/* ============ Design tokens (dark = default) ============ */
:root{
  --bg: #0a0a0a;
  --bg-alt: #121212;
  --surface: #171717;
  --surface-hi: #1f1f1f;
  --border: #2a2a2a;
  --text: #f5f5f5;
  --text-dim: #a3a3a3;
  --text-faint: #6b6b6b;
  --accent: #4f9dff;
  --accent-2: #7c5cff;
  --accent-grad: linear-gradient(120deg, var(--accent), var(--accent-2));
  --radius: 14px;
  --maxw: 1180px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6);
  --logo-filter: none;
  --header-bg: rgba(10,10,10,.75);
  --success-text: #a8f0c6;
  --error-text: #ffb3b3;
  --info-text: #bcd8ff;
}

/* Light theme: system preference (unless user forced dark) ... */
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg: #ffffff;
    --bg-alt: #f5f6f8;
    --surface: #ffffff;
    --surface-hi: #f1f2f5;
    --border: #e3e5e9;
    --text: #14161a;
    --text-dim: #565b66;
    --text-faint: #8b8f99;
    --shadow: 0 20px 60px -20px rgba(20,22,26,.16);
    --logo-filter: invert(1);
    --header-bg: rgba(255,255,255,.75);
    --success-text: #1a7a4c;
    --error-text: #c22e2e;
    --info-text: #1a56b3;
  }
}
/* ...or explicit user choice, which always wins */
:root[data-theme="light"]{
  --bg: #ffffff;
  --bg-alt: #f5f6f8;
  --surface: #ffffff;
  --surface-hi: #f1f2f5;
  --border: #e3e5e9;
  --text: #14161a;
  --text-dim: #565b66;
  --text-faint: #8b8f99;
  --shadow: 0 20px 60px -20px rgba(20,22,26,.16);
  --logo-filter: invert(1);
  --header-bg: rgba(255,255,255,.75);
  --success-text: #1a7a4c;
  --error-text: #c22e2e;
  --info-text: #1a56b3;
}
:root[data-theme="dark"]{
  --bg: #0a0a0a;
  --bg-alt: #121212;
  --surface: #171717;
  --surface-hi: #1f1f1f;
  --border: #2a2a2a;
  --text: #f5f5f5;
  --text-dim: #a3a3a3;
  --text-faint: #6b6b6b;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6);
  --logo-filter: none;
  --header-bg: rgba(10,10,10,.75);
  --success-text: #a8f0c6;
  --error-text: #ffb3b3;
  --info-text: #bcd8ff;
}

/* Zones that always render on a dark "chrome" regardless of site theme
   (hero, page banners, CTA bands, browser/window mockups) — keeps the
   astronaut illustration and mockups legible in both themes. */
.hero, .page-hero, .cta-band, .mock-window, .project-thumb{
  --bg: #0a0a0a;
  --bg-alt: #121212;
  --surface: #171717;
  --surface-hi: #1f1f1f;
  --border: #2a2a2a;
  --text: #f5f5f5;
  --text-dim: #a3a3a3;
  --text-faint: #6b6b6b;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6);
  color: var(--text);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  transition: background-color .2s ease, color .2s ease;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.15;font-weight:700;letter-spacing:-0.02em;}
p{margin:0 0 1em;color:var(--text-dim);}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:96px 0;}
.section-tight{padding:64px 0;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-grad);border-radius:2px;}

.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(28px,4vw,40px);}
.section-head p{font-size:17px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent-grad);color:#fff;box-shadow:0 10px 30px -8px rgba(79,157,255,.55);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -8px rgba(79,157,255,.7);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-block{width:100%;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--header-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;}

.theme-toggle-btn{
  width:38px;height:38px;flex:none;border-radius:999px;border:1px solid var(--border);
  background:transparent;color:var(--text-dim);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .2s,color .2s;padding:0;
}
.theme-toggle-btn:hover{border-color:var(--accent);color:var(--accent);}
.theme-toggle-btn svg{width:18px;height:18px;}

.lang-select{
  appearance:none;-webkit-appearance:none;background:transparent;
  border:1px solid var(--border);border-radius:999px;color:var(--text-dim);
  font-size:13px;font-weight:600;padding:9px 28px 9px 14px;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%23a3a3a3' stroke-width='1.6'%3E%3Cpath d='M5 8l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 8px center;background-size:14px;
}
.lang-select:hover{border-color:var(--accent);color:var(--accent);}
.nav-links-lang{display:none;}
.brand-logo{height:34px;width:auto;}
.brand-logo-img{height:30px;width:auto;display:block;max-width:none;filter:var(--logo-filter);}
.footer-brand .brand-logo-img{height:34px;max-width:none;}
.brand-tag{display:none;}

.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{font-size:15px;font-weight:500;color:var(--text-dim);transition:color .2s;}
.nav-links a:hover,.nav-links a.active{color:var(--text);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:26px;cursor:pointer;}

