/* ============================================================
   Reusable components: brand lockup, buttons, links, rules,
   header + navigation, form fields, before/after comparison.
   ============================================================ */


/* ------------------------------------------------------------
   Intro

   The loading bar is the same dimension line the rest of the site
   uses: hairline, end ticks, and a gold tick that travels to the
   right as it fills. "Measure twice" is what the wait is for.
   ------------------------------------------------------------ */

.intro {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  background: var(--c-white);

  /* Failsafe: if main.js never runs, the overlay still clears itself
     rather than sitting on top of the site forever. */
  animation: intro-failsafe 0s linear 6s forwards;
}

/* No script, no intro. The inline head script sets .js synchronously,
   so this never flashes for anyone. */
html:not(.js) .intro { display: none; }

.intro.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 550ms var(--ease-soft), visibility 0s linear 550ms;
}

@keyframes intro-failsafe {
  to { opacity: 0; visibility: hidden; pointer-events: none; }
}

body.intro-open { overflow: hidden; }

.intro__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.5rem, 4vh, 2.5rem);
  padding: var(--gutter);
}

/* Staggered entrance. The line starts invisible, which also hides the
   moment JavaScript swaps in the randomly chosen phrase. */
.intro__logo,
.intro__line,
.intro__rule { animation: intro-in 700ms var(--ease-out) both; }
.intro__line { animation-delay: 140ms; }
.intro__rule { animation-delay: 260ms; }

@keyframes intro-in {
  from { opacity: 0; translate: 0 10px; }
  to   { opacity: 1; translate: 0 0; }
}

.intro__logo {
  width: auto;
  height: clamp(5.5rem, 14vh, 8.5rem);
}

.intro__line {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.5rem);
  letter-spacing: 0.01em;
  color: var(--ink);
  text-align: center;
}

.intro__rule {
  position: relative;
  width: min(240px, 56vw);
  height: 1px;
  background: var(--line-strong);
}
/* End ticks, like a dimension line on a drawing */
.intro__rule::before,
.intro__rule::after {
  content: "";
  position: absolute;
  top: -4px;
  width: 1px;
  height: 9px;
  background: var(--line-strong);
}
.intro__rule::before { left: 0; }
.intro__rule::after { right: 0; }

.intro__fill {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 1px;
  background: var(--c-gold);
  /* Slow enough that the bar is visibly travelling for the whole read */
  transition: width 2100ms var(--ease-out);
}
/* Travelling tick at the leading edge */
.intro__fill::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 1px;
  height: 9px;
  background: var(--c-gold);
}

@media (prefers-reduced-motion: reduce) {
  .intro { display: none; }
}


/* ------------------------------------------------------------
   Brand lockup

   Redrawn from the master logo: black gable with a gold inner
   roofline, chimney with a gold cap, and the four-pane window.
   The wordmark keeps the logo's letterspaced serif "CONSTRUCTION"
   and the gold ampersand.
   ------------------------------------------------------------ */

.logo { display: block; }

.logo img {
  width: auto;
  height: 5rem;
  transition: height var(--dur-mid) var(--ease-soft);
}

/* The header condenses on scroll so the lockup can be generous at rest */
.site-header.is-scrolled .site-header__inner { height: 78px; }
.site-header.is-scrolled .logo img { height: 3.7rem; }

/* Footer: same lockup, light variant */
.logo--stacked img {
  width: clamp(9.5rem, 13vw, 12rem);
  height: auto;
}

/* On touch sizes the lockup does not shrink on scroll either. There is
   only one thing in the bar besides the menu button, so it gets the
   room. */
@media (max-width: 960px) {
  .logo img,
  .site-header.is-scrolled .logo img { height: 5.4rem; }
  .site-header.is-scrolled .site-header__inner { height: var(--header-h); }
}

@media (max-width: 400px) {
  .logo img,
  .site-header.is-scrolled .logo img { height: 4.9rem; }
}


/* ------------------------------------------------------------
   Buttons: square corners, gold sweeps in from the left
   ------------------------------------------------------------ */

