float-check { display: grid; width: 31px; height: 31px; place-items: center; border-radius: 8px; background: rgba(47,127,228,.19); color: #72d9f0; font-size: 16px; }
.float-check { background: rgba(66,199,167,.15); color: #67e0bd; }
.visual-cross { position: absolute; color: #53b4f2; font-size: 20px; opacity: .65; }
.cross-one { top: 52px; left: 50px; }
.cross-two { right: 45px; bottom: 56px; color: var(--cyan); }
.scroll-cue { position: absolute; bottom: 19px; left: 50%; display: flex; align-items: center; gap: 9px; color: #8294ae; font-size: 9px; letter-spacing: .08em; transform: translateX(-50%); }
.scroll-cue span { width: 14px; height: 20px; border: 1px solid #657d9d; border-radius: 8px; }
.scroll-cue span::after { display: block; width: 2px; height: 4px; margin: 4px auto; background: var(--cyan); content: ""; }

.services { padding: 100px 0 105px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 35px; margin-bottom: 43px; }
.section-heading .eyebrow, .downloads-heading .eyebrow { margin-bottom: 15px; }
.section-heading h2, .downloads h2 { font-size: clamp(31px, 4vw, 43px); line-height: 1.2; }
.section-intro { max-width: 355px; margin: 0 0 4px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 246px; padding: 25px 21px 23px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .2s, transform .2s, box-shadow .2s; }
.service-card:hover { z-index: 1; background: #fbfdff; box-shadow: 0 10px 30px rgba(17,52,98,.07); transform: translateY(-3px); }
.service-icon { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid #d9e8fa; border-radius: 9px; background: #f3f8ff; color: var(--blue); }
.service-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.icon-network { color: #26a8c5; }
.service-card h3 { margin: 19px 0 9px; font-family: var(--font-heading); font-size: 14px; letter-spacing: -.02em; }
.service-card p { min-height: 59px; margin: 0 0 16px; color: var(--muted); font-size: 11px; line-height: 1.7; }
.text-link { color: var(--blue); font-size: 10px; font-weight: 700; }
.text-link span { padding-left: 4px; transition: padding .2s; }
.text-link:hover span { padding-left: 8px; }

.section-blue { color: var(--white); background: linear-gradient(115deg, #0b2851, #0c3868); }
.approach { padding: 96px 0; overflow: hidden; }
.approach-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 95px; }
.approach-art { position: relative; display: grid; min-height: 390px; place-items: center; }
.art-frame { position: relative; display: grid; width: min(100%, 405px); height: 330px; place-items: center; overflow: hidden; border: 1px solid rgba(129,185,237,.2); border-radius: 13px; background: linear-gradient(140deg, rgba(23,73,127,.75), rgba(7,30,64,.68)); }
.art-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(141,193,235,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(141,193,235,.08) 1px, transparent 1px); background-size: 26px 26px; mask-image: linear-gradient(140deg, black, transparent 80%); }
.art-circle { position: absolute; border: 1px solid rgba(116,205,235,.3); border-radius: 50%; }
.circle-large { width: 235px; height: 235px; box-shadow: 0 0 70px rgba(35,140,222,.13), inset 0 0 55px rgba(35,140,222,.1); }
.circle-small { width: 168px; height: 168px; border-color: rgba(100,220,242,.35); box-shadow: 0 0 36px rgba(100,220,242,.09); }
.art-k { z-index: 1; color: #e6f7ff; font-family: var(--font-heading); font-size: 108px; font-weight: 800; letter-spacing: -.12em; text-shadow: 0 0 40px rgba(78,175,238,.4); }
.art-label { position: absolute; bottom: 19px; left: 19px; display: flex; align-items: center; gap: 8px; color: #9db6d3; font-size: 8px; font-weight: 700; letter-spacing: .14em; }
.art-label span { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.art-spark { position: absolute; color: var(--cyan); font-size: 24px; }
.spark-one { top: 10px; right: 12%; }
.spark-two { bottom: 20px; left: 4%; color: #4a9cfa; font-size: 17px; }
.approach-copy .eyebrow { margin-bottom: 16px; }
.approach h2 { font-size: clamp(34px, 4vw, 47px); line-height: 1.16; }
.approach h2 span { color: #70d8ef; }
