/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f6faf6;
  color: #1e2a22;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ===== Container ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-block;
  background: #4d6a53;
  color: #fff;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  transition: background 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: #3a5240; transform: translateY(-2px); }
.btn-primary.btn-large { font-size: 1.15rem; padding: 1rem 2.5rem; }
/* Lang toggle button */
.btn-lang {
  background: #edf6ef;
  border: 1px solid #c8d9cc;
  color: #35523c;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn-lang:hover { background: #ddf0e2; border-color: #a8c9b0; }

.btn-nav {
  background: #4d6a53;
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s;
}
.btn-nav:hover { background: #3a5240; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246,250,246,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #dbe8dd;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo { font-size: 1.4rem; font-weight: 800; color: #1e2a22; }
.logo span { color: #4d6a53; }
.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a { font-size: 0.95rem; color: #304034; font-weight: 500; transition: color 0.2s; }
.nav a:hover { color: #4d6a53; }

/* ===== Hero ===== */
.hero {
  background: radial-gradient(circle at top left, #f8fff8 0, #f0f7f1 50%, #e8f2ea 100%);
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero-inner { max-width: 780px; margin: 0 auto; padding: 0 1.25rem; }
.hero-badge {
  display: inline-block;
  background: #edf6ef;
  border: 1px solid #c8d9cc;
  color: #4d6a53;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  color: #1e2a22;
  margin-bottom: 1.25rem;
}
.hero-sub {
  font-size: 1.1rem;
  color: #4a5e50;
  max-width: 640px;
  margin: 0 auto 2rem;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2.5rem;
}
.stat { display: flex; flex-direction: column; align-items: center; }
.stat strong { font-size: 1.8rem; font-weight: 800; color: #4d6a53; }
.stat span { font-size: 0.85rem; color: #6a786f; }

/* ===== Section base ===== */
.section-what, .section-how, .section-types, .section-faq { padding: 5rem 0; }
.section-what { background: #fff; }
.section-how { background: #f6faf6; }
.section-types { background: #fff; }
.section-faq { background: #f6faf6; }

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: #1e2a22;
  margin-bottom: 1rem;
}
.section-sub {
  color: #6a786f;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* ===== What section ===== */
.what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-top: 2rem;
}
.what-text p { color: #304034; margin-bottom: 1rem; }
.what-card {
  background: #f6faf6;
  border: 1px solid #dbe8dd;
  border-radius: 1.25rem;
  padding: 2rem;
}
.what-card h3 { font-size: 1.2rem; margin-bottom: 1rem; color: #1e2a22; }
.what-card ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.what-card li { font-size: 0.95rem; color: #304034; }

/* ===== How section ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
.step {
  background: #fff;
  border: 1px solid #dbe8dd;
  border-radius: 1.25rem;
  padding: 2rem;
}
.step-num {
  width: 2.5rem;
  height: 2.5rem;
  background: #4d6a53;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.step p { font-size: 0.95rem; color: #4a5e50; }

/* ===== Types grid ===== */
.types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.type-card {
  background: #f6faf6;
  border: 1px solid #dbe8dd;
  border-radius: 1rem;
  padding: 0.75rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  transition: border-color 0.2s, transform 0.15s, background 0.2s;
  cursor: pointer;
}
.type-img {
  width: 100%;
  aspect-ratio: 28 / 29;
  object-fit: cover;
  border-radius: 0.625rem;
  margin-bottom: 0.25rem;
}
.type-card:hover { border-color: #4d6a53; background: #edf6ef; transform: translateY(-2px); }
.type-code { font-weight: 800; font-size: 1rem; color: #4d6a53; }
.type-name { font-size: 0.8rem; color: #6a786f; text-align: center; }
.type-tagline { font-size: 0.75rem; color: #4d6a53; text-align: center; line-height: 1.4; font-style: italic; }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.faq-item {
  background: #fff;
  border: 1px solid #dbe8dd;
  border-radius: 1rem;
  padding: 1.5rem 2rem;
}
.faq-item h3 { font-size: 1.05rem; margin-bottom: 0.5rem; color: #1e2a22; }
.faq-item p { font-size: 0.95rem; color: #4a5e50; }

/* ===== CTA ===== */
.section-cta {
  background: linear-gradient(135deg, #4d6a53 0%, #3a5240 100%);
  padding: 5rem 0;
  text-align: center;
}
.cta-inner { max-width: 680px; margin: 0 auto; padding: 0 1.25rem; }
.section-cta h2 { color: #fff; }
.section-cta p { color: rgba(255,255,255,0.85); margin: 1rem 0 2rem; font-size: 1.05rem; }
.section-cta .btn-primary { background: #fff; color: #4d6a53; }
.section-cta .btn-primary:hover { background: #edf6ef; }

