:root {
  --ink: #17213b;
  --ink-soft: #526079;
  --paper: #f5f7fb;
  --surface: #ffffff;
  --surface-blue: #edf5ff;
  --line: #dce3ef;
  --blue: #2563eb;
  --blue-deep: #1d4ed8;
  --cyan: #0891b2;
  --violet: #4338ca;
  --shadow: 0 24px 70px rgba(32, 55, 96, 0.12);
  --radius-large: 30px;
  --radius-medium: 20px;
  --content: min(1120px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 0%, rgba(191, 219, 254, 0.5), transparent 28rem),
    var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--blue-deep);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--violet);
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.42);
  outline-offset: 4px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 10px;
  color: white;
  background: var(--blue-deep);
  transform: translateY(-150%);
}

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

.site-frame {
  min-height: 100vh;
}

.site-header {
  display: flex;
  width: var(--content);
  min-height: 96px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--ink);
  text-decoration: none;
}

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

.brand-mark {
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(23, 37, 84, 0.3);
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: -0.015em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-nav a {
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--blue-deep);
  background: rgba(255, 255, 255, 0.74);
}

.site-nav a[aria-current="page"] {
  color: var(--blue-deep);
  background: rgba(255, 255, 255, 0.74);
}

.home-hero {
  display: grid;
  width: var(--content);
  min-height: 610px;
  margin: 0 auto;
  padding: 72px clamp(28px, 6vw, 84px);
  grid-template-columns: minmax(0, 1.2fr) minmax(290px, 0.8fr);
  align-items: center;
  gap: clamp(44px, 7vw, 96px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: var(--radius-large);
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.98), rgba(239, 246, 255, 0.93)),
    var(--surface);
  box-shadow: var(--shadow);
}

.eyebrow,
.card-kicker,
.contact-label {
  color: var(--blue-deep);
  font-size: 0.75rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-copy h1,
.support-hero h1,
.document-header h1 {
  max-width: 800px;
  margin: 14px 0 22px;
  font-size: clamp(2.8rem, 6vw, 5.65rem);
  font-weight: 780;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.hero-copy > p {
  max-width: 620px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  line-height: 1.7;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 19px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 0.94rem;
  font-weight: 720;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

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

.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.24);
}

.button-primary:hover { color: white; }

.button-secondary {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
}

.listening-card {
  position: relative;
  padding: 34px;
  overflow: hidden;
  border-radius: 26px;
  color: #f8fbff;
  background:
    radial-gradient(circle at 95% 0%, rgba(34, 211, 238, 0.38), transparent 14rem),
    linear-gradient(145deg, #1e3a8a, #312e81 72%);
  box-shadow: 0 28px 60px rgba(30, 58, 138, 0.25);
}

.listening-card .card-kicker { color: #bfdbfe; }

.sound-rings {
  position: relative;
  width: 126px;
  height: 126px;
  margin: 0 0 56px auto;
}

.sound-rings span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 50%;
}

.sound-rings span:nth-child(2) { inset: 20px; opacity: 0.72; }
.sound-rings span:nth-child(3) { inset: 42px; background: rgba(255,255,255,0.88); }

.listening-card ul {
  display: grid;
  margin: 22px 0 0;
  padding: 0;
  gap: 0;
  list-style: none;
}

.listening-card li {
  display: grid;
  padding: 15px 0;
  grid-template-columns: 38px 1fr;
  align-items: baseline;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-weight: 620;
}

.listening-card li span {
  color: #93c5fd;
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.resource-section,
.document-main,
.contact-strip {
  width: var(--content);
  margin-inline: auto;
}

.resource-section {
  padding: 108px 0;
}

.section-heading {
  margin-bottom: 32px;
}

.section-heading h2,
.contact-strip h2,
.support-note h2,
.privacy-link-card h2 {
  margin: 7px 0 0;
  font-size: clamp(2rem, 4vw, 3.35rem);
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.resource-card {
  display: flex;
  min-height: 340px;
  padding: clamp(28px, 4vw, 44px);
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  color: var(--ink);
  background: var(--surface);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.resource-card:hover {
  border-color: #b8c7dd;
  color: var(--ink);
  box-shadow: 0 18px 50px rgba(32, 55, 96, 0.1);
  transform: translateY(-4px);
}

.resource-card-support {
  background: linear-gradient(145deg, #f0f9ff, #ffffff 70%);
}

.resource-card-privacy {
  background: linear-gradient(145deg, #eef2ff, #ffffff 70%);
}

.resource-card-guide {
  background: linear-gradient(145deg, #ecfeff, #ffffff 70%);
}

