:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: rgba(255,255,255,.80);
  --surface-strong: rgba(255,255,255,.94);
  --surface-solid: #ffffff;
  --text: #101827;
  --muted: #64748b;
  --border: rgba(15,23,42,.10);
  --cyan: #12aeca;
  --cyan-deep: #0795b4;
  --purple: #7c2bd0;
  --purple-deep: #5b19a6;
  --shadow: 0 24px 80px rgba(15,23,42,.13);
  --shadow-soft: 0 14px 40px rgba(15,23,42,.10);
  --logo-filter: none;
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--purple);
  color: #fff;
  padding: 1rem 2rem;
  border-radius: 0 0 1rem 1rem;
  z-index: 9999;
  font-weight: 850;
  text-decoration: none;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 0;
}

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.loader-logo {
  width: 150px;
  animation: pulse-logo 2s ease-in-out infinite;
}

@keyframes pulse-logo {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border);
  border-top-color: var(--purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 8%, rgba(18,174,202,.22), transparent 29rem),
    radial-gradient(circle at 92% 18%, rgba(124,43,208,.22), transparent 31rem),
    radial-gradient(circle at 50% 100%, rgba(18,174,202,.12), transparent 34rem),
    var(--bg);
  min-height: 100vh;
}

a { text-decoration: none; }
button { font: inherit; }

/* Enhanced focus states for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--purple);
  outline-offset: 2px;
}

.mabni-nav {
  padding: .62rem 0;
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.mabni-nav.scrolled {
  padding: .45rem 0;
  background: color-mix(in srgb, var(--surface-solid) 96%, transparent);
  box-shadow: 0 4px 20px rgba(15,23,42,.08);
}

.brand-logo {
  width: 112px;
  max-height: 48px;
  object-fit: contain;
  display: block;
  filter: var(--logo-filter);
}

.navbar-toggler {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .43rem .68rem;
  box-shadow: none !important;
}

.navbar-toggler-icon { opacity: .8; }

.nav-link {
  color: var(--muted);
  font-weight: 780;
  font-size: .95rem;
  letter-spacing: -.01em;
}

.nav-link:hover,
.nav-link:focus { color: var(--text); }

.nav-pill {
  color: #fff !important;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border-radius: 999px;
  padding: .62rem 1.05rem !important;
  box-shadow: 0 10px 25px rgba(124,43,208,.24);
}

.hero-section {
  min-height: 92vh;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  padding: 9rem 0 4.5rem;
}

.hero-container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 980px;
}

.hero-logo-wrap {
  width: min(420px, 86vw);
  margin: 0 auto 1.7rem;
  padding: 1.35rem;
  border-radius: 2.2rem;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
}

.hero-logo-wrap:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow);
}

.hero-logo {
  width: 100%;
  display: block;
  object-fit: contain;
  filter: var(--logo-filter);
}

.hero-kicker {
  width: fit-content;
  margin: 0 auto 1rem;
  padding: .5rem .95rem;
  border-radius: 999px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  font-weight: 950;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: .78rem;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
}

.hero-kicker:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

h1 {
  font-size: clamp(2.8rem, 7.4vw, 6.45rem);
  line-height: .9;
  letter-spacing: -.07em;
  margin: 0;
  font-weight: 950;
}

.hero-line {
  margin: 1.25rem auto 0;
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.04rem, 2vw, 1.24rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: 2rem;
}

.btn-mabni,
.btn-outline-mabni {
  border-radius: 999px;
  padding: .95rem 1.35rem;
  font-weight: 850;
  transition: transform .3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow .3s ease, background .3s ease;
}

.btn-mabni {
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border: 0;
  box-shadow: 0 18px 42px rgba(124,43,208,.27);
}

.btn-mabni:hover,
.btn-mabni:focus {
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-mabni {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
}

.btn-outline-mabni:hover,
.btn-outline-mabni:focus {
  color: var(--text);
  background: var(--surface-solid);
  transform: translateY(-2px);
}

.quick-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 1.35rem auto 0;
}

.quick-links a {
  color: var(--text);
  font-weight: 850;
  font-size: .92rem;
  padding: .64rem 1rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.quick-links a:hover,
.quick-links a:focus { transform: translateY(-2px); }

