/* ============================================
   MEDPERIO PROTOCOLS - SCIENTIFIC MINIMALISM
   Color Palette: Dark Navy, Steel Gray, White, Ice
   ============================================ */

:root {
  /* PRIMARY COLORS */
  --medperio-dark-navy: #1A2B3C;
  --medperio-steel-gray: #4A5568;
  --medperio-white: #FFFFFF;
  --medperio-ice: #F7FAFC;

  /* ACCENT COLORS */
  --medperio-accent-strong: #FFD700; /* Gold for Strong evidence */
  --medperio-accent-moderate: #C0C0C0; /* Silver for Moderate */
  --medperio-accent-light: #ADD8E6; /* Light blue for info */

  /* SPACING */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* SHADOWS */
  --shadow-sm: 0 1px 3px rgba(26, 43, 60, 0.08);
  --shadow-md: 0 4px 12px rgba(26, 43, 60, 0.12);
  --shadow-lg: 0 12px 32px rgba(26, 43, 60, 0.16);

  /* BORDER RADIUS */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--medperio-ice);
  color: var(--medperio-dark-navy);
  line-height: 1.6;
  font-size: 1rem;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  font-weight: 600;
}

.font-lora {
  font-family: "Lora", serif;
}

.font-inter {
  font-family: "Inter", sans-serif;
}

p {
  margin-bottom: 1rem;
  color: var(--medperio-steel-gray);
  line-height: 1.7;
  text-align: justify;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  color: var(--medperio-steel-gray);
}

ul li, ol li {
  margin-bottom: 0.6rem;
  line-height: 1.7;
}

strong, b {
  color: var(--medperio-dark-navy);
  font-weight: 600;
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.fade-in:nth-child(1) {
  animation-delay: 0.1s;
}

.fade-in:nth-child(2) {
  animation-delay: 0.2s;
}

.fade-in:nth-child(3) {
  animation-delay: 0.3s;
}

/* Smooth transitions for interactive elements */
button,
a,
input,
select,
textarea {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  z-index: 100;
}

header a,
header button {
  text-decoration: none;
  cursor: pointer;
}

.nav-link {
  position: relative;
  text-decoration: none;
  font-weight: 500;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--medperio-dark-navy);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile Menu Styles */
.mobile-menu {
  border-top: 1px solid var(--medperio-steel-gray)/10;
  background-color: rgba(255, 255, 255, 0.98);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.active {
  max-height: 500px;
  opacity: 1;
  visibility: visible;
  padding: 1rem;
}

.mobile-menu-link {
  display: block;
  padding: 1rem;
  color: #4A5568;
  text-decoration: none;
  border-bottom: 1px solid rgba(74, 85, 104, 0.1);
  transition: all 0.2s;
  font-weight: 500;
}

.mobile-menu-link:first-child {
  color: #1A2B3C;
  font-weight: 600;
}

.mobile-menu-link:hover {
  background-color: rgba(247, 250, 252, 0.5);
  color: #1A2B3C;
}

.mobile-menu-link:last-child {
  border-bottom: none;
}

/* Mobile Menu Toggle */
#mobile-menu {
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              opacity 0.3s ease, 
              visibility 0.3s ease;
}

#mobile-menu-toggle span {
  transition: all 0.3s ease;
  transform-origin: center;
}

#mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

#mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   BUTTONS & INTERACTIVE ELEMENTS
   ============================================ */

button {
  border: none;
  outline: none;
  cursor: pointer;
  font-family: inherit;
}

button:active {
  transform: scale(0.98);
}

/* Primary Button */
button.primary,
button[class*="bg-medperio-dark-navy"] {
  background-color: var(--medperio-dark-navy);
  color: var(--medperio-white);
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
}

button.primary:hover,
button[class*="bg-medperio-dark-navy"]:hover {
  filter: brightness(1.05);
  box-shadow: var(--shadow-md);
}

