:root {
  --ink: #111916;
  --soft-ink: #34413d;
  --muted: #6d7773;
  --line: #dce5df;
  --paper: #f4f7f3;
  --paper-2: #ebf0eb;
  --white: #ffffff;
  --accent: #0b6b55;
  --accent-2: #d8eee6;
  --accent-3: #f0b94d;
  --shadow: 0 18px 55px rgba(17, 25, 22, 0.12);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Pretendard",
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    system-ui,
    -apple-system,
    sans-serif;
  letter-spacing: 0;
}

button,
a {
  font: inherit;
}

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

button {
  border: 0;
  cursor: pointer;
}

h1,
h2,
h3,
p {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 72px;
  padding: 0 clamp(18px, 5vw, 72px);
  background: rgba(244, 247, 243, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 850;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--white);
  background: var(--accent);
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-cta,
.primary-cta,
.modal-cta {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  color: var(--white);
  background: var(--accent);
  border-radius: 999px;
  font-weight: 850;
  white-space: nowrap;
  box-shadow: 0 14px 28px rgba(11, 107, 85, 0.18);
  transition:
    transform 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.nav-cta {
  min-height: 40px;
  padding-inline: 19px;
}

.primary-cta:hover,
.nav-cta:hover,
.modal-cta:hover {
  background: #085641;
  box-shadow: 0 18px 36px rgba(11, 107, 85, 0.24);
}

.primary-cta:active,
.nav-cta:active,
.modal-cta:active {
  transform: translateY(1px) scale(0.99);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 0.76fr);
  gap: clamp(34px, 6vw, 78px);
  align-items: center;
  min-height: calc(100dvh - 72px);
  padding: clamp(42px, 7vw, 76px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.62) 0 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(180deg, #f7faf6, #edf3ed);
}

.hero-copy {
  max-width: 780px;
}

.kicker,
.section-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin: 0 0 18px;
  padding: 0 10px;
  color: var(--accent);
  background: var(--accent-2);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3rem, 6.15vw, 5.9rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-text {
  max-width: 610px;
  margin: 24px 0 0;
  color: var(--soft-ink);
  font-size: clamp(1.04rem, 1.8vw, 1.28rem);
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.secondary-link {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  padding: 0 8px;
  color: var(--accent);
  font-weight: 850;
}

.secondary-link:hover {
  color: #073c31;
}

.research-sheet {
  position: relative;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.research-sheet::before {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: -1;
  background: #cddbd3;
  border-radius: var(--radius);
  transform: rotate(-2.4deg);
}

.sheet-head,
.pick-topline,
.phone-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sheet-head span,
.pick-topline span,
.phone-bar span,
.band-post time {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.sheet-head strong {
  display: block;
  margin-top: 4px;
  font-size: 1.45rem;
}

.sheet-head time {
  color: var(--accent);
  font-weight: 900;
}

.sheet-summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 20px;
  align-items: end;
  margin-top: 28px;
  padding: 22px;
  background: #f5f8f5;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.sheet-summary p,
.sheet-summary span {
  margin: 0;
  color: var(--muted);
  font-weight: 750;
}

.sheet-summary strong {
  grid-row: span 2;
  color: var(--accent);
  font-size: 4.1rem;
  line-height: 0.9;
}

.watch-table {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.watch-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 54px;
  padding: 0 16px;
  background: var(--white);
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

.watch-row:first-child {
  border-top: 0;
}

.watch-row.head {
  color: var(--muted);
  background: #f5f8f5;
  font-size: 0.78rem;
  font-weight: 850;
}

.watch-row em {
  padding: 6px 9px;
  color: var(--accent);
  background: var(--accent-2);
  border-radius: 999px;
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 900;
}

.sheet-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.62;
}

.section {
  padding: clamp(68px, 9vw, 116px) clamp(18px, 5vw, 72px);
  background: var(--paper);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 38px;
}

.section-heading h2,
.method-copy h2,
.preview-copy h2,
.risk-section h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(2.05rem, 4.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-heading p,
.preview-copy p,
.risk-section p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.72;
}

.recommend-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 18px;
}

.pick-card {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.primary-pick {
  grid-row: span 2;
  min-height: 420px;
  background:
    linear-gradient(135deg, rgba(216, 238, 230, 0.75), rgba(255, 255, 255, 0.86)),
    var(--white);
}

.pick-topline strong {
  color: var(--accent);
  font-size: 0.82rem;
}

.pick-card h3 {
  margin: 34px 0 14px;
  font-size: clamp(1.55rem, 3vw, 2.65rem);
  line-height: 1.12;
}

.pick-card p {
  margin: 0;
  color: var(--soft-ink);
  line-height: 1.7;
}

.pick-card dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 42px 0 0;
}

.pick-card dl div {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.pick-card dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.pick-card dd {
  margin: 8px 0 0;
  color: var(--ink);
  font-weight: 850;
}

