:root {
  --space: #020815;
  --space-2: #06142b;
  --navy: #0a234b;
  --blue: #1769e0;
  --blue-2: #2f8cff;
  --cyan: #68d7ff;
  --ice: #dceeff;
  --white: #f7fbff;
  --muted: #9fb9d5;
  --line: rgba(104, 215, 255, 0.17);
  --glass: rgba(7, 26, 58, 0.58);
  --glass-strong: rgba(4, 18, 43, 0.82);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  --radius-xl: 30px;
  --radius-lg: 20px;
  --radius-md: 13px;
  --max-width: 1200px;
  --nav-height: 80px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + 18px); }
body {
  min-height: 100vh;
  background: var(--space);
  color: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: .17;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.11'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}
.star-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle at 10% 20%, rgba(255,255,255,.8) 0 1px, transparent 1.5px),
    radial-gradient(circle at 31% 78%, rgba(104,215,255,.75) 0 1px, transparent 1.6px),
    radial-gradient(circle at 70% 15%, rgba(255,255,255,.65) 0 1px, transparent 1.5px),
    radial-gradient(circle at 84% 62%, rgba(47,140,255,.8) 0 1px, transparent 1.6px),
    radial-gradient(circle at 54% 45%, rgba(255,255,255,.7) 0 1px, transparent 1.4px),
    radial-gradient(circle at 17% 63%, rgba(255,255,255,.55) 0 1px, transparent 1.6px),
    linear-gradient(180deg, #020815 0%, #06142b 54%, #031023 100%);
  background-size: 210px 210px, 270px 270px, 330px 330px, 390px 390px, 450px 450px, 510px 510px, auto;
}
a { color: inherit; }
img, svg { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.container { width: min(var(--max-width), calc(100% - 2.4rem)); margin-inline: auto; }

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 10000; transform: translateY(-190%);
  background: var(--cyan); color: #001225; padding: .75rem 1rem; border-radius: 999px; text-decoration: none;
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 900; min-height: var(--nav-height);
  background: rgba(2, 8, 21, .76); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px);
}
.nav { min-height: var(--nav-height); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .78rem; text-decoration: none; min-width: max-content; }
.brand-mark { width: 42px; height: 42px; position: relative; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(104,215,255,.3); background: rgba(23,105,224,.1); }
.brand-core { width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 20px rgba(104,215,255,.9); }
.brand-orbit { position: absolute; width: 31px; height: 15px; border: 1px solid rgba(47,140,255,.72); border-radius: 50%; transform: rotate(-28deg); }
.brand-text { display: grid; gap: .1rem; }
.brand-name { font-family: Georgia, "Times New Roman", serif; color: var(--ice); font-size: 1.08rem; letter-spacing: .02em; }
.brand-tagline { color: rgba(159,185,213,.62); font-size: .56rem; letter-spacing: .16em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; justify-content: flex-end; gap: .25rem; list-style: none; }
.nav-link { display: inline-flex; align-items: center; min-height: 42px; padding: .55rem .72rem; border-radius: 999px; color: rgba(220,238,255,.7); font-size: .67rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; text-decoration: none; transition: .2s ease; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.active { color: var(--white); background: rgba(47,140,255,.13); outline: none; }
.nav-cta { border: 1px solid rgba(104,215,255,.28); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: rgba(255,255,255,.03); color: var(--white); }
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 4px auto; background: currentColor; border-radius: 10px; transition: .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

