@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@500;600;700;800&family=Noto+Sans+KR:wght@400;500;600;700&display=swap');

:root {
  --surface: #f5f6f7;
  --surface-muted: #eceef1;
  --surface-strong: #e7e9ed;
  --paper: #ffffff;
  --ink: #1f242b;
  --ink-soft: #3a424b;
  --copy: #5c646d;
  --copy-soft: #7c838b;
  --line: rgba(24, 32, 44, 0.1);
  --water: #2e82c6;
  --water-dark: #1f6ba8;
  --water-pale: #e7f0f9;
  --radius: 1.125rem;
  --shadow: 0 1.5rem 3.5rem -2.5rem rgba(43, 55, 74, 0.45);
  color: var(--ink);
  background: var(--surface);
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 20rem;
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font: 400 1rem/1.7 'Noto Sans KR', 'Apple SD Gothic Neo', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button, a { -webkit-tap-highlight-color: transparent; }

button { font: inherit; }

:focus-visible {
  outline: 0.1875rem solid var(--water);
  outline-offset: 0.1875rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  transform: translateY(-160%);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--ink);
  color: var(--paper);
}

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

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgba(24, 32, 44, 0.07);
  background: rgba(245, 246, 247, 0.9);
  backdrop-filter: blur(1rem);
}

.header-inner,
.site-footer__inner,
.section-shell {
  width: min(100% - 2.5rem, 70rem);
  margin-inline: auto;
}

.header-inner {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  gap: 1.5rem;
  justify-content: space-between;
}

.brand-wordmark {
  flex: 0 0 auto;
  font: 700 1.1875rem/1 'Hanken Grotesk', sans-serif;
  letter-spacing: -0.025em;
}

.site-nav { display: flex; align-items: center; gap: 1.5rem; }

.site-nav__links { display: flex; align-items: center; gap: 1.25rem; }

.site-nav__links a {
  position: relative;
  padding-block: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.875rem;
  font-weight: 600;
}

.site-nav__links a[aria-current='page']::after {
  position: absolute;
  right: 0;
  bottom: -0.1rem;
  left: 0;
  height: 0.125rem;
  border-radius: 1rem;
  background: var(--water);
  content: '';
}

.language-switch {
  display: inline-flex;
  padding: 0.1875rem;
  border-radius: 99rem;
  background: #e0e3e7;
}

.language-switch a {
  min-width: 2.375rem;
  border-radius: 99rem;
  padding: 0.25rem 0.55rem;
  color: var(--copy-soft);
  font: 700 0.6875rem/1.2 'Hanken Grotesk', sans-serif;
  text-align: center;
}

.language-switch a[aria-current='true'] {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 0.0625rem 0.1875rem rgba(24, 32, 44, 0.14);
}

.menu-button {
  display: none;
  border: 0;
  padding: 0.5rem;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.menu-button__line {
  display: block;
  width: 1.35rem;
  height: 0.125rem;
  margin-block: 0.25rem;
  border-radius: 99rem;
  background: currentColor;
}

.site-main { overflow: clip; }

.page-intro {
  padding-block: clamp(4.5rem, 10vw, 8rem);
  text-align: center;
}

.eyebrow {
  display: block;
  margin-bottom: 1rem;
  color: var(--water);
  font: 700 0.75rem/1.2 'Hanken Grotesk', sans-serif;
  letter-spacing: 0.16em;
}

.page-intro h1 {
  margin: 0;
  font: 700 clamp(2.25rem, 5vw, 4rem)/1.08 'Hanken Grotesk', 'Noto Sans KR', sans-serif;
  letter-spacing: -0.04em;
}

.page-intro p { max-width: 35rem; margin: 1rem auto 0; color: var(--copy); }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface-strong);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.7fr repeat(3, 1fr);
  gap: 2rem;
  padding-block: 3.5rem 2rem;
}

.site-footer__description { max-width: 18rem; margin: 0.75rem 0 0; color: var(--copy-soft); font-size: 0.875rem; }

.footer-heading { margin: 0 0 0.75rem; color: var(--copy-soft); font: 700 0.6875rem/1.2 'Hanken Grotesk', sans-serif; letter-spacing: 0.14em; }

.footer-links { display: grid; gap: 0.5rem; }

.footer-links--centered { margin-top: 1.5rem; justify-content: center; }

.footer-links a { width: fit-content; color: var(--ink-soft); font-size: 0.875rem; }

