/* =========================================================
   SCOOP'D — Sub-page styles
   Academy · Feedback survey · Next Drop survey
   Loaded after style.css; inherits all tokens from it.
   ========================================================= */

/* ============ COMPACT PAGE HERO ============ */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 78px) 0 62px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero__inner { position: relative; z-index: 1; max-width: 760px; }
.page-hero h1 { font-size: clamp(2.6rem, 6vw, 4.2rem); margin-bottom: 18px; }
.page-hero p { color: var(--steel-dim); font-size: 1.06rem; max-width: 58ch; }
.page-hero__pattern {
  position: absolute; inset: 0; z-index: 0;
  background-image: radial-gradient(rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, #000, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent);
}
.page-hero__glow {
  position: absolute;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: var(--orange);
  filter: blur(120px);
  opacity: 0.13;
  top: -280px; right: -140px;
  z-index: 0;
  pointer-events: none;
}

.crumbs {
  display: flex; align-items: center; gap: 9px;
  font-size: 0.8rem; color: var(--steel-dim); margin-bottom: 18px;
}
.crumbs a { transition: color var(--t-fast) var(--ease-out-quart); }
.crumbs a:hover { color: var(--orange); }
.crumbs .sep { opacity: 0.4; }

/* =========================================================
   ACADEMY
   ========================================================= */

/* --- filter tabs --- */
.tabs {
  position: relative;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 6px;
  border-radius: 999px;
  background: var(--graphite);
  border: 1px solid var(--line);
  width: fit-content;
  margin: 0 auto 42px;
}
.tab {
  position: relative;
  z-index: 1;
  padding: 10px 21px;
  border: none;
  background: none;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--steel-dim);
  cursor: pointer;
  transition: color var(--t-mid) var(--ease-out-quart);
}
.tab:hover { color: var(--white); }
.tab.is-active { color: var(--black); }
/* the pill that slides between tabs */
.tabs__thumb {
  position: absolute;
  top: 6px; left: 6px;
  height: calc(100% - 12px);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--orange), var(--orange-dim));
  transition: transform 520ms var(--ease-out-expo), width 520ms var(--ease-out-expo);
  z-index: 0;
  pointer-events: none;
}

/* --- article grid --- */
.lessons {
  display: grid;
  /* min() lets the track shrink below 300px on very narrow phones */
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: 22px;
}
.lesson {
  position: relative;
  display: flex;
  flex-direction: column;
  text-align: left;
  background: linear-gradient(165deg, var(--graphite), var(--black-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  transition:
    transform var(--t-mid) var(--ease-out-expo),
    border-color var(--t-mid) var(--ease-out-quart),
    box-shadow var(--t-mid) var(--ease-out-quart),
    opacity 420ms var(--ease-out-quart);
}
.lesson:hover {
  transform: translateY(-9px);
  border-color: rgba(255,106,24,0.38);
  box-shadow: 0 28px 60px rgba(0,0,0,0.55);
}
.lesson.is-filtered-out {
  display: none;
}
.lesson__media {
  position: relative;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 90% at 50% 120%, rgba(255,106,24,0.24), transparent 70%),
    var(--black);
  border-bottom: 1px solid var(--line);
}
.lesson__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 800ms var(--ease-out-expo); }
.lesson:hover .lesson__media img { transform: scale(1.06); }
.lesson__glyph {
  font-size: 3rem;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,0.65));
  transition: transform 620ms var(--ease-spring);
}
.lesson:hover .lesson__glyph { transform: translateY(-6px) scale(1.1); }
.lesson__tag {
  position: absolute;
  top: 12px; left: 12px;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(11,11,11,0.82);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line-strong);
  color: var(--orange);
}
.lesson__body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; gap: 9px; }
.lesson h3 { font-size: 1.2rem; }
.lesson p { color: var(--steel-dim); font-size: 0.9rem; flex: 1; }
.lesson__foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--steel-dim);
}
.lesson__read { color: var(--orange); font-weight: 700; display: inline-flex; align-items: center; gap: 7px; }
.lesson__read span { transition: transform var(--t-mid) var(--ease-out-expo); }
.lesson:hover .lesson__read span { transform: translateX(5px); }

