/* ============================================================
   INTECH Innovation — Neural Futurism design system
   Pure CSS, bilingual EN/AR (RTL), dark theme. Bluehost-ready.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --bg:#060912; --bg-2:#0B1222;
  --surface:rgba(255,255,255,.04); --surface-2:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.10); --border-2:rgba(255,255,255,.16);
  --primary:#22D3EE; --primary-2:#38BDF8;
  --accent:#8B5CF6; --accent-2:#6366F1;
  --text:#E8EEF7; --muted:#9FB0C6; --muted-2:#6B7C93;
  --ok:#34D399; --warn:#FBBF24; --danger:#F87171;
  --grad:linear-gradient(135deg,#22D3EE 0%,#6366F1 55%,#8B5CF6 100%);
  --grad-soft:linear-gradient(135deg,rgba(34,211,238,.18),rgba(139,92,246,.18));
  --glow:0 0 44px rgba(34,211,238,.22);
  --shadow:0 18px 50px -20px rgba(0,0,0,.65);
  --header-bg:rgba(6,9,18,.72); --nav-bg:rgba(6,9,18,.97); --marquee-bg:rgba(11,18,34,.5);
  --track:rgba(255,255,255,.08); --highlight:rgba(255,255,255,.18);
  --grid-line:rgba(255,255,255,.045); --input-bg:rgba(0,0,0,.25);
  --r-sm:8px; --r-md:14px; --r-lg:20px; --r-xl:28px; --r-pill:999px;
  --container:1200px;
  --sx:clamp(16px,4vw,32px);
  --sy:clamp(64px,9vw,128px);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-head:'Space Grotesk','Tajawal',system-ui,sans-serif;
  --font-body:'Inter','Tajawal',system-ui,sans-serif;
}
:root[lang="ar"]{ --font-head:'Tajawal',sans-serif; --font-body:'Tajawal',sans-serif; }

/* ---------- Light theme ---------- */
:root[data-theme="light"]{
  --bg:#EEF3F9; --bg-2:#FFFFFF;
  --surface:rgba(15,28,54,.035); --surface-2:rgba(15,28,54,.06);
  --border:rgba(15,28,54,.12); --border-2:rgba(15,28,54,.20);
  --primary:#0E8FA8; --primary-2:#0E7490;
  --accent:#7C3AED; --accent-2:#4F46E5;
  --text:#0B1222; --muted:#475569; --muted-2:#64748B;
  --grad:linear-gradient(135deg,#0891B2 0%,#4F46E5 55%,#7C3AED 100%);
  --grad-soft:linear-gradient(135deg,rgba(8,145,178,.12),rgba(124,58,237,.12));
  --glow:0 0 40px rgba(8,145,178,.20);
  --shadow:0 18px 50px -22px rgba(2,8,23,.20);
  --header-bg:rgba(238,243,249,.78); --nav-bg:rgba(255,255,255,.98); --marquee-bg:rgba(15,28,54,.03);
  --track:rgba(15,28,54,.10); --highlight:rgba(255,255,255,.65);
  --grid-line:rgba(15,28,54,.05); --input-bg:rgba(15,28,54,.04);
}
:root[data-theme="light"] .btn-primary{color:#fff}
:root[data-theme="light"] .flow-step .n{color:#fff}
:root[data-theme="light"] .orb{opacity:.28}
html{transition:background-color .3s var(--ease)}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}
body{
  font-family:var(--font-body);background:var(--bg);color:var(--text);
  line-height:1.65;font-size:16px;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(34,211,238,.3);color:#fff}

