/* =====================================================================
   Anas Kasasbeh — portfolio styles
   Layout: one long page (Home / About / Projects / Contact) on drafting
   paper, plus one case-study page per project. Floating docks at bottom.
   All colors are tokens below — change the palette here.
   ===================================================================== */

/* ---------- fonts (self-hosted, variable) ---------- */
@font-face { font-family: "Space Grotesk"; font-style: normal; font-weight: 300 700; font-display: swap;
  src: url("../fonts/space-grotesk-latin.woff2") format("woff2-variations"), url("../fonts/space-grotesk-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Space Grotesk"; font-style: normal; font-weight: 300 700; font-display: swap;
  src: url("../fonts/space-grotesk-latin-ext.woff2") format("woff2-variations"), url("../fonts/space-grotesk-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Caveat"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url("../fonts/caveat-latin.woff2") format("woff2-variations"), url("../fonts/caveat-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Noto Naskh Arabic"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url("../fonts/noto-naskh-arabic.woff2") format("woff2-variations"), url("../fonts/noto-naskh-arabic.woff2") format("woff2");
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC; }

:root {
  /* palette — light */
  --bg: #F4F2EE;            /* paper */
  --surface: #F7F5F2;       /* chips, cards */
  --surface-2: #FFFFFF;     /* card covers, contact card */
  --fg: #2B2A2E;            /* ink */
  --fg-2: #56555A;          /* secondary text */
  --muted: #8D8A86;         /* labels, dates */
  --line: #E2DED8;          /* borders, rules */
  --accent: #B6553D;        /* terracotta */
  --accent-strong: #9E4430;
  --accent-soft: #F0DCD3;   /* pills, icon tiles */
  --accent-on-dark: #E58A70;
  --grid: rgba(43, 42, 46, 0.045);
  --ink: #B3B0AB;           /* hero sketches */
  --band: #4D645F;          /* contact band */
  --band-fg: #F4F2EE;
  --band-muted: #C9D3CF;
  --footer: #333235;
  --footer-fg: #EDEAE5;
  --footer-muted: #A6A29C;
  --dock: #2F2E31;
  --dock-fg: #D3CEC8;
  --dock-ring: rgba(255, 255, 255, 0.08);
  --shadow: 0 18px 40px -18px rgba(43, 42, 46, 0.35);
  --code-bg: #2F2E31;
  --code-fg: #EDEAE5;
  /* chart palette — validated for colour-blind separation on both surfaces */
  --viz-1: #B6553D;
  --viz-2: #1B78B0;
  --viz-3: #A9800F;
  --viz-muted: #D3CEC7;
  --alert: #C2362B;

  /* type */
  --font-sans: "Space Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-hand: "Caveat", "Segoe Print", "Comic Sans MS", cursive;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  /* scale */
  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.125rem;
  --step-2: 1.3125rem;
  --step-3: clamp(1.65rem, 1.3rem + 1.2vw, 2.25rem);
  --step-4: clamp(2.05rem, 1.45rem + 2vw, 3rem);
  --step-5: clamp(2.5rem, 1.6rem + 3.2vw, 4.5rem);

  /* layout */
  --wrap: 1312px;
  --gutter-l: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --dock-h: 64px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1C1B1E; --surface: #232226; --surface-2: #29282C; --fg: #ECE9E4; --fg-2: #BDB8B1;
    --muted: #8E8A84; --line: #36343A; --accent: #E2805F; --accent-strong: #F09577;
    --accent-soft: rgba(226, 128, 95, 0.15); --accent-on-dark: #E2805F; --grid: rgba(236, 233, 228, 0.04);
    --ink: #6E6A66; --band: #2D3B37; --band-fg: #ECE9E4; --band-muted: #A9B6B1; --footer: #141316;
    --footer-fg: #ECE9E4; --footer-muted: #8E8A84; --dock: #2A292D; --dock-fg: #C9C4BD;
    --dock-ring: rgba(255, 255, 255, 0.1); --shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.7);
    --code-bg: #121114; --code-fg: #ECE9E4; color-scheme: dark;
    --viz-1: #D4704E; --viz-2: #3A8FD0; --viz-3: #C08A16; --viz-muted: #4A4850; --alert: #E0574B;
  }
}
:root[data-theme="dark"] {
  --bg: #1C1B1E; --surface: #232226; --surface-2: #29282C; --fg: #ECE9E4; --fg-2: #BDB8B1;
  --muted: #8E8A84; --line: #36343A; --accent: #E2805F; --accent-strong: #F09577;
  --accent-soft: rgba(226, 128, 95, 0.15); --accent-on-dark: #E2805F; --grid: rgba(236, 233, 228, 0.04);
  --ink: #6E6A66; --band: #2D3B37; --band-fg: #ECE9E4; --band-muted: #A9B6B1; --footer: #141316;
  --footer-fg: #ECE9E4; --footer-muted: #8E8A84; --dock: #2A292D; --dock-fg: #C9C4BD;
  --dock-ring: rgba(255, 255, 255, 0.1); --shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.7);
  --code-bg: #121114; --code-fg: #ECE9E4; color-scheme: dark;
  --viz-1: #D4704E; --viz-2: #3A8FD0; --viz-3: #C08A16; --viz-muted: #4A4850; --alert: #E0574B;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; line-height: 1.12; text-wrap: balance; letter-spacing: -0.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; }
::selection { background: var(--accent-soft); color: var(--fg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
}
@media (min-width: 900px) { :root { --gutter-l: max(48px, env(safe-area-inset-left, 0px)); --gutter-r: max(48px, env(safe-area-inset-right, 0px)); } }

.ic { width: 1em; height: 1em; flex: none; }
.ic-dark-brand { color: var(--brand); }
:root[data-theme="dark"] .ic-dark-brand { color: var(--fg) !important; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .ic-dark-brand { color: var(--fg) !important; } }

