:root {
  --bg: #f7f9fb;
  --bg-secondary: #edf3f6;
  --surface: #ffffff;
  --text: #40505d;
  --text-strong: #2f414e;
  --text-secondary: #5b6d79;
  --action: #536d7f;
  --selected: #e3edf2;
  --border: #e2e9ed;
  --soft: #d6e2e8;
  --shadow-soft: 0 34px 90px rgba(46, 65, 78, 0.16);
  --shadow-small: 0 14px 38px rgba(46, 65, 78, 0.1);
  --page-gutter: clamp(20px, 5vw, 76px);
  --content-width: 1380px;
  --header-height: 72px;
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

[id] { scroll-margin-top: calc(var(--header-height) + 18px); }

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  color: var(--text);
  background: linear-gradient(180deg, #f9fbfc 0, var(--bg) 420px);
  font-family: Pretendard, "Apple SD Gothic Neo", "Noto Sans KR", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: -0.015em;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: rgba(95, 113, 130, 0.16);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; touch-action: manipulation; }
button, input, textarea, select { font: inherit; }
button { touch-action: manipulation; }

:focus-visible {
  outline: 3px solid #7f9aab;
  outline-offset: 4px;
  border-radius: 8px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  left: 20px;
  top: 16px;
  z-index: 100;
  padding: 10px 16px;
  color: #fff;
  background: var(--text-strong);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-height);
  padding-inline: var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(249, 251, 252, 0.82);
  border-bottom: 1px solid rgba(67, 81, 95, 0.07);
  box-shadow: 0 8px 30px rgba(46, 65, 78, 0.025);
  backdrop-filter: blur(22px) saturate(135%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text-strong);
  font-size: 25px;
  line-height: 1;
  font-weight: 780;
  letter-spacing: -0.04em;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3.2vw, 48px);
  color: var(--text);
  font-size: 15px;
  font-weight: 660;
}

.site-nav a {
  position: relative;
  padding-block: 8px;
}

.site-nav a:not(.language-link)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 2px;
  height: 2px;
  background: var(--action);
  transition: right 180ms ease;
}

.site-nav a:hover::after { right: 0; }
.site-nav a[aria-current="page"]::after { right: 0; }

.language-link {
  min-width: 42px;
  padding: 7px 10px !important;
  text-align: center;
  border: 1px solid rgba(67, 81, 95, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 8px 24px rgba(46, 65, 78, 0.05);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
}

.nav-toggle > span:not(.sr-only) {
  display: block;
  width: 22px;
  height: 2px;
  margin: 6px auto;
  background: var(--text-strong);
  transition: transform 180ms ease;
}

.hero {
  min-height: calc(100svh - var(--header-height));
  padding: clamp(48px, 6.5vh, 82px) var(--page-gutter) 48px;
  display: grid;
  grid-template-columns: minmax(0, 0.93fr) minmax(420px, 1.07fr);
  align-items: center;
  gap: clamp(42px, 7vw, 112px);
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 82% 34%, rgba(213, 228, 236, 0.72), transparent 28%),
    linear-gradient(135deg, #f9fbfc 0%, #f4f8fa 52%, #eef4f7 100%);
}

.hero::before {
  content: "";
  position: absolute;
  width: min(50vw, 720px);
  aspect-ratio: 1;
  right: -5vw;
  top: 11%;
  z-index: 0;
  border-radius: 44% 56% 52% 48% / 48% 44% 56% 52%;
  background: rgba(255, 255, 255, 0.44);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72);
  filter: blur(1px);
}

.hero-copy,
.hero-visual { position: relative; z-index: 1; }

.hero-copy {
  min-width: 0;
  max-width: 680px;
  padding-left: max(0px, calc((100vw - var(--content-width)) / 2 - var(--page-gutter)));
  animation: copy-arrive 520ms cubic-bezier(.2, .78, .22, 1) both;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--action);
  font-size: 16px;
  font-weight: 760;
  letter-spacing: 0.01em;
}

.hero h1 {
  margin: 0;
  max-width: 650px;
  color: var(--text-strong);
  font-size: clamp(52px, 5.2vw, 78px);
  line-height: 1.08;
  font-weight: 790;
  letter-spacing: -0.065em;
  text-wrap: balance;
  word-break: keep-all;
}

