:root {
  --ink: #151619;
  --night: #0c0f14;
  --steel: #e2e5ea;
  --fog: #f6f7f9;
  --signal: #d8ff3d;
  --ember: #ff7b54;
  --ocean: #2c6ef2;
  --glass: rgba(255, 255, 255, 0.16);
  --shadow: rgba(15, 19, 28, 0.2);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Space Grotesk", system-ui, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, #ffffff 0%, #f1f3f8 42%, #e2e8f3 100%);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
}

.hero {
  padding: 120px 6vw 80px;
  min-height: 100vh;
  background: linear-gradient(135deg, #0b101a 0%, #131826 55%, #1b2130 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(44, 110, 242, 0.5) 0%, rgba(44, 110, 242, 0) 70%);
  top: -120px;
  right: -200px;
  filter: blur(8px);
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 16px 6vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  z-index: 2;
  background: rgba(11, 16, 26, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-toggle {
  display: none;
  background: transparent;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: white;
  border-radius: 999px;
}

.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(11, 16, 26, 0.97);
  padding: 20px 6vw 24px;
  display: none;
  flex-direction: column;
  gap: 14px;
  z-index: 2;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu a {
  color: white;
  font-size: 1rem;
}

.mobile-cta {
  margin-top: 6px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--signal);
  color: #10131a;
  font-weight: 600;
  text-align: center;
}

.mobile-menu.is-open {
  display: flex;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #d8ff3d 0%, #f8ff9c 100%);
  display: grid;
  place-items: center;
  color: #0b101a;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 24px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.72);
}

.nav-cta {
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--signal);
  color: #10131a;
  font-weight: 600;
}

.hero-grid {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-copy h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.05;
}

.hero-copy h1 span {
  color: var(--signal);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
}

.lead {
  font-size: 1.05rem;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.8);
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin: 32px 0 24px;
}

.primary {
  background: var(--signal);
  color: #0b101a;
  padding: 14px 26px;
  border-radius: 14px;
  font-weight: 600;
}

.ghost {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 14px 26px;
  border-radius: 14px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 20px;
}

.hero-stats h3 {
  font-size: 1.6rem;
}

.hero-stats p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.hero-visual {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
}

.slider {
  width: min(520px, 86vw);
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.35);
  background: #0b101a;
}

.slides {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
}

.slide.is-active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.slider-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(12, 15, 20, 0.8);
  color: white;
  font-size: 1.6rem;
  display: grid;
  place-items: center;
  z-index: 2;
}

.slider-control:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.slider-control.prev {
  left: 14px;
}

.slider-control.next {
  right: 14px;
}

.features {
  padding: 100px 6vw;
  background: #f6f7f9;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-top: 12px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.feature-grid article {
  padding: 24px;
  border-radius: var(--radius-md);
  background: white;
  box-shadow: 0 18px 40px rgba(16, 20, 30, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-grid article:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(16, 20, 30, 0.12);
}

.specs {
  padding: 90px 6vw;
  background: linear-gradient(135deg, #fff5f0 0%, #ffe0c9 100%);
}

.specs-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  background: white;
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(16, 20, 30, 0.1);
}

.spec-list {
  list-style: none;
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.spec-list li {
  padding-left: 18px;
  position: relative;
}

.spec-list li::before {
  content: "?";
  position: absolute;
  left: 0;
  color: var(--ember);
}

.specs-visual {
  display: grid;
  gap: 18px;
}

.meter {
  background: #12151d;
  color: white;
  border-radius: 18px;
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.smart {
  padding: 90px 6vw;
  background: #0d1119;
  color: white;
}

.smart-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.pill-list {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill-list span {
  background: rgba(255, 255, 255, 0.12);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.smart-cards {
  display: grid;
  gap: 16px;
}

.smart-cards article {
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
}

.seo {
  padding: 90px 6vw;
  background: #f6f7f9;
}

.seo-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  background: white;
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(16, 20, 30, 0.1);
}

.seo .eyebrow {
  color: #6b7280;
}

.seo .lead {
  color: #3b3f46;
}

.seo-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.seo-list li {
  padding-left: 18px;
  position: relative;
}

.seo-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--ocean);
}

.service-areas {
  padding: 90px 6vw;
  background: #ffffff;
}

.service-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  background: #0b0f16;
  color: white;
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(16, 20, 30, 0.2);
}

.service-card .eyebrow {
  color: rgba(255, 255, 255, 0.6);
}

.service-card .lead {
  color: rgba(255, 255, 255, 0.85);
}

.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.city-grid span {
  background: rgba(255, 255, 255, 0.08);
  padding: 10px 12px;
  border-radius: 12px;
  text-align: center;
  font-weight: 500;
}

.diaspora {
  padding: 90px 6vw;
  background: linear-gradient(120deg, #0b101a 0%, #182033 100%);
  color: white;
}

.diaspora-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  background: rgba(255, 255, 255, 0.08);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(16, 20, 30, 0.25);
}

.diaspora-actions {
  display: grid;
  gap: 12px;
  align-content: start;
}

.testimonial {
  padding: 80px 6vw;
  background: #f2f4f7;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  align-items: center;
}

.testimonial blockquote {
  font-family: "Playfair Display", serif;
  font-size: 1.6rem;
  line-height: 1.4;
}

.testimonial-visual {
  position: relative;
  min-height: 200px;
}

.pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(44, 110, 242, 0.3);
  animation: pulse 4s ease-out infinite;
}

.pulse:nth-child(2) {
  animation-delay: 1.2s;
}

.pulse:nth-child(3) {
  animation-delay: 2.4s;
}

.contact {
  padding: 90px 6vw 120px;
  background: linear-gradient(120deg, #0b0f16 0%, #1b1f2b 100%);
  color: white;
}

.contact-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  padding: 40px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.contact-info {
  margin-top: 20px;
  display: grid;
  gap: 10px;
  font-weight: 500;
}

.contact-form {
  display: grid;
  gap: 12px;
}

.contact-form input {
  padding: 12px 16px;
  border-radius: 12px;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.contact-form button {
  padding: 14px;
  background: var(--signal);
  color: #11151b;
  border-radius: 12px;
  font-weight: 600;
}

.footer {
  padding: 30px 6vw;
  background: #0b0f16;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-contact h3 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.footer-contact p {
  margin-bottom: 6px;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: #25d366;
  color: #0b101a;
  padding: 12px 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  z-index: 20;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  transition: transform 0.2s ease;
}

.wa-badge {
  background: #0b101a;
  color: white;
  border-radius: 999px;
  font-size: 0.75rem;
  padding: 6px 8px;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 86px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(11, 16, 26, 0.9);
  color: white;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  z-index: 19;
}

.back-to-top:hover {
  transform: translateY(-2px);
  transition: transform 0.2s ease;
}

@keyframes pulse {
  0% {
    transform: scale(0.85);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

@keyframes halo {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.9;
  }
}

@media (max-width: 920px) {
  .nav-links {
    display: none;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 620px) {
  .nav {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .hero {
    padding: 110px 5vw 60px;
  }

  .hero-copy h1 {
    font-size: 2.4rem;
  }

  .specs-card,
  .contact-card,
  .seo-card,
  .service-card,
  .diaspora-card {
    padding: 28px;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .slider-control {
    width: 38px;
    height: 38px;
    font-size: 1.4rem;
  }

  .mobile-menu {
    top: 110px;
  }
}