/* Amer Alzubaidi portfolio
   Editorial grid, warm paper and ink, one accent. Light and dark share one token set. */

:root {
  --paper: #F3F0E8;
  --paper-2: #E9E4D8;
  --card: #FBF9F4;
  --ink: #16150F;
  --ink-2: #4E4A40;
  --ink-3: #6B665A;
  --rule: #D8D1C2;
  --rule-strong: #16150F;
  --accent: #B8420D;
  --accent-ink: #9A370A;
  --on-accent: #FFFFFF;
  --accent-on-ink: #FF8A4C;
  --ok: #2F6B3F;
  --ok-soft: #E1ECDD;
  --wa-bg: #ECE5D8;
  --wa-in: #FFFFFF;
  --wa-out: #D9EFCB;
  --wa-ink: #16150F;
  --wa-head: #1F5E4A;
  --wa-head-ink: #FFFFFF;
  --shadow: 0 1px 0 rgba(22, 21, 15, .05), 0 18px 40px -26px rgba(22, 21, 15, .45);

  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --font-ar: "IBM Plex Sans Arabic", "Noto Sans Arabic", Tahoma, sans-serif;
  --ease-out: cubic-bezier(.2, .7, .2, 1);
  --z-header: 40;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121210;
    --paper-2: #1C1B18;
    --card: #181715;
    --ink: #ECE8DE;
    --ink-2: #B3AE9F;
    --ink-3: #8E897C;
    --rule: #2F2D28;
    --rule-strong: #ECE8DE;
    --accent: #FF8A4C;
    --accent-ink: #FF9F6B;
    --on-accent: #121210;
    --accent-on-ink: #9A370A;
    --ok: #86C996;
    --ok-soft: #1E2F23;
    --wa-bg: #161613;
    --wa-in: #262521;
    --wa-out: #1F4A35;
    --wa-ink: #ECE8DE;
    --wa-head: #1F5E4A;
    --wa-head-ink: #FFFFFF;
    --shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 18px 40px -24px rgba(0, 0, 0, .8);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper: #121210;
  --paper-2: #1C1B18;
  --card: #181715;
  --ink: #ECE8DE;
  --ink-2: #B3AE9F;
  --ink-3: #8E897C;
  --rule: #2F2D28;
  --rule-strong: #ECE8DE;
  --accent: #FF8A4C;
  --accent-ink: #FF9F6B;
  --on-accent: #121210;
  --accent-on-ink: #9A370A;
  --ok: #86C996;
  --ok-soft: #1E2F23;
  --wa-bg: #161613;
  --wa-in: #262521;
  --wa-out: #1F4A35;
  --wa-ink: #ECE8DE;
  --wa-head: #1F5E4A;
  --wa-head-ink: #FFFFFF;
  --shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 18px 40px -24px rgba(0, 0, 0, .8);
  color-scheme: dark;
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
p { margin: 0 0 1em; text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; }
button { font: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.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 { max-width: 1200px; margin-inline: auto; padding-inline: clamp(20px, 4vw, 40px); }
.muted { color: var(--ink-3); }

.skip {
  position: absolute; left: 12px; top: -80px; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 12px 16px; border-radius: 8px; text-decoration: none;
}
.skip:focus { top: 12px; }

.list-title {
  display: block;
  font: 500 12.5px/1.4 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-3);
  margin: 0 0 12px;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.bar { display: flex; align-items: center; gap: 12px; height: 64px; position: relative; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; min-height: 44px; }
.mark {
  display: grid; place-items: center; width: 34px; height: 34px;
  border: 1.5px solid var(--ink); border-radius: 8px;
  font: 500 12.5px/1 var(--font-mono); letter-spacing: .02em;
}
.brand-name { font-weight: 600; letter-spacing: -.01em; }
.nav ul { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px;
  text-decoration: none; color: var(--ink-2); font-size: 15px; border-radius: 8px;
  transition: color .2s, background-color .2s;
}
.nav a:hover { color: var(--ink); background: var(--paper-2); }
.nav a[aria-current="true"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; }
.icon-btn {
  width: 44px; height: 44px; display: grid; place-items: center; flex: none;
  border: 1px solid var(--rule); border-radius: 10px; background: transparent; color: var(--ink);
  cursor: pointer; transition: background-color .2s, border-color .2s;
}
.icon-btn:hover { background: var(--paper-2); border-color: var(--ink-3); }
.nav-toggle { display: none; }
.theme-toggle .i-sun { display: none; }
.theme-toggle[data-state="dark"] .i-sun { display: block; }
.theme-toggle[data-state="dark"] .i-moon { display: none; }