/* ---------- Background FX ---------- */
.bg-fx{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.bg-fx::before{content:"";position:absolute;inset:0;
  background:
   radial-gradient(60% 50% at 75% 0%,rgba(99,102,241,.16),transparent 60%),
   radial-gradient(50% 50% at 10% 10%,rgba(34,211,238,.12),transparent 60%);
}
.bg-fx .grid{position:absolute;inset:-2px;opacity:.35;
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),
   linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(110% 80% at 50% 0%,#000 35%,transparent 78%);
          mask-image:radial-gradient(110% 80% at 50% 0%,#000 35%,transparent 78%);
}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;animation:drift 22s var(--ease) infinite alternate}
.orb.o1{width:420px;height:420px;background:#22d3ee33;top:-80px;inset-inline-start:-60px}
.orb.o2{width:520px;height:520px;background:#8b5cf633;top:30%;inset-inline-end:-120px;animation-delay:-7s}
.orb.o3{width:360px;height:360px;background:#6366f133;bottom:-100px;inset-inline-start:35%;animation-delay:-13s}
@keyframes drift{to{transform:translate3d(40px,40px,0) scale(1.12)}}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--sx)}
section{padding-block:var(--sy);position:relative}
.section-head{max-width:720px;margin-inline:auto;text-align:center;margin-bottom:clamp(32px,5vw,64px)}
.eyebrow{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-head);
  font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);padding:.45em 1em;border:1px solid var(--border-2);
  border-radius:var(--r-pill);background:var(--surface);backdrop-filter:blur(8px)}
:root[lang="ar"] .eyebrow{letter-spacing:0}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.12;letter-spacing:-.02em}
:root[lang="ar"] h1,:root[lang="ar"] h2,:root[lang="ar"] h3,:root[lang="ar"] h4{letter-spacing:0}
h2{font-size:clamp(1.9rem,4.4vw,3rem)}
.section-head p{color:var(--muted);font-size:clamp(1rem,2vw,1.15rem);margin-top:1rem}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  font-family:var(--font-head);font-weight:600;font-size:1rem;
  padding:.9em 1.6em;border-radius:var(--r-pill);min-height:48px;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .25s;
  white-space:nowrap}
.btn svg{width:1.15em;height:1.15em;flex:none}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--grad);color:#03121a;box-shadow:var(--glow)}
.btn-primary:hover{box-shadow:0 0 60px rgba(34,211,238,.4);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--border-2);background:var(--surface);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);background:var(--surface-2);transform:translateY(-2px)}
.btn-lg{padding:1.05em 2em;font-size:1.05rem}

/* ---------- Header / Nav ---------- */
.header{position:fixed;inset-block-start:0;inset-inline:0;z-index:100;
  transition:background .3s,border-color .3s,backdrop-filter .3s}
.header.scrolled{background:var(--header-bg);backdrop-filter:blur(16px);
  border-block-end:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:72px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-head);
  font-weight:700;font-size:1.2rem;letter-spacing:-.01em}
.brand .logo{width:38px;height:38px;flex:none}
.brand b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:.35rem}
.nav-links a{padding:.55rem .85rem;border-radius:var(--r-sm);color:var(--muted);
  font-size:.95rem;font-weight:500;transition:color .2s,background .2s}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--surface)}
.nav-actions{display:flex;align-items:center;gap:.6rem}
.lang-toggle{display:inline-flex;align-items:center;gap:.4em;border:1px solid var(--border-2);
  background:var(--surface);padding:.5em .9em;border-radius:var(--r-pill);
  font-family:var(--font-head);font-weight:600;font-size:.85rem;min-height:40px;
  transition:border-color .2s,background .2s}
.lang-toggle:hover{border-color:var(--primary);background:var(--surface-2)}
.lang-toggle svg{width:1.1em;height:1.1em}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--border-2);background:var(--surface);align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px}

/* ---------- Hero ---------- */
.hero{padding-block:clamp(130px,18vh,190px) var(--sy);text-align:center;position:relative}
.hero-inner{max-width:880px;margin-inline:auto}
.hero h1{font-size:clamp(2.5rem,7vw,4.6rem);margin-block:1rem .9rem}
.hero p{color:var(--muted);font-size:clamp(1.05rem,2.3vw,1.35rem);max-width:640px;margin-inline:auto}
.hero-cta{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:2.2rem}
.hero-stats{display:flex;gap:clamp(1rem,4vw,3rem);justify-content:center;flex-wrap:wrap;margin-top:3.4rem}
.hero-stats .stat{text-align:center}
.hero-stats .num{font-family:var(--font-head);font-weight:700;font-size:clamp(1.8rem,4vw,2.6rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .lbl{color:var(--muted);font-size:.9rem;margin-top:.2rem}