.hero-orb {
  position: absolute;
  width: 23rem;
  height: 23rem;
  border-radius: 999px;
  filter: blur(68px);
  opacity: .42;
  pointer-events: none;
}

.hero-orb-one { top: 15%; left: -8rem; background: var(--cyan); }
.hero-orb-two { right: -8rem; bottom: 14%; background: var(--purple); }

.section-block { padding: 5rem 0; }
.section-label,
.section-heading span {
  display: inline-flex;
  margin-bottom: .55rem;
  color: var(--purple);
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: .78rem;
}

.section-heading {
  text-align: center;
  margin-bottom: 2rem;
}

.section-heading h2,
.about-panel h2,
.contact-copy h2 {
  font-weight: 950;
  letter-spacing: -.055em;
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin: 0;
}

.about-section { padding-top: 2rem; }

.about-panel {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(1.25rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border-radius: 2.3rem;
  background: linear-gradient(135deg, rgba(18,174,202,.11), rgba(124,43,208,.15)), var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.about-panel p,
.contact-copy p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
  margin: 0;
}

.services-grid,
.sites-grid {
  display: grid;
  gap: 1.1rem;
}

.services-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sites-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.service-card,
.site-card,
.contact-form {
  border: 1px solid var(--border);
  border-radius: 2rem;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.service-card {
  height: 100%;
  min-height: 228px;
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  transition: transform .3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow .3s ease, border-color .3s ease;
}

.service-card:hover,
.service-card:focus-within {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--cyan) 40%, var(--border));
  box-shadow: var(--shadow);
}

.service-card i {
  width: 3.55rem;
  height: 3.55rem;
  display: grid;
  place-items: center;
  border-radius: 1.15rem;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  font-size: 1.3rem;
  margin-bottom: 1.15rem;
}

.service-card h3,
.site-card h3 {
  font-weight: 950;
  letter-spacing: -.04em;
  font-size: clamp(1.32rem, 2.2vw, 1.55rem);
  margin: 0 0 .65rem;
}

.service-card p,
.site-card p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
  margin: 0;
}

.service-card p { flex: 1; }
.sites-section { padding-top: 3rem; }

.site-card {
  display: flex;
  flex-direction: column;
  min-height: 292px;
  padding: 1.35rem;
  color: var(--text);
  transition: transform .3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow .3s ease, border-color .3s ease;
}

.site-card:hover,
.site-card:focus {
  transform: translateY(-7px);
  color: var(--text);
  border-color: color-mix(in srgb, var(--purple) 42%, var(--border));
  box-shadow: var(--shadow);
}

.site-icon {
  width: 4rem;
  height: 4rem;
  display: grid;
  place-items: center;
  border-radius: 1.35rem;
  color: #fff;
  font-size: 1.35rem;
  margin-bottom: 1.4rem;
}

.site-icon.cyan { background: linear-gradient(135deg, var(--cyan), var(--cyan-deep)); }
.site-icon.purple { background: linear-gradient(135deg, var(--purple), var(--purple-deep)); }
.site-icon.mix { background: linear-gradient(135deg, var(--cyan), var(--purple)); }

.site-card span {
  margin-top: auto;
  color: var(--text);
  font-weight: 850;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}

.contact-block { padding-top: 2rem; }

.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 1.4rem;
  align-items: stretch;
}

.contact-copy {
  padding: clamp(1.35rem, 4vw, 2.25rem);
  border-radius: 2.3rem;
  background: linear-gradient(135deg, rgba(18,174,202,.12), rgba(124,43,208,.16)), var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.contact-copy h2 { margin-bottom: 1rem; }

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.4rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  color: var(--text);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .85rem 1rem;
  font-weight: 850;
  cursor: pointer;
}

.contact-link i { color: var(--purple); }
.contact-link:hover,
.contact-link:focus { color: var(--text); transform: translateY(-2px); }

