/* ============================================================
   Y99 Agency — site.css
   Dark, monochrome brand + Y99 neon-green accent (#39ff88, from the original site). RTL-first with
   logical properties so both Arabic and English lay out correctly.
   ============================================================ */

:root {
  --bg: #050505;
  --bg-2: #090909;
  --card: #0b0b0b;
  --card-2: #111111;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.68);
  --accent: #39ff88;
  --accent-soft: rgba(57, 255, 136, 0.12);
  --accent-ink: #051309;
  --radius: 16px;
  --radius-sm: 10px;
  --container: 1160px;
  --font-latin: "Manrope", system-ui, -apple-system, sans-serif;
  --font-ar: "IBM Plex Sans Arabic", "Manrope", system-ui, sans-serif;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-latin);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html[lang="ar"] body { font-family: var(--font-ar); }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--accent); color: var(--accent-ink); }

.container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

.skip {
  position: absolute; inset-inline-start: 16px; top: -48px;
  background: var(--accent); color: var(--accent-ink);
  padding: 8px 16px; border-radius: 8px; z-index: 200; transition: top 0.2s;
}
.skip:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7, 7, 9, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; letter-spacing: 0.02em; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand .dot { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 26px; margin-inline-start: auto; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }
.nav-links a[aria-current="page"] { color: var(--text); position: relative; }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; inset-inline: 0; bottom: -6px; height: 2px;
  background: var(--accent); border-radius: 2px;
}

.lang-btn {
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 6px 14px; font-size: 13.5px; font-weight: 700; color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}
.lang-btn:hover { border-color: var(--accent); background: var(--accent-soft); }

.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line-strong); border-radius: 10px; position: relative; }
.burger span, .burger span::before, .burger span::after {
  content: ""; position: absolute; inset-inline-start: 10px; width: 20px; height: 2px;
  background: var(--text); border-radius: 2px; transition: transform 0.2s, opacity 0.2s;
}
.burger span { top: 20px; }
.burger span::before { inset-inline-start: 0; top: -6px; }
.burger span::after { inset-inline-start: 0; top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: 15.5px;
  transition: transform 0.15s ease-out, background 0.15s, border-color 0.15s, color 0.15s;
}
.btn:active { transform: scale(0.97); }
.btn-solid { background: var(--accent); color: var(--accent-ink); }
.btn-solid:hover { background: #e6fb6d; transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }

.arrow { display: inline-flex; transition: transform 0.2s; }
html[dir="rtl"] .arrow { transform: scaleX(-1); }
a:hover .arrow { transform: translateX(3px); }
html[dir="rtl"] a:hover .arrow { transform: scaleX(-1) translateX(3px); }

/* ---------- Sections & type ---------- */
.section { padding-block: 96px; }
.section-tight { padding-block: 64px; }

.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--accent); font-size: 13.5px; font-weight: 700;
  letter-spacing: 0.06em; margin-bottom: 18px;
}
.kicker::before { content: ""; width: 22px; height: 2px; background: var(--accent); border-radius: 2px; }

.h-display {
  font-size: clamp(2.5rem, 6.2vw, 4.4rem);
  font-weight: 800; line-height: 1.14; letter-spacing: -0.01em;
}
.h-section {
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
  font-weight: 800; line-height: 1.22; letter-spacing: -0.01em;
  max-width: 22ch;
}
.lead { color: var(--muted); font-size: clamp(1.05rem, 1.6vw, 1.2rem); max-width: 62ch; margin-top: 18px; }

.section-head { margin-bottom: 48px; }
.section-head.split { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: 110px 80px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(560px 340px at 18% 0%, rgba(57, 255, 136, 0.09), transparent 65%),
    radial-gradient(700px 420px at 85% 20%, rgba(255, 255, 255, 0.05), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 100%);
}
.hero .container { position: relative; }
.hero-title .accent { color: var(--accent); }
.hero-ctas { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 72px; padding-top: 32px; border-top: 1px solid var(--line);
}
.hero-stats .label { color: var(--muted); font-size: 13.5px; margin-bottom: 4px; }
.hero-stats .value { font-weight: 700; font-size: 17px; }

