:root {
  --ink: #101418;
  --muted: #596873;
  --line: #dbe3e8;
  --paper: #f6f8f7;
  --white: #ffffff;
  --teal: #00a99d;
  --teal-dark: #08766f;
  --amber: #f0a736;
  --navy: #142235;
  --plum: #4a2f57;
  --shadow: 0 24px 70px rgba(16, 20, 24, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 18px clamp(18px, 5vw, 72px);
  color: var(--white);
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.solid {
  color: var(--ink);
  background: rgba(246, 248, 247, 0.94);
  border-bottom: 1px solid rgba(16, 20, 24, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 188px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--teal), var(--amber));
  color: var(--white);
  font-weight: 900;
}

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

.brand small {
  opacity: 0.7;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.site-header.is-scrolled .site-nav,
.site-header.solid .site-nav {
  border-color: rgba(16, 20, 24, 0.1);
  background: rgba(255, 255, 255, 0.72);
}

.site-nav a {
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 800;
  opacity: 0.86;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.16);
  opacity: 1;
}

.site-header.is-scrolled .site-nav a:hover,
.site-header.solid .site-nav a:hover {
  background: rgba(16, 20, 24, 0.06);
}

.header-action,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 18px;
  font-weight: 900;
  white-space: nowrap;
}

.header-action {
  background: var(--white);
  color: var(--ink);
}

.site-header.is-scrolled .header-action,
.site-header.solid .header-action {
  background: var(--ink);
  color: var(--white);
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  padding: 132px clamp(20px, 6vw, 86px) 116px;
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    radial-gradient(circle at 76% 28%, rgba(0, 169, 157, 0.22), transparent 28%),
    linear-gradient(90deg, rgba(8, 14, 20, 0.94) 0%, rgba(8, 14, 20, 0.76) 43%, rgba(8, 14, 20, 0.2) 100%),
    linear-gradient(180deg, rgba(8, 14, 20, 0.42), rgba(8, 14, 20, 0.1) 54%, rgba(246, 248, 247, 1) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(820px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow,
.dark-section .eyebrow {
  color: #7ef5e7;
}

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

h1 {
  margin-bottom: 22px;
  max-width: 900px;
  font-size: clamp(3rem, 7vw, 6.9rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.18rem;
}

.hero-copy {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1rem, 2vw, 1.28rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button.primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 14px 30px rgba(0, 169, 157, 0.22);
}

.button.primary:hover {
  background: var(--teal-dark);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.button.ghost {
  border-color: rgba(16, 20, 24, 0.16);
  background: var(--white);
}

.hero-proof {
  position: absolute;
  right: clamp(20px, 6vw, 86px);
  bottom: 54px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 10px;
  width: min(580px, calc(100% - 40px));
}

.hero-proof div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

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

.hero-proof strong {
  margin-bottom: 5px;
  font-size: 1.1rem;
}

.hero-proof span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.83rem;
  font-weight: 700;
}

.trust-strip {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 18px clamp(18px, 5vw, 72px);
  margin-top: -42px;
}

.trust-strip span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 999px;
  padding: 0 16px;
  background: var(--white);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(16, 20, 24, 0.07);
}

.section {
  padding: clamp(70px, 9vw, 126px) clamp(20px, 6vw, 86px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.62fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: end;
  margin-bottom: 34px;
}

.section-heading p:last-child,
.value-grid p,
.process-copy p,
.contact-panel p,
.product-card p,
.package-card p,
.detail-copy p,
.spec-card p,
.feature-list li,
.outcome-list li,
.page-intro p {
  color: var(--muted);
  line-height: 1.72;
}

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

.system-map-section {
  padding-top: clamp(42px, 6vw, 76px);
}

.system-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
  padding: 18px;
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(0, 169, 157, 0.1), rgba(240, 167, 54, 0.1)),
    var(--white);
  box-shadow: 0 16px 46px rgba(16, 20, 24, 0.06);
}

.map-node {
  display: grid;
  min-height: 122px;
  align-content: center;
  justify-items: center;
  gap: 10px;
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 8px;
  padding: 16px 10px;
  background: rgba(255, 255, 255, 0.82);
  text-align: center;
  transition: transform 180ms ease, border-color 180ms ease;
}

.map-node:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 169, 157, 0.3);
}

.map-node span,
.product-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--teal), var(--amber));
  font-size: 0.78rem;
  font-weight: 900;
}

.map-node.core {
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--plum));
}

.map-node.core span {
  background: rgba(255, 255, 255, 0.16);
}

.impact-section {
  padding-top: 0;
}

.impact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.7fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: center;
  padding: clamp(28px, 5vw, 56px);
  border-radius: 8px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(20, 34, 53, 0.96), rgba(8, 118, 111, 0.86)),
    var(--navy);
  box-shadow: var(--shadow);
}

