/* ===========================================================
   쓰리웨이 AI 노출 진단 - 스타일시트
   (주)쓰리웨이 브랜드 톤 — 화이트 베이스 · 네이비/스카이블루 · 오렌지 포인트
   =========================================================== */

:root {
  --bg: #ffffff;
  --bg-soft: #f0f4f8;
  --card: #ffffff;
  --card-border: #e2e8f0;
  --text: #1c2230;
  --text-dim: #667085;
  --accent: #004b9b;        /* 쓰리웨이 메인 네이비 */
  --accent2: #0a6ea6;       /* 스카이블루(가독성 보정) */
  --accent2-bright: #3cadee; /* 장식용 밝은 스카이블루 */
  --accent-grad: linear-gradient(90deg, #004b9b, #3cadee);
  --pass: #15803d;
  --warn: #c2570b;
  --fail: #dc2626;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 2px 8px rgba(15, 23, 42, 0.05);
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Topbar ---------- */
.topbar {
  border-bottom: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--accent-grad);
  display: flex; align-items: center; justify-content: center;
  color: #ffffff; font-weight: 900; font-size: 13px;
}
.brand-text { font-size: 17px; color: var(--text); }
.brand-text em { font-style: normal; color: var(--accent2); }
.topnav { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.topnav a:not(.btn) { color: var(--text-dim); }
.topnav a:not(.btn):hover { color: var(--accent); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 12px 22px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  text-align: center;
}
.btn-primary { background: var(--accent-grad); color: #ffffff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-outline { background: transparent; border: 1px solid var(--card-border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 30px; font-size: 16px; }
.btn-block { display: block; width: 100%; }

/* ---------- Flash messages ---------- */
.flash-wrap { max-width: 1080px; margin: 16px auto 0; padding: 0 24px; }
.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 10px; font-size: 14px; }
.flash-error { background: rgba(220, 38, 38, 0.07); border: 1px solid rgba(220, 38, 38, 0.3); color: #991b1b; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 40px; text-align: center; position: relative; background: var(--bg); }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: rgba(0, 75, 155, 0.07);
  border: 1px solid rgba(0, 75, 155, 0.22);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 20px;
}
.hero h1 { font-size: 40px; line-height: 1.35; margin: 0 0 20px; font-weight: 900; color: var(--text); }
.grad {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: var(--text-dim); font-size: 16px; max-width: 620px; margin: 0 auto 36px; }

.diagnose-form {
  max-width: 560px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: left;
  box-shadow: var(--shadow);
}
.url-field {
  display: flex;
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 4px 4px 4px 14px;
  margin-bottom: 10px;
}
.url-prefix { color: var(--text-dim); font-size: 14px; }
.url-field input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 15px;
  padding: 12px 8px;
}
.field-row { display: flex; gap: 10px; margin-bottom: 8px; }
.field-row input {
  flex: 1;
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--text);
  font-size: 14px;
  outline: none;
}
.field-note { font-size: 12px; color: var(--text-dim); margin: 6px 0 14px; }
.hero-count { color: var(--text-dim); font-size: 13px; margin-top: 22px; }

.stat-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 22px;
  min-width: 120px;
  box-shadow: var(--shadow);
}
.stat-card strong { display: block; font-size: 18px; color: var(--accent); }
.stat-card span { font-size: 12px; color: var(--text-dim); }

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head h2 { font-size: 28px; margin: 8px 0 10px; font-weight: 800; color: var(--text); }
.section-sub { color: var(--text-dim); font-size: 14px; }

.feed-section { background: var(--bg-soft); }
.feed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}
.feed-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 16px;
  display: block;
  box-shadow: var(--shadow);
}
.feed-card:hover { border-color: var(--accent); }
.feed-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 4px; }
.feed-title { font-size: 14px; font-weight: 700; line-height: 1.4; }
.feed-host { font-size: 12px; color: var(--text-dim); margin-bottom: 10px; }
.feed-scores { display: flex; gap: 12px; font-size: 12px; color: var(--text-dim); }
.feed-scores strong { color: var(--text); }
.feed-more { text-align: center; margin-top: 28px; }
.empty-feed { text-align: center; color: var(--text-dim); }

