:root {
  --navy: #062d67;
  --blue: #0077c8;
  --cyan: #20a8e0;
  --green: #229954;
  --orange: #f06f22;
  --ink: #10213d;
  --muted: #5e6d82;
  --line: #d7e5f4;
  --soft: #eef7fd;
  --white: #ffffff;
  --shadow: 0 22px 55px rgba(6, 45, 103, 0.13);
  --shadow-soft: 0 10px 28px rgba(6, 45, 103, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f6f9fc;
  line-height: 1.55;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(193, 214, 233, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 230px;
}

.brand-mark {
  position: relative;
  display: block;
  width: 46px;
  height: 24px;
  border-bottom: 3px solid var(--blue);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  position: absolute;
  top: 11px;
  display: block;
  width: 2px;
  background: var(--blue);
  content: "";
  border-radius: 99px;
}

.brand-mark::before {
  left: 11px;
  height: 16px;
  transform: translateY(-9px) rotate(18deg);
}

.brand-mark span {
  left: 22px;
  height: 28px;
  transform: translateY(-16px);
}

.brand-mark::after {
  left: 33px;
  height: 16px;
  transform: translateY(-9px) rotate(-18deg);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand strong {
  color: var(--navy);
  font-size: 1.36rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand strong span {
  color: var(--blue);
}

.brand small {
  color: #587089;
  font-weight: 800;
  font-size: 0.68rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #344b66;
  font-size: 0.9rem;
  font-weight: 700;
}

.nav a {
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--blue);
}

.nav-cta {
  padding: 10px 16px;
  color: var(--white) !important;
  background: var(--blue);
  border-radius: 7px;
  box-shadow: 0 10px 20px rgba(0, 119, 200, 0.18);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--navy);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
  gap: clamp(28px, 5vw, 62px);
  align-items: center;
  min-height: calc(100vh - 118px);
  padding: clamp(30px, 5vw, 62px) clamp(18px, 5vw, 78px) 44px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.9) 46%, rgba(238, 247, 253, 0.78) 46%),
    linear-gradient(135deg, #ffffff 0%, #f2f8fd 100%);
  border-bottom: 1px solid rgba(193, 214, 233, 0.72);
}

.eyebrow {
  margin: 0 0 11px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 0.92;
  letter-spacing: 0;
  text-transform: uppercase;
}

h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 3.4vw, 3.45rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--navy);
  font-size: 1.02rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.lead {
  max-width: 710px;
  margin: 18px 0 0;
  color: #344b66;
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-weight: 850;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 14px 28px rgba(0, 119, 200, 0.24);
}

.btn-ghost {
  color: var(--navy);
  background: var(--white);
  border-color: var(--line);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 780px;
}

.hero-specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 790px;
  margin: 0;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.hero-specs div {
  min-height: 88px;
  padding: 15px 17px;
  background: var(--white);
}

.hero-specs dt {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-specs dd {
  margin: 0;
  color: var(--navy);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.18;
}

.hero-proof div {
  min-height: 92px;
  padding: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(6, 45, 103, 0.07);
}

.hero-proof strong,
.hero-proof span {
  display: block;
}

.hero-proof strong {
  color: var(--green);
  font-size: 1.45rem;
  line-height: 1.1;
}

.hero-proof span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 510px;
  isolation: isolate;
}

.hero-media::before {
  display: none;
}

.hero-media img {
  position: relative;
  z-index: 1;
  width: min(112%, 760px);
  max-width: none;
  border-radius: 0;
  transform: translateX(-2%);
  filter: drop-shadow(0 22px 24px rgba(6, 45, 103, 0.14));
  -webkit-mask-image: radial-gradient(ellipse at center, #000 62%, rgba(0, 0, 0, 0.94) 72%, transparent 100%);
  mask-image: radial-gradient(ellipse at center, #000 62%, rgba(0, 0, 0, 0.94) 72%, transparent 100%);
}

.hero-device-note {
  position: absolute;
  right: 50%;
  bottom: 18px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(420px, 74%);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(154, 201, 237, 0.9);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  transform: translateX(50%);
}

