/* ==========================================================================
   Hisham El Natour — Technology & AI Specialist
   Shared stylesheet. Mobile-first. Logical properties throughout so the
   same file serves both the English (LTR) and Arabic (RTL) pages.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  /* color */
  --ink:#14181C;
  --paper:#F5F5F3;
  --surface:#FFFFFF;
  --slate:#57616B;
  --line:#E3E1DB;
  --deep:#1E2C33;
  --deep-2:#264049;
  --brass:#9C6B2E;
  --brass-deep:#7A4F1F;
  --brass-tint:#F1E6D3;
  --on-deep:#F3F2EE;

  /* type: Latin defaults, overridden for [lang="ar"] below */
  --font-display:'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* fluid type scale */
  --step-0:1rem;
  --step-1:1.125rem;
  --step-2:1.375rem;
  --step-3:1.75rem;
  --step-4:2.125rem;
  --step-5:clamp(2.5rem, 1.6rem + 3.5vw, 3.75rem);
  --step-6:clamp(2.75rem, 1.4rem + 5.5vw, 4.75rem);

  /* space */
  --sp-1:.25rem; --sp-2:.5rem; --sp-3:.75rem; --sp-4:1rem; --sp-5:1.5rem;
  --sp-6:2rem; --sp-7:3rem; --sp-8:4.5rem; --sp-9:6rem;

  --radius:6px;
  --radius-lg:10px;
  --container:1180px;
  --shadow-card:0 1px 2px rgba(20,24,28,.05), 0 10px 28px -16px rgba(20,24,28,.18);
  --ease:cubic-bezier(.16,.84,.44,1);
}

html[lang="ar"]{
  --font-display:'Markazi Text','Amiri', serif;
  --font-body:'IBM Plex Sans Arabic','Segoe UI', Tahoma, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing:border-box; }
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p,figure{ margin:0; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
input, select, textarea{ font:inherit; color:inherit; }

/* Visible, consistent keyboard focus everywhere */
:focus-visible{ outline:2px solid var(--brass-deep); outline-offset:3px; border-radius:2px; }

.skip-link{
  position:absolute; inset-inline-start:var(--sp-4); top:-3rem;
  background:var(--ink); color:var(--on-deep); padding:.6rem 1rem;
  border-radius:var(--radius); z-index:100; transition:top .2s var(--ease);
}
.skip-link:focus{ top:var(--sp-4); }

.visually-hidden{
  position:absolute !important; width:1px; height:1px; overflow:hidden;
  clip:rect(0 0 0 0); white-space:nowrap; border:0; padding:0; margin:-1px;
}

/* ---------- Layout ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--sp-5);
}
@media (min-width:640px){ .container{ padding-inline:var(--sp-6); } }

section{ padding-block:var(--sp-8); }
.section--tight{ padding-block:var(--sp-7); }

.overflow-x{ overflow-x:auto; -webkit-overflow-scrolling:touch; }

/* ---------- Typography ---------- */
h1,h2,h3{ font-family:var(--font-display); font-weight:600; line-height:1.12; letter-spacing:-.01em; }
html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3{ letter-spacing:0; line-height:1.3; }

h2{ font-size:var(--step-4); }
h3{ font-size:var(--step-2); }
.lede{ font-size:var(--step-1); color:var(--slate); max-width:62ch; }
.max-measure{ max-width:64ch; }

.section-head{ max-width:56ch; margin-block-end:var(--sp-6); }
.section-head h2{ margin-block-end:var(--sp-3); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  padding:.85rem 1.5rem; border-radius:var(--radius); font-weight:600;
  font-size:.95rem; text-decoration:none; border:1.5px solid transparent;
  transition:background-color .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease);
  white-space:nowrap;
}
.btn--accent{ background:var(--brass-deep); color:#fff; }
.btn--accent:hover{ background:#5F3E19; }
.btn--outline{ border-color:currentColor; color:var(--ink); }
.btn--outline:hover{ background:var(--ink); color:var(--paper); }
.btn--on-deep{ border-color:rgba(243,242,238,.5); color:var(--on-deep); }
.btn--on-deep:hover{ background:var(--on-deep); color:var(--deep); border-color:var(--on-deep); }
.btn--sm{ padding:.55rem 1.1rem; font-size:.875rem; }
.btn-row{ display:flex; flex-wrap:wrap; gap:var(--sp-3); }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(245,245,243,.92); backdrop-filter:saturate(140%) blur(8px);
  border-block-end:1px solid var(--line);
}
.site-header__inner{ display:flex; align-items:center; justify-content:space-between; gap:var(--sp-4); padding-block:var(--sp-3); }
.brand{ display:flex; align-items:center; gap:.65rem; text-decoration:none; color:var(--ink); }
.brand__mark{
  display:grid; place-items:center; inline-size:2.25rem; block-size:2.25rem;
  border-radius:50%; background:var(--deep); color:var(--on-deep);
  font-family:var(--font-display); font-weight:600; font-size:.95rem; letter-spacing:0;
}
.brand__name{ font-weight:600; font-size:1.05rem; }

