/* Good Code Consulting — site styles */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { font-family: inherit; }

.container { max-width: 1120px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
}
.site-header.is-scrolled .brand {
  color: var(--fg-muted);
}
.site-header.is-scrolled .brand:hover {
  color: var(--fg);
}

.site-header.is-scrolled .brand__mark {
  color: var(--fg-muted);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border: 1px solid color-mix(in srgb, var(--fg-muted) 20%, transparent);
}

.site-header.is-scrolled .site-nav__link { color: var(--fg-muted); }
.site-header.is-scrolled .site-nav__link:hover { color: var(--fg); }
.site-header.is-scrolled .site-nav__link:focus { color: var(--fg-muted); }
.site-header.is-scrolled .site-nav__link.is-active { color: var(--fg-muted); }

.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; color: var(--fg); letter-spacing: -.01em; font-size: 18px; }
.brand__mark { width: 28px; height: 28px; border-radius: 6px; background: var(--primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 14px; font-weight: 700; }
.brand__logo { height: 38px; display: block; }
.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav__link { font-size: 15px; font-weight: 500; color: var(--fg-muted); transition: color .15s ease; }
.site-nav__link:hover { color: var(--fg); }
.site-nav__link.is-active { color: var(--primary); }

/* transparent header over dark hero */
.site-header--hero { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom-color: transparent; }
.site-header--hero .brand, .site-header--hero .brand__mark { color: #fff; }
.site-header--hero .brand__mark { background: rgba(255,255,255,.15); }
.site-header--hero .site-nav__link { color: var(--fg-on-dark-muted); }
.site-header--hero .site-nav__link:hover { color: #fff; }
.site-header--hero .site-nav__link.is-active { color: #fff; }

/* ---- Buttons ---- */
.gcbtn {
  font-family: var(--font-body); font-weight: 600;
  border: 1px solid transparent; border-radius: var(--r-md);
  cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  white-space: nowrap;
  transition: transform .16s cubic-bezier(.2,.7,.2,1), background .16s ease, box-shadow .16s ease, border-color .16s ease, color .16s ease;
  text-decoration: none;
  line-height: 1.2;
}
.gcbtn__arr { font-family: var(--font-mono); font-size: .95em; transition: transform .16s ease; }
.gcbtn:hover .gcbtn__arr { transform: translateX(3px); }
.gcbtn--sm { font-size: 14px; padding: 8px 15px; }
.gcbtn--md { font-size: 15px; padding: 11px 20px; }
.gcbtn--lg { font-size: 16px; padding: 14px 26px; }
.gcbtn--accent { background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow-accent); }
.gcbtn--accent:hover { background: var(--accent-hover); transform: translateY(-1px); }
.gcbtn--accent:active { background: var(--accent-press); transform: translateY(0); }
.gcbtn--primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-xs); }
.gcbtn--primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.gcbtn--primary:active { background: var(--primary-press); transform: translateY(0); }
.gcbtn--outline { background: transparent; color: var(--primary); border-color: var(--border-strong); }
.gcbtn--outline:hover { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 5%, transparent); }
.gcbtn--ghost { background: transparent; color: var(--primary); }
.gcbtn--ghost:hover { background: var(--n-100); }

/* ---- Eyebrow ---- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ---- Hero ---- */
.hero { position: relative; padding: 124px 0 92px; background-color: var(--bg); transition: background-color .25s ease; }
.hero--grid { background-image: radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--dusk-blue) 11%, transparent) 1px, transparent 0); background-size: 26px 26px; }
.hero--dark { background-color: var(--bg-inverse); color: var(--fg-on-dark); margin-top: -74px; padding-top: 138px; }
.hero--dark.hero--grid { background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.055) 1px, transparent 0); }
.hero__inner { position: relative; }
.hero__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(48px, 7vw, 80px); line-height: 1.02; letter-spacing: -.03em; margin: 4px 0 0; color: var(--fg); }
.hero__lead { font-size: 21px; line-height: 1.5; color: var(--fg-muted); max-width: 620px; margin: 26px 0 0; }
.hero__actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero__note { font-size: 15px; color: var(--fg-subtle); margin-top: 30px; max-width: 520px; padding-top: 22px; border-top: 1px solid var(--border); }
.hero--dark .hero__title { color: var(--fg-on-dark); }
.hero--dark .hero__lead { color: var(--fg-on-dark-muted); }
.hero--dark .hero__note { color: var(--fg-on-dark-muted); border-top-color: var(--border-on-dark); }
.hero--dark .gcbtn--outline { color: var(--fg-on-dark); border-color: var(--border-on-dark); }
.hero--dark .gcbtn--outline:hover { color: #fff; border-color: var(--fg-on-dark); background: rgba(255,255,255,.07); }

