/* ============================================================
   PROJECT STANDARD — Terra Design Studio
   Source of truth: project-parallelstraat.html
   Link AFTER project-detail.css, BEFORE the page <style> block.
   Covers every project detail page.
============================================================ */

body { overflow-x: hidden; }

/* ── Header: transparent over hero ───────────────────────── */
.site-header--project {
  background: transparent !important;
  border-bottom-color: transparent !important;
  box-shadow: none !important;
  color: var(--clr-white);
}
.site-header--project.nav-is-open .site-header__logo-img {
  filter: brightness(0) invert(1) !important;
}
.site-header--project.nav-is-open .logo-circle {
  filter: brightness(0) invert(1) !important;
}
.site-header--project.nav-is-open .logo-name {
  color: var(--clr-white) !important;
}

/* ── Bottom-left project summary ─────────────────────────── */
.ph-summary {
  position: fixed;
  bottom: var(--sp-8);
  left: var(--sp-8);
  z-index: 10;
  font-size: 0.75rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.45);
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.ph-summary.is-hidden { opacity: 0; }
@media (max-width: 900px) { .ph-summary { display: none; } }

/* ══════════════════════════════════════════════════════════
   HERO — split: left 65% image · right 35% sliding panels
════════════════════════════════════════════════════════════ */
.ph-section {
  position: relative;
  height: 100vh;
  background: var(--clr-dark);
  overflow: hidden;
}

.ph-left {
  position: absolute;
  inset: 0 35% 0 0;
  overflow: hidden;
}

.ph-left__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  animation: ph-img-in 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

@keyframes ph-img-in {
  from { transform: scale(1.06); }
  to   { transform: scale(1); }
}

.ph-category {
  position: absolute;
  bottom: var(--sp-8);
  left: var(--sp-8);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  z-index: 2;
}

.ph-right {
  position: absolute;
  inset: 0 0 0 65%;
  overflow: hidden;
  background: #ffffff;
}

.ph-track {
  display: flex;
  flex-direction: row;
  height: 100%;
  width: 200%;
  will-change: transform;
}

.ph-panel {
  flex: 0 0 50%;
  height: 100%;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-h) + var(--sp-12)) var(--sp-10) var(--sp-10);
  overflow-y: auto;
  box-sizing: border-box;
}

@media (max-width: 1200px) { .ph-panel { padding-inline: var(--sp-8); } }

/* ── Panel 1: title intro ────────────────────────────────── */
.ph-panel--intro {
  animation: ph-panel-in 0.85s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
  animation-delay: 0.1s;
}

@keyframes ph-panel-in {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}

.ph-eyebrow {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}
.ph-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-accent);
  flex-shrink: 0;
}

.ph-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  font-weight: var(--fw-bold);
  color: var(--clr-dark);
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-5);
}

.ph-desc {
  font-size: var(--fs-base);
  line-height: var(--lh-loose);
  color: var(--clr-fg-muted);
  max-width: 36ch;
  margin-bottom: var(--sp-8);
}

.ph-scroll-cue {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-top: var(--sp-2);
}
.ph-scroll-cue__label {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-fg-muted);
}
.ph-scroll-cue__line {
  width: 48px;
  height: 1px;
  background: var(--clr-border);
  position: relative;
  overflow: hidden;
}
.ph-scroll-cue__line::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%;
  height: 100%;
  background: var(--clr-accent);
  animation: scroll-line 1.4s ease-in-out 0.8s infinite;
}
@keyframes scroll-line {
  0%   { left: -100%; }
  100% { left: 100%; }
}

/* ── Panel 2: metadata ───────────────────────────────────── */
.ph-meta-eyebrow {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-fg-muted);
  margin-bottom: var(--sp-6);
}

.ph-meta-list {
  list-style: none;
  margin: 0; padding: 0;
  border-top: 1px solid var(--clr-border);
}

.ph-meta-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: var(--sp-3);
  align-items: baseline;
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--clr-border);
}

.ph-meta-label {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-fg-muted);
}

.ph-meta-value {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-dark);
}

.ph-meta-actions {
  margin-top: var(--sp-8);
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* ══════════════════════════════════════════════════════════
   CONTENT LAYOUT — ib-* system
   Source of truth: project-parallelstraat.html
════════════════════════════════════════════════════════════ */

/* ── Text block ──────────────────────────────────────────── */
.ib-text {
  padding: var(--sp-20) var(--layout-right) var(--sp-12) var(--layout-left);
  max-width: 720px;
}

.ib-text__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-accent);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}
.ib-text__label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-accent);
  flex-shrink: 0;
}

.ib-text__heading {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: var(--fw-bold);
  color: var(--clr-dark);
  letter-spacing: -0.03em;
  line-height: var(--lh-tight);
  margin-bottom: var(--sp-6);
}

.ib-text__body {
  font-size: var(--fs-base);
  line-height: var(--lh-loose);
  color: var(--clr-fg-muted);
}
.ib-text__body p + p { margin-top: var(--sp-5); }

/* ── Full-bleed image ────────────────────────────────────── */
.ib-full {
  width: 100%;
  overflow: hidden;
  position: relative;
  background: var(--clr-dark);
}

