:root {
  --cream: #F5F1EA;
  --cream-soft: #FFFDF9;
  --teal-900: #134E4A;
  --teal-700: #0F766E;
  --teal-50: rgba(19, 78, 74, 0.06);
  --teal-100: rgba(19, 78, 74, 0.12);
  --ink: #0C0A09;
  --slate-900: #1E293B;
  --slate-700: #334155;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50: #F8FAFC;
  --white: #FFFFFF;
  --shadow-card: 0 28px 70px -20px rgba(60, 40, 20, 0.22), 0 10px 30px -10px rgba(60, 40, 20, 0.12);
  --shadow-soft: 0 4px 20px -8px rgba(60, 40, 20, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--slate-900);
  background: var(--cream);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ======================== HEADER ======================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 241, 234, 0.85);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid rgba(12, 10, 9, 0.06);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo-link { display: flex; align-items: center; }
.logo-link svg { height: 32px; width: auto; }
.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--slate-700);
}
.header-nav a { transition: color 0.15s; }
.header-nav a:hover { color: var(--teal-900); }
.header-cta {
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  background: var(--teal-900);
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
}
.header-cta:hover { background: var(--ink); }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; color: var(--ink); }

/* ======================== HERO ======================== */
.hero {
  padding: 80px 32px 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(15, 118, 110, 0.08), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(245, 230, 200, 0.4), transparent 50%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 72px;
  align-items: center;
  position: relative;
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-900);
  background: var(--teal-50);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: italic;
  font-family: 'Great Vibes', cursive;
  font-weight: 400;
  color: var(--teal-900);
  font-size: 1.05em;
  letter-spacing: 0;
}
.hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--slate-700);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

/* ======================== BOTOES ======================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--teal-900);
  color: var(--white);
  box-shadow: 0 4px 14px -4px rgba(19, 78, 74, 0.4);
}
.btn-primary:hover {
  background: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -4px rgba(19, 78, 74, 0.5);
}
.btn-ghost {
  background: var(--white);
  color: var(--slate-900);
  border: 1px solid var(--slate-200);
}
.btn-ghost:hover {
  border-color: var(--teal-900);
  color: var(--teal-900);
}
.btn-icon { width: 18px; height: 18px; flex-shrink: 0; }

/* ======================== HERO MOCKUP ======================== */
.hero-mockup {
  position: relative;
}
.doc-mockup {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 36px 40px;
  position: relative;
  transform: rotate(0.5deg);
  border: 1px solid rgba(255, 255, 255, 0.8);
}
.doc-mockup::before {
  content: '';
  position: absolute;
  inset: -8px -8px auto auto;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.12), transparent 70%);
  z-index: -1;
}
.doc-clinic {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate-900);
  margin-bottom: 2px;
}
.doc-clinic-sub {
  font-size: 11px;
  color: var(--slate-500);
  margin-bottom: 24px;
}
.doc-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--slate-900);
  margin-bottom: 4px;
}
.doc-patient {
  font-size: 12px;
  color: var(--slate-500);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--slate-200);
}
.doc-section { margin-bottom: 18px; }
.doc-label {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-900);
  margin-bottom: 6px;
}
.doc-text {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--slate-700);
}
.doc-invest {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 4px;
}
.doc-invest-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--slate-700);
  padding: 2px 0;
}
.doc-invest-total {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 13px;
  color: var(--slate-900);
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--slate-200);
}
.doc-foot {
  margin-top: 24px;
  font-size: 11px;
  color: var(--slate-400);
  font-style: italic;
}

/* ======================== SECTIONS ======================== */
.section {
  padding: 88px 32px;
  position: relative;
}
.section-narrow { padding: 72px 32px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-narrow .section-inner { max-width: 880px; }

.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head .eyebrow { margin-bottom: 18px; }
.section-head h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.section-head p {
  font-size: 18px;
  color: var(--slate-700);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.55;
}

.section-cream { background: var(--cream); }
.section-white { background: var(--white); }

/* ======================== PROBLEM ======================== */
.problem {
  background: var(--white);
  border-top: 1px solid var(--slate-200);
  border-bottom: 1px solid var(--slate-200);
}
.problem-inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.problem-quote {
  font-family: 'Playfair Display', serif;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}
.problem-quote::before { content: '"'; color: var(--teal-700); margin-right: 4px; }
.problem-quote::after { content: '"'; color: var(--teal-700); margin-left: 4px; }
.problem-source {
  font-size: 14px;
  color: var(--slate-500);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.problem-body {
  margin-top: 36px;
  font-size: 17px;
  color: var(--slate-700);
  line-height: 1.65;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* ======================== FEATURES ======================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--cream-soft);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.2s;
}
.feature-card:hover {
  border-color: var(--teal-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.feature-num {
  font-family: 'Playfair Display', serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--teal-700);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.feature-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--slate-700);
}
.feature-tags {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.feature-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--teal-50);
  color: var(--teal-900);
}

