/* Implements DESIGN.md — tokens and component rules. Logical properties only. */
:root {
  --bg: #FAF8F5;
  --bg-alt: #F1EDE6;
  --surface: #FFFFFF;
  --ink: #1A1A1A;
  --ink-2: #5C5C5C;
  --ink-3: #8A857E;
  --line: #E6E1DA;
  --accent: #0F6E63;
  --accent-ink: #0B554C;
  --accent-soft: #E3F1EE;
  --on-accent: #FFFFFF;
  --font: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-full: 9999px;
  --container: 1100px;
  --pad-x: 2rem;
  --section-y: 5rem;
  --shadow: 0 4px 16px rgb(26 26 26 / 6%);
  --ease: 150ms ease-out;
}
@media (max-width: 767px) {
  :root { --pad-x: 1.25rem; --section-y: 3.5rem; }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-block-start: 5rem; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.8;
  letter-spacing: 0;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
html:lang(en) body { line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: 0; }
h1 { font-size: clamp(2.5rem, 2rem + 2.2vw, 3.75rem); line-height: 1.25; }
h2 { font-size: clamp(1.75rem, 1.5rem + 1vw, 2.25rem); line-height: 1.35; }
h3 { font-size: 1.25rem; line-height: 1.5; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0; padding: 0; list-style: none; }
small { font-size: 0.875rem; line-height: 1.6; }
[dir="ltr"] { unicode-bidi: isolate; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--pad-x); }

.skip-link {
  position: absolute; inset-block-start: -100%; inset-inline-start: 1rem;
  background: var(--accent); color: var(--on-accent); padding: 0.5rem 1rem; border-radius: var(--r-md); z-index: 100;
}
.skip-link:focus { inset-block-start: 1rem; color: var(--on-accent); }

/* Header */
.site-header {
  position: sticky; inset-block-start: 0; z-index: 50;
  background: var(--bg); border-block-end: 1px solid var(--line); padding-block: 0.75rem;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { font-weight: 600; font-size: 1.125rem; color: var(--ink); padding-block: 0.5rem; }
.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a { color: var(--ink-2); font-weight: 500; font-size: 0.8125rem; line-height: 1.5; padding-block: 0.75rem; min-height: 2.75rem; display: inline-flex; align-items: center; }
.nav a:hover { color: var(--ink); }
.lang-link {
  border: 1px solid var(--line); border-radius: var(--r-md); padding: 0.5rem 0.75rem;
  color: var(--ink); min-height: 2.75rem; display: inline-flex; align-items: center;
}
.lang-link:hover { border-color: var(--ink-2); }
.menu-btn {
  display: none; background: none; border: 1px solid var(--line); border-radius: var(--r-md);
  width: 2.75rem; height: 2.75rem; cursor: pointer; color: var(--ink); align-items: center; justify-content: center;
}
.menu-btn svg { width: 1.25rem; height: 1.25rem; }
@media (max-width: 767px) {
  .menu-btn { display: inline-flex; }
  .nav {
    display: none; position: absolute; inset-block-start: 100%; inset-inline: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-block-end: 1px solid var(--line); padding: 0.5rem var(--pad-x) 1rem;
  }
  .nav.open { display: flex; }
  .nav a { padding-block: 0.875rem; border-block-end: 1px solid var(--line); }
  .nav .lang-link { margin-block-start: 0.75rem; justify-content: center; border-block-end: 1px solid var(--line); }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 2.75rem; padding: 0.75rem 1.5rem; border-radius: var(--r-md);
  font-weight: 500; font-size: 1rem; line-height: 1.5;
  border: 1px solid transparent; transition: background-color var(--ease), border-color var(--ease), color var(--ease);
}
.btn svg { width: 1.125em; height: 1.125em; flex-shrink: 0; }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-ink); color: var(--on-accent); }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--ink-2); color: var(--ink); }
[dir="rtl"] .icon-dir { transform: scaleX(-1); }

/* Sections */
.section { padding-block: var(--section-y); }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 40rem; margin-block-end: 3rem; }
.section-head h2 { margin-block-end: 0.75rem; }
.lead { color: var(--ink-2); font-size: 1.0625rem; }
.eyebrow { color: var(--accent); font-weight: 500; font-size: 0.8125rem; line-height: 1.5; margin-block-end: 0.5rem; }