main { background: radial-gradient(circle at 16% 8%, rgba(23,105,224,.14), transparent 30rem), radial-gradient(circle at 85% 28%, rgba(104,215,255,.08), transparent 28rem); }
section { position: relative; padding: 6rem 0; }
.hero { min-height: 100vh; display: grid; align-items: center; overflow: hidden; padding-top: calc(var(--nav-height) + 4rem); padding-bottom: 5rem; }
.hero.compact { min-height: auto; padding-top: calc(var(--nav-height) + 5rem); padding-bottom: 4rem; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.eyebrow { color: var(--cyan); font-size: .68rem; font-weight: 800; letter-spacing: .27em; text-transform: uppercase; opacity: .86; margin-bottom: 1rem; }
.hero-title, .section-title { font-family: Georgia, "Times New Roman", serif; font-weight: 700; line-height: .98; text-wrap: balance; }
.hero-title { max-width: 780px; font-size: clamp(3.5rem, 8.3vw, 7rem); letter-spacing: -.045em; margin-bottom: 1.35rem; }
.hero-title em, .section-title em { color: var(--cyan); font-style: italic; }
.lead { max-width: 690px; color: rgba(220,238,255,.76); font-size: 1rem; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 48px; border: 1px solid transparent; border-radius: 999px; padding: .8rem 1.22rem; font-size: .71rem; font-weight: 800; letter-spacing: .11em; text-decoration: none; text-transform: uppercase; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); outline: none; }
.button-primary { background: linear-gradient(135deg, var(--blue), var(--blue-2)); color: white; box-shadow: 0 14px 36px rgba(23,105,224,.3); }
.button-primary:hover { box-shadow: 0 18px 44px rgba(23,105,224,.44); }
.button-secondary { border-color: rgba(104,215,255,.33); color: var(--cyan); background: rgba(104,215,255,.06); }
.button-secondary:hover { background: rgba(104,215,255,.12); border-color: rgba(104,215,255,.65); }
.button-small { min-height: 42px; padding: .65rem .95rem; }

.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .85rem; margin-top: 2rem; }
.stat-card, .glass-card { border: 1px solid var(--line); background: var(--glass); box-shadow: 0 14px 50px rgba(0,0,0,.18); backdrop-filter: blur(12px); }
.stat-card { border-radius: var(--radius-lg); padding: 1.1rem; }
.stat-number { display: block; color: var(--cyan); font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; line-height: 1; }
.stat-label { display: block; margin-top: .45rem; color: rgba(159,185,213,.72); font-size: .6rem; line-height: 1.6; letter-spacing: .09em; text-transform: uppercase; }

/* Solar system */
.solar-wrap { position: relative; min-height: 590px; display: grid; place-items: center; }
.solar-system { position: relative; width: min(92vw, 560px); aspect-ratio: 1; border-radius: 50%; filter: drop-shadow(0 30px 60px rgba(0,0,0,.4)); }
.sun { position: absolute; left: 50%; top: 50%; width: 68px; height: 68px; transform: translate(-50%,-50%); border-radius: 50%; background: radial-gradient(circle at 34% 30%, #fff7c4 0 9%, #ffd45d 30%, #ff9c24 66%, #df5a00 100%); box-shadow: 0 0 34px rgba(255,178,48,.85), 0 0 90px rgba(255,131,25,.28); z-index: 10; }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(104,215,255,.17); border-radius: 50%; transform: translate(-50%,-50%); animation: orbitSpin linear infinite; }
.orbit::before { content: ""; position: absolute; left: 50%; top: -5px; width: var(--planet); height: var(--planet); border-radius: 50%; transform: translateX(-50%); background: var(--planet-bg); box-shadow: 0 0 14px var(--planet-glow); }
.orbit-1 { width: 118px; height: 118px; --planet: 8px; --planet-bg: #acb5bd; --planet-glow: rgba(172,181,189,.5); animation-duration: 6s; }
.orbit-2 { width: 168px; height: 168px; --planet: 12px; --planet-bg: #e6a96d; --planet-glow: rgba(230,169,109,.5); animation-duration: 9s; }
.orbit-3 { width: 220px; height: 220px; --planet: 13px; --planet-bg: radial-gradient(circle at 35% 35%, #93e9ff 0 20%, #2676de 45%, #0b3a88 75%); --planet-glow: rgba(47,140,255,.85); animation-duration: 13s; }
.orbit-4 { width: 278px; height: 278px; --planet: 11px; --planet-bg: #c7603e; --planet-glow: rgba(199,96,62,.5); animation-duration: 18s; }
.orbit-5 { width: 350px; height: 350px; --planet: 24px; --planet-bg: linear-gradient(#c89d6c 0 24%, #e3c69d 25% 44%, #a97045 45% 55%, #e7c693 56% 70%, #9d714f 71%); --planet-glow: rgba(214,172,119,.5); animation-duration: 28s; }
.orbit-6 { width: 418px; height: 418px; --planet: 21px; --planet-bg: #d7bb7c; --planet-glow: rgba(215,187,124,.48); animation-duration: 35s; }
.orbit-6::after { content:""; position:absolute; left:50%; top:-8px; width:31px; height:9px; border:2px solid rgba(225,204,151,.75); border-radius:50%; transform:translateX(-50%) rotate(-12deg); }
.orbit-7 { width: 482px; height: 482px; --planet: 16px; --planet-bg: #7dd6dc; --planet-glow: rgba(125,214,220,.5); animation-duration: 44s; }
.orbit-8 { width: 540px; height: 540px; --planet: 15px; --planet-bg: #557bd4; --planet-glow: rgba(85,123,212,.55); animation-duration: 54s; }
.solar-note { position: absolute; right: 1%; bottom: 4%; width: min(270px, 70%); border: 1px solid var(--line); background: rgba(2,8,21,.78); border-radius: var(--radius-lg); padding: 1rem; box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.solar-note strong { display: block; color: var(--cyan); font-family: Georgia, "Times New Roman", serif; font-size: 1.2rem; margin-bottom: .3rem; }
.solar-note span { color: rgba(220,238,255,.68); font-size: .71rem; line-height: 1.6; }
@keyframes orbitSpin { to { transform: translate(-50%,-50%) rotate(360deg); } }