.hero-definition {
  margin: 28px 0 0;
  max-width: 660px;
  color: var(--text-secondary);
  font-size: clamp(18px, 1.45vw, 22px);
  line-height: 1.72;
  word-break: keep-all;
}

.store-badges {
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 9px;
  filter: drop-shadow(0 10px 18px rgba(35, 50, 60, 0.08));
  transition: transform 180ms ease, filter 180ms ease;
}

.store-badge:hover {
  transform: translateY(-3px) scale(1.01);
  filter: brightness(1.06) drop-shadow(0 14px 24px rgba(35, 50, 60, 0.12));
}

.store-badge img { height: 52px; width: auto; }
.store-badge.google img { height: 60px; margin-inline: -8px; }

.availability {
  margin: 14px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.hero-visual {
  min-height: min(75vh, 750px);
  display: grid;
  place-items: center;
}

.phone-shell {
  --phone-rotate: 2.4deg;
  width: min(380px, 34vw);
  aspect-ratio: 0.466;
  padding: 0;
  border-radius: 34px;
  background: transparent;
  transform: rotate(var(--phone-rotate));
  animation: phone-arrive 560ms cubic-bezier(.2, .78, .22, 1) both;
}

.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 34px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 36px 92px rgba(44, 61, 73, 0.2), 0 6px 20px rgba(44, 61, 73, 0.09);
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.time-chip,
.total-note {
  position: absolute;
  z-index: 3;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-small);
  backdrop-filter: blur(18px) saturate(130%);
}

.time-chip {
  left: max(0px, 2vw);
  top: 25%;
  border-radius: 18px;
}

.time-chip span,
.total-note span {
  display: block;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 650;
}

.time-chip strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 31px;
  letter-spacing: -0.035em;
}

.total-note {
  right: max(0px, 1vw);
  bottom: 18%;
  border-radius: 20px;
}

.total-note strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text-strong);
  font-size: 23px;
}

.section {
  padding: clamp(92px, 12vw, 168px) var(--page-gutter);
}

.section-inner {
  width: min(100%, var(--content-width));
  margin-inline: auto;
}

.section-kicker {
  margin: 0 0 18px;
  color: var(--action);
  font-size: 15px;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section h2,
.page-intro h1 {
  margin: 0;
  max-width: 930px;
  color: var(--text-strong);
  font-size: clamp(38px, 4.3vw, 62px);
  line-height: 1.16;
  font-weight: 780;
  letter-spacing: -0.055em;
  text-wrap: balance;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.section-lead,
.page-intro .lead {
  margin: 28px 0 0;
  max-width: 780px;
  color: var(--text-secondary);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.8;
  word-break: keep-all;
}

.empathy-section {
  background: var(--surface);
  text-align: center;
}

.empathy-section h2,
.empathy-section .section-lead { margin-inline: auto; }

.flow-section { background: linear-gradient(180deg, #edf3f6, #f2f6f8); }

.flow-list {
  margin-top: 72px;
  padding: 0;
  list-style: none;
  counter-reset: flow;
  border-top: 1px solid rgba(67, 81, 95, 0.16);
}

.flow-list li {
  counter-increment: flow;
  display: grid;
  grid-template-columns: 80px minmax(180px, 0.65fr) minmax(260px, 1.35fr);
  align-items: baseline;
  gap: 26px;
  padding: 33px 0;
  border-bottom: 1px solid rgba(67, 81, 95, 0.16);
}

.flow-list li::before {
  content: "0" counter(flow);
  color: var(--action);
  font-size: 14px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.flow-list strong {
  color: var(--text-strong);
  font-size: clamp(23px, 2.2vw, 31px);
  line-height: 1.25;
}

.flow-list span { color: var(--text-secondary); }

.proof-section { background: var(--surface); }

.proof-row {
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(320px, 1.14fr);
  align-items: center;
  gap: clamp(54px, 9vw, 140px);
  padding-block: clamp(68px, 9vw, 126px);
  border-bottom: 1px solid var(--border);
}

.proof-row:last-child { border-bottom: 0; padding-bottom: 0; }
.proof-row:nth-child(even) .proof-media { order: 2; }

.proof-copy .step-label {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--action);
  font-size: 14px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.proof-copy h3 {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(34px, 3.6vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.05em;
}

.proof-copy p {
  margin: 22px 0 0;
  max-width: 570px;
  color: var(--text-secondary);
  font-size: 19px;
  line-height: 1.8;
}

