/* ==========================================================================
   Ablação Transperineal da Próstata — Interventix
   Estética médica premium: dark navy/grafite + ciano, tipografia Manrope/Inter
   ========================================================================== */

:root {
  --navy-950: #060c17;
  --navy-900: #0a1220;
  --navy-800: #0f1b2e;
  --navy-700: #16283f;
  --slate-100: #f4f7fa;
  --slate-200: #e7edf3;
  --slate-500: #64748b;
  --slate-600: #475569;
  --ink: #0b1220;
  --cyan-400: #22d3ee;
  --cyan-300: #67e8f9;
  --teal-500: #0e9aa8;
  --white: #ffffff;

  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;

  --container-w: 1140px;
  --radius: 14px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--slate-100);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.01em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-400), var(--teal-500));
  color: var(--navy-950);
  box-shadow: 0 10px 30px -10px rgba(34, 211, 238, 0.55);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px -8px rgba(34, 211, 238, 0.7);
}

.btn-large {
  padding: 18px 38px;
  font-size: 1.05rem;
}

.btn-small {
  padding: 10px 20px;
  font-size: 0.9rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 12, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(103, 232, 249, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand-logo {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}

.header-cta { flex-shrink: 0; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
}

.lang-link {
  color: #94a3b8;
  padding: 4px 6px;
  border-radius: 6px;
  transition: color var(--transition);
}

.lang-link:hover { color: var(--cyan-300); }

.lang-link.lang-active {
  color: var(--cyan-400);
}

.lang-sep {
  color: #475569;
  font-size: 0.8rem;
}

/* ---------- Scan lines background element (ultrasound feel) ---------- */
.scan-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(103, 232, 249, 0.05) 0px, rgba(103, 232, 249, 0.05) 1px, transparent 1px, transparent 48px),
    repeating-linear-gradient(90deg, rgba(103, 232, 249, 0.05) 0px, rgba(103, 232, 249, 0.05) 1px, transparent 1px, transparent 48px);
  z-index: 0;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: radial-gradient(ellipse at 20% -10%, rgba(34, 211, 238, 0.18), transparent 55%),
              linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 60%, var(--navy-800) 100%);
  color: var(--white);
  padding: 90px 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-300);
  border: 1px solid rgba(103, 232, 249, 0.35);
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  line-height: 1.12;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #ffffff 40%, var(--cyan-300));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  font-weight: 600;
  color: var(--cyan-300);
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.05rem;
  color: #cbd5e1;
  max-width: 680px;
  margin: 0 auto 44px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 44px;
}

.fact-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(103, 232, 249, 0.18);
  border-radius: var(--radius);
  padding: 22px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.fact-card i {
  font-size: 1.4rem;
  color: var(--cyan-400);
  margin-bottom: 4px;
}

.fact-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--white);
}

.fact-value small { font-weight: 600; font-size: 0.7em; color: #a8b6c8; }

.fact-label {
  font-size: 0.78rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Highlight strip ---------- */
.highlight-strip {
  background: var(--navy-800);
  border-top: 1px solid rgba(103, 232, 249, 0.15);
  border-bottom: 1px solid rgba(103, 232, 249, 0.15);
  padding: 28px 0;
}

.highlight-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 700;
}

.hl-number {
  font-size: 1.6rem;
  color: var(--cyan-400);
}

.hl-icon { color: var(--cyan-400); font-size: 1.2rem; }

.hl-text { font-size: 0.95rem; color: #e2e8f0; }

.highlight-sep {
  width: 1px;
  height: 24px;
  background: rgba(148, 163, 184, 0.3);
}

/* ---------- Sections generic ---------- */
.section { padding: 88px 0; }
.section-light { background: var(--slate-100); color: var(--ink); }
.section-dark {
  background: linear-gradient(180deg, var(--navy-900), var(--navy-800));
  color: var(--white);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal-500);
  margin-bottom: 12px;
}