.footer-links a:hover, .site-nav__links a:hover { color: var(--water); }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-block: 1.25rem 2rem;
  color: var(--copy-soft);
  font: 500 0.75rem/1.5 'Hanken Grotesk', 'Noto Sans KR', sans-serif;
}

.button {
  display: inline-flex;
  min-height: 2.875rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  padding: 0.7rem 1.1rem;
  font-weight: 700;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover { transform: translateY(-0.125rem); }

.button--primary { background: var(--water); color: var(--paper); }

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

.button--outline { border-color: rgba(24, 32, 44, 0.17); background: rgba(255, 255, 255, 0.65); }

.button.is-disabled { cursor: not-allowed; opacity: 0.55; transform: none; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
  min-height: min(44rem, calc(100svh - 4.5rem));
  padding-block: clamp(4rem, 9vw, 7.5rem);
}

.hero__copy { max-width: 35rem; }

.hero__copy h1,
.brand-hero h1,
.contact-hero h1 {
  margin: 0;
  font: 700 clamp(2.65rem, 6.4vw, 4.55rem)/1.02 'Hanken Grotesk', 'Noto Sans KR', sans-serif;
  letter-spacing: -0.045em;
}

.hero__subtitle { margin: 1.25rem 0 0; color: var(--ink-soft); font-size: 1.25rem; font-weight: 600; }

.hero__description,
.brand-hero__description,
.contact-hero__description { max-width: 33rem; margin: 1rem 0 0; color: var(--copy); }

.button-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

.hero__art { display: grid; place-items: center; }

.hero__art img { grid-area: 1 / 1; width: min(28rem, 72vw); filter: drop-shadow(0 1.75rem 2.6rem rgba(68, 89, 116, 0.26)); }

.section { padding-block: clamp(4rem, 8vw, 6.5rem); }

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

.section-heading { max-width: 42rem; margin-bottom: 2rem; }

.section-heading h2 { margin: 0.6rem 0 0; font: 700 clamp(1.9rem, 3.7vw, 2.8rem)/1.2 'Hanken Grotesk', 'Noto Sans KR', sans-serif; letter-spacing: -0.035em; }

.section-heading p { margin: 0.85rem 0 0; color: var(--copy); }

.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.125rem; }

.contact-card,
.business-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  background: var(--paper);
}

.contact-card h2, .business-card h2 { margin: 0; font: 700 clamp(1.45rem, 2.2vw, 1.8rem)/1.25 'Hanken Grotesk', 'Noto Sans KR', sans-serif; letter-spacing: -0.025em; }

.contact-card p, .business-card p { margin: 0.65rem 0 0; color: var(--copy); font-size: 0.9375rem; }

.brand-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr); gap: clamp(2rem, 7vw, 6rem); align-items: center; padding-block: clamp(4.5rem, 9vw, 7.5rem); }

.brand-hero__art { display: grid; place-items: center; }

.brand-hero__art img { width: min(25rem, 72vw); filter: drop-shadow(0 1.5rem 2.2rem rgba(68, 89, 116, 0.22)); }

.brand-approach__inner { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(2rem, 7vw, 6rem); align-items: start; }

.brand-approach__heading { margin-bottom: 0; }

.brand-approach__body > p { max-width: 39rem; margin: 0; color: var(--copy); font-size: clamp(1.05rem, 1.8vw, 1.2rem); line-height: 1.8; }

.brand-principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0 0; padding: 0; list-style: none; }

.brand-principles li { border-top: 1px solid var(--water); padding-top: 0.75rem; color: var(--ink-soft); font-size: 0.9375rem; font-weight: 700; }

.contact-hero { padding-block: clamp(4.5rem, 9vw, 7rem) 2.75rem; }

.contact-card__label { display: block; margin-bottom: 0.75rem; color: var(--copy-soft); font: 700 0.75rem/1 'Hanken Grotesk', sans-serif; letter-spacing: 0.14em; }

.contact-email { color: var(--water); font: 700 clamp(1.3rem, 3vw, 1.85rem)/1.25 'Hanken Grotesk', 'Noto Sans KR', sans-serif; letter-spacing: -0.025em; overflow-wrap: anywhere; }

