/* site.css — layout, components, sections for borrington.com */

/* ---------- Layout containers ---------- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-10));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
  background: color-mix(in oklab, var(--color-bg) 94%, transparent);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}
.site-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-base);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
}
.site-mark:hover { color: var(--color-text); }
.site-mark__icon {
  display: block;
  width: 52px;
  height: 32px;
  flex: none;
  color: inherit;
}
@media (max-width: 719px) {
  .site-header__inner { gap: 8px; }
  .site-mark { gap: 9px; font-size: 13px; letter-spacing: 0.1em; }
  .site-mark__icon { width: 42px; height: 26px; }
  .theme-toggle, .menu-toggle { flex-shrink: 0; }
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}
@media (min-width: 960px) {
  .site-nav { display: flex; }
}
.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  padding-block: var(--space-2);
  border-bottom: 1px solid transparent;
}
.site-nav a:hover, .site-nav a:focus-visible {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-2); }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
}
@media (min-width: 960px) {
  .menu-toggle { display: none; }
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-4);
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.mobile-nav a {
  display: block;
  padding: var(--space-3) 0;
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-base);
  border-bottom: 1px solid var(--color-divider);
}

/* ---------- Section shell ---------- */
section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tinted { background: var(--color-surface-2); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-8);
  max-width: 22ch;
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 40ch;
}

.prose p + p { margin-top: var(--space-4); }
.prose p { color: var(--color-text); }
.prose a { color: var(--color-primary); }

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
@media (min-width: 900px) {
  .hero__grid { grid-template-columns: 1.05fr 1fr; }
}
.hero__eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-6);
}
.hero__title {
  font-size: var(--text-3xl);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin-bottom: var(--space-8);
  max-width: 14ch;
}
.hero__copy p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.55;
  max-width: 44ch;
}
.hero__copy p + p { margin-top: var(--space-4); }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero__image {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: var(--color-surface-offset);
}
.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}
@media (min-width: 900px) {
  .hero__image { aspect-ratio: 4 / 5; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85em 1.4em;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  min-height: 44px;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
}
[data-theme="dark"] .btn--primary { color: #0f1620; }
[data-theme="dark"] .btn--primary:hover { color: #0f1620; }

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

.btn__arrow { transition: transform var(--transition); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- Two-column layout ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
@media (min-width: 900px) {
  .two-col { grid-template-columns: 1fr 1fr; }
  .two-col--wide-left { grid-template-columns: 1.2fr 1fr; }
  .two-col--wide-right { grid-template-columns: 1fr 1.2fr; }
}

/* ---------- About ---------- */
.about__portrait {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.about__portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.pull-quote {
  margin-top: var(--space-10);
  padding: var(--space-6) var(--space-8);
  border-left: 3px solid var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.4;
  max-width: 42rem;
}

/* ---------- Capability blocks ---------- */
.capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-10);
}
@media (min-width: 640px) { .capability-grid { grid-template-columns: 1fr 1fr; } }

.capability {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.capability h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.capability p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- Service photos (then and now) ---------- */
.service-photos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-10);
  max-width: 780px;
}
@media (min-width: 720px) {
  .service-photos { gap: var(--space-8); }
}
.service-photo { margin: 0; }
.service-photo picture {
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}
.service-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* Gentle archival tone; the second photo overrides for a modern look */
  filter: saturate(0.85) contrast(0.98);
}
.service-photo:last-of-type img { filter: none; }
.service-photo figcaption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.5;
}

/* ---------- Service fact strip ---------- */
.fact-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding: var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
@media (min-width: 720px) { .fact-strip { grid-template-columns: repeat(4, 1fr); } }
.fact-strip__item {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.fact-strip__item strong {
  display: flex;
  align-items: flex-end;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-weight: 500;
  line-height: 1.15;
  min-height: calc(1.15em * 2);
  margin-bottom: var(--space-2);
}
[data-theme="dark"] .fact-strip__item strong { color: var(--color-accent); }
.fact-strip__item span {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-trap {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
.contact-form [hidden] { display: none !important; }
.contact-form button:disabled { opacity: 0.55; cursor: not-allowed; }
.contact-form [data-spam-check] { min-width: 0; max-width: 100%; }
.contact-form .form-note { overflow-wrap: anywhere; }
.contact-form .image-note { color: var(--color-text-muted); }

/* ---------- Writing / book ---------- */
.book {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-12));
  align-items: start;
}
@media (min-width: 780px) {
  .book { grid-template-columns: 260px 1fr; }
}
.book__cover {
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  background: var(--color-primary);
}
.book__cover img { width: 100%; height: 100%; object-fit: cover; }
.book__title {
  font-size: var(--text-xl);
  font-style: italic;
  margin-bottom: var(--space-4);
  max-width: 20ch;
}
.book__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* ---------- Credentials ---------- */
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.credential {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.credential__name {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
}
.credential__issuer {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.credential__status {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: auto;
}
.credential__status[data-status="expired"] { color: var(--color-text-muted); }

/* ---------- Contact form ---------- */
.contact-form {
  display: grid;
  gap: var(--space-4);
  max-width: 40rem;
  margin-top: var(--space-8);
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.field input, .field select, .field textarea {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
  min-height: 44px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 20%, transparent);
}
.field--check {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-3);
}
.field--check input { min-height: 0; margin-top: 0.3em; }
.field--check label { font-size: var(--text-sm); color: var(--color-text-muted); font-weight: 400; line-height: 1.5; }

.form-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}
.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
@media (min-width: 720px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  list-style: none;
}
.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
}
.footer-links a:hover { color: var(--color-text); }
.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 60ch;
}
.footer-copy {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Utilities ---------- */
.divider-rule {
  display: block;
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin-bottom: var(--space-6);
}

.image-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
  font-style: italic;
}

.action-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  text-decoration: none;
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--color-accent);
}
.action-link:hover { color: var(--color-primary-hover); }
.action-link .arrow { transition: transform var(--transition); }
.action-link:hover .arrow { transform: translateX(3px); }

/* ---------- Legal / privacy content pages ---------- */
.doc-page {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.doc-page h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-8);
}
.doc-page h2 {
  font-size: var(--text-lg);
  font-family: var(--font-body);
  font-weight: 600;
  margin-top: var(--space-10);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.doc-page p, .doc-page li {
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  max-width: 65ch;
}
.doc-page ul {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}