/* ---------- Marquee / trust ---------- */
.marquee{border-block:1px solid var(--border);background:var(--marquee-bg);
  padding-block:1.4rem;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:3rem;width:max-content;animation:scroll-x 26s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{display:inline-flex;align-items:center;gap:.6rem;color:var(--muted-2);
  font-family:var(--font-head);font-weight:600;font-size:1.05rem;white-space:nowrap}
.marquee-track svg{width:20px;height:20px;color:var(--primary)}
@keyframes scroll-x{to{transform:translateX(-50%)}}
:root[dir="rtl"] .marquee-track{animation-direction:reverse}

/* ---------- Cards / grids ---------- */
.glass{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  backdrop-filter:blur(14px);box-shadow:var(--shadow);position:relative;overflow:hidden}
.glass::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(135deg,var(--highlight),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:.6}
.grid{display:grid;gap:clamp(1rem,2.2vw,1.6rem)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

.feature{padding:clamp(1.4rem,2.6vw,2rem);transition:transform .25s var(--ease),border-color .25s}
.feature:hover{transform:translateY(-6px);border-color:var(--border-2)}
.feature .ico{width:54px;height:54px;border-radius:var(--r-md);display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid var(--border-2);margin-bottom:1.1rem;color:var(--primary)}
.feature .ico svg{width:26px;height:26px}
.feature h3{font-size:1.2rem;margin-bottom:.5rem}
.feature p{color:var(--muted);font-size:.97rem}

/* ---------- About / split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.split h2{margin-bottom:1rem}
.split p{color:var(--muted);margin-bottom:1rem}
.check-list{display:grid;gap:.8rem;margin-top:1.4rem}
.check-list li{display:flex;gap:.7rem;align-items:flex-start;color:var(--text)}
.check-list svg{width:22px;height:22px;color:var(--primary);flex:none;margin-block-start:2px}
.visual-card{padding:1.6rem;display:grid;gap:1rem}
.flow-step{display:flex;align-items:center;gap:1rem;padding:1rem 1.1rem;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--border)}
.flow-step .n{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;flex:none;
  font-family:var(--font-head);font-weight:700;background:var(--grad);color:#03121a}
.flow-step h4{font-size:1rem}.flow-step p{color:var(--muted);font-size:.88rem;margin:0}

/* ---------- Products ---------- */
.product{padding:clamp(1.6rem,3vw,2.2rem);display:flex;flex-direction:column;gap:1rem;
  transition:transform .25s var(--ease),border-color .25s}
.product:hover{transform:translateY(-6px);border-color:var(--primary)}
.product .tag{align-self:flex-start;font-family:var(--font-head);font-weight:600;font-size:.72rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--primary);
  padding:.3em .8em;border-radius:var(--r-pill);background:var(--grad-soft);border:1px solid var(--border-2)}
:root[lang="ar"] .product .tag{letter-spacing:0}
.product h3{font-size:1.5rem}
.product>p{color:var(--muted);flex:1}
.product .specs{display:grid;gap:.55rem;margin-top:.4rem}
.product .specs li{display:flex;gap:.6rem;color:var(--muted);font-size:.92rem}
.product .specs svg{width:18px;height:18px;color:var(--primary);flex:none;margin-block-start:3px}

/* ---------- Industries ---------- */
.ind{padding:1.6rem;text-align:center;transition:transform .25s var(--ease),border-color .25s}
.ind:hover{transform:translateY(-6px);border-color:var(--border-2)}
.ind .ico{width:64px;height:64px;margin:0 auto 1rem;border-radius:var(--r-lg);display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid var(--border-2);color:var(--primary)}
.ind .ico svg{width:30px;height:30px}
.ind h3{font-size:1.1rem;margin-bottom:.4rem}.ind p{color:var(--muted);font-size:.9rem}

