/* ─── Reset & Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #fafaf8;
  --text:      #1c1c1c;
  --sub:       #6b6b6b;
  --btn-idle:  #f0eeeb;
  --btn-hover: #e8e4df;
  --btn-sel:   #1c1c1c;
  --btn-sel-t: #fafaf8;
  --border:    #e5e3df;
  --accent:    #1c1c1c;
  --bar-bg:    #eeece9;

  --level-green:  #2d6a4f;
  --level-yellow: #b5891a;
  --level-orange: #c0622a;
  --level-red:    #9b2226;
}

html, body {
  height: 100%;
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ─── Screens ──────────────────────────────────────────────────────── */
.screen {
  display: none;
  min-height: 100vh;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.screen.active {
  display: flex;
  flex-direction: column;
}

.screen.visible {
  opacity: 1;
}

.container {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ─── Intro Screen ─────────────────────────────────────────────────── */
#screen-intro {
  justify-content: center;
  align-items: center;
}

.intro-content {
  padding: 48px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
}

.intro-hook {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #1c1c1c 0%, #b0b0b0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.25));
}

.intro-body {
  font-size: 16px;
  line-height: 1.65;
  color: var(--sub);
  max-width: 420px;
}

.intro-what {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}

.intro-what-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sub);
}

.intro-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.intro-list li {
  font-size: 15px;
  line-height: 1.4;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-align: left;
}

.intro-list li::before {
  content: '→';
  color: var(--sub);
  font-size: 11px;
  flex-shrink: 0;
}

.intro-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sub);
  padding-top: 4px;
}

.sep { opacity: 0.4; }

.intro-disclaimer {
  font-size: 11px;
  line-height: 1.55;
  color: var(--border);
  letter-spacing: 0.01em;
  max-width: 400px;
}

/* ─── Buttons ──────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  font-family: inherit;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
  border-radius: 980px;
}

.btn-primary:hover {
  opacity: 0.82;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  opacity: 1;
}

/* ─── Progress Bar ─────────────────────────────────────────────────── */
.progress-wrap {
  width: 100%;
  height: 4px;
  background: var(--bar-bg);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
}

.progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.4s ease;
}

/* ─── Quiz Screen ──────────────────────────────────────────────────── */
#screen-quiz {
  justify-content: center;
  align-items: center;
  padding-top: 2px;
}

.quiz-content {
  padding: 80px 0 64px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: center;
}

.question-counter {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sub);
  margin-bottom: 36px;
  display: block;
}

.question-wrapper {
  animation: slideUp 0.3s ease forwards;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.question-text {
  font-size: 22px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.02em;
  margin-bottom: 44px;
}

/* ─── Answer Options ───────────────────────────────────────────────── */
.answers {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.answer-btn {
  width: 100%;
  padding: 16px 20px;
  background: var(--btn-idle);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 15px;
  font-weight: 300;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
  letter-spacing: 0.01em;
  border-radius: 12px;
}

.answer-btn:hover {
  background: var(--btn-hover);
  border-color: var(--border);
}

.answer-btn.selected {
  background: var(--btn-sel);
  color: var(--btn-sel-t);
  border-color: var(--btn-sel);
}

.btn-back {
  margin-top: 44px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 13px;
  color: var(--sub);
  cursor: pointer;
  letter-spacing: 0.02em;
  align-self: flex-start;
  padding: 0;
  transition: color 0.15s ease;
}

.btn-back:hover { color: var(--text); }
.btn-back:disabled { opacity: 0.3; cursor: default; }

/* ─── Teaser Screen ────────────────────────────────────────────────── */
#screen-teaser {
  align-items: center;
}

.teaser-content {
  padding: 48px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.teaser-title {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ─── Level Badge ──────────────────────────────────────────────────── */
.level-badge {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 4px 0;
}

.level-bar {
  width: 120px;
  height: 3px;
  background: var(--bar-bg);
}

.level-bar-fill {
  height: 100%;
  transition: width 0.9s ease;
}

.level-text {
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: 400;
}

/* ─── Dimensions ───────────────────────────────────────────────────── */
.dimensions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  text-align: left;
}

.dimension { display: flex; flex-direction: column; gap: 8px; }

.dim-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dim-label {
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--sub);
}

.dim-score {
  font-size: 12px;
  color: var(--sub);
}

.dim-bar-bg {
  width: 100%;
  height: 2px;
  background: var(--bar-bg);
}

.dim-bar-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.9s ease;
}

/* Locked dimension */
.dimension.locked .dim-label,
.dimension.locked .dim-score {
  color: var(--border);
}

.locked-score { letter-spacing: 0.1em; }

.locked-fill {
  background: var(--bar-bg);
  filter: blur(2px);
}

.locked-hint {
  font-size: 11px;
  color: var(--border);
  letter-spacing: 0.04em;
  font-style: italic;
}

/* ─── Teaser Summary ───────────────────────────────────────────────── */
.teaser-summary-block {
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  width: 100%;
}

.teaser-text {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  font-style: italic;
  text-align: left;
}

/* ─── Email Capture ────────────────────────────────────────────────── */
.email-capture {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  text-align: left;
}

.email-label {
  font-size: 15px;
  line-height: 1.6;
  color: var(--sub);
}

.email-fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.email-input {
  width: 100%;
  padding: 15px 18px;
  background: var(--btn-idle);
  border: 1px solid transparent;
  border-radius: 12px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 300;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s ease;
}

.email-input::placeholder { color: var(--sub); }
.email-input:focus { border-color: var(--accent); }

.btn-full {
  width: 100%;
  border-radius: 12px;
}

.email-legal {
  font-size: 12px;
  color: var(--border);
  letter-spacing: 0.02em;
}

/* ─── Confirmation Screen ──────────────────────────────────────────── */
#screen-confirm {
  justify-content: center;
  align-items: center;
}

.confirm-content {
  padding: 48px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.confirm-main {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text);
}

.confirm-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--sub);
  max-width: 320px;
}

/* ─── Level Colors ─────────────────────────────────────────────────── */
.level-green  { color: var(--level-green);  }
.level-yellow { color: var(--level-yellow); }
.level-orange { color: var(--level-orange); }
.level-red    { color: var(--level-red);    }

.fill-green  { background: var(--level-green);  }
.fill-yellow { background: var(--level-yellow); }
.fill-orange { background: var(--level-orange); }
.fill-red    { background: var(--level-red);    }

/* ─── Desktop ──────────────────────────────────────────────────────── */
@media (min-width: 680px) {
  .intro-hook     { font-size: 28px; }
  .question-text  { font-size: 22px; }
  .teaser-title   { font-size: 28px; }
  .confirm-main   { font-size: 40px; }

  .btn-full {
    align-self: center;
    width: auto;
    border-radius: 980px;
  }
}