/* Outline Button */
button.outline,
button[class*="border-medperio-dark-navy"] {
  background-color: transparent;
  border: 2px solid var(--medperio-dark-navy);
  color: var(--medperio-dark-navy);
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
}

button.outline:hover,
button[class*="border-medperio-dark-navy"]:hover {
  background-color: var(--medperio-dark-navy);
  color: var(--medperio-white);
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */

article,
section,
.card {
  background-color: var(--medperio-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

article:hover,
section:hover,
.card:hover {
  box-shadow: var(--shadow-md);
}

/* Section text alignment */
section p,
article p {
  text-align: left;
  margin-bottom: 1rem;
}

section ul,
article ul,
section ol,
article ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

section li,
article li {
  margin-bottom: 0.6rem;
  line-height: 1.7;
}

section h3,
article h3 {
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

section h3:first-child,
article h3:first-child {
  margin-top: 0;
}

/* ============================================
   TABLES
   ============================================ */

table {
  border-collapse: collapse;
  width: 100%;
}

thead {
  background-color: var(--medperio-dark-navy);
  color: var(--medperio-white);
}

th {
  padding: 1rem 1.5rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
}

th:hover {
  background-color: rgba(26, 43, 60, 0.9);
}

td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(74, 85, 104, 0.1);
  color: var(--medperio-steel-gray);
}

tbody tr:hover {
  background-color: var(--medperio-ice);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ============================================
   FORMS
   ============================================ */

input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(74, 85, 104, 0.2);
  border-radius: var(--radius-md);
  background-color: var(--medperio-white);
  color: var(--medperio-dark-navy);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--medperio-dark-navy);
  box-shadow: 0 0 0 3px rgba(26, 43, 60, 0.1);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231A2B3C' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.page-section {
  animation: fadeIn 0.5s ease-out;
}

/* Hide mobile menu on desktop.
   IMPORTANT: must match the Tailwind `lg` breakpoint (1024px) used by the
   markup (`hidden lg:flex` desktop nav / `lg:hidden` hamburger). Using 769px
   here created a dead zone (769–1023px) with no navigation at all. */
@media (min-width: 1024px) {
  #mobile-menu {
    display: none !important;
  }

  #mobile-menu-toggle {
    display: none !important;
  }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  :root {
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.125rem;
  }

  body {
    font-size: 0.95rem;
  }

  /* Stack grid layouts on mobile */
  .grid {
    grid-template-columns: 1fr !important;
  }

  /* Adjust table for mobile */
  table {
    font-size: 0.875rem;
  }

  th,
  td {
    padding: 0.75rem 0.5rem;
  }

  /* Responsive spacing */
  main {
    padding: 1.5rem 1rem;
  }

  header {
    padding: 0.75rem 1rem;
  }

  #mobile-menu a {
    display: block;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--medperio-steel-gray)/10;
  }

  #mobile-menu a:last-child {
    border-bottom: none;
  }

  /* Improve text alignment on mobile */
  section p,
  article p {
    text-align: left;
    line-height: 1.6;
  }

  section ul,
  article ul,
  section ol,
  article ol {
    padding-left: 1.5rem;
  }

  section li,
  article li {
    margin-bottom: 0.5rem;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xs: 0.2rem;
    --spacing-sm: 0.4rem;
    --spacing-md: 0.6rem;
    --spacing-lg: 0.8rem;
    --spacing-xl: 1.2rem;
  }

  h1 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }

  h2 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
  }

  h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }

  body {
    font-size: 0.875rem;
  }

  main {
    padding: 1.25rem 0.75rem;
  }

  header {
    padding: 0.5rem 0.75rem;
  }

  #mobile-menu a {
    padding: 0.6rem 0.75rem;
    font-size: 0.875rem;
  }

  button {
    padding: 0.6rem 1rem;
    font-size: 0.875rem;
  }

  table {
    font-size: 0.75rem;
  }

  th,
  td {
    padding: 0.5rem 0.25rem;
  }

  article,
  section {
    padding: 1rem 0.75rem;
  }

  /* Prevent zoom on input focus on iOS */
  input,
  select,
  textarea {
    font-size: 1rem;
  }

  /* Improve list spacing */
  ul, ol {
    margin-left: 1rem;
    padding-left: 1.5rem;
  }

  li {
    margin-bottom: 0.3rem;
    line-height: 1.5;
  }

  p {
    text-align: left;
    line-height: 1.6;
  }

  section p,
  article p {
    text-align: left;
    line-height: 1.55;
    margin-bottom: 0.8rem;
  }

  section ul,
  article ul,
  section ol,
  article ol {
    padding-left: 1.5rem;
  }
}

/* Desktop styles for better alignment */
@media (min-width: 769px) {
  section, article {
    padding: 2rem;
  }

  section p,
  article p {
    text-align: left;
    line-height: 1.75;
    margin-bottom: 1.5rem;
  }

  section ul,
  article ul,
  section ol,
  article ol {
    padding-left: 2rem;
    margin-bottom: 1.5rem;
  }

  section li,
  article li {
    margin-bottom: 0.7rem;
    line-height: 1.75;
  }

  section h3,
  article h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
  }

  section h3:first-child,
  article h3:first-child {
    margin-top: 0;
  }
}

/* ============================================
   CLINICAL TOOLS — FERRAMENTAS CLÍNICAS
   ============================================ */

