:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-2: #efece4;
  --ink: #121417;
  --muted: #5d6472;
  --line: #e2ded3;
  --accent: #2f6fd6;
  --accent-ink: #ffffff;
  --accent-soft: #e2ebfa;
  --green: #16a34a;
  --deep: #0f1729;
  --deep-ink: #e8edf6;
  --deep-muted: #93a0b6;
  --deep-line: #26324a;
  --shadow: 0 1px 2px rgba(18,20,23,.04), 0 12px 32px -12px rgba(18,20,23,.12);
  --radius: 22px;
  --font: "Manrope", system-ui, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c1016; --surface: #141a23; --surface-2: #1a212c; --ink: #edf1f7; --muted: #8f99ab;
    --line: #242d3a; --accent: #5b9bff; --accent-ink: #06142b; --accent-soft: rgba(91,155,255,.12);
    --green: #34d399; --deep: #10161f; --deep-line: #26303e;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 16px 40px -16px rgba(0,0,0,.6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0c1016; --surface: #141a23; --surface-2: #1a212c; --ink: #edf1f7; --muted: #8f99ab;
  --line: #242d3a; --accent: #5b9bff; --accent-ink: #06142b; --accent-soft: rgba(91,155,255,.12);
  --green: #34d399; --deep: #10161f; --deep-line: #26303e;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 16px 40px -16px rgba(0,0,0,.6);
  color-scheme: dark;
}
html[lang="ar"] { --font: "Readex Pro", system-ui, sans-serif; --serif: "Readex Pro", system-ui, sans-serif; }

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color .3s, color .3s;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
svg { flex: none; }

/* ---------- nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; transition: background-color .3s, box-shadow .3s; }
.nav.scrolled { background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(16px); box-shadow: 0 1px 0 var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 16px; }
.logo-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--accent); color: var(--accent-ink); font: italic 400 20px var(--serif); }
html[lang="ar"] .logo-mark { font: 600 15px var(--font); }
.nav-links { display: flex; gap: 6px; padding: 5px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.nav-links a { padding: 7px 16px; border-radius: 999px; font-size: 14.5px; font-weight: 500; color: var(--muted); transition: color .2s, background-color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { background: var(--ink); color: var(--bg); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn, .lang-btn { height: 40px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; transition: border-color .2s, transform .2s; }
.icon-btn { width: 40px; display: grid; place-items: center; }
.icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.icon-btn .i-moon { fill: currentColor; stroke: none; }
.icon-btn .i-sun { display: none; }
:root[data-theme="dark"] .icon-btn .i-sun { display: block; }
:root[data-theme="dark"] .icon-btn .i-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-btn .i-sun { display: block; }
  :root:not([data-theme="light"]) .icon-btn .i-moon { display: none; }
}
.lang-btn { padding: 0 16px; font: 600 14px "Readex Pro", var(--font); }
html[lang="ar"] .lang-btn { font-family: "Manrope", sans-serif; }
.icon-btn:hover, .lang-btn:hover { border-color: var(--accent); }
.menu-btn { display: none; width: 40px; height: 40px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; cursor: pointer; position: relative; }
.menu-btn span { position: absolute; left: 12px; right: 12px; height: 2px; border-radius: 2px; background: var(--ink); transition: .25s; }
.menu-btn span:first-child { top: 15px; } .menu-btn span:last-child { top: 23px; }
.menu-btn[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 72px; align-items: center; padding: 56px 0 88px; }
.status { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--ink); background: var(--surface); border: 1px solid var(--line); padding: 7px 16px 7px 12px; border-radius: 999px; margin-bottom: 28px; box-shadow: var(--shadow); }
.pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 color-mix(in srgb, var(--green) 60%, transparent); animation: pulse 2s infinite; flex: none; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
h1 { font-size: clamp(40px, 5.6vw, 74px); line-height: 1.02; letter-spacing: -.035em; font-weight: 800; }
h1 em { font: italic 400 1.08em/1 var(--serif); letter-spacing: -.01em; color: var(--accent); }
html[lang="ar"] h1 { letter-spacing: 0; line-height: 1.3; font-weight: 700; }
html[lang="ar"] h1 em { font: inherit; font-style: normal; }
.lead { margin-top: 26px; font-size: 18.5px; color: var(--muted); max-width: 560px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font: 600 15.5px var(--font); padding: 15px 26px; border-radius: 999px; border: 1px solid transparent; cursor: pointer; transition: transform .2s, box-shadow .2s, background-color .2s, border-color .2s; }
.btn .arrow { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }
html[dir="rtl"] .btn .arrow { transform: scaleX(-1); }
.btn:hover .arrow { transform: translateX(3px); }
html[dir="rtl"] .btn:hover .arrow { transform: scaleX(-1) translateX(3px); }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(18,20,23,.45); }
.btn-ghost { border-color: var(--line); background: var(--surface); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.socials { list-style: none; display: flex; gap: 10px; margin-top: 36px; }
.socials a { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); color: var(--muted); transition: .2s; }
.socials a:hover { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.socials svg { width: 18px; height: 18px; fill: currentColor; }