/* Hero */
.hero { padding-block: clamp(3rem, 8vw, 6rem); }
.hero .container { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: center; }
.hero .role { color: var(--accent); font-size: 1.25rem; font-weight: 500; margin-block: 0.75rem 1.25rem; }
.hero-text p:not(.role):not(.eyebrow) { color: var(--ink-2); max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-block-start: 1.75rem; }
.hero-photo {
  aspect-ratio: 4 / 5; width: 100%; max-width: 440px; margin-inline-start: auto;
  object-fit: cover; border-radius: var(--r-lg); border: 1px solid var(--line);
}
@media (max-width: 767px) {
  .hero .container { grid-template-columns: 1fr; gap: 2rem; }
  .hero-photo { max-width: 320px; margin-inline: auto; order: -1; }
  .hero-actions .btn { flex: 1 1 100%; }
}

/* Stats */
.stats { background: var(--bg-alt); }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; padding-block: 2.5rem; }
.stat strong, .result strong {
  display: block; font-size: clamp(2rem, 1.75rem + 1vw, 2.75rem); font-weight: 600; line-height: 1.1;
  color: var(--accent); font-variant-numeric: lining-nums tabular-nums;
}
.stat span { display: block; color: var(--ink-2); font-size: 0.875rem; line-height: 1.6; margin-block-start: 0.25rem; }
/* the number carries dir="ltr", so its own start edge is the left one; align it to the
   label's edge instead of the number's own writing direction */
[dir="rtl"] .stat strong { text-align: end; }
@media (max-width: 767px) { .stats .container { grid-template-columns: repeat(2, 1fr); } }

/* About */
.about-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; }
.about-grid h3 { font-size: 0.875rem; line-height: 1.6; color: var(--ink-2); font-weight: 500; margin-block: 1.5rem 0.75rem; }
.about-grid h3:first-child { margin-block-start: 0; }
.pill-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pill-list li, .tags li {
  background: var(--accent-soft); color: var(--accent-ink); border-radius: var(--r-full);
  padding: 0.25rem 0.75rem; font-size: 0.8125rem; font-weight: 500; line-height: 1.5;
}
@media (max-width: 767px) { .about-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* Experience timeline */
.timeline { border-inline-start: 1px solid var(--line); padding-inline-start: 2rem; display: grid; gap: 2.5rem; }
.timeline-item { position: relative; }
.timeline-item::before {
  content: ""; position: absolute; inset-inline-start: calc(-2rem - 5.5px); inset-block-start: 0.6rem;
  width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--bg);
}
.timeline-meta { color: var(--ink-2); font-size: 0.875rem; line-height: 1.6; margin-block: 0.25rem 0.75rem; }
.timeline-meta b { color: var(--ink); font-weight: 500; }
.timeline-item ul { display: grid; gap: 0.375rem; color: var(--ink-2); }
.timeline-item ul li { padding-inline-start: 1.25rem; position: relative; }
.timeline-item ul li::before { content: "•"; color: var(--accent); position: absolute; inset-inline-start: 0; }

/* Projects */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.5rem; transition: box-shadow var(--ease); }
.card:hover { box-shadow: var(--shadow); }
.card h3 { margin-block-end: 0.75rem; }
.result { display: flex; align-items: baseline; gap: 0.5rem; margin-block-end: 0.75rem; }
.result span { color: var(--ink-2); font-size: 0.875rem; }
.card p { color: var(--ink-2); font-size: 0.9375rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-block-start: 1rem; }
@media (max-width: 767px) { .projects-grid { grid-template-columns: 1fr; } }

/* Brands */
.brands-list { display: flex; flex-wrap: wrap; gap: 0.75rem 2.5rem; color: var(--ink-2); font-weight: 500; font-size: 1.25rem; line-height: 1.5; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1.25rem; margin-block-end: 2rem; }
.contact-card {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.25rem 1.5rem;
  transition: box-shadow var(--ease);
}
.contact-card:hover { box-shadow: var(--shadow); }
.contact-icon {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: var(--r-sm);
  background: var(--accent-soft); color: var(--accent); display: grid; place-items: center;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-card small { display: block; color: var(--ink-2); margin-block-end: 0.125rem; }
.contact-card a, .contact-card b { font-weight: 500; font-size: 1rem; color: var(--ink); overflow-wrap: anywhere; }
.contact-card a:hover { color: var(--accent); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
@media (max-width: 767px) { .contact-grid { grid-template-columns: 1fr; } }

/* Footer */
.site-footer { background: var(--bg-alt); padding-block: 2rem; color: var(--ink-2); font-size: 0.875rem; line-height: 1.6; }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem; }
.site-footer a { color: var(--ink-2); margin-inline-start: 1.25rem; }
.site-footer a:hover { color: var(--ink); }

/* Reveal */
html.js .reveal { opacity: 0; translate: 0 12px; transition: opacity 400ms ease-out, translate 400ms ease-out; }
html.js .reveal.in { opacity: 1; translate: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; translate: none; transition: none; }
  .card, .contact-card, .btn { transition: none; }
}