/* Document template styling */
.document-template {
  background: rgba(247, 250, 252, 0.5);
  border: 1px solid rgba(74, 85, 104, 0.15);
  border-radius: 8px;
  padding: 1.5rem;
  font-family: "Lora", serif;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #2d3748;
}

@media (max-width: 640px) {
  .document-template {
    padding: 1rem;
    font-size: 0.82rem;
  }
}

/* Mark/highlight tag in templates */
mark {
  background: #ffe066;
  padding: 0.1rem 0.25rem;
  border-radius: 3px;
  font-weight: 700;
  color: inherit;
}

/* Ensure table images fill their containers */
[class*="grid"] img {
  display: block;
  max-width: 100%;
}

/* PDF download gradient card link hover */
#btn-download-pdf:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(26,43,60,0.3);
}

/* ============================================
   MEDPERIO v2 — COMPONENT SYSTEM
   ============================================ */

/* --- Domain dividers (major blocks) --- */
.domain-divider {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border-radius: 1.5rem;
  padding: 1.75rem 2rem;
  color: #fff;
  box-shadow: var(--shadow-md);
  scroll-margin-top: 90px;
}
.domain-divider .domain-icon {
  font-size: 2.5rem;
  line-height: 1;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.25));
}
.domain-kicker {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}
.domain-title {
  margin: 0.15rem 0 0.25rem;
  font-family: "Inter", sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
}
.domain-sub {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.82);
  line-height: 1.5;
  text-align: left;
}
.domain-dm    { background: linear-gradient(120deg, #0E7C86 0%, #1A2B3C 100%); }
.domain-cv    { background: linear-gradient(120deg, #B91C1C 0%, #1A2B3C 100%); }
.domain-tools { background: linear-gradient(120deg, #4A5568 0%, #1A2B3C 100%); }

/* --- Section cards --- */
.section-card {
  position: relative;
  background: #fff;
  border-radius: 1.5rem;
  padding: 2rem 2rem 2.25rem;
  box-shadow: var(--shadow-sm);
  ring: 1px;
  border: 1px solid rgba(74,85,104,0.08);
  scroll-margin-top: 90px;
  transition: box-shadow 0.3s ease;
}
.section-card:hover { box-shadow: var(--shadow-md); }
@media (max-width: 640px) {
  .section-card { padding: 1.5rem 1.15rem 1.75rem; border-radius: 1.25rem; }
}

.section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.75rem;
  background: #0E7C86;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 0.85rem;
  box-shadow: var(--shadow-sm);
}
.section-num--cv { background: #B91C1C; }

.section-h2 {
  font-family: "Inter", sans-serif;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 700;
  color: var(--medperio-dark-navy);
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}
.lead {
  font-family: "Lora", serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--medperio-steel-gray);
  text-align: left;
  margin: 0.25rem 0 0;
}
.block-title {
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--medperio-dark-navy);
  margin: 0 0 0.85rem;
}
.block-subtitle {
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--medperio-dark-navy);
  margin: 0 0 0.4rem;
}

/* --- Info blocks --- */
.info-block {
  background: var(--medperio-ice);
  border: 1px solid rgba(74,85,104,0.08);
  border-radius: 1rem;
  padding: 1.5rem;
}
.info-block--danger  { border-left: 4px solid #B91C1C; }
.info-block--success { border-left: 4px solid #0E7C86; }

/* --- Lists --- */
ul.bullet {
  list-style: none;
  margin: 0;
  padding: 0;
}
ul.bullet li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.55rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--medperio-steel-gray);
}
ul.bullet li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #0E7C86;
}
ul.bullet li.sub { padding-left: 2.4rem; font-size: 0.88rem; }
ul.bullet li.sub::before { left: 1.1rem; background: var(--medperio-steel-gray); width: 0.35rem; height: 0.35rem; }

ol.numbered {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}
ol.numbered li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.65rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--medperio-steel-gray);
  counter-increment: step;
}
ol.numbered li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  background: var(--medperio-dark-navy);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
ol.numbered--steps li { margin-bottom: 0.85rem; }