.hero-visual { position: relative; padding: 14px 40px 14px 0; }
html[dir="rtl"] .hero-visual { padding: 14px 0 14px 40px; }
.portrait { position: relative; max-width: 420px; margin-inline-start: auto; }
.portrait picture { display: block; position: relative; z-index: 1; border-radius: 200px 200px 28px 28px; overflow: hidden; aspect-ratio: 4 / 5; background: #4a8ac6; box-shadow: 0 40px 80px -30px rgba(31,74,140,.55); }
.portrait img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s cubic-bezier(.2,.7,.2,1); }
.portrait:hover img { transform: scale(1.03); }
.portrait-ring { position: absolute; inset: -14px; border: 1.5px dashed color-mix(in srgb, var(--accent) 45%, transparent); border-radius: 214px 214px 40px 40px; z-index: 0; }
.nameplate { position: absolute; z-index: 2; inset-inline: 18px; bottom: 18px; padding: 14px 18px; border-radius: 18px; background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(12px); border: 1px solid var(--line); }
.nameplate b { display: block; font-size: 16px; }
.nameplate span { font-size: 13px; color: var(--muted); }
.float-chip { position: absolute; z-index: 3; font: 500 13px var(--mono); padding: 8px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); animation: bob 6s ease-in-out infinite; direction: ltr; }
.float-chip::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-inline-end: 8px; vertical-align: 1px; }
.c1 { top: 16%; inset-inline-start: -46px; }
.c2 { top: 44%; inset-inline-end: -40px; animation-delay: -2s; }
.c2::before { background: var(--green); }
.c3 { top: 4%; inset-inline-end: 6%; animation-delay: -4s; }
.c3::before { background: #f59e0b; }
@keyframes bob { 50% { transform: translateY(-9px); } }


/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: var(--surface); padding: 18px 0; direction: ltr; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee 38s linear infinite; }
.marquee-track span { font: italic 400 26px var(--serif); color: var(--muted); white-space: nowrap; display: flex; align-items: center; gap: 48px; }
.marquee-track span::after { content: "✦"; font-style: normal; font-size: 14px; color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 16px; margin-top: 88px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column; justify-content: space-between; gap: 18px; min-height: 180px; }
.stat b { font: 400 64px/1 var(--serif); letter-spacing: -.02em; }
html[lang="ar"] .stat b { font: 600 52px/1 var(--font); }
.stat span { color: var(--muted); font-size: 14.5px; }
.stat-big { background: var(--accent); border-color: transparent; color: var(--accent-ink); }
.stat-big b { font-size: 92px; }
html[lang="ar"] .stat-big b { font-size: 72px; }
.stat-big span { color: color-mix(in srgb, var(--accent-ink) 82%, transparent); font-size: 16px; }

/* ---------- sections ---------- */
.section { padding: 128px 0 0; }
.section-head { max-width: 740px; margin-bottom: 52px; }
.kicker { display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 600; color: var(--accent); margin-bottom: 18px; }
.k-num { font: 500 12px var(--mono); color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }
h2 { font-size: clamp(32px, 4.2vw, 54px); line-height: 1.06; letter-spacing: -.03em; font-weight: 800; }
html[lang="ar"] h2 { letter-spacing: 0; line-height: 1.35; font-weight: 700; }
.section-lead { color: var(--muted); font-size: 17.5px; margin-top: 18px; }

/* services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); transition: transform .3s, border-color .3s; }
.service:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.service-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; background: var(--accent-soft); color: var(--accent); margin-bottom: 26px; }
.service-icon svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service h3 { font-size: 24px; letter-spacing: -.01em; margin-bottom: 10px; }
.service p { color: var(--muted); font-size: 15.5px; }

/* cases */
.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.case { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 36px; box-shadow: var(--shadow); overflow: hidden; transition: transform .3s; }
.case:hover { transform: translateY(-4px); }
.case::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--case-c, var(--accent)); }
.case-b { --case-c: #10b981; } .case-c { --case-c: #f59e0b; } .case-d { --case-c: #8b5cf6; }
.case-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 22px; }
.case-tag { font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 999px; background: color-mix(in srgb, var(--case-c, var(--accent)) 12%, transparent); color: var(--case-c, var(--accent)); }
.case-metric { font: 400 44px/1 var(--serif); text-align: end; direction: ltr; }
.case-metric small { display: block; font: 500 11px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-top: 6px; }
.case h3 { font-size: 26px; line-height: 1.2; letter-spacing: -.015em; margin-bottom: 12px; }
html[lang="ar"] .case h3 { letter-spacing: 0; line-height: 1.45; }
.case > p { color: var(--muted); font-size: 15.5px; }
.bullets { list-style: none; margin: 22px 0 26px; display: grid; gap: 11px; }
.bullets li { position: relative; padding-inline-start: 28px; font-size: 15px; }
.bullets li::before { content: ""; position: absolute; inset-inline-start: 0; top: .62em; width: 14px; height: 2px; border-radius: 2px; background: var(--case-c, var(--accent)); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { font: 500 12.5px var(--mono); padding: 6px 12px; border-radius: 999px; background: var(--surface-2); color: var(--ink); direction: ltr; }