/* ---- Sections ---- */
.section { padding: 88px 0; }
.section--tight { padding: 56px 0 88px; }
.section--sunken { background: var(--bg-sunken); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(30px, 4vw, 42px); line-height: 1.12; letter-spacing: -.02em; margin: 0 0 14px; color: var(--fg); max-width: 760px; }
.section__lead { font-size: 19px; line-height: 1.55; color: var(--fg-muted); max-width: 640px; margin: 0 0 8px; }

/* ---- Service grid ---- */
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 40px; }
.svc-card { position: relative; text-align: left; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 28px 28px 26px; cursor: pointer; font-family: inherit; color: inherit; display: flex; flex-direction: column; align-items: flex-start; overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .18s cubic-bezier(.2,.7,.2,1), box-shadow .18s ease, border-color .18s ease; }
.svc-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s cubic-bezier(.2,.7,.2,1); }
.svc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.svc-card:hover::before { transform: scaleX(1); }
.svc-card__icon { width: 46px; height: 46px; border-radius: var(--r-md); background: color-mix(in srgb, var(--primary) 9%, transparent); color: var(--primary); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.svc-card__icon svg { width: 23px; height: 23px; }
.svc-card__title { font-family: var(--font-display); font-weight: 600; font-size: 21px; letter-spacing: -.01em; color: var(--fg); margin-bottom: 9px; }
.svc-card__blurb { font-size: 15.5px; line-height: 1.55; color: var(--fg-muted); margin-bottom: 18px; }
.svc-card__more { margin-top: auto; font-family: var(--font-mono); font-size: 13px; color: var(--primary); }

/* ---- Principles ---- */
.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 48px; margin-top: 44px; }
.principle__num { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.principle__t { font-family: var(--font-display); font-weight: 600; font-size: 21px; letter-spacing: -.01em; margin: 8px 0 8px; color: var(--fg); }
.principle__d { font-size: 16px; line-height: 1.6; color: var(--fg-muted); margin: 0; max-width: 460px; }

/* ---- CTA band ---- */
.cta-band { background: var(--bg-inverse); position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 1px 1px, rgba(255,255,255,.05) 1px, transparent 0) 0 0 / 26px 26px; pointer-events: none; }
.cta-band__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 64px 32px; flex-wrap: wrap; }
.cta-band .eyebrow { color: var(--pearl-aqua); }
.cta-band__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(26px, 3.4vw, 36px); line-height: 1.18; letter-spacing: -.02em; color: var(--fg-on-dark); margin: 0; max-width: 680px; }

/* ---- Footer ---- */
.site-footer { background: var(--dusk-blue-900); color: var(--fg-on-dark-muted); padding-top: 56px; }
.site-footer__inner { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; padding-bottom: 40px; }
.site-footer__brand { max-width: 320px; }
.site-footer__brand .brand { color: var(--fg-on-dark); }
.site-footer__brand .brand__mark { background: rgba(255,255,255,.12); color: #fff; }
.site-footer__logo { height: 48px; display: block; }
.site-footer__tag { font-family: var(--font-display); font-size: 15px; color: var(--fg-on-dark); margin: 16px 0 0; }
.site-footer__cols { display: flex; gap: 64px; flex-wrap: wrap; }
.site-footer__col { display: flex; flex-direction: column; gap: 10px; }
.site-footer__h { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-on-dark); margin-bottom: 4px; }
.site-footer__col a { font-size: 14.5px; color: var(--fg-on-dark-muted); transition: color .15s ease; }
.site-footer__col a:hover { color: var(--fg-on-dark); }
.site-footer__legal { border-top: 1px solid var(--border-on-dark); padding-top: 22px; padding-bottom: 28px; font-size: 13px; color: var(--fg-on-dark-muted); }

/* ---- Page head ---- */
.page-head { padding-top: 72px; padding-bottom: 8px; }
.page-head__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(38px, 5.4vw, 58px); line-height: 1.04; letter-spacing: -.03em; margin: 2px 0 0; color: var(--fg); max-width: 880px; }
.page-head__meta { font-family: var(--font-mono); font-size: 13px; color: var(--fg-subtle); margin: 16px 0 0; }
.page-head__lead { font-size: 20px; line-height: 1.55; color: var(--fg-muted); max-width: 720px; margin: 22px 0 0; }
.breadcrumb { display: block; background: none; border: none; cursor: pointer; font-family: var(--font-mono); font-size: 13px; color: var(--fg-subtle); padding: 40px 32px 0; margin: 0 auto; max-width: 1120px; width: 100%; text-align: left; }
.breadcrumb:hover { color: var(--primary); }