@media (max-width:900px){
  .nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;column-gap:8px;}
  .brand{grid-column:2;justify-self:center;}
  .nav-cta{grid-column:3;justify-self:end;}
  .brand-logo-img{height:40px;}
  .nav-links{
    position:fixed;inset:64px 16px auto 16px;
    background:var(--surface);border:1px solid var(--border);border-radius:16px;
    flex-direction:column;align-items:flex-start;gap:0;padding:8px;
    box-shadow:var(--shadow);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:all .25s ease;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-links a{padding:14px 12px;width:100%;border-radius:10px;}
  .nav-links a:hover{background:var(--surface-hi);}
  .nav-toggle{display:block;}
  .nav-cta{gap:8px;}
  .nav-cta .lang-select{display:none;}
  .nav-links-lang{display:block;width:100%;padding:6px 12px 12px;border-bottom:1px solid var(--border);margin-bottom:6px;}
  .lang-select-mobile{width:100%;padding:11px 28px 11px 14px;font-size:14px;text-align:left;}
  .nav-cta .btn-ghost:not(.login-link){display:none;}
  .nav-cta .login-link{padding:8px 14px;font-size:13.5px;}
}

/* ============ Hero ============ */
.hero{
  position:relative;padding:120px 0 100px;overflow:hidden;
  background:
    radial-gradient(60% 60% at 15% 10%, rgba(79,157,255,.18), transparent 60%),
    radial-gradient(50% 50% at 90% 20%, rgba(124,92,255,.15), transparent 60%);
  background-color:var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;}
.hero h1{font-size:clamp(36px,5.4vw,58px);}
.hero h1 span{background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{font-size:18px;max-width:520px;}
.hero-actions{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:36px;margin-top:56px;flex-wrap:wrap;}
.hero-stat b{display:block;font-size:28px;color:#fff;}
.hero-stat span{font-size:13px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;}

.hero-visual{position:relative;}
.mock-window{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  overflow:hidden;box-shadow:var(--shadow);
}
.mock-bar{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid var(--border);}
.mock-bar span{width:10px;height:10px;border-radius:50%;background:#3a3a3a;}
.mock-body{padding:26px;display:flex;flex-direction:column;gap:14px;}
.mock-line{height:12px;border-radius:6px;background:var(--surface-hi);}
.mock-line.w60{width:60%;}
.mock-line.w40{width:40%;}
.mock-line.w80{width:80%;}
.mock-card{height:70px;border-radius:10px;background:var(--accent-grad);opacity:.85;margin-top:6px;}
.mock-float{
  position:absolute;background:var(--surface);border:1px solid var(--border);
  border-radius:12px;padding:14px 18px;box-shadow:var(--shadow);font-size:13px;font-weight:600;
}
.mock-float.f1{top:-18px;right:-18px;}
.mock-float.f2{bottom:-20px;left:-24px;color:var(--accent);}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
}

/* ============ Logo strip ============ */
.logo-strip{padding:48px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-alt);}
.logo-strip .container{display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between;}
.logo-strip p{margin:0;color:var(--text-faint);font-size:13px;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;}
.logo-strip .tickers{display:flex;gap:36px;flex-wrap:wrap;}
.logo-strip .tickers span{color:var(--text-dim);font-weight:600;font-size:15px;}

/* ============ Cards / grids ============ */
.grid{display:grid;gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:900px){.grid-3,.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:#3a3a3a;box-shadow:var(--shadow);}
.card-icon{
  width:48px;height:48px;border-radius:12px;background:var(--accent-grad);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:22px;
}
.card h3{font-size:19px;}
.card p{margin-bottom:0;font-size:15px;}

/* ============ Portfolio ============ */
.project-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
}
.project-thumb{
  height:190px;position:relative;display:flex;align-items:center;justify-content:center;
  padding:24px;
}
.project-thumb .mock-window{width:100%;}
.project-body{padding:26px;display:flex;flex-direction:column;flex:1;}
.project-tag{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);font-weight:700;margin-bottom:10px;}
.project-body h3{font-size:20px;}
.project-body p{font-size:14.5px;flex:1;}
.project-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--text);font-size:14px;margin-top:10px;}
.project-link:hover{color:var(--accent);}

.thumb-1{background:linear-gradient(135deg,#1c2b4a,#0a0a0a);}
.thumb-2{background:linear-gradient(135deg,#2a1c4a,#0a0a0a);}
.thumb-3{background:linear-gradient(135deg,#1c4a33,#0a0a0a);}

/* ============ Process ============ */
.process{counter-reset:step;}
.process-item{
  display:flex;gap:22px;padding:28px 0;border-bottom:1px solid var(--border);
}
.process-item:last-child{border-bottom:none;}
.process-num{
  counter-increment:step;flex:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--accent);
}
.process-num::before{content:counter(step, decimal-leading-zero);}
.process-text h3{font-size:18px;margin-bottom:6px;}
.process-text p{margin:0;font-size:15px;}

/* ============ Stats band ============ */
.stats-band{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stats-grid b{display:block;font-size:34px;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stats-grid span{color:var(--text-faint);font-size:13px;text-transform:uppercase;letter-spacing:.06em;}
@media (max-width:700px){.stats-grid{grid-template-columns:repeat(2,1fr);}}