.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.85rem;
  border: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  line-height: 1;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    color var(--dur-mid) var(--ease-soft),
    border-color var(--dur-mid) var(--ease-soft);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-mid) var(--ease-out);
}

.btn:hover::before,
.btn:focus-visible::before { transform: scaleX(1); }

.btn:active { translate: 0 1px; }

/* Comfortable tap targets on touch-sized viewports */
@media (max-width: 640px) {
  .btn { padding-block: 1.1rem; }
  .link-arrow { padding-block: 0.6rem; }
}

/* Solid: black block, sweeps to gold */
.btn--solid {
  background: var(--c-black);
  border-color: var(--c-black);
  color: var(--c-white);
}
.btn--solid:hover,
.btn--solid:focus-visible {
  color: var(--c-black);
  border-color: var(--c-gold);
}

/* Ghost: hairline outline, sweeps to gold */
.btn--ghost {
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  color: var(--c-black);
  border-color: var(--c-gold);
}

/* Gold: already gold, so it sweeps to black */
.btn--gold {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-black);
}
.btn--gold::before { background: var(--c-black); }
.btn--gold:hover,
.btn--gold:focus-visible {
  color: var(--c-white);
  border-color: var(--c-black);
}

/* Gold hairline outline, for the secondary action on a dark section */
.btn--outline-gold {
  border-color: var(--c-gold);
  color: var(--c-gold-rich);
}
.btn--outline-gold:hover,
.btn--outline-gold:focus-visible { color: var(--c-black); }


/* ------------------------------------------------------------
   Text link marked with the four-pane window from the logo
   ------------------------------------------------------------ */

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink);
  transition: color var(--dur-mid) var(--ease-soft);
}

/* Four gold panes in the corners of an 11px box, leaving a 2px cross
   of empty space between them. Drawn as four background gradients
   rather than the cut-out cross used on the process timeline, because
   this link sits on warm white, cream and charcoal, and a painted
   cross would have to know its background. This one does not. */
.link-arrow::before {
  content: "";
  flex: none;
  width: 11px;
  height: 11px;
  background-image:
    linear-gradient(var(--c-gold) 0 0),
    linear-gradient(var(--c-gold) 0 0),
    linear-gradient(var(--c-gold) 0 0),
    linear-gradient(var(--c-gold) 0 0);
  background-size: 4.5px 4.5px;
  background-repeat: no-repeat;
  background-position: 0 0, 100% 0, 0 100%, 100% 100%;
  transition: scale var(--dur-mid) var(--ease-out);
}

.link-arrow:hover,
.link-arrow:focus-visible { color: var(--c-gold-deep); }
.link-arrow:hover::before,
.link-arrow:focus-visible::before { scale: 1.18; }


/* ------------------------------------------------------------
   Gold rules
   ------------------------------------------------------------ */

.rule {
  width: 100%;
  max-width: 100%;
}
.rule--short { width: 64px; }


/* ------------------------------------------------------------
   Header + navigation
   ------------------------------------------------------------ */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background var(--dur-mid) var(--ease-soft),
    border-color var(--dur-mid) var(--ease-soft);
}

.site-header.is-scrolled {
  background: var(--c-white);
  border-bottom-color: var(--line);
}

.site-header__inner {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  transition: height var(--dur-mid) var(--ease-soft);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 2.4vw, 2.6rem);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1.3rem, 2.2vw, 2.3rem);
}

.nav__link {
  position: relative;
  display: inline-block;
  padding-block: 0.35rem;
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0.005em;
  color: var(--ink);
  transition: color var(--dur-fast) var(--ease-soft);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--dur-mid) var(--ease-out);
}

.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link.is-current::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.nav__link.is-current { color: var(--c-gold-deep); }

.nav__reach { display: none; }

.nav__phone {
  font-size: 0.92rem;
  font-weight: 400;
  white-space: nowrap;
  color: var(--ink-soft);
  transition: color var(--dur-fast) var(--ease-soft);
}
.nav__phone:hover { color: var(--c-gold-deep); }

.nav__phone--sms {
  position: relative;
  margin-left: 0.9rem;
  padding-left: 0.9rem;
  color: var(--c-gold-deep);
  font-weight: 500;
}
.nav__phone--sms::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  width: 1px;
  height: 1em;
  background: var(--line-strong);
}