.contact-form { padding: clamp(1.25rem, 4vw, 1.8rem); }

.testimonials-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.testimonial-card {
  padding: 1.5rem;
  border-radius: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  transition: transform .3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow .3s ease;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.testimonial-rating {
  color: #fbbf24;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.testimonial-text {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.2rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.author-name {
  font-weight: 850;
  color: var(--text);
}

.author-role {
  font-size: .9rem;
  color: var(--muted);
}

.process-steps {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
  border-radius: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  transition: transform .3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow .3s ease;
}

.process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.step-number {
  width: 3.5rem;
  height: 3.5rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff;
  font-size: 1.5rem;
  font-weight: 950;
  margin-bottom: 1rem;
}

.step-content h3 {
  font-weight: 950;
  font-size: 1.25rem;
  margin-bottom: .5rem;
  color: var(--text);
}

.step-content p {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.5;
}

.faq-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.faq-item {
  padding: 1.5rem;
  border-radius: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  transition: transform .3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow .3s ease;
}

.faq-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.faq-item h3 {
  font-weight: 850;
  font-size: 1.1rem;
  margin-bottom: .75rem;
  color: var(--text);
}

.faq-item p {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.6;
  margin: 0;
}

.form-label {
  color: var(--text);
  font-weight: 850;
  font-size: .92rem;
}

.form-control,
.form-select {
  color: var(--text);
  background-color: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: .9rem 1rem;
  box-shadow: none !important;
}

.form-control::placeholder { color: color-mix(in srgb, var(--muted) 74%, transparent); }
.form-control:focus,
.form-select:focus {
  color: var(--text);
  background-color: var(--surface-solid);
  border-color: var(--purple);
}

.form-note {
  min-height: 1.4rem;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 700;
}

.floating-whatsapp {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 20;
  width: 3.45rem;
  height: 3.45rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  box-shadow: 0 16px 36px rgba(124,43,208,.34);
  font-size: 1.55rem;
}

.floating-whatsapp:hover,
.floating-whatsapp:focus { color: #fff; transform: translateY(-3px) scale(1.1); }

.floating-whatsapp {
  animation: pulse-whatsapp 2s ease-in-out infinite;
}

@keyframes pulse-whatsapp {
  0%, 100% {
    box-shadow: 0 16px 36px rgba(124,43,208,.34);
  }
  50% {
    box-shadow: 0 16px 36px rgba(124,43,208,.54), 0 0 0 8px rgba(124,43,208,.2);
  }
}

.back-to-top {
  position: fixed;
  right: 1.2rem;
  bottom: 5.5rem;
  z-index: 19;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border: 0;
  box-shadow: 0 12px 28px rgba(124,43,208,.28);
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 16px 36px rgba(124,43,208,.38);
}

.footer {
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding: 1.4rem 0 5rem;
  font-size: .95rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  color: var(--muted);
  font-size: 1.25rem;
  transition: color 0.3s ease, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.social-link:hover {
  color: var(--purple);
  transform: translateY(-2px);
}

@media (max-width: 1199.98px) {
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .testimonials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    margin-top: .8rem;
    padding: .85rem;
    border: 1px solid var(--border);
    border-radius: 1.35rem;
    background: var(--surface-solid);
  }

  .nav-link { padding: .75rem .8rem; }
  .nav-pill { margin-top: .35rem; text-align: center; }
  .about-panel,
  .contact-grid { grid-template-columns: 1fr; }
  .sites-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 767.98px) {
  .brand-logo { width: 98px; }
  .hero-section { min-height: 88vh; padding-top: 8rem; }
  .hero-logo-wrap { width: min(340px, 90vw); padding: 1rem; border-radius: 1.6rem; }
  h1 { font-size: clamp(2.75rem, 15vw, 4.25rem); }
  .hero-line { font-size: 1.04rem; }
  .hero-actions .btn { width: 100%; }
  .quick-links a { flex: 1 1 100%; text-align: center; }
  .services-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .service-card,
  .site-card { min-height: 210px; border-radius: 1.6rem; }
  .contact-actions { flex-direction: column; }
  .contact-link { width: 100%; }
  .section-block { padding: 4rem 0; }
  .floating-whatsapp { right: .9rem; bottom: .9rem; }
}