/* --- reading sheet (slides up over the page) --- */
.reader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: end center;
  visibility: hidden;
  pointer-events: none;
}
.reader.is-open { visibility: visible; pointer-events: auto; }
.reader__scrim {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 4, 0.72);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 420ms var(--ease-out-quart);
}
.reader.is-open .reader__scrim { opacity: 1; }
.reader__sheet {
  position: relative;
  width: min(760px, 100%);
  max-height: 92vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--black-soft);
  border: 1px solid var(--line-strong);
  border-bottom: none;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 40px 44px 60px;
  transform: translateY(100%);
  transition: transform 620ms var(--ease-out-expo);
  box-shadow: 0 -30px 80px rgba(0,0,0,0.7);
}
.reader.is-open .reader__sheet { transform: translateY(0); }
.reader__grip {
  width: 46px; height: 4px; border-radius: 3px;
  background: var(--line-strong);
  margin: -18px auto 22px;
}
.reader__close {
  position: absolute;
  top: 20px; right: 22px;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--graphite);
  color: var(--steel);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background var(--t-mid) var(--ease-out-quart), transform var(--t-mid) var(--ease-spring), color var(--t-fast) linear;
}
.reader__close:hover { background: var(--orange); color: var(--black); transform: rotate(90deg); }

.reader__eyebrow {
  display: inline-block;
  color: var(--orange);
  font-weight: 700; font-size: 0.75rem; letter-spacing: 2.6px;
  text-transform: uppercase; margin-bottom: 10px;
}
.reader__sheet h2 { font-size: clamp(1.7rem, 4vw, 2.3rem); margin-bottom: 6px; }
.reader__meta { color: var(--steel-dim); font-size: 0.82rem; margin-bottom: 26px; }

/* article typography */
.prose > * + * { margin-top: 18px; }
.prose p { color: var(--steel); font-size: 1rem; line-height: 1.72; }
.prose h3 {
  font-size: 1.22rem;
  margin-top: 34px;
  color: var(--white);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.prose strong { color: var(--white); font-weight: 700; }
.prose ul { display: flex; flex-direction: column; gap: 11px; }
.prose ul li {
  position: relative;
  padding-left: 24px;
  color: var(--steel);
  font-size: 0.97rem;
}
.prose ul li::before {
  content: '';
  position: absolute;
  left: 2px; top: 0.62em;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--orange);
}
.prose .callout {
  padding: 20px 22px;
  border-radius: 14px;
  background: rgba(255,106,24,0.07);
  border: 1px solid rgba(255,106,24,0.28);
  border-left-width: 3px;
  font-size: 0.95rem;
}
.prose .callout strong { color: var(--orange); }

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.prose thead th {
  background: var(--graphite);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.86rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: left;
  padding: 12px 15px;
}
.prose tbody td { padding: 12px 15px; border-top: 1px solid var(--line); color: var(--steel-dim); }
.prose tbody td:first-child { color: var(--white); font-weight: 600; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* --- protein calculator widget --- */
.pcalc {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  background: var(--graphite);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 940px;
  margin: 0 auto;
}
.pcalc__field { margin-bottom: 24px; }
.pcalc__field:last-child { margin-bottom: 0; }
.pcalc__label {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.88rem; font-weight: 700; color: var(--white); margin-bottom: 10px;
}
.pcalc__label b { color: var(--orange); font-variant-numeric: tabular-nums; }
.pcalc input[type="range"] { width: 100%; accent-color: var(--orange); height: 6px; cursor: grab; }

.seg {
  display: grid;
  grid-auto-flow: column;
  gap: 5px;
  padding: 5px;
  border-radius: 12px;
  background: var(--black-soft);
  border: 1px solid var(--line);
}
.seg button {
  padding: 11px 8px;
  border: none;
  background: none;
  border-radius: 9px;
  color: var(--steel-dim);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--t-mid) var(--ease-out-quart), color var(--t-mid) var(--ease-out-quart), transform 140ms var(--ease-out-quart);
}
.seg button:hover { color: var(--white); }
.seg button:active { transform: scale(0.96); }
.seg button.is-on { background: var(--orange); color: var(--black); }

.pcalc__out {
  text-align: center;
  padding: 32px 26px;
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(255,106,24,0.14), rgba(255,106,24,0.03));
  border: 1px solid rgba(255,106,24,0.32);
}
.pcalc__big {
  font-family: var(--font-head);
  font-size: 3.6rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.pcalc__big small { font-size: 1.2rem; color: var(--steel-dim); margin-left: 4px; }
.pcalc__cap { color: var(--steel-dim); font-size: 0.86rem; margin-top: 8px; }
.pcalc__split {
  margin-top: 20px; padding-top: 18px;
  border-top: 1px solid rgba(255,106,24,0.24);
  display: flex; justify-content: space-around; gap: 12px;
}
.pcalc__split div span { display: block; font-size: 0.72rem; color: var(--steel-dim); letter-spacing: 0.6px; }
.pcalc__split div b { font-family: var(--font-head); font-size: 1.5rem; color: var(--orange); font-variant-numeric: tabular-nums; }
.pcalc__note { grid-column: 1 / -1; font-size: 0.75rem; color: var(--steel-dim); font-style: italic; opacity: 0.75; }