.business-card { margin-top: 1.125rem; background: var(--surface-muted); }

.business-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 2.5rem; margin: 1.5rem 0 0; }

.business-list div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); padding: 0.85rem 0; }

.business-list dt { color: var(--copy-soft); font-size: 0.875rem; }

.business-list dd { margin: 0; color: var(--ink-soft); font-size: 0.875rem; font-weight: 600; text-align: right; }

.business-notice { margin-top: 1rem !important; color: var(--copy-soft) !important; font-size: 0.8125rem !important; }

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.9fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
  padding-block: clamp(4.5rem, 9vw, 7.5rem) clamp(3rem, 7vw, 5rem);
}

.product-hero h1 { margin: 0; font: 700 clamp(2.25rem, 5.4vw, 3.65rem)/1.16 'Hanken Grotesk', 'Noto Sans KR', sans-serif; letter-spacing: -0.045em; }

.product-hero__description { max-width: 34rem; margin: 1.25rem 0 0; color: var(--copy); }

.download-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }

.download-stack { display: grid; gap: 0.35rem; }

.download-status { min-height: 1.2em; color: var(--copy-soft); font-size: 0.75rem; }

.phone-frame {
  position: relative;
  width: min(23rem, 74vw);
  margin-inline: auto;
  border: 0.8rem solid #25282d;
  border-radius: 3.25rem;
  padding: 0.3rem;
  background: linear-gradient(145deg, #464a52, #191b1e 48%, #3b3e45);
  box-shadow: 0 2.2rem 4.5rem -2.2rem rgba(30, 40, 60, 0.62), inset 0 0 0 0.08rem rgba(255, 255, 255, 0.22);
}

.phone-frame::before { position: absolute; z-index: 1; top: 0.5rem; left: 50%; width: 6.7rem; height: 1.8rem; border-radius: 99rem; background: #050506; content: ''; transform: translateX(-50%); }

.phone-frame img { overflow: hidden; border-radius: 2.45rem; }

.product-section { padding-block: clamp(4rem, 8vw, 6.5rem); }

.problem-grid, .steps-grid, .feature-grid, .audience-grid, .pricing-grid { display: grid; gap: 1.125rem; }

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

.problem-card, .audience-card, .feature-card { border: 1px solid var(--line); border-radius: 0.875rem; padding: 1.4rem; background: var(--paper); color: var(--copy); font-size: 0.9375rem; }

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

.step-card { border-top: 0.125rem solid var(--water); padding: 1.25rem 0.25rem 0; }

.step-number { display: block; margin-bottom: 0.8rem; color: var(--water); font: 700 0.75rem/1 'Hanken Grotesk', sans-serif; letter-spacing: 0.14em; }

.step-card h3, .feature-card h3, .audience-card h3 { margin: 0; font-size: 1.1rem; line-height: 1.35; }

.step-card p, .feature-card p, .audience-card p { margin: 0.65rem 0 0; color: var(--copy-soft); font-size: 0.9rem; }

.product-section--dark { background: var(--ink); color: var(--paper); }

.product-section--dark .section-heading h2 { color: inherit; }

.product-section--dark .section-heading p { color: #b7bec7; }

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

.feature-card { background: rgba(255, 255, 255, 0.045); border-color: rgba(255, 255, 255, 0.13); color: var(--paper); }

.feature-card p { color: #b7bec7; }

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

.pricing-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }

.pricing-card { position: relative; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 1rem; padding: 1.75rem; background: var(--paper); }

.pricing-card--featured { border: 0.1rem solid var(--water); box-shadow: var(--shadow); }

.pricing-card__badge { position: absolute; top: -0.75rem; left: 1.5rem; border-radius: 99rem; padding: 0.3rem 0.7rem; background: var(--water); color: var(--paper); font: 700 0.625rem/1 'Hanken Grotesk', sans-serif; letter-spacing: 0.08em; }

.pricing-card h3 { margin: 0; font-size: 1.05rem; }

.pricing-price { margin: 0.75rem 0 0; font: 700 1.8rem/1.15 'Hanken Grotesk', 'Noto Sans KR', sans-serif; letter-spacing: -0.035em; }

.pricing-price span { color: var(--copy-soft); font: 500 0.8125rem/1 'Noto Sans KR', sans-serif; }

.pricing-card > p { min-height: 3.4rem; margin: 0.65rem 0 1.3rem; color: var(--copy-soft); font-size: 0.875rem; }