/* ---------- shared bits ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: var(--step--1); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.label {
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }
.link-u {
  color: var(--accent);
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px; background-position: 0 100%; background-repeat: no-repeat;
  padding-bottom: 2px; transition: background-size .25s ease, color .2s ease;
}
.link-u:hover { color: var(--accent-strong); }
.link-plain { border-bottom: 1px solid var(--line); transition: border-color .2s, color .2s; }
.link-plain:hover { border-color: var(--accent); color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 48px; padding: 0 22px; border-radius: 999px;
  font-weight: 600; font-size: 0.9375rem; white-space: nowrap;
  transition: transform .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}
.btn .ic { width: 17px; height: 17px; }
.btn-dark { background: var(--fg); color: var(--bg); }
.btn-dark:hover { background: var(--accent); color: #fff; transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--line); color: var(--fg); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: min(92vh, 900px);
  display: flex; align-items: center;
  padding-block: 120px 160px;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent);
  mask-image: linear-gradient(to bottom, #000 70%, transparent);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.hero-inner { position: relative; width: 100%; }
.hero-content { max-width: 1300px; margin-left: clamp(0px, 3vw, 60px); }
.badges { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.badge {
  padding: 7px 14px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  font-size: 0.875rem; font-weight: 500; line-height: 1.3;
}
.hero h1 {
  font-size: var(--step-4); font-weight: 700; letter-spacing: -0.02em; line-height: 1.12; color: var(--fg);
}
.hero h1 .name { color: var(--accent); }
.hero .headline {
  display: block; margin-top: 0.12em;
  color: var(--fg-2); font-weight: 700;
}
.hero .headline .dot { color: var(--accent); }
.hero-sub { margin-top: 40px; font-size: clamp(1.0625rem, 0.98rem + 0.35vw, 1.3125rem); color: var(--fg-2); line-height: 1.5; }
.hero-meta {
  margin-top: 18px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px;
  color: var(--muted); font-size: clamp(0.9375rem, 0.9rem + 0.15vw, 1.0625rem);
}
.hero-meta .pin { color: var(--accent); width: 18px; height: 18px; }
.hero-meta .sep { opacity: .7; }
.hero-meta a { display: inline-flex; align-items: center; gap: 6px; transition: color .2s; }
.hero-meta a:hover { color: var(--accent); }
.hero-meta a .ic { width: 16px; height: 16px; }
@media (max-width: 640px) {
  .hero { padding-block: 72px 120px; min-height: 0; }
  .badges { gap: 8px; margin-bottom: 22px; }
  .badge { font-size: 0.8125rem; padding: 6px 12px; }
  .hero-sub { margin-top: 32px; }
  .p-keywords { gap: 6px; }
  .tag { font-size: 0.8125rem; padding: 4px 10px; }
  .fact { padding-block: 16px; }
}

/* ---------- SECTIONS ---------- */
.section { padding-block: clamp(80px, 10vw, 150px); }
.section-head { text-align: center; display: grid; justify-items: center; gap: 18px; }
.section-head h2 { font-size: clamp(2.25rem, 1.5rem + 2.6vw, 3.75rem); font-weight: 400; letter-spacing: -0.02em; }
.section-head .short-rule { width: 130px; height: 2px; background: var(--line); margin-top: 26px; }
.about-lede { max-width: 62ch; margin-top: 8px; color: var(--fg-2); font-size: clamp(1rem, 0.95rem + 0.25vw, 1.1875rem); line-height: 1.7; text-wrap: pretty; }
.section-head + .rule { margin-top: clamp(48px, 6vw, 76px); }

.block { padding-block: clamp(56px, 6vw, 80px); border-bottom: 1px solid var(--line); }
.block:last-child { border-bottom: 0; }
.block-head { display: flex; align-items: center; gap: 18px; margin-bottom: clamp(28px, 3.5vw, 44px); }
.block-head h3 { font-size: var(--step-3); font-weight: 400; display: flex; align-items: center; gap: 14px; }
.block-head h3 a { color: var(--muted); display: inline-flex; transition: color .2s; }
.block-head h3 a:hover { color: var(--accent); }
.block-head h3 a .ic { width: 20px; height: 20px; }
.tile {
  width: 46px; height: 46px; flex: none; border-radius: 11px;
  display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--line); color: var(--accent);
}
.tile .ic { width: 20px; height: 20px; }

/* skills */
.skills-grid { column-gap: 56px; }
@media (min-width: 900px) { .skills-grid { columns: 2; } }
.skill-group { break-inside: avoid; padding-bottom: 34px; }
.skill-group .label { margin-bottom: 14px; display: block; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 14px; border-radius: var(--radius-s);
  border: 1px solid var(--line); background: var(--surface);
  font-size: 0.9375rem; font-weight: 500; color: var(--fg-2); line-height: 1.2;
  transition: border-color .2s, transform .2s;
}
.chip:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.chip .ic { width: 18px; height: 18px; }
.chip-sm { padding: 6px 11px; font-size: 0.875rem; gap: 7px; }
.chip-sm .ic { width: 16px; height: 16px; }
.tag {
  display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--fg-2); font-size: 0.875rem; font-weight: 500;
}

/* experience */
.xp-list { list-style: none; }
.xp {
  display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 0 24px;
  padding-block: 28px; border-bottom: 1px solid var(--line);
}
.xp:first-child { padding-top: 0; }
.xp:last-child { border-bottom: 0; padding-bottom: 0; }
.xp-ic {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--muted); background: var(--surface);
}
.xp-ic .ic { width: 18px; height: 18px; }
.xp-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px; align-items: baseline; }
.xp h4 { font-size: var(--step-2); font-weight: 500; }
.xp-date { font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.xp-org { margin-top: 6px; color: var(--accent); font-size: 1rem; }
.xp-loc { color: var(--muted); font-size: 0.875rem; margin-top: 2px; }
.xp-text { margin-top: 12px; color: var(--fg-2); max-width: 72ch; font-size: 0.9688rem; }
.xp-pills { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 10px; }
.xp-pills span {
  padding: 5px 13px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted);
}

/* highlight + language + volunteer cards */
.card-grid { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .card-grid.two { grid-template-columns: 1fr 1fr; } .card-grid.three { grid-template-columns: 1fr 1fr; } .card-grid.fit { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); } }
@media (min-width: 1100px) { .card-grid.three { grid-template-columns: repeat(3, 1fr); } }
.mini-card {
  display: flex; gap: 20px; align-items: center;
  padding: 22px 24px; border-radius: var(--radius-m);
  border: 1px solid var(--line); background: var(--surface);
}
.mini-card .tile { background: var(--bg); }
.mini-card h4 { font-size: 1.125rem; font-weight: 500; }
.mini-card .sub { color: var(--muted); font-size: 0.9375rem; margin-top: 3px; }
.mini-card .date { color: var(--muted); font-size: 0.8125rem; letter-spacing: 0.06em; text-transform: uppercase; margin-top: 6px; }
.org-mark {
  width: 56px; height: 56px; flex: none; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 0.875rem; letter-spacing: 0.02em;
}
.org-mark img { width: 100%; height: 100%; object-fit: contain; border-radius: 12px; }

/* certifications */
.cert-list { list-style: none; }
.cert {
  display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; gap: 0 22px; align-items: center;
  padding-block: 18px; border-bottom: 1px solid var(--line);
}
.cert:first-child { padding-top: 4px; }
.cert-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--c, var(--accent)); }
.cert-name { font-size: 1.125rem; font-weight: 500; line-height: 1.3; }
.cert-name a { display: inline-flex; align-items: center; gap: 8px; }
.cert-name a .ic { width: 16px; height: 16px; color: var(--muted); }
.cert-name a:hover { color: var(--accent); }
.cert-issuer { color: var(--muted); font-size: 0.9375rem; margin-top: 2px; }
.cert-date { color: var(--muted); font-size: 0.8125rem; letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap; }

.lang-card { padding: 22px 24px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); }
.lang-card h4 { font-size: 1.125rem; font-weight: 500; }
.lang-card p { color: var(--muted); margin-top: 4px; }

