:root {
  --ink: #081426;
  --muted: #61708a;
  --blue: #1463ff;
  --blue-deep: #063aa8;
  --cyan: #12bfd0;
  --green: #20c997;
  --line: #dce8f7;
  --soft: #f3f8ff;
  --paper: #ffffff;
  --shadow: 0 30px 90px rgba(13, 57, 128, 0.16);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui,
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #f7fcff 0%, #f0f8ff 46%, #f6fbff 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 84% 10%, rgba(18, 191, 208, 0.08), transparent 26%),
    radial-gradient(circle at 13% 24%, rgba(20, 99, 255, 0.08), transparent 28%);
  content: "";
  pointer-events: none;
}

main {
  position: relative;
  z-index: 1;
}

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

.nav {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  min-height: 86px;
  padding: 22px 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  transform: translateX(-50%);
}

.brand,
.nav-actions,
.hero-actions,
.button,
.paper-preview-top,
.research-tags,
.metrics {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: #101a2f;
  font-size: 17px;
  font-weight: 850;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.nav-actions {
  gap: 28px;
  color: #23344f;
  font-size: 14px;
  font-weight: 750;
}

.nav-actions a {
  transition:
    color 0.2s ease,
    transform 0.2s ease;
}

.nav-actions a:hover,
.nav-feedback:hover {
  color: var(--blue);
  transform: translateY(-1px);
}

.nav-feedback {
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  cursor: pointer;
  transition:
    color 0.2s ease,
    transform 0.2s ease;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 92vh;
  padding: 124px max(24px, calc((100vw - 1180px) / 2)) 0;
  background: transparent;
}

.hero::before {
  position: absolute;
  inset: -120px 0 auto;
  height: 760px;
  background:
    linear-gradient(115deg, transparent 0 26%, rgba(20, 99, 255, 0.1) 38%, transparent 54%),
    linear-gradient(65deg, transparent 0 30%, rgba(18, 191, 208, 0.09) 43%, transparent 58%);
  content: "";
  opacity: 0.78;
  pointer-events: none;
  mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 74%, transparent 100%);
  animation: lightDrift 12s ease-in-out infinite;
}

.hero-top,
.showcase-shell {
  position: relative;
  z-index: 1;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.hero-top {
  display: grid;
   /* grid-template-columns: minmax(0, 0.98fr) minmax(500px, 0.92fr);
  gap: clamp(20px, 2.2vw, 34px);*/
  
  grid-template-columns: minmax(0, 1.12fr) minmax(420px, 0.78fr);
  gap: clamp(12px, 1.4vw, 24px);
  align-items: center;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.hero-copy {
  max-width: 680px;
  text-align: left;
}

h1 {
  /* 首屏标题字号在这里调：最小值 / 随屏幕缩放值 / 最大值 */
  font-size: clamp(56px, 4vw, 66px);
  line-height: 1.22;
  letter-spacing: 0;
}

h1 span {
  display: block;
  color: transparent;
  background: linear-gradient(90deg, #073aa4 0%, #1463ff 52%, #12bfd0 100%);
  background-clip: text;
  -webkit-background-clip: text;
  font-weight: 950;
}

.lead {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(15px, 1.22vw, 17px);
  line-height: 1.9;
}

.lead-product {
  color: var(--blue);
  font-weight: 950;
}

.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 7px;
  margin-top: 20px;
  color: #304462;
  font-size: 12.5px;
  font-weight: 850;
}

.trust-line b {
  color: rgba(85, 105, 135, 0.42);
  font-weight: 700;
}

.trust-item {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
}

.trust-item i {
  position: relative;
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 6px 14px rgba(20, 99, 255, 0.18);
}

.trust-item i::after {
  position: absolute;
  top: 3.5px;
  left: 3.5px;
  width: 6px;
  height: 4px;
  border-bottom: 2px solid #fff;
  border-left: 2px solid #fff;
  content: "";
  transform: rotate(-45deg);
}

.trust-item strong {
  color: var(--blue);
  font-weight: 950;
}

.hero-actions {
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
  margin-top: 30px;
}

