:root {
  --page-start: #f8faf8;
  --page-end: #eef3ef;
  --ink: #27352d;
  --soft: #647268;
  --accent: #409b70;
  --accent-soft: rgba(64, 155, 112, 0.13);
  --surface: #fff;
  --card: rgba(255, 255, 255, 0.82);
  --line: rgba(39, 53, 45, 0.13);
  --shadow: rgba(39, 53, 45, 0.12);
  --panel: #26372e;
  --panel-ink: #f6fbf7;
  --panel-soft: #bdd0c4;
  --blob-a: rgba(122, 205, 160, 0.3);
  --blob-b: rgba(255, 204, 193, 0.3);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--page-end);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
    "Noto Sans KR", "Noto Sans JP", Roboto, sans-serif;
  line-height: 1.7;
}

a { color: var(--ink); }

.document-page {
  padding: 56px 20px 80px;
  background:
    radial-gradient(circle at 12% 5%, var(--accent-soft), transparent 30%),
    linear-gradient(180deg, var(--page-start), var(--page-end));
  background-attachment: fixed;
}

.doc-card,
.locale-card {
  position: relative;
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 34px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 20px 60px var(--shadow);
  backdrop-filter: blur(14px);
}

.doc-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.crumb { margin: 0; font-size: 13px; }

.crumb a,
.language-nav a {
  color: var(--soft);
  text-decoration: none;
}

.crumb a:hover,
.language-nav a:hover { color: var(--accent); }

.language-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 5px 10px;
  font-size: 13px;
  white-space: nowrap;
}

.language-nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.doc-title,
.brand-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.app-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 14px;
  box-shadow: 0 7px 22px var(--shadow);
}

h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 850;
  letter-spacing: -0.6px;
  line-height: 1.35;
}

.tag,
.updated {
  margin: 2px 0 26px;
  color: var(--soft);
  font-size: 14px;
}

.updated { margin-top: 5px; font-size: 13px; }

h2 {
  margin: 30px 0 10px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 850;
  letter-spacing: 0.5px;
}

h3 { margin: 20px 0 6px; font-size: 16px; }
p { margin: 0 0 12px; }
ul { margin: 0 0 12px; padding-left: 20px; }
li { margin-bottom: 7px; }
.lead { font-size: 17px; font-weight: 750; }
.question { margin: 17px 0 4px; color: var(--ink); font-weight: 800; }
.answer { margin: 0 0 4px; color: var(--soft); }
.mail { color: var(--ink); font-weight: 750; }

.contact {
  margin: 18px 0 8px;
  padding: 20px 22px;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.contact a {
  color: var(--ink);
  font-size: 19px;
  font-weight: 850;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.contact-note { margin-top: 6px; color: var(--soft); font-size: 13px; }

.doc-footer {
  margin-top: 28px;
  padding-top: 24px;
  color: var(--soft);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

.locale-card { max-width: 560px; text-align: center; }
.locale-card .brand-title { justify-content: center; }
.locale-card .tag { margin-bottom: 24px; }

.locale-options {
  display: grid;
  gap: 10px;
  max-width: 320px;
  margin: 0 auto;
}

.locale-options a {
  display: block;
  padding: 12px 18px;
  font-weight: 750;
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.locale-options a:hover { border-color: var(--accent); }
.redirect-note { margin: 18px 0 0; color: var(--soft); font-size: 12px; }

/* Product landing */

.product-page {
  padding: 0;
  background:
    radial-gradient(circle at 12% 7%, var(--blob-a), transparent 29%),
    radial-gradient(circle at 88% 3%, var(--blob-b), transparent 27%),
    var(--page-start);
  overflow-x: hidden;
}

.product-page > * { position: relative; z-index: 1; }
.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 850;
  text-decoration: none;
}

.brand img { width: 42px; height: 42px; border-radius: 12px; box-shadow: 0 6px 20px var(--shadow); }
.nav-actions { display: flex; align-items: center; gap: 20px; }
.nav-link { color: var(--soft); font-size: 14px; font-weight: 750; text-decoration: none; }
.nav-link:hover { color: var(--accent); }

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  align-items: center;
  gap: clamp(34px, 6vw, 86px);
  min-height: 690px;
  padding: 52px 0 82px;
}

.hero-copy { position: relative; z-index: 2; min-width: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 7px 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 850;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.eyebrow::before {
  width: 7px;
  height: 7px;
  content: "";
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.product-hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(48px, 6.2vw, 74px);
  font-weight: 900;
  letter-spacing: -3.5px;
  line-height: 1.08;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.product-hero h1 em { color: var(--accent); font-style: normal; }
.mobile-break { display: none; }

.hero-description {
  max-width: 590px;
  margin: 26px 0 30px;
  color: var(--soft);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
  text-wrap: balance;
}

.coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 19px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 850;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 10px 28px var(--shadow);
}

.coming-soon::before {
  width: 8px;
  height: 8px;
  content: "";
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.availability { margin: 12px 0 0; color: var(--soft); font-size: 13px; }