.approach-copy > p:not(.eyebrow) { max-width: 475px; margin: 19px 0 24px; color: #b5c5da; font-size: 12px; line-height: 1.9; }
.value-list { display: grid; gap: 15px; margin-bottom: 27px; }
.value-list > div { display: flex; align-items: center; gap: 11px; }
.value-check { display: grid; width: 22px; height: 22px; place-items: center; border: 1px solid rgba(100,220,242,.33); border-radius: 50%; color: var(--cyan); font-size: 11px; }
.value-list b, .value-list small { display: block; }
.value-list b { color: #eff6ff; font-size: 11px; }
.value-list small { margin-top: 3px; color: #91a7c2; font-size: 10px; }
.button-outline { border-color: rgba(133,186,239,.4); color: white; }
.button-outline:hover { border-color: var(--cyan); background: rgba(100,220,242,.08); }
.button-outline span { color: var(--cyan); font-size: 16px; }

.downloads { padding: 98px 0 91px; }
.downloads-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 35px; }
.downloads-heading .section-intro { margin-top: 12px; }
.downloads-badge { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 8px; color: #71819a; font-size: 10px; line-height: 1.55; }
.downloads-badge b { color: var(--ink); font-size: 12px; }
.download-cloud { display: grid; width: 39px; height: 39px; place-items: center; border-radius: 9px; background: #eef5ff; color: var(--blue); font-size: 23px; }
.download-tools { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.search-box { display: flex; min-width: min(100%, 300px); align-items: center; gap: 10px; color: #8796aa; }
.search-box > span:first-child { font-size: 23px; line-height: 1; transform: rotate(-20deg); }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 11px; }
.search-box input::placeholder { color: #97a3b4; }
.filter-list { display: flex; flex-wrap: wrap; gap: 5px; }
.filter-button { padding: 8px 12px; border: 1px solid transparent; border-radius: 5px; background: transparent; color: #708098; cursor: pointer; font-size: 10px; transition: background .2s, color .2s; }
.filter-button:hover { color: var(--blue); }
.filter-button.is-active { border-color: #dce9fb; background: #f1f6ff; color: #176bdb; font-weight: 700; }
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding-top: 22px; }
.download-card { display: flex; min-height: 130px; align-items: flex-start; gap: 13px; padding: 17px; border: 1px solid var(--line); border-radius: 8px; transition: border-color .2s, box-shadow .2s; }
.download-card:hover { border-color: #b9d4f7; box-shadow: 0 8px 22px rgba(17,52,98,.06); }
.file-icon { display: grid; width: 39px; height: 39px; flex: 0 0 auto; place-items: center; border-radius: 8px; background: #eff5ff; color: var(--blue); font-size: 17px; }
.download-card-content { min-width: 0; flex: 1; }
.download-card h3 { overflow: hidden; margin: 2px 0 5px; font-family: var(--font-heading); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.download-card p { margin: 0 0 9px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.file-meta { color: #8996a8; font-size: 9px; }
.download-link { display: inline-flex; align-items: center; gap: 5px; margin-top: 10px; color: var(--blue); font-size: 10px; font-weight: 700; }
.download-empty { display: none; padding: 38px 15px 28px; text-align: center; }
.download-empty.is-visible { display: block; }
.empty-icon { display: inline-grid; width: 45px; height: 45px; place-items: center; border-radius: 50%; background: #f0f6ff; color: var(--blue); font-size: 25px; }
.download-empty h3 { margin: 13px 0 7px; font-family: var(--font-heading); font-size: 14px; }
.download-empty p { max-width: 360px; margin: 0 auto; color: var(--muted); font-size: 11px; line-height: 1.7; }
.download-security { margin: 17px 0 0; color: #8491a3; font-size: 9px; }
.download-security span { padding-right: 4px; color: var(--blue); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; clip-path: inset(50%); }

.contact { padding: 75px 0 0; background-image: radial-gradient(ellipse at 73% 0%, rgba(31,101,183,.28), transparent 43%); }
.contact-inner { display: flex; min-height: 245px; align-items: center; justify-content: space-between; gap: 30px; padding-bottom: 43px; }
.contact .eyebrow { margin-bottom: 14px; }
