:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-strong: #eef3fb;
  --text: #10203a;
  --muted: #5f718d;
  --accent: #3b8b5a;
  --accent-soft: #e5f5ea;
  --accent-dark: #245b3f;
  --border: rgba(16, 32, 58, 0.08);
  --shadow: 0 22px 75px rgba(15, 38, 75, 0.05);
  --shadow-lg: 0 32px 100px rgba(15, 38, 75, 0.08);
  --radius: 24px;
  --radius-sm: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(180deg, #f9fbff 0%, #f4f7fb 100%);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg {
  max-width: 100%;
}

button,
a,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.top-bar {
  background: linear-gradient(135deg, #0f2a58 0%, #1a4077 100%);
  color: #eef4ff;
  font-size: 0.95rem;
  box-shadow: 0 4px 20px rgba(15, 42, 88, 0.15);
}

.top-bar__content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.85rem 0;
}

.top-bar__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar__item a {
  color: inherit;
  text-decoration: none;
}

.top-bar__whatsapp a {
  font-weight: 600;
  color: #c5e7cd;
}

.navbar-wrapper {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(15, 32, 58, 0.08);
  border-bottom: 1px solid rgba(16, 32, 58, 0.04);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  text-decoration: none;
}

.nav-toggle {
  width: 2.4rem;
  height: 2rem;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  cursor: pointer;
  gap: 0.35rem;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--text);
  border-radius: 999px;
}

.nav-links {
  display: grid;
  gap: 1.25rem;
  text-align: center;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

.hero {
  padding: 4rem 0 3rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(59, 139, 90, 0.02) 100%);
}

.hero__grid {
  display: grid;
  gap: 2rem;
}

.eyebrow {
  color: var(--accent-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  margin: 1rem 0 1rem;
  max-width: 14ch;
}

.hero p {
  max-width: 60ch;
  color: var(--muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0 1.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 18px 40px rgba(60, 138, 90, 0.18);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: rgba(16, 32, 58, 0.12);
}

.btn-block {
  width: 100%;
}

.card-soft {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-soft:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hero__visual {
  min-height: 320px;
  display: grid;
  place-items: center;
}

.hero__visual-card {
  width: 100%;
  max-width: 420px;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(5, 24, 63, 0.12);
}

.hero__visual-image {
  min-height: 260px;
  background: linear-gradient(135deg, #1a4077 0%, #072c55 100%);
  position: relative;
}

.hero__visual-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.18), transparent 40%),
    radial-gradient(circle at bottom right, rgba(198, 233, 210, 0.18), transparent 30%);
}

.hero__visual-info {
  padding: 1.5rem;
  background: #fff;
}

.hero__visual-info p {
  margin: 0 0 0.75rem;
  color: var(--text);
  font-weight: 600;
}

.hero__visual-info span {
  color: var(--muted);
}

.section {
  padding: 3rem 0;
}

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

.section__header h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin: 0.75rem auto 0;
  max-width: 13ch;
}

.service-grid,
.feature-grid,
.document-grid,
.testimonial-grid,
.faq-grid {
  display: grid;
  gap: 1.5rem;
}

.service-card,
.feature-card,
.document-card,
.testimonial-card,
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.75rem;
}

.service-card h3,
.feature-card h3,
.faq-item h3 {
  margin-top: 0;
}

.service-card p,
.feature-card p,
.document-card,
.testimonial-card p,
.faq-item p {
  margin: 1rem 0 0;
  color: var(--muted);
}

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

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

.document-grid {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.document-card {
  text-align: center;
  font-weight: 600;
}

.calculator__layout,
.enquiry__layout {
  display: grid;
  gap: 2rem;
}

.calculator__card,
.enquiry__form {
  padding: 2rem;
}

.calculator-form .form-row,
.enquiry__form .form-row {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

label {
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  border: 1px solid rgba(16, 32, 58, 0.12);
  background: #fff;
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(59, 139, 90, 0.56);
  box-shadow: 0 0 0 4px rgba(59, 139, 90, 0.12);
}

.calculator-results {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.result-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: 18px;
  background: var(--accent-soft);
  border: 1px solid rgba(59, 139, 90, 0.18);
}

.result-item strong {
  color: var(--text);
}

.enquiry__layout {
  grid-template-columns: 1fr;
}

.enquiry__text h2 {
  margin: 0.75rem 0 1rem;
}

.form-success {
  margin-top: 1rem;
  font-weight: 600;
  color: var(--accent-dark);
}

.testimonial-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.testimonial-card {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-card strong {
  display: block;
  margin-top: 1.25rem;
  color: var(--accent-dark);
}

.faq-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.faq-item h3 {
  margin-bottom: 0.85rem;
}

.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.8rem;
  height: 3.8rem;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 24px 40px rgba(0, 0, 0, 0.18);
}

.footer {
  padding: 4rem 0 3rem;
  background: linear-gradient(135deg, #0f2a58 0%, #1a4077 100%);
  color: #e7f2ff;
  box-shadow: inset 0 8px 32px rgba(0, 0, 0, 0.1);
}

.footer__grid {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.footer__brand {
  display: inline-block;
  color: #fff;
  margin-bottom: 1rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.footer a:hover {
  color: #fff;
}

.footer h4 {
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer__disclaimer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

@media (min-width: 780px) {
  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .nav-links {
    display: flex;
    align-items: center;
  }

  .nav-toggle {
    display: none;
  }

  .calculator__layout,
  .enquiry__layout {
    grid-template-columns: 1fr 1fr;
  }

  .calculator__card,
  .enquiry__form {
    padding: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .service-grid,
  .document-grid,
  .testimonial-grid,
  .faq-grid {
    gap: 2rem;
  }
}

@media (max-width: 779px) {
  .nav-links {
    transform: translateY(-5%);
    padding: 1rem 0.5rem 1.25rem;
    position: absolute;
    right: 1rem;
    top: 100%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 24px 55px rgba(15, 32, 58, 0.12);
    border-radius: 20px;
    width: min(220px, calc(100% - 2rem));
    display: none;
  }

  .nav-links.open {
    display: grid;
  }

  .nav-links a {
    padding: 0.85rem 0;
  }
}

@media (max-width: 540px) {
  .hero {
    padding-top: 2rem;
  }

  .section {
    padding: 2rem 0;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__visual-card {
    min-height: 260px;
  }
}