.card-number {
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.resource-card h3 {
  margin: 48px 0 10px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: -0.04em;
}

.resource-card p {
  max-width: 520px;
  margin: 0;
  color: var(--ink-soft);
}

.text-link {
  display: inline-flex;
  margin-top: auto;
  align-items: center;
  gap: 8px;
  color: var(--blue-deep);
  font-weight: 720;
}

.contact-strip {
  display: flex;
  margin-bottom: 100px;
  padding: clamp(30px, 5vw, 58px);
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-radius: var(--radius-medium);
  color: white;
  background:
    radial-gradient(circle at 88% 25%, rgba(34, 211, 238, 0.34), transparent 18rem),
    #172554;
}

.contact-strip .eyebrow { color: #93c5fd; }
.contact-strip h2 { color: white; }
.contact-strip > a {
  display: inline-flex;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 14px;
  color: white;
  font-weight: 720;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.document-main {
  padding: 58px 0 108px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 24px;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 680;
  text-decoration: none;
}

.document-card {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(30px, 7vw, 86px);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.document-header {
  padding-bottom: 38px;
  border-bottom: 1px solid var(--line);
}

.document-header h1 {
  margin-bottom: 18px;
  font-size: clamp(2.8rem, 7vw, 5rem);
}

.document-lede {
  max-width: 670px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.15rem;
}

.effective-date {
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 650;
}

.privacy-summary {
  margin: 38px 0 12px;
  padding: 24px 26px;
  border: 1px solid #bfdbfe;
  border-radius: 16px;
  background: var(--surface-blue);
}

.privacy-summary strong {
  display: block;
  color: #1e40af;
  font-size: 1.05rem;
}

.privacy-summary p { margin: 4px 0 0; color: var(--ink-soft); }

.document-card section {
  padding-top: 32px;
}

.document-card section h2 {
  margin: 0 0 10px;
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  letter-spacing: -0.025em;
}

.document-card section p {
  margin: 0 0 14px;
  color: #3f4d66;
}

.contact-section {
  margin-top: 18px;
  padding: 28px !important;
  border-radius: 18px;
  color: white;
  background: #172554;
}

.contact-section h2,
.contact-section p { color: white !important; }
.contact-section a { color: #bfdbfe; }

.contact-link {
  display: inline-block;
  margin-bottom: 10px;
  font-size: clamp(1rem, 3vw, 1.25rem);
  font-weight: 720;
  overflow-wrap: anywhere;
}

.support-hero {
  display: grid;
  padding: clamp(34px, 6vw, 72px);
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: center;
  gap: clamp(34px, 6vw, 80px);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background: rgba(255,255,255,0.92);
  box-shadow: var(--shadow);
}

.support-hero h1 { font-size: clamp(3rem, 7vw, 5.4rem); }
.support-hero > div:first-child > p { color: var(--ink-soft); font-size: 1.12rem; }

.support-contact-card {
  padding: 30px;
  border-radius: 22px;
  color: white;
  background: linear-gradient(145deg, #1d4ed8, #3730a3);
}

.support-contact-card .contact-label { color: #bfdbfe; }
.support-contact-card > a {
  display: block;
  margin: 16px 0 22px;
  color: white;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 760;
  overflow-wrap: anywhere;
}
.support-contact-card p { margin: 0; color: #dbeafe; font-size: 0.9rem; }

.faq-section { padding: 100px 0; }

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

.faq-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.84);
}

.faq-item summary {
  position: relative;
  padding: 20px 60px 20px 22px;
  cursor: pointer;
  font-weight: 720;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 22px;
  color: var(--blue);
  content: "+";
  font-size: 1.5rem;
  transform: translateY(-50%);
}
.faq-item[open] summary::after { content: "−"; }

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

.support-note,
.privacy-link-card {
  display: grid;
  padding: clamp(30px, 5vw, 52px);
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 5vw, 70px);
  border-radius: var(--radius-medium);
}

.support-note {
  color: white;
  background: #172554;
}
.support-note .eyebrow { color: #93c5fd; }
.support-note h2 { color: white; font-size: clamp(1.8rem, 4vw, 2.8rem); }
.support-note p { margin: 0; color: #dbeafe; }

.privacy-link-card {
  margin-top: 24px;
  align-items: end;
  border: 1px solid var(--line);
  background: white;
}
.privacy-link-card h2 { margin-top: 12px; font-size: clamp(1.8rem, 4vw, 2.8rem); }
.privacy-link-card p { color: var(--ink-soft); }
.privacy-link-card .text-link { justify-self: end; }