.hero-image-slot {
  position: relative;
  display: grid;
  min-height: 430px;
  align-items: center;
  justify-items: end;
  isolation: isolate;
  overflow: hidden;
}

.hero-image-slot::before,
.hero-image-slot::after {
  position: absolute;
  border-radius: 999px;
  content: "";
  filter: blur(2px);
  pointer-events: none;
}

.hero-image-slot::before {
  width: 330px;
  height: 330px;
  background: radial-gradient(circle, rgba(20, 99, 255, 0.15), transparent 68%);
  animation: lightDrift 10s ease-in-out infinite;
}

.hero-image-slot::after {
  right: 8%;
  bottom: 16%;
  width: 170px;
  height: 170px;
  background: radial-gradient(circle, rgba(18, 191, 208, 0.16), transparent 70%);
  animation: lightDrift 12s ease-in-out infinite reverse;
}

.hero-image-slot img {
  position: relative;
  z-index: 1;
  display: block;
  width: min(100%, 740px);
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 26px 52px rgba(17, 53, 115, 0.14));
  transform: translateX(0);
  animation: none;
}

.button {
  justify-content: center;
  min-height: 44px;
  padding: 11px 21px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease;
}

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

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow: 0 18px 38px rgba(20, 99, 255, 0.28);
}

.button.secondary {
  color: var(--blue-deep);
  border-color: rgba(20, 99, 255, 0.18);
  background: rgba(255, 255, 255, 0.72);
}

.download-button {
  gap: 8px;
  min-height: 42px;
  padding-inline: 17px;
  white-space: nowrap;
}

.button-icon {
  display: block;
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  fill: currentColor;
}

.showcase-shell {
  width: min(1180px, 100%);
  margin: 42px auto 0;
  padding-bottom: 70px;
}

.product-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(199, 216, 239, 0.9);
  border-radius: 34px;
  background: #fff;
  box-shadow: var(--shadow);
}

.product-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.012);
}

.paper-proof,
.proof-band,
.cowork,
.ecosystem {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding-top: 70px;
}

.paper-proof {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1.14fr);
  gap: 48px;
  align-items: center;
  padding: 4px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.paper-preview {
  overflow: hidden;
  display: block;
  border: 1px solid rgba(200, 219, 244, 0.9);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 18px 52px rgba(17, 53, 115, 0.11);
  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease;
}

.paper-preview:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 86px rgba(17, 53, 115, 0.18);
}

.paper-preview-top {
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  color: #1a2b4c;
  background: #f7fbff;
}

.paper-preview-top span {
  color: var(--blue);
  font-size: 14px;
  font-weight: 950;
}

.paper-preview-top strong {
  font-size: 14px;
}

.paper-preview img {
  display: block;
  width: 100%;
  aspect-ratio: 1.25 / 1;
  object-fit: cover;
  object-position: 50% 18%;
}

.paper-proof span,
.proof-text span,
.section-head span {
  color: var(--blue);
  font-size: 14px;
  font-weight: 950;
}

.paper-proof h2,
.proof-text h2,
.section-head h2 {
  font-size: clamp(21px, 2vw, 28px);
  line-height: 1.18;
}

.paper-proof h2,
.ecosystem .section-head h2 {
  white-space: nowrap;
}

.paper-proof p,
.proof-text p,
.section-head p {
  max-width: 960px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.paper-proof .button {
  width: fit-content;
  margin-top: 8px;
}

.research-copy {
  min-width: 0;
}

.research-tags {
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}

.research-tags span {
  padding: 8px 12px;
  border: 1px solid rgba(20, 99, 255, 0.16);
  border-radius: 999px;
  color: #0b4d8f;
  background: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 900;
}

.proof-band {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 34px;
  align-items: center;
  padding: 38px;
  border-radius: 32px;
  color: #fff;
  background:
    radial-gradient(circle at 88% 18%, rgba(18, 191, 208, 0.32), transparent 30%),
    linear-gradient(135deg, #071526, #0b3fa9 66%, #087e89);
}

.proof-text p {
  color: rgba(255, 255, 255, 0.78);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.metrics article {
  min-height: 136px;
  padding: 18px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.1);
}