.contact h2 { font-size: clamp(34px, 4.3vw, 49px); line-height: 1.16; }
.contact-inner > div > p:last-child { max-width: 430px; margin: 14px 0 0; color: #a9bad0; font-size: 12px; line-height: 1.75; }
.contact-button { min-width: 174px; }
.contact-actions { display: grid; justify-items: start; gap: 14px; }
.social-link { color: #a9bdd0; font-size: 11px; }
.social-link b { padding-left: 4px; color: #e3f0ff; font-weight: 700; }
.social-link span { padding-left: 5px; color: var(--cyan); }
.social-link:hover { color: white; }
.contact-footnote { display: flex; justify-content: space-between; padding: 17px 0; border-top: 1px solid rgba(255,255,255,.12); color: #879bb5; font-size: 9px; }
.contact-footnote a { color: #a9bdd7; }
.contact-footnote a:hover { color: var(--cyan); }
.contact-footnote b { padding-inline: 5px; color: var(--cyan); }
.site-footer { background: #05142b; color: #8292a9; }
.footer-inner { display: flex; min-height: 73px; align-items: center; justify-content: space-between; gap: 15px; }
.brand-footer .brand-mark { width: 30px; height: 30px; border-radius: 8px; font-size: 18px; }
.brand-footer .brand-name { color: #d6e1ef; font-size: 13px; }
.brand-footer .brand-name > span { font-size: 7px; }
.footer-inner > p, .back-top { font-size: 9px; }
.back-top { color: #a9bdd7; }
.admin-main { padding: 40px 0 55px; }
.admin-panel { padding: 20px; }
.admin-file-row { align-items: flex-start; }
.back-top:hover { color: var(--cyan); }

.admin-page { min-height: 100vh; display: flex; flex-direction: column; background: var(--pale); }
.admin-page .site-header .header-inner { min-height: 72px; }
.admin-page .nav-contact { font-size: 11px; }
.admin-main { flex: 1; padding: 60px 0 80px; }
.admin-container { max-width: 760px; }
.admin-container > .eyebrow { margin-bottom: 12px; }
.admin-container > h1 { margin: 0; color: var(--ink); font-family: var(--font-heading); font-size: clamp(32px, 5vw, 43px); letter-spacing: -.05em; }
.admin-lead { margin: 10px 0 26px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.admin-panel { padding: 27px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); box-shadow: 0 12px 38px rgba(17,52,98,.05); }
.admin-panel[hidden] { display: none; }
.admin-panel > h2, .admin-panel-heading h2, .admin-files-heading h2 { margin: 0; color: var(--ink); font-family: var(--font-heading); font-size: 18px; letter-spacing: -.03em; }
.admin-panel > p, .admin-panel-heading p { margin: 7px 0 20px; color: var(--muted); font-size: 11px; line-height: 1.7; }
.admin-form { display: grid; gap: 10px; }
.admin-form label { margin-top: 4px; color: var(--ink); font-size: 11px; font-weight: 700; }
.admin-form input, .admin-form textarea, .admin-form select { width: 100%; min-height: 42px; padding: 10px 12px; border: 1px solid #dce4ef; border-radius: 6px; outline: none; background: #fff; color: var(--ink); font-size: 12px; }
.admin-form textarea { resize: vertical; }
.admin-form input:focus, .admin-form textarea:focus, .admin-form select:focus { border-color: #70a8f2; box-shadow: 0 0 0 3px rgba(36,120,242,.1); }
.admin-form input[type="file"] { padding: 8px; }
.admin-form .button { justify-self: start; margin-top: 8px; cursor: pointer; }
.admin-form .button:disabled, .button-secondary:disabled, .delete-button:disabled { cursor: wait; opacity: .65; }
.admin-hint { color: #8391a5; font-size: 10px; font-weight: 400; }
.admin-panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; }
.admin-panel-heading p { margin-bottom: 17px; }
.button-secondary { min-height: 36px; padding-inline: 13px; border-color: var(--line); background: #fff; color: #52637b; cursor: pointer; }
.button-secondary:hover { border-color: #b9d4f7; background: #f5f8fc; }
.admin-message { min-height: 18px; margin: 12px 0 16px; color: #187550; font-size: 11px; }
.admin-message.is-error { color: #b53b3b; }
.admin-files-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 29px; padding-top: 22px; border-top: 1px solid var(--line); }
.admin-files-heading h2 { font-size: 15px; }
.admin-files-heading span { color: #8491a3; font-size: 10px; }