/* ---------- PROJECT CARDS ---------- */
.projects-grid { display: grid; gap: 28px; grid-template-columns: 1fr; margin-top: clamp(48px, 6vw, 80px); }
@media (min-width: 720px) { .projects-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1120px) { .projects-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.pcard {
  position: relative; display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--radius-l);
  background: var(--surface); overflow: hidden;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.pcard:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); transform: translateY(-3px); box-shadow: var(--shadow); }
.pcard-cover { aspect-ratio: 16 / 9; background: var(--surface-2); border-bottom: 1px solid var(--line); overflow: hidden; }
.pcard-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.pcard:hover .pcard-cover img { transform: scale(1.025); }
.pcard-body { display: flex; flex-direction: column; flex: 1; padding: 28px 28px 26px; }
.pcard-title { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.pcard h3 { font-size: 1.3125rem; font-weight: 500; color: var(--accent); line-height: 1.3; }
.pcard h3 a::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: inherit; }
.pcard h3 a:focus-visible { outline: none; }
.pcard:has(h3 a:focus-visible) { outline: 2px solid var(--accent); outline-offset: 3px; }
.pcard .go { color: var(--muted); width: 18px; height: 18px; margin-top: 4px; transition: color .2s, transform .2s; }
.pcard:hover .go { color: var(--accent); transform: translate(2px, -2px); }
.star-pill {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; margin-bottom: 14px;
  padding: 4px 11px; border-radius: 999px; background: var(--accent-soft); color: var(--accent);
  font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.04em;
}
.star-pill .ic { width: 13px; height: 13px; fill: currentColor; }
.pcard-icons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 14px; color: var(--muted); }
.pcard-icons .ic { width: 20px; height: 20px; }
.pcard-summary { margin-top: 14px; color: var(--fg-2); font-size: 0.9688rem; line-height: 1.7; }
.pcard ul { margin-top: 16px; padding-left: 20px; color: var(--fg-2); display: grid; gap: 8px; font-size: 0.9688rem; }
.pcard li { line-height: 1.65; }
.pcard li::marker { color: var(--muted); }
.pcard-foot {
  margin-top: auto; padding-top: 28px;
}
.pcard-foot .rule { margin-bottom: 22px; }
.pcard-stack { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.pcard-links { position: relative; z-index: 2; display: flex; gap: 8px; margin-top: 16px; }
.pcard-links a {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line); font-size: 0.875rem; font-weight: 500; color: var(--fg-2); background: var(--bg);
  transition: border-color .2s, color .2s;
}
.pcard-links a:hover { border-color: var(--accent); color: var(--accent); }
.pcard-links .ic { width: 15px; height: 15px; }
.more-head { margin-top: clamp(80px, 9vw, 120px); display: flex; align-items: center; gap: 22px; }
.more-head h3 { font-size: var(--step-3); font-weight: 400; }
.more-head p { color: var(--muted); margin-top: 4px; }
.projects-grid.compact { margin-top: 40px; }

.projects-grid.compact .pcard-body { padding: 24px; }
.projects-grid.compact h3 { font-size: 1.1875rem; }

/* ---------- CONTACT BAND + FOOTER ---------- */
.contact {
  position: relative; background: var(--band); color: var(--band-fg);
  padding-block: clamp(90px, 10vw, 140px) clamp(90px, 9vw, 120px); overflow: hidden; isolation: isolate;
}
.contact::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background:
    radial-gradient(600px 400px at 8% 70%, rgba(255,255,255,.06), transparent 70%),
    radial-gradient(500px 500px at 92% 20%, rgba(0,0,0,.08), transparent 70%);
}
.contact .section-head h2 { color: var(--band-fg); font-weight: 400; font-size: var(--step-4); }
.contact .section-head .eyebrow { color: var(--band-muted); }
.contact .section-head .eyebrow::before { background: var(--accent-on-dark); }
.contact .lede { color: var(--band-muted); font-size: var(--step-1); text-align: center; margin-top: 16px; }
.contact-card {
  margin: clamp(40px, 5vw, 64px) auto 0; max-width: 1170px;
  display: grid; grid-template-columns: 1fr; border-radius: var(--radius-l);
  background: var(--bg); color: var(--fg); box-shadow: 0 30px 60px -30px rgba(0,0,0,.45);
}
@media (min-width: 860px) { .contact-card { grid-template-columns: 1fr 1fr; } }
.contact-col { padding: clamp(32px, 4vw, 56px); display: grid; align-content: start; gap: 26px; min-width: 0; }
.contact-col + .contact-col { border-top: 1px solid var(--line); }
@media (min-width: 860px) { .contact-col + .contact-col { border-top: 0; border-left: 1px solid var(--line); align-content: center; } }
.contact-col .label { color: var(--accent); }
.c-item { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 18px; align-items: center; }
.c-item .tile { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.c-item .label { color: var(--muted); font-size: 0.75rem; }
.c-item a { font-size: 1.0625rem; font-weight: 500; overflow-wrap: anywhere; border-bottom: 1px solid currentColor; transition: color .2s; }
.c-item a:hover { color: var(--accent); }
.c-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.contact-col .muted { color: var(--fg-2); }

.site-footer { background: var(--footer); color: var(--footer-fg); padding-block: clamp(70px, 8vw, 110px) calc(120px + env(safe-area-inset-bottom, 0px)); }
.footer-top { display: grid; gap: 40px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .footer-top { grid-template-columns: 1fr auto; } }
.footer-top .label { color: var(--accent-on-dark); }
.footer-name { font-size: var(--step-3); font-weight: 400; margin-top: 18px; }
.footer-loc { color: var(--footer-muted); margin-top: 14px; }
.footer-links { display: grid; gap: 30px; align-content: start; }
.footer-links .label { color: var(--footer-muted); font-size: 0.8125rem; display: block; margin-bottom: 10px; }
.footer-links a { display: inline-block; border-bottom: 1px solid currentColor; margin-right: 18px; transition: color .2s; }
.footer-links a:hover { color: var(--accent-on-dark); }
.footer-bottom {
  margin-top: 56px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; color: var(--footer-muted); font-size: 0.9375rem;
}
.footer-bottom a { display: inline-flex; align-items: center; gap: 8px; transition: color .2s; }
.footer-bottom a:hover { color: var(--footer-fg); }
.footer-bottom .ic { width: 16px; height: 16px; }