.marquee { overflow: hidden; padding: .85rem 0; background: linear-gradient(90deg, #0a3e88, #1769e0, #0a3e88); border-block: 1px solid rgba(255,255,255,.07); }
.marquee-track { display: flex; gap: 2.5rem; width: max-content; animation: marquee 30s linear infinite; }
.marquee span { color: rgba(247,251,255,.8); font-size: .63rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; white-space: nowrap; }
@keyframes marquee { to { transform: translateX(-50%); } }

.surface-deep { background: linear-gradient(180deg, rgba(4,18,43,.82), rgba(7,28,61,.82)); border-block: 1px solid rgba(104,215,255,.06); }
.section-head { max-width: 790px; margin-bottom: 3rem; }
.section-title { font-size: clamp(2.45rem, 5vw, 4.35rem); margin-bottom: 1rem; }
.section-copy { color: rgba(220,238,255,.7); font-size: .91rem; line-height: 1.86; }
.divider { width: 4rem; height: 1px; margin: 1.35rem 0; background: rgba(104,215,255,.5); }
.kicker { color: var(--cyan); font-size: .64rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; margin-bottom: .7rem; }

.about-home-grid, .split-grid { display: grid; grid-template-columns: minmax(280px,.82fr) minmax(0,1.18fr); gap: clamp(2rem,6vw,5rem); align-items: start; }
.profile-panel { position: sticky; top: calc(var(--nav-height) + 1.4rem); }
.profile-card { border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--glass); padding: 1.4rem; box-shadow: var(--shadow); }
.profile-glyph { width: 110px; height: 110px; display:grid; place-items:center; border-radius: 50%; margin-bottom: 1.25rem; border:1px solid rgba(104,215,255,.28); background: radial-gradient(circle, rgba(47,140,255,.22), rgba(4,18,43,.92)); font-family: Georgia, serif; font-size: 2.2rem; color: var(--cyan); box-shadow: inset 0 0 45px rgba(47,140,255,.12); }
.profile-card h3 { font-family: Georgia, serif; font-size: 1.7rem; margin-bottom: .5rem; }
.profile-card p { color: rgba(220,238,255,.66); line-height: 1.8; font-size: .79rem; }
.profile-tags { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1rem; }
.pill { display:inline-flex; width:fit-content; border-radius:999px; padding:.42rem .72rem; background:rgba(47,140,255,.13); color:var(--cyan); border:1px solid rgba(104,215,255,.13); font-size:.57rem; font-weight:800; letter-spacing:.11em; text-transform:uppercase; }
.prose { display:grid; gap:1.2rem; }
.prose p { color: rgba(220,238,255,.74); line-height: 1.9; font-size: .93rem; }
.prose h2, .prose h3 { font-family: Georgia, serif; line-height:1.15; }
.prose h2 { font-size: clamp(2rem,4vw,3rem); margin-top:1.2rem; }
.prose h3 { font-size:1.35rem; color:var(--ice); margin-top:.8rem; }
.prose a { color:var(--cyan); }
.notice { border:1px solid rgba(104,215,255,.18); border-left:4px solid var(--cyan); border-radius:var(--radius-md); background:rgba(47,140,255,.08); padding:1rem; color:rgba(220,238,255,.75); line-height:1.75; font-size:.8rem; }

