/* ==========================================================================
   NUR WHITE PORTFOLIO - CLEAN MINIMALIST, DUAL-PILLAR SHOWCASE STYLES
   Only custom component styles here — Tailwind CDN handles all utilities.
   ========================================================================== */

:root {
  /* Core Clean Palette */
  --bg-page: #fbfcfd;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: #ffffff;

  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  /* Borders & Shadows */
  --border-light: rgba(15, 23, 42, 0.08);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.04), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
  --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.07), 0 0 1px rgba(15, 23, 42, 0.1);
  --shadow-hover: 0 25px 50px -12px rgba(15, 23, 42, 0.1);

  /* Interactive Accent (single accent, used everywhere interaction is signalled) */
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.14);
  --accent-ink: #3730a3;

  /* Focus */
  --focus-ring: 0 0 0 2px var(--bg-page), 0 0 0 4px var(--accent);

  /* Scrollbar */
  --scroll-track: #eef1f5;
  --scroll-thumb: #c2cbd8;
  --scroll-thumb-hover: #94a3b8;

  /* Typography Stacks */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-editorial: 'Newsreader', Georgia, serif;
}

/* Base */
html {
  scroll-behavior: smooth;
  color-scheme: light;
  /* Reserve the gutter so locking scroll for a dialog never shifts the page */
  scrollbar-gutter: stable;
}

/* Headings break where a typesetter would break them */
.text-balance { text-wrap: balance; }
.text-pretty  { text-wrap: pretty; }

/* The fixed header must not swallow the section you just jumped to */
:target { scroll-margin-top: 7rem; }
section[id] { scroll-margin-top: 7rem; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  caret-color: var(--accent);
}

/* Numerals in counts, steps and data read as data, not as prose */
.tabular-nums {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* Font family helpers (extend Tailwind) */
.font-display { font-family: var(--font-display) !important; }
.font-editorial { font-family: var(--font-editorial) !important; }

/* ── Editorial Highlight ── */
.highlight-editorial {
  font-family: var(--font-editorial);
  font-style: italic;
  font-weight: 500;
  font-size: 1.05em;
  color: #0f172a;
  letter-spacing: -0.01em;
  display: inline;
  text-decoration: underline;
  text-decoration-color: #cbd5e1;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
  transition: text-decoration-color 0.3s ease;
}
.highlight-editorial:hover {
  text-decoration-color: var(--accent);
}

/* ── Meta Label ── */
.meta-label {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* ── Ambient Glow Orbs ── */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}
.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #e0e7ff 0%, rgba(224,231,255,0) 70%);
  top: -100px; left: -100px;
  animation: floatOrb 20s ease-in-out infinite alternate;
}
.orb-2 {
  width: 550px; height: 550px;
  background: radial-gradient(circle, #ffe4e6 0%, rgba(255,228,230,0) 70%);
  bottom: 5%; right: -150px;
  animation: floatOrb2 24s ease-in-out infinite alternate;
}
.orb-3 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, #ccfbf1 0%, rgba(204,251,241,0) 70%);
  top: 40%; left: 20%;
  animation: floatOrb3 22s ease-in-out infinite alternate;
}
@keyframes floatOrb {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(80px,60px) scale(1.08); }
  100% { transform: translate(30px,100px) scale(0.96); }
}
@keyframes floatOrb2 {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(-80px,-70px) scale(1.1); }
  100% { transform: translate(-40px,-30px) scale(0.92); }
}
@keyframes floatOrb3 {
  0%   { transform: translate(0,0) scale(0.95); }
  50%  { transform: translate(-60px,40px) scale(1.05); }
  100% { transform: translate(60px,-40px) scale(1); }
}

/* ── Cursor Glow ── */
.cursor-glow {
  position: fixed;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, rgba(99,102,241,0) 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%,-50%);
}