.metrics strong {
  display: block;
  color: #fff;
  font-size: 34px;
}

.metrics span {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.45;
  font-weight: 780;
}

.section-head {
  max-width: 780px;
  margin-bottom: 22px;
}

.feature-grid,
.eco-grid {
  display: grid;
  gap: 16px;
}

.feature-grid {
  grid-template-columns: repeat(4, 1fr);
}

.feature-grid article,
.eco-grid article {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(17, 53, 115, 0.08);
  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease;
}

.feature-grid article:hover,
.eco-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 76px rgba(17, 53, 115, 0.14);
}

.feature-grid article span {
  color: var(--cyan);
  font-weight: 950;
}

.feature-grid h3,
.eco-grid h3 {
  margin-top: 14px;
  font-size: 19px;
}

.feature-grid p,
.eco-grid p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.66;
}

.eco-grid {
  position: relative;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.eco-grid::before {
  display: none;
}

.eco-grid article {
  position: relative;
  overflow: hidden;
  min-height: 244px;
  padding: 22px 22px 78px;
  border: 1px solid rgba(203, 221, 246, 0.8);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(20, 99, 255, 0.08), transparent 44%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(246, 250, 255, 0.86)),
    #fff;
  box-shadow: 0 14px 38px rgba(17, 53, 115, 0.07);
}

.eco-grid article::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  content: "";
}

.eco-grid article::after {
  display: none;
}

.eco-grid h3 {
  margin-top: 0;
}

.eco-grid strong {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font-size: 15px;
}

.product-action {
  position: absolute;
  bottom: 22px;
  left: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  font: inherit;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    background 0.22s ease;
}

.product-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(20, 99, 255, 0.2);
}

.download-options {
  position: absolute;
  bottom: 68px;
  left: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: calc(100% - 48px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.download-options.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.download-options a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(20, 99, 255, 0.18);
  border-radius: 8px;
  color: var(--blue-deep);
  background: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 900;
}

.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.qr-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

body.modal-open {
  overflow: hidden;
}

.qr-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(4, 15, 34, 0.46);
  cursor: pointer;
}

.qr-panel {
  position: relative;
  z-index: 1;
  width: min(360px, 100%);
  padding: 30px;
  border: 1px solid rgba(207, 224, 247, 0.9);
  border-radius: 24px;
  text-align: center;
  background: #fff;
  box-shadow: 0 30px 90px rgba(5, 21, 52, 0.28);
}

.feedback-panel {
  width: min(560px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  overflow: auto;
  text-align: left;
}

.qr-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #41536c;
  background: #eef5ff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.qr-panel h2 {
  font-size: 26px;
}

.qr-panel p {
  margin-top: 16px;
  color: var(--muted);
  line-height: 1.6;
}

.feedback-intro {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.feedback-form {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.feedback-form label {
  display: grid;
  gap: 8px;
  color: #243651;
  font-size: 14px;
  font-weight: 850;
}

.feedback-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feedback-form input,
.feedback-form textarea {
  width: 100%;
  border: 1px solid rgba(194, 214, 242, 0.95);
  border-radius: 12px;
  color: var(--ink);
  background: rgba(247, 251, 255, 0.88);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  outline: none;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.feedback-form input {
  min-height: 42px;
  padding: 0 13px;
}

.feedback-form textarea {
  resize: vertical;
  min-height: 120px;
  padding: 12px 13px;
  line-height: 1.65;
}

.feedback-form input[type="file"] {
  padding: 9px 13px;
}

.feedback-form input:focus,
.feedback-form textarea:focus {
  border-color: rgba(20, 99, 255, 0.56);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(20, 99, 255, 0.1);
}

.feedback-submit {
  width: fit-content;
  margin-top: 2px;
  cursor: pointer;
}

.feedback-status {
  min-height: 22px;
  margin: 0;
  color: #0b7a5b;
  font-size: 13px;
  font-weight: 800;
}

.qr-image {
  display: block;
  width: 190px;
  height: 190px;
  margin: 22px auto 0;
  border: 12px solid #fff;
  border-radius: 16px;
  box-shadow: 0 18px 42px rgba(20, 99, 255, 0.16);
}

