/* =========================================================
   ELIHAN I.T SOLUTIONS — Design tokens
   Concept: "signal flow" — data/connectivity lines animating
   between service nodes. Dark tech base, teal signal accent,
   warm gold used sparingly as the local (Ghana) accent.
   ========================================================= */
:root {
  --bg: #0B0E24;
  --bg-panel: #12163A;
  --bg-panel-2: #171C48;
  --line: #262c5e;
  --signal: #00E5C7;
  --signal-dim: #00a68e;
  --gold: #FFB627;
  --text: #F2F4FC;
  --text-muted: #9BA1C9;
  --text-faint: #6A6F9C;

  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 14px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.12;
}

.wrap { position: relative; z-index: 1; }

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0 0 0.5em; font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; }
p { margin: 0 0 1em; color: var(--text-muted); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { padding: 0; margin: 0; list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--signal);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--signal);
  color: #061410;
  box-shadow: 0 0 0 0 rgba(0,229,199,0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(0,229,199,0.55); }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }
.btn-gold { background: var(--gold); color: #2b1a00; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(255,182,39,0.5); }

/* ---------------- Header ---------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(11,14,36,0.7);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.site-header.scrolled { border-color: var(--line); background: rgba(11,14,36,0.92); }
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 12px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;        /* allow flex item to shrink below content width */
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  flex-shrink: 1;
}
.logo .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 12px 2px var(--signal); animation: pulse-dot 2.2s ease-in-out infinite; flex-shrink: 0; }
.logo span.gold { color: var(--gold); }
@keyframes pulse-dot { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }

.nav-links { display: flex; gap: 32px; font-size: 0.94rem; font-weight: 500; }
.nav-links a { position: relative; color: var(--text-muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--signal);
  transition: width 0.25s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;       /* never let Quote/toggle get squeezed off-screen */
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
  flex-shrink: 0;
  line-height: 1;
  padding: 4px;
}

@media (max-width: 900px) {
  .nav-links { position: fixed; top: 68px; left: 0; right: 0; background: var(--bg-panel); flex-direction: column; padding: 24px; gap: 18px; border-bottom: 1px solid var(--line); transform: translateY(-150%); opacity: 0; transition: all 0.3s ease; }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-toggle { display: block; }
  .nav-cta .btn-primary span.long { display: none; }
  .nav-cta { gap: 10px; }
  .nav-cta .btn-primary { padding: 10px 16px; font-size: 0.85rem; }
  .logo { font-size: 1.05rem; max-width: 60vw; }
}

@media (max-width: 420px) {
  .logo { font-size: 0.92rem; max-width: 52vw; gap: 6px; }
  .nav-cta { gap: 8px; }
  .nav-cta .btn-primary { padding: 9px 14px; font-size: 0.8rem; }
  .nav-toggle { font-size: 1.4rem; }
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  padding: 168px 0 120px;
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 4.6vw, 3.6rem); }
.hero h1 .accent { color: var(--signal); }
.hero p.lead { font-size: 1.08rem; max-width: 46ch; }
.hero-ctas { display: flex; gap: 16px; margin-top: 30px; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 34px; margin-top: 56px; flex-wrap: wrap; }
.stat b { font-family: var(--font-display); font-size: 1.7rem; display: block; color: var(--text); }
.stat span { font-size: 0.82rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em; }

/* Signal-flow SVG signature element */
.signal-scene { position: relative; width: 100%; aspect-ratio: 1/1; max-width: 480px; margin: 0 auto; }
.signal-scene svg { width: 100%; height: 100%; overflow: visible; }
.signal-line { fill: none; stroke: url(#lineGrad); stroke-width: 1.6; stroke-dasharray: 6 10; animation: dash-flow 3.5s linear infinite; opacity: 0.85; }
.signal-line.slow { animation-duration: 6s; opacity: 0.5; }
.signal-line.rev { animation-direction: reverse; animation-duration: 4.5s; }
@keyframes dash-flow { to { stroke-dashoffset: -160; } }
.node-pulse { animation: node-breathe 2.6s ease-in-out infinite; transform-origin: center; }
.node-pulse.n2 { animation-delay: 0.4s; }
.node-pulse.n3 { animation-delay: 0.8s; }
.node-pulse.n4 { animation-delay: 1.2s; }
.node-pulse.n5 { animation-delay: 1.6s; }
@keyframes node-breathe { 0%,100% { opacity: 0.7; r: 5; } 50% { opacity: 1; r: 7.5; } }

/* ---------------- Marquee (looping strip) ---------------- */
.marquee-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  overflow: hidden;
  background: var(--bg-panel);
}
.marquee-track { display: flex; width: max-content; gap: 48px; animation: marquee-scroll 28s linear infinite; }
.marquee-track span { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-faint); white-space: nowrap; display: flex; align-items: center; gap: 10px; }
.marquee-track span::before { content: '◆'; color: var(--signal); font-size: 0.6rem; }
@keyframes marquee-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------- Section shell ---------------- */
section { padding: 110px 0; position: relative; }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); }

/* reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------------- Services grid ---------------- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 22px; }
.service-card {
  background: linear-gradient(155deg, var(--bg-panel), var(--bg-panel-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.service-card:hover { transform: translateY(-6px); border-color: var(--signal-dim); }
.service-card.featured { border-color: var(--gold); background: linear-gradient(155deg, #241c0d, var(--bg-panel-2)); }
.service-card .icon-wrap {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(0,229,199,0.1); color: var(--signal);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-card.featured .icon-wrap { background: rgba(255,182,39,0.12); color: var(--gold); }
.service-card .icon-wrap svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.service-card p { font-size: 0.92rem; margin-bottom: 0; }
.service-card .tag {
  position: absolute; top: 26px; right: 24px;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em;
  color: var(--gold); text-transform: uppercase;
}

/* ---------------- Why us / process ---------------- */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-item .num { font-family: var(--font-mono); color: var(--signal); font-size: 0.9rem; padding-top: 4px; }
.why-item h4 { font-size: 1.02rem; margin-bottom: 6px; }
.why-item p { font-size: 0.9rem; margin: 0; }

/* ---------------- School system spotlight ---------------- */
.spotlight {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.spotlight::before {
  content: '';
  position: absolute; top: -80px; right: -80px; width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(0,229,199,0.18), transparent 70%);
}
.spotlight-list li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 0.95rem; color: var(--text); }
.spotlight-list li::before { content: '›'; color: var(--signal); font-family: var(--font-mono); font-weight: 700; }
.spotlight-visual {
  aspect-ratio: 4/3; border-radius: 16px; background: var(--bg-panel-2);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.spotlight-visual .badge {
  position: absolute; bottom: 18px; left: 18px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px; font-family: var(--font-mono); font-size: 0.75rem; color: var(--signal);
}

@media (max-width: 860px) {
  .spotlight { grid-template-columns: 1fr; padding: 40px 26px; }
  .hero-grid { grid-template-columns: 1fr; }
  .signal-scene { max-width: 340px; }
}

/* ---------------- Testimonials ---------------- */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.testimonial-card { background: var(--bg-panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.testimonial-card .quote-mark { color: var(--signal); font-family: var(--font-display); font-size: 2.2rem; line-height: 1; margin-bottom: 6px; display: block; }
.testimonial-card h4 { font-size: 0.95rem; margin: 16px 0 2px; }
.testimonial-card span { font-size: 0.8rem; color: var(--text-faint); }

/* ---------------- CTA band ---------------- */
.cta-band {
  background: linear-gradient(120deg, var(--bg-panel), #0d1a3a);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); max-width: 720px; margin: 0 auto 14px; }
.cta-band p { max-width: 560px; margin: 0 auto 32px; }

/* ---------------- Contact ---------------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; }
.contact-info-card { background: var(--bg-panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.contact-info-card .row { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact-info-card .row .icon-wrap { width: 38px; height: 38px; border-radius: 10px; background: rgba(0,229,199,0.1); color: var(--signal); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-card .row .icon-wrap svg { width: 18px; height: 18px; }
.contact-info-card .row b { display: block; font-size: 0.95rem; color: var(--text); }
.social-row { display: flex; gap: 10px; margin-top: 24px; }
.social-row a { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-family: var(--font-mono); transition: border-color 0.2s, color 0.2s; }
.social-row a:hover { border-color: var(--signal); color: var(--signal); }

form.contact-form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { font-size: 0.82rem; color: var(--text-faint); margin-bottom: 6px; display: block; font-family: var(--font-mono); }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; background: var(--bg-panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 13px 14px; color: var(--text); font-family: var(--font-body); font-size: 0.95rem;
  transition: border-color 0.2s;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--signal); }
.contact-form textarea { resize: vertical; min-height: 120px; }
.alert { padding: 14px 18px; border-radius: 10px; font-size: 0.9rem; margin-bottom: 20px; }
.alert-success { background: rgba(0,229,199,0.1); border: 1px solid var(--signal-dim); color: var(--signal); }
.alert-error { background: rgba(255,90,90,0.1); border: 1px solid #ff5a5a; color: #ff8b8b; }

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ---------------- Footer ---------------- */
footer.site-footer { border-top: 1px solid var(--line); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-grid h5 { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 16px; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: var(--text-muted); font-size: 0.9rem; transition: color 0.2s; }
.footer-grid a:hover { color: var(--signal); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.82rem; color: var(--text-faint); }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------------- Focus visibility ---------------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--signal); outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}