:root {
  --cor-primaria: #d4af37;
  --cor-primaria-escura: #b88a1e;
  --cor-secundaria: rgba(212, 175, 55, 0.12);
  --cor-acento: #f5d16a;
  --cor-fundo: #0d0d0d;
  --cor-fundo-2: #171717;
  --cor-texto: #f5f0e6;
  --cor-texto-suave: #d7d0c6;
  --cor-borda: rgba(212, 175, 55, 0.28);
  --cor-sucesso: #66d49a;
  --cor-erro: #f27d7d;
  --cor-alerta: #f0d280;
  --cor-branco: #111111;
  --sombra-suave: 0 18px 40px rgba(0, 0, 0, 0.38);
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --altura-campo: 3rem;
  --transicao: 180ms ease;
  --container: min(1180px, calc(100vw - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top, #1a1a1a 0%, #0d0d0d 35%, #050505 100%);
  color: var(--cor-texto);
  line-height: 1.5;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

main {
  width: min(100%, var(--container));
  margin: 0 auto;
}

.container {
  width: min(100%, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1rem;
  padding-inline: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--cor-primaria);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, var(--cor-primaria) 0%, var(--cor-primaria-escura) 100%);
  color: var(--cor-fundo);
  box-shadow: var(--sombra-suave);
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand-name {
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  font-weight: 800;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.96rem;
}

.link-button,
.primary-button,
.secondary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform var(--transicao), box-shadow var(--transicao), background var(--transicao), border-color var(--transicao);
  min-height: 3.2rem;
  padding: 0.9rem 1.5rem;
  font-weight: 700;
  font-size: 0.96rem;
}

.primary-button {
  background: linear-gradient(135deg, var(--cor-primaria) 0%, var(--cor-primaria-escura) 100%);
  color: #111111;
  box-shadow: 0 12px 24px rgba(212, 175, 55, 0.28);
}

.secondary-button {
  background: transparent;
  border-color: var(--cor-borda);
  color: var(--cor-texto);
}

.ghost-button {
  background: transparent;
  border-color: rgba(212, 175, 55, 0.15);
  color: var(--cor-texto-suave);
}

.link-button:hover,
.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.section {
  padding: 4rem 0;
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--cor-secundaria);
  color: var(--cor-primaria);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.page-title {
  font-size: clamp(2.2rem, 4vw, 3.3rem);
  line-height: 1.1;
  margin: 1rem 0 1rem;
  letter-spacing: -0.04em;
  color: var(--cor-primaria);
}

.lead {
  font-size: 1.05rem;
  color: var(--cor-texto-suave);
  max-width: 70ch;
}

.hero-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.card {
  background: rgba(17, 17, 17, 0.98);
  border: 1px solid rgba(212, 175, 55, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: var(--sombra-suave);
}

.hero-card {
  padding: 1.5rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.metric {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid var(--cor-borda);
}

.metric strong {
  display: block;
  font-size: 1.2rem;
  margin-top: 0.25rem;
}

.page-shell {
  padding: 3rem 0 4rem;
}

.form-card {
  padding: 1.5rem;
}

.form-intro {
  margin-bottom: 1.5rem;
}

.section-header {
  margin-bottom: 1rem;
}

.section-header h2 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.5rem, 2vw, 2rem);
}

.section-header p {
  margin: 0;
  color: var(--cor-texto-suave);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field.full > .question-label {
  margin-top: 0.2rem;
  align-self: start;
}

.form-field.full > .option-list {
  margin-top: 0;
}

.form-field label,
.question-label {
  font-weight: 600;
  color: var(--cor-texto);
}

.required-indicator {
  color: var(--cor-erro);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--cor-borda);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.02);
  min-height: var(--altura-campo);
  padding: 0.8rem 0.9rem;
  color: var(--cor-texto);
  transition: border-color var(--transicao), box-shadow var(--transicao), background var(--transicao);
}

input::placeholder,
textarea::placeholder {
  color: rgba(245, 240, 230, 0.5);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(212, 175, 55, 0.9);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.12);
}

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

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: rgba(242, 125, 125, 0.7);
  background: rgba(242, 125, 125, 0.04);
}