.proof-media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 640px;
  border-radius: 0;
  background: transparent;
  overflow: visible;
}

.proof-media::before {
  content: "";
  position: absolute;
  width: min(100%, 520px);
  aspect-ratio: 0.9;
  border-radius: 46% 54% 48% 52% / 54% 45% 55% 46%;
  background: linear-gradient(145deg, #edf4f7, #e3edf2);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.82);
}

.proof-phone {
  position: relative;
  width: min(350px, 70%);
  max-height: 590px;
  object-fit: cover;
  object-position: top;
  border-radius: 30px;
  box-shadow: 0 30px 74px rgba(44, 61, 73, 0.18), 0 5px 16px rgba(44, 61, 73, 0.08);
  transition: transform 260ms ease, box-shadow 260ms ease;
}

.proof-media:hover .proof-phone {
  transform: translateY(-6px);
  box-shadow: 0 38px 84px rgba(44, 61, 73, 0.2), 0 8px 20px rgba(44, 61, 73, 0.09);
}

.evidence-section { background: linear-gradient(135deg, #3f5362, #536b7a); color: #edf3f6; }
.evidence-section .section-kicker { color: #b9c9d3; }
.evidence-section h2 { color: #fff; }
.evidence-section .section-lead { color: #cbd6dc; }

.evidence-source {
  display: inline-flex;
  margin-top: 30px;
  color: #dce7ed;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.evidence-section .text-link { color: #dce7ed; }

.audience-list {
  margin: 70px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.audience-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-strong);
  font-size: clamp(22px, 2.3vw, 32px);
  font-weight: 690;
  line-height: 1.42;
}

.audience-list span {
  color: var(--action);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.faq-preview { background: var(--surface); }

.faq-list {
  margin-top: 60px;
  border-top: 1px solid var(--border);
}

.faq-list details { border-bottom: 1px solid var(--border); }

.faq-list summary {
  position: relative;
  padding: 27px 54px 27px 0;
  color: var(--text-strong);
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 680;
  list-style: none;
  cursor: pointer;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  color: var(--action);
  font-size: 30px;
  font-weight: 400;
  transform: translateY(-50%);
}

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

.faq-list details p {
  margin: -5px 0 28px;
  max-width: 850px;
  color: var(--text-secondary);
  font-size: 17px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 34px;
  color: var(--action);
  font-weight: 720;
}

.text-link::after { content: "→"; transition: transform 160ms ease; }
.text-link:hover::after { transform: translateX(4px); }

.final-cta {
  padding: clamp(90px, 12vw, 150px) var(--page-gutter);
  text-align: center;
  background: linear-gradient(145deg, #e7eff3, #dbe8ee);
}

.final-cta h2 {
  margin-inline: auto;
  max-width: 900px;
}

.final-cta .store-badges { justify-content: center; }

.store-text-links {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 14px 28px;
  flex-wrap: wrap;
}

.store-text-links .text-link { margin-top: 0; }

.site-footer {
  padding: 62px var(--page-gutter) 32px;
  background: #344753;
  color: #dce5ea;
}

.footer-main,
.footer-meta {
  width: min(100%, var(--content-width));
  margin-inline: auto;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 50px;
}

.footer-brand { color: #fff; }
.footer-brand img { width: 38px; height: 38px; }

.footer-main p {
  margin: 18px 0 0;
  max-width: 430px;
  color: #aebdc6;
  font-size: 15px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 14px 32px;
  font-size: 14px;
}

.footer-links a:hover { color: #fff; }

.footer-meta {
  margin-top: 54px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #9eafb9;
  font-size: 12px;
}

.footer-meta p { margin: 0; }

.page-intro {
  padding: clamp(90px, 11vw, 156px) var(--page-gutter) clamp(72px, 9vw, 116px);
  background:
    radial-gradient(circle at 82% 28%, rgba(255, 255, 255, 0.9), transparent 24%),
    linear-gradient(145deg, #edf4f7, #f7f9fb);
}

.page-intro .section-inner { max-width: 1060px; }

.content-block {
  width: min(calc(100% - 2 * var(--page-gutter)), 1060px);
  margin: 0 auto;
  padding-block: clamp(76px, 9vw, 124px);
}

.content-block + .content-block { border-top: 1px solid var(--border); }

.content-block h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.22;
  letter-spacing: -0.045em;
}