/* principles */
.principles { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.principle { display: flex; gap: 24px; padding: 34px 8px 34px 0; border-bottom: 1px solid var(--line); }
.principle:nth-child(odd) { padding-inline-end: 40px; border-inline-end: 1px solid var(--line); }
.principle:nth-child(even) { padding-inline-start: 40px; }
.p-num { font: italic 400 44px/1 var(--serif); color: var(--accent); min-width: 48px; }
html[lang="ar"] .p-num { font: 600 30px/1 var(--font); }
.principle h3 { font-size: 21px; margin-bottom: 8px; }
.principle p { color: var(--muted); font-size: 15.5px; }

/* stack */
.stack { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stack-group { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: var(--surface); box-shadow: var(--shadow); }
.stack-group h3 { font-size: 17px; margin-bottom: 16px; }

/* contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; border-radius: 32px; padding: 64px; background: var(--accent); color: var(--accent-ink); position: relative; overflow: hidden; }
.contact::before { content: ""; position: absolute; width: 520px; height: 520px; bottom: -260px; inset-inline-start: -160px; border-radius: 50%; border: 1.5px dashed rgba(255,255,255,.25); pointer-events: none; }
.contact .kicker { color: inherit; opacity: .9; }
.contact .k-num { color: inherit; border-color: color-mix(in srgb, var(--accent-ink) 35%, transparent); }
.contact .section-lead { color: color-mix(in srgb, var(--accent-ink) 82%, transparent); }
.contact-list { list-style: none; margin-top: 36px; display: grid; }
.contact-list li { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid color-mix(in srgb, var(--accent-ink) 22%, transparent); font-size: 15px; }
.contact-list li span { opacity: .8; }
.contact-list a { font-weight: 600; overflow-wrap: anywhere; text-align: end; }
.contact-list a:hover { text-decoration: underline; text-underline-offset: 4px; }
.contact-form { position: relative; display: grid; gap: 16px; align-content: start; background: var(--surface); color: var(--ink); border-radius: 24px; padding: 32px; box-shadow: 0 30px 60px -24px rgba(8,20,48,.5); }
.contact-form label { display: grid; gap: 8px; font-size: 14px; font-weight: 600; }
.contact-form input, .contact-form textarea { font: 15px var(--font); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; outline: none; transition: border-color .2s, box-shadow .2s; resize: vertical; width: 100%; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.contact-form .invalid { border-color: #ef4444; }
.contact-form .btn { justify-self: start; }
.btn-light { background: var(--ink); color: var(--bg); }
.btn-light:hover { transform: translateY(-2px); }
.contact-form .btn[disabled] { opacity: .6; cursor: wait; }
.hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.form-status { font-size: 14px; min-height: 22px; font-weight: 600; }
.form-status.ok { color: var(--green); } .form-status.err { color: #ef4444; }

/* footer */
.footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 56px 0 40px; color: var(--muted); font-size: 14px; }

/* reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .pulse, .float-chip, .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .nav-links a { padding: 7px 11px; }
  .logo-name { display: none; }
  .hero { grid-template-columns: 1fr; gap: 56px; padding-top: 32px; }
  .portrait { margin-inline: auto; }
  .hero-visual, html[dir="rtl"] .hero-visual { padding: 14px 0; }
  .stats { grid-template-columns: 1fr 1fr; }
  .services, .stack { grid-template-columns: 1fr 1fr; }
  .cases { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; padding: 44px; gap: 40px; }
}
@media (max-width: 760px) {
  .logo-name { display: inline; }
  .menu-btn { display: block; }
  .nav-links { position: absolute; top: 72px; inset-inline: 16px; flex-direction: column; border-radius: 20px; padding: 8px; display: none; gap: 2px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; font-size: 16px; }
  .hero { padding-bottom: 64px; }
  .lead { font-size: 17px; }
  .portrait { max-width: 320px; }
  .c1 { inset-inline-start: -12px; } .c2 { inset-inline-end: -10px; }
  .stats { margin-top: 64px; gap: 12px; }
  .stats { grid-template-columns: 1fr; }
  .stat { flex-direction: row; align-items: center; gap: 20px; padding: 20px 22px; min-height: 0; }
  .stat b, .stat-big b { font-size: 48px; min-width: 84px; }
  html[lang="ar"] .stat b, html[lang="ar"] .stat-big b { font-size: 40px; }
  .logo-name { font-size: 15px; white-space: nowrap; }
  .services, .stack, .principles { grid-template-columns: 1fr; }
  .principle, .principle:nth-child(odd), .principle:nth-child(even) { padding: 28px 0; border-inline-end: 0; }
  .section { padding-top: 96px; }
  .case { padding: 26px 22px; }
  .case-metric { font-size: 34px; }
  .contact { padding: 30px 18px; border-radius: 24px; }
  .contact-form { padding: 22px; }
  .marquee-track span { font-size: 21px; }
}