:root {
  --dental-blue: #4f9fc8;
  --fresh-green: #7abf3a;
  --dark-navy: #1f3b4d;
  --soft-gray: #f4f7f9;
  --white: #ffffff;
  --text: #425563;
  --muted: #6f8190;
  --border: #dce8ee;
  --shadow: 0 18px 45px rgba(31, 59, 77, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul {
  list-style: none;
}

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

.section {
  padding: 88px 0;
}

.section-soft {
  background: var(--soft-gray);
}

.section-header {
  max-width: 760px;
  margin-bottom: 42px;
}

.eyebrow {
  display: inline-flex;
  color: var(--fresh-green);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 12px;
}

h1,
h2,
h3,
h4 {
  color: var(--dark-navy);
  line-height: 1.2;
  font-weight: 800;
}

h1 {
  font-size: clamp(38px, 6vw, 68px);
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
}

h3 {
  font-size: 24px;
}

p {
  margin-bottom: 16px;
}

.lead {
  font-size: 19px;
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: 0.25s ease;
}

.btn-primary {
  background: var(--dental-blue);
  color: var(--white);
  box-shadow: 0 12px 25px rgba(79, 159, 200, 0.25);
}

.btn-primary:hover {
  background: #3e91bc;
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--fresh-green);
  color: var(--white);
}

.btn-secondary:hover {
  background: #68aa30;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--dental-blue);
  color: var(--dental-blue);
}

.btn-outline:hover {
  background: var(--dental-blue);
  color: var(--white);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(220, 232, 238, 0.8);
}

body.is-scrolled .site-header {
  box-shadow: 0 8px 28px rgba(31, 59, 77, 0.08);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo,
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--dark-navy);
  font-weight: 800;
  font-size: 22px;
}

.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--dental-blue), var(--fresh-green));
  display: grid;
  place-items: center;
  color: var(--white);
  font-weight: 900;
}

.navbar,
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar a,
.nav-menu a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--dark-navy);
  font-weight: 700;
  font-size: 15px;
  transition: 0.25s ease;
}

.navbar a:hover,
.navbar a.active,
.nav-menu a:hover,
.nav-menu a.active {
  color: var(--dental-blue);
  background: rgba(79, 159, 200, 0.1);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--dark-navy);
  margin: 5px auto;
  transition: 0.25s ease;
}

.mobile-menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 20%, rgba(122, 191, 58, 0.16), transparent 32%),
    linear-gradient(135deg, #ffffff 0%, #eef7fb 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 54px;
}

.hero-content {
  max-width: 720px;
}

.hero-content p {
  margin-top: 20px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-image {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.breadcrumb {
  padding: 22px 0;
  background: var(--soft-gray);
  color: var(--muted);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--dental-blue);
  font-weight: 700;
}

.breadcrumb span {
  margin: 0 8px;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 10px 25px rgba(31, 59, 77, 0.06);
  transition: 0.25s ease;
}

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

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(79, 159, 200, 0.12);
  color: var(--dental-blue);
  display: grid;
  place-items: center;
  font-weight: 900;
  margin-bottom: 18px;
}

.info-list {
  display: grid;
  gap: 14px;
}

.info-list li {
  padding-left: 26px;
  position: relative;
}

.info-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--fresh-green);
}

.cta {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--dark-navy), #2d6d89);
  color: var(--white);
}

.cta h2,
.cta h3 {
  color: var(--white);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cta p {
  color: rgba(255, 255, 255, 0.82);
  max-width: 680px;
}

.form {
  display: grid;
  gap: 18px;
}

.form-group {
  display: grid;
  gap: 8px;
}

label {
  font-weight: 700;
  color: var(--dark-navy);
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  background: var(--white);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 3px solid rgba(79, 159, 200, 0.18);
  border-color: var(--dental-blue);
}

.form-message {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(122, 191, 58, 0.14);
  color: #44751f;
}

.form-message.error {
  display: block;
  background: rgba(220, 65, 65, 0.12);
  color: #b83232;
}

.site-footer {
  background: var(--dark-navy);
  color: rgba(255, 255, 255, 0.78);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 36px;
}

.footer-title {
  color: var(--white);
  font-weight: 800;
  margin-bottom: 14px;
  font-size: 18px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.78);
}

.site-footer a:hover {
  color: var(--white);
}

.footer-links {
  display: grid;
  gap: 9px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
}

.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.mt-24 {
  margin-top: 24px;
}

.mb-0 {
  margin-bottom: 0;
}

@media (max-width: 920px) {
  .menu-toggle {
    display: block;
  }

  .navbar,
  .nav-menu {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 82px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }

  .mobile-menu-open .navbar,
  .mobile-menu-open .nav-menu {
    display: flex;
  }

  .navbar a,
  .nav-menu a {
    padding: 13px 14px;
  }

  .hero {
    padding: 76px 0;
  }

  .hero-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

  .section {
    padding: 62px 0;
  }

  .header-inner {
    min-height: 74px;
  }

  .navbar,
  .nav-menu {
    top: 74px;
  }

  .hero {
    padding: 58px 0;
  }

  .hero-actions,
  .footer-bottom {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .card,
  .hero-card {
    padding: 22px;
  }
}