/* --- Tables (data-table) --- */
.table-wrap {
  overflow-x: auto;
  border-radius: 1rem;
  border: 1px solid rgba(74,85,104,0.12);
  -webkit-overflow-scrolling: touch;
}
table.data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: #fff;
}
table.data-table thead tr {
  background: var(--medperio-dark-navy);
}
table.data-table th {
  padding: 0.85rem 1rem;
  text-align: left;
  color: #fff;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: default;
  white-space: nowrap;
}
table.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(74,85,104,0.1);
  color: var(--medperio-steel-gray);
  vertical-align: top;
  line-height: 1.5;
}
table.data-table tbody tr:nth-child(even) { background: var(--medperio-ice); }
table.data-table tbody tr:hover { background: rgba(14,124,134,0.06); }
table.data-table tbody tr:last-child td { border-bottom: none; }
table.data-table--compact { min-width: 0; font-size: 0.85rem; }
table.data-table--compact th,
table.data-table--compact td { padding: 0.6rem 0.75rem; white-space: normal; }
.cell-note { display: block; font-size: 0.72rem; font-weight: 400; color: #718096; margin-top: 0.15rem; }

/* --- Risk badges --- */
.risk-badge {
  display: inline-block;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}
.risk-green  { background: #DCFCE7; color: #166534; }
.risk-blue   { background: #DBEAFE; color: #1E40AF; }
.risk-yellow { background: #FEF3C7; color: #92400E; }
.risk-orange { background: #FFEDD5; color: #C2410C; }
.risk-red    { background: #FEE2E2; color: #B91C1C; }
.risk-gray   { background: #E5E7EB; color: #374151; }

/* --- Callouts --- */
.callout {
  display: flex;
  gap: 1rem;
  border-radius: 1rem;
  padding: 1.25rem 1.4rem;
  align-items: flex-start;
}
.callout .callout-icon { font-size: 1.4rem; line-height: 1.4; flex-shrink: 0; }
.callout .callout-title { font-weight: 700; color: var(--medperio-dark-navy); margin: 0 0 0.25rem; }
.callout p { margin: 0; text-align: left; font-size: 0.92rem; line-height: 1.6; }
.callout--warning { background: #FEF3C7; border-left: 4px solid #D97706; }
.callout--danger  { background: #FEE2E2; border-left: 4px solid #B91C1C; }
.callout--success { background: #DCFCE7; border-left: 4px solid #0E7C86; }
.callout--info    { background: #EFF6FF; border-left: 4px solid #2563EB; }

/* --- Emergency cards --- */
.emergency-card {
  background: #fff;
  border: 1.5px solid #FCA5A5;
  border-radius: 1rem;
  padding: 1.4rem;
  box-shadow: 0 4px 14px rgba(185,28,28,0.08);
}
.emergency-head {
  font-family: "Inter", sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  color: #B91C1C;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(185,28,28,0.15);
}
.emergency-tag {
  background: #FEE2E2;
  color: #B91C1C;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.danger-note {
  margin: 0.9rem 0 0;
  background: #B91C1C;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  padding: 0.55rem 0.75rem;
  border-radius: 0.6rem;
  letter-spacing: 0.02em;
}

/* --- Figures / images --- */
.img-figure {
  margin: 0;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(74,85,104,0.12);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.img-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.img-figure figcaption {
  padding: 0.7rem 1rem;
  font-size: 0.78rem;
  color: #718096;
  background: var(--medperio-ice);
  text-align: center;
  border-top: 1px solid rgba(74,85,104,0.08);
}

/* --- Carta Modelo --- */
.carta-modelo {
  border: 1px solid rgba(74,85,104,0.15);
  border-radius: 1rem;
  padding: 1.5rem 1.75rem;
  background: #fff;
  box-shadow: var(--shadow-sm);
  font-size: 0.88rem;
  line-height: 1.7;
  color: #2d3748;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.carta-titulo {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: var(--medperio-blue, #2b6cb0);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  margin: -1.5rem -1.75rem 0.5rem;
}
.carta-modelo ul {
  padding-left: 1.25rem;
  margin: 0;
}
.carta-modelo li {
  margin-bottom: 0.25rem;
}
.carta-destaque {
  color: #c0392b;
}
.carta-fechamento {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.carta-assinatura {
  text-align: right;
  font-weight: 600;
  font-size: 0.82rem;
}

/* --- References --- */
ol.refs {
  counter-reset: ref;
  list-style: none;
  margin: 0;
  padding: 0;
}
ol.refs li {
  position: relative;
  counter-increment: ref;
  padding: 0.75rem 0 0.75rem 2.5rem;
  border-bottom: 1px solid rgba(74,85,104,0.08);
  font-family: "Lora", serif;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--medperio-steel-gray);
  text-align: left;
}
ol.refs li::before {
  content: counter(ref);
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 0.5rem;
  background: var(--medperio-ice);
  color: var(--medperio-dark-navy);
  font-family: "Inter", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
ol.refs li:last-child { border-bottom: none; }