.guide-hero {
  padding: clamp(38px, 7vw, 82px);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background:
    radial-gradient(circle at 92% 12%, rgba(34, 211, 238, 0.2), transparent 18rem),
    linear-gradient(145deg, #ffffff, #eff6ff);
  box-shadow: var(--shadow);
}

.guide-hero h1 {
  max-width: 850px;
  margin: 14px 0 22px;
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  font-weight: 780;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.guide-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
}

.guide-loop {
  display: grid;
  max-width: 850px;
  margin: 40px 0 0;
  padding: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
}

.guide-loop li {
  display: grid;
  min-height: 116px;
  padding: 18px;
  grid-template-columns: auto 1fr;
  align-content: center;
  column-gap: 12px;
  border: 1px solid rgba(186, 230, 253, 0.95);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
}

.guide-loop li > span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  grid-row: 1 / 3;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  color: #155e75;
  background: #cffafe;
  font-size: 0.68rem;
  font-weight: 780;
  font-variant-numeric: tabular-nums;
}

.guide-loop strong {
  align-self: end;
  letter-spacing: -0.015em;
}

.guide-loop small {
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.35;
}

.pair-anatomy {
  display: inline-block;
  margin-top: 26px;
  padding: 18px 24px;
  border: 1px solid rgba(186, 230, 253, 0.95);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
}

.pair-anatomy-row {
  display: grid;
  grid-template-columns: 64px auto;
  align-items: baseline;
  column-gap: 18px;
}

.pair-anatomy-row + .pair-anatomy-row {
  margin-top: 6px;
}

.pa-word {
  font-style: italic;
  font-weight: 650;
}

.pa-phones {
  color: rgba(82, 96, 121, 0.55);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.pa-phones mark {
  padding: 1px 9px;
  border-radius: 9px;
  color: #155e75;
  background: #cffafe;
  font-weight: 700;
}

.pair-anatomy-caption {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.guide-method .section-heading h2,
.guide-test .section-heading h2 {
  margin: 9px 0 0;
  font-size: clamp(1.9rem, 4vw, 3rem);
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.guide-steps {
  padding: 96px 0;
}

.flow-chart {
  display: grid;
  max-width: 640px;
  margin: 0 auto;
  padding: 0;
  gap: 34px;
  list-style: none;
}

.step-card {
  position: relative;
  display: grid;
  padding: 26px 28px;
  grid-template-columns: auto 1fr;
  gap: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
}

.step-card + .step-card::before {
  content: "";
  position: absolute;
  top: -30px;
  left: 50%;
  width: 2px;
  height: 26px;
  background: #b8c7dd;
  transform: translateX(-50%);
}

.step-card + .step-card::after {
  content: "";
  position: absolute;
  top: -12px;
  left: 50%;
  border-top: 8px solid #b8c7dd;
  border-right: 6px solid transparent;
  border-left: 6px solid transparent;
  transform: translateX(-50%);
}

.step-card p.flow-return {
  display: inline-flex;
  margin: 12px 0 0;
  padding: 6px 12px;
  align-items: center;
  gap: 7px;
  border-radius: 999px;
  color: #155e75;
  background: #cffafe;
  font-size: 0.82rem;
  font-weight: 650;
}

.step-number {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  color: #155e75;
  background: #cffafe;
  font-size: 0.76rem;
  font-weight: 780;
  font-variant-numeric: tabular-nums;
}

.step-card h3 {
  margin: 3px 0 8px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.step-card p {
  margin: 0;
  color: var(--ink-soft);
}

.guide-method {
  padding-bottom: 22px;
}

.screen-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(230px, 23vw, 290px);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.screen-cards {
  display: grid;
  gap: 16px;
}

.screen-figure {
  position: sticky;
  top: 24px;
  margin: 0;
}

.screen-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.screen-figure figcaption {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  text-align: center;
}

.method-card {
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, #ecfeff, #ffffff 72%);
}

.method-number {
  color: #0e7490;
  font-size: 0.72rem;
  font-weight: 780;
  letter-spacing: 0.12em;
}

.method-card h3 {
  margin: 28px 0 10px;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.method-card p,
.guide-method-note {
  margin: 0;
  color: var(--ink-soft);
}

.guide-method-note {
  margin-top: 16px;
  padding: 18px 20px;
  border-left: 4px solid #06b6d4;
  border-radius: 0 14px 14px 0;
  background: rgba(236, 254, 255, 0.8);
}

.guide-test {
  padding-top: 96px;
}

.result-mock {
  display: grid;
  margin-bottom: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.result-mock > div {
  display: grid;
  padding: 13px 15px;
  gap: 3px;
  border: 1px solid #ddd6fe;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.85);
}

.rm-label {
  color: #3730a3;
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rm-value {
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 760;
  font-variant-numeric: tabular-nums;
}

.rm-note {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.guide-detail-card {
  padding: clamp(28px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  background: white;
}

.guide-detail-test {
  background: linear-gradient(145deg, #eef2ff, #ffffff 72%);
}

.guide-detail-results {
  background: linear-gradient(145deg, #f5f3ff, #ffffff 72%);
}

.guide-detail-card h3,
.guide-purchase-note h2 {
  margin: 10px 0 16px;
  font-size: clamp(1.65rem, 3vw, 2.5rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.guide-detail-card p {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

.result-definitions {
  display: grid;
  margin: 0;
  gap: 12px;
}

.result-definitions > div {
  padding: 17px 18px;
  border: 1px solid #ddd6fe;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.result-definitions dt {
  color: #3730a3;
  font-weight: 760;
}

.result-definitions dd {
  margin: 4px 0 0;
  color: var(--ink-soft);
}

.guide-detail-card .pass-rule {
  margin: 16px 0 0;
  padding: 18px;
  border-radius: 14px;
  color: #312e81;
  background: #eef2ff;
}

.guide-purchase-note {
  display: grid;
  margin-top: 22px;
  padding: clamp(30px, 5vw, 52px);
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  background: white;
}

.guide-purchase-note p {
  margin: 0;
  color: var(--ink-soft);
}

.guide-purchase-note .text-link {
  justify-self: end;
}

.site-footer {
  display: grid;
  width: var(--content);
  margin: 0 auto;
  padding: 38px 0 48px;
  grid-template-columns: 1fr auto;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.site-footer strong { color: var(--ink); }
.site-footer p { margin: 4px 0 0; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 20px; }
.footer-links a { color: var(--ink-soft); }
.copyright { grid-column: 1 / -1; }

@media (max-width: 820px) {
  .home-hero,
  .support-hero,
  .support-note,
  .privacy-link-card,
  .screen-row,
  .guide-purchase-note {
    grid-template-columns: 1fr;
  }

  .screen-figure {
    position: static;
    max-width: 280px;
    margin: 8px auto 0;
  }

  .home-hero { padding-block: 52px; }
  .listening-card { max-width: 520px; }
  .sound-rings { margin-bottom: 28px; }
  .privacy-link-card .text-link { justify-self: start; }
  .guide-purchase-note .text-link { justify-self: start; }
  .resource-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --content: min(100% - 24px, 1120px); }

  .site-header {
    min-height: 80px;
  }

  .brand-copy { display: none; }
  .site-nav { gap: 0; }
  .site-nav a { padding-inline: 9px; font-size: 0.86rem; }

  .home-hero {
    min-height: auto;
    padding: 44px 22px 24px;
    border-radius: 22px;
  }

  .hero-copy h1 { font-size: clamp(2.75rem, 15vw, 4.25rem); }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }

  .listening-card { padding: 24px; border-radius: 20px; }

  .resource-section { padding: 76px 0; }
  .resource-card { min-height: 300px; }

  .contact-strip {
    margin-bottom: 70px;
    align-items: flex-start;
    flex-direction: column;
  }
  .contact-strip > a { width: 100%; }

  .document-main { padding-top: 32px; }
  .document-card { padding: 28px 20px; border-radius: 22px; }
  .privacy-summary { padding: 20px; }
  .contact-section { padding: 22px !important; }

  .support-hero { padding: 32px 22px 22px; border-radius: 22px; }
  .support-contact-card { padding: 24px; }
  .faq-section { padding: 76px 0; }

  .guide-hero { padding: 38px 22px; border-radius: 22px; }
  .guide-loop { grid-template-columns: 1fr; }
  .guide-loop li { min-height: auto; }
  .pair-anatomy { display: block; }
  .guide-steps { padding: 76px 0; }
  .guide-test { padding-top: 76px; }
  .step-card { padding: 20px; gap: 16px; }

  .site-footer {
    grid-template-columns: 1fr;
  }
  .footer-links { justify-content: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button,
  .resource-card { transition: none; }
}

@media print {
  body { background: white; }
  .site-header,
  .site-footer,
  .back-link { display: none; }
  .document-main { width: 100%; padding: 0; }
  .document-card { max-width: none; padding: 0; border: 0; box-shadow: none; }
}