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

:root {
  --bg: #f5f2ed;
  --primary: #1e3d35;
  --primary-hover: #162e27;
  --text: #1a1a1a;
  --muted: #888;
  --border: #d8d4cc;
  --card-bg: #ffffff;
  --radius: 10px;
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
}

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

header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.logo-img {
  height: 44px;
  width: auto;
  max-width: 180px;
  display: block;
  object-fit: contain;
}

.progress-track {
  height: 3px;
  background: var(--border);
}
.progress-fill {
  height: 100%;
  background: var(--primary);
  transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

main {
  min-height: calc(100vh - 69px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 64px 20px 120px;
}

.slides { width: 100%; max-width: 540px; }

.slide { display: none; }
.slide.active {
  display: block;
  animation: fadeUp 0.35s ease forwards;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.step-pip {
  width: 32px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  margin-bottom: 28px;
}

.question {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(22px, 4.5vw, 30px);
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 32px;
  text-align: center;
  letter-spacing: -0.01em;
}

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

.option {
  width: 100%;
  padding: 15px 22px;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.12s, background 0.12s, color 0.12s, transform 0.1s;
  user-select: none;
}
.option:hover { border-color: var(--primary); transform: translateY(-1px); }
.option.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}
.card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 14px 20px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.12s, background 0.12s, color 0.12s, transform 0.1s;
  user-select: none;
}
.card:hover { border-color: var(--primary); transform: translateY(-2px); }
.card.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.card-icon { font-size: 26px; margin-bottom: 9px; display: block; }
.card-label {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

.welcome-content { text-align: center; }
.welcome-emoji { font-size: 50px; margin-bottom: 22px; display: block; }
.welcome-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(24px, 5vw, 34px);
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.welcome-sub {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  color: var(--muted);
  margin-bottom: 36px;
  line-height: 1.65;
}
.btn-start {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 15px 36px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background 0.15s, transform 0.1s;
  letter-spacing: -0.01em;
}
.btn-start:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-start svg { width: 15px; height: 15px; fill: #fff; }

.contact-form { display: flex; flex-direction: column; gap: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-field input,
.form-field select {
  width: 100%;
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
  appearance: none;
  -webkit-appearance: none;
}
.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%23888' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
.form-field input:focus,
.form-field select:focus { border-color: var(--primary); }
.form-field input::placeholder { color: #bbb; font-weight: 400; }
.form-field input.error,
.form-field select.error { border-color: #e53e3e; }
.field-error {
  font-size: 12px;
  color: #e53e3e;
  font-weight: 500;
  display: none;
  margin-top: -2px;
}
.field-error.visible { display: block; }

.btn-submit {
  margin-top: 8px;
  width: 100%;
  padding: 15px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background 0.15s, transform 0.1s;
  letter-spacing: -0.01em;
}
.btn-submit:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-submit svg { width: 15px; height: 15px; fill: #fff; }

.thinking-content { text-align: center; }
.thinking-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}
.thinking-dots span {
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
  display: inline-block;
  animation: bounce 1.2s ease-in-out infinite;
}
.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}
.thinking-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 300px;
  margin: 0 auto;
  text-align: left;
}
.thinking-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s;
}
.thinking-step.visible { opacity: 1; transform: translateY(0); }
.thinking-step.done { color: var(--primary); }
.step-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, border-color 0.3s;
}
.thinking-step.done .step-check {
  background: var(--primary);
  border-color: var(--primary);
}
.step-check svg { width: 10px; height: 10px; fill: #fff; display: none; }
.thinking-step.done .step-check svg { display: block; }

.congrats-content { text-align: center; }
.congrats-icon { font-size: 52px; margin-bottom: 20px; display: block; }
.congrats-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(24px, 5vw, 32px);
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.congrats-sub {
  font-size: 15px;
  font-weight: 400;
  color: var(--muted);
  margin-bottom: 36px;
  line-height: 1.6;
}

.built-by {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  background: rgba(245,242,237,0.92);
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  white-space: nowrap;
  backdrop-filter: blur(6px);
}