/* Styles for Elbabs Tech site (index/about/portfolio/contact) */
:root{
  --bg:#f5f8fb;
  --card:#ffffff;
  --muted:#65707a;
  --primary:#0b63ff;
  --accent:#4f46e5;
  --radius:12px;
  --container:1100px;
  --shadow: 0 8px 26px rgba(12,20,30,0.06);
  font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, Arial;
  color-scheme: light;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:#0b1720;
  -webkit-font-smoothing:antialiased;
  line-height:1.45;
  font-size:16px;
}

/* Container */
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}

/* Header */
.site-header{
  background:linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.9));
  border-bottom:1px solid rgba(10,20,30,0.04);
  position:sticky;
  top:0;
  z-index:100;
  backdrop-filter:saturate(120%) blur(6px);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  padding:14px 0;
}
.brand{
  font-weight:700;
  font-size:1.15rem;
  color:#0b1720;
  text-decoration:none;
}
.brand .dot{ color:var(--primary); margin-left:2px; }

/* Nav */
.nav{ margin-left:auto; }
.nav-list{ list-style:none; display:flex; gap:18px; align-items:center; margin:0; padding:0; }
.nav-link{ text-decoration:none; color:var(--muted); padding:8px 6px; border-radius:8px; font-weight:500; transition:color .18s, background .18s; }
.nav-link:hover{ color:var(--primary); background:rgba(11,99,255,0.06); }
.btn-cta{ background:var(--primary); color:#fff; padding:8px 12px; border-radius:10px; }

/* Nav toggle (mobile) */
.nav-toggle{
  display:none;
  background:transparent;
  border:0;
  font-size:1.25rem;
  margin-left:10px;
}
.dark-toggle{
  display:inline-block;
  background:transparent;
  border:0;
  margin-left:10px;
  font-size:1.05rem;
}

/* HERO */
.hero{ padding:60px 0 40px; }
.hero-grid{ display:grid; grid-template-columns:1fr 420px; gap:36px; align-items:center; }
.hero-left{ max-width:680px; }
.badge{ display:inline-block; background:linear-gradient(90deg,#eef2ff,#f0f9ff); color:var(--accent); padding:6px 10px; border-radius:999px; font-weight:600; font-size:.9rem; margin-bottom:14px; }
.hero-title{ font-size:2.2rem; margin:6px 0 14px; line-height:1.06; color:#071033; }
.hero-sub{ color:var(--muted); margin-bottom:18px; }
.hero-ctas{ display:flex; gap:12px; margin-bottom:18px; }
.btn{ display:inline-block; text-decoration:none; padding:10px 14px; border-radius:10px; font-weight:600; }
.btn-primary{ background:var(--primary); color:white; }
.btn-outline{ border:1px solid rgba(11,99,255,0.12); color:var(--primary); background:#fff; }

/* Features list */
.features-list{ display:flex; gap:18px; padding:0; margin:20px 0 0; list-style:none; color:var(--muted); font-weight:600; }
.features-list li{ background:transparent }

/* Hero image */
.hero-right{ text-align:center; }
.hero-illus{ max-width:100%; height:auto; display:inline-block; transform:translateY(0); }

/* Sections */
.section{ padding:48px 0; }
.gray{ background:#f7fbff; }

/* Section title */
.section-title{ font-size:1.4rem; margin:0 0 8px; }
.section-sub{ color:var(--muted); margin:0 0 28px; }

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

/* Card */
.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease, box-shadow .22s ease;
}
.card:hover{ transform:translateY(-8px); box-shadow:0 18px 40px rgba(20,30,40,0.09); }
.card-body{ padding:18px; }
.card-title{ margin:0 0 8px; font-size:1.05rem; }
.card-text{ color:var(--muted); margin:0 0 12px; font-size:.95rem; }

