:root {
  --primary: #0f172a;
  --secondary: #1e293b;
  --accent: #f59e0b;
  --bg: #ffffff;
  --muted: #64748b;
  --surface: #f8fafc;
  --border: #e2e8f0;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 16px 34px rgba(15, 23, 42, 0.13);
  --ease: 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Open Sans", sans-serif;
  color: var(--primary);
  background: var(--bg);
  line-height: 1.65;
}
body.page-loading {
  overflow: hidden;
}
h1, h2, h3 {
  margin-top: 0;
  line-height: 1.24;
  font-family: "Poppins", "Inter", sans-serif;
  color: var(--primary);
}
h1 { font-size: clamp(1.95rem, 4vw, 3rem); margin-bottom: 1.1rem; }
h2 { font-size: clamp(1.45rem, 2.8vw, 2.15rem); margin-bottom: 1rem; }
h3 { font-size: 1.12rem; margin-bottom: 0.6rem; }
p { color: var(--secondary); margin: 0 0 1rem; }
.lead {
  font-size: 1.06rem;
  color: var(--muted);
  max-width: 68ch;
}
.small-text { color: var(--muted); font-size: 0.9rem; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; border-radius: 12px; }

.container { width: min(1140px, 92%); margin-inline: auto; }
.section { padding: 5rem 0; }
.section-tight { padding: 3.6rem 0; }
.section-alt { background: var(--surface); }
.section-divider { border-top: 1px solid var(--border); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.085em;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--ease), background-color var(--ease), min-height var(--ease);
  backdrop-filter: blur(7px);
}
.site-header.scrolled {
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.06);
  background: rgba(255, 255, 255, 0.985);
}

.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand { display: inline-flex; flex-direction: column; gap: 0.1rem; }
.brand-title { font-weight: 700; font-family: "Poppins", "Inter", sans-serif; }
.brand-tag { color: var(--muted); font-size: 0.75rem; }

.nav-menu { display: flex; align-items: center; gap: 0.9rem; }
.nav-menu a {
  padding: 0.45rem 0.7rem;
  border-radius: 9px;
  font-weight: 500;
  color: var(--secondary);
  transition: color var(--ease), background-color var(--ease), transform var(--ease);
}
.nav-menu a:hover, .nav-menu a.active {
  background: #f1f5f9;
  color: var(--primary);
}
.nav-menu a:active {
  transform: scale(0.985);
}
.nav-pill {
  border: 1px solid var(--accent);
  color: var(--primary) !important;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  width: 44px;
  height: 40px;
  padding: 0.35rem;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--primary);
  margin: 0.34rem 0;
}

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: var(--bg);
  display: grid;
  place-items: center;
  text-align: center;
  transition: opacity 420ms ease, visibility 420ms ease;
}
.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-core,
.spinner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 3px solid #cbd5e1;
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
  margin: 0 auto 0.75rem;
}

.section-loader {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  padding: 2rem;
  text-align: center;
  margin-bottom: 1rem;
}
.section-loader[hidden] { display: none; }

.hero-grid,
.about-layout,
.contact-grid,
.grid,
.package-cards,
.footer-grid,
.timeline,
.problem-grid,
.industry-grid,
.service-rich-grid {
  display: grid;
  gap: 1rem;
}
.grid-2,
.grid-3,
.grid-4,
.package-cards,
.problem-grid,
.timeline,
.industry-grid,
.service-rich-grid {
  grid-template-columns: 1fr;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.3rem;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}
.hero-card {
  padding: 1.45rem;
}
.hero-card ul { margin: 0 0 1rem; padding-left: 1.1rem; color: var(--secondary); }
.hero-assurance {
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px dashed #dbe5f0;
  background: #f8fafc;
}

.icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff7e6;
  border: 1px solid #f6d28b;
  color: #8c5b00;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.icon-lg {
  width: 48px;
  height: 48px;
  font-size: 0.95rem;
}

.bullet-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--secondary);
}
.bullet-list li { margin-bottom: 0.4rem; }

.timeline-item {
  position: relative;
  padding: 1.2rem 1.2rem 1.2rem 2.8rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 1.35rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline-item::after {
  content: "";
  position: absolute;
  left: 1.24rem;
  top: 2.3rem;
  bottom: -1.1rem;
  width: 1px;
  background: #d8e1ed;
}
.timeline-item:last-child::after { display: none; }

