/* ============================================
   VPRIV Dose Calculator — Playful Vertical
   ============================================ */

@font-face { font-family: gothamBold;   src: url("font/Gotham-Bold.otf"); }
@font-face { font-family: gothamBlack;  src: url("font/Gotham-Black.otf"); }
@font-face { font-family: GothamBook;   src: url("font/GothamBook.ttf"); }
@font-face { font-family: GothamMedium; src: url("font/GothamMedium.ttf"); }

:root {
  --cyan:         #00b4d8;
  --cyan-dark:    #0090ad;
  --cyan-deep:    #006d82;
  --cyan-glow:    rgba(0, 180, 216, .18);
  --pink:         #e6007e;
  --pink-glow:    rgba(230, 0, 126, .15);
  --green:        #b5cc18;
  --green-glow:   rgba(181, 204, 24, .15);
  --navy:         #1b2a4a;
  --navy-light:   #2a3f6a;
  --bg:           #f3f6f9;
  --card:         #ffffff;
  --text:         #1b2a4a;
  --text-mid:     #4a5a78;
  --text-light:   #8a9ab0;
  --border:       #dfe5ed;
  --red:          #e30613;

  --ff-black:  "gothamBlack", system-ui, sans-serif;
  --ff-bold:   "gothamBold", system-ui, sans-serif;
  --ff-medium: "GothamMedium", system-ui, sans-serif;
  --ff-book:   "GothamBook", system-ui, sans-serif;

  --r-sm: 8px; --r-md: 14px; --r-lg: 22px; --r-xl: 32px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-book);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
img { max-width: 100%; display: block; }

/* ===========================
   FLOATING BACKGROUND BLOBS
   =========================== */
.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .07;
  animation: blobMove 20s ease-in-out infinite alternate;
}
.blob--1 {
  width: 400px; height: 400px;
  background: var(--cyan);
  top: 10%; left: -5%;
  animation-duration: 22s;
}
.blob--2 {
  width: 350px; height: 350px;
  background: var(--pink);
  top: 50%; right: -10%;
  animation-duration: 18s;
  animation-delay: -5s;
}
.blob--3 {
  width: 300px; height: 300px;
  background: var(--green);
  bottom: 5%; left: 30%;
  animation-duration: 25s;
  animation-delay: -10s;
}
@keyframes blobMove {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(30px, -40px) scale(1.1); }
  66%  { transform: translate(-20px, 20px) scale(.95); }
  100% { transform: translate(15px, -15px) scale(1.05); }
}

/* ===========================
   TOP BAR
   =========================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 3px solid var(--cyan);
  box-shadow: 0 1px 8px rgba(0,0,0,.04);
}
.topbar__takeda { height: 36px; }
.topbar__brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.topbar__dots {
  display: flex;
  gap: 3px;
  align-items: flex-end;
}
.dot {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.dot--sm { width: 5px; height: 5px; }
.dot--cyan { background: var(--cyan); }
.dot--pink { background: var(--pink); }
.dot--green { background: var(--green); }
.topbar__name {
  font-family: var(--ff-black);
  font-size: 1.3rem;
  color: var(--navy);
  letter-spacing: 1px;
}
.topbar__name sup { font-size: .5em; }
.topbar__sub {
  font-family: var(--ff-book);
  font-size: .65rem;
  color: var(--text-light);
  letter-spacing: .5px;
}

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
}
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(27,42,74,.7) 0%,
    rgba(0,144,173,.6) 40%,
    rgba(0,109,130,.75) 100%
  );
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 58px, rgba(255,255,255,.03) 58px, rgba(255,255,255,.03) 60px);
  pointer-events: none;
}

/* Floating dots */
.hero__dots {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.hdot {
  position: absolute;
  border-radius: 50%;
  opacity: .25;
  animation: dotFloat 12s ease-in-out infinite alternate;
}
.hdot--1 { width: 18px; height: 18px; background: var(--pink); top: 15%; left: 10%; animation-duration: 14s; }
.hdot--2 { width: 12px; height: 12px; background: var(--green); top: 25%; right: 15%; animation-duration: 10s; animation-delay: -3s; }
.hdot--3 { width: 24px; height: 24px; background: var(--cyan); top: 60%; left: 20%; opacity: .15; animation-duration: 16s; animation-delay: -5s; }
.hdot--4 { width: 10px; height: 10px; background: var(--pink); bottom: 30%; right: 25%; animation-duration: 11s; animation-delay: -2s; }
.hdot--5 { width: 16px; height: 16px; background: var(--green); top: 40%; left: 65%; opacity: .2; animation-duration: 13s; animation-delay: -7s; }
.hdot--6 { width: 8px; height: 8px; background: var(--cyan); bottom: 40%; left: 40%; animation-duration: 9s; animation-delay: -4s; }