@media (max-width: 760px) {
  .brand-name { font-size: 15px; }
  .nav { order: 3; }
  .nav-toggle { display: grid; }
  .nav ul {
    display: none; position: absolute; top: 64px; left: calc(-1 * clamp(20px, 4vw, 40px)); right: calc(-1 * clamp(20px, 4vw, 40px));
    flex-direction: column; gap: 0; padding: 8px clamp(20px, 4vw, 40px) 16px;
    background: var(--paper); border-bottom: 1px solid var(--rule); box-shadow: var(--shadow);
  }
  .nav ul.open { display: flex; }
  .nav a { width: 100%; font-size: 17px; border-bottom: 1px solid var(--rule); border-radius: 0; }
  .nav li:last-child a { border-bottom: 0; }
  .nav a[aria-current="true"] { box-shadow: inset 3px 0 0 var(--accent); padding-left: 14px; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 10px;
  font: 500 16px/1 var(--font-sans); text-decoration: none; cursor: pointer;
  border: 1.5px solid transparent;
  transition: background-color .2s var(--ease-out), color .2s, border-color .2s, transform .15s;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-ghost { color: var(--ink); border-color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--paper-2); }
.btn-sm { min-height: 44px; padding: 0 16px; font-size: 15px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn svg { stroke-width: 2; }
.text-btn {
  min-height: 44px; padding: 0 6px; border: 0; background: none; color: var(--accent-ink);
  font: 500 14px var(--font-sans); cursor: pointer; text-decoration: underline; text-underline-offset: 3px;
}

/* Hero */
.hero { padding-block: clamp(40px, 7vw, 96px) 0; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 100%; pointer-events: none;
  background-image: linear-gradient(to right, color-mix(in srgb, var(--rule) 55%, transparent) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 95%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 95%);
  opacity: .6;
}
.hero-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; align-items: end; position: relative; }
.hero-copy { grid-column: 1 / span 7; }
.portrait { grid-column: 9 / span 4; margin: 0; }
.eyebrow {
  display: flex; align-items: center; gap: 10px; margin: 0 0 22px;
  font: 500 13px/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 20%, transparent); flex: none; }
.name {
  margin: 0; font-weight: 600; font-size: clamp(3rem, 8.2vw, 6.4rem);
  line-height: .95; letter-spacing: -.045em;
}
.name-ar {
  display: block; margin-top: 16px;
  font-family: var(--font-ar); font-weight: 500; letter-spacing: 0;
  font-size: clamp(1.45rem, 3vw, 2.2rem); line-height: 1.3; color: var(--ink-3);
  text-align: left;
}
.lead { margin: 28px 0 0; max-width: 40ch; font-size: clamp(1.15rem, 1.8vw, 1.38rem); line-height: 1.5; color: var(--ink-2); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.portrait-frame {
  position: relative; aspect-ratio: 4 / 5; border: 1px solid var(--rule-strong);
  background-color: var(--paper-2);
  background-image: repeating-linear-gradient(135deg, transparent 0 11px, color-mix(in srgb, var(--ink) 7%, transparent) 11px 12px);
}
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.portrait-frame.has-photo { background-image: none; background-color: var(--paper-2); }
.portrait-empty {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 10px;
  color: var(--ink-3); font: 500 13px var(--font-mono); text-transform: uppercase; letter-spacing: .1em;
}
.portrait-empty svg { stroke-width: 1.25; }
.crop { position: absolute; width: 18px; height: 18px; border: 0 solid var(--accent); }
.crop.tl { top: -8px; left: -8px; border-top-width: 2px; border-left-width: 2px; }
.crop.tr { top: -8px; right: -8px; border-top-width: 2px; border-right-width: 2px; }
.crop.bl { bottom: -8px; left: -8px; border-bottom-width: 2px; border-left-width: 2px; }
.crop.br { bottom: -8px; right: -8px; border-bottom-width: 2px; border-right-width: 2px; }
.portrait figcaption { margin-top: 14px; font: 13px/1.4 var(--font-mono); color: var(--ink-3); }

.spec {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: clamp(48px, 7vw, 88px) 0 0; border-top: 1.5px solid var(--rule-strong); position: relative;
}
.spec div { padding: 16px 16px 22px; border-left: 1px solid var(--rule); }
.spec div:first-child { border-left: 0; padding-left: 0; }
.spec dt { font: 500 12.5px var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); }
.spec dd { margin: 6px 0 0; font-weight: 500; line-height: 1.4; }

@media (max-width: 900px) {
  .hero-copy { grid-column: 1 / span 8; }
  .portrait { grid-column: 9 / span 4; }
  .portrait figcaption { font-size: 12px; }
}
@media (max-width: 640px) {
  .hero-copy { grid-column: 1 / -1; }
  .portrait { grid-column: 1 / -1; max-width: 260px; margin-top: 24px; }
}
@media (max-width: 900px) {
  .spec { grid-template-columns: 1fr 1fr; }
  .spec div { border-left: 0; padding-left: 0; border-bottom: 1px solid var(--rule); }
  .spec div:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--rule); }
}
@media (max-width: 420px) {
  .spec { grid-template-columns: 1fr; }
  .spec div:nth-child(even) { padding-left: 0; border-left: 0; }
}

