/* Parnian Data — studio system. Tokens from design.md */

:root,
[data-theme="dark"] {
  --bg: #0b0c0f;
  --surface: #12141a;
  --surface-2: #1a1d26;
  --border: #2a2e38;
  --text: #f4f1ea;
  --text-mute: #9a958c;
  --accent: #c43b3b;
  --accent-deep: #8e1a1f;
  --brand: #b11e24;
  --accent-glow: rgba(196, 59, 59, 0.22);
  --on-accent: #fff8f5;
  --ok: #3ddc97;
  --bad: #f07178;
  --grid: rgba(244, 241, 234, 0.04);
  --blur: 16px;
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-pill: 999px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --t-micro: 160ms;
  --t-ui: 280ms;
  --t-enter: 620ms;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --container: min(1120px, calc(100% - 48px));
  --nav-h: 72px;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #f6f1e8;
  --surface: #fffcf7;
  --surface-2: #efe8db;
  --border: #e6dfd3;
  --text: #16141c;
  --text-mute: #5c574e;
  --accent: #b11e24;
  --accent-deep: #8e1a1f;
  --brand: #b11e24;
  --accent-glow: rgba(177, 30, 36, 0.16);
  --on-accent: #fff8f5;
  --ok: #0f7a4a;
  --grid: rgba(22, 20, 28, 0.05);
  --shadow: 0 18px 40px rgba(22, 20, 28, 0.08);
  color-scheme: light;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Vazir FD", Vazirmatn, Tahoma, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.studio-lock { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
button, a, [role="button"], summary { cursor: pointer; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.studio-skip {
  position: absolute;
  right: 12px;
  top: -40px;
  z-index: 200;
  background: var(--accent);
  color: var(--on-accent);
  padding: 8px 14px;
  border-radius: var(--r-sm);
}
.studio-skip:focus { top: 12px; }

.studio-progress {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  z-index: 80;
  transform-origin: right;
  transform: scaleX(0);
  background: var(--accent);
  pointer-events: none;
}

.studio-grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: 0.07;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.55'/></svg>");
}

.studio-wrap { position: relative; z-index: 2; }

.studio-container {
  width: var(--container);
  margin-inline: auto;
}

/* Nav */
.studio-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(var(--blur));
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.studio-nav-inner {
  width: var(--container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 20px;
}
.studio-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 13px;
}
.studio-mark-en { font-family: ui-sans-serif, system-ui; letter-spacing: 0.22em; }
.studio-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: contain;
  background: var(--surface);
}
.studio-nav-links {
  display: flex;
  gap: 22px;
  margin-inline-start: auto;
  list-style: none;
  padding: 0;
}
.studio-nav-links a {
  font-size: 14px;
  color: var(--text-mute);
  transition: color var(--t-micro) var(--ease-out);
}
.studio-nav-links a:hover,
.studio-nav-links a.is-active { color: var(--text); }
.studio-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.studio-icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
}
.studio-icon-btn svg { width: 18px; height: 18px; }
.studio-kbd {
  font-size: 11px;
  color: var(--text-mute);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  font-family: ui-monospace, monospace;
}
.studio-menu-btn { display: none; }

.studio-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  transition: transform var(--t-ui) var(--ease-out), background var(--t-micro), border-color var(--t-micro), box-shadow var(--t-ui);
  will-change: transform;
}
.studio-btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.studio-btn-primary:hover { background: var(--accent-deep); }
.studio-btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.studio-btn-ghost:hover { background: var(--surface-2); }
.studio-btn-swap { position: relative; overflow: hidden; }
.studio-btn-swap .swap-b { display: none; }
.studio-btn-swap:hover .swap-a { display: none; }
.studio-btn-swap:hover .swap-b { display: inline; }

/* Bloom menu */
.studio-bloom {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(18px);
  display: none;
  padding: 88px 28px 40px;
}
.studio-bloom.is-open { display: flex; flex-direction: column; gap: 18px; }
.studio-bloom a {
  font-size: clamp(28px, 6vw, 42px);
  font-weight: 700;
  opacity: 0;
  transform: translateY(12px);
}
.studio-bloom.is-open a { animation: studio-rise 0.5s var(--ease-out) forwards; }
.studio-bloom a:nth-child(2) { animation-delay: 0.04s; }
.studio-bloom a:nth-child(3) { animation-delay: 0.08s; }
.studio-bloom a:nth-child(4) { animation-delay: 0.12s; }
.studio-bloom a:nth-child(5) { animation-delay: 0.16s; }
.studio-bloom a:nth-child(6) { animation-delay: 0.2s; }
.studio-bloom a:nth-child(7) { animation-delay: 0.24s; }