.admin-file-list { display: grid; gap: 8px; margin-top: 13px; }
.admin-file-row { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 13px; border: 1px solid var(--line); border-radius: 7px; }
.admin-file-details { min-width: 0; }
.admin-file-details strong, .admin-file-details > span { display: block; overflow-wrap: anywhere; }
.admin-file-details strong { color: var(--ink); font-size: 11px; }
.admin-file-details > span { margin-top: 4px; color: #8491a3; font-size: 9px; }
.admin-file-details p { margin: 6px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.delete-button { flex: 0 0 auto; padding: 7px 10px; border: 1px solid #f0dcdc; border-radius: 5px; background: #fff; color: #a73737; cursor: pointer; font-size: 10px; }
.delete-button:hover { background: #fff6f6; }
.admin-empty { margin: 13px 0 0; color: #8491a3; font-size: 11px; }
.admin-empty[hidden] { display: none; }
.admin-page .footer-inner { min-height: 62px; }
.admin-page .footer-inner > p { margin: 0; }

.downloads-page-hero { padding: 78px 0 86px; background-image: radial-gradient(ellipse at 80% 20%, rgba(36,120,242,.2), transparent 45%); }
.downloads-page-hero .eyebrow { margin-bottom: 17px; }
.downloads-page-hero h1 { margin: 0; font-family: var(--font-heading); font-size: clamp(40px, 6vw, 61px); line-height: 1.12; letter-spacing: -.055em; }
.downloads-page-hero h1 span { color: var(--cyan); }
.downloads-page-hero > .container > p:not(.eyebrow) { max-width: 470px; margin: 18px 0 23px; color: #b0bfd4; font-size: 13px; line-height: 1.8; }
.downloads-page-hero .button { min-height: 42px; }
.downloads-catalog { min-height: 370px; padding-top: 69px; padding-bottom: 64px; }
.download-access { padding: 65px 0 72px; }
.download-access-container { max-width: 510px; padding: 27px; border: 1px solid var(--line); border-radius: 10px; background: #fff; box-shadow: 0 12px 38px rgba(17,52,98,.05); }
.download-access-icon { display: grid; width: 42px; height: 42px; place-items: center; margin-bottom: 18px; border-radius: 9px; background: #eff5ff; color: var(--blue); font-size: 24px; }
.download-access .eyebrow { margin-bottom: 10px; }
.download-access h2 { margin: 0; color: var(--ink); font-family: var(--font-heading); font-size: clamp(23px, 4vw, 29px); letter-spacing: -.04em; }
.download-access-container > p:not(.eyebrow, .download-access-message) { margin: 9px 0 19px; color: var(--muted); font-size: 11px; line-height: 1.7; }
.download-login-form { display: grid; gap: 9px; }
.download-login-form label { margin-top: 3px; color: var(--ink); font-size: 11px; font-weight: 700; }
.download-login-form input { width: 100%; min-height: 43px; padding: 10px 12px; border: 1px solid #dce4ef; border-radius: 6px; outline: none; color: var(--ink); font-size: 12px; }
.download-login-form input:focus { border-color: #70a8f2; box-shadow: 0 0 0 3px rgba(36,120,242,.1); }
.download-login-form .button { justify-self: start; margin-top: 8px; cursor: pointer; }
.download-login-form .button:disabled { cursor: wait; opacity: .65; }
.download-access-message { min-height: 17px; margin: 10px 0 0; color: #187550; font-size: 11px; }
.download-access-message.is-error { color: #b53b3b; }
.downloads-heading { position: relative; }
.download-logout { align-self: end; flex: 0 0 auto; cursor: pointer; }
.audio-notice { padding: 55px 0; }
.audio-notice-inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
.audio-notice .eyebrow { margin-bottom: 12px; }
.audio-notice h2 { max-width: 600px; margin: 0; font-family: var(--font-heading); font-size: clamp(24px, 3vw, 31px); letter-spacing: -.04em; }
.audio-notice p:not(.eyebrow) { max-width: 590px; margin: 11px 0 0; color: #b5c5da; font-size: 11px; line-height: 1.8; }
.audio-notice .button { flex: 0 0 auto; }

.games-page { background: var(--pale); }
.games-hero { position: relative; overflow: hidden; padding: 72px 0 80px; background-image: radial-gradient(ellipse at 80% 50%, rgba(36,120,242,.21), transparent 46%); }
.games-hero-inner { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.games-hero h1 { margin: 0; font-family: var(--font-heading); font-size: clamp(43px, 6vw, 64px); line-height: 1.1; letter-spacing: -.06em; }