.content-block h3 {
  margin: 42px 0 12px;
  color: var(--text-strong);
  font-size: 24px;
  line-height: 1.35;
}

.content-block p,
.content-block li {
  color: var(--text-secondary);
  font-size: 18px;
}

.content-block p { margin: 20px 0 0; }
.content-block p a:not(.text-link) { color: var(--action); text-decoration: underline; text-underline-offset: 3px; }
.content-block ul { margin: 24px 0 0; padding-left: 1.35em; }
.content-block li + li { margin-top: 10px; }

.page-store-row {
  margin-top: 34px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.content-figure {
  margin: 54px 0 0;
  padding: 50px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #edf4f7, #e4eef2);
  border-radius: 40px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.7);
}

.content-figure img {
  width: min(360px, 80%);
  max-height: 620px;
  object-fit: cover;
  object-position: top;
  border-radius: 30px;
  box-shadow: 0 26px 60px rgba(44, 61, 73, 0.15);
}

.content-figure figcaption {
  margin-top: 20px;
  color: var(--text-secondary);
  font-size: 14px;
}

.answer-list { margin-top: 30px; }
.answer-list details:first-child { border-top: 1px solid var(--border); }

.legal-page .content-block { max-width: 850px; }

.content-block .updated {
  color: var(--action);
  font-size: 14px;
  font-weight: 700;
}

.check-list {
  padding: 0 !important;
  list-style: none;
  border-top: 1px solid var(--border);
}

.check-list li {
  padding: 20px 0 20px 34px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--action);
  font-weight: 800;
}

.related-links,
.official-links {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 12px 24px;
  flex-wrap: wrap;
}

.related-links .text-link,
.official-links .text-link { margin-top: 0; }

.note-block {
  margin-top: 36px;
  padding: 24px 26px;
  border-left: 3px solid var(--action);
  background: var(--bg-secondary);
}

.note-block p { margin-top: 0; }

.guide-intro .section-inner { max-width: 980px; }

.guide-directory {
  padding-top: clamp(52px, 7vw, 88px);
  padding-bottom: clamp(72px, 9vw, 118px);
}

.guide-directory > a {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 32px;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  padding: clamp(28px, 4vw, 42px) 0;
  border-top: 1px solid var(--border);
  transition: color 180ms ease, transform 180ms ease;
}

.guide-directory > a:last-child { border-bottom: 1px solid var(--border); }
.guide-directory > a:hover { color: var(--action); transform: translateX(4px); }

.guide-number {
  color: var(--action);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: 0.09em;
}

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

.guide-copy strong {
  display: block;
  color: var(--text-strong);
  font-size: clamp(25px, 3vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.guide-copy small {
  display: block;
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.65;
}

.guide-arrow {
  color: var(--action);
  font-size: 25px;
  transition: transform 180ms ease;
}

.guide-directory > a:hover .guide-arrow { transform: translateX(5px); }

.content-download {
  width: min(calc(100% - 2 * var(--page-gutter)), 1180px);
  margin: 0 auto clamp(76px, 10vw, 132px);
  padding: clamp(34px, 5vw, 58px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px 56px;
  border-radius: 36px;
  background: linear-gradient(135deg, #e9f1f4, #dce9ef);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72), 0 24px 64px rgba(46, 65, 78, 0.08);
}

.content-download > div:first-child { max-width: 660px; }
.content-download .section-kicker { margin-bottom: 10px; }

.content-download h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.content-download p:not(.section-kicker) {
  margin: 16px 0 0;
  color: var(--text-secondary);
  font-size: 17px;
}

.content-download .store-badges {
  flex: 0 0 auto;
  margin-top: 0;
}

.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.error-page main {
  max-width: 620px;
  padding: 40px 20px;
  text-align: center;
}

.error-page h1 {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(38px, 8vw, 64px);
}

.error-page p { color: var(--text-secondary); }

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 420ms ease, transform 420ms ease;
}

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

@keyframes phone-arrive {
  from { opacity: 0; transform: rotate(var(--phone-rotate)) translateY(18px) scale(0.985); }
  to { opacity: 1; transform: rotate(var(--phone-rotate)) translateY(0) scale(1); }
}

@keyframes copy-arrive {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(330px, 0.72fr);
    gap: 34px;
  }

  .hero h1 { font-size: clamp(46px, 6vw, 62px); }
  .hero-definition { font-size: 18px; }
  .phone-shell { width: min(340px, 39vw); }
  .time-chip { display: none; }
  .total-note { right: 0; }
  .proof-row { gap: 46px; }
}

