body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--fs-base);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (max-width: 640px) {
  .container {
    padding-inline: var(--space-4);
  }
}

/* ===== Registration mark (corner of technical drawing) ===== */
.reg-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.reg-mark::before {
  content: "";
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  background:
    linear-gradient(var(--color-accent), var(--color-accent)) center / 100% 1.5px no-repeat,
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) center / 1.5px 100% no-repeat;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  background:
    linear-gradient(var(--color-accent), var(--color-accent)) center / 100% 1.5px no-repeat,
    linear-gradient(90deg, var(--color-accent), var(--color-accent)) center / 1.5px 100% no-repeat;
}

.section {
  padding-block: var(--space-12);
  border-bottom: var(--border-w) solid var(--color-border);
}

@media (max-width: 640px) {
  .section {
    padding-block: var(--space-10);
  }
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  max-width: 640px;
}

.section-title {
  font-size: var(--fs-2xl);
}

@media (max-width: 640px) {
  .section-title {
    font-size: var(--fs-xl);
  }
}

.section-lede {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-sm);
  border: var(--border-w) solid transparent;
  transition: transform var(--transition-fast), background-color var(--transition-fast),
    border-color var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn-primary {
  background: var(--color-accent);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--color-accent-strong);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}

.btn-ghost {
  border-color: var(--color-border-on-blueprint);
  color: var(--color-text-on-blueprint);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline {
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== HEADER / NAV ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-header-bg);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-w) solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: var(--space-6);
}

.nav-links a {
  position: relative;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  padding-bottom: 2px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  width: 100%;
}

.nav-cta {
  display: none;
}

@media (min-width: 720px) {
  .nav-cta {
    display: inline-flex;
  }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-utility {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lang-toggle {
  display: flex;
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-family: var(--font-mono);
}

.lang-toggle button {
  padding: 6px 10px;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.lang-toggle button.is-active {
  background: var(--color-accent);
  color: #FFFFFF;
}

.theme-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: border-color var(--transition-fast), transform var(--transition-base);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  transform: rotate(15deg);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (min-width: 720px) {
  .nav-toggle {
    display: none;
  }
}

.nav-links {
  position: fixed;
  inset: 64px 0 auto 0;
  flex-direction: column;
  background: var(--color-surface);
  padding: var(--space-6);
  border-bottom: var(--border-w) solid var(--color-border);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-links.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 720px) {
  .nav-links {
    position: static;
    flex-direction: row;
    background: none;
    padding: 0;
    border: none;
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
}

/* ===== HERO (blueprint background with technical grid) ===== */
.hero {
  position: relative;
  background-color: var(--color-blueprint);
  color: var(--color-text-on-blueprint);
  border-bottom: var(--border-w) solid var(--color-border-on-blueprint);
  overflow: hidden;
  background-image:
    linear-gradient(var(--color-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  background-position: center top;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(15, 41, 66, 0) 0%, var(--color-blueprint) 75%);
  opacity: 0.35;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  gap: var(--space-10);
  padding-block: var(--space-16) var(--space-12);
}

@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

@media (max-width: 640px) {
  .hero-inner {
    padding-block: var(--space-10) var(--space-8);
  }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hero-title {
  font-size: var(--fs-3xl);
  line-height: 1.06;
  color: #FFFFFF;
  margin-bottom: var(--space-5);
}

@media (max-width: 640px) {
  .hero-title {
    font-size: var(--fs-2xl);
  }
}

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

.hero-lede {
  font-size: var(--fs-md);
  color: var(--color-text-on-blueprint-muted);
  max-width: 46ch;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Signature panel — "specification sheet" */
.system-panel {
  background: var(--color-blueprint-soft);
  border: var(--border-w) solid var(--color-border-on-blueprint);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  font-family: var(--font-mono);
  animation: panel-float 3.2s ease-in-out infinite;
}

@keyframes panel-float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .system-panel {
    animation: none;
  }
}

.system-panel-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-bottom: var(--border-w) solid var(--color-border-on-blueprint);
  font-size: var(--fs-xs);
  color: var(--color-text-on-blueprint-muted);
  letter-spacing: 0.05em;
}

.system-panel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 0 rgba(47, 125, 92, 0.6);
  animation: pulse-dot 2.4s infinite;
}

@keyframes pulse-dot {
  0% {
    box-shadow: 0 0 0 0 rgba(47, 125, 92, 0.55);
  }

  70% {
    box-shadow: 0 0 0 8px rgba(47, 125, 92, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(47, 125, 92, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .system-panel-dot {
    animation: none;
  }
}

.system-panel-rows {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.system-panel-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-w) dashed var(--color-border-on-blueprint);
  font-size: var(--fs-sm);
}