/* ── Glass Components ── */
.glass-nav {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(15,23,42,0.08);
  box-shadow: 0 4px 20px -2px rgba(15,23,42,0.04);
}
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
}
.glass-card:hover {
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-hover);
  border-color: rgba(15,23,42,0.15);
}
.glass-card-sm {
  background: #ffffff;
  border: 1px solid rgba(15,23,42,0.06);
  box-shadow: var(--shadow-sm);
}
.glass-pill {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(15,23,42,0.08);
  box-shadow: 0 1px 4px rgba(15,23,42,0.03);
}
.glass-button {
  background: #ffffff;
  border: 1px solid rgba(15,23,42,0.12);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}
.glass-button:hover {
  background: #f8fafc;
  border-color: rgba(15,23,42,0.25);
  transform: translateY(-1px);
}
.glass-modal {
  background: #ffffff;
  border: 1px solid rgba(15,23,42,0.1);
  box-shadow: 0 25px 60px -15px rgba(15,23,42,0.22);
  color: var(--text-primary);
}

/* ── Pillar Showcase Switcher ── */
.pillar-switcher {
  background: rgba(255,255,255,0.95);
}
.pillar-tab-btn {
  background: transparent;
  color: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
}
.pillar-tab-btn:hover {
  color: var(--text-primary);
}
.pillar-tab-btn.active {
  background: #0f172a;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(15,23,42,0.15);
}
.pillar-tab-btn.active i {
  color: #ffffff !important;
}
.pillar-tab-btn.active .pillar-badge {
  background: rgba(255,255,255,0.2);
  color: #ffffff;
}
.pillar-badge {
  background: rgba(15,23,42,0.08);
  color: var(--text-secondary);
}

/* ── Buttons ── */
.btn-primary {
  background: #0f172a;
  color: #ffffff;
  border: none;
  font-family: var(--font-display);
  box-shadow: 0 4px 14px rgba(15,23,42,0.15);
  transition: all 0.25s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.btn-primary:hover {
  background: #1e293b;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15,23,42,0.22);
}
.btn-glass {
  background: #ffffff;
  border: 1px solid rgba(15,23,42,0.12);
  color: var(--text-primary);
  font-family: var(--font-display);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.btn-glass:hover {
  background: #f1f5f9;
  border-color: rgba(15,23,42,0.25);
  transform: translateY(-1px);
}

/* ── Skill Tags ── */
.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: #ffffff;
  border: 1px solid rgba(15,23,42,0.08);
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: 0 1px 2px rgba(15,23,42,0.03);
  transition: all 0.2s ease;
}
.skill-tag:hover {
  background: #f8fafc;
  border-color: rgba(15,23,42,0.25);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ── Modal Backdrop ── */
.modal-backdrop {
  background-color: rgba(15,23,42,0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: opacity 0.3s ease;
}

/* ── Toast ── */
.toast-container {
  animation: slideInToast 0.4s ease-out;
}
@keyframes slideInToast {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ── Art Card Hover ── */
.art-card {
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
}
.art-card:hover {
  transform: translateY(-6px);
}

/* ── Showcase view transition ── */
.showcase-view {
  animation: fadeInView 0.35s ease-out;
}
@keyframes fadeInView {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Filter button active state ── */
.filter-btn.active {
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 1px 3px rgba(15,23,42,0.06);
}

/* ── Space-Y helper (used in JS-generated modal content) ── */
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-2\.5 > * + * { margin-top: 0.625rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--scroll-track); }
::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border-radius: 999px;
  border: 2px solid var(--scroll-track);
}
::-webkit-scrollbar-thumb:hover { background: var(--scroll-thumb-hover); }
html { scrollbar-color: var(--scroll-thumb) var(--scroll-track); scrollbar-width: thin; }

/* ── Nav link highlight on hover ── */
.nav-link {
  transition: all 0.2s ease;
}