@media (max-width: 760px) {
  :root { --header-height: 58px; --page-gutter: 20px; }

  body { font-size: 16px; }

  .hero-definition {
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .brand { font-size: 21px; }
  .brand img { width: 34px; height: 34px; }

  .js .nav-toggle { display: block; }

  .nav-toggle[aria-expanded="true"] > span:not(.sr-only):nth-of-type(2) { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] > span:not(.sr-only):nth-of-type(3) { transform: translateY(-4px) rotate(-45deg); }

  .js .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    padding: 20px var(--page-gutter) 26px;
    display: none;
    align-items: stretch;
    gap: 6px;
    flex-direction: column;
    background: rgba(245, 248, 250, 0.98);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-small);
  }

  .js .site-nav[data-open] { display: flex; }
  .site-nav a { padding: 10px 4px; }
  .language-link { align-self: flex-start; margin-top: 5px; }

  html:not(.js) .site-header {
    height: auto;
    min-height: var(--header-height);
    padding-block: 10px;
    flex-wrap: wrap;
    gap: 8px 18px;
  }

  html:not(.js) .site-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 4px 18px;
    font-size: 14px;
  }

  .hero {
    min-height: calc(100svh - var(--header-height));
    padding-top: clamp(34px, 6vh, 54px);
    padding-bottom: 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(190px, 1fr);
    align-items: start;
    gap: 24px;
  }

  .hero::before {
    width: 92vw;
    right: -34vw;
    top: 46%;
  }

  .eyebrow { margin-bottom: 12px; font-size: 13px; }

  .hero h1 {
    max-width: 560px;
    font-size: clamp(38px, 11vw, 52px);
    line-height: 1.07;
  }

  .hero-definition {
    margin-top: 18px;
    max-width: 580px;
    font-size: 15px;
    line-height: 1.62;
  }

  .store-badges { margin-top: 20px; flex-wrap: nowrap; gap: 7px; }
  .store-badge img { height: 42px; }
  .store-badge.google img { height: 49px; margin-inline: -7px; }
  .availability { margin-top: 8px; font-size: 12px; }

  .hero-visual {
    min-height: 250px;
    align-items: start;
    overflow: hidden;
  }

  .phone-shell {
    --phone-rotate: 1.8deg;
    width: 220px;
    border-radius: 25px;
    padding: 0;
    transform: rotate(var(--phone-rotate));
  }

  .phone-screen { border-radius: 25px; }
  .total-note,
  .time-chip { display: none; }

  .section { padding-block: 92px; }

  .flow-list { margin-top: 46px; }
  .flow-list li { grid-template-columns: 42px 1fr; gap: 10px 16px; padding: 24px 0; }
  .flow-list span { grid-column: 2; }

  .proof-row,
  .proof-row:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-block: 68px;
  }

  .proof-row:nth-child(even) .proof-media { order: 0; }
  .proof-media { min-height: 500px; }
  .proof-media::before { width: min(92%, 430px); }
  .proof-phone { max-height: 460px; border-radius: 26px; }
  .proof-copy p { font-size: 17px; }

  .audience-list { margin-top: 42px; }
  .audience-list li { grid-template-columns: 34px 1fr; gap: 12px; padding: 22px 0; }

  .footer-main,
  .footer-meta { flex-direction: column; }
  .footer-links { margin-top: 12px; grid-template-columns: 1fr 1fr; }
  .footer-meta { margin-top: 38px; }

  .page-intro { padding-top: 76px; }
  .content-block { width: calc(100% - 40px); }
  .content-figure { padding: 28px 18px 0; border-radius: 28px; overflow: hidden; }
  .content-figure img { width: min(310px, 84%); max-height: 520px; border-radius: 26px; }

  .guide-directory > a { grid-template-columns: 36px minmax(0, 1fr) 24px; }
  .guide-copy small { font-size: 15px; }

  .content-download {
    width: calc(100% - 40px);
    padding: 30px 24px 34px;
    flex-direction: column;
    align-items: flex-start;
    border-radius: 28px;
  }

  .content-download .store-badges { width: 100%; }
}

@media (max-width: 370px) {
  .store-badge img { height: 40px; }
  .store-badge.google img { height: 47px; }
  .hero-definition { font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}
