@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800;900&display=swap');

:root{
  --blue:#1e4f9d;
  --blue-2:#0c3472;
  --accent:#58a6ff;
  --bg:#f7f9fd;
  --surface:#ffffff;
  --surface-2:#eef4ff;
  --text:#1f252b;
  --muted:#657180;
  --border:rgba(30,79,157,.13);
  --shadow:0 22px 55px rgba(19,47,89,.14);
  --radius:26px;
}

html[data-theme='dark']{
  --bg:#07111f;
  --surface:#0d1b2d;
  --surface-2:#102b51;
  --text:#f5f8ff;
  --muted:#b8c5d6;
  --border:rgba(255,255,255,.1);
  --shadow:0 24px 70px rgba(0,0,0,.38);
}

*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:'Cairo',sans-serif;direction:rtl;background:var(--bg);color:var(--text);line-height:1.75} a{text-decoration:none;color:inherit} img{max-width:100%;display:block}.container{width:min(1160px,92%);margin:auto}.section{padding:85px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:32px}.section-head h2{font-size:clamp(30px,4vw,48px);margin:0;line-height:1.2}.section-head p{color:var(--muted);max-width:570px;margin:10px 0 0}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--blue);font-weight:900;margin-bottom:10px}.eyebrow:before{content:'';width:34px;height:4px;border-radius:20px;background:var(--blue)}

.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.nav-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:12px;font-weight:900}.brand img{width:58px;height:58px;border-radius:16px;object-fit:cover}.brand strong{font-size:22px}.brand span{display:block;font-size:12px;color:var(--muted);margin-top:-5px}.links{display:flex;align-items:center;gap:18px;font-weight:800;color:var(--muted)}.links a.active,.links a:hover{color:var(--blue)}.theme-btn{border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:999px;padding:10px 14px;font-family:inherit;font-weight:800;cursor:pointer}.menu-btn{display:none}

.hero{position:relative;overflow:hidden;min-height:calc(100vh - 82px);display:grid;align-items:center;padding:60px 0}.hero:before{content:'';position:absolute;inset:-20%;background:radial-gradient(circle at 80% 20%,rgba(30,79,157,.28),transparent 32%),radial-gradient(circle at 15% 70%,rgba(88,166,255,.18),transparent 30%);pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:center}.hero h1{font-size:clamp(40px,6.5vw,82px);line-height:1.05;margin:10px 0 20px;font-weight:900;letter-spacing:-2px}.hero h1 span{color:var(--blue)}.hero p{font-size:19px;color:var(--muted);max-width:640px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 22px;font-weight:900;border:1px solid var(--border);transition:.25s}.btn.primary{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:white;box-shadow:0 14px 30px rgba(30,79,157,.28)}.btn.secondary{background:var(--surface);color:var(--text)}.btn:hover{transform:translateY(-3px)}.hero-card{position:relative;background:linear-gradient(145deg,var(--surface),var(--surface-2));border:1px solid var(--border);border-radius:38px;padding:24px;box-shadow:var(--shadow)}.hero-visual{min-height:480px;border-radius:30px;background:linear-gradient(rgba(10,31,61,.14),rgba(10,31,61,.55)),url('images/hero-interior.jpg') center/cover;position:relative;overflow:hidden}.hero-logo{position:absolute;top:22px;right:22px;width:120px;border-radius:28px;background:white;padding:10px;box-shadow:var(--shadow)}.stats{position:absolute;left:20px;bottom:20px;right:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat{background:rgba(255,255,255,.92);color:#17212b;border-radius:20px;padding:14px;text-align:center}.stat strong{display:block;color:var(--blue);font-size:28px}.hero-badge{display:inline-flex;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:999px;padding:9px 15px;font-weight:900;color:var(--blue)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-card,.project-card,.render-card,.video-card,.info-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.service-card{padding:28px}.service-card b{font-size:42px;color:var(--blue)}.service-card h3,.project-card h3,.render-card h3,.video-card h3{margin:8px 0;font-size:22px}.service-card p,.project-card p,.video-card small{color:var(--muted)}
.project-grid,.render-grid,.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.project-card img,.render-card img{height:250px;width:100%;object-fit:cover}.project-content{padding:20px}.project-content span{color:var(--blue);font-weight:900}.project-content small{color:var(--muted);font-weight:800}.render-card h3{padding:18px}.video-card{padding:0;min-height:250px;background:linear-gradient(145deg,var(--surface),var(--surface-2))}.video-card p,.video-card h3,.video-card small{display:block;margin-right:22px;margin-left:22px}.video-card small{padding-bottom:24px}.video-thumb{height:185px;background:center/cover;border-radius:var(--radius) var(--radius) 0 0;display:grid;place-items:center;position:relative;overflow:hidden}.video-thumb:before{content:'';position:absolute;inset:0;background:linear-gradient(rgba(5,14,27,.18),rgba(5,14,27,.58))}.video-thumb .play-circle{position:relative}.play-circle{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-size:28px;box-shadow:0 16px 34px rgba(30,79,157,.28)}.video-card p{font-weight:900;color:var(--blue)}

