:root {
  --navy-950: #031326;
  --navy-900: #061a33;
  --navy-850: #082342;
  --navy-800: #0b2d52;
  --ink: #122238;
  --muted: #526173;
  --paper: #f7f5f1;
  --white: #ffffff;
  --line: #d9dee5;
  --gold: #c98a3a;
  --gold-light: #e1ad66;
  --focus: #f4b85d;
  --max: 1180px;
  --shadow: 0 18px 50px rgba(2, 18, 35, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
a:hover { text-decoration-thickness: 2px; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }

.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 14px; top: 10px; z-index: 1000; padding: 10px 14px; background: var(--white); color: var(--navy-950); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(3, 19, 38, .98); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.08); }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; flex-direction: column; width: 118px; text-decoration: none; line-height: 1; }
.brand-gcq { font-size: 2rem; font-weight: 800; letter-spacing: .04em; }
.brand-rule { width: 82px; height: 2px; margin: 3px 0 5px; background: var(--gold); }
.brand-name { font-size: .78rem; letter-spacing: .06em; }
.primary-nav { display: flex; align-items: center; gap: 28px; font-size: .86rem; text-transform: uppercase; letter-spacing: .025em; }
.primary-nav > a:not(.button) { position: relative; text-decoration: none; padding: 12px 0; }
.primary-nav > a:not(.button)::after { content: ""; position: absolute; left: 0; bottom: 5px; width: 0; height: 2px; background: var(--gold); transition: width .2s ease; }
.primary-nav > a:not(.button):hover::after, .primary-nav > a.is-current::after { width: 100%; }
.nav-toggle { display: none; border: 0; background: transparent; padding: 10px; }
.nav-toggle span:not(.sr-only) { display: block; width: 26px; height: 2px; margin: 5px; background: var(--white); }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; padding: 11px 20px; border-radius: 3px; border: 1px solid transparent; text-decoration: none; font-weight: 700; letter-spacing: .02em; }
.button-primary, .button-login { background: var(--gold); color: #101820; border-color: var(--gold-light); }
.button-primary:hover, .button-login:hover { background: var(--gold-light); }
.button-outline { color: var(--white); border-color: var(--gold); background: transparent; }
.button-outline:hover { background: rgba(201, 138, 58, .13); }
.button-login { color: var(--white); min-height: 48px; padding-inline: 18px; }

.hero { color: var(--white); background: linear-gradient(110deg, var(--navy-900) 0%, var(--navy-950) 58%, #020b14 100%); overflow: hidden; }
.hero-grid { min-height: 548px; display: grid; grid-template-columns: .9fr 1.35fr; align-items: stretch; }
.hero-copy { padding: 74px 56px 70px 0; display: flex; flex-direction: column; justify-content: center; }
.eyebrow { margin: 0 0 9px; color: #7b5a35; font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.eyebrow-gold { color: var(--gold-light); }
.hero h1 { margin: 0 0 18px; font-size: clamp(3rem, 5vw, 5.4rem); line-height: .92; letter-spacing: -.035em; text-transform: uppercase; }
.hero .eyebrow { color: var(--gold-light); }
.hero-lede { max-width: 625px; margin: 0; font-size: 1.08rem; color: #ecf0f4; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-visual { margin: 0; min-width: 0; position: relative; }
.hero-visual::after { content: ""; position: absolute; inset: 0; box-shadow: inset 42px 0 50px -40px rgba(2, 13, 25, .95); pointer-events: none; }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.section { padding: 86px 0; }
.section-light { background: var(--paper); }
.section-heading { max-width: 700px; margin-bottom: 44px; }
.section h2, .legal-section h2 { margin: 0 0 14px; font-size: clamp(2rem, 3.1vw, 3rem); line-height: 1.08; letter-spacing: -.025em; }
.section-heading > p:last-child, .section-intro { font-size: 1.08rem; color: var(--muted); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #bdc5cf; border-bottom: 1px solid #bdc5cf; }
.steps li { padding: 31px 28px 35px; border-right: 1px solid #bdc5cf; }
.steps li:last-child { border-right: 0; }
.step-number { display: block; margin-bottom: 23px; color: var(--gold); font-size: 1.1rem; font-weight: 800; letter-spacing: .08em; }
.steps h3 { margin: 0 0 12px; font-size: 1.25rem; text-transform: uppercase; }
.steps p { margin: 0; color: #465567; }

