/* Quentin Petty — portfolio site */

:root {
  --bg: #0a0a09;
  --ink: #f2efe8;
  --line: #26261f;
  --muted: #97917f;
  --faint: #6d675a;
  --body-copy: #b5af9f;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--muted); }
::selection { background: var(--ink); color: var(--bg); }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

/* ============ COVER ============ */
.cover {
  position: fixed;
  inset: 0;
  background: var(--bg);
  overflow: hidden;
  z-index: 10;
}

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

.cover-meta {
  position: absolute;
  top: 40px;
  left: 40px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(242, 239, 232, 0.6);
}
.cover-meta a { color: rgba(242, 239, 232, 0.6); letter-spacing: 0.12em; }
.cover-meta a:hover { color: var(--ink); }

.cover-nav {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 40px 40px 40px;
  gap: 24px;
}

.cover-btn {
  font-family: var(--mono);
  font-size: clamp(24px, 4.5vw, 56px);
  font-weight: 400;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border: 1px solid rgba(242, 239, 232, 0.35);
  color: var(--ink);
  background: rgba(10, 10, 9, 0.25);
  user-select: none;
  transition: background 120ms linear, color 120ms linear;
}
.cover-btn:hover, .cover-btn:focus-visible {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

/* ============ PAGE SHELL ============ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: rgba(10, 10, 9, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.brand {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--ink);
}

.tabs { display: flex; gap: 32px; }

.tab {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  padding-bottom: 4px;
  color: var(--faint);
  border-bottom: 1px solid transparent;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--ink); }

/* ===== GRID ===== */
.page-head {
  padding: 64px 40px 24px 40px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.page-head h1 {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(40px, 7.5vw, 104px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 0.9;
  text-transform: uppercase;
}

.page-sub {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-align: right;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.card {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--bg);
  padding: 20px 20px 24px 20px;
}
.card:hover { background: #14140f; }

@supports (animation-timeline: view()) {
  .card {
    animation: growCard linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 32%;
  }
}

.card-img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: #0d0d0a;
  object-fit: cover;
}

.card-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-top: 14px;
}

.card-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.card-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}

.card-tag {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--faint);
}

.footer {
  padding: 32px 40px 48px 40px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--faint);
}

/* ===== DETAIL ===== */
.detail { padding: 48px 40px 80px 40px; }

.back-btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 8px 14px;
}
.back-btn:hover { background: var(--ink); color: var(--bg); }

.detail-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}

.detail-images { display: flex; flex-direction: column; gap: 16px; }

.detail-images img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: #0d0d0a;
}

.detail-info { position: sticky; top: 100px; }

.detail-kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.detail-info h2 {
  margin: 12px 0 0 0;
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  text-transform: uppercase;
}

.detail-price {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 18px;
  color: var(--ink);
}

.detail-desc {
  margin-top: 24px;
  max-width: 46ch;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--body-copy);
}

.inquire-btn {
  margin-top: 32px;
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  border: 1px solid var(--ink);
  padding: 14px 28px;
  cursor: pointer;
  user-select: none;
}
.inquire-btn:hover { background: var(--ink); color: var(--bg); }

/* ============ TRANSITIONS ============ */
.fx {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--bg);
  overflow: hidden;
}

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

.fx-flash { position: absolute; inset: 0; background: #f6f3ea; }

.fx-blink {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: #f6f3ea;
  pointer-events: none;
}

.wash-away {
  background: transparent;
  pointer-events: none;
  animation: washAway 950ms cubic-bezier(0.7, 0, 0.3, 1) forwards;
}

.negative { filter: invert(1) grayscale(0.3) contrast(1.35) hue-rotate(15deg); }
.to-negative { animation: toNegative 600ms ease-in forwards; }
.flash-pop { animation: flashPop 500ms ease-out forwards; }
.fx-blink.flash-pop { animation-duration: 320ms; }

/* ============ FILM GRAIN ============ */
.grain {
  position: fixed;
  inset: -4%;
  z-index: 100;
  pointer-events: none;
  opacity: 0.08;
  mix-blend-mode: overlay;
  background-image: url('data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%22300%22 height=%22300%22%3E%3Cfilter id=%22n%22%3E%3CfeTurbulence type=%22fractalNoise%22 baseFrequency=%220.9%22 numOctaves=%222%22/%3E%3C/filter%3E%3Crect width=%22300%22 height=%22300%22 filter=%22url(%23n)%22/%3E%3C/svg%3E');
  animation: none;
}

/* ============ KEYFRAMES ============ */
@keyframes toNegative {
  0% { filter: invert(0) contrast(1); }
  55%, 100% { filter: invert(1) grayscale(0.3) contrast(1.35) hue-rotate(15deg); }
}
@keyframes flashPop {
  0% { opacity: 0; }
  14% { opacity: 1; }
  100% { opacity: 0; }
}
@keyframes washAway {
  0% { opacity: 1; filter: blur(0px) brightness(1); }
  45% { opacity: 0.85; filter: blur(6px) brightness(1.25); }
  100% { opacity: 0; filter: blur(26px) brightness(1.7); }
}
@keyframes growCard {
  from { transform: scale(0.86); opacity: 0.55; }
  to { transform: scale(1); opacity: 1; }
}
@keyframes grainShift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -2%); }
  75% { transform: translate(-1%, -1%); }
  100% { transform: translate(0, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .grain { animation: none; }
  .card { animation: none; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-info { position: static; order: -1; }
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .topbar { padding: 16px 20px; }
  .page-head { padding: 48px 20px 20px 20px; flex-direction: column; align-items: flex-start; }
  .page-sub { text-align: left; }
  .detail { padding: 32px 20px 64px 20px; }
  .footer { padding: 24px 20px 40px 20px; }

  /* cover: show the whole image (no crop) and keep both buttons
     side by side at the bottom, smaller */
  .cover-img { object-fit: contain; }
  .cover-meta { top: 20px; left: 20px; font-size: 11px; }
  .cover-nav {
    flex-direction: row;
    align-items: flex-end;
    gap: 10px;
    padding: 0 16px 20px 16px;
  }
  .cover-btn {
    flex: 1;
    font-size: 14px;
    text-align: center;
    padding: 12px 6px;
    white-space: nowrap;
  }
}