/* ---- Service detail ---- */
.detail-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: start; }
.detail-list { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 20px; }
.detail-list li { font-size: 16.5px; line-height: 1.6; color: var(--fg-muted); padding-left: 20px; border-left: 2px solid var(--border); }
.detail-list strong { color: var(--fg); font-weight: 600; }
.detail-aside { background: var(--bg-sunken); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 28px; position: sticky; top: 98px; }
.check-list { list-style: none; padding: 0; margin: 6px 0 22px; display: flex; flex-direction: column; gap: 14px; }
.check-list li { display: flex; gap: 11px; font-size: 15px; line-height: 1.5; color: var(--fg-muted); }
.check-list svg { width: 18px; height: 18px; color: var(--pearl-aqua); flex: none; margin-top: 2px; stroke-width: 2.4; }

/* ---- Partners ---- */
.partners { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }
.partner { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; box-shadow: var(--shadow-sm); }
.partner__t { font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: -.01em; margin: 0 0 8px; color: var(--fg); }
.partner__d { font-size: 15px; line-height: 1.55; color: var(--fg-muted); margin: 0; }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field__label { font-size: 13.5px; font-weight: 600; color: var(--fg); }
.field__input { font-family: var(--font-body); font-size: 15.5px; color: var(--fg); padding: 12px 14px; border: 1px solid var(--border-strong); border-radius: var(--r-md); background: var(--bg-elevated); transition: border-color .15s ease, box-shadow .15s ease; width: 100%; }
.field__input::placeholder { color: var(--n-400); }
.field__input:focus { outline: none; border-color: var(--pacific-blue); box-shadow: 0 0 0 3px var(--focus-ring); }
.field__input--area { resize: vertical; min-height: 130px; font-family: inherit; }
.contact-form .gcbtn { align-self: flex-start; }
.contact-aside { display: flex; flex-direction: column; gap: 18px; background: var(--bg-sunken); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 26px; }
.contact-aside__row { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--fg-muted); }
.contact-aside__row a { color: var(--primary); }
.contact-aside__row a:hover { color: var(--link-hover); }
.contact-aside__row svg { width: 19px; height: 19px; color: var(--primary); flex: none; }

.contact-sent { background: var(--bg-sunken); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 40px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.contact-sent__icon { width: 52px; height: 52px; border-radius: 50%; background: color-mix(in srgb, var(--pearl-aqua) 30%, #fff); color: #1f7a61; display: flex; align-items: center; justify-content: center; margin-bottom: 6px; }
.contact-sent__icon svg { width: 26px; height: 26px; }
.contact-sent h3 { font-family: var(--font-display); font-weight: 600; font-size: 22px; margin: 0; color: var(--fg); }
.contact-sent p { font-size: 15.5px; color: var(--fg-muted); margin: 0 0 14px; max-width: 360px; }

/* ---- Markdown content (about, services) ---- */
.prose { max-width: 760px; font-size: 17px; line-height: 1.65; color: var(--fg-muted); }
.prose h2 { font-family: var(--font-display); font-weight: 600; font-size: 28px; letter-spacing: -.02em; color: var(--fg); margin: 48px 0 12px; }
.prose h3 { font-family: var(--font-display); font-weight: 600; font-size: 21px; letter-spacing: -.01em; color: var(--fg); margin: 32px 0 10px; }
.prose p { margin: 0 0 16px; }
.prose ul { margin: 0 0 20px; padding-left: 20px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--fg); font-weight: 600; }
.prose a { color: var(--primary); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose a:hover { color: var(--accent); }

/* ---- Responsive ---- */
@media (max-width: 820px) {
  .svc-grid, .principles, .partners, .detail-grid, .contact-grid, .field-row { grid-template-columns: 1fr; }
  .detail-aside { position: static; }
  .site-nav { gap: 18px; }
  .site-nav__link { display: none; }
  .hero { padding: 100px 0 72px; }
  .hero--dark { padding-top: 116px; }
  .section { padding: 64px 0; }
  .section--tight { padding: 40px 0 64px; }
  .cta-band__inner { padding: 48px 0; }
  .site-footer__cols { gap: 32px; }
}