/* ── Selection ── */
::selection {
  background: #0f172a;
  color: #ffffff;
}

/* ==========================================================================
   FOCUS — keyboard users get the same care as pointer users.
   Browser defaults belong to no design system; these are drawn from the palette.
   ========================================================================== */
:where(a, button, input, textarea, select, [tabindex]):focus {
  outline: none;
}
:where(a, button, input, textarea, select, [tabindex]):focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 10px;
  position: relative;
  z-index: 2;
}
/* Elements that already own a radius keep it under the ring */
.btn-primary:focus-visible,
.btn-glass:focus-visible,
.glass-button:focus-visible,
.pillar-tab-btn:focus-visible,
.filter-btn:focus-visible { border-radius: 0.75rem; }
.nav-link:focus-visible,
.skill-tag:focus-visible { border-radius: 999px; }
.glass-card:focus-visible,
.art-card:focus-visible,
.project-card:focus-visible { border-radius: 1.5rem; }
.brand-logo:focus-visible { border-radius: 0.85rem; }

/* Cards that act as buttons should say so to the keyboard, and look it */
.card-interactive { cursor: pointer; }
.card-interactive:focus-visible { box-shadow: var(--focus-ring), var(--shadow-hover); }

/* Skip link — the first stop on every keyboard journey */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  border-radius: 0.75rem;
  background: var(--text-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  transition: top 0.2s ease;
}
.skip-link:focus-visible {
  top: 1rem;
  box-shadow: var(--focus-ring), var(--shadow-lg);
}

/* ── Editorial highlight: keyboard/hover parity ── */
.highlight-editorial { text-decoration-skip-ink: none; }

/* ==========================================================================
   PROCESS SEQUENCE — five stages read as one path, not five equal cards.
   The order carries meaning, so the numerals are ordinals, not decoration.
   ========================================================================== */
.process-track { position: relative; }
@media (min-width: 768px) {
  .process-track::before {
    content: "";
    position: absolute;
    top: 27px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(15,23,42,0.14) 12%, rgba(15,23,42,0.14) 88%, transparent);
    z-index: 0;
  }
}
.process-step { position: relative; z-index: 1; }
.process-step .step-ordinal {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid rgba(15,23,42,0.1);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}
.process-step:hover .step-ordinal {
  border-color: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 4px 14px var(--accent-soft);
}
.process-step .step-meta {
  color: var(--text-muted);
}

/* ── Project board imagery: presentation boards are shown whole, never cropped mid-title ── */
.project-board {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

/* ==========================================================================
   MOTION — one authored moment. Respect the user's stated preference.
   ========================================================================== */
.cursor-glow { display: none; }
@media (hover: hover) and (pointer: fine) {
  .cursor-glow { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor-glow { display: none !important; }
  .ambient-glow { animation: none !important; }
  .showcase-view { animation: none !important; }
  .toast-container { animation: none !important; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .btn-primary:hover,
  .btn-glass:hover,
  .glass-button:hover,
  .skill-tag:hover,
  .art-card:hover { transform: none !important; }
  .group:hover img,
  img { transform: none !important; }
}

/* ==========================================================================
   CASE STUDY DIAGRAMS
   A journey map holds five columns of real text. Squeezed into a phone it
   becomes illegible, so below the width where it can be read it scrolls
   inside its own frame instead of shrinking.
   ========================================================================== */
.diagram-scroll {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  border-radius: 12px;
}
.diagram-scroll > svg {
  min-width: 660px;
  display: block;
}
@media (min-width: 720px) {
  .diagram-scroll > svg { min-width: 0; }
}
/* The scroll affordance has to be visible, or nobody discovers the rest. */
.diagram-scroll::-webkit-scrollbar { height: 8px; }
.diagram-scroll::-webkit-scrollbar-track { background: var(--scroll-track); border-radius: 999px; }
.diagram-scroll::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 999px; border: 2px solid var(--scroll-track); }

.diagram-hint {
  display: block;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 6px;
}
@media (min-width: 720px) { .diagram-hint { display: none; } }

/* Banners are less dense than the phase diagrams, so they need less room
   before they become readable — but they still must not shrink past it. */
.banner-scroll > svg { min-width: 560px; display: block; }
@media (min-width: 620px) { .banner-scroll > svg { min-width: 0; } }

.project-banner {
  /* The banner's own field, so the capped width blends instead of showing a seam. */
  background: #f8fafc;
}
.project-banner > svg {
  display: block;
  width: 100%;
  height: auto;
  /* Drawn at 800 wide. Past ~900 the lettering scales up past its intended
     weight and the card starts reading as a hero, so the upscale is capped. */
  max-width: 900px;
  margin-inline: auto;
}