@media (min-width: 1240px) {
  .nav__reach { display: inline-block; }
}

.nav__cta { padding: 0.85rem 1.5rem; }

/* Mobile trigger: a plain three-bar hamburger that folds into an X */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-right: -12px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.nav-toggle__bars {
  display: grid;
  gap: 6px;
  width: 26px;
}
.nav-toggle__bars i {
  display: block;
  height: 2px;
  background: var(--ink);
  transition: transform var(--dur-mid) var(--ease-out),
              opacity var(--dur-fast) linear;
}

[data-nav-toggle][aria-expanded="true"] .nav-toggle__bars i:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
[data-nav-toggle][aria-expanded="true"] .nav-toggle__bars i:nth-child(2) {
  opacity: 0;
}
[data-nav-toggle][aria-expanded="true"] .nav-toggle__bars i:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 960px) {

  .nav-toggle { display: inline-flex; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: -1;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--sp-6);
    padding: calc(var(--header-h) + var(--sp-6)) var(--gutter) var(--sp-8);
    background: var(--c-white);
    opacity: 0;
    visibility: hidden;
    /* visibility flips discretely at the end of the fade rather than
       being animated, which also stops the panel flashing when the
       viewport crosses this breakpoint on a resize. */
    transition: opacity var(--dur-mid) var(--ease-soft),
                visibility 0s linear var(--dur-mid);
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transition: opacity var(--dur-mid) var(--ease-soft),
                visibility 0s linear 0s;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }

  .nav__list li {
    width: 100%;
    border-top: 1px solid var(--line);
    opacity: 0;
    translate: 0 12px;
    transition: opacity 420ms var(--ease-out), translate 420ms var(--ease-out);
  }
  .nav__list li:last-child { border-bottom: 1px solid var(--line); }

  .nav.is-open .nav__list li { opacity: 1; translate: 0 0; }
  .nav.is-open .nav__list li:nth-child(1) { transition-delay: 80ms; }
  .nav.is-open .nav__list li:nth-child(2) { transition-delay: 130ms; }
  .nav.is-open .nav__list li:nth-child(3) { transition-delay: 180ms; }
  .nav.is-open .nav__list li:nth-child(4) { transition-delay: 230ms; }
  .nav.is-open .nav__list li:nth-child(5) { transition-delay: 280ms; }

  .nav__link {
    display: block;
    padding-block: 1rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: var(--ls-display);
  }
  .nav__link::after { display: none; }

  .nav__reach {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
  }
  .nav__phone {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--c-gold-deep);
  }
  .nav__phone--sms {
    margin-left: 0;
    padding-left: 0;
  }
  .nav__phone--sms::before { display: none; }

  .nav__cta { align-self: stretch; }
}

body.nav-open { overflow: hidden; }


/* ------------------------------------------------------------
   Form fields
   ------------------------------------------------------------ */

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--ink-on-dark-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0;
  border: 0;
  border-bottom: 1px solid var(--line-on-dark);
  border-radius: 0;
  background: transparent;
  color: var(--ink-on-dark);
  font-size: 0.95rem;
  font-weight: 300;
  transition: border-color var(--dur-mid) var(--ease-soft);
}

.field textarea {
  resize: vertical;
  min-height: 3.5rem;
  line-height: 1.6;
}

.field input::placeholder,
.field textarea::placeholder { color: var(--ink-on-dark-mute); }

.field input:hover,
.field select:hover,
.field textarea:hover { border-bottom-color: var(--ink-on-dark-mute); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--c-gold-rich);
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-bottom-width: 2px;
  border-bottom-color: var(--c-gold-rich);
}

.field select {
  appearance: none;
  padding-right: 1.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23E7A900' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
}
.field select option {
  background: var(--c-charcoal);
  color: var(--ink-on-dark);
}

.field--invalid input,
.field--invalid select,
.field--invalid textarea { border-bottom-color: #E0705A; }