.field-hint,
.error-message {
  font-size: 0.79rem;
}

.field-hint {
  color: var(--cor-texto-suave);
}

.error-message {
  color: var(--cor-erro);
  min-height: 1.1rem;
}

.form-section {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(212, 175, 55, 0.14);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  margin-top: 1.3rem;
}

.option-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.option-list label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  background: rgba(212, 175, 55, 0.03);
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-radius: 0.75rem;
  padding: 0.75rem 0.8rem;
  color: var(--cor-texto);
  line-height: 1.4;
}

.option-list input[type="radio"] {
  width: 1rem;
  height: 1rem;
  min-height: auto;
  margin-top: 0.2rem;
  accent-color: var(--cor-primaria);
}

.checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1rem;
}

.checkbox-wrap input {
  width: 1.15rem;
  height: 1.15rem;
  min-height: auto;
  accent-color: var(--cor-primaria);
  margin-top: 0.25rem;
}

.status-message {
  min-height: 1.2rem;
  font-size: 0.92rem;
  color: var(--cor-texto-suave);
  margin-top: 0.75rem;
}

.status-message.error {
  color: var(--cor-erro);
}

.status-message.success {
  color: var(--cor-sucesso);
}

.notice {
  background: rgba(212, 175, 55, 0.06);
  border: 1px solid rgba(212, 175, 55, 0.18);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  color: var(--cor-texto-suave);
}

.notice strong {
  color: var(--cor-texto);
}

.auth-layout {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.auth-card {
  width: min(100%, 480px);
  padding: 2rem 1.5rem;
}

.auth-card h1 {
  margin-bottom: 0.5rem;
}

.auth-card .notice {
  margin-top: 1rem;
}

.panel-layout {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.sidebar-panel,
.content-panel {
  background: rgba(17, 17, 17, 0.98);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.14);
  box-shadow: var(--sombra-suave);
}

.sidebar-panel {
  padding: 1.25rem;
}

.content-panel {
  padding: 1.25rem;
}

.search-box {
  margin-bottom: 1rem;
}

.student-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.student-item {
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.02);
  padding: 0.9rem 0.9rem;
  transition: border-color var(--transicao), background var(--transicao);
}

.student-item button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: transparent;
  border: none;
  padding: 0;
  text-align: left;
  color: var(--cor-texto);
  font: inherit;
}

.student-item:hover {
  border-color: rgba(212, 175, 55, 0.3);
  background: rgba(212, 175, 55, 0.03);
}

.student-item strong {
  display: block;
  margin-bottom: 0.2rem;
}

.student-meta {
  font-size: 0.85rem;
  color: var(--cor-texto-suave);
}

.empty-state {
  padding: 1.5rem;
  border: 1px dashed var(--cor-borda);
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.03);
  color: var(--cor-texto-suave);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.detail-item {
  background: rgba(212, 175, 55, 0.03);
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
}

.detail-item dt {
  color: var(--cor-texto-suave);
  margin-bottom: 0.2rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.detail-item dd {
  margin: 0;
  font-weight: 600;
}

.home-brand-page {
  min-height: calc(100vh - 4.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem 3rem;
  position: relative;
}

.brand-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: 1rem;
  gap: 0.7rem;
}

.brand-crest {
  width: min(100%, 560px);
  height: auto;
  display: block;
  margin-bottom: 0.5rem;
  object-fit: contain;
}

.hero-cta {
  margin-top: 1.2rem;
  font-size: 1.05rem;
  min-width: 13rem;
  min-height: 3.4rem;
}

.site-meta-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-left: auto;
  margin-right: 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cor-texto-suave);
  flex-wrap: wrap;
}

.site-meta-nav a {
  transition: color var(--transicao), opacity var(--transicao), transform var(--transicao), background var(--transicao), border-color var(--transicao), box-shadow var(--transicao);
  opacity: 0.95;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--cor-borda);
  background: transparent;
  color: var(--cor-texto);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  font-weight: 700;
  line-height: 1;
}

.site-meta-nav a:hover {
  color: var(--cor-primaria);
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(212, 175, 55, 0.12);
  border-color: rgba(212, 175, 55, 0.5);
  background: rgba(212, 175, 55, 0.03);
}

.nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.dropdown-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.55rem);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.4rem;
  min-width: 12rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 0.85rem;
  background: rgba(17, 17, 17, 0.98);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transicao), transform var(--transicao), visibility var(--transicao);
  z-index: 30;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  padding: 0.55rem 0.6rem;
  border-radius: 0.5rem;
  color: var(--cor-texto);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.dropdown-menu a:hover {
  background: rgba(212, 175, 55, 0.08);
  color: var(--cor-primaria);
}

.planos-page {
  padding: 4rem 1rem 5rem;
}

.planos-container {
  max-width: 1100px;
  margin: 0 auto;
}

.planos-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.planos-header h1 {
  color: var(--cor-primaria);
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin: 0 0 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "Georgia", "Times New Roman", serif;
}

.planos-header p {
  color: var(--cor-texto-suave);
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.planos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.plano-card {
  background: rgba(23, 23, 23, 0.85);
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 1.2rem;
  padding: 1.5rem;
  box-shadow: var(--sombra-suave);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.plano-card h2 {
  margin: 0 0 0.7rem;
  color: var(--cor-primaria);
  font-size: 1.7rem;
  text-transform: uppercase;
}

.plano-preco {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--cor-texto);
  margin: 0 0 1rem;
}

.plano-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  color: var(--cor-texto-suave);
}

.plano-card li {
  position: relative;
  padding-left: 1.1rem;
}

.plano-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--cor-primaria);
}

.plano-whatsapp {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #25d366, #1ebd5b);
  color: #fff;
  border-radius: 999px;
  min-height: 3rem;
  padding: 0.85rem 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.plano-whatsapp:hover {
  filter: brightness(1.05);
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--cor-primaria);
  text-align: center;
  font-family: "Georgia", "Times New Roman", serif;
}

.brand-lockup h2 {
  margin: 0;
  font-size: clamp(3.5rem, 8vw, 9rem);
  line-height: 0.9;
  letter-spacing: 0.05em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--cor-primaria);
  font-family: "Georgia", "Times New Roman", serif;
  text-shadow: 0 0 18px rgba(212, 175, 55, 0.18);
}

.brand-lockup p {
  margin: 0.8rem 0 0;
  font-size: clamp(1.1rem, 2.2vw, 2.2rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cor-primaria);
  font-weight: 700;
  font-family: "Segoe UI", Arial, sans-serif;
}

.brand-lockup small {
  margin-top: 0.35rem;
  font-size: clamp(0.72rem, 1.2vw, 1rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cor-primaria);
  font-family: "Segoe UI", Arial, sans-serif;
  font-weight: 600;
}

@media (max-width: 800px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
    padding-block: 0.6rem;
  }

  .site-meta-nav {
    order: 3;
    width: 100%;
    margin: 0;
    justify-content: center;
    gap: 0.6rem 0.9rem;
    font-size: 0.7rem;
  }

  .site-nav {
    display: flex;
    justify-content: center;
    width: 100%;
  }

  .brand-name {
    letter-spacing: 0.08em;
    font-size: 0.74rem;
  }

  .brand-lockup h2 {
    letter-spacing: 0.04em;
  }

  .brand-lockup p,
  .brand-lockup small {
    letter-spacing: 0.08em;
    white-space: normal;
  }
}

@media (max-width: 720px) {
  .brand-name {
    letter-spacing: 0.08em;
    font-size: 0.7rem;
  }

  .brand-lockup h2 {
    letter-spacing: 0.04em;
  }

  .brand-lockup p,
  .brand-lockup small {
    letter-spacing: 0.08em;
    white-space: normal;
  }

  .brand-star {
    right: 1.5rem;
    bottom: 1rem;
    font-size: 1.4rem;
  }

  .site-meta-nav {
    gap: 0.5rem 0.7rem;
    font-size: 0.66rem;
  }

  .dropdown-menu {
    left: 0;
    transform: translateY(-8px);
  }

  .nav-dropdown:hover .dropdown-menu,
  .nav-dropdown:focus-within .dropdown-menu {
    transform: translateY(0);
  }

  .form-card {
    padding: 1rem;
  }

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

  .form-field.full {
    grid-template-columns: 1fr;
  }

  .step-actions {
    flex-direction: column-reverse;
  }

  .step-actions .secondary-button,
  .step-actions .primary-button,
  .submit-button {
    width: 100%;
  }

  .option-list {
    grid-template-columns: 1fr;
  }
}