:root {
  --navy: #101827;
  --navy-2: #18243a;
  --ink: #11120f;
  --paper: #f2efe6;
  --paper-2: #e6e0d2;
  --acid: #d8ff42;
  --coral: #ff7548;
  --muted: #676a66;
  --line: rgba(17,18,15,.16);
  --white: #fff;
  --shell: min(1160px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Pretendard, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; word-break: keep-all; }
a { color: inherit; }
button, input { font: inherit; }
[hidden] { display: none !important; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 16px; padding: 12px 18px; background: var(--acid); font-weight: 850; }
.skip-link:focus { top: 16px; }

.site-header { position: absolute; z-index: 20; inset: 0 0 auto; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.14); }
.header-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand strong { font-size: 20px; letter-spacing: -.06em; }
.brand i { width: 1px; height: 20px; background: rgba(255,255,255,.35); }
.brand span { color: var(--acid); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.site-header nav { display: flex; align-items: center; gap: 25px; }
.site-header nav a { color: #dce2ec; font-size: 14px; text-decoration: none; }
.site-header nav .nav-cta { padding: 10px 15px; color: var(--white); border: 1px solid rgba(255,255,255,.3); }

.hero { position: relative; min-height: 770px; overflow: hidden; color: var(--white); background: var(--navy); }
.hero-grid { position: absolute; inset: 0; opacity: .08; background-image: linear-gradient(rgba(255,255,255,.7) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.7) 1px, transparent 1px); background-size: 60px 60px; mask-image: linear-gradient(to bottom, #000, transparent 85%); }
.hero-shape { position: absolute; border-radius: 50%; }
.shape-one { width: 430px; height: 430px; top: -260px; right: -90px; background: var(--acid); }
.shape-two { width: 210px; height: 210px; left: -130px; bottom: -80px; border: 42px solid var(--coral); }
.hero-layout { position: relative; z-index: 2; min-height: 770px; padding: 142px 0 80px; display: grid; grid-template-columns: 1.15fr .65fr; align-items: center; gap: 85px; }
.eyebrow, .kicker { margin: 0 0 20px; color: var(--coral); font-size: 12px; font-weight: 850; letter-spacing: .14em; }
.hero h1 { margin: 0; font-size: clamp(49px, 6vw, 80px); line-height: 1.07; letter-spacing: -.06em; }
.hero h1 em { color: var(--acid); font-style: normal; }
.hero-lede { max-width: 720px; margin: 28px 0 0; color: #c5cedd; font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }
.button { min-height: 56px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; border: 0; text-decoration: none; font-weight: 850; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
.button-acid { color: var(--ink); background: var(--acid); box-shadow: 0 10px 30px rgba(216,255,66,.15); }
.button-dark { color: var(--white); background: var(--navy); }
.button-outline { color: var(--white); background: transparent; border: 1px solid rgba(255,255,255,.4); }
.button-full { width: 100%; }
.text-link { color: var(--white); font-weight: 750; text-underline-offset: 6px; }
.hero-facts { max-width: 650px; margin: 42px 0 0; padding: 0; display: flex; list-style: none; border-top: 1px solid rgba(255,255,255,.17); }
.hero-facts li { flex: 1; padding: 18px 14px 0 0; display: grid; gap: 5px; }
.hero-facts strong { font-size: 19px; }
.hero-facts span { color: #98a5b8; font-size: 12px; }

.score-preview { padding: 28px; color: var(--ink); background: var(--paper); border: 1px solid var(--ink); box-shadow: 16px 18px 0 var(--coral); transform: rotate(1.2deg); }
.preview-head { display: flex; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); font: 800 11px ui-monospace, monospace; letter-spacing: .1em; }
.preview-head b { padding: 4px 6px; background: var(--acid); }
.preview-score { margin-top: 28px; display: flex; align-items: baseline; gap: 5px; }
.preview-score strong { font-size: 92px; line-height: .85; letter-spacing: -.08em; }
.preview-score span { color: var(--muted); }
.score-preview > p { margin: 18px 0 26px; font-size: 22px; font-weight: 850; letter-spacing: -.04em; }
.preview-bars { display: grid; gap: 9px; }
.preview-bars i { width: var(--value); height: 9px; display: block; background: var(--coral); }
.score-preview small { margin-top: 24px; display: block; color: var(--muted); line-height: 1.6; }