.system-panel-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.system-panel-key {
  color: var(--color-text-on-blueprint-muted);
  flex-shrink: 0;
}

.system-panel-value {
  color: var(--color-text-on-blueprint);
  text-align: right;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-text {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.social-links {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-5);
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.social-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.about-facts {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.about-fact {
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.about-fact:hover {
  border-color: var(--color-accent);
  transform: translateX(4px);
}

.about-fact-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  display: block;
}

.about-fact-value {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ===== SKILLS (category for table) ===== */
.skills-table {
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}

.skills-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: var(--border-w) solid var(--color-border);
}

.skills-row:last-child {
  border-bottom: none;
}

@media (max-width: 640px) {
  .skills-row {
    grid-template-columns: 1fr;
  }
}

.skills-row-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: var(--space-5);
  background: var(--color-bg);
  border-right: var(--border-w) solid var(--color-border);
  display: flex;
  align-items: center;
}

@media (max-width: 640px) {
  .skills-row-label {
    border-right: none;
    border-bottom: var(--border-w) solid var(--color-border);
  }
}

.skills-row-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-5);
  align-items: center;
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  padding: var(--space-1) var(--space-3);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  opacity: 0;
  transform: translateY(8px) scale(0.96);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.skills-table.is-visible .skill-tag {
  animation: tag-in var(--transition-fast) forwards;
}

@keyframes tag-in {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .skill-tag {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

.skill-tag:hover {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

/* ===== Experience timeline (reuses .skills-table container pattern) ===== */
.experience-item {
  display: grid;
  grid-template-columns: 22% 1fr;
  border: var(--border-w) solid var(--color-border-on-blueprint);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-blueprint-soft);
}

.experience-item+.experience-item {
  margin-top: var(--space-4);
}

@media (max-width: 640px) {
  .experience-item {
    grid-template-columns: 1fr;
  }
}

.experience-item-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-blueprint);
  overflow: hidden;
}

.experience-item-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.experience-item-logo-fallback {
  width: 100%;
  height: 100%;
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--color-text-on-blueprint-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-2xl);
  font-weight: 600;
}

.experience-item-body {
  padding: var(--space-5);
}

.experience-item-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: var(--border-w) solid var(--color-border-on-blueprint);
}

.experience-item-company {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text-on-blueprint);
}

.experience-item-period {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  color: var(--color-text-on-blueprint-muted);
  flex-shrink: 0;
  white-space: nowrap;
}

.experience-item-role {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text-on-blueprint);
  margin-bottom: var(--space-2);
}

.experience-item-desc {
  color: var(--color-text-on-blueprint-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-4);
}

.experience-item-link {
  display: inline-flex;
  color: var(--color-text-on-blueprint);
  border-color: var(--color-border-on-blueprint);
}

.experience-item-link:hover {
  background: var(--color-blueprint);
}

.skills-empty,
.projects-empty,
.experience-empty {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  padding: var(--space-6);
  text-align: center;
  border: var(--border-w) dashed var(--color-border);
  border-radius: var(--radius-md);
}

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.project-card {
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: 0 12px 32px rgba(15, 41, 66, 0.14);
}

.project-card-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg);
  border-bottom: var(--border-w) solid var(--color-border);
}

.project-card-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  border-bottom: var(--border-w) solid var(--color-border);
  background: var(--color-bg);
}

.project-card-id {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.project-card-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.project-card-title {
  font-size: var(--fs-lg);
}

.project-card-desc {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
  flex: 1;
}

.project-card-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.project-card-links {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: var(--border-w) solid var(--color-border);
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.contact-info-item a:hover {
  color: var(--color-accent);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-field label {
  font-size: var(--fs-sm);
  font-weight: 600;
}

.form-field input,
.form-field textarea {
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--fs-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.12);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  font-size: var(--fs-sm);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  margin-top: var(--space-4);
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-success {
  background: rgba(47, 125, 92, 0.1);
  color: var(--color-success);
  border: var(--border-w) solid var(--color-success);
}

.form-status.is-error {
  background: rgba(193, 67, 46, 0.1);
  color: var(--color-danger);
  border: var(--border-w) solid var(--color-danger);
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-blueprint);
  color: var(--color-text-on-blueprint-muted);
  padding-block: var(--space-8);
  background-image:
    linear-gradient(var(--color-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  background-position: center bottom;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  gap: var(--space-5);
}

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

/* ===== MOBILE RESPONSIVENESS (emphasis) ===== */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .system-panel {
    animation: none;
    /* Prevents wobbling on small screens; more stable when touched. */
  }

  .about-fact:hover {
    transform: none;
    /* "Hover" doesn't exist on touch devices; this prevents getting "stuck" in a displaced state. */
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card-links {
    flex-direction: column;
  }