/* ---------- Use cases ---------- */
.usecase{padding:clamp(1.5rem,2.8vw,2rem);display:flex;flex-direction:column;gap:.8rem;
  transition:transform .25s var(--ease),border-color .25s}
.usecase:hover{transform:translateY(-6px);border-color:var(--border-2)}
.usecase .kpi{font-family:var(--font-head);font-weight:700;font-size:clamp(2rem,4vw,2.6rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.usecase h3{font-size:1.15rem}.usecase p{color:var(--muted);font-size:.95rem}

/* ---------- Stats band ---------- */
.stats-band{background:linear-gradient(135deg,rgba(34,211,238,.07),rgba(139,92,246,.07));
  border-block:1px solid var(--border)}
.stats-band .grid{text-align:center}
.stats-band .num{font-family:var(--font-head);font-weight:700;font-size:clamp(2.2rem,5vw,3.4rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats-band .lbl{color:var(--muted);margin-top:.3rem}

/* ---------- CTA ---------- */
.cta-wrap{padding:clamp(2.4rem,6vw,4.5rem);text-align:center;
  background:radial-gradient(120% 140% at 50% 0%,rgba(99,102,241,.18),transparent 60%),var(--surface)}
.cta-wrap h2{margin-bottom:1rem}
.cta-wrap p{color:var(--muted);max-width:560px;margin:0 auto 2rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.6rem,4vw,3rem)}
.contact-info{display:grid;gap:1.1rem;align-content:start}
.contact-info .row{display:flex;gap:.9rem;align-items:flex-start}
.contact-info .ico{width:46px;height:46px;border-radius:var(--r-md);display:grid;place-items:center;flex:none;
  background:var(--grad-soft);border:1px solid var(--border-2);color:var(--primary)}
.contact-info .ico svg{width:22px;height:22px}
.contact-info .row b{font-family:var(--font-head)}
.contact-info .row span{color:var(--muted);font-size:.95rem}
.form{padding:clamp(1.4rem,3vw,2rem);display:grid;gap:1rem}
.field{display:grid;gap:.4rem}
.field label{font-size:.85rem;font-weight:600;color:var(--text)}
.field label .req{color:var(--primary)}
.field input,.field textarea,.field select{
  width:100%;padding:.85em 1em;border-radius:var(--r-md);min-height:48px;
  background:var(--input-bg);border:1px solid var(--border);color:var(--text);
  font:inherit;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.form-note{font-size:.82rem;color:var(--muted-2)}
.form-status{font-size:.92rem;padding:.6em 0;min-height:1.2em}
.form-status.ok{color:var(--ok)} .form-status.err{color:var(--danger)}

/* ---------- Footer ---------- */
.footer{border-block-start:1px solid var(--border);background:var(--bg-2);padding-block:clamp(2.5rem,5vw,4rem) 1.6rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2.4rem}
.footer-grid h4{font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);margin-bottom:1rem}
:root[lang="ar"] .footer-grid h4{letter-spacing:0}
.footer-grid a{display:block;color:var(--muted);padding:.3rem 0;font-size:.93rem;transition:color .2s}
.footer-grid a:hover{color:var(--primary)}
.footer .about{color:var(--muted);font-size:.93rem;margin-block:1rem;max-width:320px}
.socials{display:flex;gap:.6rem}
.socials a{width:42px;height:42px;border-radius:var(--r-md);display:grid;place-items:center;
  border:1px solid var(--border);background:var(--surface);color:var(--muted);transition:.2s}
.socials a:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px)}
.socials svg{width:20px;height:20px}
.footer-bottom{border-block-start:1px solid var(--border);padding-block-start:1.6rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:var(--muted-2);font-size:.85rem}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}.reveal[data-d="4"]{transition-delay:.32s}