.field__error {
  font-size: var(--fs-xs);
  color: #F0A092;
}


/* ------------------------------------------------------------
   Before / after comparison
   The handle reads as a plumb line dropped through the photograph.
   ------------------------------------------------------------ */

.compare { position: relative; }

/* One pair's source photographs are portrait. Rather than force them
   into the wide frame the other pairs use, this modifier keeps its
   own narrower width and a matching 3:4 ratio, so it reads as a tall
   inset next to the full-width pairs instead of a stretched crop.
   Two classes beats the single-class mobile override below on
   specificity alone, so this wins at every width without repeating
   the rule inside that media query. */
.compare--portrait {
  max-width: 26rem;
  margin-inline: auto;
}
.compare--portrait .compare__frame { aspect-ratio: 3 / 4; }

/* The caption's two-column grid (text + facts) assumes the ~1300px
   width the wide pairs have. .compare__facts is a wrapping flex row,
   so its max-content contribution to the `auto` column is both facts
   laid out on one line, ~330px, which starves the 1fr text column
   down to a sliver at this figure's 416px width. Stack instead, the
   same treatment the base rule already uses under 760px. */
.compare--portrait .compare__caption { grid-template-columns: 1fr; }

/* --ratio is set per pair on the element, so each comparison keeps the
   framing its own photographs were shot in. */
.compare__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: var(--ratio, 16 / 10);
  background: var(--c-gray);
  touch-action: pan-y;
  user-select: none;
  cursor: ew-resize;
}

.compare__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.compare__img--before {
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}

.compare__tag {
  position: absolute;
  bottom: 1.1rem;
  z-index: 3;
  padding: 0.45rem 0.85rem;
  background: rgba(36, 36, 38, 0.86);
  color: var(--ink-on-dark);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  pointer-events: none;
}
.compare__tag--before { left: 1.1rem; }
.compare__tag--after  { right: 1.1rem; }

.compare__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  z-index: 4;
  width: 44px;
  translate: -50% 0;
  display: grid;
  place-items: center;
  cursor: ew-resize;
  touch-action: none;
}

/* The line itself */
.compare__handle::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  translate: -50% 0;
  background: var(--c-gold-rich);
}

/* Square knob carrying the four-pane window from the logo. It replaced
   two vertical ticks, which read as a pause button. Drag is still
   signalled by the ew-resize cursor on the whole frame and by the hint
   under the photograph. */
.compare__knob {
  position: relative;
  width: 34px;
  height: 34px;
  background: var(--c-black);
  border: 1px solid var(--c-gold-rich);
  transition: scale var(--dur-mid) var(--ease-out);
}
.compare__knob::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 13px;
  height: 13px;
  translate: -50% -50%;
  background-image:
    linear-gradient(var(--c-gold-rich) 0 0),
    linear-gradient(var(--c-gold-rich) 0 0),
    linear-gradient(var(--c-gold-rich) 0 0),
    linear-gradient(var(--c-gold-rich) 0 0);
  background-size: 5.5px 5.5px;
  background-repeat: no-repeat;
  background-position: 0 0, 100% 0, 0 100%, 100% 100%;
}

.compare__handle:hover .compare__knob,
.compare__handle:focus-visible .compare__knob { scale: 1.12; }

.compare__handle:focus-visible { outline: none; }
.compare__handle:focus-visible .compare__knob {
  outline: 2px solid var(--c-gold-rich);
  outline-offset: 4px;
}

.compare.is-dragging .compare__img--before,
.compare.is-dragging .compare__handle { transition: none; }

/* Caption sits under each comparison: story on the left, facts right */
.compare__caption {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-3) clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line-strong);
}
.compare__caption h3 {
  font-size: var(--fs-h4);
  margin-bottom: 0.5rem;
}
.compare__caption p {
  max-width: 62ch;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.compare__hint {
  margin-top: var(--sp-4);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
  color: var(--ink-mute);
}

@media (max-width: 760px) {
  .compare__caption { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .compare__frame { aspect-ratio: 4 / 3; }
  .compare__tag { bottom: 0.7rem; padding: 0.35rem 0.6rem; }
  .compare__tag--before { left: 0.7rem; }
  .compare__tag--after  { right: 0.7rem; }
}