:root {
  --ink: #07111d;
  --muted: #5d6b66;
  --muted-strong: #44534d;
  --line: #dfe6e1;
  --soft: #f3f7f4;
  --soft-warm: #f7f6f1;
  --accent: #21c063;
  --accent-dark: #08763f;
  --accent-soft: #e9f8ef;
  --white: #ffffff;
  --max: 1120px;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1,
h2,
h3 {
  letter-spacing: -0.025em;
}

h1 {
  margin-bottom: 22px;
  max-width: 820px;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
  overflow-wrap: normal;
  hyphens: none;
}

h2 {
  margin-bottom: 18px;
  max-width: 840px;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
  overflow-wrap: normal;
  hyphens: none;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.2;
  text-wrap: balance;
}

p {
  margin-bottom: 0;
  text-wrap: pretty;
}

:focus-visible {
  outline: 3px solid rgba(33, 192, 99, 0.5);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  transform: translateY(-160%);
  border-radius: 10px;
  background: var(--ink);
  color: var(--white);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(223, 230, 225, 0.9);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  min-height: 74px;
  align-items: center;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-logo {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  background: var(--white);
}

.brand-logo img {
  width: 24px;
  height: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 700;
}

.nav-links a {
  transition: color 160ms ease;
}

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

.nav-cta {
  flex: 0 0 auto;
}

.language {
  position: relative;
  flex: 0 0 auto;
}

.language summary,
.mobile-menu summary {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  padding: 0 13px;
  color: var(--muted-strong);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  list-style: none;
}

.language summary {
  font-size: 12px;
}

.language summary::-webkit-details-marker,
.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.language-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 20;
  display: grid;
  min-width: 180px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  box-shadow: 0 18px 40px rgba(7, 17, 29, 0.1);
  padding: 6px;
}

.language-menu a {
  border-radius: 9px;
  padding: 9px 10px;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 600;
}

.language-menu a:hover,
.language-menu a[aria-current="page"] {
  background: var(--soft);
  color: var(--ink);
}

.mobile-menu {
  display: none;
  position: relative;
  margin-left: auto;
}

.mobile-menu > div {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 20;
  display: grid;
  min-width: 210px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 18px 40px rgba(7, 17, 29, 0.12);
  padding: 8px;
}

.mobile-menu a {
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--muted-strong);
  font-size: 14px;
  font-weight: 700;
}

.mobile-menu a:hover {
  background: var(--soft);
  color: var(--ink);
}

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 20px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #062313;
}

.btn-primary:hover {
  background: #19ad58;
}

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

.btn-ghost:hover {
  border-color: #b8c8bf;
  background: var(--soft);
}

.kicker {
  margin-bottom: 12px;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.mark {
  background: linear-gradient(180deg, transparent 64%, rgba(33, 192, 99, 0.22) 0);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.nowrap {
  white-space: nowrap;
}

.hero {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 18%, rgba(33, 192, 99, 0.13), transparent 30%),
    radial-gradient(circle at 12% 92%, rgba(33, 192, 99, 0.07), transparent 28%),
    var(--white);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 48px;
  align-items: center;
  padding: 70px 0 72px;
}

.hero-copy .lead {
  max-width: 650px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.hero-proof span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  padding: 7px 11px;
  color: var(--muted-strong);
  font-size: 11px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 438px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(150deg, #f4f9f6, #edf3ef);
  padding: 34px;
}

.visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(7, 17, 29, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 17, 29, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 88%);
}

.hero-visual > img {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 360px;
  max-height: 300px;
  object-fit: contain;
  filter: drop-shadow(0 24px 30px rgba(7, 17, 29, 0.14));
}

.visual-tag {
  position: absolute;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 999px;
  background: rgba(7, 17, 29, 0.88);
  padding: 7px 11px;
  color: var(--white);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.visual-tag-a {
  top: 38px;
  left: 34px;
}

.visual-tag-b {
  top: 38px;
  right: 34px;
  background: var(--accent);
  color: #062313;
}

.visual-tag-c {
  top: 92px;
  right: 34px;
}

.visual-caption {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  border: 1px solid rgba(223, 230, 225, 0.9);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  padding: 14px 16px;
  backdrop-filter: blur(10px);
}

