.product-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.product {
  min-height: 390px;
}

.product-visual {
  height: 150px;
  padding: 22px;
}

.product-visual::before,
.product-visual::after {
  display: none;
}

.product-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product-visual span {
  position: absolute;
  left: 9px;
  bottom: 7px;
  color: #788581;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .12em;
}

@media (max-width: 900px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .product-grid { grid-template-columns: 1fr; }
}

/* Refined visual system */
body {
  background: #fbfdfc;
}

.notice {
  background: linear-gradient(90deg, #0c1517 0%, #123f36 52%, #0c1517 100%);
}

.nav {
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 10px 30px rgba(17, 26, 29, .04);
}

.brand-mark {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12), 4px 4px 0 #c9f353;
}

.hero {
  position: relative;
  min-height: 590px;
  margin-top: 18px;
  padding-inline: clamp(28px, 5vw, 70px);
  overflow: hidden;
  border: 1px solid #dfe5e3;
  background:
    radial-gradient(circle at 6% 12%, rgba(201, 243, 83, .24), transparent 25%),
    radial-gradient(circle at 73% 84%, rgba(55, 124, 246, .10), transparent 29%),
    linear-gradient(135deg, #ffffff 0%, #f2f7f4 100%);
}

.hero::before {
  content: "V / 01";
  position: absolute;
  right: 28px;
  top: 24px;
  color: #a6b2ae;
  font: 700 10px "Space Grotesk";
  letter-spacing: .18em;
}

.hero-panel {
  background: linear-gradient(155deg, #174b40 0%, #0d2f29 100%);
  box-shadow: 16px 16px 0 #c9f353, -1px -1px 0 rgba(255, 255, 255, .12);
}

.catalog {
  position: relative;
}

.section-heading h2::after {
  content: "";
  display: block;
  width: 58px;
  height: 4px;
  margin-top: 15px;
  background: linear-gradient(90deg, #377cf6 0 52%, #c9f353 52% 100%);
}

.filters {
  border: 1px solid #dfe5e3;
  background: #eef3f1;
}

.filters button.active {
  color: #fff;
  background: #123f36;
  box-shadow: 3px 3px 0 #c9f353;
}

.product-grid {
  gap: 20px;
}

.product {
  --product-accent: #377cf6;
  --product-tint: #edf4ff;
  position: relative;
  padding: 20px;
  overflow: hidden;
  border: 1px solid #dce5e2;
  border-top: 4px solid var(--product-accent);
  background: #fff;
  box-shadow: 0 7px 0 #e9eeec;
}

.product::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 90px;
  right: -52px;
  top: -54px;
  border: 15px solid var(--product-accent);
  border-radius: 50%;
  opacity: .08;
  pointer-events: none;
}

.product-peptide {
  --product-accent: #167a68;
  --product-tint: #e9f7f2;
}

.product-compound {
  --product-accent: #377cf6;
  --product-tint: #edf4ff;
}

.product:hover {
  transform: translateY(-6px);
  border-color: var(--product-accent);
  box-shadow: 0 12px 0 color-mix(in srgb, var(--product-accent) 18%, #edf1ef);
}

.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.product-tag {
  color: var(--product-accent);
}

.lot-mark {
  color: #65736f;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
}

.product-visual {
  height: 156px;
  margin: 18px 0 22px;
  border: 1px solid color-mix(in srgb, var(--product-accent) 18%, #dfe5e3);
  background:
    linear-gradient(rgba(255, 255, 255, .42), rgba(255, 255, 255, .42)),
    repeating-linear-gradient(90deg, transparent 0 27px, rgba(17, 26, 29, .045) 27px 28px),
    var(--product-tint);
}

.product-visual img {
  filter: contrast(1.05);
}

.product h3 {
  min-height: 50px;
  font-size: 21px;
  line-height: 1.17;
}

.product > p {
  min-height: 58px;
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 8px;
  margin: 16px 0 12px;
}

.product-specs > span {
  min-width: 0;
  padding: 11px 12px 12px;
  border-left: 3px solid var(--product-accent);
  background: var(--product-tint);
}

.product-specs small {
  display: block;
  margin-bottom: 4px;
  color: #667276;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .11em;
}

.product-specs strong {
  display: block;
  color: #111a1d;
  font: 700 clamp(18px, 2vw, 22px) "Space Grotesk";
  line-height: 1;
  letter-spacing: -.025em;
  text-transform: uppercase;
  white-space: nowrap;
}

.product-meta {
  padding: 10px 0 13px;
}

.product-price {
  font-size: 23px;
}

.add {
  width: 41px;
  height: 41px;
  background: var(--product-accent);
  box-shadow: 3px 3px 0 #c9f353;
  transition: transform .15s ease, box-shadow .15s ease;
}

.add:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 #c9f353;
}

.standards {
  background:
    radial-gradient(circle at 88% 15%, rgba(201, 243, 83, .10), transparent 22%),
    linear-gradient(135deg, #123f36 0%, #0b2c26 100%);
}

.feedback {
  padding: 95px 0;
  color: #fff;
  background:
    radial-gradient(circle at 12% 90%, rgba(55, 124, 246, .18), transparent 28%),
    linear-gradient(135deg, #0d1b1d 0%, #123f36 100%);
}

.feedback-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(48px, 8vw, 105px);
  align-items: center;
}

.feedback-copy h2 {
  margin: 14px 0 18px;
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1;
  letter-spacing: -.045em;
}

.feedback-copy p {
  max-width: 480px;
  color: #adc1bb;
  font-size: 17px;
  line-height: 1.7;
}

.feedback-copy a {
  display: inline-block;
  margin-top: 12px;
  color: #c9f353;
  font-weight: 700;
}

.feedback-form {
  display: grid;
  gap: 17px;
  padding: clamp(25px, 4vw, 38px);
  border: 1px solid #3d675e;
  background: rgba(255, 255, 255, .07);
  box-shadow: 12px 12px 0 #c9f353;
}

.feedback-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.feedback-form label {
  color: #dce8e4;
  font-size: 14px;
  font-weight: 700;
}

.feedback-form input,
.feedback-form select,
.feedback-form textarea {
  display: block;
  width: 100%;
  margin-top: 7px;
  border: 1px solid #54776f;
  border-radius: 0;
  background: #fff;
  color: #111a1d;
  padding: 13px 14px;
  font: 16px "DM Sans", sans-serif;
}

.feedback-form textarea {
  min-height: 135px;
  resize: vertical;
}

.feedback-form input:focus,
.feedback-form select:focus,
.feedback-form textarea:focus {
  outline: 3px solid rgba(201, 243, 83, .42);
  outline-offset: 2px;
}

.feedback-form .button {
  width: fit-content;
}

.feedback-form > p {
  margin: 0;
  color: #a9bcb6;
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .hero { margin-top: 12px; }
  .product h3, .product > p { min-height: 0; }
  .feedback-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero {
    width: calc(100% - 20px);
    padding: 60px 24px;
  }

  .product-specs strong { font-size: 21px; }
  .feedback { padding: 70px 0; }
  .feedback-row { grid-template-columns: 1fr; }
  .feedback-form { box-shadow: 7px 7px 0 #c9f353; }
}