/* ---------- DOCKS ---------- */
.dock {
  position: fixed; z-index: 50; bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  display: flex; gap: 4px; padding: 7px; border-radius: 18px;
  background: var(--dock); box-shadow: 0 16px 34px -14px rgba(0,0,0,.5), inset 0 0 0 1px var(--dock-ring);
}
.dock-main { left: 50%; transform: translateX(-50%); }
.dock-side { left: calc(32px + env(safe-area-inset-left, 0px)); }
.dock-btn {
  position: relative; width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; color: var(--dock-fg);
  transition: color .2s ease, background-color .2s ease;
}
.dock-btn .ic { width: 20px; height: 20px; }
.dock-btn:hover { color: var(--accent-on-dark); background: rgba(255,255,255,.05); }
.dock-btn.is-active { color: var(--accent-on-dark); background: rgba(255,255,255,.08); }
.dock-btn.is-active::before {
  content: ""; position: absolute; bottom: 5px; left: 50%; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: currentColor;
}
.dock-btn::after {
  content: attr(data-label); position: absolute; bottom: calc(100% + 12px); left: 50%;
  transform: translate(-50%, 4px); opacity: 0; pointer-events: none;
  padding: 5px 11px; border-radius: 8px; white-space: nowrap;
  background: var(--accent); color: #fff; font-size: 0.8125rem; font-weight: 500;
  transition: opacity .18s ease, transform .18s ease;
}
.dock-btn:hover::after, .dock-btn:focus-visible::after { opacity: 1; transform: translate(-50%, 0); }
.dock-sep { width: 1px; margin: 10px 4px; background: rgba(255,255,255,.12); }
.only-narrow { display: none; }
@media (max-width: 759px) {
  .dock-side { display: none; }
  .only-narrow { display: grid; }
  .dock-sep.only-narrow { display: block; }
  .dock-btn { width: 44px; height: 44px; }
  .dock { bottom: calc(14px + env(safe-area-inset-bottom, 0px)); }
}

/* ---------- PROJECT PAGE ---------- */
.p-top { padding-top: calc(28px + env(safe-area-inset-top, 0px)); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.p-top a { display: inline-flex; align-items: center; gap: 8px; color: var(--fg-2); font-weight: 500; transition: color .2s; }
.p-top a:hover { color: var(--accent); }
.p-top .ic { width: 18px; height: 18px; }
.p-hero { position: relative; padding-block: clamp(40px, 6vw, 80px) clamp(40px, 5vw, 64px); isolation: isolate; }
.p-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: linear-gradient(to bottom, #000 40%, transparent); mask-image: linear-gradient(to bottom, #000 40%, transparent);
}
.p-hero h1 { font-size: var(--step-4); font-weight: 500; letter-spacing: -0.025em; margin-top: 18px; max-width: 22ch; }
.p-tagline { margin-top: 18px; font-size: clamp(1.0625rem, 0.98rem + 0.45vw, 1.375rem); color: var(--fg-2); max-width: 46ch; line-height: 1.45; }
.p-keywords { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; max-width: 900px; }
.p-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border-block: 1px solid var(--line); margin-top: clamp(40px, 5vw, 60px);
}
.fact { padding: 22px 24px 22px 0; }
.fact + .fact { padding-left: 24px; border-left: 1px solid var(--line); }
@media (max-width: 640px) { .fact + .fact { border-left: 0; padding-left: 0; } .facts { grid-template-columns: 1fr 1fr; } }
.fact .label { font-size: 0.75rem; }
.fact p { margin-top: 6px; font-size: 1rem; font-weight: 500; }

.p-media { margin-top: clamp(36px, 4vw, 56px); }
.p-cover { border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line); background: var(--surface-2); aspect-ratio: 16 / 9; width: 100%; max-width: 1040px; }
.p-cover img { width: 100%; height: 100%; object-fit: cover; }
.video-grid { display: grid; gap: 24px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .video-grid.multi { grid-template-columns: 1fr 1fr; } }
.video figure { margin: 0; }
.video-frame {
  position: relative; aspect-ratio: 16 / 9; max-width: 100%; border-radius: var(--radius-m); overflow: hidden;
  background: #2B2A2E; border: 1px solid var(--line);
}
.video-frame iframe, .video-frame video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.yt-facade {
  position: absolute; inset: 0; width: 100%; height: 100%; display: grid; place-items: center;
  background-size: cover; background-position: center; color: #fff;
}
.yt-facade::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,19,22,.1), rgba(20,19,22,.55)); }
.yt-play {
  position: relative; width: 78px; height: 78px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); box-shadow: 0 10px 30px -8px rgba(0,0,0,.6); transition: transform .2s ease;
}
.yt-play .ic { width: 30px; height: 30px; margin-left: 4px; fill: #fff; stroke: #fff; }
.yt-facade:hover .yt-play { transform: scale(1.07); }
.yt-facade .yt-note { position: absolute; left: 18px; bottom: 14px; font-size: 0.875rem; color: rgba(255,255,255,.85); }
.video figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 12px; color: var(--fg-2); font-weight: 500; }
.video figcaption a { color: var(--muted); font-size: 0.9375rem; display: inline-flex; gap: 6px; align-items: center; }
.video figcaption a:hover { color: var(--accent); }
.video figcaption .ic { width: 15px; height: 15px; }

.p-layout { display: grid; gap: 48px; grid-template-columns: minmax(0, 1fr); padding-block: clamp(56px, 7vw, 96px); }
@media (min-width: 1040px) { .p-layout { grid-template-columns: 220px minmax(0, 1fr); gap: 80px; } }
.toc { display: none; }
@media (min-width: 1040px) {
  .toc { display: block; position: sticky; top: 40px; align-self: start; }
  .toc .label { display: block; margin-bottom: 16px; }
  .toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; border-left: 1px solid var(--line); }
  .toc a { display: block; padding: 6px 0 6px 18px; margin-left: -1px; border-left: 2px solid transparent; color: var(--muted); font-size: 0.9375rem; transition: color .2s, border-color .2s; }
  .toc a:hover { color: var(--fg); }
  .toc a.is-active { color: var(--accent); border-color: var(--accent); }
}
.p-article { min-width: 0; max-width: 980px; display: grid; gap: clamp(64px, 7vw, 96px); }
.p-sec { scroll-margin-top: 32px; min-width: 0; }
.p-sec > .label { display: block; margin-bottom: 12px; color: var(--accent); }
.p-sec h2 { font-size: var(--step-3); font-weight: 400; }
.p-sec > p, .p-prose { margin-top: 18px; color: var(--fg-2); font-size: 1.0625rem; line-height: 1.75; max-width: 70ch; }
bdi[dir="rtl"] { font-family: "Noto Naskh Arabic", "Segoe UI", Tahoma, sans-serif; white-space: nowrap; }
.action-list { list-style: none; margin-top: 28px; display: grid; gap: 22px; counter-reset: act; }
.action-list li { position: relative; padding-left: 40px; color: var(--fg-2); font-size: 1.0313rem; line-height: 1.75; }
.action-list li::before {
  content: ""; position: absolute; left: 6px; top: 0.72em; width: 18px; height: 1.5px; background: var(--accent);
}

.pipeline { list-style: none; margin-top: 34px; display: grid; counter-reset: step; }
.pipeline li {
  position: relative; counter-increment: step;
  display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 2px 20px; padding-bottom: 28px;
}
.pipeline li:last-child { padding-bottom: 0; }
.pipeline li::before {
  content: counter(step, decimal-leading-zero); grid-row: 1 / span 2;
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--line); background: var(--surface);
  font-family: var(--font-hand); font-size: 1.4rem; line-height: 1; color: var(--accent);
}
.pipeline li:not(:last-child)::after {
  content: ""; position: absolute; left: 23px; top: 52px; bottom: 6px; width: 1px;
  background: repeating-linear-gradient(to bottom, var(--line) 0 5px, transparent 5px 10px);
}
.pipeline strong { padding-top: 10px; font-weight: 600; font-size: 1rem; line-height: 1.35; }
.pipeline span { color: var(--fg-2); font-size: 0.9688rem; line-height: 1.6; }
@media (min-width: 760px) {
  .pipeline li { grid-template-columns: 46px minmax(0, 220px) minmax(0, 1fr); gap: 0 24px; }
  .pipeline li::before { grid-row: auto; }
  .pipeline span { padding-top: 10px; }
}