.games-hero h1 span { color: var(--cyan); }
.games-hero-inner > div:first-child > p:last-child { max-width: 500px; margin: 19px 0 0; color: #b0bfd4; font-size: 13px; line-height: 1.8; }
.games-hero-card { position: relative; display: grid; width: 194px; height: 194px; flex: 0 0 auto; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(4, 1fr); overflow: hidden; border: 8px solid #153659; border-radius: 11px; background: #25486c; box-shadow: 0 18px 55px rgba(0,0,0,.23); transform: rotate(5deg); }
.hero-checker { display: grid; place-items: center; }
.hero-checker:nth-child(8n + 1), .hero-checker:nth-child(8n + 3), .hero-checker:nth-child(8n + 6), .hero-checker:nth-child(8n + 8) { background: #1d3858; }
.hero-checker:nth-child(8n + 2), .hero-checker:nth-child(8n + 4), .hero-checker:nth-child(8n + 5), .hero-checker:nth-child(8n + 7) { background: #aac8e8; }
.hero-checker:nth-child(1)::after, .hero-checker:nth-child(3)::after, .hero-checker:nth-child(6)::after, .hero-checker:nth-child(8)::after, .hero-checker:nth-child(9)::after, .hero-checker:nth-child(11)::after, .hero-checker:nth-child(14)::after, .hero-checker:nth-child(16)::after { width: 20px; height: 20px; border: 2px solid #dcecff; border-radius: 50%; background: #f4f8ff; box-shadow: inset 0 -3px #becfe3; content: ""; }
.hero-checker:nth-child(9)::after, .hero-checker:nth-child(11)::after, .hero-checker:nth-child(14)::after, .hero-checker:nth-child(16)::after { border-color: #6688ad; background: #142d4b; box-shadow: inset 0 -3px #071a36; }
.games-hero-card strong { position: absolute; z-index: 2; inset: 0; display: grid; place-content: center; background: rgba(7,26,54,.55); color: white; font-family: var(--font-heading); font-size: 17px; letter-spacing: .14em; line-height: 1.5; text-align: center; text-shadow: 0 2px 8px rgba(0,0,0,.55); }
.games-auth-section { padding: 56px 0 85px; }
.games-container { max-width: 1010px; }
.games-status-message { min-height: 0; margin-bottom: 14px; color: #187550; font-size: 12px; font-weight: 600; }
.games-status-message:empty { display: none; }
.games-status-message.is-error { color: #b53b3b; }
.games-auth-card, .games-panel, .checkers-panel { border: 1px solid var(--line); border-radius: 10px; background: white; box-shadow: 0 12px 38px rgba(17,52,98,.045); }
.games-auth-card { padding: 30px; }
.games-section-heading { max-width: 600px; margin-bottom: 21px; }
.games-section-heading .eyebrow, .player-welcome .eyebrow, .games-panel .eyebrow, .checkers-heading .eyebrow { margin-bottom: 9px; }
.games-section-heading h2, .player-welcome h2, .future-games h2, .checkers-heading h2 { margin: 0; color: var(--ink); font-family: var(--font-heading); font-size: clamp(26px, 4vw, 35px); letter-spacing: -.045em; }
.games-section-heading > p:last-child { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.social-login-list { display: flex; flex-wrap: wrap; gap: 9px; }
.social-login-button { display: inline-flex; min-height: 40px; align-items: center; justify-content: center; padding: 0 14px; border: 1px solid #dce4ef; border-radius: 6px; background: white; color: #263954; font-size: 11px; font-weight: 700; transition: background .2s, border-color .2s; }
.social-login-button:hover { border-color: #a8c5ea; background: #f6faff; }
.social-login-button[hidden] { display: none; }
.social-login-note { min-height: 15px; margin: 8px 0 0; color: #8592a5; font-size: 10px; line-height: 1.5; }
.auth-divider { display: flex; align-items: center; gap: 12px; margin: 19px 0; color: #8491a3; font-size: 10px; }
.auth-divider::before, .auth-divider::after { height: 1px; flex: 1; background: var(--line); content: ""; }
.games-auth-forms { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.game-auth-form { display: grid; align-content: start; gap: 8px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; }
.game-auth-form h3 { margin: 0 0 6px; font-family: var(--font-heading); font-size: 14px; }
.game-auth-form label, .invite-form label { margin-top: 3px; color: #33445f; font-size: 10px; font-weight: 700; }