.hero-device-note div {
  padding: 13px 15px;
}

.hero-device-note div + div {
  border-left: 1px solid var(--line);
}

.hero-device-note span,
.hero-device-note strong {
  display: block;
}

.hero-device-note span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-device-note strong {
  color: var(--navy);
  font-size: 1.2rem;
  line-height: 1.15;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0 clamp(18px, 5vw, 78px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  transform: translateY(-28px);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.trust-band article {
  min-height: 146px;
  padding: 22px;
  background: var(--white);
}

.icon,
.app-grid span,
.status,
.timeline span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 900;
  background: var(--soft);
  border: 1px solid #b8ddf6;
  border-radius: 50%;
}

.trust-band h2 {
  font-size: 1.02rem;
  line-height: 1.15;
}

.trust-band p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.strengths {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 42px);
  align-items: stretch;
  padding: 18px clamp(18px, 5vw, 78px) clamp(56px, 6vw, 78px);
  background: #f6f9fc;
}

.strengths-heading {
  padding: 28px;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.strengths-heading .eyebrow,
.strengths-heading h2 {
  color: var(--white);
}

.strengths-heading h2 {
  font-size: clamp(1.7rem, 2.4vw, 2.6rem);
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.strengths-grid article {
  min-height: 172px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.strengths-grid strong,
.strengths-grid span {
  display: block;
}

.strengths-grid strong {
  color: var(--green);
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.05;
}

.strengths-grid span {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: clamp(70px, 8vw, 110px) clamp(18px, 5vw, 78px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.split p {
  max-width: 760px;
  color: #405775;
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.feature-grid div,
.tech-panel,
.result-card,
.validation-summary,
.study-table,
.protocol-grid article,
.spec-list article,
.spec-card,
.tested-grid article,
.benefit-layout article,
.faq-grid article,
.catalog-grid a,
.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.feature-grid div {
  min-height: 112px;
  padding: 20px;
}

.feature-grid strong,
.feature-grid span {
  display: block;
}

.feature-grid strong {
  color: var(--navy);
}

.feature-grid span {
  margin-top: 6px;
  color: var(--muted);
}

.tech-panel {
  padding: 28px;
  border-left: 5px solid var(--blue);
  border-top: 0;
}

.panel-kicker {
  margin: 0 0 8px;
  color: var(--blue) !important;
  font-size: 0.76rem !important;
  font-weight: 900;
  text-transform: uppercase;
}

.tech-panel ul {
  display: grid;
  gap: 13px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.tech-panel li {
  position: relative;
  padding-left: 30px;
  color: #324967;
}

.tech-panel li::before {
  position: absolute;
  left: 0;
  color: var(--green);
  content: "✓";
  font-weight: 900;
}

.validation {
  background:
    linear-gradient(180deg, rgba(238, 247, 253, 0.92), #ffffff 72%),
    linear-gradient(90deg, rgba(6, 45, 103, 0.05) 1px, transparent 1px);
  background-size: auto, 34px 34px;
}

.specs {
  background: var(--white);
  border-top: 1px solid rgba(215, 229, 244, 0.7);
}

.spec-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 420px);
  gap: 18px;
  align-items: start;
}

.spec-list {
  display: grid;
  gap: 12px;
}

.spec-list article {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  min-height: 124px;
  padding: 22px;
}

.spec-list article > span,
.tested-grid article > span {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  background: var(--soft);
  border: 1px solid #b8ddf6;
  border-radius: 50%;
}

.spec-list h3,
.tested-grid h3,
.benefit-layout h3,
.faq-grid h3 {
  margin-bottom: 8px;
}

.spec-list p,
.tested-grid p,
.benefit-layout p,
.faq-grid p {
  margin: 0;
  color: var(--muted);
}

.spec-card {
  position: sticky;
  top: 92px;
  padding: 28px;
  border-left: 5px solid var(--green);
}

.spec-card dl {
  display: grid;
  gap: 0;
  margin: 20px 0 0;
  border-top: 1px solid var(--line);
}