.score-section { padding: 115px 0; }
.score-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 85px; align-items: start; }
.score-intro { position: sticky; top: 35px; }
.score-intro h2, .method-section h2, .offer-section h2 { margin: 0; font-size: clamp(38px, 4.8vw, 62px); line-height: 1.14; letter-spacing: -.05em; }
.score-intro > p:not(.kicker) { margin: 26px 0 0; color: var(--muted); line-height: 1.85; }
.privacy-chip { margin-top: 32px; padding: 18px; display: grid; grid-template-columns: 24px 1fr; gap: 12px; color: var(--ink); background: var(--acid); }
.privacy-chip > span { font-weight: 900; }
.privacy-chip p { margin: 0; display: grid; gap: 4px; font-size: 13px; line-height: 1.55; }

.score-form { padding: 36px; background: #fffdf8; border: 1px solid var(--line); box-shadow: 12px 12px 0 var(--paper-2); }
.idea-field { display: grid; grid-template-columns: 1fr auto; gap: 10px; font-weight: 800; }
.idea-field span { color: var(--muted); font-size: 11px; font-weight: 500; }
.idea-field input { grid-column: 1 / -1; width: 100%; height: 52px; padding: 0 14px; border: 1px solid var(--line); background: var(--paper); }
.score-question { margin: 30px 0 0; padding: 28px 0 0; border: 0; border-top: 1px solid var(--line); }
.score-question legend { width: 100%; padding: 0; display: grid; grid-template-columns: 40px 1fr 48px; align-items: center; gap: 14px; }
.score-question legend > b { width: 40px; height: 40px; display: grid; place-items: center; background: var(--coral); color: var(--white); }
.score-question legend > span { display: grid; gap: 5px; color: var(--muted); font-size: 13px; line-height: 1.45; }
.score-question legend strong { color: var(--ink); font-size: 17px; }
.score-question output { justify-self: end; font-size: 30px; font-weight: 900; }
.score-question input[type="range"] { width: 100%; height: 8px; margin: 26px 0 12px; appearance: none; border-radius: 0; background: linear-gradient(to right, var(--coral) 0 var(--range, 50%), var(--paper-2) var(--range, 50%) 100%); cursor: pointer; }
.score-question input[type="range"]::-webkit-slider-thumb { width: 26px; height: 26px; appearance: none; border: 4px solid var(--white); border-radius: 50%; background: var(--navy); box-shadow: 0 0 0 1px var(--navy); }
.score-question input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border: 4px solid var(--white); border-radius: 50%; background: var(--navy); box-shadow: 0 0 0 1px var(--navy); }
.scale { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 11px; }
.score-form > .button { margin-top: 34px; }
.form-note { margin: 15px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; text-align: center; }

.result-section { padding: 105px 0; color: var(--white); background: var(--navy); }
.result-top { display: grid; grid-template-columns: 240px 1fr; gap: 55px; align-items: center; }
.result-score { width: 220px; height: 220px; display: flex; align-items: center; justify-content: center; border: 22px solid var(--acid); border-radius: 50%; }
.result-score strong { font-size: 84px; letter-spacing: -.08em; }
.result-score span { align-self: flex-end; margin: 0 0 52px 8px; color: #9ea9ba; }
.result-summary h2 { margin: 0; color: var(--acid); font-size: clamp(42px, 6vw, 76px); letter-spacing: -.055em; }
.result-summary > p:last-child { max-width: 760px; color: #c3cbd8; font-size: 18px; line-height: 1.8; }
.result-grid { margin-top: 70px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 18px; }
.result-grid article { padding: 34px; min-height: 275px; }
.result-grid article > span { color: var(--coral); font-size: 11px; font-weight: 850; letter-spacing: .1em; }
.bottleneck-card { color: var(--ink); background: var(--paper); }
.bottleneck-card h3 { margin: 70px 0 14px; font-size: 31px; letter-spacing: -.04em; }
.bottleneck-card p { margin: 0; color: var(--muted); line-height: 1.7; }
.action-card { border: 1px solid rgba(255,255,255,.2); }
.action-card ol { margin: 38px 0 0; padding-left: 24px; display: grid; gap: 18px; color: #d9dee7; line-height: 1.65; }
.breakdown { margin-top: 18px; display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid rgba(255,255,255,.2); }
.breakdown div { padding: 20px; display: grid; gap: 7px; border-right: 1px solid rgba(255,255,255,.2); }
.breakdown div:last-child { border-right: 0; }
.breakdown span { color: #99a5b8; font-size: 12px; }
.breakdown strong { font-size: 22px; }
.result-actions { margin-top: 34px; display: flex; gap: 14px; }
.copy-status { min-height: 20px; color: var(--acid); font-size: 12px; }
.social-share { margin-top: 28px; padding: 20px; display: grid; grid-template-columns: 1fr repeat(4, auto); align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.2); }
.social-share > div { display: grid; gap: 5px; }
.social-share span { color: #99a5b8; font-size: 11px; }
.social-share strong { font-size: 15px; }
.social-share > a { min-width: 82px; padding: 10px 12px; color: var(--white); border: 1px solid rgba(255,255,255,.28); text-align: center; text-decoration: none; font-size: 12px; font-weight: 800; }
.social-share > a:hover { color: var(--ink); background: var(--acid); border-color: var(--acid); }