.visual-caption strong {
  font-size: 13px;
}

.visual-caption span {
  color: var(--muted);
  font-size: 12px;
}

.section {
  scroll-margin-top: 90px;
  padding: 86px 0;
}

.section-soft {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 36px;
}

.section-head h2 {
  margin-bottom: 0;
}

.section-head > p {
  max-width: 400px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.machine-grid,
.board-grid,
.guide-grid {
  display: grid;
  gap: 14px;
}

.machine-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.machine-card {
  display: flex;
  min-height: 252px;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.machine-card:hover {
  transform: translateY(-3px);
  border-color: #bfcfc6;
  box-shadow: 0 18px 40px rgba(7, 17, 29, 0.06);
}

.card-index,
.step-number {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.machine-card h3 {
  margin-top: 22px;
  font-size: 20px;
}

.machine-card p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: auto;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
}

.card-link span {
  transition: transform 160ms ease;
}

.machine-card:hover .card-link span,
.board-card:hover .card-link span,
.guide-card:hover .card-link span {
  transform: translateX(3px);
}

.board-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.board-card {
  display: flex;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  scroll-margin-top: 92px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.board-card:hover {
  transform: translateY(-3px);
  border-color: #bfcfc6;
  box-shadow: 0 18px 40px rgba(7, 17, 29, 0.06);
}

.board-card figure {
  display: grid;
  height: 180px;
  margin: 0;
  place-items: center;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 45%, rgba(33, 192, 99, 0.09), transparent 55%),
    var(--soft-warm);
  padding: 22px;
}

.board-card figure img {
  max-height: 132px;
  object-fit: contain;
  transition: transform 180ms ease;
}

.board-card:hover figure img {
  transform: scale(1.03);
}

.board-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 16px;
}

.tags span {
  border-radius: 999px;
  background: var(--accent-soft);
  padding: 4px 7px;
  color: var(--accent-dark);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.board-body h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.board-body p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.step-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft-warm);
  padding: 24px;
}

.step-card h3 {
  margin-top: 24px;
}

.step-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.role-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 26px;
}

.role-label {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.role-card h3 {
  font-size: 20px;
}

.role-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.interface-band {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 30px;
  align-items: center;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  padding: 22px 24px;
}

.band-label {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chip-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
  padding: 7px 10px;
  font-size: 11px;
  font-weight: 700;
}

.interface-band > p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.guide-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.question-card {
  min-height: 250px;
}

.guide-card {
  display: flex;
  min-height: 230px;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 26px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.guide-card:hover {
  transform: translateY(-3px);
  border-color: #bfcfc6;
  box-shadow: 0 18px 40px rgba(7, 17, 29, 0.06);
}

.guide-tag {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 26px;
  border-radius: 999px;
  background: var(--accent-soft);
  padding: 5px 8px;
  color: var(--accent-dark);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.guide-card h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.guide-card p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  padding: 0 22px;
}

.faq-item summary {
  position: relative;
  padding: 22px 34px 22px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 2px;
  color: var(--accent-dark);
  content: "+";
  font-size: 22px;
  font-weight: 500;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.rfq-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--soft-warm);
}

.rfq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(380px, 1.14fr);
  gap: 48px;
  align-items: start;
}

.rfq-copy {
  padding-top: 16px;
}

.rfq-copy h2 {
  max-width: 620px;
}

.rfq-copy > p {
  max-width: 600px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.rfq-points {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  color: var(--muted-strong);
  font-size: 13px;
  list-style: none;
}

.rfq-points li {
  position: relative;
  padding-left: 18px;
}

.rfq-points li::before {
  position: absolute;
  top: .58em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.rfq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.rfq-links a {
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
}

.rfq-form {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  padding: 26px;
  box-shadow: 0 24px 60px rgba(7, 17, 29, 0.06);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.rfq-form label {
  display: grid;
  gap: 7px;
  margin-bottom: 12px;
  color: var(--muted-strong);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.rfq-form input,
.rfq-form select,
.rfq-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  line-height: 1.4;
}

.rfq-form textarea {
  min-height: 112px;
  resize: vertical;
}

.rfq-form input::placeholder,
.rfq-form textarea::placeholder {
  color: #98a39d;
}

.rfq-form input:focus,
.rfq-form select:focus,
.rfq-form textarea:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(33, 192, 99, 0.18);
  outline-offset: 0;
}

.form-optional {
  margin: 2px 0 14px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.form-optional summary {
  position: relative;
  padding-right: 24px;
  color: var(--muted-strong);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  list-style: none;
}