@keyframes studio-rise {
  to { opacity: 1; transform: none; }
}

/* Command */
.studio-cmd-scrim {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(0,0,0,.45);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 16px 16px;
}
.studio-cmd-scrim.is-open { display: flex; }
.studio-cmd {
  width: min(560px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.studio-cmd input {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  padding: 16px 18px;
  outline: none;
}
.studio-cmd-list { max-height: 320px; overflow: auto; border-top: 1px solid var(--border); }
.studio-cmd-list a,
.studio-cmd-list button {
  display: flex;
  width: 100%;
  text-align: right;
  background: none;
  border: 0;
  color: var(--text);
  padding: 12px 18px;
  font: inherit;
}
.studio-cmd-list a:hover,
.studio-cmd-list a.is-active { background: var(--surface-2); }

/* Hero */
.studio-hero {
  position: relative;
  padding: 72px 0 40px;
  overflow: hidden;
}
.studio-hero::before {
  content: "";
  position: absolute;
  inset: -20% 10% auto auto;
  width: 55vw;
  height: 55vw;
  max-width: 680px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 68%);
  pointer-events: none;
}
.studio-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
  pointer-events: none;
}
.studio-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.studio-kicker {
  display: inline-flex;
  gap: 8px;
  color: var(--text-mute);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: ui-sans-serif, system-ui;
  margin: 0 0 18px;
}
.studio-hero h1 {
  margin: 0;
  font-size: clamp(36px, 5.6vw, 68px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 900;
}
.studio-hero h1 span { display: block; }
.studio-stream {
  margin: 22px 0 0;
  color: var(--text-mute);
  font-size: 18px;
  max-width: 38em;
  min-height: 4.8em;
}
.studio-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.studio-chip {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--r-pill);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-mute);
}
.studio-follows {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.studio-follows a {
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
}
.studio-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.studio-micro {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-mute);
}

.studio-stage {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.studio-code-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px 0;
  color: var(--text-mute);
  font-size: 11px;
  font-family: ui-monospace, monospace;
  direction: ltr;
}
.studio-code {
  margin: 0;
  padding: 16px 18px 12px;
  background: #0e1014;
  color: #d7d2c8;
  font-family: ui-monospace, "JetBrains Mono", monospace;
  font-size: 12.5px;
  line-height: 1.7;
  direction: ltr;
  text-align: left;
  overflow: auto;
}
.studio-code .ln { color: #5c574e; margin-inline-end: 12px; user-select: none; }
.studio-code .kw { color: #c43b3b; }
.studio-code .fn { color: #7ec8c8; }
.studio-tasks { padding: 12px 14px 16px; display: grid; gap: 8px; }
.studio-task {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  font-size: 13px;
}
.studio-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-mute);
}
.studio-task.is-run .studio-dot { background: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow); }
.studio-task.is-done .studio-dot { background: var(--ok); }
.studio-task-state { color: var(--text-mute); font-size: 12px; }
.studio-tools { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 16px; }
.studio-tool {
  font-size: 11px;
  font-family: ui-monospace, monospace;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 8px;
  color: var(--text-mute);
}

/* Sections */
.studio-section { padding: 88px 0; }
.studio-section-head { max-width: 40em; margin-bottom: 36px; }
.studio-section h2 {
  margin: 8px 0 12px;
  font-size: clamp(28px, 3.4vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.studio-lead { color: var(--text-mute); margin: 0; font-size: 17px; }

.studio-proof {
  padding: 28px 0 8px;
  border-block: 1px solid var(--border);
}
.studio-proof-label {
  font-size: 12px;
  color: var(--text-mute);
  margin-bottom: 14px;
}
.studio-marquee {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.studio-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.studio-stat {
  padding: 18px 8px 8px 0;
  border-top: 1px solid var(--border);
}
.studio-stat b {
  display: block;
  font-size: 32px;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.studio-stat span { color: var(--text-mute); font-size: 13px; }

.studio-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.studio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px;
}
.studio-card h3 { margin: 0 0 10px; font-size: 18px; }
.studio-card p { margin: 0; color: var(--text-mute); }
.studio-card.is-after { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }

.studio-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.studio-tab {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-mute);
  border-radius: var(--r-pill);
  padding: 8px 14px;
  font-size: 13px;
  min-height: 40px;
}
.studio-tab[aria-selected="true"] {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.studio-panel { display: none; }
.studio-panel.is-active { display: block; }
.studio-rec {
  margin-top: 16px;
  padding: 18px;
  border-radius: var(--r-md);
  background: var(--surface-2);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}
.studio-rec p { margin: 0; }

.studio-work {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 14px;
}
.studio-work a:first-child { grid-row: span 2; min-height: 460px; }
.studio-work-card {
  position: relative;
  display: block;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  min-height: 220px;
  transform-style: preserve-3d;
}
.studio-work-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 220px;
  aspect-ratio: 4/3;
}
.studio-work a:first-child img { min-height: 100%; aspect-ratio: auto; }
.studio-work-meta {
  position: absolute;
  inset: auto 0 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(11,12,15,.88));
  color: #f4f1ea;
}
.studio-work-meta small { color: #c9c3b8; }
.studio-work-fallback {
  min-height: 220px;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--text-mute);
}

.studio-process { display: grid; gap: 8px; }
.studio-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 1fr);
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}
.studio-rail > a,
.studio-rail > article {
  scroll-snap-align: start;
  min-width: 240px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  color: inherit;
}
.studio-rail img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.studio-rail-body { padding: 14px; }
.studio-rail-body h3 { margin: 0 0 6px; font-size: 16px; }
.studio-price { font-weight: 700; margin-top: 8px; }
.studio-muted { color: var(--text-mute); font-size: 13px; }

.studio-paper {
  background: #f6f1e8;
  color: #16141c;
  border-radius: var(--r-lg);
  padding: 28px;
}
.studio-paper .studio-kicker,
.studio-paper .studio-muted,
.studio-paper .studio-lead { color: #5c574e; }
.studio-paper h2 { color: #16141c; }
.studio-journal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.studio-journal a {
  background: #fffcf7;
  border: 1px solid #e6dfd3;
  border-radius: var(--r-md);
  padding: 16px;
  color: inherit;
  min-height: 160px;
}

.studio-faq details {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.studio-faq summary {
  list-style: none;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.studio-faq summary::-webkit-details-marker { display: none; }
.studio-faq summary::after { content: "+"; color: var(--text-mute); }
.studio-faq details[open] summary::after { content: "–"; }
.studio-faq p { color: var(--text-mute); margin: 10px 0 0; }

.studio-climax {
  text-align: center;
  padding: 96px 0 80px;
}
.studio-climax h2 { font-size: clamp(32px, 4vw, 48px); }
.studio-phone {
  display: inline-block;
  margin-top: 8px;
  font-size: 22px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.studio-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 120px;
  color: var(--text-mute);
  font-size: 14px;
}
.studio-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 24px;
}
.studio-footer h4 { color: var(--text); margin: 0 0 12px; font-size: 13px; }
.studio-footer ul { list-style: none; padding: 0; margin: 0; }
.studio-footer li { margin-bottom: 8px; }
.studio-en { font-family: ui-sans-serif, system-ui; letter-spacing: 0.12em; font-size: 11px; }

.studio-dock {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 35;
  display: flex;
  gap: 6px;
  padding: 8px;
  border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  border: 1px solid var(--border);
  backdrop-filter: blur(var(--blur));
}
.studio-dock a {
  min-width: 44px;
  min-height: 40px;
  padding: 0 12px;
  border-radius: var(--r-pill);
  display: grid;
  place-items: center;
  font-size: 12px;
  color: var(--text-mute);
}
.studio-dock a:hover,
.studio-dock a.is-active { background: var(--surface-2); color: var(--text); }

.studio-reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: studio-in var(--t-enter) var(--ease-out) forwards;
  animation-play-state: paused;
}
.studio-reveal.is-in { animation-play-state: running; }

@keyframes studio-in {
  to { opacity: 1; transform: none; }
}

@media (max-width: 960px) {
  .studio-hero-grid,
  .studio-split,
  .studio-work,
  .studio-journal,
  .studio-stats,
  .studio-footer-grid { grid-template-columns: 1fr; }
  .studio-work a:first-child { grid-row: auto; }
  .studio-nav-links, .studio-kbd, .studio-dock { display: none; }
  .studio-menu-btn { display: grid; }
  .studio-nav-actions .studio-btn-primary { display: none; }
  .studio-section { padding: 64px 0; }
  .studio-hero { padding-top: 40px; }
  .studio-footer { padding-bottom: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .studio-reveal,
  .studio-bloom.is-open a {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  .studio-btn { transition: none; }
}