/* ── Real screen exports ──────────────────────────────────────────────────
   Phone frames are tall; a plain grid would stretch them. Fixed track width
   keeps every screen at the same scale however many there are. */
.screen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 480px) {
  .screen-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}

/* ─── Art gallery ──────────────────────────────────────────────────────────
   The pieces run from 6:5 landscape through square to 7:9 tall. A uniform
   grid with object-cover would crop every one of them, which is the one thing
   a gallery may not do, so the columns absorb the difference instead. */
.art-masonry {
  column-count: 1;
  column-gap: 1.75rem;
}
@media (min-width: 640px)  { .art-masonry { column-count: 2; } }
@media (min-width: 1024px) { .art-masonry { column-count: 3; } }

.art-tile {
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  display: block;
  margin: 0 0 1.75rem;
  cursor: pointer;
}

.art-tile-frame {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  background: #0f172a;
  border: 1px solid rgba(226, 232, 240, 0.9);
  line-height: 0;
}
.art-tile-frame img {
  display: block;
  width: 100%;
  height: auto;              /* the whole piece, never a crop */
  transition: transform .7s cubic-bezier(.2, .7, .2, 1);
}
.art-tile:hover .art-tile-frame img { transform: scale(1.04); }

.art-tile-veil {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2, 6, 23, 0.28);
  opacity: 0;
  transition: opacity .25s ease;
}
.art-tile:hover .art-tile-veil,
.art-tile:focus-visible .art-tile-veil { opacity: 1; }
.art-tile-cue {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
  color: #0f172a;
  background: rgba(255, 255, 255, .95);
  padding: .375rem .875rem;
  border-radius: 999px;
  line-height: 1.4;
}

.art-tile-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  padding: .875rem .125rem 0;
}

.art-tile:focus-visible {
  outline: var(--focus-ring, 2px solid #4f46e5);
  outline-offset: 4px;
  border-radius: 1.25rem;
}

@media (prefers-reduced-motion: reduce) {
  .art-tile-frame img { transition: none; }
  .art-tile:hover .art-tile-frame img { transform: none; }
}

/* Lightbox stage — the big image, with previous/next sitting over the
   letterbox bands the contained image leaves on either side. The gallery
   wraps, so there is never a dead end: the last piece steps to the first. */
.art-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: #0f172a;
  box-shadow: 0 4px 6px -1px rgba(2, 6, 23, .1), 0 2px 4px -2px rgba(2, 6, 23, .1);
}
.art-stage img {
  display: block;
  width: 100%;
  max-height: 560px;
  object-fit: contain;      /* the whole piece, never a crop */
}

.art-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #0f172a;
  background: rgba(255, 255, 255, .85);
  border: 1px solid rgba(255, 255, 255, .9);
  box-shadow: 0 8px 24px rgba(2, 6, 23, .38);
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}
.art-nav:hover { background: #fff; transform: translateY(-50%) scale(1.07); }
.art-nav:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}
.art-nav-prev { left: .625rem; }
.art-nav-next { right: .625rem; }
@media (min-width: 640px) {
  .art-nav-prev { left: 1.25rem; }
  .art-nav-next { right: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .art-nav { transition: none; }
}

/* The header portrait, in the footprint the NW monogram used to hold. The
   border keeps a light photograph from dissolving into the glass nav, and the
   background holds the square before the image paints so the bar cannot jump. */
.brand-avatar {
  border: 1px solid rgba(15, 23, 42, .1);
  background: #e2e8f0;
  transition: transform .25s cubic-bezier(.2, .7, .2, 1), box-shadow .25s ease;
}
.brand-logo:hover .brand-avatar {
  transform: scale(1.06);
  box-shadow: 0 4px 12px rgba(2, 6, 23, .18);
}

@media (prefers-reduced-motion: reduce) {
  .brand-avatar { transition: none; }
  .brand-logo:hover .brand-avatar { transform: none; }
}