.form-optional summary::-webkit-details-marker {
  display: none;
}

.form-optional summary::after {
  position: absolute;
  top: -3px;
  right: 0;
  color: var(--accent-dark);
  content: "+";
  font-size: 18px;
  font-weight: 500;
}

.form-optional[open] summary::after {
  content: "−";
}

.form-hint,
.form-photo-hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.form-photo-hint {
  margin-top: 6px;
}

.rfq-form .btn {
  width: 100%;
  margin-top: 14px;
}

.form-status {
  min-height: 18px;
  margin: 10px 0 0;
  font-size: 12px;
  font-weight: 700;
}

.form-status:empty {
  min-height: 0;
  margin: 0;
}

.form-status.error {
  color: #b42318;
}

.form-status.success {
  color: var(--accent-dark);
}

.form-status.loading {
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--line);
  background: #fbfcfb;
  padding: 54px 0 26px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.7fr 1.1fr 0.6fr;
  gap: 40px;
}

.footer-brand p {
  max-width: 300px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.footer h2 {
  margin: 4px 0 16px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 13px;
  list-style: none;
}

.footer li {
  line-height: 1.5;
}

.footer a:hover {
  color: var(--ink);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: 44px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  color: var(--muted);
  font-size: 11px;
}

.thank-you-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  background:
    radial-gradient(circle at 80% 15%, rgba(33, 192, 99, 0.12), transparent 30%),
    var(--soft);
  padding: 40px 20px;
}

.thank-you-card {
  width: min(720px, 100%);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--white);
  padding: 46px;
  box-shadow: 0 26px 70px rgba(7, 17, 29, 0.07);
}

.thank-you-card h1 {
  margin: 22px 0 18px;
  font-size: clamp(32px, 3.4vw, 44px);
}

.thank-you-card > p {
  max-width: 600px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.thank-you-card .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.mobile-cta {
  display: none;
}

@media (max-width: 1060px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
    gap: 36px;
  }

  .machine-grid,
  .board-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .role-grid,
  .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-card:last-child {
    grid-column: 1 / -1;
    min-height: auto;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 0.7fr 1fr;
  }

  .footer-grid > div:last-child {
    grid-column: 2 / -1;
  }
}

@media (max-width: 940px) {
  .nav-links,
  .language,
  .nav-cta {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    padding: 56px 0 60px;
  }

  .hero-visual {
    min-height: 390px;
  }

  .section-head {
    display: block;
    margin-bottom: 30px;
  }

  .section-head > p {
    margin-top: 16px;
  }

  .interface-band,
  .rfq-grid {
    grid-template-columns: 1fr;
  }

  .rfq-copy {
    padding-top: 0;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .nav {
    min-height: 64px;
  }

  .brand {
    font-size: 18px;
  }

  .brand-logo {
    width: 36px;
    height: 36px;
  }

  .hero-grid {
    padding: 38px 0 44px;
  }

  h1 {
    font-size: clamp(32px, 8.8vw, 38px);
    line-height: 1.1;
  }

  h2 {
    font-size: clamp(26px, 7.5vw, 32px);
    line-height: 1.12;
  }

  .hero-copy .lead {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-visual {
    min-height: 320px;
    border-radius: 24px;
    padding: 24px;
  }

  .hero-visual > img {
    max-height: 210px;
  }

  .visual-tag-a {
    top: 20px;
    left: 20px;
  }

  .visual-tag-b {
    top: 20px;
    right: 20px;
  }

  .visual-tag-c {
    top: 66px;
    right: 20px;
  }

  .visual-caption {
    right: 16px;
    bottom: 16px;
    left: 16px;
  }

  .section {
    padding: 64px 0;
  }

  .machine-grid,
  .board-grid,
  .step-grid,
  .role-grid,
  .guide-grid,
  .question-grid {
    grid-template-columns: 1fr;
  }

  .guide-card:last-child {
    grid-column: auto;
  }

  .question-card {
    min-height: auto;
  }

  .machine-card,
  .guide-card {
    min-height: auto;
  }

  .board-card figure {
    height: 170px;
  }

  .interface-band {
    padding: 20px;
  }

  .rfq-form {
    border-radius: 20px;
    padding: 18px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .thank-you-card {
    padding: 28px;
  }

  .footer {
    padding-bottom: 100px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-grid > div:last-child {
    grid-column: auto;
  }

  .mobile-cta {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 60;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    backdrop-filter: blur(12px);
  }

  .mobile-cta .btn {
    min-height: 44px;
    padding: 0 10px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}