.spec-card dl div {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.spec-card dt {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 900;
  text-transform: uppercase;
}

.spec-card dd {
  margin: 0;
  color: var(--navy);
  font-weight: 800;
  line-height: 1.35;
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  color: #405775;
  font-size: 1.08rem;
}

.result-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 18px;
}

.validation-board {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 0.88fr);
  gap: 18px;
  align-items: stretch;
}

.validation-summary {
  min-height: 100%;
  padding: 28px;
  border-color: rgba(34, 153, 84, 0.35);
  background: linear-gradient(180deg, #ffffff, #f2fbf6);
}

.validation-summary p {
  color: var(--muted);
}

.study-table {
  display: grid;
  align-content: start;
  overflow: hidden;
}

.study-row {
  display: grid;
  grid-template-columns: 0.7fr 1.4fr 1.1fr 1fr;
  min-height: 68px;
  border-bottom: 1px solid var(--line);
}

.study-row:last-child {
  border-bottom: 0;
}

.study-row span {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  color: #314862;
  font-size: 0.95rem;
  border-right: 1px solid var(--line);
}

.study-row span:last-child {
  border-right: 0;
}

.study-head {
  min-height: 52px;
  background: var(--navy);
}

.study-head span {
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
  border-color: rgba(255, 255, 255, 0.18);
}

.study-row .success {
  color: var(--green);
  font-weight: 900;
}

.study-row .danger {
  color: #d64a2e;
  font-weight: 900;
}

.result-card {
  min-height: 270px;
  padding: 28px;
}

.result-card-strong {
  border-color: rgba(34, 153, 84, 0.35);
  background: linear-gradient(180deg, #ffffff, #f2fbf6);
}

.status {
  margin-bottom: 18px;
}

.status.ok {
  color: var(--white);
  background: var(--green);
  border-color: var(--green);
}

.status.warn {
  color: var(--white);
  background: var(--orange);
  border-color: var(--orange);
}

.result-card p {
  color: var(--muted);
}

.metric {
  display: block;
  margin-top: 26px;
  color: var(--green);
  font-size: 2.4rem;
  line-height: 1;
}

.cycle {
  background: var(--white);
}

.tested {
  background:
    linear-gradient(180deg, #ffffff, #f8fbff);
}

.tested-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tested-grid article {
  min-height: 210px;
  padding: 24px;
}

.tested-grid article > span {
  margin-bottom: 18px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  list-style: none;
}

.timeline li {
  min-height: 210px;
  padding: 24px;
  background: #fbfdff;
}

.timeline span {
  color: var(--white);
  background: var(--navy);
  border-color: var(--navy);
}

.timeline p {
  color: var(--muted);
  font-size: 0.94rem;
}

.applications {
  background: #f8fbff;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.app-grid article {
  min-height: 150px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.app-grid p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.protocol {
  background: var(--white);
  border-top: 1px solid rgba(215, 229, 244, 0.72);
}

.protocol-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.protocol-grid article {
  min-height: 150px;
  padding: 26px;
  border-top: 4px solid var(--cyan);
}

.protocol-grid strong,
.protocol-grid span {
  display: block;
}

.protocol-grid strong {
  color: var(--navy);
  font-size: 1.1rem;
}

.protocol-grid span {
  margin-top: 10px;
  color: var(--muted);
}

.benefits {
  background:
    linear-gradient(135deg, rgba(6, 45, 103, 0.97), rgba(0, 119, 200, 0.9));
}

.benefits .eyebrow,
.benefits h2,
.benefits .section-heading p {
  color: var(--white) !important;
}

.benefit-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.benefit-layout article {
  min-height: 190px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.96);
}

.benefit-layout article::before {
  display: block;
  width: 44px;
  height: 4px;
  margin-bottom: 22px;
  background: var(--cyan);
  content: "";
  border-radius: 99px;
}

.app-grid span {
  color: var(--navy);
  background: #eaf7f0;
  border-color: #b8dfc8;
}