/* ---------- Calculator ---------- */
.calc-hero{padding-block:clamp(120px,16vh,170px) 0;text-align:center}
.calc-hero h1{font-size:clamp(2.2rem,6vw,3.8rem);margin-block:1rem .8rem}
.calc-hero p{color:var(--muted);max-width:620px;margin-inline:auto;font-size:clamp(1rem,2.2vw,1.2rem)}
.calc-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.4rem,3vw,2.4rem);align-items:start}
.calc-panel{padding:clamp(1.4rem,3vw,2.2rem)}
.dept-tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.6rem}
.dept-tab{display:inline-flex;align-items:center;gap:.5em;padding:.6em 1.1em;border-radius:var(--r-pill);
  border:1px solid var(--border);background:var(--surface);color:var(--muted);
  font-family:var(--font-head);font-weight:600;font-size:.92rem;min-height:44px;transition:.2s}
.dept-tab svg{width:1.1em;height:1.1em}
.dept-tab[aria-selected="true"]{background:var(--grad);color:#03121a;border-color:transparent;box-shadow:var(--glow)}
.slider-row{margin-bottom:1.5rem}
.slider-row .top{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.5rem}
.slider-row label{font-weight:600;font-size:.95rem}
.slider-row .val{font-family:var(--font-head);font-weight:700;font-size:1.1rem;color:var(--primary);
  font-variant-numeric:tabular-nums}
.slider-row .hint{color:var(--muted-2);font-size:.8rem;margin-top:.4rem}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:99px;
  background:linear-gradient(90deg,var(--primary) var(--p,40%),var(--track) var(--p,40%));
  outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;
  background:#fff;border:4px solid var(--primary);cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.4);transition:transform .15s}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.12)}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:4px solid var(--primary);cursor:pointer}

.result-card{padding:clamp(1.4rem,3vw,2.2rem);position:sticky;top:90px}
.result-headline{text-align:center;margin-bottom:1.4rem}
.result-headline .small{color:var(--muted);font-size:.9rem}
.result-headline .big{font-family:var(--font-head);font-weight:700;font-size:clamp(2.4rem,7vw,3.6rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;line-height:1.05;margin-block:.2rem}
.result-headline .per{color:var(--muted);font-size:.95rem}
.donut-wrap{display:flex;align-items:center;gap:1.4rem;flex-wrap:wrap;justify-content:center;margin-block:1.4rem}
.donut{--pct:35;width:150px;height:150px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:conic-gradient(var(--primary) calc(var(--pct)*1%),var(--track) 0);
  transition:--pct .6s var(--ease)}
@property --pct{syntax:'<number>';inherits:false;initial-value:0}
.donut .inner{width:108px;height:108px;border-radius:50%;background:var(--bg-2);display:grid;place-items:center;text-align:center}
.donut .inner b{font-family:var(--font-head);font-size:1.5rem;color:var(--text);font-variant-numeric:tabular-nums}
.donut .inner span{display:block;color:var(--muted);font-size:.72rem}
.legend{display:grid;gap:.7rem;min-width:180px}
.legend .row{display:flex;justify-content:space-between;gap:1rem;font-size:.92rem}
.legend .row .k{display:flex;align-items:center;gap:.5em;color:var(--muted)}
.legend .dot{width:11px;height:11px;border-radius:3px;flex:none}
.legend .v{font-family:var(--font-head);font-weight:600;font-variant-numeric:tabular-nums}
.bars{display:grid;gap:.9rem;margin-block:1.2rem}
.bar-row .top{display:flex;justify-content:space-between;font-size:.88rem;margin-bottom:.35rem}
.bar-row .top .v{font-variant-numeric:tabular-nums;color:var(--primary);font-weight:600}
.bar-track{height:10px;border-radius:99px;background:var(--track);overflow:hidden}
.bar-fill{height:100%;border-radius:99px;background:var(--grad);width:0;transition:width .7s var(--ease)}
.result-note{font-size:.78rem;color:var(--muted-2);text-align:center;margin-top:1rem;line-height:1.5}
.assump{margin-top:1.2rem;border-top:1px solid var(--border);padding-top:1rem}
.assump summary{cursor:pointer;font-size:.9rem;color:var(--muted);font-weight:600}
.assump p{font-size:.82rem;color:var(--muted-2);margin-top:.6rem}