  .project-card-links .btn {
    width: 100%;
  }

  .contact-info {
    margin-bottom: var(--space-6);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}

/* ===== MOBILE BREATHING ROOM (mais espaço, menos "apertado") ===== */
@media (max-width: 640px) {
  .container {
    padding-inline: var(--space-5);
  }

  .section-head {
    margin-bottom: var(--space-6);
  }

  .about-grid,
  .contact-grid {
    gap: var(--space-8);
  }

  .about-facts {
    gap: var(--space-5);
  }

  .skills-row+.skills-row {
    margin-top: 0;
  }

  .experience-item+.experience-item {
    margin-top: var(--space-5);
  }

  .projects-grid {
    gap: var(--space-6);
  }

  .social-links {
    gap: var(--space-3);
  }

  .form-field {
    margin-bottom: var(--space-6);
  }
}

/* Comfortable touch: minimum 44px target for navigation buttons/links on mobile */
@media (max-width: 720px) {
  .nav-links a {
    display: block;
    padding-block: var(--space-3);
    font-size: var(--fs-md);
  }

  .theme-toggle,
  .nav-toggle {
    min-width: 40px;
    min-height: 40px;
  }
}

/* ===== MICRO-INTERAÇÕES ===== */

/* Subtle zoom on the project image on hover */
.project-card-image {
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card-image {
  transform: scale(1.04);
}

/* Depth overlay: gradient fades in over the image on hover */
.project-card-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5, 15, 28, 0.55) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.project-card:hover .project-card-image-wrap::after {
  opacity: 1;
}

.project-card {
  isolation: isolate;
  /* keeps the enlarged image within the card's rounded edges */
}

/* Stagger: project cards enter in sequence, not all at once. */
.projects-grid .project-card {
  opacity: 0;
  transform: translateY(16px);
  animation: card-in var(--transition-slow) forwards;
}

@keyframes card-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .projects-grid .project-card {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .project-card:hover .project-card-image {
    transform: none;
  }
}

/* Animated underline on text links within the content (e.g., about) */
.about-text a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-fast);
}

.about-text a:hover {
  text-decoration-color: currentColor;
}

/* Button with a subtle "breathing" effect on the main hero CTA; it draws attention without being annoying. */
.hero-actions .btn-primary {
  position: relative;
}

.hero-actions .btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.5);
  animation: btn-pulse 2.8s ease-out infinite;
  pointer-events: none;
}

@keyframes btn-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.35);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(255, 107, 53, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-actions .btn-primary::after {
    animation: none;
  }
}

/* ===== SKELETON LOADING ===== */
@keyframes skeleton-shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

.skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-bg) 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  .skeleton {
    animation: none;
    opacity: 0.6;
  }
}

.skeleton-skills-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: var(--border-w) solid var(--color-border);
  padding: var(--space-5);
  gap: var(--space-4);
  align-items: center;
}

@media (max-width: 640px) {
  .skeleton-skills-row {
    grid-template-columns: 1fr;
  }
}

.skeleton-skills-row:last-child {
  border-bottom: none;
}

.skeleton-line {
  height: 14px;
  width: 100%;
}

.skeleton-tags {
  display: flex;
  gap: var(--space-2);
}

.skeleton-tag {
  height: 28px;
  width: 72px;
}

.skeleton-project-card {
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}

.skeleton-project-image {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.skeleton-project-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.skeleton-project-body .skeleton-line:nth-child(1) {
  width: 60%;
  height: 20px;
}

.skeleton-project-body .skeleton-line:nth-child(2) {
  width: 100%;
}

.skeleton-project-body .skeleton-line:nth-child(3) {
  width: 85%;
}

/* ===== EMPTY STATES ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  border: var(--border-w) dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.empty-state-icon {
  width: 40px;
  height: 40px;
  color: var(--color-text-muted);
  opacity: 0.6;
}

.empty-state-text {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}

/* ===== CONTACT ICONS ===== */
.contact-info-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-accent);
}

/* ===== MODAL ANIMATION  ===== */
.admin-modal-overlay {
  transition: opacity var(--transition-base);
  opacity: 0;
}

.admin-modal-overlay.is-open {
  opacity: 1;
}

.admin-modal {
  transform: scale(0.96) translateY(8px);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.admin-modal-overlay.is-open .admin-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* ===== BUTTONS SPINNER ===== */
.btn.is-loading {
  color: transparent !important;
  pointer-events: none;
  position: relative;
}

.btn.is-loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}

.btn-outline.is-loading::after,
.btn-ghost.is-loading::after {
  border-color: rgba(22, 35, 46, 0.25);
  border-top-color: var(--color-text);
}