/* Sections */
.section { padding-block: clamp(72px, 10vw, 128px); }
.section-alt { background: var(--paper-2); }
.section-alt .browser, .section-alt .chips li, .section-alt .dash, .section-alt .flow, .section-alt .phone { background: var(--card); }
.section-head {
  display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: 20px; align-items: baseline;
  padding-bottom: 22px; margin-bottom: clamp(36px, 5vw, 60px); border-bottom: 1.5px solid var(--rule-strong);
}
.idx { font: 500 14px var(--font-mono); color: var(--accent-ink); }
.section-head h2 { margin: 0; font-size: clamp(2.1rem, 4.4vw, 3.3rem); line-height: 1.05; letter-spacing: -.035em; font-weight: 600; }
.section-head p { grid-column: 2; margin: 14px 0 0; max-width: 62ch; color: var(--ink-2); }

.section-rule { border-top: 1px solid var(--rule); }

/* Case files */
.case { padding-block: clamp(40px, 6vw, 72px); border-bottom: 1px solid var(--rule); }
.case:first-of-type { padding-top: 0; }
.case-meta {
  display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 18px;
  font: 500 12.5px/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3);
}
.case-meta span:first-child { color: var(--accent-ink); }
.case-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(28px, 4vw, 56px); }
.case-copy { grid-column: span 5; }
.case-media { grid-column: span 7; display: grid; gap: 20px; align-content: start; }
.case.flip .case-copy { order: 2; }
.case h3 { margin: 0; font-size: clamp(2.3rem, 4.6vw, 3.4rem); line-height: 1; letter-spacing: -.04em; font-weight: 600; }
.case-sub { margin: 10px 0 18px; font-size: 1.15rem; color: var(--ink-2); font-weight: 500; }
.case-copy > p { color: var(--ink-2); }
.case-copy .list-title { margin-top: 28px; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.ticks li { position: relative; padding-left: 22px; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .78em; width: 10px; height: 2px; background: var(--accent); }
.note { margin-top: 20px; font-size: 14.5px; color: var(--ink-3); }
.case-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px 24px; margin-top: 36px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chips li { font: 500 13px/1 var(--font-mono); padding: 8px 10px; border: 1px solid var(--rule); border-radius: 6px; background: var(--card); color: var(--ink-2); }
.link-out {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
  font-weight: 600; text-decoration: none; color: var(--ink);
  background-image: linear-gradient(var(--accent), var(--accent)); background-size: 100% 2px; background-position: 0 calc(100% - 8px); background-repeat: no-repeat;
  transition: color .2s;
}
.link-out svg { stroke-width: 2; transition: transform .2s var(--ease-out); }
.link-out:hover { color: var(--accent-ink); }
.link-out:hover svg { transform: translate(2px, -2px); }

@media (max-width: 960px) {
  .case-copy, .case-media { grid-column: 1 / -1; }
  .case.flip .case-copy { order: 0; }
}

/* Browser frame */
.browser {
  display: block; overflow: hidden; text-decoration: none; background: var(--card);
  border: 1px solid var(--rule-strong); border-radius: 12px; box-shadow: var(--shadow);
  transition: transform .25s var(--ease-out), box-shadow .25s;
}
a.browser:hover { transform: translateY(-3px); }
.browser-bar { display: flex; align-items: center; gap: 12px; height: 38px; padding: 0 14px; background: var(--paper-2); border-bottom: 1px solid var(--rule); }
.dots { display: flex; gap: 6px; flex: none; }
.dots i { width: 10px; height: 10px; border-radius: 50%; border: 1px solid var(--ink-3); }
.url {
  flex: 1; max-width: 340px; padding: 3px 10px; border-radius: 6px; background: var(--card);
  font: 13px var(--font-mono); color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.browser img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; object-position: top; background: #0b0c14; }