.page-hero{padding:82px 0;background:linear-gradient(135deg,var(--surface-2),var(--bg));border-bottom:1px solid var(--border)}.page-hero h1{font-size:clamp(36px,5vw,62px);margin:0}.page-hero p{color:var(--muted);max-width:760px}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.engineer-hero{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.engineer-photo{min-height:520px;border-radius:38px;background:linear-gradient(rgba(30,79,157,.16),rgba(30,79,157,.5)),url('images/engineer-portrait.jpg') center/cover;box-shadow:var(--shadow);position:relative;overflow:hidden}.engineer-photo:after{content:'المهندس محمد أبو الفتوح | مؤسس GO UP';position:absolute;right:20px;bottom:20px;left:20px;background:rgba(255,255,255,.92);color:#17212b;border-radius:20px;padding:14px;font-weight:900}.feature-list{display:grid;gap:12px}.feature-list div{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:15px;font-weight:800}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.form{display:grid;gap:12px}.form input,.form textarea,.form select{width:100%;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:16px;padding:14px;font-family:inherit}.form textarea{min-height:130px}.footer{padding:45px 0;background:var(--surface);border-top:1px solid var(--border);color:var(--muted)}.footer-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.floating{position:fixed;left:18px;bottom:18px;z-index:60;display:grid;gap:12px}.float-btn{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:white;font-size:24px;box-shadow:0 15px 35px rgba(0,0,0,.22);transition:.25s}.float-btn:hover{transform:scale(1.08)}.whatsapp{background:#25d366}.call{background:var(--blue)}

@media(max-width:950px){.links{position:fixed;top:82px;right:0;left:0;background:var(--surface);padding:20px;display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow);border-bottom:1px solid var(--border)}.nav-inner{height:auto;min-height:82px;align-items:flex-start;padding:12px 0;flex-wrap:wrap}.hero-grid,.about-grid,.engineer-hero,.contact-grid{grid-template-columns:1fr}.cards,.project-grid,.render-grid,.video-grid{grid-template-columns:1fr 1fr}.hero{min-height:auto}.hero-visual{min-height:390px}.section-head{display:block}}
@media(max-width:620px){.links{font-size:13px;gap:10px}.brand strong{font-size:18px}.brand img{width:48px;height:48px}.cards,.project-grid,.render-grid,.video-grid{grid-template-columns:1fr}.hero-actions{display:grid}.stats{grid-template-columns:1fr;position:static;margin:18px}.hero-logo{width:92px}.hero-card{padding:12px}.hero h1{letter-spacing:-1px}.section{padding:55px 0}.floating{left:12px;bottom:12px}.float-btn{width:50px;height:50px}.engineer-photo{min-height:390px}}

/* Final delivery sections */
.image-strip{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch;margin-top:26px}.image-strip img{width:100%;height:360px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}.image-strip .info-box{padding:28px}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.process-card{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:22px;box-shadow:var(--shadow)}.process-card strong{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--blue);color:#fff;margin-bottom:10px}.split-showcase{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:center}.split-showcase img{height:440px;width:100%;object-fit:cover;border-radius:34px;box-shadow:var(--shadow);border:1px solid var(--border)}.mini-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.mini-gallery img{height:180px;width:100%;object-fit:cover;border-radius:22px;border:1px solid var(--border);box-shadow:var(--shadow)}
@media(max-width:950px){.image-strip,.split-showcase{grid-template-columns:1fr}.process-grid{grid-template-columns:1fr 1fr}.mini-gallery{grid-template-columns:1fr 1fr}.image-strip img,.split-showcase img{height:320px}}
@media(max-width:620px){.process-grid,.mini-gallery{grid-template-columns:1fr}.mini-gallery img{height:220px}}

.hero-points{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.hero-points span{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:8px 13px;font-weight:900;color:var(--blue);box-shadow:var(--shadow)}
.logos-section{padding-top:55px;padding-bottom:55px;background:linear-gradient(135deg,var(--surface),var(--surface-2));border-top:1px solid var(--border);border-bottom:1px solid var(--border);overflow:hidden}.logo-marquee{overflow:hidden;border:1px solid var(--border);border-radius:28px;background:var(--surface);box-shadow:var(--shadow);padding:18px}.logo-track{display:flex;gap:16px;width:max-content;animation:marquee 28s linear infinite}.logo-marquee:hover .logo-track{animation-play-state:paused}.client-logo{min-width:190px;height:104px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--border);border-radius:20px;padding:12px;text-align:center}.client-logo img{max-height:54px;max-width:145px;object-fit:contain}.client-logo span{font-size:12px;font-weight:900;color:var(--muted);margin-top:4px}@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(50%)}}
.thumb-row{display:flex;gap:8px;margin-top:14px}.thumb-row img{width:58px!important;height:50px!important;border-radius:12px;object-fit:cover;border:1px solid var(--border)}
.admin-link{opacity:.55;font-size:12px}.admin-link:hover{opacity:1}
@media(max-width:620px){.client-logo{min-width:150px}.hero-points{display:grid}.logo-track{animation-duration:20s}}