.impact-copy p {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.72;
}

.impact-board {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
}

.impact-stat {
  position: relative;
  min-height: 138px;
  overflow: hidden;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.impact-stat.main {
  grid-row: span 2;
  min-height: 288px;
}

.impact-stat small,
.impact-stat strong {
  position: relative;
  z-index: 1;
  display: block;
}

.impact-stat small {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.62);
  font-weight: 800;
}

.impact-stat strong {
  font-size: 1.8rem;
}

.impact-stat span {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  min-height: 120px;
  border-radius: 8px;
  padding: 18px;
  background: linear-gradient(135deg, rgba(126, 245, 231, 0.76), rgba(240, 167, 54, 0.82));
  color: var(--ink);
  font-weight: 900;
  line-height: 1.45;
}

.impact-stat i {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 12px 8px;
  border-radius: 8px 8px 0 0;
  background: rgba(126, 245, 231, 0.72);
  color: var(--ink);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 900;
}

.product-card {
  display: flex;
  min-height: 274px;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 46px rgba(16, 20, 24, 0.06);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.product-card::after {
  content: "";
  display: block;
  height: 7px;
  margin-top: 22px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--teal), rgba(240, 167, 54, 0.76));
  opacity: 0.72;
}

.product-icon {
  margin-bottom: 22px;
}

.product-icon + .product-kicker {
  margin-bottom: 24px;
}

.product-card.featured .product-icon,
.product-card.wide .product-icon {
  background: rgba(255, 255, 255, 0.16);
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 169, 157, 0.34);
  box-shadow: 0 22px 60px rgba(16, 20, 24, 0.12);
}

.product-card.featured {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(0, 169, 157, 0.86), rgba(20, 34, 53, 0.96)),
    var(--navy);
}

.product-card.featured p,
.product-card.featured .product-kicker {
  color: rgba(255, 255, 255, 0.76);
}

.product-card.wide {
  grid-column: span 3;
  min-height: 210px;
  background:
    linear-gradient(135deg, rgba(20, 34, 53, 0.96), rgba(74, 47, 87, 0.92)),
    var(--navy);
  color: var(--white);
}

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

.package-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 46px rgba(16, 20, 24, 0.06);
}

.package-card.highlighted {
  border-color: rgba(0, 169, 157, 0.3);
  box-shadow: 0 24px 70px rgba(0, 169, 157, 0.14);
}

.package-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--teal-dark);
  background: #e7f7f4;
  font-size: 0.74rem;
  font-weight: 900;
}

.package-meter {
  height: 28px;
  margin-bottom: 26px;
  border-radius: 99px;
  background: #e6ecef;
  overflow: hidden;
}

.package-meter span {
  display: flex;
  align-items: center;
  height: 100%;
  min-width: fit-content;
  padding: 0 11px;
  border-radius: inherit;
  color: var(--white);
  background: linear-gradient(90deg, var(--teal), var(--amber));
  font-size: 0.72rem;
  font-weight: 900;
  white-space: nowrap;
}

.proposal-visual-section {
  padding-top: 0;
  background: var(--paper);
}

.proposal-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(320px, 0.58fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: center;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 46px rgba(16, 20, 24, 0.06);
}

.proposal-preview p {
  max-width: 680px;
  color: var(--muted);
  line-height: 1.72;
}

.proposal-sheet {
  padding: 18px;
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 169, 157, 0.08), rgba(240, 167, 54, 0.1)),
    #fbfcfc;
}

.sheet-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.sheet-header span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 12px;
  color: var(--white);
  background: var(--navy);
  font-size: 0.82rem;
  font-weight: 900;
}

.sheet-header span:first-child {
  width: 42%;
}

.sheet-header span:last-child {
  width: 28%;
  background: var(--teal);
}

.sheet-row {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  align-items: center;
  margin-bottom: 13px;
}

.sheet-row i {
  display: grid;
  height: 40px;
  place-items: center;
  border-radius: 8px;
  color: var(--teal-dark);
  background: #e7f7f4;
  font-style: normal;
  font-weight: 900;
}

.sheet-row b {
  display: flex;
  min-height: 40px;
  align-items: center;
  border-radius: 999px;
  padding: 0 14px;
  color: var(--muted);
  background: #dce6ea;
  font-size: 0.84rem;
}

.sheet-row.strong b {
  width: 76%;
  background: var(--amber);
  color: var(--ink);
}

.sheet-footer {
  min-height: 70px;
  display: flex;
  align-items: center;
  margin-top: 20px;
  border-radius: 8px;
  padding: 18px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--plum));
  font-weight: 900;
}

.product-card.wide p,
.product-card.wide .product-kicker {
  color: rgba(255, 255, 255, 0.76);
}

.product-kicker {
  display: block;
  margin-bottom: 44px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.card-link {
  margin-top: 26px;
  color: var(--teal-dark);
  font-weight: 900;
}

.product-card.featured .card-link,
.product-card.wide .card-link {
  color: #7ef5e7;
}

