/* ─────────────────────────────────────
   EXACT DERILA BRAND TOKENS
───────────────────────────────────── */
:root {
  --green:       #2a7a5a;
  --green-dark:  #1f5e44;
  --green-light: #eaf5ef;
  --green-pale:  #f4fbf7;
  --green-mid:   #3a9a6e;

  --ink:         #1a1a1a;
  --body:        #3d3d3d;
  --muted:       #737373;
  --faint:       #a8a8a8;

  --bg:          #ffffff;
  --surface:     #ffffff;
  --grey-bg:     #f7f7f7;
  --border:      #e8e8e8;
  --border-mid:  #d4d4d4;

  --gold:        #d4892a;
  --gold-bg:     #fef9f1;
  --warn:        #c0392b;
  --warn-bg:     #fff5f4;
  --warn-border: #f5c6c1;

  --r:    10px;
  --r-lg: 16px;
  --r-xl: 20px;

  --sh-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --sh-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --sh-lg: 0 8px 24px rgba(0,0,0,0.10), 0 3px 6px rgba(0,0,0,0.05);
}

*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  min-height: 100dvh;
}

.announce-bar {
  background: var(--ink);
  color: #fff;
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  padding: 10px 16px;
  letter-spacing: 0.1px;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.5px;
}
.brand-name span { color: var(--green); }

.page {
  max-width: 540px;
  margin: 0 auto;
  padding: 0 16px 56px;
}

.hero {
  padding: 24px 0 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.hero-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 5px 13px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(22px, 6vw, 32px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.4px;
}
.hero-sub {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 360px;
  margin: 0 auto 16px;
}

.stars-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.stars { color: #f59e0b; font-size: 14px; letter-spacing: 1px; }

.meta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 12px;
  color: #767676;
  flex-wrap: wrap;
}
.meta-dot { color: var(--border-mid); }

.disclosure-text {
  text-align: center;
  font-size: 10px;
  color: #888;
  padding: 7px 16px 0;
  line-height: 1.5;
}

.prog-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 10px 0 9px;
  margin-bottom: 16px;
  display: none;
}
.prog-wrap.show { display: block; }

.prog-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}
.prog-head strong { color: var(--green); }

.prog-track {
  width: 100%;
  height: 5px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}
.prog-bar {
  height: 100%;
  background: var(--green);
  border-radius: 100px;
  transition: width 0.4s cubic-bezier(.4,0,.2,1);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 26px 20px 22px;
  box-shadow: var(--sh-md);
  display: none;
  animation: up 0.28s ease forwards;
}
.card.active { display: block; }

@keyframes up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.intro-card {
  text-align: center;
  padding: 30px 22px 26px;
}
.intro-icon { font-size: 56px; margin-bottom: 14px; line-height: 1; }
.intro-card h2 {
  font-size: clamp(19px, 5vw, 25px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.3px;
  margin-bottom: 10px;
}
.intro-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 330px;
  margin-left: auto; margin-right: auto;
}

.chips {
  display: flex;
  justify-content: center;
  gap: 7px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.chip {
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-light);
  padding: 5px 12px;
  border-radius: 100px;
}

.q-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 8px;
}
.q-text {
  font-size: clamp(17px, 4.5vw, 21px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -0.2px;
  margin-bottom: 18px;
}
.q-note {
  font-size: 12px;
  color: var(--faint);
  margin-bottom: 13px;
  font-style: italic;
}

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

.opt {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 15px;
  border-radius: var(--r);
  border: 1.5px solid var(--border);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  min-height: 52px;
  box-shadow: var(--sh-sm);
  -webkit-user-select: none;
  user-select: none;
}
.opt:hover {
  border-color: var(--green);
  background: var(--green-pale);
  box-shadow: 0 0 0 3px rgba(42,122,90,0.08);
}
.opt.sel {
  border-color: var(--green);
  background: var(--green-light);
  box-shadow: 0 0 0 3px rgba(42,122,90,0.12);
}
.opt:active { transform: scale(0.99); }