/* Diagrams */
.diagram { margin: 0; padding: 18px; border: 1px solid var(--rule); border-radius: 12px; background: var(--card); }
.diagram figcaption { font: 500 12.5px var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin-bottom: 14px; }
.pipeline { list-style: none; margin: 0; padding: 0; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 18px; }
@media (min-width: 961px) { .case-media { position: sticky; top: 88px; align-self: start; } }
.pipeline li {
  position: relative; padding: 10px 10px 12px; border: 1px solid var(--rule); border-radius: 8px;
  background: var(--paper); font-size: 14px; line-height: 1.35; color: var(--ink);
}
.pipeline li::after {
  content: ""; position: absolute; top: 50%; right: -14px; width: 8px; height: 8px;
  border-top: 1.5px solid var(--ink-3); border-right: 1.5px solid var(--ink-3); transform: translateY(-50%) rotate(45deg);
}
.pipeline li:last-child::after { display: none; }
.pipeline li:last-child { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 9%, var(--paper)); }
.step { display: block; margin-bottom: 4px; font: 500 12px var(--font-mono); color: var(--accent-ink); }
.gpu { display: grid; grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr); align-items: stretch; }
.gpu-box { padding: 12px; border: 1px solid var(--rule); border-radius: 8px; background: var(--paper); font-size: 14px; line-height: 1.35; }
.gpu-box strong { display: block; margin-bottom: 4px; font-weight: 600; }
.gpu-box span { color: var(--ink-2); }
.gpu-core { border-color: var(--ink); }
.gpu-link { display: grid; place-items: center; }
.gpu-link span { width: 100%; height: 0; border-top: 1.5px dashed var(--ink-3); }
@media (max-width: 760px) {
  .pipeline { grid-auto-flow: row; grid-template-columns: 1fr; gap: 14px; }
  .pipeline li::after { top: auto; bottom: -12px; right: auto; left: 22px; transform: rotate(135deg); }
  .gpu { grid-template-columns: 1fr; }
  .gpu-link { height: 18px; }
  .gpu-link span { width: 0; height: 100%; border-top: 0; border-left: 1.5px dashed var(--ink-3); }
}

/* Game */
.game { position: relative; overflow: hidden; border: 1px solid var(--rule-strong); border-radius: 12px; background: #0b0c14; box-shadow: var(--shadow); }
.game video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.video-btn {
  position: absolute; left: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px; padding: 0 14px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .35);
  background: rgba(10, 10, 14, .72); color: #fff; font: 500 14px var(--font-sans); cursor: pointer;
}
.video-btn svg { fill: currentColor; stroke: none; }
.video-btn .i-pause { display: none; stroke: currentColor; stroke-width: 2.5; fill: none; }
.video-btn[aria-pressed="true"] .i-pause { display: block; }
.video-btn[aria-pressed="true"] .i-play { display: none; }
.fighters { display: grid; gap: 12px; }
.fighter-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.fighter-head .list-title { margin: 0; }
.fighter-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 10px; border: 1px solid var(--rule); background: #0b0c14; }

/* Segmented control */
.seg { display: inline-flex; gap: 3px; padding: 3px; border: 1px solid var(--rule-strong); border-radius: 12px; background: var(--card); }
.seg button {
  min-height: 44px; min-width: 96px; padding: 0 14px; border: 0; border-radius: 9px;
  background: transparent; color: var(--ink); font: 500 15px var(--font-sans); cursor: pointer;
  transition: background-color .2s, color .2s;
}
.seg button:hover { background: var(--paper-2); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.seg-full { display: flex; width: 100%; }
.seg-full button { flex: 1; }

/* Mini case */
.mini { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(24px, 4vw, 48px); align-items: center; padding-top: clamp(40px, 6vw, 72px); }
.mini-copy { grid-column: span 5; }
.mini-copy h3 { margin: 0 0 10px; font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -.03em; font-weight: 600; }
.mini-copy > p { color: var(--ink-2); }
.mini-copy .chips { margin: 18px 0 12px; }
.mini .browser { grid-column: span 7; }
@media (max-width: 960px) { .mini-copy, .mini .browser { grid-column: 1 / -1; } }

/* Demos */
.demo { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(28px, 4vw, 56px); padding-block: clamp(40px, 6vw, 72px); border-bottom: 1px solid var(--rule); }
.demo:first-of-type { padding-top: 0; }
.demo:last-of-type { border-bottom: 0; padding-bottom: 0; }
.demo-copy { grid-column: span 4; }
.demo-copy h3 { margin: 0 0 14px; font-size: clamp(2rem, 3.8vw, 2.8rem); line-height: 1.05; letter-spacing: -.035em; font-weight: 600; }
.demo-copy > p { color: var(--ink-2); }
.demo-copy .list-title { margin-top: 26px; }
.try { padding: 12px 14px; border-left: 3px solid var(--accent); background: var(--card); border-radius: 0 8px 8px 0; }
.try strong { color: var(--ink); }
.demo-stage { grid-column: span 8; min-width: 0; }
.demo-wide .demo-copy { grid-column: 1 / span 7; }
.demo-wide .demo-stage { grid-column: 1 / -1; }
@media (max-width: 960px) { .demo-copy, .demo-stage, .demo-wide .demo-copy { grid-column: 1 / -1; } }