/* ============ CTA band ============ */
.cta-band{
  background:radial-gradient(60% 100% at 50% 0%, rgba(79,157,255,.18), transparent 70%), var(--surface);
  border:1px solid var(--border);border-radius:24px;padding:64px;text-align:center;
  margin:0 24px;
}
.cta-band h2{font-size:clamp(26px,3.4vw,36px);}
.cta-band p{max-width:520px;margin:0 auto 28px;}

/* ============ Values / about ============ */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;}
@media (max-width:900px){.about-grid{grid-template-columns:1fr;}}
.value-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--border);}
.value-list li:last-child{border-bottom:none;}
.value-list b{display:block;color:var(--text);}
.value-list p{margin:2px 0 0;font-size:14.5px;}
.check{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--accent-grad);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:#fff;
}

/* ============ Contact ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}}
.contact-info-item{display:flex;gap:16px;margin-bottom:26px;}
.contact-info-item .card-icon{margin-bottom:0;width:44px;height:44px;font-size:18px;}
.contact-info-item h4{margin:0 0 4px;font-size:15px;}
.contact-info-item p{margin:0;font-size:14.5px;}

form.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:520px){.form-row{grid-template-columns:1fr;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--text-dim);}
.field input,.field textarea,.field select{
  width:100%;background:var(--bg-alt);border:1px solid var(--border);border-radius:10px;
  padding:13px 14px;color:var(--text);font-family:inherit;font-size:14.5px;transition:border-color .2s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);}
.field textarea{resize:vertical;min-height:120px;}
.form-note{font-size:13px;color:var(--text-faint);margin-top:14px;text-align:center;}
.form-success{display:none;background:rgba(79,157,255,.12);border:1px solid var(--accent);color:var(--text);padding:14px 16px;border-radius:10px;margin-bottom:18px;font-size:14px;}
.form-success.show{display:block;}

/* ============ Footer ============ */
.site-footer{border-top:1px solid var(--border);padding:64px 0 32px;background:var(--bg-alt);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:48px;}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h4{font-size:14px;color:var(--text);margin-bottom:18px;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid ul li a{color:var(--text-dim);font-size:14.5px;}
.footer-grid ul li a:hover{color:var(--accent);}
.footer-brand p{max-width:280px;font-size:14.5px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;transition:border-color .2s,color .2s;
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);}
.legal-info{
  border-top:1px solid var(--border);padding-top:20px;margin-top:0;
  font-size:12px;color:var(--text-faint);text-align:center;letter-spacing:.01em;
}
.footer-bottom{
  padding-top:16px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-size:13.5px;color:var(--text-faint);
}

/* ============ Page hero (inner pages) ============ */
.page-hero{padding:80px 0 60px;text-align:center;background:linear-gradient(180deg,rgba(79,157,255,.08),transparent);background-color:var(--bg);}
.page-hero h1{font-size:clamp(32px,4.6vw,48px);}
.page-hero p{max-width:600px;margin:0 auto;font-size:17px;}
.breadcrumb{font-size:13px;color:var(--text-faint);margin-bottom:18px;}
.breadcrumb a{color:var(--accent);}

/* ============ Founder avatars ============ */
.founder-avatar{
  width:88px;height:88px;border-radius:50%;margin:0 auto 18px;
  background:var(--accent-grad);display:flex;align-items:center;justify-content:center;
  font-size:28px;font-weight:700;color:#fff;letter-spacing:.02em;
  box-shadow:0 10px 30px -8px rgba(79,157,255,.45);
}

/* ============ Illustrations ============ */
.space-illustration{width:100%;height:auto;display:block;}
.float-anim{animation:floaty 6s ease-in-out infinite;}
.float-anim-slow{animation:floaty 8s ease-in-out infinite;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
.twinkle{animation:twinkle 3s ease-in-out infinite;}
@keyframes twinkle{0%,100%{opacity:.25;}50%{opacity:1;}}
@media (prefers-reduced-motion: reduce){
  .float-anim,.float-anim-slow,.twinkle{animation:none;}
}

.corp-value{color:var(--text);font-weight:600;margin:0;}

/* ============ Utility ============ */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ============ RTL (Arabic) ============ */
[dir="rtl"] .eyebrow::before{margin-right:0;margin-left:8px;}
[dir="rtl"] .space-illustration{right:auto !important;left:6px !important;}
[dir="rtl"] .mock-float.f1{right:auto;left:-18px;}
[dir="rtl"] .mock-float.f2{left:auto;right:-24px;}
[dir="rtl"] .check{margin-left:0;}
[dir="rtl"] .value-list li,[dir="rtl"] .process-item,[dir="rtl"] .contact-info-item,[dir="rtl"] .footer-social{direction:rtl;}
[dir="rtl"] .lang-select,[dir="rtl"] .lang-select-mobile{background-position:left 8px center;padding:9px 14px 9px 28px;}
[dir="rtl"] .card-icon,[dir="rtl"] .founder-avatar{margin-left:0;}