/* --- myth flip cards --- */
.myths { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.myth { perspective: 1200px; height: 210px; cursor: pointer; background: none; border: none; padding: 0; }
.myth__inner {
  position: relative;
  width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform 720ms var(--ease-out-expo);
}
.myth.is-flipped .myth__inner { transform: rotateY(180deg); }
.myth__face {
  position: absolute;
  inset: 0;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  text-align: left;
}
.myth__face--front { background: var(--graphite); }
.myth__face--back {
  transform: rotateY(180deg);
  background: linear-gradient(155deg, rgba(255,106,24,0.16), var(--black-soft));
  border-color: rgba(255,106,24,0.34);
}
.myth__kicker { font-size: 0.68rem; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--steel-dim); }
.myth__face--back .myth__kicker { color: var(--orange); }
.myth__face p { font-size: 0.95rem; color: var(--white); font-weight: 600; }
.myth__face--back p { color: var(--steel); font-weight: 400; font-size: 0.9rem; }
.myth__hint { font-size: 0.72rem; color: var(--steel-dim); margin-top: auto; }

/* =========================================================
   SURVEY ENGINE
   ========================================================= */
.survey-wrap {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-h) + 40px) 0 70px;
  position: relative;
  overflow: hidden;
}

.survey {
  position: relative;
  width: min(660px, 100%);
  margin: 0 auto;
  background: var(--graphite);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: 0 40px 100px rgba(0,0,0,0.6);
  overflow: hidden;
}

/* --- progress --- */
.survey__top { padding: 26px 34px 0; }
.survey__meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.74rem; font-weight: 700; letter-spacing: 1.6px;
  text-transform: uppercase; color: var(--steel-dim);
  margin-bottom: 12px;
}
.survey__meta .count { color: var(--orange); font-variant-numeric: tabular-nums; }
.survey__bar {
  height: 4px;
  border-radius: 3px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.survey__bar i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--orange-dim), var(--orange));
  transition: width 620ms var(--ease-out-expo);
}

/* --- the sliding stage --- */
.survey__stage {
  position: relative;
  padding: 30px 34px 34px;
  min-height: 330px;
}
.q {
  position: absolute;
  inset: 30px 34px 34px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(38px) scale(0.985);
  transition:
    opacity 380ms var(--ease-out-quart),
    transform 560ms var(--ease-out-expo),
    visibility 0s linear 560ms;
  pointer-events: none;
}
.q.is-current {
  position: relative;
  inset: auto;
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
  transition-delay: 0s;
}
.q.is-past { transform: translateX(-38px) scale(0.985); }

.q__num { font-size: 0.72rem; font-weight: 800; letter-spacing: 2.2px; color: var(--orange); text-transform: uppercase; margin-bottom: 10px; }
.q h2 { font-size: clamp(1.35rem, 3.4vw, 1.75rem); margin-bottom: 8px; }
.q__hint { color: var(--steel-dim); font-size: 0.88rem; margin-bottom: 22px; }

/* --- option chips --- */
.opts { display: grid; gap: 10px; }
.opts--two { grid-template-columns: 1fr 1fr; }
.opts--grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }

.opt {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  padding: 15px 18px;
  border-radius: 13px;
  border: 1px solid var(--line-strong);
  background: var(--black-soft);
  color: var(--steel);
  font-size: 0.94rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition:
    border-color var(--t-mid) var(--ease-out-quart),
    background var(--t-mid) var(--ease-out-quart),
    transform 180ms var(--ease-out-quart),
    color var(--t-fast) linear;
}
.opt:hover { border-color: rgba(255,106,24,0.5); background: var(--graphite-2); color: var(--white); transform: translateX(3px); }
.opt:active { transform: scale(0.985); }
.opt.is-on {
  border-color: var(--orange);
  background: linear-gradient(135deg, rgba(255,106,24,0.18), rgba(255,106,24,0.05));
  color: var(--white);
}
.opt__box {
  flex: none;
  width: 22px; height: 22px;
  border-radius: 7px;
  border: 2px solid var(--line-strong);
  display: grid; place-items: center;
  transition: border-color var(--t-mid) var(--ease-out-quart), background var(--t-mid) var(--ease-out-quart);
}
.opts--single .opt__box { border-radius: 50%; }
.opt.is-on .opt__box { border-color: var(--orange); background: var(--orange); }
.opt__box::after {
  content: '';
  width: 9px; height: 9px;
  border-radius: 2px;
  background: var(--black);
  transform: scale(0);
  transition: transform 280ms var(--ease-spring);
}
.opts--single .opt__box::after { border-radius: 50%; }
.opt.is-on .opt__box::after { transform: scale(1); }
.opt__emoji { font-size: 1.15rem; flex: none; }
.opt__label { flex: 1; }
.opt__sub { display: block; font-size: 0.76rem; color: var(--steel-dim); font-weight: 400; margin-top: 2px; }