@keyframes btn-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn.is-loading::after {
    animation: none;
  }
}

/* ===== RESPONSIVE TABLES ===== */
@media (max-width: 720px) {
  .admin-table thead {
    display: none;
  }

  .admin-table,
  .admin-table tbody,
  .admin-table tr,
  .admin-table td {
    display: block;
    width: 100%;
  }

  .admin-table tr {
    border-bottom: var(--border-w) solid var(--color-border);
    padding: var(--space-4);
  }

  .admin-table tr:last-child {
    border-bottom: none;
  }

  .admin-table td {
    border: none;
    padding: var(--space-2) 0;
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    text-align: right;
  }

  .admin-table td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    color: var(--color-text-muted);
    text-align: left;
    flex-shrink: 0;
  }

  .admin-table .col-actions {
    justify-content: flex-end;
  }

  .admin-table .col-actions::before {
    content: "";
  }

  .admin-empty-row {
    padding: 0;
  }
}

/* ===== PAGE 404 ===== */
.notfound-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: color-mix(in srgb, var(--color-blueprint) 65%, black);
  background-image:
    linear-gradient(rgba(45, 85, 120, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 85, 120, 0.35) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  padding: var(--space-6);
}

.notfound-content {
  text-align: center;
  max-width: 480px;
}

.notfound-code {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.notfound-title {
  font-size: var(--fs-3xl);
  color: #FFFFFF;
  margin-bottom: var(--space-4);
}

.notfound-text {
  color: var(--color-text-on-blueprint-muted);
  font-size: var(--fs-md);
  margin-bottom: var(--space-8);
}

/* ===== SCROLL PROGRESS BAR ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  overflow: visible;
  background: linear-gradient(90deg,
      var(--color-accent),
      var(--color-brasil-green),
      var(--color-brasil-yellow),
      var(--color-usa-red),
      var(--color-accent));
  background-size: 300% 100%;
  animation: scroll-progress-flow 6s linear infinite;
  box-shadow: 0 0 8px 0 var(--color-accent);
  z-index: 1000;
  transition: width 100ms linear;
}

/* "Sonar" blip riding the leading edge of the bar */
.scroll-progress::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  transform: translate(50%, -50%);
  box-shadow: 0 0 6px 1px var(--color-accent);
}

/* Expanding ping ring, like a radar/sonar sweep, pulsing from the blip */
.scroll-progress::before {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  transform: translate(50%, -50%) scale(1);
  animation: scroll-progress-ping 1.8s ease-out infinite;
}

@keyframes scroll-progress-flow {
  to {
    background-position: -300% 0;
  }
}

@keyframes scroll-progress-ping {
  0% {
    transform: translate(50%, -50%) scale(1);
    opacity: 0.7;
  }

  100% {
    transform: translate(50%, -50%) scale(3.2);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress {
    transition: none;
    animation: none;
  }

  .scroll-progress::before {
    animation: none;
    opacity: 0;
  }
}

/* ===== Crosshair that follows the mouse on the hero ===== */
.hero-crosshair {
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
  width: 24px;
  height: 24px;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 1;
}

.hero-crosshair::before,
.hero-crosshair::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
}

.hero-crosshair::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

.hero-crosshair::after {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.hero:hover .hero-crosshair {
  opacity: 0.5;
}

@media (max-width: 900px),
(hover: none) {
  .hero-crosshair {
    display: none;
  }
}

/* ===== STAGGER: about-facts and skills-rows ===== */
.about-facts .about-fact,
.skills-table .skills-row {
  opacity: 0;
  transform: translateY(14px);
}

.about-facts.is-visible .about-fact,
.skills-table.is-visible .skills-row {
  animation: fact-in var(--transition-slow) forwards;
}

.about-facts.is-visible .about-fact:nth-child(1) {
  animation-delay: 0ms;
}

.about-facts.is-visible .about-fact:nth-child(2) {
  animation-delay: 90ms;
}

.about-facts.is-visible .about-fact:nth-child(3) {
  animation-delay: 180ms;
}

.skills-table.is-visible .skills-row:nth-child(1) {
  animation-delay: 0ms;
}

.skills-table.is-visible .skills-row:nth-child(2) {
  animation-delay: 70ms;
}

.skills-table.is-visible .skills-row:nth-child(3) {
  animation-delay: 140ms;
}

.skills-table.is-visible .skills-row:nth-child(4) {
  animation-delay: 210ms;
}

.skills-table.is-visible .skills-row:nth-child(5) {
  animation-delay: 280ms;
}

.skills-table.is-visible .skills-row:nth-child(6) {
  animation-delay: 350ms;
}

@keyframes fact-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {

  .about-facts .about-fact,
  .skills-table .skills-row {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

