:root {
  --bg: #f4f9fc;
  --surface: #ffffff;
  --surface-strong: #e7f1ff;
  --primary: #104a8a;
  --primary-soft: #1e69b9;
  --accent: #25d366;
  --accent-soft: #edf9f0;
  --heading: #072946;
  --text: #323c48;
  --muted: #5f6d7a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.95);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(16, 74, 138, 0.08);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 18px 0;
  position: relative;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}

.main-nav {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.main-nav a {
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(16, 74, 138, 0.18);
  border-radius: 12px;
  background: white;
  cursor: pointer;
  padding: 8px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 999px;
  position: relative;
  transition: background 0.2s ease, transform 0.25s ease;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 999px;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.nav-toggle.open span {
  background: transparent;
}

.nav-toggle.open span::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle.open span::after {
  transform: rotate(-45deg);
  top: 0;
}

.nav-toggle span::before,
.nav-toggle span::after {
  transition: transform 0.25s ease, top 0.25s ease;
}

.hero {
  background: linear-gradient(135deg, #0f4d8c 0%, #165eae 100%);
  color: white;
  padding: clamp(4rem, 7vw, 6.5rem) 0 5rem;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.78rem;
  color: #dbe8ff;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.05;
  margin: 0 0 1.2rem;
}

.hero p {
  max-width: 620px;
  margin: 0 0 2rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.95rem 1.8rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 16px 40px rgba(37, 211, 102, 0.16);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: white;
}

.hero-card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 28px;
  padding: 2rem;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.12);
}

.hero-card h2 {
  margin-top: 0;
  font-size: 1.4rem;
}

.hero-card ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: rgba(255, 255, 255, 0.92);
}

.hero-card ul li {
  margin-bottom: 0.8rem;
  position: relative;
}

.hero-card ul li::marker {
  color: var(--accent);
}

.section-light,
.section-white {
  padding: 5rem 0;
}

.section-light {
  background: var(--bg);
}

.section-white {
  background: #ffffff;
}

.split-grid,
.cards-grid,
.testimonial-grid,
.contact-grid {
  display: grid;
  gap: 2rem;
}

.split-grid {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
}

.feature-list {
  display: grid;
  gap: 1rem;
}

.feature-item {
  background: var(--surface);
  padding: 1.3rem;
  border-radius: 18px;
  border: 1px solid rgba(16, 74, 138, 0.08);
}

.feature-item strong {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--primary);
}

.premium-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.premium-card {
  padding: 1.8rem;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(244,249,252,0.98));
  border: 1px solid rgba(16, 74, 138, 0.1);
  box-shadow: 0 14px 40px rgba(16, 74, 138, 0.06);
}

.premium-card strong {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--primary);
}

.premium-card p {
  margin: 0;
  color: var(--muted);
}

.section-header {
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(2rem, 3vw, 2.6rem);
  color: var(--heading);
}

.cards-grid {
  grid-template-columns: repeat(2, minmax(240px, 1fr));
}

.service-card {
  background: var(--surface);
  border-radius: 24px;
  padding: 1.8rem;
  border: 1px solid rgba(16, 74, 138, 0.09);
  box-shadow: 0 12px 30px rgba(16, 74, 138, 0.06);
}

.service-card h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--primary);
}

.service-card p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.service-card ul {
  list-style: none;
  padding-left: 1rem;
  margin: 0;
}

.service-card ul li {
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 1rem;
}

.service-card ul li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.9rem;
}

.testimonial-grid {
  grid-template-columns: repeat(3, minmax(220px, 1fr));
}

blockquote {
  margin: 0;
  padding: 2rem;
  border-radius: 24px;
  background: var(--surface);
  border: 1px solid rgba(16, 74, 138, 0.08);
  box-shadow: 0 12px 28px rgba(16, 74, 138, 0.06);
}

blockquote p {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 1rem;
}

blockquote footer {
  color: var(--primary);
  font-weight: 700;
}

.contact-grid {
  grid-template-columns: 1.1fr 0.9fr;
}

.contact-info {
  display: grid;
  gap: 1.2rem;
}

.contact-info p {
  margin: 0;
  background: var(--surface);
  padding: 1.2rem 1.4rem;
  border-radius: 18px;
  border: 1px solid rgba(16, 74, 138, 0.08);
}

.contact-info strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.contact-actions {
  margin-top: 1.5rem;
}

.contact-actions .btn {
  min-width: 220px;
}

.location-card {
  background: var(--surface-strong);
  padding: 2rem;
  border-radius: 24px;
  border: 1px solid rgba(16, 74, 138, 0.1);
}

.location-card h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--primary);
}

.location-card p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.director-card {
  margin-top: 1.5rem;
  background: rgba(37, 211, 102, 0.08);
  border-radius: 18px;
  padding: 1rem;
}

.director-card p {
  margin: 0;
}

.site-footer {
  background: var(--primary);
  color: white;
  padding: 1.7rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.footer-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

@media (max-width: 1024px) {
  .hero-content,
  .split-grid,
  .contact-grid,
  .cards-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .section-header,
  .feature-item,
  .hero-card,
  .service-card,
  blockquote,
  .location-card {
    border-radius: 20px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1rem 0;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 1rem;
    background: white;
    padding: 1.25rem;
    border-radius: 18px;
    box-shadow: 0 16px 48px rgba(16, 74, 138, 0.16);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    display: flex;
    z-index: 110;
  }

  .main-nav.nav-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .main-nav a {
    font-size: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(16, 74, 138, 0.08);
  }

  .hero {
    padding-top: 4rem;
  }

  .hero-content {
    gap: 1.5rem;
  }

  .hero-card {
    margin-top: 1.5rem;
  }

  .premium-grid {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }

  .floating-whatsapp {
    right: 0.75rem;
    left: 0.75rem;
    justify-content: center;
    padding: 0.95rem 1rem;
  }

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

@media (max-width: 560px) {
  .hero {
    padding: 3rem 0 4rem;
  }

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

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

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

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

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

#location strong {
  color: #003366;
}