.footnote {
  font-size: 0.78rem;
  color: #718096;
  line-height: 1.5;
  text-align: left;
}

/* --- Document templates --- */
.document-template .doc-title {
  font-family: "Inter", sans-serif;
  font-weight: 800;
  text-align: center;
  color: var(--medperio-dark-navy);
  letter-spacing: 0.03em;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}
.document-template .doc-section {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  color: #0E7C86;
  margin: 1rem 0 0.4rem;
  border-bottom: 1px solid rgba(14,124,134,0.2);
  padding-bottom: 0.25rem;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}
.document-template p { margin-bottom: 0.55rem; text-align: left; }

/* --- Flowcharts --- */
.flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  max-width: 640px;
  margin: 0 auto;
}
.flow-step {
  width: 100%;
  max-width: 480px;
  text-align: center;
  background: var(--medperio-ice);
  border: 1px solid rgba(74,85,104,0.15);
  border-radius: 0.75rem;
  padding: 0.7rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--medperio-dark-navy);
}
.flow-start { background: var(--medperio-dark-navy); color: #fff; font-weight: 700; border: none; }
.flow-decision {
  width: 100%;
  max-width: 360px;
  text-align: center;
  background: #fff;
  border: 2px solid #0E7C86;
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
  font-weight: 700;
  color: #0E7C86;
  font-size: 0.88rem;
}
.flow-arrow { color: var(--medperio-steel-gray); font-size: 1.1rem; line-height: 1; }
.flow-branch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
}
.flow-yes, .flow-no { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; width: 100%; }
.flow-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--medperio-steel-gray);
}
.flow-success { background: #DCFCE7; border-color: #86EFAC; color: #166534; font-weight: 600; }
.flow-warning { background: #FEF3C7; border-color: #FCD34D; color: #92400E; font-weight: 600; }
.flow-danger  { background: #FEE2E2; border-color: #FCA5A5; color: #B91C1C; font-weight: 600; }

/* --- Back to top --- */
#back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 50;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--medperio-dark-navy);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}
#back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover { background: #0E7C86; }

/* --- Active nav state --- */
.nav-link.active { color: var(--medperio-dark-navy); }

/* Section card paddings should not be overridden by generic section rule */
@media (min-width: 769px) {
  section.section-card { padding: 2rem 2rem 2.25rem; }
}

/* Neutralize legacy generic section styling for full-bleed sections */
#inicio {
  background: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
}
#inicio:hover { box-shadow: none !important; }
.domain-divider { padding: 1.75rem 2rem !important; }
@media (max-width: 640px) {
  .domain-divider { padding: 1.4rem 1.25rem !important; gap: 0.9rem; }
  .domain-divider .domain-icon { font-size: 2rem; }
}

/* Keep justified body text from legacy rules out of new components */
.section-card p,
.callout p,
.info-block p,
.document-template p,
.emergency-card p { text-align: left; }

/* ============================================
   MOBILE OPTIMIZATION (no impact on desktop ≥1024px)
   ============================================ */

/* Prevent accidental horizontal scroll / page jiggle on phones.
   overflow-x:clip on body (NOT html) — unlike overflow:hidden it does NOT
   create a scroll container, so position:fixed and position:sticky keep
   working correctly on mobile browsers (iOS Safari, Chrome Android). */
body {
  overflow-x: clip;
}

/* Long titles with arrows/symbols (↔, →) must wrap instead of overflowing */
.domain-title,
.section-h2,
h1, h2, h3 {
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Respect users who ask for less motion (also saves battery on mobile):
   stop the infinite gradient animation and heavy transitions. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Touch & readability refinements — phones and small tablets only */
@media (max-width: 768px) {
  /* Justified text creates ugly "rivers" of whitespace on narrow screens */
  p,
  .lead {
    text-align: left;
  }

  /* Comfortable tap targets (≥44px) for the in-page tabs and menu links */
  .mobile-menu-link {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .inner-tab {
    min-height: 40px;
  }

  /* The animated domain gradient is costly on mobile GPUs — freeze it */
  .domain-dm,
  .domain-cv,
  .domain-tools {
    animation: none;
    background-size: 100% 100%;
  }

  /* Hint that wide tables scroll horizontally instead of clipping content */
  .table-wrap {
    -webkit-overflow-scrolling: touch;
  }
}