/* ShivTechPro — Global Styles (Professional Visuals + Responsive) */
/* Palette: Dark #0D0D0D, Surface #121212, Card #1A1A1A, Border #1F2937, Text #E5E7EB, Muted #9CA3AF, Blue #3B82F6, Purple #8B5CF6 */
:root {
  --bg: #0D0D0D;
  --surface: #121212;
  --card: #1A1A1A;
  --border: #1F2937;
  --text: #E5E7EB;
  --muted: #9CA3AF;
  --blue: #3B82F6;
  --purple: #8B5CF6;
  --shadow: 0 12px 36px rgba(0,0,0,0.45);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Containers & Sections */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
h1, h2, h3, h4 { margin: 0 0 12px; }

/* Links & Buttons */
a { color: var(--text); text-decoration: none; }
.btn, .btn-outline {
  display: inline-flex; align-items: center; gap: 10px; border-radius: 12px;
  padding: 12px 18px; font-weight: 700; letter-spacing: 0.2px; cursor: pointer;
}
.btn {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: white; border: 0; box-shadow: var(--shadow);
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-outline { border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--blue); }

/* Header & Navigation */
.header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(8px); background: rgba(13,13,13,0.75);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-left, .nav-right { display: flex; align-items: center; gap: 20px; }
.nav a { color: var(--muted); font-weight: 600; }
.nav a.active, .nav a:hover { color: var(--text); }
.logo { display: inline-flex; align-items: center; gap: 14px; }
.logo svg { width: 36px; height: 36px; }
.wordmark { font-weight: 800; text-transform: lowercase; letter-spacing: 0.4px; }
.domain { color: var(--muted); font-weight: 600; }

/* Mobile menu */
.menu-toggle { display: none; }
@media (max-width: 880px) {
  .menu-toggle { display: inline-flex; }
  .nav-left { position: fixed; top: 72px; right: 0; width: 100%; max-width: 320px; background: var(--surface);
    border-left: 1px solid var(--border); border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: flex-start; padding: 16px; gap: 12px;
    transform: translateX(110%); transition: transform 220ms ease;
  }
  .nav-left.open { transform: translateX(0); }
}

/* Hero with image */
.hero {
  position: relative; overflow: hidden; padding: 120px 0 80px;
  background:
    radial-gradient(1200px 400px at 10% -20%, rgba(59,130,246,0.18), transparent 60%),
    radial-gradient(900px 300px at 90% 10%, rgba(139,92,246,0.18), transparent 60%),
    linear-gradient(180deg, rgba(18,18,18,1) 0%, rgba(13,13,13,1) 100%);
  border-bottom: 1px solid var(--border);
}
.hero-grid { display: grid; gap: 28px; grid-template-columns: 1.1fr 0.9fr; align-items: center; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; } }
.hero h1 { font-size: clamp(28px, 4vw, 54px); line-height: 1.1; }
.hero p { font-size: clamp(16px, 1.4vw, 20px); color: var(--muted); max-width: 780px; }
.hero-cta { display: flex; gap: 14px; margin-top: 24px; flex-wrap: wrap; }
.hero-media {
  border-radius: 16px; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow);
}
.hero-media img { width: 100%; height: 100%; display: block; object-fit: cover; }

/* Grids & Cards */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 22px; box-shadow: var(--shadow);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.45); border-color: rgba(59,130,246,0.35); }
.card h3 { margin: 14px 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }

/* Icon + image blocks */
.icon { width: 28px; height: 28px; flex: 0 0 28px; }
.item-head { display: flex; align-items: center; gap: 10px; }
.media {
  width: 100%; aspect-ratio: 16/10; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Pricing */
.pricing { display: grid; gap: 24px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .pricing { grid-template-columns: 1fr; } }
.price-card { padding: 28px; }
.price { font-size: 32px; font-weight: 800; margin: 6px 0 16px; }
.tier { font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 1px; }
.features { display: grid; gap: 10px; margin: 16px 0 18px; }
.feature { display: flex; align-items: center; gap: 10px; color: var(--muted); }

/* Footer */
.footer { border-top: 1px solid var(--border); background: var(--surface); padding: 40px 0; color: var(--muted); }
.footer .cols { display: grid; gap: 24px; grid-template-columns: 2fr 1fr 1fr; }
@media (max-width: 900px) { .footer .cols { grid-template-columns: 1fr; } }
.footer a:hover { color: var(--text); }

/* Page-specific helpers */
.split { display: grid; gap: 24px; grid-template-columns: 1.1fr 0.9fr; align-items: start; }
@media (max-width: 980px) { .split { grid-template-columns: 1fr; } }
.stat { display: grid; place-items: center; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.stat h3 { margin: 0; font-size: 28px; }
.stat p { margin: 6px 0 0; color: var(--muted); }

/* Animations */
.fade-up { opacity: 0; transform: translateY(12px); animation: fadeUp 600ms ease forwards; }
.fade-up.delay-1 { animation-delay: 140ms; }
.fade-up.delay-2 { animation-delay: 280ms; }
.fade-up.delay-3 { animation-delay: 420ms; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

.whatsapp-btn {
  background-color: #25D366;   /* WhatsApp green */
  color: white;
  font-weight: 700;
  border-radius: 12px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37,211,102,0.4);
  transition: transform 0.2s ease, filter 0.2s ease;
}
.whatsapp-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}
.whatsapp-icon {
  width: 20px;
  height: 20px;
}

.social-link { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }
.social-link:hover { color: var(--text); }

.social-icon, .whatsapp-icon { width: 20px; height: 20px; }

.whatsapp-btn {
  background: #25D366;
  color: white;
  font-weight: 700;
  border-radius: 12px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(37,211,102,0.4);
}
.whatsapp-btn:hover { filter: brightness(1.1); transform: translateY(-2px); }

form label {
  font-weight: 600;
  margin-bottom: 6px;
  display: block;
  color: var(--text);
}
input, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 16px;
}
textarea {
  min-height: 140px;
  resize: vertical;
}
.form-row {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 20px;
}
@media (max-width: 720px) {
  .form-row { grid-template-columns: 1fr; }
}
.whatsapp-btn {
  background-color: #25D366;
  color: white;
  font-weight: 700;
  border-radius: 12px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37,211,102,0.4);
  transition: transform 0.2s ease, filter 0.2s ease;
}
.whatsapp-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}
.whatsapp-icon {
  width: 20px;
  height: 20px;
}

.error { display:block; color:#F87171; font-size:13px; min-height: 18px; margin-top:6px; }
.badge { display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border:1px dashed var(--border); border-radius:12px; color:var(--muted); }