.card-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1rem; }
.info-card { position:relative; min-height:100%; overflow:hidden; border:1px solid var(--line); border-radius:var(--radius-xl); background:rgba(4,18,43,.48); padding:1.4rem; transition:transform .25s ease, background .25s ease, border-color .25s ease; }
.info-card:hover { transform:translateY(-5px); background:rgba(8,40,88,.58); border-color:rgba(104,215,255,.35); }
.info-card::before { content:attr(data-number); position:absolute; top:-.3rem; right:1rem; color:rgba(104,215,255,.09); font-family:Georgia,serif; font-size:5rem; font-weight:700; line-height:1; }
.card-icon { position:relative; width:46px; height:46px; display:grid; place-items:center; margin-bottom:1.1rem; border-radius:14px; border:1px solid rgba(104,215,255,.18); color:var(--cyan); background:rgba(47,140,255,.1); font-weight:900; }
.card-title { position:relative; font-family:Georgia,serif; font-size:1.4rem; line-height:1.2; margin-bottom:.7rem; }
.card-copy { position:relative; color:rgba(220,238,255,.68); font-size:.78rem; line-height:1.82; }
.card-link { position:relative; display:inline-flex; margin-top:1rem; color:var(--cyan); font-size:.65rem; font-weight:800; letter-spacing:.11em; text-transform:uppercase; text-decoration:none; }
.card-link:hover { text-decoration:underline; }

.service-detail { display:grid; grid-template-columns:72px minmax(0,1fr); gap:1.2rem; align-items:start; padding:1.35rem 0; border-bottom:1px solid rgba(104,215,255,.09); }
.service-number { width:56px; height:56px; display:grid; place-items:center; border-radius:50%; border:1px solid rgba(104,215,255,.3); color:var(--cyan); background:rgba(47,140,255,.09); font-family:Georgia,serif; font-size:1.1rem; }
.service-detail h3 { font-family:Georgia,serif; font-size:1.5rem; margin-bottom:.55rem; }
.service-detail p { color:rgba(220,238,255,.68); line-height:1.82; font-size:.82rem; }
.service-list { display:flex; flex-wrap:wrap; gap:.45rem; list-style:none; margin-top:.8rem; }
.service-list li { border:1px solid rgba(104,215,255,.12); border-radius:999px; padding:.35rem .6rem; color:rgba(220,238,255,.72); background:rgba(255,255,255,.025); font-size:.62rem; }

.book-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1.2rem; }
.book-card { display:grid; grid-template-columns:150px minmax(0,1fr); gap:1.25rem; border:1px solid var(--line); border-radius:var(--radius-xl); background:var(--glass); padding:1.35rem; box-shadow:0 20px 60px rgba(0,0,0,.16); }
.book-cover { min-height:220px; display:grid; align-content:space-between; border-radius:14px; padding:1rem; background:linear-gradient(145deg,#0b2e66,#06142b 72%); border:1px solid rgba(104,215,255,.2); box-shadow:0 18px 38px rgba(0,0,0,.35); }
.book-cover small { color:var(--cyan); text-transform:uppercase; letter-spacing:.16em; font-size:.55rem; }
.book-cover strong { font-family:Georgia,serif; font-size:1.35rem; line-height:1.08; }
.book-cover span { color:rgba(220,238,255,.6); font-size:.62rem; }
.book-content h2, .book-content h3 { font-family:Georgia,serif; font-size:1.65rem; margin-bottom:.6rem; }
.book-content p { color:rgba(220,238,255,.68); line-height:1.82; font-size:.8rem; }
.book-content .button { margin-top:1rem; }