.section-tag-light { color: var(--cyan-300); }

.section-title {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  margin-bottom: 28px;
  max-width: 780px;
}

.section-title-light { color: var(--white); }

.section-lead {
  font-size: 1.05rem;
  color: var(--slate-600);
  max-width: 720px;
  margin-bottom: 44px;
}

.section-lead-light { color: #cbd5e1; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  gap: 20px;
  max-width: 820px;
}

.about-text {
  font-size: 1.08rem;
  color: var(--slate-600);
}

/* ---------- Audience ---------- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.audience-grid:has(.audience-card:only-child) {
  grid-template-columns: 1fr;
  max-width: 360px;
}

.audience-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(103, 232, 249, 0.15);
  border-radius: var(--radius);
  padding: 34px 24px;
  text-align: center;
}

.audience-card i {
  font-size: 2rem;
  color: var(--cyan-400);
  margin-bottom: 16px;
}

.audience-card p {
  font-size: 1.02rem;
  font-weight: 500;
  color: #e2e8f0;
}

/* ---------- Learn grid ---------- */
.learn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.learn-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 24px 22px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.learn-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px -14px rgba(15, 27, 46, 0.25);
}

.learn-num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--cyan-400);
  -webkit-text-stroke: 1px var(--teal-500);
}

.learn-card p {
  font-size: 0.98rem;
  color: var(--slate-600);
  font-weight: 500;
}

/* ---------- Metodologia ---------- */
.method-columns {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: start;
  margin-bottom: 44px;
}

.method-col {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(103, 232, 249, 0.18);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.method-col-header {
  margin-bottom: 24px;
}

.method-col-header i {
  font-size: 1.7rem;
  color: var(--cyan-400);
  margin-bottom: 12px;
  display: block;
}

.method-col-header h3 {
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 6px;
}

.method-col-header span {
  font-size: 0.88rem;
  color: #94a3b8;
}

.method-modules {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.method-modules li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.96rem;
  color: #e2e8f0;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.method-modules li:last-child { border-bottom: none; padding-bottom: 0; }

.method-modules li span {
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--cyan-400);
  min-width: 26px;
}

.method-note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: #94a3b8;
  padding-top: 16px;
  border-top: 1px dashed rgba(148, 163, 184, 0.3);
}

.method-note strong { color: var(--cyan-300); }

.method-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.method-tags li {
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: var(--cyan-300);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 999px;
}

.method-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-400);
  font-size: 1.6rem;
  padding-top: 60px;
}

.cta-inline {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}

/* ---------- Casos clínicos / flow ---------- */
.flow-track {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 118px;
  text-align: center;
}

.flow-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--cyan-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 8px 20px -8px rgba(15, 27, 46, 0.4);
}

.flow-step p {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-600);
}

.flow-connector {
  width: 28px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--teal-500) 0 6px, transparent 6px 10px);
  flex-shrink: 0;
}

.ethics-notice {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--white);
  border-left: 4px solid var(--teal-500);
  border-radius: 10px;
  padding: 22px 26px;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: 0 6px 18px -12px rgba(15, 27, 46, 0.2);
}

.ethics-notice i {
  color: var(--teal-500);
  font-size: 1.3rem;
  margin-top: 2px;
}

.ethics-notice p {
  font-size: 0.92rem;
  color: var(--slate-600);
  font-style: italic;
}

/* ---------- Diferenciais ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 40px;
}

.diff-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(103, 232, 249, 0.15);
  border-radius: var(--radius);
  padding: 30px 26px;
}

.diff-card i {
  font-size: 1.6rem;
  color: var(--cyan-400);
  margin-bottom: 16px;
}

.diff-card h3 {
  font-size: 1.08rem;
  color: var(--white);
  margin-bottom: 10px;
}

.diff-card p {
  font-size: 0.92rem;
  color: #a8b6c8;
}

/* ---------- Faculty ---------- */
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.faculty-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 34px;
  text-align: center;
}