/* ===== 3D Tilt on Project Cards ===== */
.project-card {
  transform-style: preserve-3d;
  will-change: transform;
}

@media (hover: none) {
  .project-card {
    transform: none !important;
  }
}

/* ===== BR/US ===== */
.eyebrow::before {
  background:
    linear-gradient(var(--color-accent), var(--color-accent)) top left / 100% 1.5px no-repeat,
    linear-gradient(90deg, var(--color-brasil-green), var(--color-brasil-yellow)) bottom left / 100% 1.5px no-repeat;
}

.footer-flag-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-on-blueprint-muted);
}

.footer-flag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.footer-flag-dot.dot-1 {
  background: var(--color-brasil-green);
}

.footer-flag-dot.dot-2 {
  background: var(--color-brasil-yellow);
}

.footer-flag-dot.dot-3 {
  background: var(--color-accent);
}

/* ===== SECTION-BASED COLOR SYSTEM ===== */
.eyebrow.c-green::before {
  background:
    linear-gradient(var(--color-brasil-green), var(--color-brasil-green)) center / 100% 1.5px no-repeat,
    linear-gradient(90deg, var(--color-brasil-green), var(--color-brasil-green)) center / 1.5px 100% no-repeat;
}

.eyebrow.c-green {
  color: var(--color-brasil-green);
}

.eyebrow.c-yellow::before {
  background:
    linear-gradient(var(--color-brasil-yellow), var(--color-brasil-yellow)) center / 100% 1.5px no-repeat,
    linear-gradient(90deg, var(--color-brasil-yellow), var(--color-brasil-yellow)) center / 1.5px 100% no-repeat;
}

.eyebrow.c-yellow {
  color: #A87E10;
}

.eyebrow.c-red::before {
  background:
    linear-gradient(var(--color-usa-red), var(--color-usa-red)) center / 100% 1.5px no-repeat,
    linear-gradient(90deg, var(--color-usa-red), var(--color-usa-red)) center / 1.5px 100% no-repeat;
}

.eyebrow.c-red {
  color: var(--color-usa-red);
}

/* Replaced by the spinning BR/USA gradient ring in admin.css — nth-child
   accent bars removed, all cards now share the same animated border. */

.project-card {
  border-top: 3px solid var(--color-accent);
}

.project-card:nth-child(4n+2) {
  border-top-color: var(--color-brasil-green);
}

.project-card:nth-child(4n+3) {
  border-top-color: var(--color-brasil-yellow);
}

.project-card:nth-child(4n+4) {
  border-top-color: var(--color-usa-red);
}

.skills-row:nth-child(4n+1) .skills-row-label {
  border-left: 3px solid var(--color-accent);
}

.skills-row:nth-child(4n+2) .skills-row-label {
  border-left: 3px solid var(--color-brasil-green);
}

.skills-row:nth-child(4n+3) .skills-row-label {
  border-left: 3px solid var(--color-brasil-yellow);
}

.skills-row:nth-child(4n+4) .skills-row-label {
  border-left: 3px solid var(--color-usa-red);
}

.social-link:nth-child(1):hover {
  border-color: var(--color-brasil-green);
  color: var(--color-brasil-green);
}

.social-link:nth-child(2):hover {
  border-color: var(--color-usa-red);
  color: var(--color-usa-red);
}

.btn-ghost:hover {
  border-color: var(--color-brasil-green);
  color: var(--color-brasil-green);
}

/* ===== Legal warning popup (contact form) ===== */
.legal-popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: rgba(0, 0, 0, 0.65);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.legal-popup-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.legal-popup {
  position: relative;
  z-index: 0;
  isolation: isolate;
  max-width: 440px;
  width: 100%;
  background: #000000;
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  overflow: hidden;
  transform: scale(0.94);
  transition: transform var(--transition-base);
}

.legal-popup-overlay.is-open .legal-popup {
  transform: scale(1);
}

/* Mesma técnica de borda giratória BR/EUA usada nos stat cards do admin */
.legal-popup::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: 50%;
  left: 50%;
  width: 220%;
  height: 220%;
  transform: translate(-50%, -50%) rotate(0deg);
  background: conic-gradient(from 0deg,
      var(--color-usa-red) 0deg,
      #ffffff 35deg,
      var(--color-usa-blue) 70deg,
      #ffffff 105deg,
      var(--color-brasil-green) 140deg,
      var(--color-brasil-yellow) 190deg,
      var(--color-brasil-green) 240deg,
      #ffffff 275deg,
      var(--color-usa-blue) 305deg,
      var(--color-usa-red) 360deg);
  animation: admin-stat-border-spin 5s linear infinite;
}

