/*
 * Portfolder × Nolan Barrett blend
 * — Folder tabs, paper sheets, stamp frames (Portfolder)
 * — Precision spacing, quiet nav, editorial type (Nolan Barrett)
 */

html[data-theme="light"] {
  --page-bg: #eeece6;
  --paper: #faf8f4;
  --paper-edge: #ddd8ce;
  --hero-ink: #0a0a0b;
}

html[data-theme="dark"] {
  --page-bg: #0b0b0c;
  --paper: #161618;
  --paper-edge: rgba(255, 255, 255, 0.14);
  --hero-ink: #f5f5f4;
}

body {
  font-family: var(--font-ui);
}

/* —— Nolan: minimal top bar —— */
.topbar-blend {
  border-bottom-color: var(--border);
}

.topbar-blend .topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 10px;
  height: 10px;
  border: 1px solid var(--page-text);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.topbar-blend .topbar-nav a {
  border-radius: 0;
  padding: 0.35rem 0;
  margin: 0 0.65rem;
  letter-spacing: 0.18em;
  font-size: 0.68rem;
  background: transparent;
  box-shadow: none;
  position: relative;
}

.topbar-blend .topbar-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--page-text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.topbar-blend .topbar-nav a:hover::after,
.topbar-blend .topbar-nav a.is-active::after {
  transform: scaleX(1);
}

.topbar-blend .topbar-nav a.is-active {
  background: transparent;
  box-shadow: none;
  color: var(--page-text);
}

/* —— Hero: Nolan space + Portfolder file label —— */
.hero-blend {
  background: var(--paper);
  border-bottom: 1px solid var(--paper-edge);
  position: relative;
  overflow: hidden;
}

.hero-blend::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 10%, rgba(0, 0, 0, 0.03), transparent 45%);
  pointer-events: none;
}

html[data-theme="dark"] .hero-blend::before {
  background-image: radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.04), transparent 45%);
}

.hero-blend-inner {
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  max-width: 920px;
}

.file-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--paper-edge);
  padding: 0.45rem 0.85rem;
  background: color-mix(in srgb, var(--page-bg) 70%, transparent);
}

.file-label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--page-text);
}

.hero-blend-title {
  margin: 1.25rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(3.1rem, 9vw, 5.25rem);
  font-weight: 500;
  font-optical-sizing: auto;
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--hero-ink);
}

.hero-blend-lead {
  margin: 1.25rem 0 0;
  max-width: 36rem;
  font-size: clamp(0.98rem, 2vw, 1.12rem);
  line-height: 1.65;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.01em;
}

.hero-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--paper-edge);
  font-size: 0.88rem;
  color: var(--muted);
}

.hero-meta-row a {
  border-bottom: 1px solid currentColor;
}

.marquee-blend {
  background: var(--page-bg);
  border-color: var(--paper-edge);
}

.marquee-blend .marquee-track {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-style: normal;
  font-weight: 500;
}

/* —— Section kicker —— */
.section-kicker {
  margin: -0.75rem 0 1.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* —— Portfolder: paper sheet (About) —— */
.paper-sheet {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  padding: 2.25rem 2rem 2rem;
  box-shadow: var(--shadow);
  transition: transform 0.45s ease, box-shadow 0.45s ease;
}

.paper-sheet:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.paper-stamp {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border: 2px dashed var(--paper-edge);
  color: var(--muted);
  transform: rotate(-8deg);
}

.paper-body {
  margin: 0;
  max-width: 62ch;
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--card-text);
}

html[data-theme="light"] .paper-body {
  color: #2a2a2e;
}

/* —— File cards (experience) —— */
.card-file {
  position: relative;
  padding-top: 2rem;
  background: var(--paper);
  border-color: var(--paper-edge);
}

.card-file-tab {
  position: absolute;
  top: 0;
  left: 1rem;
  transform: translateY(-100%);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  border-bottom: none;
  color: var(--muted);
}

/* —— Folder tabs (Portfolder) —— */
.folder-shell {
  margin-top: 0.5rem;
}

.folder-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.35rem;
  padding-left: 0.25rem;
}

