/* ===========================================================
   Onemind — Diagnóstico de Maturidade frente à IA
   Identidade mono-violeta
   =========================================================== */

:root {
  /* Violeta — primária */
  --violet-100: #ECE7F5;
  --violet-300: #BFAEDA;
  --violet-500: #7E5CA6; /* cor-assinatura */
  --violet-700: #5B4380; /* títulos e fundos */
  --violet-900: #2E2142;

  /* Neutros */
  --ink: #241F2E;
  --slate: #6B6479;
  --mist: #9A93A8;
  --fog: #E7E3EE;
  --paper: #F7F6FA;

  /* Semânticas */
  --success: #4F9D72;
  --warning: #C98A3A;
  --error: #C45B5B;

  /* Tipografia */
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Layout */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --max-width: 720px;
  --transition: 200ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--violet-700);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

/* ===== Layout helpers ===== */

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ===== Header ===== */

.site-header {
  padding: 24px 0;
  border-bottom: 1px solid var(--fog);
}

.logo-link {
  display: inline-block;
}

.logo {
  height: 36px;
  width: auto;
}

/* ===== Footer ===== */

.site-footer {
  padding: 32px 0 48px;
  text-align: center;
}

.site-footer p {
  font-size: 13px;
  color: var(--mist);
}

/* ===== Screens (general) ===== */

.screen {
  padding: 56px 0 72px;
  min-height: 60vh;
}

.screen[hidden] {
  display: none;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--violet-500);
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--violet-900);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--violet-900);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--violet-900);
  margin-bottom: 8px;
}

.lede {
  font-size: 17px;
  color: var(--slate);
  max-width: 56ch;
  margin-bottom: 28px;
}

.lede-small {
  font-size: 15px;
  margin-bottom: 24px;
}

/* ===== Intro screen ===== */

.meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  list-style: none;
  margin-bottom: 28px;
}

.meta-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--violet-700);
  background: var(--violet-100);
  padding: 8px 14px;
  border-radius: 999px;
}

.meta-icon {
  font-size: 15px;
}

.notice {
  background: var(--violet-100);
  border-left: 3px solid var(--violet-500);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 13.5px;
  color: var(--slate);
  margin-bottom: 32px;
}

.notice strong {
  color: var(--violet-900);
}

/* ===== Buttons ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 13px 26px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--violet-500);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--violet-500);
  color: #fff;
}

.btn-primary:hover {
  background: var(--violet-700);
}

.btn-primary:disabled {
  background: var(--fog);
  color: var(--mist);
  cursor: not-allowed;
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-ghost {
  background: transparent;
  color: var(--slate);
  border: 1px solid var(--fog);
}

.btn-ghost:hover {
  background: var(--violet-100);
  color: var(--violet-700);
  border-color: var(--violet-300);
}

.btn-restart {
  margin-top: 24px;
}

/* ===== Form (contact screen) ===== */

#form-contact {
  margin-top: 8px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--violet-700);
  margin-bottom: 6px;
}

.field input,
.field select {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--fog);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--violet-500);
  box-shadow: 0 0 0 3px var(--violet-100);
}

.field input:invalid:not(:placeholder-shown) {
  border-color: var(--error);
}

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}

/* ===== Quiz screen ===== */

.progress-wrap {
  margin-bottom: 36px;
}

.progress-track {
  height: 6px;
  background: var(--fog);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-fill {
  height: 100%;
  background: var(--violet-500);
  border-radius: 999px;
  width: 0%;
  transition: width 300ms ease;
}

.progress-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--mist);
}

.question-axis-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--violet-500);
  background: var(--violet-100);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.question-text {
  font-size: clamp(19px, 3.5vw, 23px);
  font-weight: 700;
  color: var(--violet-900);
  line-height: 1.35;
  margin-bottom: 28px;
}

.scale-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 8px;
}

.scale-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--fog);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  background: #fff;
}

.scale-option:hover {
  border-color: var(--violet-300);
  background: var(--violet-100);
}

.scale-option input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--violet-500);
  flex-shrink: 0;
}

.scale-option.is-selected {
  border-color: var(--violet-500);
  background: var(--violet-100);
}

.scale-option-label {
  font-size: 15px;
  color: var(--ink);
  font-weight: 500;
}

.form-actions-quiz {
  margin-top: 32px;
}

/* ===== Loading screen ===== */

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 64px;
}

.loading-rings,
.result-rings {
  position: relative;
  width: 140px;
  height: 140px;
  margin-bottom: 28px;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--violet-300);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.ring-1 { width: 60px; height: 60px; border-color: var(--violet-500); }
.ring-2 { width: 95px; height: 95px; border-color: var(--violet-300); }
.ring-3 { width: 130px; height: 130px; border-color: var(--violet-100); }

.loading-rings .ring {
  animation: pulse-ring 1.6s ease-in-out infinite;
}
.loading-rings .ring-2 { animation-delay: 0.2s; }
.loading-rings .ring-3 { animation-delay: 0.4s; }

@keyframes pulse-ring {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.loading-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--violet-700);
}

@media (prefers-reduced-motion: reduce) {
  .loading-rings .ring {
    animation: none;
  }
}

/* ===== Result screen ===== */

.screen-result .wrap-narrow {
  text-align: center;
}

.result-rings {
  margin: 0 auto 28px;
}

.result-rings .ring-1 { background: var(--violet-500); border: none; }
.result-rings .ring-2 { border-color: var(--violet-300); }
.result-rings .ring-3 { border-color: var(--violet-100); }

#result-title {
  text-align: center;
}

.score-bar-wrap {
  max-width: 320px;
  margin: 0 auto 28px;
}

.score-bar-track {
  height: 10px;
  background: var(--fog);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
}

.score-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--violet-500);
  transition: width 800ms ease;
}

.score-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--violet-700);
}

.result-description {
  font-size: 16px;
  color: var(--slate);
  max-width: 52ch;
  margin: 0 auto 36px;
  text-align: center;
}

.result-axes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
  text-align: left;
}

.axis-card {
  background: #fff;
  border: 1px solid var(--fog);
  border-radius: var(--radius-md);
  padding: 16px;
}

.axis-card-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--mist);
  margin-bottom: 8px;
  display: block;
}

.axis-bar-track {
  height: 6px;
  background: var(--fog);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
}

.axis-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--violet-500);
}

.axis-card-value {
  font-size: 13px;
  font-weight: 700;
  color: var(--violet-700);
}

.result-cta {
  background: var(--violet-900);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
}

.result-cta h3 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 10px;
}

.result-cta p {
  color: var(--violet-300);
  font-size: 15px;
  max-width: 48ch;
  margin: 0 auto 24px;
}

.result-cta .btn-primary {
  background: #fff;
  color: var(--violet-900);
}

.result-cta .btn-primary:hover {
  background: var(--violet-100);
}

/* Profile accent colors */
.screen-result[data-profile="exposta"] .progress-fill,
.screen-result[data-profile="exposta"] .score-bar-fill {
  background: var(--error);
}
.screen-result[data-profile="defasada"] .score-bar-fill {
  background: var(--warning);
}
.screen-result[data-profile="madura"] .score-bar-fill {
  background: var(--success);
}

/* ===== Responsive ===== */

@media (max-width: 640px) {
  .screen {
    padding: 40px 0 56px;
  }

  .result-axes {
    grid-template-columns: 1fr;
  }

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

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

  .meta-list {
    gap: 8px;
  }

  .result-cta {
    padding: 28px 20px;
  }
}

@media (max-width: 400px) {
  .wrap, .wrap-narrow {
    padding: 0 16px;
  }
}