.game-auth-form input, .invite-form input { width: 100%; min-height: 39px; padding: 9px 10px; border: 1px solid #dce4ef; border-radius: 5px; outline: none; background: #fff; color: var(--ink); font-size: 11px; }
.game-auth-form input:focus, .invite-form input:focus { border-color: #70a8f2; box-shadow: 0 0 0 3px rgba(36,120,242,.1); }
.game-auth-form .button { justify-self: start; margin-top: 7px; cursor: pointer; }
.game-auth-form .button:disabled { cursor: wait; opacity: .65; }
.games-field-hint { margin-top: -5px; color: #8793a5; font-size: 9px; }
.games-privacy-note { margin: 17px 0 0; color: #8592a5; font-size: 9px; line-height: 1.6; }
.player-dashboard[hidden], .games-auth-card[hidden], .checkers-panel[hidden] { display: none; }
.player-welcome { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 19px; }
.player-welcome h2 span { color: var(--blue); }
.player-welcome > div > p:last-child { margin: 7px 0 0; color: var(--muted); font-size: 11px; }
.player-welcome > div > p:last-child b { color: var(--ink); }
.player-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 18px; }
.player-stat { display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.player-stat strong { color: var(--blue); font-family: var(--font-heading); font-size: 23px; }
.player-stat span { color: var(--muted); font-size: 10px; }
.games-lobby-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.games-panel { padding: 20px; }
.games-panel h3 { margin: 0; font-family: var(--font-heading); font-size: 16px; letter-spacing: -.025em; }
.games-panel > p:not(.eyebrow) { margin: 8px 0 15px; color: var(--muted); font-size: 10px; line-height: 1.65; }
.invite-form { display: flex; gap: 7px; }
.invite-form input { flex: 1; min-width: 0; }
.invite-form .button { min-height: 39px; padding-inline: 12px; white-space: nowrap; cursor: pointer; }
.invite-form .button:disabled { cursor: wait; opacity: .65; }
.game-list { display: grid; gap: 8px; margin-top: 13px; }
.game-list-empty { margin: 0; color: #8996a8; font-size: 10px; line-height: 1.7; }
.game-list-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 0; border-top: 1px solid var(--line); }
.game-list-row > div:first-child { min-width: 0; }
.game-list-row strong, .game-list-row span { display: block; overflow-wrap: anywhere; }
.game-list-row strong { color: var(--ink); font-size: 10px; }
.game-list-row span { margin-top: 4px; color: #8996a8; font-size: 9px; }
.game-list-actions { display: flex; flex: 0 0 auto; gap: 5px; }
.mini-button { min-height: 29px; padding: 0 9px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: #566780; cursor: pointer; font-size: 9px; font-weight: 700; }
.mini-button:hover { border-color: #b7d2f4; }
.mini-button-primary { border-color: #d8e7fa; background: #f2f7ff; color: #176bdb; }
.mini-button:disabled { cursor: wait; opacity: .6; }
.match-list-panel { margin-top: 14px; }
.checkers-panel { margin-top: 18px; padding: 23px; scroll-margin-top: 90px; }
.checkers-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; margin-bottom: 17px; }
.checkers-heading h2 { font-size: 26px; }
.checkers-heading h2 span { color: var(--blue); }
.checkers-heading p:last-child { margin: 7px 0 0; color: var(--muted); font-size: 11px; }
.checkers-heading > button { flex: 0 0 auto; }
.checkers-game-layout { display: grid; grid-template-columns: minmax(0, 500px) minmax(170px, 1fr); align-items: start; gap: 20px; }
.checkers-board { display: grid; width: 100%; grid-template-columns: repeat(8, minmax(0, 1fr)); overflow: hidden; border: 5px solid #153659; border-radius: 6px; box-shadow: 0 10px 26px rgba(18,47,79,.12); aspect-ratio: 1; }
.checker-square { display: grid; min-width: 0; place-items: center; padding: 0; border: 0; cursor: default; position: relative; }
.square-light { background: #e7eff8; }
.square-dark { background: #345777; }
.checker-square.is-selected { box-shadow: inset 0 0 0 3px #64dcf2; }
.checker-square.is-target { cursor: pointer; }
.checker-square.is-target::after { position: absolute; width: 23%; height: 23%; border-radius: 50%; background: rgba(100,220,242,.75); content: ""; }
.checker-square:has(.checker-piece) { cursor: pointer; }