.qr-code {
  position: relative;
  width: 190px;
  height: 190px;
  margin: 22px auto 0;
  border: 12px solid #fff;
  border-radius: 16px;
  background:
    linear-gradient(90deg, #081426 12px, transparent 12px) 0 0 / 28px 28px,
    linear-gradient(#081426 12px, transparent 12px) 0 0 / 28px 28px,
    linear-gradient(135deg, #1463ff, #12bfd0);
  box-shadow: 0 18px 42px rgba(20, 99, 255, 0.16);
}

.qr-code::before {
  position: absolute;
  inset: 52px;
  border: 10px solid #fff;
  border-radius: 18px;
  background: url("./assets/medseek-mascot.png") center / cover;
  content: "";
}

.closing-cta {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 690px) max-content;
  gap: clamp(44px, 5vw, 88px);
  align-items: start;
  width: min(1180px, calc(100% - 40px));
  min-height: 330px;
  margin: 78px auto 0;
  padding: 76px 0 56px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.closing-cta::before {
  position: absolute;
  right: -4%;
  bottom: -49%;
  width: clamp(620px, 43vw, 880px);
  height: clamp(620px, 43vw, 880px);
  border: 1px solid rgba(20, 99, 255, 0.08);
  border-radius: 50%;
  background:
    radial-gradient(circle at 56% 48%, rgba(20, 99, 255, 0.12), transparent 46%),
    radial-gradient(circle, rgba(255, 255, 255, 0.56), transparent 68%);
  content: "";
}

.closing-cta::after {
  position: absolute;
  top: clamp(58px, 5.6vw, 112px);
  right: clamp(32px, 4.2vw, 86px);
  width: clamp(320px, 26vw, 532px);
  height: clamp(130px, 10vw, 205px);
  border-top: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 50%;
  content: "";
  opacity: 0.85;
  transform: rotate(-18deg);
}

.closing-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
  text-align: left;
}

.closing-copy h2 {
  max-width: none;
  color: #081426;
  font-size: clamp(28px, 2.25vw, 42px);
  line-height: 1.18;
  letter-spacing: 0;
}

.closing-title-line {
  display: block;
  white-space: nowrap;
}

.closing-copy h2 em {
  font-style: normal;
  color: transparent;
  background: linear-gradient(90deg, #1463ff 0%, #1680ff 55%, #12bfd0 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.closing-copy p {
  margin-top: 18px;
  color: #526782;
  font-size: clamp(16px, 1.1vw, 20px);
  font-weight: 850;
}

.closing-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  margin-top: 42px;
  padding: 0 28px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow: 0 18px 42px rgba(20, 99, 255, 0.26);
  font-size: 16px;
  font-weight: 950;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease;
}

.closing-button::after {
  content: "↗";
  font-size: 26px;
  line-height: 1;
}

.closing-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 56px rgba(20, 99, 255, 0.32);
}

.closing-side {
  position: relative;
  z-index: 2;
  padding: 0;
}

.closing-side > p {
  margin: 0;
  color: #263b5d;
  font-size: clamp(16px, 1.1vw, 20px);
  font-weight: 900;
}

.closing-qrs {
  display: grid;
  grid-template-columns: repeat(3, max-content);
  gap: clamp(18px, 1.75vw, 34px);
  align-items: end;
  margin-top: 116px;
}

.closing-qrs article {
  min-width: 0;
  text-align: center;
}

.closing-qrs span {
  display: block;
  margin-top: clamp(10px, 1vw, 20px);
  color: #2e4567;
  font-size: clamp(13px, 1vw, 20px);
  font-weight: 850;
  white-space: nowrap;
}

.footer-qr {
  display: block;
  width: clamp(108px, 7.5vw, 150px);
  height: clamp(108px, 7.5vw, 150px);
  padding: 8px;
  border: 1px solid rgba(190, 211, 239, 0.86);
  border-radius: clamp(12px, 0.92vw, 19px);
  object-fit: contain;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 42px rgba(17, 53, 115, 0.13);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes lightDrift {
  0%,
  100% {
    opacity: 0.72;
    transform: translateX(-2%);
  }
  50% {
    opacity: 1;
    transform: translateX(2%);
  }
}