/* Portfolio */
.portfolio-grid{ grid-template-columns:repeat(3, 1fr); gap:18px; }
.portfolio-item{ border-radius:10px; overflow:hidden; background:#fff; box-shadow:0 6px 18px rgba(10,20,30,0.05); text-align:left; }
.portfolio-item img{ width:100%; display:block; height:190px; object-fit:cover; }
.portfolio-item.large img{ height:380px; }

/* Testimonials */
.testimonials{ display:grid; grid-template-columns:repeat(2, 1fr); gap:18px; margin-top:18px; }
.testimonial{ background:#fff; padding:20px; border-radius:12px; box-shadow:0 8px 22px rgba(12,20,30,0.05); font-style:italic; color:var(--muted); }
.testimonial footer{ margin-top:12px; text-align:right; font-style:normal; color:#0b1720; font-weight:700; }

/* CTA */
.cta{ padding:36px 0; }
.cta-box{ display:flex; gap:20px; align-items:center; justify-content:space-between; background:linear-gradient(90deg,#0b63ff1a,#7c5cff14); padding:22px; border-radius:14px; box-shadow:0 8px 26px rgba(12,20,30,0.04); }
.cta-box h3{ margin:0; font-size:1.2rem; }
.cta-box p{ margin:0; color:var(--muted); }

/* Contact form */
.contact-form{ max-width:680px; margin:18px auto 0; display:grid; gap:12px; }
.contact-form label{ display:block; text-align:left; font-weight:600; color:#0b1720; }
.contact-form input, .contact-form textarea{ width:100%; padding:12px 14px; border-radius:10px; border:1px solid #e6eefc; background:white; font-size:1rem; }
.alert{ padding:12px; border-radius:10px; margin:12px 0; }
.alert.error{ background:#ffecec; color:#6b0707; }
.alert.success{ background:#e6ffef; color:#046b2a; }

/* Footer */
.site-footer{ padding:36px 0; background:#fff; border-top:1px solid rgba(10,20,30,0.04); margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns:1fr 160px 220px; gap:18px; align-items:start; }
.footer-col h4{ margin:0 0 8px; }
.footer-links{ list-style:none; padding:0; margin:0; color:var(--muted); }
.footer-links li{ margin-bottom:8px; }
.footer-links a{ color:var(--muted); text-decoration:none; }

.muted{ color:var(--muted); font-size:.95rem; }

/* Utilities */
@media (max-width:1000px){
  .hero-grid{ grid-template-columns:1fr 360px; }
  .grid{ grid-template-columns:repeat(2, 1fr); }
  .portfolio-grid{ grid-template-columns:repeat(2, 1fr); }
}
@media (max-width:720px){
  .header-inner{ gap:10px; }
  .nav{ display:none; position:absolute; left:0; right:0; top:64px; background:var(--card); padding:18px; box-shadow:0 10px 32px rgba(5,10,20,0.08); border-radius:10px; margin:8px; }
  .nav.open{ display:block; }
  .nav-list{ flex-direction:column; gap:12px; }
  .nav-toggle{ display:block; margin-left:auto; }
  .hero-grid{ grid-template-columns:1fr; }
  .hero-right{ order:2 }
  .features-list{ flex-direction:column; gap:8px; margin-top:12px; }
  .grid{ grid-template-columns:1fr; }
  .portfolio-grid{ grid-template-columns:1fr; }
  .testimonials{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .cta-box{ flex-direction:column; text-align:center; }
}

/* Dark mode (toggle via JS by adding .dark on body) */
body.dark{
  --bg:#061025;
  --card:#071827;
  --muted:#9fb4c8;
  --primary:#60a6ff;
  color:#e6f0ff;
}
body.dark .site-header{ background:rgba(7,24,40,0.6); border-bottom-color:rgba(255,255,255,0.03); }
body.dark .brand{ color:#eaf4ff; }
body.dark .nav-link{ color:var(--muted); }
body.dark .site-footer{ background:#071827; border-top-color:rgba(255,255,255,0.03); }