.catalog-section {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 54px);
  align-items: start;
  padding: clamp(64px, 8vw, 112px) clamp(18px, 5vw, 78px);
  background: #f8fbff;
}

.catalog-section h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.catalog-section p:not(.eyebrow) {
  color: var(--muted);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.catalog-grid a {
  padding: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.catalog-grid a:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.catalog-grid img {
  width: 100%;
  border-radius: 5px;
}

.faq {
  background: var(--white);
  border-top: 1px solid rgba(215, 229, 244, 0.7);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.faq-grid article {
  min-height: 190px;
  padding: 26px;
}

.faq-grid article h3::before {
  display: inline-grid;
  width: 30px;
  height: 30px;
  margin-right: 10px;
  place-items: center;
  color: var(--white);
  font-size: 0.82rem;
  background: var(--blue);
  content: "?";
  border-radius: 50%;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 520px);
  gap: clamp(28px, 6vw, 82px);
  align-items: center;
  padding: clamp(70px, 9vw, 122px) clamp(18px, 5vw, 78px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(6, 45, 103, 0.96), rgba(0, 119, 200, 0.86)),
    url("assets/catalogo-sterilvet-2.png") center / cover;
}

.contact .eyebrow,
.contact h2,
.contact p {
  color: var(--white);
}

.contact p {
  max-width: 660px;
  font-size: 1.08rem;
}

.contact-form {
  display: grid;
  gap: 15px;
  padding: 24px;
  color: var(--ink);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: #243b5a;
  font-size: 0.9rem;
  font-weight: 800;
}

.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

input,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  background: #f9fcff;
  border: 1px solid #c9ddef;
  border-radius: 8px;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
.btn:focus-visible,
.nav-toggle:focus-visible {
  outline: 3px solid rgba(32, 168, 224, 0.35);
  outline-offset: 2px;
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: var(--green);
  font-weight: 800;
}

.form-note.is-error {
  color: #d64a2e;
}

.form-note a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-note.is-success {
  color: var(--green);
}

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.68;
  transform: none;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(18px, 5vw, 78px);
  color: #415873;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.footer strong {
  color: var(--navy);
}

@media (max-width: 1060px) {
  .hero,
  .split,
  .spec-layout,
  .strengths,
  .catalog-section,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    min-height: 460px;
  }

  .trust-band,
  .strengths-grid,
  .tested-grid,
  .app-grid,
  .benefit-layout,
  .protocol-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .spec-card {
    position: static;
  }

  .result-layout,
  .validation-board,
  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline li {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 68px;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    inset: 68px 12px auto 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  body.nav-open .nav {
    display: flex;
  }

  .nav a {
    padding: 13px;
  }

  .nav-cta {
    margin-top: 6px;
    text-align: center;
  }

  .hero {
    padding-top: 22px;
    gap: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #eef7fd 100%);
  }

  h1 {
    font-size: clamp(2.7rem, 14vw, 3.8rem);
    line-height: 0.95;
  }

  .lead {
    margin-top: 16px;
    font-size: 1rem;
  }

  .hero-actions {
    margin: 22px 0 0;
  }

  .hero-specs {
    grid-template-columns: 1fr;
    margin-top: 22px;
  }

  .feature-grid,
  .trust-band,
  .strengths-grid,
  .tested-grid,
  .app-grid,
  .catalog-grid,
  .benefit-layout,
  .faq-grid,
  .protocol-grid {
    grid-template-columns: 1fr;
  }

  .spec-list article {
    grid-template-columns: 1fr;
  }

  .hero-media {
    min-height: 340px;
  }

  .hero-media img {
    width: min(74vw, 250px);
    transform: none;
  }

  .hero-device-note {
    right: 12px;
    bottom: 0;
    min-width: 0;
    width: calc(100% - 24px);
    transform: none;
  }

  .trust-band {
    transform: none;
    margin-top: 18px;
  }

  .study-table {
    overflow-x: auto;
  }

  .study-row {
    min-width: 650px;
  }

  .section,
  .catalog-section,
  .contact {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}