@keyframes heroArtFloat {
  0%,
  100% {
    transform: translateX(0) translateY(0);
  }
  50% {
    transform: translateX(0) translateY(-8px);
  }
}

@keyframes heroArtFloatTablet {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 1080px) {
  .hero-top {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
    text-align: center;
    margin-inline: auto;
  }

  .lead {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .trust-line {
    justify-content: center;
  }

  .hero-image-slot {
    min-height: 360px;
  }

  .hero-image-slot img {
    width: min(100%, 620px);
    transform: none;
    animation: none;
  }

  .paper-proof,
  .proof-band,
  .eco-grid {
    grid-template-columns: 1fr;
  }

  .closing-cta {
    display: block;
    gap: 34px;
    min-height: auto;
    padding: 64px 40px;
  }

  .closing-copy {
    position: relative;
    top: auto;
    left: auto;
  }

  .closing-copy h2 {
    white-space: normal;
  }

  .closing-side {
    position: relative;
    top: auto;
    left: auto;
    margin-top: 44px;
    padding: 0;
  }

  .closing-qrs {
    grid-template-columns: repeat(3, 118px);
    justify-content: start;
    margin-top: 28px;
  }

  .metrics,
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .eco-grid::before {
    display: none;
  }
}

@media (max-width: 720px) {
  .nav {
    top: 0;
    width: min(100% - 24px, 1180px);
    min-height: 68px;
    padding: 12px 0;
  }

  .brand {
    font-size: 16px;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .nav-actions {
    gap: 14px;
    font-size: 13px;
  }

  .nav-actions a:nth-of-type(1) {
    display: none;
  }

  .hero {
    padding: 112px 14px 48px;
  }

  h1 {
    line-height: 1.18;
    font-size: clamp(30px, 8vw, 42px);
  }

  .lead {
    font-size: 15px;
    line-height: 1.76;
  }

  .hero-actions {
    gap: 10px;
  }

  .download-button {
    width: 100%;
    max-width: 280px;
  }

  .trust-line {
    font-size: 13px;
  }

  .hero-image-slot {
    min-height: 300px;
  }

  .hero-image-slot img {
    width: min(100%, 520px);
  }

  .product-frame {
    border-radius: 24px;
    aspect-ratio: 10 / 13;
  }

  .product-frame img {
    object-position: 36% center;
  }

  .paper-proof,
  .proof-band,
  .cowork,
  .ecosystem,
  .closing-cta {
    width: min(100% - 28px, 1180px);
    margin-top: 58px;
  }

  .paper-proof,
  .proof-band {
    padding: 24px;
  }

  .closing-cta {
    min-height: 0;
    padding: 28px 0 0;
    margin-bottom: 42px;
  }

  .closing-copy h2 {
    font-size: clamp(28px, 7vw, 38px);
    white-space: normal;
  }

  .closing-title-line {
    white-space: normal;
  }

  .closing-qrs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 24px;
  }

  .closing-side {
    padding: 0;
  }

  .closing-side > p {
    font-size: 16px;
  }

  .footer-qr {
    width: min(100%, 112px);
    height: auto;
    aspect-ratio: 1;
    padding: 6px;
  }

  .closing-qrs span {
    font-size: 12px;
    white-space: normal;
  }
  .paper-preview img {
    aspect-ratio: 1.35 / 1;
  }

  .paper-proof p,
  .proof-text p,
  .section-head p {
    font-size: 16px;
  }

  .paper-proof h2,
  .ecosystem .section-head h2 {
    white-space: normal;
  }

  .metrics,
  .feature-grid,
  .eco-grid {
    grid-template-columns: 1fr;
  }

  .eco-grid article {
    min-height: 0;
    padding-bottom: 28px;
  }

  .product-action {
    position: static;
    width: fit-content;
    margin-top: 22px;
  }

  .download-options {
    position: static;
    margin-top: 12px;
  }

  .feedback-fields {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}