/* ripple on tap */
.opt .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,106,24,0.32);
  transform: scale(0);
  animation: rippleOut 620ms var(--ease-out-expo) forwards;
  pointer-events: none;
}
@keyframes rippleOut { to { transform: scale(2.6); opacity: 0; } }

/* --- several ratings stacked in one card --- */
.grp { display: flex; flex-direction: column; gap: 14px; }
.grp__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 14px 16px;
  border-radius: 13px;
  background: var(--black-soft);
  border: 1px solid var(--line);
}
.grp__label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--white);
}
.scale--sm { grid-auto-flow: column; gap: 6px; }
.scale--sm button { padding: 9px 4px; border-radius: 10px; }
.scale--sm button .face { font-size: 1.25rem; }
.scale--sm button:hover { transform: translateY(-2px); }
.scale--sm button.is-on { transform: translateY(-2px); }

/* --- rating scale --- */
.scale { display: grid; grid-auto-flow: column; gap: 8px; }
.scale button {
  padding: 16px 6px 12px;
  border-radius: 13px;
  border: 1px solid var(--line-strong);
  background: var(--black-soft);
  color: var(--steel-dim);
  cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  transition: border-color var(--t-mid) var(--ease-out-quart), background var(--t-mid) var(--ease-out-quart), transform 260ms var(--ease-spring), color var(--t-fast) linear;
}
.scale button:hover { transform: translateY(-4px); border-color: rgba(255,106,24,0.5); color: var(--white); }
.scale button .face { font-size: 1.5rem; line-height: 1; }
.scale button .cap { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.4px; }
.scale button.is-on {
  border-color: var(--orange);
  background: linear-gradient(160deg, rgba(255,106,24,0.2), rgba(255,106,24,0.05));
  color: var(--white);
  transform: translateY(-4px);
}

/* NPS 0-10 */
.nps { display: grid; grid-template-columns: repeat(11, 1fr); gap: 5px; }
.nps button {
  aspect-ratio: 1;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--black-soft);
  color: var(--steel-dim);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  transition: border-color var(--t-mid) var(--ease-out-quart), background var(--t-mid) var(--ease-out-quart), transform 240ms var(--ease-spring), color var(--t-fast) linear;
}
.nps button:hover { transform: translateY(-4px); color: var(--white); border-color: rgba(255,106,24,0.5); }
.nps button.is-on { background: var(--orange); border-color: var(--orange); color: var(--black); transform: translateY(-4px); }
.nps__ends {
  display: flex; justify-content: space-between;
  font-size: 0.72rem; color: var(--steel-dim); margin-top: 9px;
}

/* --- optional text / email --- */
.q textarea, .q input[type="email"], .q input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--black-soft);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.94rem;
  resize: vertical;
  transition: border-color var(--t-mid) var(--ease-out-quart), box-shadow var(--t-mid) var(--ease-out-quart);
}
.q textarea:focus, .q input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255,106,24,0.13);
}
.q .optional-tag {
  display: inline-block;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--steel-dim);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
  padding: 3px 9px; border-radius: 999px;
  margin-left: 9px;
  vertical-align: middle;
}

/* --- optional image attachment --- */
.photo { margin-top: 14px; }
.photo__input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.photo__btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px dashed var(--line-strong);
  background: var(--black-soft);
  color: var(--steel);
  font-family: var(--font-body);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--t-mid) var(--ease-out-quart),
              color var(--t-fast) linear,
              background var(--t-mid) var(--ease-out-quart);
}
.photo__btn:hover { border-color: var(--orange); color: var(--white); background: var(--graphite-2); }
.photo__btn[hidden] { display: none; }

.photo__preview {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,106,24,0.3);
  background: rgba(255,106,24,0.06);
  animation: otherIn 320ms var(--ease-out-expo) both;
}
.photo__preview[hidden] { display: none; }
.photo__thumb {
  width: 46px; height: 46px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  flex: none;
  background: var(--black);
}
.photo__thumb:not([src]) { display: none; }
.photo__meta { flex: 1; font-size: 0.8rem; color: var(--steel); word-break: break-word; }
.photo__remove {
  flex: none;
  border: 0;
  background: none;
  color: var(--steel-dim);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease-out-quart);
}
.photo__remove:hover { color: var(--orange); }
.photo__note { margin-top: 9px; font-size: 0.76rem; color: var(--steel-dim); }