.nav-toggle{ display:flex; flex-direction:column; gap:5px; padding:.5rem; }
.nav-toggle span{ inline-size:22px; block-size:2px; background:var(--ink); border-radius:2px; transition:transform .2s var(--ease), opacity .2s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.site-nav{
  position:fixed; inset:4.2rem var(--sp-5) auto; background:var(--surface);
  border:1px solid var(--line); border-radius:var(--radius-lg); box-shadow:var(--shadow-card);
  padding:var(--sp-5); display:none; flex-direction:column; gap:var(--sp-5);
}
.site-nav.is-open{ display:flex; }
.site-nav ul{ display:flex; flex-direction:column; gap:var(--sp-4); font-size:1.05rem; }
.site-nav a{ text-decoration:none; }
.site-nav a[aria-current="page"]{ color:var(--brass-deep); font-weight:600; }
.site-nav__actions{ display:flex; align-items:center; justify-content:space-between; gap:var(--sp-3); padding-block-start:var(--sp-4); border-block-start:1px solid var(--line); }
.lang-switch{ text-decoration:none; font-weight:600; font-size:.9rem; border:1px solid var(--line); padding:.4rem .8rem; border-radius:var(--radius); }

@media (min-width:920px){
  .nav-toggle{ display:none; }
  .site-nav{ position:static; display:flex !important; flex-direction:row; align-items:center; gap:var(--sp-6);
    background:none; border:0; box-shadow:none; padding:0; }
  .site-nav ul{ flex-direction:row; gap:var(--sp-5); font-size:.98rem; }
  .site-nav__actions{ padding-block-start:0; border-block-start:0; }
}

/* ---------- Hero ---------- */
.hero{ padding-block-start:var(--sp-8); padding-block-end:var(--sp-9); }
.hero__grid{ display:grid; gap:var(--sp-7); align-items:center; }
.hero__name{ font-size:var(--step-6); margin-block-end:var(--sp-3); }
.hero__role{ font-size:var(--step-3); font-weight:500; color:var(--brass-deep); margin-block-end:var(--sp-4); font-family:var(--font-body); }
.hero__lede{ font-size:var(--step-1); color:var(--slate); max-width:56ch; margin-block-end:var(--sp-6); }
.hero__actions{ margin-block-end:0; }

.hero__portrait{
  position:relative; aspect-ratio:4/5; border-radius:var(--radius-lg); overflow:hidden;
  background:linear-gradient(155deg, var(--deep), var(--deep-2));
  border-inline-start:4px solid var(--brass-deep);
  display:grid; place-items:center; text-align:center; color:var(--on-deep);
}
.hero__portrait img{ inline-size:100%; block-size:100%; object-fit:cover; display:block; }
.hero__portrait svg{ inline-size:34%; block-size:auto; opacity:.85; }
.hero__portrait figcaption{ position:absolute; inset-block-end:var(--sp-4); inset-inline:var(--sp-4); font-size:.8rem; color:rgba(243,242,238,.75); }

@keyframes hero-in{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:translateY(0); } }
.hero__copy > *{ animation:hero-in .7s var(--ease) both; }
.hero__copy > *:nth-child(2){ animation-delay:.06s; }
.hero__copy > *:nth-child(3){ animation-delay:.12s; }
.hero__copy > *:nth-child(4){ animation-delay:.18s; }

@media (min-width:900px){
  .hero__grid{ grid-template-columns:1.35fr 1fr; }
}

/* ---------- Trust strip ---------- */
.trust{ background:var(--deep); color:var(--on-deep); padding-block:var(--sp-6); }
.trust h2{ font-family:var(--font-body); font-size:1.05rem; font-weight:600; margin-block-end:var(--sp-4); color:var(--on-deep); }
.trust__row{ display:flex; flex-wrap:wrap; gap:0; }
.trust__row li{ padding-inline:var(--sp-4); padding-block:.4rem; border-inline-end:1px solid rgba(243,242,238,.22); font-size:.95rem; color:rgba(243,242,238,.9); }
.trust__row li:first-child{ padding-inline-start:0; }
.trust__row li:last-child{ border-inline-end:0; }