.legal-popup::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 2.5px;
  background: #000000;
  border-radius: calc(var(--radius-md) - 2.5px);
}

.legal-popup-title {
  color: var(--color-usa-red);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  text-shadow: 0 0 10px rgba(163, 38, 56, 0.7);
  margin-bottom: var(--space-4);
}

.legal-popup-text {
  color: #ffffff;
  font-size: var(--fs-md);
  line-height: 1.7;
  text-align: justify;
  text-shadow: 0 0 6px rgba(255, 255, 255, 0.3);
  margin-bottom: var(--space-6);
  hyphens: auto;
}

.legal-popup-ok {
  display: inline-block;
  padding: var(--space-2) var(--space-8);
  border-radius: 999px;
  border: none;
  background: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: var(--fs-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.legal-popup-ok:hover {
  background: var(--color-accent-strong);
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .legal-popup::before {
    animation: none;
  }

  .legal-popup,
  .legal-popup-overlay {
    transition: none;
  }
}

/* ===== Animated flags in the hero background — split 50/50 ===== */
.hero-flags {
  position: absolute;
  inset: 0;
  display: flex;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.hero-flag {
  position: relative;
  flex: 1 1 50%;
  height: 100%;
  overflow: hidden;
}

.hero-flag img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.24;
  filter: saturate(0.85);
  transform: scale(1.1);
  animation: heroFlagDrift 26s ease-in-out infinite alternate;
}

.hero-flag.flag-usa img {
  animation-delay: -13s;
  /* dessincroniza o movimento das duas bandeiras */
}

/* Funde o topo/base de cada bandeira com o azul do blueprint */
.hero-flag::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      var(--color-blueprint) 0%,
      transparent 25%,
      transparent 80%,
      var(--color-blueprint) 100%);
}

/* Costura central: cada metade esmaece na direção do meio, criando a divisão BR/EUA */
.hero-flag.flag-brazil::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 78%, var(--color-blueprint) 100%);
}

.hero-flag.flag-usa::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-blueprint) 0%, transparent 22%);
}

@keyframes admin-stat-border-spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes heroFlagDrift {
  from {
    transform: scale(1.1) translateX(0);
  }

  to {
    transform: scale(1.18) translateX(-2.5%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-flag img {
    animation: none;
    transform: scale(1.1);
  }
}

@media (max-width: 640px) {
  .hero-flag img {
    opacity: 0.14;
  }
}

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

/* ===== Custom cursor (desktop only) ===== */
/* Native CSS cursor: drawn by the OS, no JS, zero input latency. Applied only
   for pointer devices without a reduced-motion preference. */
   :root {
    --cursor-default: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32'%3E%3Ccircle cx='16' cy='16' r='13' fill='none' stroke='%23FF6B35' stroke-opacity='.5'/%3E%3Ccircle cx='16' cy='16' r='4' fill='%23FF6B35'/%3E%3C/svg%3E") 16 16, auto;
    --cursor-pointer: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32'%3E%3Ccircle cx='16' cy='16' r='15' fill='none' stroke='%23FF6B35' stroke-opacity='.9'/%3E%3Ccircle cx='16' cy='16' r='4' fill='%23FF6B35'/%3E%3C/svg%3E") 16 16, pointer;
  }
  
  [data-theme="dark"] {
    --cursor-default: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32'%3E%3Ccircle cx='16' cy='16' r='13' fill='none' stroke='%23FF7A4A' stroke-opacity='.5'/%3E%3Ccircle cx='16' cy='16' r='4' fill='%23FF7A4A'/%3E%3C/svg%3E") 16 16, auto;
    --cursor-pointer: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32'%3E%3Ccircle cx='16' cy='16' r='15' fill='none' stroke='%23FF7A4A' stroke-opacity='.9'/%3E%3Ccircle cx='16' cy='16' r='4' fill='%23FF7A4A'/%3E%3C/svg%3E") 16 16, pointer;
  }
  
  @media (hover: hover) and (prefers-reduced-motion: no-preference) {
    html,
    * {
      cursor: var(--cursor-default) !important;
    }
  
    a,
    a *,
    button,
    button *,
    input,
    textarea,
    select,
    [role="button"],
    [role="button"] * {
      cursor: var(--cursor-pointer) !important;
    }
  }

/* ===== Typing effect caret on system-panel values ===== */
.system-panel-value.is-typing::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 2px;
  background: var(--color-accent);
  vertical-align: -0.15em;
  animation: caret-blink 800ms step-end infinite;
}

