:root {
  --navy: #0b2b5c;
  --blue: #0969da;
  --cyan: #12aebb;
  --red: #d7193f;
  --ink: #172033;
  --muted: #5d6b80;
  --line: #e3eaf4;
  --soft: #f6f9fd;
  --paper: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-header {
  width: min(1120px, calc(100% - 28px));
  min-height: 62px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex: 0 0 auto;
}

.brand img {
  width: 164px;
  height: auto;
  max-height: 42px;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: #34445b;
  font-size: 15px;
  font-weight: 620;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--blue);
}

.btn {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 22px rgba(9, 105, 218, 0.16);
}

.btn-outline,
.btn-light {
  background: #fff;
  color: var(--navy);
  border-color: #ccd8e8;
}

.hero .btn-outline {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.52);
}

.hero .btn-apk {
  background: rgba(255, 255, 255, 0.92);
  color: var(--navy);
  border-color: rgba(255, 255, 255, 0.72);
}

.hero {
  width: 100%;
  min-height: calc(100vh - 62px);
  margin: 0;
  padding: 74px 0;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(4, 20, 48, 0.86) 0%, rgba(5, 31, 74, 0.72) 36%, rgba(5, 31, 74, 0.28) 68%, rgba(5, 31, 74, 0.08) 100%),
    url("/assets/tekananga-hero-bg.png") center / cover no-repeat;
}

.hero-copy {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero .eyebrow {
  color: #56d4e5;
}

.hero h1 {
  color: #fff;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.86);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 14px;
  font-weight: 720;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(39px, 4.8vw, 60px);
  line-height: 1.06;
  font-weight: 760;
  max-width: 760px;
}

h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(27px, 3vw, 38px);
  line-height: 1.18;
  font-weight: 720;
}

h3 {
  margin: 0;
  color: var(--navy);
  font-size: 18px;
  font-weight: 720;
}

.lead {
  margin: 22px 0 0;
  color: #46566d;
  font-size: 18px;
  line-height: 1.68;
  max-width: 620px;
}

.actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.apk-note {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 620;
}

.chips {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.chips span {
  min-height: 31px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 13px;
  font-weight: 620;
}

.summary,
.section,
.pricing,
.contact,
footer {
  width: min(1120px, calc(100% - 36px));
  margin-left: auto;
  margin-right: auto;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.summary article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.summary strong {
  display: block;
  color: var(--navy);
  font-size: 18px;
  font-weight: 720;
}

.summary span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  line-height: 1.5;
}

.section {
  padding: 70px 0 22px;
}

.compact-section {
  padding-top: 44px;
  padding-bottom: 0;
}

.section-title {
  max-width: 680px;
  margin-bottom: 26px;
}

.section-title p:not(.eyebrow) {
  margin: 12px 0 0;
  color: #536277;
  line-height: 1.6;
}


.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-grid article {
  min-height: 148px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.feature-grid p,
.pricing p,
.contact p,
.faq-grid p {
  margin: 10px 0 0;
  color: #536277;
  line-height: 1.6;
}

.pricing,
.contact {
  margin-top: 34px;
  padding: 28px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.pricing {
  background: var(--soft);
  border: 1px solid #e5edf8;
}

.pricing-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.faq-section {
  padding-top: 48px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.faq-grid details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 17px 18px;
}

.faq-grid summary {
  cursor: pointer;
  color: var(--navy);
  font-weight: 700;
  line-height: 1.4;
}

.faq-grid summary::marker {
  color: var(--blue);
}

.contact {
  margin-bottom: 26px;
  border: 1px solid var(--line);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

footer {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

footer a {
  text-decoration: none;
}

.floating-contact {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  min-width: 210px;
  padding: 12px 16px;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 18px 34px rgba(8, 32, 72, 0.22);
}

.floating-contact span,
.floating-contact strong {
  display: block;
  line-height: 1.15;
}

.floating-contact span {
  font-size: 12px;
  font-weight: 700;
  opacity: 0.88;
}

.floating-contact strong {
  margin-top: 2px;
  font-size: 15px;
  font-weight: 780;
}

@media (max-width: 900px) {
  .hero {
    min-height: 620px;
    background-position: 58% center;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 56px;
  }

  .brand img {
    width: 128px;
    max-height: 34px;
  }

  .nav-links,
  .site-header .btn-light {
    display: none;
  }

  .hero {
    width: 100%;
    min-height: 640px;
    padding: 42px 0;
    background:
      linear-gradient(180deg, rgba(4, 20, 48, 0.9) 0%, rgba(4, 20, 48, 0.74) 48%, rgba(4, 20, 48, 0.34) 100%),
      url("/assets/tekananga-hero-bg.png") 62% center / cover no-repeat;
  }

  h1 {
    font-size: 36px;
  }

  .lead {
    font-size: 16px;
  }

  .actions .btn {
    width: 100%;
  }

  .summary,
  .feature-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .pricing,
  .contact,
  footer {
    flex-direction: column;
    align-items: stretch;
  }

  .pricing-actions {
    justify-content: stretch;
  }

  .pricing-actions .btn {
    width: 100%;
  }

  .contact-actions {
    justify-content: stretch;
  }

  .contact-actions .btn {
    width: 100%;
  }

  .floating-contact {
    right: 14px;
    bottom: 14px;
    min-width: 0;
    padding: 11px 14px;
  }

  .floating-contact span {
    display: none;
  }

  .floating-contact strong {
    margin-top: 0;
    font-size: 14px;
  }
}