/* ======================== PROTOCOL DEEP DIVE ======================== */
.protocol-deep {
  background: var(--cream);
  position: relative;
  overflow: hidden;
}
.protocol-deep::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(19, 78, 74, 0.05), transparent 60%);
  pointer-events: none;
}
.protocol-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.protocol-content h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.protocol-content > p {
  font-size: 17px;
  color: var(--slate-700);
  line-height: 1.6;
  margin-bottom: 28px;
}
.protocol-steps {
  list-style: none;
  counter-reset: step;
}
.protocol-steps li {
  counter-increment: step;
  position: relative;
  padding: 14px 0 14px 56px;
  font-size: 15.5px;
  color: var(--slate-900);
  border-bottom: 1px solid var(--slate-200);
}
.protocol-steps li:last-child { border-bottom: none; }
.protocol-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: 'Playfair Display', serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--teal-700);
  background: var(--white);
  border: 1px solid var(--slate-200);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
}
.protocol-closing {
  margin-top: 28px;
  padding: 18px 22px;
  background: var(--teal-50);
  border-left: 3px solid var(--teal-700);
  border-radius: 4px;
  font-size: 15px;
  color: var(--slate-900);
  line-height: 1.55;
}

.protocol-mockup {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 44px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.8);
}
.protocol-mockup .doc-section { margin-bottom: 22px; }

/* ======================== TRUST ======================== */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.trust-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: left;
  transition: border-color 0.15s;
}
.trust-card:hover { border-color: var(--teal-700); }
.trust-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--teal-50);
  color: var(--teal-900);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.trust-icon svg { width: 20px; height: 20px; }
.trust-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.trust-card p {
  font-size: 14px;
  color: var(--slate-700);
  line-height: 1.55;
}

/* ======================== VALIDATION ======================== */
.validation {
  background: var(--white);
  border-top: 1px solid var(--slate-200);
}
.validation-inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.validation .eyebrow { margin-bottom: 24px; }
.validation h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.validation p {
  font-size: 17px;
  color: var(--slate-700);
  line-height: 1.6;
  max-width: 640px;
  margin: 0 auto;
}
.validation-specialties {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.spec-pill {
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--cream);
  border: 1px solid var(--slate-200);
  color: var(--slate-700);
}

/* ======================== CTA FINAL ======================== */
.cta-final {
  padding: 96px 32px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-soft) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(19, 78, 74, 0.08), transparent 60%);
  pointer-events: none;
}
.cta-final-inner {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}
.cta-final h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.cta-final h2 em {
  font-family: 'Great Vibes', cursive;
  font-style: italic;
  font-weight: 400;
  color: var(--teal-900);
  font-size: 1.1em;
  letter-spacing: 0;
}
.cta-final p {
  font-size: 18px;
  color: var(--slate-700);
  line-height: 1.55;
  margin-bottom: 36px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}
.cta-final .hero-ctas { justify-content: center; }
.cta-contact-line {
  margin-top: 28px;
  font-size: 14px;
  color: var(--slate-500);
}
.cta-contact-line a {
  color: var(--teal-900);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ======================== FOOTER ======================== */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 32px 32px;
  font-size: 14px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand .logo-link svg { height: 28px; }
.footer-brand p {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}
.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: color 0.15s;
}
.footer-col a:hover { color: rgba(255, 255, 255, 0.95); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.4);
}

/* ======================== UTIL ======================== */
.fade-in { opacity: 1; transform: none; }

/* ======================== RESPONSIVE ======================== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .protocol-grid { grid-template-columns: 1fr; gap: 40px; }
  .protocol-mockup { order: -1; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .header-inner { padding: 14px 20px; }
  .header-nav { display: none; position: fixed; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--cream-soft); border-bottom: 1px solid var(--slate-200); padding: 8px 0; }
  .header-nav.is-open { display: flex; }
  .header-nav a { padding: 14px 24px; border-bottom: 1px solid var(--slate-200); }
  .header-nav .header-cta { margin: 12px 24px; padding: 12px 16px; text-align: center; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; padding: 8px; }
  .hero { padding: 48px 20px 64px; }
  .section { padding: 64px 20px; }
  .section-narrow { padding: 56px 20px; }
  .cta-final { padding: 64px 20px; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .doc-mockup, .protocol-mockup { padding: 24px 22px; }
  .hero-ctas .btn { flex: 1; min-width: 140px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .fade-in { opacity: 1; transform: none; }
}