.examples { margin-top: 28px; display: grid; gap: 12px; justify-items: end; padding: 28px; border-radius: var(--radius-l); background: var(--surface); border: 1px solid var(--line); }
.examples .label { justify-self: start; }
.bubble {
  max-width: 100%; padding: 10px 16px; border-radius: 18px 18px 4px 18px; background: var(--accent); color: #fff;
  font-family: "Noto Naskh Arabic", "Segoe UI", Tahoma, sans-serif; font-size: 1.0625rem; line-height: 1.6;
}
.snippet { margin-top: 28px; }
.snippet .label { display: block; margin-bottom: 10px; text-transform: none; letter-spacing: 0; font-size: 0.9375rem; }
.snippet pre {
  margin: 0; padding: 22px 24px; overflow-x: auto; border-radius: var(--radius-m);
  background: var(--code-bg); color: var(--code-fg); font-family: var(--font-mono); font-size: 0.9375rem; line-height: 1.7;
}

.metrics { display: grid; gap: 16px; margin-top: 30px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.metric { padding: 24px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); }
.metric b { display: block; font-size: clamp(1.75rem, 1.5rem + 0.8vw, 2.25rem); font-weight: 500; line-height: 1; color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.metric span { display: block; margin-top: 12px; color: var(--fg-2); font-size: 0.9375rem; line-height: 1.45; }

.challenges { margin-top: 30px; display: grid; gap: 18px; }
.challenge { display: grid; grid-template-columns: 1fr; border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; }
@media (min-width: 760px) { .challenge { grid-template-columns: 1fr 1fr; } }
.challenge > div { padding: 22px 24px; }
.challenge > div:first-child { background: var(--surface); }
.challenge > div + div { border-top: 1px solid var(--line); }
@media (min-width: 760px) { .challenge > div + div { border-top: 0; border-left: 1px solid var(--line); } }
.challenge .label { font-size: 0.75rem; display: block; margin-bottom: 8px; }
.challenge > div + div .label { color: var(--accent); }
.challenge p { color: var(--fg-2); line-height: 1.65; }

.stack-groups { margin-top: 30px; display: grid; gap: 28px; }
.stack-groups .label { display: block; margin-bottom: 14px; }

.gallery { margin-top: 30px; display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .gallery { grid-template-columns: 1fr 1fr; } }
.shot { margin: 0; }
.shot button { display: block; width: 100%; border-radius: var(--radius-m); overflow: hidden; border: 1px solid var(--line); background: var(--surface-2); cursor: zoom-in; }
.shot img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: #FFFFFF; transition: transform .4s ease; }
.shot button:hover img { transform: scale(1.02); }
.shot figcaption { margin-top: 10px; color: var(--muted); font-size: 0.9375rem; line-height: 1.5; }

.next-list { list-style: none; margin-top: 26px; display: grid; gap: 12px; }
.next-list li { display: flex; gap: 14px; align-items: baseline; color: var(--fg-2); font-size: 1.0313rem; }
.next-list li::before { content: "○"; color: var(--accent); flex: none; }

.p-nav { display: grid; gap: 18px; grid-template-columns: 1fr; padding-bottom: clamp(70px, 8vw, 110px); }
@media (min-width: 760px) { .p-nav { grid-template-columns: 1fr 1fr; } }
.p-nav a {
  display: grid; gap: 8px; padding: 28px 30px; border-radius: var(--radius-l); border: 1px solid var(--line); background: var(--surface);
  transition: border-color .2s, transform .2s;
}
.p-nav a:hover { border-color: var(--accent); transform: translateY(-2px); }
.p-nav a.next { text-align: right; }
.p-nav .label { display: inline-flex; align-items: center; gap: 8px; }
.p-nav a.next .label { justify-content: flex-end; }
.p-nav .label .ic { width: 15px; height: 15px; }
.p-nav strong { font-size: 1.25rem; font-weight: 500; color: var(--accent); }

.notfound { min-height: 70vh; display: grid; place-content: center; text-align: center; gap: 20px; padding-block: 80px; }
.notfound h1 { font-size: var(--step-4); }
.notfound p { color: var(--fg-2); }

/* lightbox */
.lightbox {
  width: min(1200px, 100vw - 32px); max-width: none; max-height: calc(100vh - 32px); padding: 0; border: 0; border-radius: var(--radius-l);
  background: var(--bg); color: var(--fg); box-shadow: 0 40px 80px -20px rgba(0,0,0,.6);
}
.lightbox::backdrop { background: rgba(20, 19, 22, .82); }
.lightbox figure { margin: 0; display: grid; }
.lightbox img { width: 100%; max-height: calc(100vh - 140px); object-fit: contain; background: var(--surface-2); }
.lightbox figcaption { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 16px 20px; color: var(--fg-2); }
.lb-btns { display: flex; gap: 6px; flex: none; }
.lb-btns button { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; border: 1px solid var(--line); }
.lb-btns button:hover { border-color: var(--accent); color: var(--accent); }
.lb-btns .ic { width: 18px; height: 18px; }

.toast {
  position: fixed; left: 50%; bottom: calc(100px + env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 10px); z-index: 60;
  padding: 10px 18px; border-radius: 999px; background: var(--fg); color: var(--bg); font-weight: 500; font-size: 0.9375rem;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* =====================================================================
   VISUAL BLOCKS (project pages)
   ===================================================================== */
.viz-stack { display: grid; gap: 28px; margin-top: 28px; min-width: 0; }
.viz-stack > *, .viz-row > *, [role="tabpanel"] { min-width: 0; }
.viz-row { display: grid; gap: 22px; grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 900px) { .viz-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.viz-title { font-weight: 600; font-size: 1rem; color: var(--fg); }
.viz-sub { color: var(--muted); font-size: 0.875rem; margin-top: 2px; }
.viz-note { color: var(--muted); font-size: 0.875rem; line-height: 1.55; margin-top: 12px; }

/* stat tiles */
.stat-block .viz-title { margin-bottom: 12px; }
.stat-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.stat { padding: 20px 22px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); min-width: 0; }
.stat-value { font-size: clamp(1.6rem, 1.3rem + 1vw, 2.15rem); font-weight: 500; line-height: 1.05; letter-spacing: -0.02em; color: var(--accent); }
.stat-label { margin-top: 10px; color: var(--fg); font-weight: 500; font-size: 0.9375rem; line-height: 1.35; }
.stat-sub { margin-top: 4px; color: var(--muted); font-size: 0.8125rem; line-height: 1.4; }