.pricing-list { display: grid; gap: 0.55rem; margin: 0; padding: 0; list-style: none; color: var(--copy); font-size: 0.875rem; }

.pricing-list li::before { margin-right: 0.4rem; color: var(--water); content: '·'; }

.pricing-note { margin: 1.5rem 0 0; color: var(--copy-soft); font-size: 0.8125rem; }

.faq { max-width: 51rem; margin-inline: auto; }

.faq details { border-top: 1px solid var(--line); padding: 1.1rem 0; }

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

.faq summary { cursor: pointer; font-weight: 700; }

.faq p { margin: 0.75rem 0 0; color: var(--copy); font-size: 0.9375rem; }

.final-cta { border-radius: 1.5rem; padding: clamp(2.25rem, 6vw, 4.25rem) 1.5rem; background: var(--ink); color: var(--paper); text-align: center; }

.final-cta h2 { max-width: 40rem; margin: 0 auto; font: 700 clamp(1.8rem, 3.8vw, 2.6rem)/1.24 'Hanken Grotesk', 'Noto Sans KR', sans-serif; letter-spacing: -0.035em; }

.final-cta p { max-width: 33rem; margin: 1rem auto 0; color: #b7bec7; }

.final-cta .download-row { justify-content: center; }

.nemo-grid-card { border: 1px solid var(--line); border-radius: 1.25rem; padding: clamp(1.4rem, 4vw, 2rem); background: var(--paper); box-shadow: var(--shadow); }

.nemo-grid-card__top { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; color: var(--copy-soft); font-size: 0.8125rem; font-weight: 700; }

.nemo-grid-card__top strong { color: var(--water); }

.life-grid {
  display: grid;
  grid-template-columns: repeat(40, minmax(0, 1fr));
  gap: 0.125rem;
  border-radius: 0.3rem;
  padding: 0.125rem;
  background: var(--paper);
}

.life-grid__tile { min-width: 0; aspect-ratio: 1; border-radius: 0.0625rem; background: #e3e6ea; }

.life-grid__tile.is-past { background: var(--ink); }

.life-grid__legend { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1rem 0 0; color: var(--copy-soft); font-size: 0.75rem; }

.life-grid__legend span { display: inline-flex; align-items: center; gap: 0.45rem; }

.life-grid__legend i { width: 0.65rem; height: 0.65rem; border-radius: 0.125rem; background: var(--ink); }

.life-grid__legend i.is-remaining { background: #e3e6ea; }

.statement { text-align: center; }

.nemo-how-heading { max-width: none; }

.statement h2 { max-width: 40rem; margin: 0 auto; font: 700 clamp(1.8rem, 3.8vw, 2.55rem)/1.25 'Hanken Grotesk', 'Noto Sans KR', sans-serif; letter-spacing: -0.035em; }

.statement p { max-width: 42rem; margin: 1rem auto 0; color: var(--copy); }

.time-tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }

.time-tag { border-radius: 0.5rem; padding: 0.35rem 0.7rem; background: var(--water-pale); color: var(--water); font-size: 0.8125rem; font-weight: 700; }

@media (min-width: 48.0625rem) {
  .nemo-how-heading h2 { white-space: nowrap; }
}

@media (max-width: 48rem) {
  .header-inner { min-height: 4rem; }
  .menu-button { display: block; order: 2; }
  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.25rem;
    background: var(--surface);
  }
  .site-header.is-menu-open .site-nav { display: flex; }
  .site-nav__links { display: grid; gap: 0.2rem; }
  .site-nav__links a { padding: 0.7rem 0; }
  .language-switch { align-self: flex-start; }
  .site-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__intro { grid-column: span 2; }
  .hero, .brand-hero, .brand-approach__inner { grid-template-columns: 1fr; }
  .product-hero { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero__art { order: -1; }
  .business-list { grid-template-columns: 1fr; }
  .problem-grid, .steps-grid, .feature-grid, .audience-grid, .pricing-grid { grid-template-columns: 1fr; }
  .phone-frame { order: -1; }
}

@media (max-width: 32rem) {
  .header-inner, .site-footer__inner, .section-shell { width: min(100% - 2rem, 70rem); }
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__intro { grid-column: auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .brand-principles { grid-template-columns: 1fr; gap: 0.85rem; }
}