/* ---------- Utilities ---------- */
.center{text-align:center}
.mt-l{margin-top:2.5rem}
.hide{display:none!important}
.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}
.skip-link{position:absolute;inset-inline-start:50%;transform:translateX(-50%) translateY(-150%);
  top:8px;background:var(--primary);color:#03121a;padding:.6em 1.2em;border-radius:var(--r-pill);
  z-index:200;font-weight:600;transition:transform .2s}
.skip-link:focus{transform:translateX(-50%) translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-links{position:fixed;inset-block-start:72px;inset-inline:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--nav-bg);backdrop-filter:blur(18px);border-block-end:1px solid var(--border);
    padding:1rem var(--sx) 1.4rem;transform:translateY(-130%);transition:transform .3s var(--ease);
    box-shadow:var(--shadow)}
  .nav-links.open{transform:none}
  .nav-links a{padding:.9rem 1rem;border-radius:var(--r-md)}
  .nav-toggle{display:inline-flex}
  .split,.calc-layout,.contact-grid{grid-template-columns:1fr}
  .result-card{position:static}
  /* dropdown becomes inline accordion inside the mobile panel */
  .nav-dd{width:100%}
  .nav-dd-toggle{width:100%;justify-content:space-between;padding:.9rem 1rem;font-size:1rem}
  .nav-dd-menu{position:static;inset:auto;min-width:0;box-shadow:none;border:0;background:transparent;
    backdrop-filter:none;padding:0 0 .4rem .6rem;display:none}
  .nav-dd:hover .nav-dd-menu,.nav-dd:focus-within .nav-dd-menu{display:none}
  .nav-dd.open .nav-dd-menu{display:flex}
  .nav-dd-menu a:first-child{border:0}
}
@media (max-width:600px){
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
}

/* ============================================================
   Additions: theme toggle, sub-pages, blog
   ============================================================ */
.icon-btn{width:44px;height:44px;border-radius:var(--r-md);display:inline-grid;place-items:center;
  border:1px solid var(--border-2);background:var(--surface);color:var(--text);
  transition:border-color .2s,background .2s,transform .2s}
.icon-btn:hover{border-color:var(--primary);background:var(--surface-2);transform:translateY(-2px)}
.icon-btn svg{width:20px;height:20px}
.icon-btn .sun{display:none}.icon-btn .moon{display:block}
:root[data-theme="light"] .icon-btn .sun{display:block}
:root[data-theme="light"] .icon-btn .moon{display:none}

/* sub-page hero */
.page-hero{padding-block:clamp(120px,16vh,170px) 0;text-align:center}
.page-hero h1{font-size:clamp(2.1rem,5.5vw,3.6rem);margin-block:1rem .7rem}
.page-hero p{color:var(--muted);max-width:640px;margin-inline:auto;font-size:clamp(1rem,2.2vw,1.2rem)}
.breadcrumb{display:flex;gap:.5rem;justify-content:center;color:var(--muted-2);font-size:.85rem;margin-top:1rem}
.breadcrumb a:hover{color:var(--primary)}

/* product detail block */
.pd{padding:clamp(1.6rem,3.4vw,2.6rem);display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:center}
.pd:nth-child(even) .pd-media{order:-1}
.pd .tag{align-self:flex-start;font-family:var(--font-head);font-weight:600;font-size:.72rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--primary);
  padding:.3em .8em;border-radius:var(--r-pill);background:var(--grad-soft);border:1px solid var(--border-2);display:inline-block;margin-bottom:1rem}
:root[lang="ar"] .pd .tag{letter-spacing:0}
.pd h2{font-size:clamp(1.6rem,3.5vw,2.3rem);margin-bottom:.7rem}
.pd>div>p{color:var(--muted);margin-bottom:1rem}
.pd-media{aspect-ratio:4/3;border-radius:var(--r-lg);border:1px solid var(--border);
  background:var(--grad-soft);display:grid;place-items:center;position:relative;overflow:hidden}
.pd-media svg{width:38%;height:38%;color:var(--primary);opacity:.85}
.pd-media::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 70% 20%,rgba(34,211,238,.16),transparent 60%)}
@media (max-width:820px){.pd{grid-template-columns:1fr}.pd:nth-child(even) .pd-media{order:0}}