/* WhatsApp demo */
.wa { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 24px; align-items: start; }
.wa-phone-col { display: grid; gap: 12px; }
@media (max-width: 760px) { .wa { grid-template-columns: minmax(0, 1fr); } .wa-phone-col { max-width: 420px; } }
.phone { padding: 9px; border: 1.5px solid var(--rule-strong); border-radius: 30px; background: var(--card); box-shadow: var(--shadow); }
.phone-screen { display: flex; flex-direction: column; height: 560px; overflow: hidden; border-radius: 22px; background: var(--wa-bg); }
.wa-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: var(--wa-head); color: var(--wa-head-ink); }
.wa-head p { margin: 0; }
.wa-avatar { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: #EAD9B3; color: #1F5E4A; font: 500 13px var(--font-mono); flex: none; }
.wa-title { font-weight: 600; font-size: 15.5px; line-height: 1.2; }
.wa-status { font-size: 13px; opacity: .88; line-height: 1.3; }
.wa-log {
  flex: 1; overflow-y: auto; padding: 14px 12px; display: flex; flex-direction: column; gap: 8px;
  background-image: radial-gradient(color-mix(in srgb, var(--wa-ink) 7%, transparent) 1px, transparent 1.4px);
  background-size: 18px 18px;
}
.msg {
  max-width: 86%; padding: 8px 11px 5px; border-radius: 10px;
  font-size: 15px; line-height: 1.42; color: var(--wa-ink); box-shadow: 0 1px 0 rgba(0, 0, 0, .08);
  animation: pop .22s var(--ease-out);
}
.msg p { margin: 0; }
.msg.bot, .msg.agent { align-self: flex-start; background: var(--wa-in); border-top-left-radius: 3px; }
.msg.agent { box-shadow: inset 3px 0 0 var(--accent), 0 1px 0 rgba(0, 0, 0, .08); }
.msg.user { align-self: flex-end; background: var(--wa-out); border-top-right-radius: 3px; }
.msg[dir="rtl"], .chip-btn[lang="ar"] { font-family: var(--font-ar); }
.msg[dir="rtl"] { text-align: right; }
.msg .who { display: block; font: 500 12px var(--font-mono); color: var(--accent-ink); margin-bottom: 2px; }
.msg time { display: block; margin-top: 2px; text-align: right; font: 12px var(--font-mono); color: color-mix(in srgb, var(--wa-ink) 55%, transparent); }
.msg .tag { display: inline-flex; align-items: center; gap: 5px; margin-top: 6px; padding: 2px 7px; border-radius: 6px; background: var(--ok-soft); color: var(--ok); font: 500 12px var(--font-mono); }
.sys { align-self: center; max-width: 90%; text-align: center; padding: 5px 10px; border-radius: 8px; background: color-mix(in srgb, var(--wa-in) 85%, transparent); color: var(--wa-ink); font: 500 12.5px/1.4 var(--font-mono); animation: pop .22s var(--ease-out); }
.typing { align-self: flex-start; display: flex; gap: 4px; padding: 11px 13px; border-radius: 10px; background: var(--wa-in); }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: color-mix(in srgb, var(--wa-ink) 45%, transparent); animation: blink 1s infinite ease-in-out; }
.typing i:nth-child(2) { animation-delay: .15s; }
.typing i:nth-child(3) { animation-delay: .3s; }
.wa-chips {
  display: flex; flex-wrap: wrap; gap: 8px; min-height: 70px; padding: 10px 12px 12px;
  border-top: 1px solid color-mix(in srgb, var(--wa-ink) 12%, transparent); background: var(--wa-bg);
}
.wa-chips .hint { align-self: center; margin: 0; font-size: 14px; color: color-mix(in srgb, var(--wa-ink) 70%, transparent); }
.chip-btn {
  min-height: 44px; padding: 0 14px; border-radius: 999px; border: 1.5px solid var(--wa-head);
  background: var(--card); color: var(--ink); font: 500 14.5px var(--font-sans); cursor: pointer;
  transition: background-color .2s, color .2s, transform .15s;
}
.chip-btn:hover { background: var(--wa-head); color: #fff; }
.chip-btn:active { transform: scale(.97); }
@keyframes pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes blink { 0%, 80%, 100% { opacity: .35; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-2px); } }

.dash { border: 1px solid var(--rule-strong); border-radius: 12px; background: var(--card); overflow: hidden; }
.dash-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 4px 8px 4px 16px; border-bottom: 1px solid var(--rule); font: 500 12.5px var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); }
.dash-cols { display: grid; grid-template-columns: 1fr 1fr; min-height: 320px; }
.dash-col { padding: 14px; min-width: 0; }
.dash-col + .dash-col { border-left: 1px solid var(--rule); }
.dash-col h4 { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; font-size: 15px; font-weight: 600; }
.count { display: inline-grid; place-items: center; min-width: 24px; height: 22px; padding: 0 6px; border-radius: 6px; background: var(--paper-2); font: 500 12.5px var(--font-mono); color: var(--ink-2); }
.col-body { display: grid; gap: 10px; }
.empty { margin: 0; font-size: 14.5px; color: var(--ink-3); }
.ticket { padding: 12px; border: 1px solid var(--rule); border-left: 3px solid var(--accent); border-radius: 8px; background: var(--paper); animation: pop .3s var(--ease-out); }
.ticket.is-live { border-left-color: var(--ok); }
.ticket h5 { margin: 0 0 4px; font-size: 15px; font-weight: 600; }
.ticket p { margin: 0 0 8px; font-size: 14px; line-height: 1.45; color: var(--ink-2); }
.ticket .t-meta { display: block; margin-bottom: 10px; font: 12.5px var(--font-mono); color: var(--ink-3); }
.ticket .live-note { display: inline-flex; align-items: center; gap: 6px; font: 500 12.5px var(--font-mono); color: var(--ok); }
.ticket .live-note::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }
.dash-foot { margin: 0; padding: 12px 16px; border-top: 1px solid var(--rule); font-size: 14px; color: var(--ink-3); }
@media (max-width: 520px) { .dash-cols { grid-template-columns: 1fr; min-height: 0; } .dash-col + .dash-col { border-left: 0; border-top: 1px solid var(--rule); } }