/* chart cards */
.viz-card { margin: 0; padding: 20px 22px 18px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); min-width: 0; }
.viz-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.viz-toggle {
  flex: none; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg);
  font-size: 0.8125rem; font-weight: 500; color: var(--fg-2); transition: border-color .2s, color .2s;
}
.viz-toggle:hover, .viz-toggle[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.viz-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: -4px 0 12px; font-size: 0.8125rem; color: var(--fg-2); }
.viz-legend-item { display: inline-flex; align-items: center; gap: 7px; }
.viz-key-line { width: 14px; height: 2px; border-radius: 2px; }
.viz-key-box { width: 10px; height: 10px; border-radius: 3px; }
.viz-plot { width: 100%; min-width: 0; }
.viz-plot svg { display: block; overflow: visible; font-family: var(--font-sans); }
.viz-grid { stroke: var(--line); stroke-width: 1; shape-rendering: crispEdges; }
.viz-axis { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.viz-cat { fill: var(--fg-2); font-size: 13px; }
.viz-cat.is-strong { fill: var(--fg); font-weight: 600; }
.viz-val { fill: var(--fg-2); font-size: 12px; font-variant-numeric: tabular-nums; }
.viz-inbar { font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; pointer-events: none; }
.viz-fill-1 { fill: var(--viz-1); }
.viz-fill-muted { fill: var(--viz-muted); }
.viz-mark { cursor: default; outline: none; }
.viz-mark:hover path, .viz-mark:hover rect:not([fill="transparent"]), .viz-mark:focus-visible path, .viz-mark:focus-visible rect:not([fill="transparent"]) { opacity: .78; }
.viz-mark:focus-visible rect[fill="transparent"], .viz-hit:focus-visible { stroke: var(--accent); stroke-width: 1.5; }
.viz-hit { outline: none; cursor: crosshair; }
.viz-cross { stroke: var(--muted); stroke-width: 1; }
.viz-ring { stroke: var(--surface); stroke-width: 2; }
.viz-tip {
  position: fixed; z-index: 80; pointer-events: none; min-width: 120px; max-width: 260px;
  padding: 10px 12px; border-radius: 10px; background: var(--fg); color: var(--bg);
  font-size: 0.8125rem; line-height: 1.35; box-shadow: 0 12px 28px -12px rgba(0,0,0,.45);
}
.viz-tip-title { font-weight: 600; margin-bottom: 6px; }
.viz-tip-row { display: flex; align-items: center; gap: 8px; }
.viz-tip-row + .viz-tip-row { margin-top: 3px; }
.viz-tip-row strong { font-variant-numeric: tabular-nums; font-weight: 600; }
.viz-tip-row span:not(.viz-tip-key) { opacity: .75; }
.viz-tip-key { width: 12px; height: 2px; border-radius: 2px; flex: none; }

/* tables */
.data-table .viz-title { margin-bottom: 10px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--surface); }
.data-table table, .viz-table table { width: 100%; border-collapse: collapse; font-size: 0.9063rem; }
.data-table th, .data-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table thead th { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); background: var(--bg); white-space: nowrap; }
.data-table tbody th { font-weight: 500; color: var(--fg); }
.data-table td { color: var(--fg-2); }
.data-table tr:last-child th, .data-table tr:last-child td { border-bottom: 0; }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.viz-table .data-table .table-scroll { max-height: 360px; overflow: auto; border: 0; background: transparent; }

/* metric switch + tabs */
.metric-switch { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.metric-switch .label { margin-right: 6px; }
.metric-switch button, .tab-list button {
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface);
  font-size: 0.875rem; font-weight: 500; color: var(--fg-2); transition: border-color .2s, color .2s, background-color .2s;
}
.metric-switch button:hover, .tab-list button:hover { border-color: var(--accent); color: var(--accent); }
.metric-switch button[aria-pressed="true"], .tab-list button[aria-selected="true"] { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.tab-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }

/* diagram */
.diagram { margin: 0; }
.diagram-scroll { overflow-x: auto; padding: 22px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--bg); }
.diagram-scroll svg, .diagram-scroll img { width: 100%; min-width: var(--min-w, 0px); height: auto; display: block; }
.diagram figcaption { color: var(--muted); font-size: 0.875rem; margin-top: 10px; }

/* input -> output */
.io-list { display: grid; gap: 16px; }
.io { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); align-items: stretch; }
@media (min-width: 760px) { .io { grid-template-columns: minmax(0, 0.9fr) 36px minmax(0, 1.1fr); } }
.io-in, .io-out { padding: 18px 20px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); min-width: 0; }
.io-in p { margin-top: 8px; color: var(--fg-2); line-height: 1.6; }
.io-arrow { display: grid; place-items: center; color: var(--muted); }
.io-arrow .ic { width: 22px; height: 22px; }
@media (max-width: 759px) { .io-arrow { transform: rotate(90deg); height: 20px; } }
.io-screen { margin-top: 10px; padding: 14px; border-radius: 10px; background: #1F1E21; display: grid; gap: 10px; justify-items: start; }
.io-box { padding: 4px 10px; border: 2px solid #3FBF7F; border-radius: 4px; color: #DFF5E9; font-size: 0.8125rem; font-weight: 600; letter-spacing: .02em; }
.io-banner { display: flex; align-items: center; gap: 8px; width: 100%; padding: 9px 12px; border-radius: 6px; background: var(--alert); color: #fff; font-weight: 600; font-size: 0.9375rem; }
.io-banner .ic { width: 18px; height: 18px; flex: none; }
.io-log { display: block; margin-top: 10px; font-family: var(--font-mono); font-size: 0.8125rem; color: var(--fg-2); overflow-wrap: anywhere; }

/* team */
.team { margin-top: 26px; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.member { display: flex; gap: 16px; align-items: center; padding: 18px 20px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); }
.member .avatar { width: 46px; height: 46px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--bg); border: 1px solid var(--line); color: var(--fg-2); font-weight: 600; font-size: 0.875rem; }
.member.is-me .avatar { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.member-name { font-weight: 600; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.member-role { color: var(--fg-2); font-size: 0.9375rem; margin-top: 3px; line-height: 1.45; }
.me-pill { padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 0.75rem; font-weight: 600; }

/* story grid */
.star-grid { margin-top: 26px; display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 760px) { .star-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .star-card.wide { grid-column: 1 / -1; } }
.star-card { padding: 20px 22px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); min-width: 0; }
.star-card .label { color: var(--accent); }
.star-card p { margin-top: 8px; color: var(--fg-2); line-height: 1.7; }
.star-card .action-list { margin-top: 12px; gap: 12px; }
.star-card .action-list li { font-size: 0.9688rem; }
.star-card.is-result { background: var(--accent-soft); border-color: transparent; }
.star-card.is-result p { color: var(--fg); }

/* limitations + next */
.two-lists { margin-top: 26px; display: grid; gap: 28px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 760px) { .two-lists { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.two-lists .next-list { margin-top: 12px; }
.two-lists .next-list li { font-size: 0.9688rem; line-height: 1.6; }
.next-list.is-limit li::before { content: "–"; color: var(--muted); }