.ib-full img {
  width: 100%;
  height: auto;
  display: block;
}

.ib-full--vh {
  height: 85vh;
  min-height: 500px;
}
.ib-full--vh img {
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.ib-full__label {
  position: absolute;
  top: var(--sp-8);
  left: var(--gutter);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

/* ── Diagram (white bg, padded) ──────────────────────────── */
.ib-diagram {
  padding: var(--sp-12) var(--layout-right) var(--sp-12) var(--layout-left);
  margin-block: var(--sp-12);
}

.ib-diagram img {
  width: 100%;
  height: auto;
  display: block;
}

.ib-diagram--col img {
  width: auto;
  max-width: calc(50% - var(--sp-4));
  height: auto;
  margin-inline: auto;
}

.ib-diagram__caption {
  font-size: var(--fs-xs);
  color: var(--clr-fg-muted);
  letter-spacing: 0.04em;
  text-align: center;
  margin-top: var(--sp-3);
}

/* ── 2-column grid ───────────────────────────────────────── */
.ib-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}

.ib-grid-2 img {
  width: 100%;
  height: auto;
  display: block;
}

.ib-grid-2--padded {
  gap: var(--sp-8);
  padding: var(--sp-12) var(--layout-right) var(--sp-12) var(--layout-left);
}
.ib-grid-2--padded img { border: 1px solid var(--clr-border); }

.ib-grid-2--interiors {
  padding-inline: var(--layout-left) var(--layout-right);
  box-sizing: border-box;
  margin-block: var(--sp-12);
}
.ib-grid-2--interiors img { width: 100%; height: auto; display: block; }

.ib-grid-2--sections {
  gap: var(--sp-8);
  padding-inline: var(--layout-left) var(--layout-right);
  margin-block: var(--sp-12);
}
.ib-grid-2--sections img { width: 100%; height: auto; display: block; }

/* ── Caption row ─────────────────────────────────────────── */
.ib-caption-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: var(--sp-3) var(--layout-right) var(--sp-8) var(--layout-left);
}

.ib-caption-row__item {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-fg-muted);
  padding-inline: var(--sp-3);
}

.ib-grid-2--sections + .ib-caption-row {
  padding-inline: var(--layout-left) var(--layout-right);
}

/* ── Text + image split ──────────────────────────────────── */
.ib-split {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--layout-gap);
  padding: var(--sp-16) var(--layout-right) var(--sp-16) var(--layout-left);
  align-items: start;
}

.ib-split__img {
  width: 100%;
  height: auto;
  display: block;
}

.ib-split__stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}
.ib-split__stack figure { margin: 0; }
.ib-split__stack img { width: 100%; height: auto; display: block; }

.ib-split--img-wide {
  grid-template-columns: 1fr 1.6fr;
}

/* ── Divider ─────────────────────────────────────────────── */
.ib-divider {
  height: 1px;
  background: var(--clr-border);
  margin-block: var(--sp-8);
  margin-inline: var(--layout-left);
}

/* ── Reveal animation ────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  /* hero collapses to vertical stack */
  .ph-section { height: auto; overflow: visible; }
  .ph-left { position: relative; inset: auto; width: 100%; height: 60vw; min-height: 260px; }
  .ph-right { position: relative; inset: auto; width: 100%; height: auto; overflow: visible; }
  .ph-track { flex-direction: column; width: 100%; transform: none !important; }
  .ph-panel { flex: none; width: 100%; height: auto; padding: var(--sp-8) var(--gutter); justify-content: flex-start; }
  .ph-panel--intro { display: none; }
  .ph-panel--meta { border-top: none; }
  .ph-meta-item {
    grid-template-columns: 100px 1fr;
    gap: var(--sp-5);
    padding: var(--sp-4) 0;
  }

  /* ib-* system */
  .ib-full { margin-block: 0; }
  .ib-text { padding-inline: 6vw; }
  .ib-split,
  .ib-split--img-wide {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
    padding-block: var(--sp-12);
    padding-inline: 6vw;
  }
  .ib-diagram { padding-inline: 6vw; }
  .ib-diagram--col img { max-width: 100%; }
  .ib-grid-2,
  .ib-grid-2--padded,
  .ib-grid-2--interiors,
  .ib-grid-2--sections { grid-template-columns: 1fr; padding-inline: 6vw; }
  .ib-caption-row { grid-template-columns: 1fr; gap: var(--sp-2); padding-inline: 6vw; }
  .ib-divider { margin-inline: 6vw; }
  .ib-full--vh { height: 60vw; }
}

@media (max-width: 768px) {
  .ph-panel--intro {
    display: flex !important;
    animation: none;
    padding-top: calc(var(--header-h) + var(--sp-6));
  }
  .ph-scroll-cue { display: none; }
  .ph-left { height: 52vw; min-height: 220px; }
  .ph-panel { padding: var(--sp-6) 1rem; }
}

@media (max-width: 480px) {
  .ph-title { font-size: clamp(1.75rem, 7vw, 2.25rem); }
  .ph-desc  { font-size: var(--fs-sm); margin-bottom: var(--sp-3); max-width: none; }
  .ph-panel { padding: var(--sp-5) 1rem; }
  .ph-meta-item {
    grid-template-columns: 90px 1fr;
    gap: var(--sp-4);
  }
}