/* ShelliCon Digital (IT) — Premium Theme */
:root {
  --bg-start: #0b0f19;
  --bg-end: #0f172a;
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --primary: #8b5cf6; /* purple */
  --secondary: #06b6d4; /* cyan */
  --accent: #f59e0b; /* amber */
  --text: #e5e7eb;
  --muted: #9aa0aa;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px circle at 20% -10%, rgba(139,92,246,0.15), transparent 40%),
              radial-gradient(1200px circle at 80% 110%, rgba(6,182,212,0.12), transparent 42%),
              linear-gradient(135deg, var(--bg-start), var(--bg-end));
  background-attachment: fixed;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(140%) blur(14px);
  background: rgba(2,6,23,0.6); border-bottom: 1px solid var(--glass-border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: 0.3px; }
.brand-logo { width: 36px; height: 36px; border-radius: 10px; background: none; box-shadow: 0 8px 24px rgba(139,92,246,0.35); object-fit: contain; display: block; }
.brand-name { font-size: 18px; color: #fff; }
/* Brand highlight: make “Shelli” accent-colored across IT pages */
.brand-name .shelli { color: var(--accent); }

.menu { display: flex; gap: 16px; }
.menu a { color: var(--text); text-decoration: none; font-size: 14px; padding: 10px 14px; border-radius: 12px; transition: all .25s ease; }
.menu a:hover { color: #fff; background: var(--glass-bg); border: 1px solid var(--glass-border); transform: translateY(-1px); }
.cta { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff !important; box-shadow: 0 10px 24px rgba(6,182,212,0.3); }
.cta:hover { transform: translateY(-2px) scale(1.02); }

.mobile-toggle { display: none; border: 1px solid var(--glass-border); background: var(--glass-bg); color: var(--text); padding: 8px 12px; border-radius: 10px; }
.mobile-menu { display: none; padding: 12px; background: rgba(2,6,23,0.7); border-bottom: 1px solid var(--glass-border); }
.mobile-menu a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--text); text-decoration: none; }
.mobile-menu a:hover { background: var(--glass-bg); }

@media (max-width: 860px) {
  .menu { display: none; }
  .mobile-toggle { display: inline-block; }
}

/* Hero */
.hero { padding: 96px 0 48px; text-align: center; }
.eyebrow { color: var(--secondary); font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase; font-size: 13px; }
.hero h1 { font-size: clamp(36px, 6vw, 64px); margin: 16px 0; line-height: 1.1; }
.hero p { max-width: 780px; margin: 0 auto 28px; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; margin-top: 18px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--glass-border); background: var(--glass-bg); color: var(--text); text-decoration: none; transition: all .25s ease; }
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.3); }
.btn.primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); border-color: transparent; color: #fff; box-shadow: 0 8px 24px rgba(139,92,246,0.35); }

/* Sections */
.section { padding: 48px 0; }
.section-header { text-align: center; margin-bottom: 28px; }
.section-header h2 { font-size: 28px; margin: 0; }
.section-header p { color: var(--muted); max-width: 700px; margin: 10px auto 0; font-size: 15px; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 960px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }
.card { border-radius: 16px; padding: 18px; background: var(--glass-bg); border: 1px solid var(--glass-border); box-shadow: 0 12px 32px rgba(0,0,0,0.25); }
.card h3 { margin: 8px 0 6px; font-size: 18px; }
.card p { color: var(--muted); font-size: 14px; }
.badge { display: inline-block; padding: 6px 10px; border-radius: 999px; background: rgba(139,92,246,0.15); color: var(--primary); border: 1px solid rgba(139,92,246,0.3); font-size: 12px; }
.badge.success { background: rgba(34,197,94,0.15); color: #22c55e; border-color: rgba(34,197,94,0.3); }
.badge.warning { background: rgba(245,158,11,0.15); color: #f59e0b; border-color: rgba(245,158,11,0.3); }

/* Footer */
.footer { padding: 28px 0; margin-top: 28px; border-top: 1px solid var(--glass-border); color: var(--muted); font-size: 13px; }
.footer a { color: var(--text); text-decoration: none; }
.footer a:hover { color: #fff; }

/* Toast (notifications) */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(12px);
  background: rgba(2,6,23,0.75);
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.toast.success { border-color: rgba(34,197,94,0.35); }
.toast.error { border-color: rgba(239,68,68,0.35); }

/* Marquee Announcement (professional ticker) */
.marquee {
  position: relative;
  overflow: hidden;
  --marquee-bg: rgba(2, 6, 23, 0.85);
  --marquee-speed: 45s;
  background: var(--marquee-bg);
  color: #e5e7eb;
  border-bottom: 1px solid var(--glass-border);
  padding: 10px 0;
  font-size: 14px;
}
.marquee__inner {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  padding-left: 100%;
  letter-spacing: 0.2px;
  animation: marquee-scroll var(--marquee-speed) linear infinite;
}
.marquee:hover .marquee__inner,
.marquee:focus-within .marquee__inner { animation-play-state: paused; }
.marquee__icon { color: var(--secondary); opacity: 0.9; }
.marquee__label { color: #fff; font-weight: 600; }
.marquee__text { color: #e5e7eb; }

/* Soft edge masks to avoid abrupt text entry/exit */
.marquee::before,
.marquee::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 48px;
  pointer-events: none;
  background: linear-gradient(to right, var(--marquee-bg) 0%, rgba(2, 6, 23, 0) 100%);
}
.marquee::before { left: 0; }
.marquee::after { right: 0; transform: rotate(180deg); }

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__inner { animation: none; padding-left: 0; }
}
@media (max-width: 768px) {
  .marquee { font-size: 13px; --marquee-speed: 60s; }
}

/* Preloader Overlay */
.preloader {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  z-index: 9999;
  transition: opacity .4s ease;
}
.preloader.hidden { opacity: 0; pointer-events: none; }
.loader {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.22);
  border-top-color: var(--secondary);
  animation: spin .9s linear infinite;
}
.loader-text { color: var(--muted); font-size: 13px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Typewriter caret for text animation */
.typewriter-caret {
  display: inline-block;
  width: 1px;
  height: 1em;
  background: currentColor;
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s steps(1, end) infinite;
}
@keyframes blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }