:root {
  --font-body: "Zen Kaku Gothic New", sans-serif;
  --font-display: "Murecho", sans-serif;
  --font-label: "League Spartan", sans-serif;
  --bg: #f2fcfd;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #1c2127;
  --surface-strong-2: #323c46;
  --surface-muted: #e1f8f9;
  --line: rgba(28, 33, 39, 0.12);
  --line-strong: rgba(28, 33, 39, 0.18);
  --text: #1c2127;
  --text-soft: #586470;
  --text-inverse: #f2fcfd;
  --accent: #23a3b3;
  --accent-strong: #1b7986;
  --accent-bright: #34cdd7;
  --accent-warm: #e89a3d;
  --accent-sun: #f3c788;
  --shadow-xl: 0 28px 80px rgba(20, 29, 36, 0.16);
  --shadow-md: 0 18px 40px rgba(20, 29, 36, 0.09);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --max-width: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--text);
  background:
    radial-gradient(
      circle at top left,
      rgba(35, 163, 179, 0.16),
      transparent 28%
    ),
    radial-gradient(
      circle at top right,
      rgba(52, 205, 215, 0.1),
      transparent 24%
    ),
    linear-gradient(180deg, #fbfeff 0%, #e8f5f7 100%);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(28, 33, 39, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 33, 39, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 85%);
}

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

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

.page-shell {
  position: relative;
  z-index: 1;
}

.site-header,
.hero,
.evidence-strip,
.content-section,
.site-footer {
  width: min(calc(100% - 32px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 12px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(248, 251, 253, 0.78);
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 32px rgba(20, 29, 36, 0.08);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.site-header.is-scrolled {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(20, 29, 36, 0.12);
  background: rgba(255, 255, 255, 0.92);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  font-family: var(--font-label);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-inverse);
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    var(--accent-bright) 56%,
    var(--accent-warm) 100%
  );
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 0.98rem;
  letter-spacing: 0.02em;
}

.brand-text small {
  color: var(--text-soft);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
  font-size: 0.94rem;
  color: var(--text-soft);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.header-cta,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
  text-align: center;
}

.header-cta {
  background: var(--surface-strong);
  color: var(--text-inverse);
  box-shadow: 0 10px 24px rgba(20, 29, 36, 0.18);
  font-size: 0.95rem;
  line-height: 1.25;
  white-space: nowrap;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent-warm) 0%, #cc7428 100%);
  color: var(--text-inverse);
  box-shadow: 0 16px 30px rgba(232, 154, 61, 0.24);
}

.header-cta:hover,
.primary-button:hover,
.header-cta:focus-visible,
.primary-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(20, 29, 36, 0.2);
}

.hero {
  margin-top: 28px;
  padding: 26px;
  border-radius: calc(var(--radius-xl) + 8px);
  background:
    radial-gradient(
      circle at top left,
      rgba(52, 205, 215, 0.16),
      transparent 26%
    ),
    radial-gradient(
      circle at right center,
      rgba(35, 163, 179, 0.14),
      transparent 24%
    ),
    linear-gradient(
      145deg,
      var(--surface-strong) 0%,
      var(--surface-strong-2) 100%
    );
  color: var(--text-inverse);
  box-shadow: var(--shadow-xl);
  overflow: clip;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -15% -35% 35%;
  aspect-ratio: 1;
  border-radius: 999px;
  background: radial-gradient(
    circle,
    rgba(232, 154, 61, 0.14),
    transparent 68%
  );
  pointer-events: none;
}

.panel {
  position: relative;
}

.eyebrow-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.status-pill,
.status-note {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  font-size: 0.83rem;
}

.status-pill {
  font-family: var(--font-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-note {
  color: rgba(245, 248, 251, 0.8);
}

.hero-grid {
  display: grid;
  gap: 28px;
}

.overline,
.section-kicker,
.mini-kicker,
.evidence-kicker,
.scope-kicker,
.timeline-step,
.message-label {
  font-family: var(--font-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.overline {
  margin: 0 0 14px;
  color: rgba(245, 248, 251, 0.72);
  font-size: 0.94rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 4.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-feature-settings: "palt" 1;
}

.hero-title-accent {
  color: var(--accent-bright);
}

.hero-title-break {
  display: block;
}

.lead {
  margin: 18px 0 0;
  font-size: clamp(1.02rem, 1.3vw, 1.18rem);
  line-height: 1.92;
  color: rgba(245, 248, 251, 0.84);
}

.hero-actions {
  margin-top: 28px;
}

.hero-points {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 1.02rem;
  line-height: 1.82;
  color: rgba(245, 248, 251, 0.86);
}

.hero-points li::before {
  content: "";
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  margin-top: 0.55em;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-bright), var(--accent-warm));
}

.hero-summary {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.hero-summary-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.hero-summary-card p {
  margin: 0 0 10px;
  font-family: var(--font-label);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 248, 251, 0.66);
}

.hero-summary-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.012em;
  font-feature-settings: "palt" 1;
  color: rgba(245, 248, 251, 0.92);
}

.hero-scene {
  position: relative;
}

.scene-card-main {
  position: relative;
  padding: 18px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.08),
      rgba(255, 255, 255, 0.03)
    ),
    rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.scene-topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  color: rgba(245, 248, 251, 0.72);
  font-size: 0.88rem;
}

.message-card {
  position: relative;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(10, 18, 28, 0.38);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 28px rgba(5, 11, 20, 0.16);
}

.message-card + .message-card {
  margin-top: 14px;
}

.message-label {
  font-size: 0.72rem;
  color: rgba(245, 248, 251, 0.66);
}

.message-card h2 {
  margin: 6px 0 8px;
  font-size: 1.08rem;
  line-height: 1.3;
}

.message-card p {
  margin: 0;
  color: rgba(245, 248, 251, 0.74);
  font-size: 0.92rem;
}

.message-card-alert {
  background:
    linear-gradient(135deg, rgba(232, 154, 61, 0.16), rgba(28, 33, 39, 0.24)),
    rgba(10, 18, 28, 0.42);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag-row span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.77rem;
  color: rgba(245, 248, 251, 0.82);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.summary-grid div {
  padding: 14px 10px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  text-align: center;
}

.summary-grid strong {
  display: block;
  font-family: var(--font-label);
  font-size: 2rem;
  line-height: 1;
}

.summary-grid span {
  font-size: 0.78rem;
  color: rgba(245, 248, 251, 0.68);
}

.visual-frame {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
  margin-bottom: 12px;
}

.visual-meter,
.visual-image {
  min-height: 118px;
  border-radius: var(--radius-md);
}

.visual-meter {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 14px;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.08),
      rgba(255, 255, 255, 0.02)
    ),
    rgba(255, 255, 255, 0.04);
}

.visual-meter span {
  color: rgba(245, 248, 251, 0.65);
  font-size: 0.78rem;
}

.visual-meter strong {
  font-family: var(--font-label);
  font-size: 2rem;
  line-height: 0.95;
}

.visual-image {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(
      circle at 25% 25%,
      rgba(243, 199, 136, 0.72) 0 14%,
      transparent 18%
    ),
    linear-gradient(145deg, rgba(35, 163, 179, 0.78), rgba(28, 33, 39, 0.92));
}

.visual-image::before,
.visual-image::after {
  content: "";
  position: absolute;
  inset: auto;
  border-radius: 999px;
}

.visual-image::before {
  width: 140px;
  height: 140px;
  right: -18px;
  bottom: -28px;
  background: rgba(255, 255, 255, 0.12);
}

.visual-image::after {
  width: 86px;
  height: 86px;
  left: 18px;
  top: 20px;
  background: rgba(255, 255, 255, 0.1);
}

.visual-image span {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 1;
  font-size: 0.76rem;
  color: rgba(245, 248, 251, 0.82);
}