.method-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(360px, 1fr);
  gap: 54px;
  background: var(--paper-2);
}

.method-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.method-list article {
  min-height: 210px;
  padding: 24px;
  background: var(--white);
}

.method-list span {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 900;
}

.method-list h3 {
  margin: 46px 0 10px;
  font-size: 1.45rem;
}

.method-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.preview-section {
  background: var(--paper);
}

.band-preview {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 88px);
  align-items: center;
}

.phone-frame {
  max-width: 410px;
  padding: 16px;
  background: #16221f;
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.phone-bar {
  padding: 14px 16px;
  color: var(--white);
}

.phone-bar strong {
  padding: 6px 9px;
  color: #062d24;
  background: var(--accent-3);
  border-radius: 999px;
  font-size: 0.78rem;
}

.band-post {
  margin-top: 12px;
  padding: 18px;
  background: #f8fbf8;
  border-radius: 22px;
}

.band-post h3 {
  margin: 8px 0 10px;
  font-size: 1.28rem;
}

.band-post p {
  margin: 0;
  color: var(--soft-ink);
  line-height: 1.62;
}

.band-post.compact {
  background: #eaf4ef;
}

.post-lines {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.post-lines span {
  display: block;
  height: 10px;
  background: #d7e3dc;
  border-radius: 999px;
}

.post-lines span:nth-child(2) {
  width: 76%;
}

.post-lines span:nth-child(3) {
  width: 52%;
}

.preview-copy .primary-cta {
  margin-top: 18px;
}

.risk-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1fr);
  gap: 48px;
  align-items: center;
  background: var(--paper-2);
}

.risk-section p {
  margin: 0;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.final-cta {
  display: grid;
  justify-items: center;
  text-align: center;
  padding: clamp(72px, 10vw, 126px) 18px;
  background: var(--paper);
}

.final-cta h2 {
  max-width: 790px;
  margin-bottom: 28px;
}

.site-footer {
  display: grid;
  gap: 10px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: #e7efeb;
  background: #111916;
  font-size: 0.9rem;
  line-height: 1.62;
}

.site-footer p {
  margin: 0;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(17, 25, 22, 0.62);
}

.modal-backdrop.is-open {
  display: flex;
}

.modal {
  position: relative;
  width: min(100%, 540px);
  max-height: min(760px, calc(100dvh - 40px));
  overflow: auto;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 28px 90px rgba(17, 25, 22, 0.3);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--ink);
  background: var(--paper-2);
  border-radius: 999px;
  font-size: 1.35rem;
  line-height: 1;
}

.modal h2 {
  max-width: 440px;
  margin: 0;
  font-size: clamp(1.85rem, 5.4vw, 2.65rem);
  line-height: 1.12;
}

.modal-lead {
  color: var(--soft-ink);
  line-height: 1.7;
}

.modal-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 20px 0;
}

.modal-points span {
  padding: 10px;
  text-align: center;
  color: var(--accent);
  background: var(--accent-2);
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 850;
}

.modal-risk {
  margin: 0 0 20px;
  padding: 14px;
  color: #58645f;
  background: #f5f8f5;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.6;
}

.modal-cta {
  width: 100%;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero,
  .method-section,
  .band-preview,
  .risk-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .research-sheet,
  .phone-frame {
    max-width: 680px;
  }

  .recommend-layout {
    grid-template-columns: 1fr;
  }

  .primary-pick {
    grid-row: auto;
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    height: 66px;
    padding: 0 16px;
  }

  .brand span:last-child {
    display: none;
  }

  .nav-cta {
    min-height: 38px;
  }

  .hero {
    gap: 34px;
    padding: 36px 16px 56px;
  }

  h1 {
    font-size: clamp(2.25rem, 11vw, 3.08rem);
    line-height: 1.04;
  }

  .hero-text {
    margin-top: 18px;
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    margin-top: 26px;
  }

  .primary-cta,
  .secondary-link {
    width: 100%;
    justify-content: center;
  }

  .research-sheet,
  .pick-card,
  .risk-section p {
    padding: 20px;
  }

  .watch-row {
    grid-template-columns: 1fr;
    gap: 7px;
    align-items: start;
    padding: 14px;
  }

  .watch-row.head {
    display: none;
  }

  .sheet-summary strong {
    font-size: 3.4rem;
  }

  .section {
    padding: 58px 16px;
  }

  .pick-card dl,
  .method-list,
  .modal-points {
    grid-template-columns: 1fr;
  }

  .method-list article {
    min-height: 0;
  }

  .method-list h3 {
    margin-top: 28px;
  }

  .phone-frame {
    border-radius: 26px;
  }

  .modal {
    padding: 24px 18px 18px;
  }
}