.checker-piece { z-index: 1; display: grid; width: 69%; height: 69%; place-items: center; border-radius: 50%; box-shadow: 0 3px 4px rgba(0,0,0,.25), inset 0 -4px rgba(0,0,0,.15); }
.piece-white { border: 2px solid #bac8d9; background: linear-gradient(145deg, #fff, #dce6f1); }
.piece-black { border: 2px solid #527397; background: linear-gradient(145deg, #183657, #071a36); }
.piece-king::after { width: 33%; height: 33%; border: 2px solid #e5b84b; border-radius: 50%; content: ""; }
.checkers-rules { padding: 16px; border: 1px solid var(--line); border-radius: 7px; background: #fbfdff; }
.checkers-rules h3 { margin: 0 0 8px; font-family: var(--font-heading); font-size: 13px; }
.checkers-rules p { margin: 8px 0; color: var(--muted); font-size: 10px; line-height: 1.7; }
.checkers-rules ol { display: grid; gap: 6px; max-height: 180px; overflow: auto; margin: 8px 0 0; padding-left: 20px; color: #566780; font-size: 9px; }
.future-games { padding-top: 59px; }
.future-games .games-section-heading { margin-bottom: 18px; }
.future-games h2 { font-size: 26px; }
.future-game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; }
.future-game-grid article { position: relative; min-height: 135px; padding: 17px; border: 1px solid var(--line); border-radius: 8px; background: white; }
.future-game-grid article > span { color: var(--blue); font-size: 18px; font-weight: 800; }
.future-game-grid h3 { margin: 11px 0 5px; font-family: var(--font-heading); font-size: 13px; }
.future-game-grid p { margin: 0; color: var(--muted); font-size: 9px; line-height: 1.5; }
.future-game-grid small { position: absolute; top: 18px; right: 14px; color: #8797ae; font-size: 7px; font-weight: 800; letter-spacing: .12em; }

@media (max-width: 900px) {
  .container { width: min(100% - 40px, 700px); }
  .site-nav { gap: 18px; }
  .hero-grid { grid-template-columns: 1fr .85fr; gap: 15px; }
  .hero-visual { transform: scale(.86); transform-origin: center right; }
  .hero h1 { font-size: clamp(46px, 7vw, 62px); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { gap: 45px; }
  .approach-art { transform: scale(.95); }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
  .games-hero-card { width: 160px; height: 160px; }
  .checkers-game-layout { grid-template-columns: minmax(0, 1.5fr) minmax(150px, 1fr); gap: 12px; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 69px; }
  .container { width: calc(100% - 36px); }
  .header-inner { min-height: 66px; }
  .brand-mark { width: 33px; height: 33px; font-size: 20px; }
  .brand-name { font-size: 14px; }
  .menu-toggle { display: flex; width: 39px; height: 39px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border: 1px solid rgba(255,255,255,.17); border-radius: 7px; background: transparent; cursor: pointer; }
  .menu-toggle span { width: 16px; height: 1px; background: #d7e2ef; transition: transform .2s, opacity .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-6px) rotate(-45deg); }
  .site-nav { position: absolute; top: 65px; right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 8px 18px 17px; border-bottom: 1px solid rgba(255,255,255,.1); background: #071a36; }
  .site-nav.is-open { display: flex; flex-direction: column; }
  .site-nav > a:not(.nav-contact) { padding: 13px 4px; border-bottom: 1px solid rgba(255,255,255,.07); }
  .nav-dropdown { border-bottom: 1px solid rgba(255,255,255,.07); }
  .nav-dropdown-trigger { display: flex; justify-content: space-between; padding: 13px 4px; }
  .nav-dropdown-menu { position: static; display: grid; gap: 0; padding: 0 0 6px 10px; border: 0; border-radius: 0; background: transparent; box-shadow: none; opacity: 1; pointer-events: auto; transform: none; }
  .nav-dropdown-menu a { padding: 10px; }
  .nav-contact { margin-top: 12px; text-align: center; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 0; padding-top: 53px; padding-bottom: 61px; }
  .hero-copy { padding: 0; }
  .hero .eyebrow { margin-bottom: 17px; font-size: 9px; }
  .hero h1 { font-size: clamp(48px, 13vw, 68px); }
  .hero-description { max-width: 420px; margin: 17px 0 22px; font-size: 13px; }
  .hero-actions { gap: 5px; }