@keyframes dotFloat {
  0%   { transform: translate(0, 0); }
  50%  { transform: translate(15px, -20px); }
  100% { transform: translate(-10px, 10px); }
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 70px 24px 100px;
}
.hero__line-accent {
  width: 80px;
  height: 4px;
  background: var(--pink);
  border-radius: 2px;
  margin: 0 auto 28px;
  animation: lineGrow .8s ease both;
  box-shadow: 0 0 20px rgba(230,0,126,.3);
}
@keyframes lineGrow {
  from { width: 0; opacity: 0; }
  to   { width: 80px; opacity: 1; }
}
.hero__title {
  font-family: var(--ff-black);
  font-size: clamp(2.4rem, 6vw + .5rem, 4.2rem);
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: -1px;
  text-shadow: 0 4px 30px rgba(0,0,0,.2);
}
.hero__title sup {
  font-size: .35em;
  vertical-align: super;
  opacity: .7;
}
.hero__title span {
  display: block;
  font-family: var(--ff-book);
  font-size: clamp(1rem, 2vw + .3rem, 1.5rem);
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  opacity: .85;
  margin-top: 6px;
}
.hero__tag {
  display: inline-block;
  margin-top: 24px;
  padding: 10px 32px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 100px;
  font-family: var(--ff-bold);
  font-size: clamp(.75rem, 1vw, .88rem);
  color: #ffffff;
  letter-spacing: 2px;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0,0,0,.1);
}

/* Diagonal cut instead of wave */
.hero__diagonal {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  z-index: 4;
  height: 80px;
  background: var(--bg);
  clip-path: polygon(0 60%, 100% 0%, 100% 100%, 0% 100%);
}

/* ===========================
   CAMPAIGN BANNER
   =========================== */
.campaign-banner {
  max-width: 680px;
  margin: -24px auto 0;
  padding: 0 20px;
  position: relative;
  z-index: 5;
}
.campaign-banner__inner {
  background: var(--card);
  border-radius: 100px;
  padding: 18px 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: 0 16px 48px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.03);
  border: 2px solid transparent;
  background-image: linear-gradient(white, white), linear-gradient(135deg, var(--cyan), var(--pink), var(--green));
  background-origin: border-box;
  background-clip: padding-box, border-box;
}
.campaign-banner__tagline {
  font-family: var(--ff-bold);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--navy);
}
.campaign-banner__highlight {
  font-family: var(--ff-black);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  background: linear-gradient(135deg, var(--cyan), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@media (max-width: 700px) {
  .campaign-banner { display: none; }
}

/* ===========================
   CALCULATOR — Centered Vertical Card
   =========================== */
.calc-section {
  max-width: 540px;
  margin: 36px auto 0;
  padding: 0 20px;
  position: relative;
  z-index: 4;
}
.calc {
  background: var(--card);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(27,42,74,.08), 0 8px 24px rgba(0,0,0,.04);
  animation: cardRise .6s cubic-bezier(.22,1,.36,1) both;
}
@keyframes cardRise {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Gradient header stripe */
.calc__header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, var(--cyan-deep) 100%);
  padding: 36px 32px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.calc__header::after {
  content: "";
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: .06;
  top: -80px; right: -40px;
}
.calc__header-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 18px;
}
.calc__header-dots .dot { width: 10px; height: 10px; }
.calc__icon {
  width: 52px; height: 52px;
  border-radius: 16px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.15);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  backdrop-filter: blur(8px);
}
.calc__icon svg { width: 26px; height: 26px; }
.calc__heading {
  font-family: var(--ff-bold);
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  color: #ffffff;
  margin-bottom: 8px;
  line-height: 1.3;
}
.calc__desc {
  font-size: clamp(.78rem, .95vw, .88rem);
  color: rgba(255,255,255,.6);
  line-height: 1.6;
  max-width: 380px;
  margin: 0 auto;
}

/* Card body */
.calc__body {
  padding: 28px 32px 32px;
}
.calc__label {
  display: block;
  font-family: var(--ff-medium);
  font-size: .78rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}
.calc__field {
  display: flex;
  align-items: stretch;
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.calc__field:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-glow);
}
.calc__field.is-error {
  border-color: var(--red);
  box-shadow: 0 0 0 4px rgba(227,6,19,.12);
  animation: shake .4s ease;
}
.calc__input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--ff-bold);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--text);
  padding: 14px 18px;
  min-width: 0;
}
.calc__input::placeholder {
  color: var(--text-light);
  font-family: var(--ff-book);
  font-size: 1rem;
}
.calc__input::-webkit-outer-spin-button,
.calc__input::-webkit-inner-spin-button { -webkit-appearance: none; }
.calc__input[type=number] { -moz-appearance: textfield; }