.method-section { padding: 115px 0; background: var(--paper-2); }
.method-section h2 { max-width: 820px; }
.method-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.method-grid article { min-height: 285px; padding: 26px; border-right: 1px solid var(--line); }
.method-grid article:last-child { border-right: 0; }
.method-grid b { display: grid; place-items: center; width: 42px; height: 42px; color: var(--white); background: var(--coral); }
.method-grid h3 { margin: 60px 0 13px; font-size: 24px; }
.method-grid p { margin: 0; color: var(--muted); line-height: 1.7; }

.offer-section { padding: 105px 0; color: var(--white); background: var(--coral); }
.offer-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 90px; align-items: center; }
.offer-section .light { color: var(--navy); }
.offer-layout > div:first-child > p:last-child { max-width: 690px; color: #38241d; line-height: 1.8; }
.offer-card { padding: 30px; display: grid; gap: 18px; color: var(--white); background: var(--navy); }
.offer-card > span { color: #9ea9ba; font-size: 12px; }
.offer-card > strong { color: var(--acid); font-size: 42px; }
.offer-card > a:last-child { font-size: 13px; text-align: center; text-underline-offset: 5px; }

footer { padding: 48px 0; color: #9da7b7; background: #0b111c; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: end; }
.footer-inner > div:first-child { display: grid; gap: 7px; }
.footer-inner strong { color: var(--white); }
.footer-inner span, .footer-inner small { font-size: 12px; }
.footer-inner > div:nth-child(2) { display: flex; gap: 20px; font-size: 12px; }
.footer-inner small { grid-column: 1 / -1; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }

@media (max-width: 920px) {
  .site-header nav > a:not(.nav-cta) { display: none; }
  .hero-layout { grid-template-columns: 1fr; gap: 60px; }
  .score-preview { max-width: 480px; justify-self: center; }
  .score-layout, .offer-layout { grid-template-columns: 1fr; gap: 55px; }
  .score-intro { position: static; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .method-grid article:nth-child(2) { border-right: 0; }
  .method-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 640px) {
  :root { --shell: min(100% - 28px, 1160px); }
  .header-inner { height: 66px; }
  .site-header nav .nav-cta { padding: 9px 11px; font-size: 12px; }
  .hero { min-height: auto; }
  .hero-layout { min-height: auto; padding: 108px 0 66px; gap: 45px; }
  .hero h1 { font-size: 43px; }
  .hero-lede { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .text-link { text-align: center; }
  .hero-facts span { font-size: 10px; }
  .score-preview { width: calc(100% - 8px); padding: 24px; box-shadow: 9px 10px 0 var(--coral); }
  .preview-score strong { font-size: 78px; }
  .score-section, .result-section, .method-section, .offer-section { padding: 75px 0; }
  .score-intro h2, .method-section h2, .offer-section h2 { font-size: 37px; }
  .score-form { padding: 25px 18px; box-shadow: 7px 7px 0 var(--paper-2); }
  .score-question legend { grid-template-columns: 36px 1fr 36px; gap: 10px; }
  .score-question legend > b { width: 36px; height: 36px; }
  .scale { font-size: 9px; }
  .result-top { grid-template-columns: 1fr; gap: 32px; }
  .result-score { width: 170px; height: 170px; border-width: 17px; }
  .result-score strong { font-size: 66px; }
  .result-score span { margin-bottom: 39px; }
  .result-summary h2 { font-size: 45px; }
  .result-grid { grid-template-columns: 1fr; margin-top: 45px; }
  .breakdown { grid-template-columns: 1fr 1fr; }
  .breakdown div:nth-child(2) { border-right: 0; }
  .breakdown div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.2); }
  .result-actions { align-items: stretch; flex-direction: column; }
  .social-share { grid-template-columns: 1fr 1fr; }
  .social-share > div { grid-column: 1 / -1; margin-bottom: 6px; }
  .social-share > a { min-width: 0; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid article { min-height: 230px; border-right: 0; border-bottom: 1px solid var(--line); }
  .method-grid article:last-child { border-bottom: 0; }
  .method-grid h3 { margin-top: 38px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner > div:nth-child(2) { flex-wrap: wrap; }
}

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