.folder-tab {
  appearance: none;
  border: 1px solid var(--paper-edge);
  border-bottom: none;
  background: color-mix(in srgb, var(--page-bg) 85%, var(--paper));
  color: var(--muted);
  font-family: inherit;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.65rem 1.1rem 0.55rem;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  transition: background 0.3s ease, color 0.3s ease, transform 0.25s ease;
  position: relative;
  top: 1px;
}

.folder-tab:hover {
  color: var(--page-text);
  transform: translateY(-2px);
}

.folder-tab.active {
  background: var(--paper);
  color: var(--page-text);
  z-index: 2;
  padding-bottom: 0.75rem;
  font-weight: 500;
}

.folder-panel {
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow);
  min-height: 200px;
}

.folder-shell-shop .shop-intro {
  margin: 0 0 1rem;
}

.shop-full-link {
  margin: 1.5rem 0 0;
}

/* —— Works grid + stamp frames —— */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.75rem;
}

.work-card {
  opacity: 0;
  transform: translateY(16px);
  animation: workIn 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(var(--i, 0) * 0.08s);
}

.tab-panel.active .work-card {
  animation: workIn 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(var(--i, 0) * 0.08s);
}

@keyframes workIn {
  to {
    opacity: 1;
    transform: none;
  }
}

.stamp-frame {
  background: #fff;
  padding: 10px 10px 14px;
  border: 2px dashed color-mix(in srgb, var(--page-text) 25%, transparent);
  box-shadow: 2px 3px 0 color-mix(in srgb, var(--page-text) 12%, transparent);
  transform: rotate(calc(var(--i, 0) * 0.6deg - 1deg));
  transition: transform 0.45s ease, box-shadow 0.45s ease;
}

html[data-theme="dark"] .stamp-frame {
  background: #0f0f11;
}

.work-card:hover .stamp-frame {
  transform: rotate(0deg) scale(1.02);
  box-shadow: 4px 6px 0 color-mix(in srgb, var(--page-text) 18%, transparent);
}

.stamp-frame img,
.stamp-frame .placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.stamp-frame .placeholder {
  border: none;
  background: var(--border-soft);
}

.work-card-body {
  padding: 1rem 0.15rem 0;
}

.work-card-body h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 500;
}

/* Hero & primary CTAs — white label on black fill (day mode) */
.hero-blend .btn-shine,
a.btn.btn-shine:not(.btn-ghost) {
  color: #ffffff;
  background: #0a0a0b;
  border-color: #0a0a0b;
}

html[data-theme="dark"] .hero-blend .btn-shine,
html[data-theme="dark"] a.btn.btn-shine:not(.btn-ghost) {
  color: #0a0a0b;
  background: #f4f4f5;
  border-color: #f4f4f5;
}

.hero-blend .btn-shine:hover,
a.btn.btn-shine:not(.btn-ghost):hover {
  color: var(--btn-hover-text);
  background: var(--btn-hover-bg);
  border-color: var(--page-text);
}

.hero-actions .btn {
  font-family: var(--font-ui);
  font-weight: 500;
  letter-spacing: 0.14em;
  padding: 0.75rem 1.45rem;
}

.text-link {
  display: inline-block;
  margin-top: 0.65rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor;
  transition: opacity 0.25s ease;
}

.text-link:hover {
  opacity: 0.65;
  text-decoration: none;
}

/* Nolan: section headings */
.section-heading {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  text-transform: none;
}

.section-index {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--muted);
  font-weight: 500;
}

/* Shop carousel inside folder */
.folder-shell-shop .portfolio-item {
  background: var(--paper);
  border-color: var(--paper-edge);
}

@media (max-width: 768px) {
  .folder-tab {
    flex: 1 1 auto;
    text-align: center;
    font-size: 0.6rem;
    padding-inline: 0.5rem;
  }

  .hero-blend-title {
    font-size: clamp(2.35rem, 12vw, 3.25rem);
  }

  .paper-stamp {
    position: static;
    display: inline-block;
    margin-bottom: 1rem;
    transform: rotate(-4deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .work-card {
    opacity: 1;
    transform: none;
    animation: none;
  }
}