/* ---------- Client marquee ---------- */
.clients { border-block: 1px solid var(--line); background: var(--bg-2); padding-block: 34px; }
.clients .label { text-align: center; color: var(--muted); font-size: 13.5px; letter-spacing: 0.08em; margin-bottom: 24px; }
.marquee { overflow: hidden; direction: ltr; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 18px; width: max-content; animation: marquee 36s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.logo-chip {
  flex: 0 0 auto; display: flex; align-items: center; justify-content: center;
  width: 150px; height: 64px; padding: 8px 14px;
}
.logo-chip img {
  max-height: 44px; max-width: 122px; object-fit: contain;
  opacity: 0.92; transition: opacity 0.15s, transform 0.2s;
}
.logo-chip:hover img { opacity: 1; transform: scale(1.04); }

/* ---------- Cards ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform 0.2s ease-out, border-color 0.2s, background 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); background: var(--card-2); }
.card .num { color: var(--accent); font-weight: 800; font-size: 14px; letter-spacing: 0.08em; }
.card h3 { font-size: 19px; font-weight: 700; margin-block: 14px 10px; }
.card p { color: var(--muted); font-size: 15px; }
.card .meta {
  display: inline-block; margin-top: 16px; font-size: 12.5px; font-weight: 700;
  color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px;
}

/* ---------- Tech stack ---------- */
.stack { background: var(--bg-2); border-block: 1px solid var(--line); }
.stack-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.stack .marquee { margin-top: 10px; }
.stack .marquee + .marquee { margin-top: 16px; }
.stack .marquee-track { gap: 14px; animation-duration: 120s; }
.marquee-track.rev { animation-direction: reverse; }
.stack .tech { flex: 0 0 auto; width: 138px; }
.tech {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px 10px 18px; color: var(--muted);
  transition: transform 0.18s ease-out, color 0.18s, border-color 0.18s;
}
.tech:hover { transform: translateY(-4px); color: var(--text); border-color: var(--line-strong); }
.tech svg { width: 34px; height: 34px; fill: currentColor; }
.tech img { width: 34px; height: 34px; object-fit: contain; border-radius: 8px; }
.tech span { font-size: 12.5px; font-weight: 600; letter-spacing: 0.02em; }

/* ---------- Projects ---------- */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.project {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform 0.2s ease-out, border-color 0.2s;
}
.project:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.project .thumb { aspect-ratio: 4 / 3; overflow: hidden; background: var(--card-2); }
.project .thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform 0.45s ease-out; }
.project:hover .thumb img { transform: scale(1.04); }
.project .info { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px; }
.project .info h3 { font-size: 16.5px; font-weight: 700; }
.project .tag { font-size: 12px; font-weight: 700; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; white-space: nowrap; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-btn {
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 8px 20px;
  font-size: 14px; font-weight: 600; color: var(--muted); transition: all 0.15s;
}
.filter-btn:hover { color: var(--text); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.project.hide { display: none; }

/* ---------- Why / checklist ---------- */
.checks { display: grid; gap: 14px; margin-top: 8px; }
.checks li { display: flex; gap: 14px; align-items: flex-start; color: var(--text); font-size: 16px; font-weight: 500; }
.checks .tick {
  flex: 0 0 auto; width: 24px; height: 24px; margin-top: 2px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800;
}

.mind-card {
  background: linear-gradient(150deg, var(--card-2), var(--card));
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 34px; box-shadow: var(--shadow);
}
.mind-card .label { color: var(--accent); font-weight: 800; font-size: 13.5px; letter-spacing: 0.06em; margin-bottom: 14px; }
.mind-card p { font-size: 19px; font-weight: 600; line-height: 1.6; }