.opt-ico { font-size: 19px; min-width: 26px; text-align: center; }
.opt-lbl { flex: 1; line-height: 1.35; }

.opt-radio {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-mid);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
}
.opt-radio::after {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: transparent;
  transition: all 0.15s;
}
.opt.sel .opt-radio { border-color: var(--green); }
.opt.sel .opt-radio::after { background: var(--green); }

.opt-check {
  width: 20px; height: 20px;
  border-radius: 5px;
  border: 2px solid var(--border-mid);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  color: transparent;
  transition: all 0.15s;
}
.opt.sel .opt-check {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.nav { display: flex; gap: 8px; margin-top: 18px; }

.btn {
  border: none;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--r);
  transition: all 0.18s;
  -webkit-tap-highlight-color: transparent;
  font-size: 14px;
}
.btn-back {
  background: var(--grey-bg);
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 13px 17px;
  flex-shrink: 0;
}
.btn-back:hover { background: var(--border); color: var(--ink); }

.btn-next {
  flex: 1;
  padding: 14px;
  background: var(--green);
  color: #fff;
  font-size: 15px;
  letter-spacing: 0.1px;
}
.btn-next:hover  { background: var(--green-dark); }
.btn-next:active { transform: scale(0.99); }
.btn-next:disabled { opacity: 0.3; cursor: not-allowed; transform: none !important; }

.btn-start {
  display: block;
  width: 100%;
  padding: 16px;
  background: var(--green);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: var(--r);
  cursor: pointer;
  text-align: center;
  transition: all 0.18s;
  box-shadow: 0 4px 16px rgba(42,122,90,0.28);
  letter-spacing: 0.1px;
  -webkit-tap-highlight-color: transparent;
}
.btn-start:hover  { background: var(--green-dark); box-shadow: 0 6px 20px rgba(42,122,90,0.36); }
.btn-start:active { transform: scale(0.99); }

#loadScreen {
  display: none;
  text-align: center;
  padding: 60px 20px;
}
.spin {
  width: 44px; height: 44px;
  border: 3px solid var(--green-light);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: rot 0.85s linear infinite;
  margin: 0 auto 20px;
}
@keyframes rot { to { transform: rotate(360deg); } }
.load-h { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.load-s { font-size: 13px; color: var(--muted); }

#resultScreen { display: none; }

.res-panel {
  background: var(--green-light);
  border: 1px solid rgba(42,122,90,0.2);
  border-radius: var(--r-xl);
  padding: 24px 20px;
  text-align: center;
  margin-bottom: 14px;
}
.res-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 5px 13px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.res-title {
  font-size: clamp(19px, 5vw, 26px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.3px;
  margin-bottom: 9px;
}
.res-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 400px;
  margin: 0 auto;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 8px;
  margin-bottom: 14px;
}
.stat-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 8px;
  text-align: center;
  box-shadow: var(--sh-sm);
}
.stat-val {
  font-size: 20px;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.3px;
  margin-bottom: 3px;
  line-height: 1.2;
}
.stat-lbl {
  font-size: 10px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  line-height: 1.4;
}

.sx-card {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--r);
  padding: 15px 16px;
  margin-bottom: 12px;
}
.sx-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--warn);
  margin-bottom: 11px;
}
.sx-tag {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--warn-border);
  color: #8b2e28;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 11px;
  border-radius: 100px;
  margin: 3px;
}

.pillow-alert {
  display: none;
  align-items: flex-start;
  gap: 10px;
  background: #fffbf0;
  border: 1px solid #f0d480;
  border-left: 3px solid #d4892a;
  border-radius: var(--r);
  padding: 13px 15px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #5c4a10;
  line-height: 1.55;
}
.pillow-alert strong { color: #8a6310; }

.needs-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 20px;
  margin-bottom: 12px;
  box-shadow: var(--sh-sm);
}
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
}