/* Flow demo */
.flow { border: 1px solid var(--rule-strong); border-radius: 12px; background: var(--card); overflow: hidden; box-shadow: var(--shadow); }
.flow-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 12px; border-bottom: 1px solid var(--rule); }
.flow-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.toggle { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 15px; cursor: pointer; user-select: none; }
.toggle[hidden] { display: none; }
.toggle input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.toggle-ui { position: relative; width: 40px; height: 24px; border-radius: 999px; background: var(--paper-2); border: 1.5px solid var(--ink-3); transition: background-color .2s, border-color .2s; flex: none; }
.toggle-ui::after { content: ""; position: absolute; top: 3px; left: 3px; width: 15px; height: 15px; border-radius: 50%; background: var(--ink-3); transition: transform .2s var(--ease-out), background-color .2s; }
.toggle input:checked + .toggle-ui { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-ui::after { transform: translateX(16px); background: var(--on-accent); }
.toggle input:focus-visible + .toggle-ui { outline: 2px solid var(--accent); outline-offset: 3px; }

.flow-canvas-wrap {
  overflow-x: auto; overflow-y: hidden;
  background-color: var(--paper);
  background-image: radial-gradient(color-mix(in srgb, var(--ink) 18%, transparent) 1px, transparent 1.3px);
  background-size: 22px 22px;
}
.flow-sizer { position: relative; }
.flow-stage { position: absolute; top: 0; left: 0; width: 1100px; transform-origin: 0 0; }
.flow-stage > svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.edge { fill: none; stroke: var(--ink-3); stroke-width: 2; }
.edge.tool { stroke-dasharray: 3 5; stroke-width: 1.6; }
.edge.active { stroke: var(--accent); stroke-width: 2.6; stroke-dasharray: 9 7; animation: dash .7s linear infinite; }
.edge.done { stroke: var(--ok); stroke-width: 2.2; }
@keyframes dash { to { stroke-dashoffset: -16; } }
.edge-label { font: 500 13px var(--font-mono); fill: var(--ink-2); paint-order: stroke; stroke: var(--paper); stroke-width: 6px; stroke-linejoin: round; }
.node {
  position: absolute; display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border: 1.5px solid var(--ink); border-radius: 12px; background: var(--card); color: var(--ink);
  text-align: left; cursor: pointer; font: inherit;
  transition: border-color .2s, box-shadow .2s, transform .15s, opacity .2s;
}
.node:hover { transform: translateY(-2px); }
.node.sub { border-radius: 999px; border-style: dashed; padding: 6px 12px 6px 8px; }
.node .ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 8px; background: var(--paper-2); flex: none; }
.node.sub .ico { width: 28px; height: 28px; border-radius: 50%; }
.node .ico svg { width: 18px; height: 18px; }
.node .txt { min-width: 0; }
.node .t { display: block; font-size: 14px; font-weight: 600; line-height: 1.2; }
.node .s { display: block; font-size: 12.5px; line-height: 1.25; color: var(--ink-3); }
.node.running { border-color: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 24%, transparent); }
.node.done { border-color: var(--ok); }
.node.done .ico { background: var(--ok-soft); color: var(--ok); }
.node.skipped { opacity: .45; }
.node[aria-pressed="true"] { box-shadow: 0 0 0 3px var(--card), 0 0 0 5px var(--ink); }
.node .badge {
  position: absolute; top: -11px; right: 10px; padding: 1px 7px; border-radius: 6px;
  background: var(--ok); color: var(--card); font: 500 12px/1.5 var(--font-mono); white-space: nowrap;
}
.flow-side { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--rule); }
.flow-detail, .flow-log { padding: 14px 16px 16px; min-width: 0; }
.flow-log { border-left: 1px solid var(--rule); }
.flow-side h4 { margin: 0 0 8px; font: 500 12.5px var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); }
.flow-detail p { margin: 0 0 6px; font-size: 15px; color: var(--ink-2); }
.flow-detail strong { color: var(--ink); }
.flow-detail pre { margin: 10px 0 0; padding: 10px 12px; max-height: 190px; overflow: auto; border-radius: 8px; background: var(--paper-2); color: var(--ink); font: 12.5px/1.55 var(--font-mono); }
.flow-log ol { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow: auto; font: 13px/1.7 var(--font-mono); color: var(--ink-2); }
.flow-log li { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 8px; }
.flow-log li.muted { display: block; }
.flow-log .ok { color: var(--ok); }
.flow-hint { display: none; margin: 0; padding: 8px 12px; font: 12.5px var(--font-mono); color: var(--ink-3); border-top: 1px solid var(--rule); }
@media (max-width: 760px) {
  .flow-side { grid-template-columns: 1fr; }
  .flow-log { border-left: 0; border-top: 1px solid var(--rule); }
  .flow-hint { display: block; }
}