/* --- footer controls --- */
.survey__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 20px 34px 26px;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,0.22);
}
.survey__back {
  background: none;
  border: none;
  color: var(--steel-dim);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  padding: 10px 4px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: color var(--t-fast) var(--ease-out-quart), transform var(--t-mid) var(--ease-out-expo);
}
.survey__back:hover { color: var(--white); transform: translateX(-4px); }
.survey__back[hidden] { visibility: hidden; display: inline-flex; }
/* The one guaranteed way forward. Multi-selects and text answers have no
   other affordance, so this button is never allowed to disappear. */
.survey__next { min-width: 132px; }
.survey__next:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}

/* --- "Other" chip and its text field --- */
.opt--other .opt__box { border-style: dashed; }
.opt__other-input {
  width: 100%;
  margin-top: 10px;
  padding: 13px 15px;
  border-radius: 12px;
  border: 1px solid var(--orange);
  background: var(--black-soft);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.93rem;
  animation: otherIn 320ms var(--ease-out-expo) both;
}
.opt__other-input::placeholder { color: #6f6f77; }
.opt__other-input:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255,106,24,0.14);
}
.opt__other-input[hidden] { display: none; }
@keyframes otherIn {
  from { opacity: 0; transform: translateY(-6px); }
}

/* --- done screen --- */
.survey__done {
  position: absolute;
  inset: 0;
  background: var(--graphite);
  display: grid;
  place-content: center;
  text-align: center;
  gap: 14px;
  padding: 48px 40px;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.97);
  transition: opacity 520ms var(--ease-out-quart), transform 620ms var(--ease-out-expo), visibility 0s linear 620ms;
  z-index: 5;
}
.survey__done.is-shown { opacity: 1; visibility: visible; transform: scale(1); transition-delay: 0s; }
.survey__done h2 { font-size: clamp(1.8rem, 5vw, 2.4rem); }
.survey__done p { color: var(--steel-dim); max-width: 44ch; margin: 0 auto; font-size: 0.96rem; }
.survey__done .btn { margin-top: 10px; justify-self: center; }
.survey__done-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }

.burst {
  width: 78px; height: 78px;
  margin: 0 auto 4px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--orange), var(--orange-dim));
  color: var(--black);
  font-size: 2.1rem;
  animation: popIn 700ms var(--ease-spring) both;
  position: relative;
}
.burst::after {
  content: '';
  position: absolute; inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--orange);
  animation: haloOut 1.5s var(--ease-out-expo) infinite;
}
@keyframes haloOut {
  0%   { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* incentive strip under the survey card */
.survey__aside {
  width: min(660px, 100%);
  margin: 22px auto 0;
  display: flex; align-items: center; gap: 14px;
  padding: 16px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--steel-dim);
  font-size: 0.86rem;
}
.survey__aside .ico { font-size: 1.3rem; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .pcalc { grid-template-columns: 1fr; padding: 28px; gap: 28px; }
  .reader__sheet { padding: 34px 24px 50px; max-height: 94vh; }
}

@media (max-width: 720px) {
  .page-hero { padding: calc(var(--nav-h) + 54px) 0 46px; }
  .tabs { width: 100%; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; border-radius: 14px; }
  .tabs__thumb { border-radius: 999px; }
  .tab { white-space: nowrap; }
  .survey__top { padding: 20px 20px 0; }
  .survey__stage { padding: 24px 20px 28px; min-height: 320px; }
  .q { inset: 24px 20px 28px; }
  .survey__foot { padding: 16px 20px 20px; }
  .opts--two { grid-template-columns: 1fr; }
  .nps { grid-template-columns: repeat(6, 1fr); }
  .scale { grid-auto-flow: row; grid-template-columns: repeat(5, 1fr); }
  .scale button .cap { display: none; }
  .scale--sm { grid-auto-flow: column; grid-template-columns: repeat(5, 1fr); }
  .grp__row { padding: 12px 13px; }
  .survey__hintkey { display: none; }
  .myth { height: 230px; }
}

/* 320px: four segment buttons in one row don't fit — go two-by-two.
   The meals control keeps its single row, its labels are one character. */
@media (max-width: 400px) {
  #pcGoal { grid-auto-flow: row; grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .q { transition-duration: 0.001ms !important; }
  .myth__inner, .reader__sheet, .tabs__thumb { transition-duration: 0.001ms !important; }
}