/* blog */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,2.4vw,1.6rem)}
.post-card{overflow:hidden;display:flex;flex-direction:column;transition:transform .25s var(--ease),border-color .25s}
.post-card:hover{transform:translateY(-6px);border-color:var(--border-2)}
.post-cover{aspect-ratio:16/9;background:var(--grad-soft);display:grid;place-items:center;border-block-end:1px solid var(--border)}
.post-cover svg{width:30%;height:30%;color:var(--primary);opacity:.8}
.post-body{padding:1.3rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.post-meta{display:flex;gap:.6rem;align-items:center;color:var(--muted-2);font-size:.8rem}
.post-tag{font-family:var(--font-head);font-weight:600;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--primary);padding:.25em .7em;border-radius:var(--r-pill);background:var(--grad-soft);border:1px solid var(--border-2)}
:root[lang="ar"] .post-tag{letter-spacing:0}
.post-body h3{font-size:1.15rem}
.post-body p{color:var(--muted);font-size:.92rem;flex:1}
.post-readmore{color:var(--primary);font-weight:600;font-size:.9rem;display:inline-flex;gap:.4em;align-items:center}
.soon-banner{padding:clamp(1.6rem,4vw,2.4rem);text-align:center;margin-bottom:clamp(2rem,4vw,3rem)}
.soon-banner .pill{display:inline-block;font-family:var(--font-head);font-weight:600;font-size:.78rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--primary);padding:.4em 1em;border-radius:var(--r-pill);
  background:var(--grad-soft);border:1px solid var(--border-2);margin-bottom:1rem}
:root[lang="ar"] .soon-banner .pill{letter-spacing:0}
@media (max-width:880px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.post-grid{grid-template-columns:1fr}}

/* text wordmark logo */
.wordmark{font-family:var(--font-head);font-weight:700;font-size:1.4rem;letter-spacing:-.01em;line-height:1}
:root[lang="ar"] .wordmark{letter-spacing:0}
.wm-int{color:var(--primary)}
.wm-tech{color:var(--accent)}

/* compact nav CTA button (matches menu item height) */
.btn-nav{min-height:40px;padding:.5em 1.05em;font-size:.92rem}

/* case studies */
.cs-filters{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;margin-bottom:clamp(1.8rem,4vw,2.6rem)}
.cs-tab{display:inline-flex;align-items:center;gap:.5em;padding:.55em 1.1em;border-radius:var(--r-pill);
  border:1px solid var(--border);background:var(--surface);color:var(--muted);
  font-family:var(--font-head);font-weight:600;font-size:.9rem;min-height:42px;transition:.2s}
.cs-tab:hover{border-color:var(--border-2);color:var(--text)}
.cs-tab[aria-selected="true"]{background:var(--grad);color:#03121a;border-color:transparent;box-shadow:var(--glow)}
:root[data-theme="light"] .cs-tab[aria-selected="true"]{color:#fff}
.cs-card{padding:clamp(1.3rem,2.4vw,1.85rem);display:flex;flex-direction:column;gap:.6rem;
  transition:transform .25s var(--ease),border-color .25s,opacity .3s}
.cs-card:hover{transform:translateY(-6px);border-color:var(--border-2)}
.cs-card .tag{align-self:flex-start;font-family:var(--font-head);font-weight:600;font-size:.68rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--primary);
  padding:.3em .8em;border-radius:var(--r-pill);background:var(--grad-soft);border:1px solid var(--border-2)}
:root[lang="ar"] .cs-card .tag{letter-spacing:0}
.cs-card .kpi{font-family:var(--font-head);font-weight:700;font-size:clamp(1.7rem,3.2vw,2.2rem);line-height:1.05;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cs-card .kl{color:var(--muted-2);font-size:.78rem;margin-top:-.4rem}
.cs-card h3{font-size:1.1rem}
.cs-card p{color:var(--muted);font-size:.92rem;flex:1}
a.cs-card{text-decoration:none;color:inherit}
a.cs-card::before{content:"";position:absolute;inset:0;border-radius:inherit} /* full-card click target */
a.cs-card{cursor:pointer}