/* Game platform extras */
.case-extra { display: grid; gap: 20px; margin-top: clamp(28px, 4vw, 44px); }
.extra-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 860px) { .extra-grid { grid-template-columns: minmax(0, 1fr); } }
.extra-grid .pipeline { grid-auto-flow: row; grid-template-columns: 1fr; gap: 14px; }
.extra-grid .pipeline li::after { top: auto; bottom: -12px; right: auto; left: 22px; transform: rotate(135deg); }
.rules { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.rules li { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 12px; align-items: baseline; font-size: 15px; line-height: 1.4; }
.rules code { font: 500 12.5px var(--font-mono); color: var(--accent-ink); }
.rules-foot { margin: 16px 0 0; padding-top: 12px; border-top: 1px solid var(--rule); font-size: 14px; color: var(--ink-3); }
/* School eLeague demo */
.league .phone-screen { height: 640px; }
.msg p.ar[dir="rtl"] { font-family: var(--font-ar); text-align: right; }
.msg .gloss {
  margin-top: 5px; padding-top: 5px;
  border-top: 1px solid color-mix(in srgb, var(--wa-ink) 12%, transparent);
  font-size: 13.5px; line-height: 1.4; color: color-mix(in srgb, var(--wa-ink) 74%, transparent);
}
.msg.media { padding: 4px 4px 5px; }
.msg.media time { padding-right: 6px; }
.shot {
  display: grid; justify-items: center; gap: 2px; width: 200px; padding: 14px 10px;
  border-radius: 8px; background: #101b30; color: #F3F0E8; font-family: var(--font-mono);
}
.shot-game { font-size: 12px; letter-spacing: .08em; opacity: .8; }
.shot-score { font-size: 30px; font-weight: 500; line-height: 1.1; }
.shot-teams { font-size: 12px; letter-spacing: .04em; opacity: .8; }
.shot-sm { width: 100%; padding: 8px; margin: 0 0 8px; }
.shot-sm .shot-score { font-size: 20px; }
.chip-btn { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; padding: 5px 14px; line-height: 1.2; }
.chip-btn .ar[dir="rtl"] { font-family: var(--font-ar); font-size: 15px; }
.chip-btn .en { font-size: 12px; opacity: .78; }
.chip-btn:hover .en { opacity: 1; }
.ticket-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.dash-tabs { display: flex; border-bottom: 1px solid var(--rule); }
.dash-tabs button {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px;
  border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--ink-2);
  font: 500 15px var(--font-sans); cursor: pointer; transition: color .2s, border-color .2s;
}
.dash-tabs button:hover { color: var(--ink); }
.dash-tabs button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.league .dash-cols { grid-template-columns: 1fr; min-height: 0; }
.league .dash-col + .dash-col { border-left: 0; border-top: 1px solid var(--rule); }
.select { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 15px; }
.select[hidden] { display: none; }
.select-wrap { position: relative; display: inline-block; }
.select-wrap::after {
  content: ""; position: absolute; right: 14px; top: 50%; width: 7px; height: 7px; pointer-events: none;
  border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: translateY(-70%) rotate(45deg);
}
.select select {
  min-height: 44px; max-width: 100%; padding: 0 38px 0 12px; appearance: none; -webkit-appearance: none;
  border: 1px solid var(--rule-strong); border-radius: 10px; background: var(--card); color: var(--ink);
  font: 500 15px var(--font-sans); cursor: pointer;
}
.select select:disabled { opacity: .55; cursor: not-allowed; }
@media (max-width: 560px) {
  .flow-actions { width: 100%; }
  .select { width: 100%; }
  .select-wrap { flex: 1; min-width: 0; }
  .select select { width: 100%; }
}

/* Experience */
.job { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 24px; padding-block: 30px; border-bottom: 1px solid var(--rule); }
.job:first-child { padding-top: 0; }
.when { margin: 4px 0 0; font: 500 14px var(--font-mono); color: var(--ink-3); }
.job h3 { margin: 0; font-size: clamp(1.5rem, 2.6vw, 1.9rem); letter-spacing: -.025em; font-weight: 600; }
.role { margin: 4px 0 12px; color: var(--accent-ink); font-weight: 500; }
.job p:last-child { margin-bottom: 0; color: var(--ink-2); max-width: 70ch; }
@media (max-width: 700px) { .job { grid-template-columns: 1fr; gap: 6px; } }

