:root {
  --font-display: "DM Serif Display", serif;
  --font-body: "DM Sans", sans-serif;
  --page-bg:
    radial-gradient(circle at 90% 6%, rgba(8, 145, 178, 0.14), transparent 22%),
    radial-gradient(circle at 6% 80%, rgba(12, 61, 107, 0.1), transparent 26%),
    linear-gradient(180deg, #f0f8ff 0%, #e8f4fb 100%);
  --page-text: #0a2540;
  --page-muted: #4b6e8c;
  --page-line: rgba(10, 37, 64, 0.1);
  --page-surface: rgba(255, 255, 255, 0.9);
  --page-shadow: 0 22px 64px rgba(10, 37, 64, 0.1);
  --accent-strong: #0a2540;
  --accent-primary: #0891b2;
  --accent-light: #e0f2fe;
}

/* ── texture ── */
.odonto-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(8, 145, 178, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 145, 178, 0.03) 1px, transparent 1px);
  background-size: 34px 34px;
}

/* ── demo bar ── */
.demo-bar {
  padding: 10px 0;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(90deg, #0c3d6b, #0891b2);
  letter-spacing: 0.04em;
}

/* ── header ── */
.segment-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 16px 0 0;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.segment-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
  padding: 0 22px;
}

.segment-brand { display: grid; gap: 2px; }

.segment-brand strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--accent-strong);
}

.segment-brand span {
  font-size: 0.76rem;
  color: var(--page-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.segment-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.segment-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: #4b6e8c;
  transition: color 0.2s ease;
}

.segment-links a:hover { color: var(--accent-primary); }

.segment-main { padding-bottom: 56px; }

/* ── hero ── */
.hero-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 22px;
  padding: 38px 0 26px;
}

.hero-copy,
.hero-visual { padding: 44px; }

.hero-copy .eyebrow { color: var(--accent-primary); }

.hero-title {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.5vw, 5.2rem);
  line-height: 0.9;
  color: var(--accent-strong);
}

.hero-title em {
  color: var(--accent-primary);
  font-style: normal;
}

.hero-copy > p {
  margin: 18px 0 0;
  max-width: 520px;
  color: var(--page-muted);
  font-size: 1rem;
  line-height: 1.65;
}

.hero-copy .button-row { margin-top: 28px; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--accent-light);
  border: 1px solid rgba(8, 145, 178, 0.2);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--accent-strong);
}

/* hero visual (dark panel) */
.hero-visual {
  display: grid;
  gap: 16px;
  align-content: start;
  background: linear-gradient(145deg, #0a2540 0%, #0c3d6b 60%, #0891b2 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero-visual::after {
  content: "";
  position: absolute;
  bottom: -50px;
  right: -50px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8, 145, 178, 0.3), transparent 70%);
  pointer-events: none;
}

.visual-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.visual-topline strong { color: #fff; }

.visual-stack {
  display: grid;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.visual-item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.visual-item strong { font-size: 1rem; }

.visual-item p {
  margin: 0;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.5;
}

.visual-note {
  position: relative;
  z-index: 1;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.55;
}

/* ── stats strip ── */
.stats-strip { padding: 8px 0 16px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stats-grid article {
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(8, 145, 178, 0.1);
  text-align: center;
  transition: transform 0.22s ease;
}

.stats-grid article:hover { transform: translateY(-3px); }

.stats-grid strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--accent-primary);
}

.stats-grid span {
  display: block;
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--page-muted);
}

/* ── especialidades ── */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.spec-card {
  padding: 28px;
  transition: transform 0.22s ease;
}

.spec-card:hover { transform: translateY(-4px); }

.spec-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: var(--accent-light);
  color: var(--accent-primary);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.spec-card h3 {
  margin: 16px 0 0;
  font-size: 1.1rem;
  color: var(--accent-strong);
}

.spec-card p {
  margin: 10px 0 0;
  color: var(--page-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── differentials ── */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.diff-card {
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.diff-card::before {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8, 145, 178, 0.1), transparent 70%);
}

.diff-num {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: rgba(8, 145, 178, 0.12);
  font-weight: 700;
}

.diff-card h3 {
  margin: -8px 0 0;
  font-size: 1.2rem;
  color: var(--accent-strong);
}

.diff-card p {
  margin: 12px 0 0;
  color: var(--page-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── technology ── */
.tech-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  align-items: center;
}

.tech-copy { padding: 36px; }

.tech-copy .eyebrow { color: var(--accent-primary); }

.tech-copy h2 {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.9;
  color: var(--accent-strong);
}

.tech-copy > p {
  margin: 16px 0 0;
  color: var(--page-muted);
  line-height: 1.65;
}

.tech-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
  list-style: none;
  padding: 0;
}

.tech-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(10, 37, 64, 0.08);
}

.tech-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--accent-primary);
}

.tech-list strong { display: block; font-size: 0.95rem; }
.tech-list span   { color: var(--page-muted); font-size: 0.88rem; }

.tech-panel { padding: 32px; }

.tech-feature-grid {
  display: grid;
  gap: 12px;
}

.tech-feature {
  display: grid;
  gap: 6px;
  padding: 20px;
  border-radius: 22px;
  background: var(--accent-light);
  border: 1px solid rgba(8, 145, 178, 0.14);
}

.tech-feature strong { font-size: 1rem; color: var(--accent-strong); }
.tech-feature p { margin: 0; color: var(--page-muted); font-size: 0.88rem; }

/* ── reviews ── */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.review-card { padding: 28px; }

.review-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--accent-strong);
}

.review-card p {
  margin: 12px 0 0;
  color: var(--page-muted);
  font-size: 0.88rem;
}

.review-card strong,
.review-card span { display: block; }

.review-card strong { margin-top: 18px; font-size: 0.92rem; }
.review-card span   { color: var(--page-muted); font-size: 0.8rem; }

/* ── contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 22px;
}

.contact-copy,
.contact-card { padding: 34px; }

.contact-copy .eyebrow { color: var(--accent-primary); }

.contact-copy h2 {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.92;
  color: var(--accent-strong);
}

.contact-copy > p {
  margin: 16px 0 0;
  color: var(--page-muted);
  line-height: 1.65;
}

.contact-points {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.contact-points article {
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(10, 37, 64, 0.08);
}

.contact-points strong,
.contact-points span { display: block; }
.contact-points span { color: var(--page-muted); font-size: 0.9rem; margin-top: 3px; }

/* ── responsive ── */
@media (max-width: 900px) {
  .segment-links,
  .segment-nav > .btn { display: none; }

  .hero-layout,
  .spec-grid,
  .diff-grid,
  .tech-grid,
  .review-grid,
  .contact-grid,
  .stats-grid { grid-template-columns: 1fr; }

  .hero-copy,
  .hero-visual,
  .spec-card,
  .diff-card,
  .tech-copy,
  .tech-panel,
  .review-card,
  .contact-copy,
  .contact-card { padding: 24px; }
}