@keyframes caret-blink {
  50% {
    opacity: 0;
  }
}

/* ===== Initial page fade-in (avoids flash of unstyled/unanimated content) ===== */
/* Opt-in via body.fade-init — pages without main.js (404, admin login/dashboard) are unaffected. */
body.fade-init {
  opacity: 0;
}

body.fade-init.is-loaded {
  opacity: 1;
  transition: opacity 400ms ease;
}

@media (prefers-reduced-motion: reduce) {
  body.fade-init.is-loaded {
    transition: none;
  }
}


/* ===== CHAT WIDGET ===== */
.chat-widget {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 998;
}

@media (max-width: 640px) {
  .chat-widget {
    bottom: var(--space-4);
    right: var(--space-4);
  }

  .chat-toggle {
    width: 48px;
    height: 48px;
  }

  .chat-toggle svg {
    width: 20px;
    height: 20px;
  }

  .chat-toggle-label {
    font-size: 0.65rem;
    padding: 2px var(--space-1);
  }
}

.chat-toggle-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  animation: chat-toggle-float 3s ease-in-out infinite;
}

.chat-toggle-label {
  font-size: var(--fs-xs, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text);
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-sm, 4px);
  padding: 2px var(--space-2);
  box-shadow: 0 4px 12px rgba(5, 15, 28, 0.2);
  white-space: nowrap;
  pointer-events: none;
}

.chat-toggle {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--color-surface);
  color: var(--color-accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(5, 15, 28, 0.25);
  transition: transform 0.2s ease;
}

.chat-toggle svg {
  width: 24px;
  height: 24px;
}

.chat-toggle:hover {
  transform: scale(1.08);
}

.chat-toggle:active {
  transform: scale(0.94);
}

/* Rotating BR/USA conic-gradient ring — same technique as .admin-stat-card::before */
.chat-toggle::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: 50%;
  left: 50%;
  width: 220%;
  height: 220%;
  transform: translate(-50%, -50%) rotate(0deg);
  background: conic-gradient(from 0deg,
      var(--color-usa-red) 0deg,
      #ffffff 35deg,
      var(--color-usa-blue) 70deg,
      #ffffff 105deg,
      var(--color-brasil-green) 140deg,
      var(--color-brasil-yellow) 190deg,
      var(--color-brasil-green) 240deg,
      #ffffff 275deg,
      var(--color-usa-blue) 305deg,
      var(--color-usa-red) 360deg);
  animation: chat-toggle-border-spin 5s linear infinite;
}

.chat-toggle::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 3px;
  background: var(--color-surface);
  border-radius: 50%;
}

@keyframes chat-toggle-border-spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes chat-toggle-float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

@media (prefers-reduced-motion: reduce) {

  .chat-toggle::before,
  .chat-toggle-wrap,
  .chat-panel::before,
  .chat-warning-bubble {
    animation: none;
  }
}

.chat-panel-title {
  flex: 1;
}

.chat-panel-close {
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 var(--space-1);
}

.chat-panel-close:hover {
  color: var(--color-text);
}

.chat-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 15, 28, 0);
  z-index: 997;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), background var(--transition-base);
}

.chat-backdrop.is-open {
  background: rgba(5, 15, 28, 0.85);
  opacity: 1;
  pointer-events: auto;
}

.chat-popup-stack {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  width: min(420px, calc(100vw - var(--space-8)));
  max-height: calc(100dvh - var(--space-8));
  opacity: 0;
  transform: translate(-50%, -50%) translateY(8px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.chat-popup-stack.is-open {
  opacity: 1;
  transform: translate(-50%, -50%) translateY(0);
  pointer-events: auto;
}

@media (max-width: 640px) {
  .chat-popup-stack {
    width: calc(100vw - var(--space-4) * 2);
    max-height: calc(100dvh - var(--space-6) * 2);
    gap: var(--space-1);
  }
}

.chat-warning-bubble {
  width: 100%;
  flex-shrink: 0;
  background: #000000;
  border: 2px solid #FF1A1A;
  border-radius: var(--radius-sm, 4px);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.4;
  color: #FF3B3B;
  text-shadow: 0 0 6px rgba(255, 40, 40, 0.7);
  animation: chat-warning-pulse 1.6s ease-in-out infinite;
}

@media (max-width: 480px) {
  .chat-warning-bubble {
    padding: var(--space-2) var(--space-3);
    font-size: 0.7rem;
    letter-spacing: 0.02em;
    line-height: 1.35;
  }
}

.chat-warning-label {
  color: #FFEB3B;
  text-shadow: 0 0 6px rgba(255, 235, 59, 0.8);
}

.chat-antifraud-badge {
  display: inline-block;
  margin-left: 0.35em;
  color: #4FD8FF;
  text-shadow: 0 0 6px rgba(79, 216, 255, 0.85), 0 0 14px rgba(79, 216, 255, 0.5);
}