.feat-hero {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--green-light);
  border: 1px solid rgba(42,122,90,0.18);
  border-radius: var(--r);
  padding: 15px;
  margin-bottom: 14px;
}
.feat-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.feat-hero h5 { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 3px; }
.feat-hero p  { font-size: 13px; color: var(--muted); line-height: 1.5; }

.checklist { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--body);
  line-height: 1.45;
}
.ck {
  width: 20px; height: 20px;
  min-width: 20px;
  border-radius: 50%;
  background: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  font-weight: 800;
  color: #fff;
  margin-top: 1px;
}

.compare-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: var(--sh-sm);
}
.compare-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background: var(--grey-bg);
  border-bottom: 1px solid var(--border);
}
.compare-header div {
  padding: 11px 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  text-align: center;
}
.compare-header .col-ergo {
  background: var(--green);
  color: #fff;
}
.compare-header .col-feat { color: var(--muted); text-align: left; padding-left: 14px; }
.compare-header .col-std  { color: var(--muted); }

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
}
.compare-row:last-child { border-bottom: none; }
.compare-row div {
  padding: 11px 10px;
  font-size: 13px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.compare-row .col-feat {
  font-size: 12px;
  color: var(--body);
  font-weight: 500;
  text-align: left;
  justify-content: flex-start;
  padding-left: 14px;
}
.col-ergo { background: var(--green-pale); }
.yes { color: var(--green); font-size: 16px; font-weight: 800; }
.no  { color: #d4d4d4; font-size: 16px; font-weight: 800; }

.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--sh-lg);
}
.product-header {
  background: var(--green);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-header .eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}
.product-header .rec {
  background: rgba(255,255,255,0.18);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
}
.product-body { padding: 20px 18px; }

.product-name {
  font-size: clamp(18px, 4.5vw, 23px);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.3px;
  line-height: 1.2;
  margin-bottom: 5px;
}
.product-name span { color: var(--green); }

.product-stars {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.product-stars .s { color: #f59e0b; font-size: 13px; }

.product-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-feats { display: flex; flex-direction: column; gap: 9px; margin-bottom: 18px; }
.product-feat {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--body);
  line-height: 1.4;
}
.product-feat .pck {
  width: 20px; height: 20px;
  min-width: 20px;
  background: var(--green-light);
  border: 1.5px solid rgba(42,122,90,0.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  font-weight: 800;
  color: var(--green);
  margin-top: 1px;
}

.divider { height: 1px; background: var(--border); margin: 16px 0; }

.cta-btn {
  display: block;
  width: 100%;
  padding: 17px 16px;
  background: var(--green);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: var(--r);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  margin-bottom: 10px;
  box-shadow: 0 4px 16px rgba(42,122,90,0.3);
  transition: all 0.2s;
  letter-spacing: 0.1px;
  -webkit-tap-highlight-color: transparent;
}
.cta-btn:hover  { background: var(--green-dark); box-shadow: 0 8px 24px rgba(42,122,90,0.4); }
.cta-btn:active { transform: scale(0.99); }

.guarantee-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  flex-wrap: wrap;
  margin-bottom: 14px;
  text-align: center;
}
.g-sep { color: var(--border-mid); }

.trust-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.reviews-section { margin-bottom: 14px; }
.reviews-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
  text-align: center;
}
.review-cards { display: flex; flex-direction: column; gap: 9px; }
.review-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 15px;
  box-shadow: var(--sh-sm);
}
.review-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 7px;
}
.reviewer { font-size: 13px; font-weight: 700; color: var(--ink); }
.review-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-light);
  padding: 3px 8px;
  border-radius: 100px;
}
.review-stars { color: #f59e0b; font-size: 12px; margin-bottom: 6px; }
.review-text  { font-size: 13px; color: var(--muted); line-height: 1.55; }

.footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 11px;
  color: #767676;
  line-height: 1.75;
}
.footer a { color: #767676; text-decoration: underline; }

@media (max-width: 380px) {
  .stat-val { font-size: 17px; }
  .compare-row .col-feat { font-size: 11px; }
}