/* ---------- About ---------- */
.about__grid{ display:grid; gap:var(--sp-6); }
.about__focus{ display:flex; flex-direction:column; gap:var(--sp-4); }
.about__focus li{ padding-inline-start:var(--sp-4); border-inline-start:2px solid var(--brass-deep); }
.about__focus strong{ display:block; font-size:1.02rem; }
.about__focus span{ color:var(--slate); font-size:.94rem; }
@media (min-width:860px){ .about__grid{ grid-template-columns:1.5fr 1fr; } }

/* ---------- Topics ---------- */
.topics-group{ margin-block-end:var(--sp-7); }
.topics-group:last-child{ margin-block-end:0; }
.topics-group h3{ margin-block-end:var(--sp-3); }
.topics-group ul{ border-block-start:1px solid var(--line); }
.topics-group li{
  display:grid; grid-template-columns:1fr; gap:.15rem;
  padding-block:var(--sp-3); border-block-end:1px solid var(--line);
}
.topics-group li strong{ font-size:1.02rem; }
.topics-group li span{ color:var(--slate); font-size:.92rem; }
@media (min-width:720px){
  .topics-group li{ grid-template-columns:minmax(0,15rem) 1fr; align-items:baseline; gap:var(--sp-5); }
}

.topics-teaser{ display:grid; gap:var(--sp-4); grid-template-columns:repeat(2,1fr); }
.topics-teaser li{ border-block-start:2px solid var(--brass-deep); padding-block-start:var(--sp-2); }
.topics-teaser strong{ display:block; font-size:1.02rem; margin-block-end:.2rem; }
.topics-teaser span{ color:var(--slate); font-size:.9rem; }
@media (min-width:720px){ .topics-teaser{ grid-template-columns:repeat(4,1fr); } }

/* ---------- Media / video cards ---------- */
.media-grid{ display:grid; gap:var(--sp-6); grid-template-columns:1fr; }
@media (min-width:680px){ .media-grid{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1000px){ .media-grid{ grid-template-columns:repeat(3,1fr); } }

.video-card__media{
  position:relative; aspect-ratio:16/9; border-radius:var(--radius); overflow:hidden;
  background:linear-gradient(135deg, var(--deep-2), var(--ink));
  margin-block-end:var(--sp-3);
}
.video-card__media iframe{ position:absolute; inset:0; inline-size:100%; block-size:100%; border:0; }
.video-card__play{
  position:absolute; inset:0; inline-size:100%; block-size:100%;
  display:grid; place-items:center; color:#fff;
}
.video-card__play .play-circle{
  inline-size:3.2rem; block-size:3.2rem; border-radius:50%;
  border:1.5px solid rgba(255,255,255,.7); display:grid; place-items:center;
  transition:background-color .15s var(--ease);
}
.video-card__play:hover .play-circle{ background:rgba(255,255,255,.12); }
.video-card__play svg{ inline-size:1.1rem; margin-inline-start:2px; }
html[dir="rtl"] .video-card__play svg{ margin-inline-start:0; margin-inline-end:2px; transform:scaleX(-1); }

.video-card__badge{
  position:absolute; inset-block-start:var(--sp-3); inset-inline-start:var(--sp-3);
  background:rgba(20,24,28,.72); color:var(--on-deep); font-size:.7rem; font-weight:600;
  padding:.2rem .55rem; border-radius:3px;
}
.video-card__channel{ font-size:.82rem; color:var(--brass-deep); font-weight:600; margin-block-end:.15rem; }
.video-card__title{ font-size:1.05rem; font-weight:600; margin-block-end:.25rem; }
.video-card__desc{ font-size:.9rem; color:var(--slate); }

.channel-row{ display:flex; flex-wrap:wrap; gap:0 var(--sp-4); margin-block-end:var(--sp-7); }
.channel-row li{ padding-block:.4rem; border-block-end:1px solid var(--line); font-size:.95rem; color:var(--slate); min-inline-size:fit-content; }