@keyframes chat-warning-pulse {

  0%,
  100% {
    border-color: #FF1A1A;
    box-shadow: 0 0 8px rgba(255, 26, 26, 0.35);
  }

  50% {
    border-color: #FF6B6B;
    box-shadow: 0 0 18px rgba(255, 60, 60, 0.85);
  }
}

.chat-panel {
  position: relative;
  width: 100%;
  max-height: 520px;
  min-height: 0;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(5, 15, 28, 0.28);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  isolation: isolate;
}

@media (max-width: 640px) {
  .chat-panel {
    max-height: none;
    flex: 1 1 auto;
  }
}

.chat-panel::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: 50%;
  left: 50%;
  width: 220%;
  height: 220%;
  transform: translate(-50%, -50%) rotate(0deg);
  background: conic-gradient(from 0deg,
      var(--color-usa-red) 0deg,
      #ffffff 35deg,
      var(--color-usa-blue) 70deg,
      #ffffff 105deg,
      var(--color-brasil-green) 140deg,
      var(--color-brasil-yellow) 190deg,
      var(--color-brasil-green) 240deg,
      #ffffff 275deg,
      var(--color-usa-blue) 305deg,
      var(--color-usa-red) 360deg);
  animation: chat-toggle-border-spin 5s linear infinite;
}

.chat-panel::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 3px;
  background: var(--color-surface);
  border-radius: calc(var(--radius-md) - 2px);
}

.chat-panel-header {
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  font-size: var(--fs-sm);
  border-bottom: var(--border-w) solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.chat-messages {
  flex: 1;
  min-height: 160px;
  max-height: 240px;
  overflow-y: auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.chat-bubble {
  max-width: 85%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  word-wrap: break-word;
  white-space: pre-wrap;
}

.chat-bubble-visitor {
  align-self: flex-end;
  background: var(--color-accent);
  color: #fff;
}

.chat-bubble-admin {
  align-self: flex-start;
  background: var(--color-bg);
  color: var(--color-text);
}

.chat-turnstile {
  padding: 0 var(--space-4);
}

.chat-turnstile:empty {
  padding: 0;
}

.chat-status {
  min-height: 18px;
  padding: 0 var(--space-4);
  font-size: var(--fs-xs, 12px);
  color: var(--color-text-muted);
}

.chat-form {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: var(--border-w) solid var(--color-border);
}

.chat-honeypot {
  position: absolute;
  left: -9999px;
  width: 0;
  height: 0;
  opacity: 0;
}

.chat-input {
  flex: 1;
  resize: none;
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-sm, 6px);
  padding: var(--space-2);
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
}

.chat-send {
  border: none;
  border-radius: var(--radius-sm, 6px);
  padding: 0 var(--space-3);
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.chat-send:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ===== CONSENT GATE (blocking terms popup) ===== */
.consent-gate-overlay {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: rgba(5, 15, 28, 0.85);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.consent-gate-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.consent-gate {
  position: relative;
  z-index: 0;
  isolation: isolate;
  max-width: 460px;
  width: 100%;
  background: #000000;
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-6);
  overflow: hidden;
}

.consent-gate::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: 50%;
  left: 50%;
  width: 220%;
  height: 220%;
  transform: translate(-50%, -50%);
  background: conic-gradient(from 0deg,
      var(--color-usa-red) 0deg,
      #ffffff 35deg,
      var(--color-usa-blue) 70deg,
      #ffffff 105deg,
      var(--color-brasil-green) 140deg,
      var(--color-brasil-yellow) 190deg,
      var(--color-brasil-green) 240deg,
      #ffffff 275deg,
      var(--color-usa-blue) 305deg,
      var(--color-usa-red) 360deg);
  animation: admin-stat-border-spin 5s linear infinite;
}

.consent-gate::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 2.5px;
  background: #000000;
  border-radius: calc(var(--radius-md) - 2.5px);
}

.consent-gate-title {
  color: #ffffff;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

.consent-gate-text {
  color: #ffffff;
  font-size: var(--fs-md);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.consent-gate-text a {
  color: var(--color-accent);
  text-decoration: underline;
}

.consent-gate-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  color: #ffffff;
  font-size: var(--fs-sm);
  margin-bottom: var(--space-6);
  cursor: pointer;
}

.consent-gate-checkbox input {
  margin-top: 3px;
}

.consent-gate-button {
  display: block;
  width: 100%;
  padding: var(--space-3);
  border-radius: 999px;
  border: none;
  background: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: var(--fs-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), opacity var(--transition-fast);
}

.consent-gate-button:hover:not(:disabled) {
  background: var(--color-accent-strong);
}

.consent-gate-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

@media (prefers-reduced-motion: reduce) {
  .consent-gate::before {
    animation: none;
  }
}

.consent-gate-lang {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}