.evidence-strip,
.device-grid,
.scope-grid,
.scenario-grid,
.benefit-grid,
.pain-grid,
.timeline-grid,
.cta-grid {
  display: grid;
  gap: 18px;
}

.evidence-strip {
  margin-top: 26px;
}

.evidence-card,
.pain-card,
.benefit-card,
.device-card,
.device-reference,
.scenario-card,
.timeline-card,
.scope-card,
.faq-item,
.cta-card,
.standard-box,
.cta-panel {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
}

.evidence-card {
  padding: 22px;
}

.evidence-kicker,
.device-kicker,
.section-kicker,
.mini-kicker,
.scope-kicker {
  margin: 0 0 10px;
  font-size: 0.79rem;
  color: var(--accent);
}

.evidence-card h2,
.device-card h3,
.device-reference h3,
.standard-box h3,
.pain-card h3,
.benefit-card h3,
.scenario-card h3,
.timeline-card h3,
.cta-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.012em;
  font-feature-settings: "palt" 1;
}

.evidence-card p:last-child,
.device-card p:not(.device-kicker),
.device-reference p:not(.mini-kicker),
.standard-box p,
.pain-card p,
.benefit-card p,
.scenario-card p,
.timeline-card p,
.cta-card p {
  margin-bottom: 0;
}

.content-section {
  margin-top: 54px;
}

.alt-surface {
  position: relative;
  padding: 28px;
  border-radius: calc(var(--radius-xl) + 8px);
  background:
    radial-gradient(
      circle at top left,
      rgba(35, 163, 179, 0.08),
      transparent 25%
    ),
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.76),
      rgba(242, 252, 253, 0.86)
    );
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-md);
}

.section-heading {
  margin-bottom: 22px;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.7rem);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.02em;
  font-feature-settings: "palt" 1;
}

.section-heading p:not(.section-kicker) {
  margin: 14px 0 0;
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--text-soft);
}

.pain-card,
.benefit-card,
.device-card,
.device-reference,
.scenario-card,
.timeline-card,
.scope-card,
.cta-card {
  padding: 22px;
}

.pain-index,
.benefit-number,
.cta-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  margin-bottom: 14px;
  font-family: var(--font-label);
  font-size: 1.05rem;
  background: linear-gradient(
    135deg,
    rgba(35, 163, 179, 0.14),
    rgba(232, 154, 61, 0.2)
  );
  color: var(--accent-strong);
}

.benefit-number {
  background: linear-gradient(
    135deg,
    rgba(35, 163, 179, 0.18),
    rgba(35, 163, 179, 0.08)
  );
}

.standard-box {
  display: grid;
  gap: 14px;
  padding: 22px;
  margin-top: 18px;
}

.device-grid {
  display: grid;
  gap: 18px;
}

.device-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px;
}

.device-reference {
  margin-top: 18px;
}

.device-reference-link {
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.article-feed-shell {
  display: grid;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
}

.article-feed-copy {
  margin: 0;
  line-height: 1.82;
  color: var(--text-soft);
}

.article-feed-link,
.device-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.78);
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.article-feed-link:hover,
.article-feed-link:focus-visible,
.device-link:hover,
.device-link:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(20, 29, 36, 0.1);
}

.scenario-intro {
  color: var(--text-soft);
}

.scenario-card ul,
.scope-card ul {
  margin: 14px 0 0;
  padding-left: 20px;
}

.scenario-card li,
.scope-card li {
  margin-top: 8px;
}

.timeline-step {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--accent-warm);
  font-size: 0.82rem;
}

.scope-card {
  background: rgba(255, 255, 255, 0.94);
}

.scope-card-alert {
  background: linear-gradient(
    180deg,
    rgba(232, 154, 61, 0.08),
    rgba(255, 255, 255, 0.94)
  );
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 0;
  overflow: clip;
}

.faq-item summary {
  cursor: pointer;
  padding: 20px 22px;
  list-style: none;
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.65;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  font-family: var(--font-label);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--accent);
}