/* dot legend key + strong value labels (dumbbell) */
.viz-key-dot { width: 10px; height: 10px; border-radius: 50%; }
.viz-val.is-strong { fill: var(--fg); font-weight: 600; font-size: 13px; }

/* shared bar above animated blocks: run picker + replay */
.anim-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; }
.anim-replay { display: inline-flex; align-items: center; gap: 6px; }
.anim-replay .ic { width: 14px; height: 14px; }
.flow > .viz-sub + .anim-bar, .flow > .viz-title + .anim-bar { margin-top: 14px; }

/* animated pipeline */
.flow { container-type: inline-size; padding: 20px 22px 22px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); }
.flow-steps { list-style: none; margin: 24px 0 0; padding: 0; display: grid; }
.flow-step { position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 14px; padding-bottom: 20px; }
.flow-step:last-child { padding-bottom: 0; }
.flow-step::before, .flow-step::after { content: ""; position: absolute; left: 21px; top: 46px; bottom: 2px; width: 2px; border-radius: 2px; background: var(--line); }
.flow-step::after { background: var(--accent); transform: scaleY(0); transform-origin: top; transition: transform .6s ease; }
.flow-step.is-done::after { transform: scaleY(1); }
.flow-step.is-skipped::after { transform: scaleY(1); background: var(--muted); opacity: .45; }
.flow-step:last-child::before, .flow-step:last-child::after { display: none; }
.flow-dot {
  position: relative; z-index: 1; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--line); background: var(--bg); color: var(--muted);
  transition: background-color .3s, color .3s, border-color .3s, box-shadow .3s, opacity .3s;
}
.flow-dot .ic { width: 20px; height: 20px; }
.flow-step.is-optional .flow-dot { border-style: dashed; border-color: var(--muted); }
.flow-step.is-active .flow-dot { border-color: var(--accent); border-style: solid; color: var(--accent); animation: flow-pulse .75s ease-in-out infinite alternate; }
.flow-step.is-done .flow-dot { background: var(--accent); border-color: var(--accent); border-style: solid; color: #fff; }
.flow-step.is-skipped .flow-dot { opacity: .5; }
@keyframes flow-pulse { from { box-shadow: 0 0 0 2px var(--accent-soft); } to { box-shadow: 0 0 0 9px var(--accent-soft); } }
.flow-body { min-width: 0; padding-top: 2px; }
.flow-name { display: flex; align-items: baseline; gap: 8px; font-weight: 600; color: var(--fg); line-height: 1.3; }
.flow-num { font-size: 0.75rem; font-weight: 500; color: var(--muted); font-variant-numeric: tabular-nums; letter-spacing: .04em; }
.flow-tag { display: inline-block; margin-top: 6px; padding: 2px 9px; border-radius: 999px; border: 1px dashed var(--muted); font-size: 0.75rem; color: var(--fg-2); }
.flow-text { margin-top: 5px; color: var(--fg-2); font-size: 0.875rem; line-height: 1.5; }
.flow-text code, .flow-total code { font-family: var(--font-mono); font-size: .85em; }
.flow-result {
  margin-top: 8px; min-height: 1.4em; color: var(--fg); font-size: 0.8125rem; font-weight: 600; line-height: 1.4;
  font-variant-numeric: tabular-nums; opacity: 0; transform: translateY(4px); transition: opacity .35s ease, transform .35s ease;
}
.flow-step.is-done .flow-result, .flow-step.is-skipped .flow-result { opacity: 1; transform: none; }
.flow-step.is-skipped .flow-result { color: var(--muted); font-weight: 500; }
.flow-step.is-skipped .flow-name, .flow-step.is-skipped .flow-text { opacity: .6; }
.flow-total {
  display: flex; align-items: flex-start; gap: 10px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line);
  color: var(--fg); font-weight: 500; line-height: 1.5; opacity: 0; transition: opacity .4s ease;
}
.flow-total .ic { width: 18px; height: 18px; flex: none; margin-top: 2px; color: var(--accent); }
.flow.is-finished .flow-total { opacity: 1; }
@container (min-width: 820px) {
  .flow-steps { grid-template-columns: repeat(var(--n), minmax(0, 1fr)); column-gap: 16px; }
  .flow-step { grid-template-columns: minmax(0, 1fr); gap: 12px; padding-bottom: 0; align-content: start; }
  .flow-step::before, .flow-step::after { left: 52px; right: -8px; top: 21px; bottom: auto; width: auto; height: 2px; }
  .flow-step::after { transform: scaleX(0); transform-origin: left; }
  .flow-step.is-done::after, .flow-step.is-skipped::after { transform: scaleX(1); }
}

/* replay of a recorded run */
.replay { container-type: inline-size; padding: 20px 22px 22px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); }
.replay-run { display: grid; gap: 14px; margin-top: 18px; }
.replay-cmd {
  display: flex; gap: 10px; padding: 12px 16px; border-radius: 10px; background: var(--code-bg); color: var(--code-fg);
  font-family: var(--font-mono); font-size: 0.8125rem; line-height: 1.6;
}
.replay-cmd span { color: var(--accent-on-dark); user-select: none; }
.replay-cmd code { min-width: 0; overflow-wrap: anywhere; }
.replay-pane { min-width: 0; padding: 16px 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); }
.replay-label { display: flex; align-items: center; gap: 8px; font-size: 0.75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.replay-label .ic { width: 16px; height: 16px; flex: none; color: var(--accent); }
.replay-text { margin-top: 10px; color: var(--fg-2); line-height: 1.75; }
.replay-text[lang="ar"], .replay-sum[lang="ar"] { font-family: "Noto Naskh Arabic", "Segoe UI", Tahoma, sans-serif; font-size: 1.0625rem; line-height: 1.9; }
.replay-out { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
@container (min-width: 680px) { .replay-out { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.replay-sum ul { margin: 10px 0 0; padding-inline-start: 20px; display: grid; gap: 8px; color: var(--fg-2); font-size: 0.9375rem; line-height: 1.6; }
.replay-sum[lang="ar"] ul { font-size: 1rem; line-height: 1.85; }
.replay-sum li::marker { color: var(--accent); }
.replay-title { margin-top: 10px; font-weight: 700; color: var(--fg); line-height: 1.5; }
.replay-concl { margin-top: 12px; color: var(--fg); font-size: 0.9375rem; }
.replay-sum code { font-family: var(--font-mono); font-size: .82em; padding: 1px 5px; border-radius: 5px; background: var(--surface); border: 1px solid var(--line); direction: ltr; unicode-bidi: isolate; }
.replay-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.replay-foot .pill { padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); color: var(--fg-2); font-size: 0.8125rem; font-weight: 500; font-variant-numeric: tabular-nums; }
.replay-link { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 500; font-size: 0.9375rem; }
.replay-link .ic { width: 16px; height: 16px; }
.replay-link:hover { color: var(--accent-strong); }
mark.asr-err { background: transparent; color: var(--fg); border-bottom: 2px dotted var(--viz-1); cursor: help; outline: none; }
mark.asr-err:hover, mark.asr-err:focus-visible { background: var(--accent-soft); border-radius: 3px; }
/* reveal, step by step */
.anim .rp { opacity: 0; transform: translateY(8px); transition: opacity .5s ease, transform .5s ease; transition-delay: calc(var(--d, 0) * .7s); }
.anim .replay-sum li { opacity: 0; transition: opacity .4s ease; transition-delay: calc(var(--d, 0) * .7s + .3s + var(--k, 0) * .14s); }
.anim .is-in .rp, .anim .is-in .replay-sum li { opacity: 1; transform: none; }
.anim .no-tr .rp, .anim .no-tr .replay-sum li, .anim .no-tr .chat-fare { transition: none; }