.value-section {
  background: var(--white);
}

.industry-section {
  background: var(--white);
}

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

.industry-grid div {
  min-height: 168px;
  padding: 24px;
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(0, 169, 157, 0.08), transparent 52%),
    var(--paper);
}

.industry-grid span {
  display: inline-flex;
  margin-bottom: 38px;
  border-radius: 999px;
  padding: 8px 11px;
  color: var(--teal-dark);
  background: #e7f7f4;
  font-size: 0.78rem;
  font-weight: 900;
}

.industry-grid strong {
  display: block;
  line-height: 1.45;
}

.value-intro {
  max-width: 760px;
  margin-bottom: 34px;
}

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

.value-grid article {
  padding: 24px;
  border-top: 4px solid var(--teal);
  background: var(--paper);
  border-radius: 8px;
}

.value-grid span {
  display: block;
  margin-bottom: 34px;
  color: var(--amber);
  font-weight: 900;
}

.process-section,
.dark-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(300px, 0.74fr);
  gap: clamp(32px, 7vw, 88px);
  align-items: center;
  background: var(--navy);
  color: var(--white);
}

.process-copy p,
.dark-section p {
  color: rgba(255, 255, 255, 0.72);
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline div {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.timeline strong {
  display: block;
  margin-bottom: 8px;
  color: #7ef5e7;
}

.timeline span {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.65;
}

.contact-section {
  background:
    linear-gradient(135deg, rgba(0, 169, 157, 0.1), rgba(240, 167, 54, 0.13)),
    var(--paper);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 7vw, 92px);
  align-items: start;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.email-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--teal-dark);
  font-weight: 900;
  overflow-wrap: anywhere;
}

.inquiry-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

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

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(0, 169, 157, 0.18);
  border-color: var(--teal);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 86px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--ink);
  font-weight: 700;
}

.page-hero {
  padding: 142px clamp(20px, 6vw, 86px) 78px;
  color: var(--white);
  background:
    radial-gradient(circle at 75% 20%, rgba(0, 169, 157, 0.28), transparent 30%),
    linear-gradient(135deg, #101418, #142235 62%, #4a2f57);
}

.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.48fr);
  gap: clamp(28px, 7vw, 90px);
  align-items: end;
}

.page-hero h1 {
  font-size: clamp(2.8rem, 6vw, 6rem);
}

.page-intro {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}


.page-intro p {
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.76);
}

.detail-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(300px, 0.58fr);
  gap: clamp(28px, 6vw, 82px);
}

.detail-copy {
  max-width: 820px;
}

.feature-list,
.outcome-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li,
.outcome-list li {
  position: relative;
  padding-left: 28px;
}

.feature-list li::before,
.outcome-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
}

.spec-card {
  padding: 26px;
  border: 1px solid rgba(16, 20, 24, 0.08);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 46px rgba(16, 20, 24, 0.07);
}

.spec-card + .spec-card {
  margin-top: 16px;
}

.spec-card h3 {
  margin-bottom: 16px;
}

.spec-card p:last-child {
  margin-bottom: 0;
}

.cta-band {
  padding: clamp(54px, 7vw, 88px) clamp(20px, 6vw, 86px);
  background: var(--white);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(28px, 5vw, 48px);
  border-radius: 8px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(0, 169, 157, 0.9), rgba(20, 34, 53, 0.96)),
    var(--navy);
}

.cta-inner h2 {
  max-width: 720px;
  margin-bottom: 0;
}

@media (max-width: 1020px) {
  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 921px) {
  .hero-content {
    width: min(720px, 54vw);
  }
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
  }

  .site-nav {
    display: none;
  }

  .section-heading,
  .process-section,
  .contact-panel,
  .page-hero-inner,
  .detail-section,
  .impact-panel,
  .proposal-preview {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .product-card.wide {
    grid-column: span 2;
  }

  .hero-proof {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 48px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-action {
    min-height: 40px;
    padding: 0 13px;
  }

  .hero {
    min-height: 88vh;
    padding: 112px 18px 72px;
  }

  h1 {
    font-size: clamp(2.6rem, 15vw, 4.1rem);
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(8, 14, 20, 0.94), rgba(8, 14, 20, 0.66)),
      linear-gradient(180deg, rgba(8, 14, 20, 0.18), rgba(246, 248, 247, 1) 100%);
  }

  .button,
  .header-action {
    white-space: normal;
  }

  .hero-actions .button,
  .inquiry-form .button {
    width: 100%;
  }

  .hero-proof,
  .product-grid,
  .value-grid,
  .system-map,
  .industry-grid,
  .impact-board {
    grid-template-columns: 1fr;
  }

  .impact-stat.main {
    min-height: 210px;
  }

  .trust-strip {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-inline: 18px;
  }

  .trust-strip span {
    flex: 0 0 auto;
  }

  .product-card,
  .product-card.wide {
    grid-column: auto;
    min-height: auto;
  }

  .cta-inner,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}