.faculty-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  border: 3px solid var(--cyan-400);
}

.faculty-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.faculty-card h3 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.faculty-role {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--teal-500);
  font-weight: 700;
  margin-bottom: 16px;
}

.faculty-bio {
  font-size: 0.92rem;
  color: var(--slate-600);
  text-align: left;
}

.faculty-bio + .faculty-bio {
  margin-top: 14px;
}

/* ---------- Investimento ---------- */
.investment-container { text-align: center; }
.investment-container .section-title,
.investment-container .section-lead { margin-left: auto; margin-right: auto; }

.investment-card {
  max-width: 620px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(103, 232, 249, 0.25);
  border-radius: var(--radius);
  padding: 44px 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.investment-value, .investment-terms {
  width: 100%;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.investment-terms { border-bottom: none; padding-bottom: 0; }

.investment-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
  margin-bottom: 8px;
}

.investment-price {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  color: var(--cyan-300);
}

.investment-price-consult {
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

.investment-terms p { color: #cbd5e1; font-size: 0.95rem; }

.investment-terms p a {
  color: var(--cyan-300);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- FAQ / Accordion ---------- */
.accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.accordion-item {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--ink);
  text-align: left;
}

.accordion-header i {
  color: var(--teal-500);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.accordion-item.active .accordion-header i { transform: rotate(45deg); }

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding var(--transition);
  padding: 0 24px;
}

.accordion-item.active .accordion-content {
  padding: 0 24px 22px;
}

.accordion-content p {
  font-size: 0.94rem;
  color: var(--slate-600);
}

/* ---------- Final CTA ---------- */
.final-cta {
  position: relative;
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
  padding: 90px 0;
  text-align: center;
  overflow: hidden;
}

.final-cta-inner { position: relative; z-index: 1; }

.closing-signature {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  color: var(--white);
  line-height: 1.6;
  margin-bottom: 36px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-950);
  padding: 50px 0 30px;
  text-align: center;
}

.footer-logo {
  height: 44px;
  width: auto;
  margin: 0 auto 20px;
  filter: brightness(0) invert(1);
}

.footer-address {
  color: #94a3b8;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.footer-contacts {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.footer-contacts a {
  color: var(--cyan-300);
  font-size: 0.92rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-copy {
  color: #64748b;
  font-size: 0.8rem;
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 10px 26px -8px rgba(37, 211, 102, 0.6);
  z-index: 200;
  animation: pulse-whatsapp 2.6s infinite;
}

@keyframes pulse-whatsapp {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   Responsive — mobile-first priority
   ========================================================================== */

@media (max-width: 900px) {
  .hero-facts { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: 1fr; }
  .learn-grid { grid-template-columns: repeat(2, 1fr); }
  .method-columns { grid-template-columns: 1fr; }
  .method-arrow { transform: rotate(90deg); padding-top: 0; }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .faculty-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 60px 0; }
  .hero { padding: 60px 0 56px; }
  .hero-facts { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .fact-card { padding: 16px 8px; }
  .learn-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .highlight-strip-inner { gap: 14px; }
  .highlight-sep { display: none; }
  .flow-step { width: 92px; }
  .flow-icon { width: 50px; height: 50px; font-size: 1.1rem; }
  .flow-connector { width: 14px; }
  .btn-large { padding: 16px 26px; font-size: 0.98rem; width: 100%; }
  .header-cta span { display: none; }
  .brand-logo { height: 32px; }
  .header-right { gap: 10px; }
  .lang-switch { font-size: 0.75rem; }
  .header-cta { padding: 8px 14px; font-size: 0.8rem; }
  .whatsapp-float { width: 54px; height: 54px; font-size: 1.6rem; bottom: 18px; right: 18px; }
  .investment-card { padding: 32px 22px; }
  .faculty-bio { text-align: center; }
}