/* where errors come from */
.err-block { display: grid; gap: 14px; container-type: inline-size; }
.err-grid { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
@container (min-width: 680px) { .err-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.err-card { min-width: 0; padding: 18px 20px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); }
.err-head { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--fg); }
.err-head .ic { width: 20px; height: 20px; flex: none; color: var(--accent); }
.err-card > .viz-sub { margin-top: 4px; }
.err-pairs, .err-items { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.err-pairs li { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); }
.err-heard { color: var(--fg); font-weight: 600; border-bottom: 2px dotted var(--viz-1); line-height: 1.5; }
.err-heard[lang="ar"] { font-family: "Noto Naskh Arabic", "Segoe UI", Tahoma, sans-serif; font-size: 1.0625rem; font-weight: 600; }
.err-arrow { display: inline-flex; color: var(--muted); }
.err-arrow .ic { width: 16px; height: 16px; }
.err-meant { color: var(--fg-2); }
.err-where { margin-left: auto; color: var(--muted); font-size: 0.75rem; }
.err-items { gap: 10px; }
.err-items li { display: grid; gap: 6px; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); }
.err-tag { justify-self: start; padding: 2px 9px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 0.75rem; font-weight: 600; }
.err-items p { color: var(--fg-2); font-size: 0.9375rem; line-height: 1.6; }
.err-items code, .err-takeaway code { font-family: var(--font-mono); font-size: .85em; overflow-wrap: anywhere; }
.err-takeaway { display: flex; align-items: flex-start; gap: 10px; padding: 14px 16px; border-radius: var(--radius-m); background: var(--accent-soft); color: var(--fg); line-height: 1.6; }
.err-takeaway .ic { width: 18px; height: 18px; flex: none; margin-top: 3px; color: var(--accent); }

/* tables with `stack: true` turn into one card per row on phones */
@media (max-width: 640px) {
  .data-table.is-stack .table-scroll { overflow: visible; border: 0; border-radius: 0; background: transparent; }
  .data-table.is-stack table, .data-table.is-stack tbody, .data-table.is-stack tr,
  .data-table.is-stack tbody th, .data-table.is-stack td { display: block; width: auto; }
  .data-table.is-stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .data-table.is-stack tr { padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--surface); }
  .data-table.is-stack tr + tr { margin-top: 10px; }
  .data-table.is-stack tbody th { padding: 0 0 6px; border: 0; font-weight: 600; color: var(--fg); }
  .data-table.is-stack td {
    display: grid; grid-template-columns: minmax(92px, 36%) minmax(0, 1fr); gap: 10px;
    padding: 6px 0 0; border: 0; text-align: left; white-space: normal;
  }
  .data-table.is-stack td::before { content: attr(data-label); color: var(--muted); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; padding-top: 2px; }
}

/* a gallery with a single image gets more room */
.gallery:has(> .shot:only-child) { grid-template-columns: minmax(0, 720px); }

/* replayed conversation */
.chat-block { container-type: inline-size; padding: 20px 22px 22px; border-radius: var(--radius-m); border: 1px solid var(--line); background: var(--surface); }
.chat-run { margin-top: 18px; display: grid; gap: 12px; }
.chat-context { color: var(--muted); font-size: 0.875rem; line-height: 1.5; }
.chat-thread { display: flex; flex-direction: column; gap: 10px; padding: 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); }
.chat-msg {
  max-width: min(88%, 560px); padding: 10px 14px; border-radius: 16px; color: var(--fg);
  font-family: "Noto Naskh Arabic", "Segoe UI", Tahoma, sans-serif; font-size: 1.0625rem; line-height: 1.8;
}
.chat-msg.is-user { align-self: flex-end; background: var(--accent-soft); border-end-end-radius: 4px; }
.chat-msg.is-bot { align-self: flex-start; background: var(--surface); border: 1px solid var(--line); border-end-start-radius: 4px; }
.chat-action { align-self: center; display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; border: 1px dashed var(--muted); color: var(--fg-2); font-size: 0.8125rem; font-weight: 500; }
.chat-action .ic { width: 15px; height: 15px; color: var(--accent); }
.chat-tool { align-self: stretch; padding: 12px 14px; border-radius: 10px; background: var(--code-bg); color: var(--code-fg); }
.chat-tool .replay-label { color: var(--code-fg); opacity: .7; }
.chat-tool .replay-label .ic { color: var(--accent-on-dark); }
.chat-tool code { display: block; margin-top: 8px; font-family: var(--font-mono); font-size: 0.8125rem; line-height: 1.6; overflow-wrap: anywhere; }
.chat-tool .viz-note { color: var(--code-fg); opacity: .7; margin-top: 8px; }
.chat-tool .viz-note bdi, .chat-context bdi { white-space: normal; }
.chat-trip { align-self: flex-start; width: min(100%, 420px); padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); }
.chat-trip-top { display: flex; align-items: center; gap: 8px; color: var(--fg); font-weight: 600; font-variant-numeric: tabular-nums; }
.chat-trip-top .ic { width: 16px; height: 16px; color: var(--accent); }
.chat-fares { margin-top: 10px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.chat-fare { display: grid; gap: 2px; padding: 7px 8px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--bg); font-size: 0.75rem; color: var(--muted); }
.chat-fare strong { color: var(--fg); font-size: 0.9375rem; font-variant-numeric: tabular-nums; }
.anim .chat-fare.is-picked { transition: border-color .4s ease, background-color .4s ease; transition-delay: calc(var(--pd, 0) * .7s + .2s); }
.anim .is-in .chat-fare.is-picked, .chat-fare.is-picked:not(.anim *) { border-color: var(--accent); background: var(--accent-soft); }
.chat-trip .viz-note { margin-top: 8px; }

/* hero screenshot (live app) instead of a cover drawing */
.p-shot { margin: 0; width: 100%; max-width: 1040px; }
.p-shot a { display: block; border-radius: var(--radius-l); }
.p-shot img { display: block; width: 100%; height: auto; border-radius: var(--radius-l); border: 1px solid var(--line); background: var(--surface-2); }
.p-shot figcaption { margin-top: 12px; color: var(--muted); font-size: 0.9375rem; }

/* Arabic inside tables: Latin letters keep Space Grotesk, Arabic letters use Noto Naskh */
.data-table [dir="auto"] { font-family: "Space Grotesk", "Noto Naskh Arabic", "Segoe UI", Tahoma, sans-serif; }