/* ---------- Media archive (full appearances list, collapsible per channel) ---------- */
.archive-group{ border-block-end:1px solid var(--line); }
.archive-group summary{
  display:flex; align-items:baseline; justify-content:space-between; gap:var(--sp-4);
  padding-block:var(--sp-4); cursor:pointer; list-style:none;
  font-family:var(--font-display); font-weight:600; font-size:1.05rem;
}
.archive-group summary::-webkit-details-marker{ display:none; }
.archive-group summary .count{ font-family:var(--font-body); font-weight:400; font-size:.85rem; color:var(--slate); }
.archive-group summary::after{ content:'+'; font-size:1.3rem; line-height:1; color:var(--brass-deep); font-weight:400; flex-shrink:0; }
.archive-group[open] summary::after{ content:'\2013'; }
.archive-group ul{ border-block-start:1px solid var(--line); padding-block-end:var(--sp-3); }
.archive-group li{
  display:grid; grid-template-columns:1fr; gap:.15rem;
  padding-block:var(--sp-3); border-block-end:1px solid var(--line);
}
.archive-group li:last-child{ border-block-end:0; }
.archive-group li a{ color:var(--ink); text-decoration:none; font-size:.96rem; }
.archive-group li a:hover{ color:var(--brass-deep); text-decoration:underline; }
.archive-group li span{ color:var(--slate); font-size:.84rem; }
@media (min-width:720px){
  .archive-group li{ grid-template-columns:1fr auto; align-items:baseline; gap:var(--sp-5); }
}
.archive-group--single{ border-block-end:1px solid var(--line); }
.archive-group--single .archive-single__pub{
  font-family:var(--font-display); font-weight:600; font-size:1.05rem; margin:0; padding-block:var(--sp-4);
}
.archive-group--single ul{ border-block-start:1px solid var(--line); padding-block-end:var(--sp-3); }

/* ---------- Why list ---------- */
.why-list{ display:grid; gap:var(--sp-4); }
.why-list li{ padding-inline-start:var(--sp-4); border-inline-start:2px solid var(--brass-deep); font-size:1.02rem; }
@media (min-width:760px){ .why-list{ grid-template-columns:1fr 1fr; column-gap:var(--sp-6); } }

/* ---------- CTA band ---------- */
.cta-band{ background:var(--deep); color:var(--on-deep); border-radius:var(--radius-lg); padding:var(--sp-7) var(--sp-6); }
.cta-band h2{ color:var(--on-deep); margin-block-end:var(--sp-3); max-width:34ch; }
.cta-band p{ color:rgba(243,242,238,.82); max-width:52ch; margin-block-end:var(--sp-5); }
.cta-band--final{ text-align:start; }

/* ---------- Social ---------- */
.social-row{ display:flex; align-items:center; gap:var(--sp-4); }
.social-link{ display:inline-flex; align-items:center; gap:.6rem; text-decoration:none; font-weight:600; border:1px solid var(--line); border-radius:var(--radius); padding:.6rem 1rem; }
.social-link svg{ inline-size:1.15rem; block-size:1.15rem; }
.social-link:hover{ border-color:var(--ink); }

/* ---------- Contact / form ---------- */
.contact-grid{ display:grid; gap:var(--sp-8); }
@media (min-width:900px){ .contact-grid{ grid-template-columns:1fr 1.15fr; } }
.contact-details p{ color:var(--slate); margin-block-end:var(--sp-4); }
.contact-details a.email{ font-size:1.1rem; font-weight:600; text-decoration:none; border-block-end:1px solid var(--brass-deep); }

.form-field{ margin-block-end:var(--sp-4); }
.form-field label{ display:block; font-size:.9rem; font-weight:600; margin-block-end:.4rem; }
.form-field input, .form-field select, .form-field textarea{
  inline-size:100%; padding:.75rem .9rem; border:1px solid var(--line); border-radius:var(--radius);
  background:var(--surface); color:var(--ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{ border-color:var(--brass-deep); }
.form-row{ display:grid; gap:var(--sp-4); }
@media (min-width:560px){ .form-row--2{ grid-template-columns:1fr 1fr; } }
.form-note{ font-size:.82rem; color:var(--slate); margin-block-start:var(--sp-2); }
.hp-field{ position:absolute; inset-inline-start:-9999px; }

/* ---------- Footer ---------- */
.site-footer{ border-block-start:1px solid var(--line); padding-block-start:var(--sp-8); margin-block-start:var(--sp-9); }
.site-footer__inner{ display:flex; flex-wrap:wrap; gap:var(--sp-7); justify-content:space-between; padding-block-end:var(--sp-6); }
.site-footer__brand{ display:flex; align-items:center; gap:.75rem; }
.site-footer__tagline{ color:var(--slate); font-size:.88rem; }
.site-footer nav ul{ display:flex; flex-wrap:wrap; gap:var(--sp-4); font-size:.92rem; }
.site-footer nav a{ text-decoration:none; }
.site-footer__bottom{ border-block-start:1px solid var(--line); padding-block:var(--sp-4); font-size:.82rem; color:var(--slate); }

/* ---------- Misc ---------- */
.pill-note{ display:inline-block; font-size:.78rem; color:var(--slate); border:1px solid var(--line); border-radius:20px; padding:.25rem .75rem; margin-block-end:var(--sp-5); }