.calc__unit {
  display: flex;
  align-items: center;
  padding: 0 20px;
  background: var(--cyan);
  color: #ffffff;
  font-family: var(--ff-bold);
  font-size: .95rem;
  letter-spacing: 1px;
}

/* Button */
.calc__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 24px;
  margin-top: 18px;
  border: none;
  border-radius: 100px;
  font-family: var(--ff-bold);
  font-size: clamp(.8rem, 1.1vw, .95rem);
  color: #ffffff;
  cursor: pointer;
  transition: transform .15s, box-shadow .25s;
  text-transform: uppercase;
  letter-spacing: .8px;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--pink) 100%);
  box-shadow: 0 6px 24px rgba(0,180,216,.25), 0 4px 12px rgba(230,0,126,.15);
}
.calc__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(0,180,216,.3), 0 6px 16px rgba(230,0,126,.2);
}
.calc__btn:active { transform: translateY(0); }
.calc__btn-arrow {
  font-size: 1.1rem;
  transition: transform .2s;
}
.calc__btn:hover .calc__btn-arrow { transform: translateX(3px); }

/* Note */
.calc__note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: rgba(0,180,216,.05);
  border: 1px dashed rgba(0,180,216,.2);
  font-size: clamp(.72rem, .9vw, .8rem);
  color: var(--text-mid);
  line-height: 1.55;
}
.calc__note strong {
  font-family: var(--ff-bold);
  color: var(--text);
}
.calc__note-icon {
  width: 16px; height: 16px; min-width: 16px;
  color: var(--cyan);
  margin-top: 1px;
}

/* ===========================
   RESULTS — Two Separate Cards
   =========================== */
.results-section {
  max-width: 680px;
  margin: 0 auto;
  padding: 28px 20px 0;
  position: relative;
  z-index: 3;
}
.results-section[hidden] { display: none; }

.results__badge-row {
  text-align: center;
  margin-bottom: 16px;
}
.results__badge {
  display: inline-block;
  padding: 6px 20px;
  background: var(--navy);
  border-radius: 100px;
  font-family: var(--ff-medium);
  font-size: .7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}

.results__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  animation: resultsIn .5s cubic-bezier(.22,1,.36,1) both;
}
@keyframes resultsIn {
  from { opacity: 0; transform: translateY(15px); }
  to   { opacity: 1; transform: translateY(0); }
}

.results__card {
  position: relative;
  background: var(--card);
  border-radius: var(--r-xl);
  padding: 32px 24px;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(27,42,74,.08), 0 4px 16px rgba(0,0,0,.03);
  border: 1px solid var(--border);
}

/* Colored top accent bar */
.results__card-accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
}
.results__card--dose .results__card-accent {
  background: linear-gradient(90deg, var(--cyan), var(--cyan-dark));
}
.results__card--vials .results__card-accent {
  background: linear-gradient(90deg, var(--pink), #c4006a);
}

.results__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  margin: 0 auto 14px;
}
.results__card--dose .results__icon {
  background: rgba(0,180,216,.1);
  color: var(--cyan);
}
.results__card--vials .results__icon {
  background: rgba(230,0,126,.1);
  color: var(--pink);
}
.results__icon svg { width: 22px; height: 22px; }

.results__number {
  display: block;
  font-family: var(--ff-black);
  font-size: clamp(2.8rem, 6vw, 4rem);
  line-height: 1;
  color: var(--navy);
}
.results__card--dose .results__number { color: var(--cyan-dark); }
.results__card--vials .results__number { color: var(--pink); }

.results__label {
  display: block;
  font-family: var(--ff-bold);
  font-size: clamp(.8rem, 1vw, .92rem);
  color: var(--text);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 2px;
}
.results__sub {
  display: block;
  font-family: var(--ff-book);
  font-size: clamp(.68rem, .85vw, .78rem);
  color: var(--text-light);
  margin-top: 4px;
}

/* ===========================
   DETAILS / ACCORDION
   =========================== */
.details-section {
  max-width: 680px;
  margin: 0 auto;
  padding: 16px 20px 0;
  position: relative;
  z-index: 3;
}
.details-section[hidden] { display: none; }

.details__toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 16px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-mid);
  font-family: var(--ff-medium);
  font-size: clamp(.82rem, 1vw, .92rem);
  cursor: pointer;
  transition: all .25s;
}
.details__toggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.details__toggle[aria-expanded="true"] {
  background: linear-gradient(135deg, var(--navy), var(--cyan-deep));
  border-color: transparent;
  color: #ffffff;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.details__toggle-icon { display: flex; width: 22px; height: 22px; }
.details__toggle-icon svg { width: 100%; height: 100%; }
.details__chevron {
  width: 18px; height: 18px;
  margin-left: auto;
  transition: transform .3s;
}
.details__toggle[aria-expanded="true"] .details__chevron { transform: rotate(180deg); }