/* Skills */
.skills { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1.5px solid var(--rule-strong); }
.skill-group { padding: 22px 20px 28px; border-left: 1px solid var(--rule); }
.skill-group:first-child { border-left: 0; padding-left: 0; }
.skill-group h3 { margin: 0 0 16px; font: 500 12.5px var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--accent-ink); }
.skill-group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.skill-group li { line-height: 1.4; }
.langs { margin: 28px 0 0; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--ink-2); }
.langs .list-title { display: inline; margin-right: 12px; }
@media (max-width: 960px) {
  .skills { grid-template-columns: 1fr 1fr; }
  .skill-group { border-left: 0; padding-left: 0; border-bottom: 1px solid var(--rule); }
  .skill-group:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--rule); }
}
@media (max-width: 560px) {
  .skills { grid-template-columns: 1fr; }
  .skill-group:nth-child(even) { padding-left: 0; border-left: 0; }
}

/* Credentials */
.creds { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(32px, 5vw, 64px); }
.edu { grid-column: span 5; }
.certs { grid-column: span 7; }
.edu .list-title:not(:first-child) { margin-top: 40px; }
.cred-name { margin: 0 0 4px; font-size: 1.3rem; font-weight: 600; letter-spacing: -.015em; }
.cred-meta { margin: 0 0 14px; font: 13.5px var(--font-mono); color: var(--ink-3); }
.hack { padding: 0 0 18px; }
.hack + .hack { padding-top: 18px; border-top: 1px solid var(--rule); }
.hack p:last-child { margin: 0; color: var(--ink-2); }
.award {
  display: inline-block; margin-left: 8px; vertical-align: middle; padding: 3px 8px; border-radius: 6px;
  border: 1px solid var(--accent); color: var(--accent-ink); font: 500 12px var(--font-mono); letter-spacing: .04em; text-transform: uppercase;
}
.cert-list { list-style: none; margin: 0; padding: 0; border-top: 1.5px solid var(--rule-strong); }
.cert-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 24px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.cert-title { font-weight: 500; line-height: 1.4; }
.cert-meta { font: 13px var(--font-mono); color: var(--ink-3); text-align: right; white-space: nowrap; }
@media (max-width: 960px) {
  .creds, .case-grid, .mini, .demo { grid-template-columns: minmax(0, 1fr); }
  .edu, .certs { grid-column: 1 / -1; }
}
@media (max-width: 640px) { .cert-list li { grid-template-columns: 1fr; } .cert-meta { text-align: left; white-space: normal; } }

/* Contact */
.contact { background: var(--ink); color: var(--paper); }
.contact .section-head { border-bottom-color: color-mix(in srgb, var(--paper) 55%, transparent); }
.contact .idx { color: var(--accent-on-ink); }
.contact .section-head p { color: color-mix(in srgb, var(--paper) 78%, transparent); }
.big-mail {
  display: inline-block; max-width: 100%; overflow-wrap: anywhere;
  font-size: clamp(1.55rem, 5.4vw, 3.8rem); font-weight: 600; letter-spacing: -.035em; line-height: 1.15;
  text-decoration: none; border-bottom: 3px solid var(--accent-on-ink); padding-block: 8px 6px;
  transition: color .2s;
}
.big-mail:hover { color: var(--accent-on-ink); }
.contact-list { list-style: none; margin: clamp(40px, 6vw, 64px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid color-mix(in srgb, var(--paper) 30%, transparent); }
.contact-list a { display: block; padding: 18px 16px 18px 0; text-decoration: none; font-size: 17px; min-height: 44px; }
.contact-list li + li a { padding-left: 16px; border-left: 1px solid color-mix(in srgb, var(--paper) 30%, transparent); }
.contact-list .list-title { color: color-mix(in srgb, var(--paper) 70%, transparent); margin-bottom: 6px; }
.contact-list a:hover { color: var(--accent-on-ink); }
@media (max-width: 760px) {
  .contact-list { grid-template-columns: 1fr; }
  .contact-list li + li a { padding-left: 0; border-left: 0; border-top: 1px solid color-mix(in srgb, var(--paper) 30%, transparent); }
}

.site-footer { background: var(--ink); color: color-mix(in srgb, var(--paper) 70%, transparent); border-top: 1px solid color-mix(in srgb, var(--paper) 18%, transparent); }
.foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; padding-block: 20px; font-size: 14.5px; }
.foot-row p { margin: 0; }
.foot-row a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; color: var(--paper); }
.foot-row a:hover { color: var(--accent-on-ink); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}