.cta-band {
  position: relative;
  overflow: hidden;
}
.cta-band::before,
.cta-band::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.08);
  pointer-events: none;
  animation: drift 7s ease-in-out infinite;
}
.cta-band::before {
  width: 200px;
  height: 200px;
  right: -70px;
  top: -80px;
}
.cta-band::after {
  width: 180px;
  height: 180px;
  left: -45px;
  bottom: -90px;
  animation-delay: 1s;
}
.cta-flex {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.74rem 1.22rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  transition: transform var(--ease), box-shadow var(--ease), opacity var(--ease), border-color var(--ease);
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.15);
}
.btn:active {
  transform: translateY(0) scale(0.985);
}
.btn-primary {
  background: var(--accent);
  color: #1b1200;
}
.btn-outline {
  border-color: var(--secondary);
  color: var(--secondary);
  background: #fff;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(-130%);
  transition: transform 450ms ease;
}
.btn:hover::after {
  transform: translateX(130%);
}

.btn.loading {
  pointer-events: none;
  opacity: 0.9;
}
.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(15, 23, 42, 0.25);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  display: none;
}
.btn.loading .btn-spinner { display: inline-block; }

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 70ms; }
.reveal-delay-2 { transition-delay: 140ms; }
.reveal-delay-3 { transition-delay: 210ms; }

.price {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0;
  transform: translateY(9px);
  transition: opacity 420ms ease, transform 420ms ease;
}
.price.price-visible {
  opacity: 1;
  transform: translateY(0);
}

.package-groups { display: grid; gap: 1.8rem; }
.package-group {
  border-top: 1px solid var(--border);
  padding-top: 1.1rem;
}
.package-tag {
  display: inline-block;
  margin-bottom: 0.45rem;
  padding: 0.21rem 0.64rem;
  border-radius: 999px;
  background: #fff7e0;
  border: 1px solid #efca80;
  color: #7c4c00;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.package-tag.strong {
  background: #f59e0b;
  border-color: #f59e0b;
  color: #1b1200;
}
.best-for {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.trust-note {
  border: 1px dashed #d8e1ed;
  border-radius: var(--radius);
  background: #fff;
  padding: 1rem;
}

.form-grid { display: grid; gap: 0.95rem; }
.form-group { display: grid; gap: 0.45rem; margin-bottom: 0.9rem; }
label, legend { font-weight: 600; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.76rem 0.84rem;
  font: inherit;
  background: #fff;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
  transform: translateY(-1px);
}
.checkbox-group {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem;
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
  font-weight: 500;
}
.checkbox-group input { width: auto; }
.form-feedback {
  min-height: 1.6rem;
  font-weight: 600;
  margin-top: 0.5rem;
}
.form-feedback.success { color: #166534; }
.form-feedback.error { color: #b91c1c; }

.contact-closure {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding-top: 2.4rem;
  background: #fff;
}
.footer-grid {
  grid-template-columns: 1fr;
  gap: 1.4rem;
}
.footer-title {
  font-size: 1rem;
  margin-bottom: 0.65rem;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li { margin-bottom: 0.45rem; }
.footer-links a {
  color: var(--secondary);
  transition: color var(--ease);
}
.footer-links a:hover { color: var(--primary); }
.footer-copy {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
  padding: 1rem 0 1.5rem;
}

.floating-whatsapp {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  background: var(--primary);
  color: #fff;
  padding: 0.68rem 1rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-weight: 600;
  transition: transform var(--ease), box-shadow var(--ease);
  z-index: 35;
}
.floating-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.scroll-top {
  position: fixed;
  right: 1rem;
  bottom: 4.9rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
  z-index: 35;
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .menu-toggle { display: inline-block; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 0.9rem 4%;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-menu.open { display: flex; }
}

@media (min-width: 760px) {
  .hero-grid { grid-template-columns: 1.2fr 0.95fr; align-items: center; gap: 1.4rem; }
  .grid-2, .problem-grid, .service-rich-grid, .about-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3, .industry-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .timeline-item::after {
    left: auto;
    top: 1.85rem;
    right: -0.6rem;
    bottom: auto;
    width: 1.2rem;
    height: 1px;
  }
  .timeline-item::before {
    left: auto;
    right: -0.1rem;
    top: 1.56rem;
  }
  .timeline-item {
    padding: 1.2rem 1.6rem 1.2rem 1.2rem;
  }
  .timeline-item:last-child::after,
  .timeline-item:last-child::before { display: none; }
  .package-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: 0.9fr 1.4fr; align-items: start; gap: 1.2rem; }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1.3fr 0.9fr 1fr; }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .section { padding: 5.6rem 0; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(10px, -10px); }
}