.cta-panel { display:grid; grid-template-columns:minmax(0,1.25fr) auto; gap:2rem; align-items:center; border:1px solid rgba(104,215,255,.22); border-radius:var(--radius-xl); background:linear-gradient(135deg,rgba(23,105,224,.17),rgba(4,18,43,.72)); padding:clamp(1.5rem,4vw,2.4rem); box-shadow:var(--shadow); }
.cta-panel h2 { font-family:Georgia,serif; font-size:clamp(2rem,4vw,3.2rem); margin-bottom:.7rem; }
.cta-panel p { color:rgba(220,238,255,.7); line-height:1.8; max-width:760px; }

.contact-grid { display:grid; grid-template-columns:minmax(0,.85fr) minmax(340px,1.15fr); gap:clamp(1rem,4vw,3rem); align-items:start; }
.contact-card, .contact-form { border:1px solid var(--line); border-radius:var(--radius-xl); background:var(--glass); padding:1.45rem; }
.contact-card h2, .contact-form h2 { font-family:Georgia,serif; font-size:1.8rem; margin-bottom:.7rem; }
.contact-card p { color:rgba(220,238,255,.68); font-size:.82rem; line-height:1.82; margin-bottom:1rem; }
.contact-list { display:grid; gap:.75rem; list-style:none; color:rgba(220,238,255,.72); font-size:.78rem; line-height:1.6; }
.contact-list a { color:var(--cyan); }
.form-grid { display:grid; gap:1rem; margin-top:1rem; }
.two-col { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; }
.input-group { display:grid; gap:.45rem; }
.input-group label { color:rgba(220,238,255,.78); font-size:.67rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
.input-group input, .input-group select, .input-group textarea { width:100%; border:1px solid rgba(104,215,255,.18); border-radius:var(--radius-md); background:rgba(255,255,255,.045); color:var(--white); padding:.88rem .92rem; outline:none; transition:.2s ease; }
.input-group input:focus, .input-group select:focus, .input-group textarea:focus { border-color:rgba(104,215,255,.62); background:rgba(255,255,255,.075); box-shadow:0 0 0 3px rgba(47,140,255,.08); }
.input-group select option { background:#06142b; color:white; }
.input-group textarea { min-height:150px; resize:vertical; }
.honeypot { position:absolute !important; left:-10000px !important; width:1px !important; height:1px !important; overflow:hidden !important; }
.form-error { color:#ffc0c0; font-size:.7rem; line-height:1.5; }
.alert { border-radius:var(--radius-md); padding:1rem; margin-bottom:1rem; font-size:.8rem; line-height:1.7; }
.alert-success { border:1px solid rgba(95,235,175,.3); background:rgba(50,180,120,.12); color:#caffea; }
.alert-error { border:1px solid rgba(255,125,125,.28); background:rgba(190,55,55,.12); color:#ffdada; }

.site-footer { background:#01050d; border-top:1px solid var(--line); padding:4rem 0 2rem; }
.footer-grid { display:grid; grid-template-columns:minmax(260px,1.25fr) repeat(3,minmax(0,.75fr)); gap:2rem; align-items:start; }
.footer-logo { font-family:Georgia,serif; font-size:2rem; color:var(--cyan); margin-bottom:.6rem; }
.footer-copy-main { max-width:460px; color:rgba(159,185,213,.55); font-size:.72rem; line-height:1.8; }
.footer-title { color:rgba(104,215,255,.75); font-size:.59rem; font-weight:800; letter-spacing:.19em; text-transform:uppercase; margin-bottom:.9rem; }
.footer-links { display:grid; gap:.58rem; list-style:none; }
.footer-links a { color:rgba(220,238,255,.5); font-size:.72rem; text-decoration:none; }
.footer-links a:hover { color:var(--cyan); }
.footer-bottom { display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; margin-top:3rem; padding-top:1.3rem; border-top:1px solid rgba(104,215,255,.08); color:rgba(159,185,213,.34); font-size:.6rem; letter-spacing:.06em; }

.fade-up { opacity:0; transform:translateY(26px); transition:opacity .65s ease, transform .65s ease; }
.fade-up.visible { opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior:auto !important; animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .fade-up { opacity:1; transform:none; }
}
@media (max-width: 1000px) {
  .nav-toggle { display:inline-grid; place-items:center; }
  .nav-links { position:absolute; top:calc(var(--nav-height) - 1px); left:1.2rem; right:1.2rem; display:grid; gap:.35rem; border:1px solid var(--line); border-radius:var(--radius-lg); background:rgba(2,8,21,.97); padding:.75rem; box-shadow:var(--shadow); transform:translateY(-10px); opacity:0; pointer-events:none; transition:.2s ease; }
  .nav-links.open { transform:translateY(0); opacity:1; pointer-events:auto; }
  .nav-link { width:100%; justify-content:center; }
  .hero-grid, .about-home-grid, .split-grid, .contact-grid { grid-template-columns:1fr; }
  .solar-wrap { min-height:520px; order:-1; }
  .profile-panel { position:static; }
  .card-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .footer-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .cta-panel { grid-template-columns:1fr; }
  .book-grid { grid-template-columns:1fr; }
}
@media (max-width: 680px) {
  :root { --nav-height:72px; }
  .container { width:min(100% - 1.4rem, var(--max-width)); }
  section { padding:4.4rem 0; }
  .brand-tagline { display:none; }
  .brand-name { font-size:.98rem; }
  .hero { padding-top:calc(var(--nav-height) + 2.5rem); }
  .hero-stats, .card-grid, .two-col, .footer-grid { grid-template-columns:1fr; }
  .solar-wrap { min-height:360px; }
  .solar-system { width:340px; }
  .orbit-5 { width:270px; height:270px; }
  .orbit-6 { width:310px; height:310px; }
  .orbit-7, .orbit-8 { display:none; }
  .solar-note { position:relative; right:auto; bottom:auto; width:100%; margin-top:1rem; }
  .book-card { grid-template-columns:1fr; }
  .book-cover { min-height:200px; }
  .service-detail { grid-template-columns:1fr; }
  .footer-grid { gap:1.6rem; }
}

/* 404 / site-rebuild page */
.error-page {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 5rem;
  overflow: hidden;
}
.error-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.error-code {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(6rem, 17vw, 12rem);
  font-weight: 700;
  line-height: .72;
  letter-spacing: -.08em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(104, 215, 255, .34);
  text-shadow: 0 0 55px rgba(23, 105, 224, .16);
  margin: .55rem 0 1.45rem;
}
.error-title {
  max-width: 780px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.8rem, 6.8vw, 5.7rem);
  line-height: .98;
  letter-spacing: -.04em;
  margin-bottom: 1.2rem;
}
.error-subcopy {
  max-width: 690px;
  margin-top: 1rem;
  color: rgba(159, 185, 213, .68);
  font-size: .88rem;
  line-height: 1.8;
}
.error-status {
  display: flex;
  align-items: flex-start;
  gap: .72rem;
  max-width: 690px;
  margin-top: 1.6rem;
  padding: .95rem 1rem;
  border: 1px solid rgba(104, 215, 255, .14);
  border-radius: var(--radius-md);
  background: rgba(47, 140, 255, .06);
  color: rgba(220, 238, 255, .64);
  font-size: .72rem;
  line-height: 1.65;
}
.status-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: .28rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(104, 215, 255, .85);
  animation: pulse 2.2s ease-in-out infinite;
}
.error-space {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
}
.error-solar-system {
  width: min(92vw, 520px);
  opacity: .92;
}
.lost-page-card {
  position: absolute;
  right: 1%;
  bottom: 7%;
  width: min(270px, 78%);
  border: 1px solid rgba(104, 215, 255, .2);
  border-radius: var(--radius-lg);
  background: rgba(2, 8, 21, .82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  padding: 1rem;
}
.lost-page-card strong {
  display: block;
  color: var(--cyan);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  margin-bottom: .35rem;
  letter-spacing: .04em;
}
.lost-page-card span {
  color: rgba(220, 238, 255, .62);
  font-size: .68rem;
  line-height: 1.65;
}
@media (max-width: 1000px) {
  .error-grid { grid-template-columns: 1fr; }
  .error-space { min-height: 480px; order: -1; }
}
@media (max-width: 680px) {
  .error-page { padding-top: calc(var(--nav-height) + 2.5rem); }
  .error-space { min-height: 330px; }
  .error-solar-system { width: 330px; }
  .lost-page-card { position: relative; right: auto; bottom: auto; width: 100%; margin-top: 1rem; }
  .error-code { font-size: clamp(5.5rem, 29vw, 8rem); }
}