/* ---------- Process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.step .n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--accent-soft); color: var(--accent); font-weight: 800; margin-bottom: 18px;
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 780px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); margin-bottom: 12px; overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 22px; font-weight: 700; font-size: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev { flex: 0 0 auto; transition: transform 0.2s; color: var(--muted); }
.faq-item[open] summary .chev { transform: rotate(180deg); color: var(--accent); }
.faq-item .a { padding: 0 22px 20px; color: var(--muted); font-size: 15px; max-width: 65ch; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden; text-align: center;
  border-block: 1px solid var(--line); background: var(--bg-2); padding-block: 96px;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 300px at 50% 110%, rgba(57, 255, 136, 0.12), transparent 70%);
}
.cta-band .container { position: relative; }
.cta-band h2 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; line-height: 1.2; max-width: 20ch; margin-inline: auto; }
.cta-band p { color: var(--muted); max-width: 56ch; margin: 18px auto 32px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 28px; align-items: start; }
.detail-list { display: grid; gap: 4px; }
.detail-list .row { display: flex; gap: 14px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.detail-list .row:last-child { border-bottom: 0; }
.detail-list .k { flex: 0 0 auto; min-width: 118px; color: var(--muted); font-size: 14px; padding-top: 2px; }
.detail-list .v { font-weight: 600; font-size: 15.5px; overflow-wrap: anywhere; }
.detail-list .v a:hover { color: var(--accent); }

.form-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 700; color: var(--muted); }
.field input, .field textarea {
  background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  color: var(--text); font: inherit; padding: 12px 15px; width: 100%; transition: border-color 0.15s;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field input::placeholder, .field textarea::placeholder { color: rgba(166, 169, 177, 0.55); }
.form-note { display: none; margin-top: 16px; padding: 13px 16px; border-radius: var(--radius-sm); font-size: 14.5px; font-weight: 600; }
.form-note.ok { display: block; background: rgba(110, 231, 133, 0.1); color: #8ceba4; border: 1px solid rgba(110, 231, 133, 0.3); }
.form-note.err { display: block; background: rgba(255, 107, 107, 0.09); color: #ff9d9d; border: 1px solid rgba(255, 107, 107, 0.3); }
.hp { position: absolute; inset-inline-start: -9999px; opacity: 0; pointer-events: none; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--line); background: var(--bg-2); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: 40px; padding-block: 64px; }
.foot-grid .brand { margin-bottom: 16px; }
.foot-grid p { color: var(--muted); font-size: 14.5px; max-width: 40ch; }
.foot-grid h4 { font-size: 13.5px; font-weight: 800; letter-spacing: 0.07em; color: var(--muted); margin-bottom: 18px; }
.foot-grid ul { display: grid; gap: 10px; }
.foot-grid ul a { color: var(--muted); font-size: 14.5px; transition: color 0.15s; }
.foot-grid ul a:hover { color: var(--accent); }
.foot-bottom {
  border-top: 1px solid var(--line); padding-block: 22px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--muted); font-size: 13.5px;
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding-block: 84px 56px; position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(520px 300px at 15% 0%, rgba(57, 255, 136, 0.08), transparent 65%);
}
.page-hero .container { position: relative; }

/* ---------- Reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.55s ease-out, transform 0.55s ease-out; }
  .reveal.in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-4, .steps { grid-template-columns: repeat(2, 1fr); }
  .projects-grid, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stack-grid { grid-template-columns: repeat(4, 1fr); }
  .contact-grid, .grid-2 { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .section { padding-block: 68px; }
  .hero { padding-block: 72px 56px; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .projects-grid, .grid-4, .grid-3, .steps { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-grid { grid-template-columns: 1fr; }

  .burger { display: block; margin-inline-start: auto; }
  .nav-links {
    position: fixed; inset: 68px 0 auto 0; z-index: 99;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px; margin: 0;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 4px; font-size: 16px; border-bottom: 1px solid var(--line); }
  .nav-links a[aria-current="page"]::after { display: none; }
  .nav-links .btn { margin-top: 12px; justify-content: center; }
  .lang-btn.in-menu { display: none; }
}

/* ---------- Project detail pages ---------- */
a.project { color: inherit; }
.pd-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.pd-scope { color: var(--muted); font-size: 15px; margin-top: 22px; }
.pd-scope strong { color: var(--text); font-weight: 700; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery img { width: 100%; height: auto; display: block; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); }
.gallery.cols-1 { grid-template-columns: 1fr; max-width: 920px; margin-inline: auto; }
@media (max-width: 980px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .gallery { grid-template-columns: 1fr; } }