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

.faq-item p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--text-soft);
}

.cta-panel {
  padding: 28px;
}

.contact-form {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.form-grid {
  display: grid;
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 10px;
}

.form-label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--accent-strong);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  padding: 15px 16px;
  font: inherit;
  color: var(--text);
  outline: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.form-field textarea {
  resize: vertical;
  min-height: 132px;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #7b8b97;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(35, 163, 179, 0.44);
  box-shadow: 0 0 0 4px rgba(35, 163, 179, 0.12);
  background: rgba(255, 255, 255, 0.92);
}

.contact-form-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding-top: 6px;
  border-top: 1px solid rgba(28, 33, 39, 0.08);
}

.cta-note {
  margin: 0;
  color: var(--text-soft);
}

.contact-form-status {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(35, 163, 179, 0.1);
  color: var(--accent-strong);
}

.site-footer {
  padding: 32px 0 60px;
  color: var(--text-soft);
  font-size: 0.92rem;
  text-align: center;
}

.site-footer-note {
  margin: 10px auto 0;
  font-size: 0.82rem;
  line-height: 1.8;
}

.site-footer-link {
  text-decoration: underline;
  text-underline-offset: 0.16em;
  color: var(--accent-strong);
}

.site-footer-link:hover,
.site-footer-link:focus-visible {
  color: var(--accent);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.message-card {
  animation: drift 9s ease-in-out infinite;
}

.message-card-summary {
  animation-delay: 1.2s;
}

.message-card-visual {
  animation-delay: 2.2s;
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@media (min-width: 700px) {
  .evidence-strip,
  .pain-grid,
  .benefit-grid,
  .timeline-grid,
  .cta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .hero {
    padding: 42px 40px 44px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    align-items: center;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 3.8vw, 4.25rem);
    line-height: 1.04;
  }

  .lead {
    font-size: 1.14rem;
  }

  .hero-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px 24px;
    max-width: 100%;
  }

  .hero-points li {
    font-size: 0.98rem;
  }

  .hero-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 30px;
  }

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

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

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

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

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

  .standard-box {
    grid-template-columns: minmax(240px, 0.85fr) minmax(0, 1fr);
    align-items: center;
  }

  .section-heading h2 {
    font-size: clamp(1.95rem, 2.5vw, 2.6rem);
  }

  .section-heading p:not(.section-kicker) {
    font-size: 1.05rem;
  }
}

@media (max-width: 1080px) {
  .site-header {
    border-radius: 28px;
    padding: 14px 16px;
  }

  .site-nav {
    display: none;
  }
}

@media (max-width: 699px) {
  .site-header,
  .hero,
  .evidence-strip,
  .content-section,
  .site-footer {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .site-header {
    top: 8px;
    gap: 12px;
  }

  body {
    font-size: 16px;
  }

  .brand-text small {
    display: none;
  }

  .brand-text strong {
    font-size: 0.92rem;
    line-height: 1.18;
  }

  .header-cta {
    min-height: 44px;
    max-width: 54vw;
    padding: 0 16px;
    font-size: 0.82rem;
    line-height: 1.28;
    white-space: normal;
  }

  .hero {
    padding: 22px 18px;
    margin-top: 18px;
  }

  .hero h1 {
    font-size: clamp(2.56rem, 10vw, 3.35rem);
    line-height: 1.02;
  }

  .lead {
    font-size: 1.04rem;
    line-height: 1.86;
  }

  .hero-points li {
    font-size: 1rem;
  }

  .section-heading h2 {
    font-size: clamp(1.72rem, 8vw, 2.35rem);
    line-height: 1.2;
  }

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

  .visual-frame {
    grid-template-columns: 1fr;
  }

  .visual-meter,
  .visual-image {
    min-height: 108px;
  }

  .alt-surface,
  .cta-panel {
    padding: 20px 18px;
  }

  .contact-form-footer {
    flex-direction: column;
    align-items: stretch;
  }
}

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

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .message-card,
  .header-cta,
  .primary-button,
  .site-header {
    animation: none;
    transition: none;
  }
}