/* ===== Footer ===== */
.site-footer { background: #1e2a22; color: #a8bfad; padding: 3rem 0 0; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
}
.footer-brand .logo { color: #fff; font-size: 1.3rem; }
.footer-brand p { margin-top: 0.75rem; font-size: 0.9rem; line-height: 1.6; }
.footer-links h4 { color: #fff; font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-types { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.footer-types a {
  background: rgba(255,255,255,0.07);
  color: #a8bfad;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  transition: background 0.2s, color 0.2s;
}
.footer-types a:hover { background: #4d6a53; color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.85rem;
}

/* ===== Test Page ===== */
.test-hero {
  background: radial-gradient(circle at top left, #f8fff8 0, #f0f7f1 100%);
  padding: 3rem 0 2rem;
  text-align: center;
}
.test-hero h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 0.75rem; }
.test-hero p { color: #6a786f; font-size: 1rem; }
.test-section { padding: 2rem 0 5rem; }
.test-wrapper { max-width: 780px; margin: 0 auto; }
.progress-bar-wrap {
  background: #edf3ee;
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #97b59c, #4d6a53);
  border-radius: 999px;
  transition: width 0.4s ease;
  width: 0%;
}
.progress-label { font-size: 0.85rem; color: #6a786f; text-align: right; margin-bottom: 2rem; }
.questions-list { display: flex; flex-direction: column; gap: 1.25rem; }
.question-card {
  background: #fff;
  border: 1px solid #dbe8dd;
  border-radius: 1.125rem;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(47,73,55,0.04);
}
.question-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.question-num {
  background: #edf6ef;
  border: 1px solid #dbe8dd;
  color: #4d6a53;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}
.question-text { font-size: 1rem; line-height: 1.7; color: #1e2a22; margin-bottom: 1rem; font-weight: 500; white-space: normal; overflow: visible; word-break: break-word; }
.options-list { display: flex; flex-direction: column; gap: 0.6rem; }
.option-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid #dbe8dd;
  border-radius: 0.875rem;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
}
.option-label:hover { border-color: #bcd0c1; background: #f8fcf9; transform: translateY(-1px); }
.option-label.selected { border-color: #4d6a53; background: #edf6ef; }
.option-label input[type="radio"] { display: none; }
.option-letter { font-weight: 800; color: #4d6a53; min-width: 1.25rem; font-size: 0.95rem; }
.option-text { font-size: 0.9rem; color: #304034; line-height: 1.6; white-space: normal; word-break: break-word; }
.test-footer {
  background: rgba(255,255,255,0.95);
  border: 1px solid #dbe8dd;
  border-radius: 1.375rem;
  padding: 1.5rem;
  margin-top: 2rem;
  box-shadow: 0 16px 40px rgba(47,73,55,0.08);
}
.test-footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.test-footer-hint { font-size: 0.9rem; color: #6a786f; }
.test-footer-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn-secondary {
  background: #fff;
  border: 1px solid #dbe8dd;
  color: #4d6a53;
  padding: 0.75rem 1.25rem;
  border-radius: 0.875rem;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.btn-secondary:hover { background: #f8fcf9; transform: translateY(-1px); }
.btn-submit {
  background: #4d6a53;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 0.875rem;
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  box-shadow: 0 8px 24px rgba(77,106,83,0.2);
}
.btn-submit:hover:not(:disabled) { background: #3a5240; transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.45; cursor: not-allowed; }

/* ===== Result Card (shareable) ===== */
.result-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto 1.5rem;
  border-radius: 1.5rem;
  overflow: hidden;
  background: linear-gradient(160deg, #e8f5eb 0%, #f0f7f1 50%, #dff0e4 100%);
  border: 1px solid #c8d9cc;
  box-shadow: 0 12px 40px rgba(47,73,55,0.12);
  padding: 2rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.result-type-img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 1rem;
  box-shadow: 0 8px 24px rgba(47,73,55,0.15);
}
.result-card .result-type-code {
  font-size: 2.8rem;
  font-weight: 900;
  color: #2d4a33;
  line-height: 1;
  margin: 0;
}
.result-card .result-type-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: #4d6a53;
  margin: 0;
}
.result-card-site {
  font-size: 0.75rem;
  color: #8aaa90;
  margin-top: 0.25rem;
  letter-spacing: 0.05em;
}

/* ===== Result Page ===== */
.result-section { padding: 4rem 0; }
.result-wrapper { max-width: 520px; margin: 0 auto; text-align: center; }
.result-badge {
  display: inline-block;
  background: #edf6ef;
  border: 1px solid #c8d9cc;
  color: #4d6a53;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.result-desc {
  background: #fff;
  border: 1px solid #dbe8dd;
  border-radius: 1.25rem;
  padding: 1.5rem 2rem;
  text-align: left;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  color: #304034;
  line-height: 1.8;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.result-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-bottom: 0.5rem; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .what-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
  .types-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .test-footer-inner { flex-direction: column; align-items: flex-start; }
}