/* nav dropdown */
.nav-dd{position:relative}
.nav-dd-toggle{display:inline-flex;align-items:center;gap:.35em;padding:.55rem .85rem;border-radius:var(--r-sm);
  color:var(--muted);font-size:.95rem;font-weight:500;font-family:var(--font-body);transition:color .2s,background .2s}
.nav-dd-toggle svg{width:1em;height:1em;transition:transform .2s}
.nav-dd-toggle:hover,.nav-dd.active .nav-dd-toggle{color:var(--text);background:var(--surface)}
.nav-dd-menu{position:absolute;inset-block-start:calc(100% + 6px);inset-inline-start:0;min-width:260px;
  background:var(--nav-bg);border:1px solid var(--border);border-radius:var(--r-md);padding:.4rem;
  box-shadow:var(--shadow);backdrop-filter:blur(16px);z-index:120;display:none;flex-direction:column;gap:2px}
.nav-dd:hover .nav-dd-menu,.nav-dd.open .nav-dd-menu,.nav-dd:focus-within .nav-dd-menu{display:flex}
.nav-dd:hover .nav-dd-toggle svg,.nav-dd.open .nav-dd-toggle svg{transform:rotate(180deg)}
.nav-dd-menu a{padding:.6rem .8rem;border-radius:var(--r-sm);color:var(--muted);font-size:.9rem;white-space:nowrap;transition:color .2s,background .2s}
.nav-dd-menu a:first-child{color:var(--text);font-weight:600;border-block-end:1px solid var(--border);border-radius:0;margin-block-end:2px;padding-block-end:.7rem}
.nav-dd-menu a:hover{color:var(--primary);background:var(--surface)}

/* partners */
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1rem,2.2vw,1.5rem)}
.partner{padding:1.8rem 1.2rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.35rem;
  text-align:center;text-decoration:none;color:inherit;transition:transform .25s var(--ease),border-color .25s}
.partner:hover{transform:translateY(-6px);border-color:var(--primary)}
.partner .pname{font-family:var(--font-head);font-weight:700;font-size:1.3rem}
.partner .pname .a{color:var(--primary)}.partner .pname .b{color:var(--accent)}
.partner .pdom{color:var(--muted-2);font-size:.82rem}
.partner .pvisit{margin-top:.3rem;color:var(--primary);font-size:.78rem;font-weight:600;display:inline-flex;gap:.3em;align-items:center;opacity:.55;transition:opacity .2s}
.partner:hover .pvisit{opacity:1}
@media (max-width:760px){.partner-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:420px){.partner-grid{grid-template-columns:1fr}}

/* case-study report pages */
.case-kpi{font-family:var(--font-head);font-weight:700;font-size:clamp(2.4rem,6vw,3.6rem);line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.case-kpi-l{color:var(--muted);font-size:.95rem;margin-top:.3rem}
.report-tag{display:inline-block;font-family:var(--font-head);font-weight:600;font-size:.72rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--primary);padding:.3em .9em;border-radius:var(--r-pill);
  background:var(--grad-soft);border:1px solid var(--border-2);margin-bottom:1rem}
:root[lang="ar"] .report-tag{letter-spacing:0}
.report-body{max-width:820px;margin-inline:auto}
.report-body h2{font-size:clamp(1.5rem,3.2vw,2.1rem);margin-block:0 .7rem}
.report-body .lead{font-size:clamp(1.05rem,2.2vw,1.25rem);color:var(--text)}
.report-block{margin-block:clamp(1.6rem,3.5vw,2.6rem)}
.report-block p{color:var(--muted)}

/* values / about */
.value{padding:clamp(1.3rem,2.6vw,1.8rem)}
.value .ico{width:50px;height:50px;border-radius:var(--r-md);display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid var(--border-2);color:var(--primary);margin-bottom:1rem}
.value .ico svg{width:24px;height:24px}
.value h3{font-size:1.1rem;margin-bottom:.4rem}.value p{color:var(--muted);font-size:.93rem}