.section-dark { background: var(--navy-950); color: var(--white); }
.security-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px 76px; }
.section-dark .section-intro { color: #cbd4df; }
.security-items { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid rgba(255,255,255,.16); }
.security-items article { padding: 25px; border-bottom: 1px solid rgba(255,255,255,.14); border-right: 1px solid rgba(255,255,255,.14); }
.security-items article:nth-child(even) { border-right: 0; }
.security-items article:nth-child(n+3) { border-bottom: 0; }
.security-items h3 { margin: 0 0 8px; color: var(--gold-light); font-size: 1.05rem; }
.security-items p { margin: 0; color: #d7dee8; font-size: .96rem; }
.login-boundary { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.16); }
.login-boundary p { margin: 0; }

.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 76px; align-items: start; }
.about-grid p { max-width: 740px; }
.book-principles { display: grid; gap: 10px; padding: 28px; border: 1px solid #c6cbd2; background: #fff; box-shadow: var(--shadow); }
.book-principles span { padding: 10px 14px; border-left: 4px solid var(--gold); background: #f5f2ec; font-weight: 800; letter-spacing: .035em; text-transform: uppercase; }

.section-contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.contact-email { margin-top: 22px; font-size: clamp(1.2rem, 2vw, 1.65rem); font-weight: 750; }
.contact-email a { color: #9c642a; text-underline-offset: 4px; }
.contact-note { padding: 28px 32px; border-left: 4px solid var(--gold); background: var(--paper); }
.contact-note h3 { margin-top: 0; }
.contact-note a { color: #7e4e1b; font-weight: 750; }

.legal-section { padding: 24px 0 54px; background: #ece9e3; }
.legal-section details { max-width: 980px; margin: 0 auto 12px; border: 1px solid #c4c8cd; background: var(--white); }
.legal-section summary { cursor: pointer; list-style: none; padding: 18px 22px; font-weight: 800; color: var(--navy-900); }
.legal-section summary::-webkit-details-marker { display: none; }
.legal-section summary::after { content: "+"; float: right; color: var(--gold); font-size: 1.35rem; line-height: 1; }
.legal-section details[open] summary::after { content: "−"; }
.legal-copy { padding: 0 22px 20px; color: #445366; }
.legal-copy p:last-child { margin-bottom: 0; }
.legal-copy a { color: #80501d; font-weight: 700; }

.site-footer { padding: 31px 0; background: var(--navy-950); color: var(--white); text-align: center; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 0; }
.footer-nav a { padding: 0 22px; border-right: 1px solid rgba(255,255,255,.28); text-decoration: none; font-size: .9rem; text-transform: uppercase; }
.footer-nav a:last-child { border-right: 0; }
.copyright { margin-top: 20px; color: #cbd3dc; font-size: .92rem; }

@media (max-width: 980px) {
  .header-inner { min-height: 76px; }
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; inset: 76px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 16px 20px 22px; background: var(--navy-950); border-top: 1px solid rgba(255,255,255,.1); }
  .primary-nav.is-open { display: flex; }
  .primary-nav > a:not(.button) { padding: 13px 10px; }
  .primary-nav > a:not(.button)::after { display: none; }
  .primary-nav .button { margin-top: 10px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 62px 0 42px; }
  .hero-visual { height: 380px; margin-inline: -20px; }
  .hero-visual::after { box-shadow: inset 0 34px 44px -34px rgba(2, 13, 25, .95); }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(2) { border-right: 0; }
  .steps li:nth-child(-n+2) { border-bottom: 1px solid #bdc5cf; }
  .security-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 620px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .brand { width: 105px; }
  .brand-gcq { font-size: 1.7rem; }
  .hero-copy { padding-top: 50px; }
  .hero h1 { font-size: clamp(2.8rem, 16vw, 4.25rem); }
  .hero-visual { height: 300px; margin-inline: -14px; }
  .section { padding: 62px 0; }
  .steps { grid-template-columns: 1fr; }
  .steps li { border-right: 0; border-bottom: 1px solid #bdc5cf; }
  .steps li:nth-child(-n+3) { border-bottom: 1px solid #bdc5cf; }
  .steps li:last-child { border-bottom: 0; }
  .security-items { grid-template-columns: 1fr; }
  .security-items article, .security-items article:nth-child(even), .security-items article:nth-child(n+3) { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .security-items article:last-child { border-bottom: 0; }
  .login-boundary { align-items: stretch; flex-direction: column; }
  .login-boundary .button { width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .footer-nav { flex-direction: column; }
  .footer-nav a { border-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}