/* ---------- Reset & base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0f1b2d;
  --navy-light: #17263d;
  --slate: #3b4a5e;
  --slate-light: #64748b;
  --accent: #3d7bfa;
  --accent-dark: #2a5fd9;
  --bg: #f7f8fa;
  --white: #ffffff;
  --border: #e2e6ec;
  --radius: 10px;
  --max-width: 1100px;
  --shadow: 0 4px 20px rgba(15, 27, 45, 0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--navy);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
}
.eyebrow-center { text-align: center; }

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 16px;
}
.section-title-left { text-align: left; }

.section-sub {
  max-width: 620px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--slate-light);
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(61, 123, 250, 0.35);
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: inherit;
}
.hero .btn-ghost { color: var(--white); }
.hero .btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }

.btn-small { padding: 10px 20px; font-size: 0.88rem; }
.btn-full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 248, 250, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--navy);
}
.logo span { color: var(--accent); }

.nav {
  display: flex;
  gap: 32px;
}
.nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--slate);
}
.nav a:hover { color: var(--accent); }

.nav-cta { margin-left: 24px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(circle at top right, var(--navy-light), var(--navy) 65%);
  color: var(--white);
  padding: 100px 0 90px;
  text-align: center;
}

.hero-inner { max-width: 760px; margin: 0 auto; }

.hero .eyebrow { color: #8fb3ff; }

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- X-Ray offer ---------- */
.xray {
  padding: 100px 0;
}

.xray-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.xray-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
}

.xray-number {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.xray-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.xray-card p {
  color: var(--slate-light);
  font-size: 0.96rem;
}

.xray-details {
  background: var(--navy);
  color: var(--white);
  border-radius: 16px;
  padding: 48px;
  text-align: center;
}

.xray-details h3 {
  font-size: 1.3rem;
  margin-bottom: 22px;
}

.checklist {
  max-width: 520px;
  margin: 0 auto 32px;
  text-align: left;
}

.checklist li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 800;
}

/* ---------- About ---------- */
.about {
  padding: 100px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  color: var(--slate-light);
  margin-bottom: 16px;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.stat-number {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--navy);
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  color: var(--slate-light);
  margin-top: 4px;
}

/* ---------- Contact ---------- */
.contact { padding: 100px 0; }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-copy p {
  color: var(--slate-light);
  margin-bottom: 28px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-weight: 600;
}
.contact-info a:hover { color: var(--accent); }

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-form label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate);
  margin-top: 14px;
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--navy);
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
}

.contact-form button { margin-top: 24px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.65);
  padding: 28px 0;
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .xray-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .xray-details { padding: 36px 24px; }
}

@media (max-width: 720px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 72px 0 64px; }
  .xray, .about, .contact { padding: 72px 0; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; text-align: center; }
  .xray-details { padding: 28px 18px; }
}