.hero-visual { position: relative; min-height: 610px; }

.hero-visual::before {
  position: absolute;
  inset: 70px 0 36px 44px;
  content: "";
  background: linear-gradient(145deg, var(--blob-a), var(--blob-b));
  border-radius: 46% 54% 58% 42% / 46% 44% 56% 54%;
}

.hero-shot {
  position: absolute;
  display: block;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 34px;
  box-shadow: 0 32px 72px var(--shadow);
}

.hero-shot-primary { z-index: 2; top: 0; left: 34px; width: min(310px, 68%); transform: rotate(-2.2deg); }
.hero-shot-secondary { right: 0; bottom: 0; width: min(224px, 50%); transform: rotate(4deg); }

.proof-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  backdrop-filter: blur(12px);
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 22px 0;
  list-style: none;
}

.proof-list li {
  margin: 0;
  color: var(--soft);
  font-size: 14px;
  font-weight: 750;
  text-align: center;
  border-right: 1px solid var(--line);
}

.proof-list li:last-child { border-right: 0; }
.product-section { padding: 112px 0; }

.section-heading { max-width: 740px; margin: 0 auto 54px; text-align: center; }
.section-kicker { margin: 0 0 10px; color: var(--accent); font-size: 13px; font-weight: 850; letter-spacing: 1.2px; }

.section-heading h2,
.trust-panel h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.2;
  text-wrap: balance;
}

.section-heading p:last-child { max-width: 620px; margin: 18px auto 0; color: var(--soft); font-size: 17px; text-wrap: balance; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.feature-card {
  min-height: 280px;
  padding: 32px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 20px 60px var(--shadow);
  backdrop-filter: blur(12px);
}

.feature-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 28px;
  place-items: center;
  color: var(--accent);
  font-size: 22px;
  font-weight: 850;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 15px;
}

.feature-card h3 { margin: 0 0 12px; font-size: 22px; letter-spacing: -0.7px; }
.feature-card p { margin: 0; color: var(--soft); font-size: 15px; }

.screens-section {
  background: color-mix(in srgb, var(--accent-soft) 55%, var(--page-start));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.screen-gallery {
  display: grid;
  grid-auto-columns: minmax(230px, 280px);
  grid-auto-flow: column;
  gap: 20px;
  width: min(1400px, calc(100% - 40px));
  margin: 0 auto;
  padding: 12px 0 34px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scrollbar-color: var(--accent-soft) transparent;
}

.screen-gallery::before,
.screen-gallery::after { width: max(0px, calc((100vw - 1160px) / 2 - 20px)); content: ""; }

.screen-gallery img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: 0 22px 50px var(--shadow);
  scroll-snap-align: start;
}

.trust-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding: clamp(38px, 6vw, 70px);
  color: var(--panel-ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 36px;
  box-shadow: 0 24px 70px var(--shadow);
}

.trust-panel h2 { max-width: 720px; color: var(--panel-ink); }
.trust-panel p { max-width: 650px; margin: 16px 0 0; color: var(--panel-soft); }
.trust-panel .coming-soon { box-shadow: none; }

.product-footer { padding: 42px 0 58px; color: var(--soft); font-size: 13px; }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.footer-links a { color: var(--soft); font-weight: 750; text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

@media (max-width: 900px) {
  .product-hero { grid-template-columns: 1fr; padding-top: 64px; text-align: center; }
  .hero-description { margin-inline: auto; }
  .hero-visual { width: min(530px, 100%); margin: 0 auto; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
}

@media (max-width: 680px) {
  .document-page { padding: 20px 12px 40px; }
  .doc-card, .locale-card { padding: 28px 22px; border-radius: 20px; }
  .doc-header { display: block; }
  .doc-header .language-nav { justify-content: flex-start; margin-top: 12px; }
  .shell { width: min(100% - 28px, 1160px); }
  .site-nav { align-items: flex-start; padding: 16px 0; }
  .brand span { display: none; }
  .nav-actions { align-items: flex-end; flex-direction: column-reverse; gap: 8px; }
  .product-hero { min-height: 0; gap: 24px; padding: 60px 0 68px; }
  .product-hero h1 { font-size: clamp(40px, 12vw, 54px); letter-spacing: -2.4px; }
  .mobile-break { display: block; }
  .hero-description { font-size: 17px; }
  .hero-visual { min-height: 500px; }
  .hero-shot-primary { left: 4%; width: min(255px, 68%); }
  .hero-shot-secondary { right: 2%; width: min(180px, 48%); }
  .proof-list { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
  .proof-list li:nth-child(2) { border-right: 0; }
  .product-section { padding: 82px 0; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2 { font-size: 35px; letter-spacing: -1.4px; }
  .feature-card { padding: 26px; border-radius: 24px; }
  .screen-gallery { grid-auto-columns: 230px; width: 100%; padding-inline: 14px; }
  .screen-gallery::before, .screen-gallery::after { display: none; }
  .trust-panel { grid-template-columns: 1fr; gap: 28px; border-radius: 28px; }
  .footer-main { align-items: flex-start; flex-direction: column; }
}