  .button { min-height: 44px; padding-inline: 13px; font-size: 10px; }
  .hero-note { margin-top: 23px; font-size: 8px; }
  .hero-note b { padding-inline: 2px; }
  .hero-visual { min-height: 325px; margin: 3px -15px -12px; transform: scale(.8); transform-origin: center; }
  .float-card-top { right: 0; }
  .float-card-bottom { left: 2px; }
  .scroll-cue { display: none; }
  .services, .downloads { padding: 71px 0; }
  .section-heading { display: block; margin-bottom: 27px; }
  .section-heading h2, .downloads h2 { font-size: 33px; }
  .section-intro { margin-top: 14px; font-size: 12px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; padding: 21px 19px; }
  .service-card h3 { margin-top: 13px; }
  .service-card p { min-height: auto; }
  .approach { padding: 68px 0 72px; }
  .approach-grid { grid-template-columns: 1fr; gap: 33px; }
  .approach-art { min-height: 285px; transform: none; }
  .art-frame { height: 270px; }
  .approach h2 { font-size: 37px; }
  .downloads-heading { align-items: flex-start; margin-bottom: 25px; }
  .downloads-heading .section-intro { max-width: 300px; }
  .downloads-badge { display: none; }
  .download-tools { align-items: stretch; flex-direction: column; gap: 10px; }
  .search-box { min-height: 34px; }
  .filter-list { gap: 2px; }
  .filter-button { padding: 8px 10px; }
  .download-grid { grid-template-columns: 1fr; gap: 9px; padding-top: 15px; }
  .download-card { min-height: 112px; }
  .contact { padding-top: 57px; }
  .contact-inner { min-height: 0; align-items: flex-start; flex-direction: column; gap: 23px; padding-bottom: 34px; }
  .contact-actions { gap: 12px; }
  .contact h2 { font-size: 38px; }
  .contact-footnote { gap: 11px; font-size: 8px; }
  .contact-footnote span:last-child { text-align: right; }
  .footer-inner { min-height: 82px; flex-wrap: wrap; justify-content: space-between; padding-block: 14px; }
  .footer-inner > p { order: 1; width: 100%; margin: 0; }
  .downloads-page-hero { padding: 58px 0 63px; }
  .downloads-catalog { padding: 54px 0; }
  .download-access { padding: 45px 0 55px; }
  .download-access-container { padding: 21px; }
  .download-logout { align-self: flex-start; }
  .audio-notice { padding: 43px 0; }
  .audio-notice-inner { align-items: flex-start; flex-direction: column; gap: 20px; }
  .games-hero { padding: 55px 0 49px; }
  .games-hero-inner { align-items: flex-start; flex-direction: column; gap: 25px; }
  .games-hero h1 { font-size: 45px; }
  .games-hero-inner > div:first-child > p:last-child { font-size: 12px; }
  .games-hero-card { width: 130px; height: 130px; align-self: center; }
  .hero-checker:nth-child(1)::after, .hero-checker:nth-child(3)::after, .hero-checker:nth-child(6)::after, .hero-checker:nth-child(8)::after, .hero-checker:nth-child(9)::after, .hero-checker:nth-child(11)::after, .hero-checker:nth-child(14)::after, .hero-checker:nth-child(16)::after { width: 14px; height: 14px; }
  .games-auth-section { padding: 35px 0 60px; }
  .games-auth-card { padding: 18px; }
  .games-auth-forms { grid-template-columns: 1fr; gap: 10px; }
  .social-login-list { display: grid; grid-template-columns: 1fr; }
  .social-login-button { justify-content: flex-start; }
  .player-welcome { align-items: flex-start; }
  .player-welcome h2 { font-size: 26px; }
  .player-stats { grid-template-columns: repeat(2, 1fr); gap: 7px; }
  .player-stat { padding: 11px; }
  .games-lobby-grid { grid-template-columns: 1fr; }
  .games-panel { padding: 16px; }
  .invite-form { align-items: stretch; flex-direction: column; }
  .invite-form .button { align-self: flex-start; }
  .game-list-row { align-items: flex-start; }
  .game-list-actions { flex-direction: column; }
  .checkers-panel { padding: 15px; }
  .checkers-heading h2 { font-size: 21px; }
  .checkers-game-layout { grid-template-columns: 1fr; }
  .checkers-rules { order: -1; }
  .checkers-board { border-width: 3px; }
  .future-games { padding-top: 40px; }
  .future-games h2 { font-size: 23px; }
  .future-game-grid { grid-template-columns: 1fr; }
  .future-game-grid article { min-height: 110px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}