.details__panel {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4,0,.2,1), opacity .3s;
}
.details__panel.is-open { opacity: 1; }
.details__inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  padding: 32px 28px;
}

/* ===========================
   TIMELINE RATIONALE
   =========================== */
.timeline { margin-bottom: 28px; }
.timeline__title {
  font-family: var(--ff-bold);
  font-size: clamp(.9rem, 1.1vw, 1rem);
  color: var(--text);
  margin-bottom: 20px;
}
.timeline__track {
  position: relative;
  padding-left: 28px;
}
/* Vertical line */
.timeline__track::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--pink), var(--green));
  border-radius: 1px;
}
.timeline__item {
  position: relative;
  padding: 0 0 20px 20px;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 3px solid var(--card);
  box-shadow: 0 0 0 2px var(--border);
}
.timeline__dot--cyan  { background: var(--cyan); box-shadow: 0 0 0 2px var(--cyan); }
.timeline__dot--pink  { background: var(--pink); box-shadow: 0 0 0 2px var(--pink); }
.timeline__dot--green { background: var(--green); box-shadow: 0 0 0 2px var(--green); }

.timeline__content {
  background: #f8fafb;
  border-radius: var(--r-sm);
  padding: 14px 18px;
  border: 1px solid var(--border);
}
.timeline__item--accent .timeline__content {
  background: rgba(181,204,24,.06);
  border-color: var(--green);
}
.timeline__step {
  display: block;
  font-family: var(--ff-medium);
  font-size: .68rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 4px;
}
.timeline__text {
  font-family: var(--ff-book);
  font-size: clamp(.78rem, .95vw, .88rem);
  color: var(--text-mid);
  line-height: 1.5;
}
.timeline__text strong {
  font-family: var(--ff-bold);
  color: var(--text);
}

/* Info cards */
.info-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.info-card {
  padding: 24px;
  border-radius: var(--r-md);
  background: #f8fbfd;
  border: 1px solid var(--border);
}
.info-card--example { background: linear-gradient(160deg, #fef5fa 0%, #f8fbfd 100%); }
.info-card__icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--cyan);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.info-card__icon--pink { background: var(--pink); }
.info-card__icon svg { width: 18px; height: 18px; }
.info-card__title {
  font-family: var(--ff-bold);
  font-size: clamp(.78rem, .95vw, .88rem);
  color: var(--cyan-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.info-card__highlight {
  font-family: var(--ff-bold);
  font-size: clamp(.85rem, 1vw, .95rem);
  color: var(--pink);
  margin-bottom: 10px;
}
.info-card__list {
  list-style: none;
  font-size: clamp(.76rem, .9vw, .85rem);
  line-height: 2;
  color: var(--text-mid);
}
.info-card__list strong { font-family: var(--ff-bold); color: var(--text); }
.info-card__list--steps { counter-reset: step; }
.info-card__list--steps li::before {
  counter-increment: step;
  content: "Step " counter(step) ": ";
  font-family: var(--ff-medium);
  color: var(--text-light);
}

/* Reference */
.ref-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.ref-bar__text {
  font-size: clamp(.72rem, .85vw, .8rem);
  color: var(--text-mid);
  line-height: 1.5;
}
.ref-bar__text strong { font-family: var(--ff-bold); color: var(--text); }
.ref-bar__qr { height: 52px; width: auto; flex-shrink: 0; }

/* ===========================
   FOOTER
   =========================== */
.site-footer {
  max-width: 680px;
  margin: 48px auto 0;
  padding: 0 20px 24px;
  position: relative;
  z-index: 3;
}
.site-footer__address {
  background: #ffffff;
  border-radius: var(--r-md);
  padding: 24px;
  border: 1px solid var(--border);
  margin-bottom: 14px;
}
.site-footer__address img { width: 100%; }
.site-footer__meta {
  display: flex;
  justify-content: space-between;
  font-size: clamp(.65rem, .8vw, .75rem);
  color: var(--text-light);
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%  { transform: translateX(-8px); }
  40%  { transform: translateX(8px); }
  60%  { transform: translateX(-5px); }
  80%  { transform: translateX(5px); }
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 700px) {
  .results__cards { grid-template-columns: 1fr; }
  .info-row { grid-template-columns: 1fr; }
  .hero { min-height: 320px; }
  .hero__content { padding: 50px 20px 80px; }
  .ref-bar { flex-direction: column; text-align: center; }
  .site-footer__meta { flex-direction: column; align-items: center; gap: 2px; }
}

@media (max-width: 420px) {
  .topbar { padding: 12px 16px; }
  .topbar__takeda { height: 24px; }
  .topbar__name { font-size: 1rem; }
  .calc__header { padding: 28px 20px 22px; }
  .calc__body { padding: 22px 20px 26px; }
  .results__card { padding: 24px 18px; }
  .details__inner { padding: 24px 18px; }
}