/* AMORETTI — COMPONENTS */

/* ============ HEADER ============ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: var(--space-sm) 0;
  transition: background var(--duration-med) var(--ease-out),
              padding var(--duration-med) var(--ease-out),
              border-color var(--duration-med) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-header.is-scrolled {
  background: rgba(26, 23, 18, 0.94);
  backdrop-filter: blur(6px);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-line-dark);
}

.site-header:not(.is-scrolled) { color: var(--color-canvas); }
.site-header.is-scrolled { color: var(--color-canvas); }

/* Pages without a dark hero start solid immediately */
.site-header.is-solid-default {
  background: var(--color-ink);
  border-bottom: 1px solid var(--color-line-dark);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  color: inherit;
}
.logo img {
  display: block;
  height: 26px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav__list {
  display: flex;
  gap: var(--space-md);
}

.main-nav__list a {
  font-size: var(--size-small);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 3px;
}

.main-nav__list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px;
  width: 0;
  background: currentColor;
  transition: width var(--duration-fast) var(--ease-out);
}
.main-nav__list a:hover::after,
.main-nav__list a[aria-current="page"]::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px; height: 1px;
  background: currentColor;
}

@media (max-width: 860px) {
  .main-nav__list { display: none; }
  .nav-toggle { display: flex; }
  .site-header .btn--outline { display: none; }

  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    background: var(--color-ink);
    overflow-y: auto;
    padding-block: var(--space-lg);
  }
  .main-nav.is-open { display: flex; }

  .main-nav.is-open .main-nav__list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }
  .main-nav.is-open .main-nav__list a {
    font-family: var(--font-display);
    font-style: italic;
    font-size: var(--size-h3);
    text-transform: none;
    letter-spacing: 0;
  }
  .main-nav.is-open .btn--outline {
    display: inline-flex;
    color: var(--color-canvas);
  }
}

.nav-toggle span { transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out); }
.nav-toggle[aria-expanded="true"] { position: relative; z-index: 91; }
.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); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: var(--size-small);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.9rem 1.6rem;
  border: 1px solid currentColor;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.btn svg { width: 14px; height: 14px; transition: transform var(--duration-fast) var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }

.btn--primary {
  background: var(--color-canvas);
  color: var(--color-ink);
  border-color: var(--color-canvas);
}
.btn--primary:hover { background: var(--color-oak); border-color: var(--color-oak); color: var(--color-canvas); }

.btn--outline {
  background: transparent;
  color: inherit;
}
.btn--outline:hover { background: rgba(255,255,255,0.1); }

.btn--dark {
  background: var(--color-ink);
  color: var(--color-canvas);
  border-color: var(--color-ink);
}
.btn--dark:hover { background: var(--color-oak); border-color: var(--color-oak); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--size-small);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 4px;
}
.link-arrow svg { width: 13px; height: 13px; transition: transform var(--duration-fast) var(--ease-out); }
.link-arrow:hover svg { transform: translateX(3px); }

/* ============ ANNOTATION FRAME ============ */
/* Corner-bracket frame around imagery, evoking a joinery / architectural
   drawing tag rather than a decorative border. This is the site's
   signature motif. */
.annotated-frame {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.annotated-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.annotated-frame::before,
.annotated-frame::after,
.annotated-frame .bracket-tr,
.annotated-frame .bracket-bl {
  content: "";
  position: absolute;
  width: 22px; height: 22px;
  border-color: var(--color-oak-pale);
  z-index: 2;
}
.annotated-frame::before { top: -1px; left: -1px; border-top: 1px solid; border-left: 1px solid; }
.annotated-frame::after { bottom: -1px; right: -1px; border-bottom: 1px solid; border-right: 1px solid; }

/* ============ TITLE BLOCK (project meta) ============ */
.title-block {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--size-small);
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-xs);
}
.title-block dt {
  color: var(--color-muted);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.title-block dd { margin: 0; color: var(--color-charcoal); }

@media (max-width: 640px) {
  .title-block { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-sm); }
}

/* ============ SECTION RHYTHM ============ */
.section {
  padding-block: var(--space-xl);
}
.section--tight { padding-block: var(--space-lg); }
.section--dark {
  background: var(--color-ink);
  color: var(--color-canvas);
}
.section--deep {
  background: var(--color-canvas-deep);
}

.section-head {
  max-width: var(--measure-wide);
  margin-bottom: var(--space-lg);
}
.section-head p {
  margin-top: var(--space-sm);
  max-width: var(--measure);
  color: var(--color-muted);
  font-size: var(--size-body-lg);
}
.section--dark .section-head p { color: var(--color-muted-dark); }

/* ============ FOOTER ============ */
.site-footer {
  background: var(--color-ink);
  color: var(--color-muted-dark);
  padding-block: var(--space-xl) var(--space-lg);
}
.site-footer .logo { color: var(--color-canvas); margin-bottom: var(--space-md); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line-dark);
}

.footer-col h3 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-canvas);
  margin-bottom: var(--space-sm);
  font-weight: 400;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a:hover { color: var(--color-canvas); }

.footer-tagline {
  max-width: 26ch;
  font-size: var(--size-small);
  margin-top: var(--space-xs);
}

.footer-social {
  display: flex;
  gap: 0.625rem;
  padding-top: 4px;
}
.footer-social a {
  display: flex;
}
.footer-social a svg { width: 32px; height: 32px; }
.footer-social a:hover { color: var(--color-canvas); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  font-size: var(--size-small);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
}

/* ============ REVEAL ON SCROLL (restrained) ============ */
/* Default: fully visible. Only animate if JS actually ran (html.js,
   set synchronously in <head>) — true progressive enhancement so
   no-JS visitors and non-evergreen renderers never see hidden content. */
.reveal {
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
}
html.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ INTERIOR PAGE HEAD ============ */
/* Used by Windows/Doors/Screens/Projects/etc. Sits directly under a
   solid header (no photo) — the photo comes in the feature-band below. */
.page-head {
  padding-block: var(--space-2xl) var(--space-lg);
}
@media (max-width: 700px) {
  .page-head { padding-block: var(--space-xl) var(--space-md); }
}
.page-head h1 {
  margin-top: var(--space-sm);
  max-width: 18ch;
}
.page-head__lede {
  margin-top: var(--space-md);
  max-width: 48ch;
  font-size: var(--size-body-lg);
  color: var(--color-muted);
}
.page-head__actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

/* ============ FULL-BLEED FEATURE BAND ============ */
.feature-band {
  width: 100%;
  aspect-ratio: 21 / 8;
  overflow: hidden;
}
.feature-band img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 700px) {
  .feature-band { aspect-ratio: 4 / 3; }
}