.grade {
  width: 28px; height: 28px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 13px; flex-shrink: 0;
}
.grade-A { background: rgba(21, 128, 61, 0.10); color: var(--pass); }
.grade-B { background: rgba(0, 75, 155, 0.10); color: var(--accent); }
.grade-C { background: rgba(194, 87, 11, 0.10); color: var(--warn); }
.grade-D { background: rgba(220, 38, 38, 0.10); color: var(--fail); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.info-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.info-card h3 { margin: 0 0 6px; font-size: 17px; color: var(--text); }
.info-lead { color: var(--accent); font-size: 13px; margin-bottom: 14px; font-weight: 700; }
.info-card ul { margin: 0 0 14px; padding-left: 18px; color: var(--text-dim); font-size: 14px; }
.info-card li { margin-bottom: 6px; }
.info-foot { font-size: 12px; color: var(--text-dim); border-top: 1px solid var(--card-border); padding-top: 12px; }

.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.why-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.why-card strong { display: block; font-size: 18px; color: var(--accent); margin-bottom: 4px; }
.why-card span { font-size: 13px; color: var(--text-dim); }

.faq-list { max-width: 720px; margin: 0 auto; }
.faq-list details {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
}
.faq-list summary { cursor: pointer; font-weight: 700; font-size: 15px; color: var(--text); }
.faq-list p { color: var(--text-dim); font-size: 14px; margin: 10px 0 0; }

.cta-section { text-align: center; background: var(--bg-soft); }
.cta-inner h2 { font-size: 26px; margin-bottom: 10px; color: var(--text); }
.cta-inner p { color: var(--text-dim); margin-bottom: 26px; }

/* ---------- Result page ---------- */
.back-link { display: inline-block; color: var(--text-dim); font-size: 13px; margin-bottom: 20px; }
.back-link:hover { color: var(--accent); }
.result-hero { padding-top: 40px; padding-bottom: 20px; }
.result-head {
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px; flex-wrap: wrap; margin-bottom: 32px;
}
.result-head h1 { font-size: 26px; margin: 10px 0 4px; color: var(--text); }
.result-url { color: var(--text-dim); font-size: 14px; }
.grade-badge {
  width: 90px; height: 90px; border-radius: 18px;
  background: var(--card); border: 1px solid var(--card-border);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
}
.grade-letter { font-size: 34px; font-weight: 900; }
.grade-badge.grade-A .grade-letter { color: var(--pass); }
.grade-badge.grade-B .grade-letter { color: var(--accent); }
.grade-badge.grade-C .grade-letter { color: var(--warn); }
.grade-badge.grade-D .grade-letter { color: var(--fail); }
.grade-caption { font-size: 11px; color: var(--text-dim); margin-top: 2px; }

.score-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.score-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 22px;
  box-shadow: var(--shadow);
}
.score-label { font-size: 13px; color: var(--text-dim); font-weight: 700; letter-spacing: 0.05em; }
.score-num { font-size: 34px; font-weight: 900; margin: 4px 0 10px; color: var(--text); }
.bar { height: 8px; border-radius: 6px; background: var(--bg-soft); overflow: hidden; margin-bottom: 10px; }
.bar-fill { height: 100%; border-radius: 6px; }
.bar-fill.geo { background: var(--accent); }
.bar-fill.seo { background: var(--accent2-bright); }
.bar-fill.aeo { background: var(--warn); }
.score-card p { font-size: 12.5px; color: var(--text-dim); margin: 0; }

.alert-section { padding: 0 0 20px; }
.alert-box {
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.3);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-size: 14px;
  color: var(--text);
}
.alert-box strong { color: #991b1b; }
.alert-note { color: var(--text-dim); font-size: 13px; margin-top: 6px; }

.detail-section { padding-top: 20px; }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.detail-block {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow);
}
.detail-block h3 { font-size: 15px; margin: 0 0 14px; display: flex; justify-content: space-between; color: var(--text); }
.detail-score { color: var(--text-dim); font-weight: 500; font-size: 13px; }
.reason-list { list-style: none; margin: 0; padding: 0; }
.reason { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; margin-bottom: 12px; color: var(--text-dim); }
.reason-icon {
  flex-shrink: 0; width: 20px; height: 20px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 900;
}
.reason-pass .reason-icon { background: rgba(21, 128, 61, 0.12); color: var(--pass); }
.reason-warn .reason-icon { background: rgba(194, 87, 11, 0.12); color: var(--warn); }
.reason-fail .reason-icon { background: rgba(220, 38, 38, 0.10); color: var(--fail); }
.reason-pass span:last-child { color: var(--text); }

/* ---------- Risk banner ---------- */
.risk-banner {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 14px 18px; font-size: 14px;
  margin-bottom: 24px; display: flex; gap: 10px; align-items: flex-start;
  box-shadow: var(--shadow);
}
.risk-C, .risk-D { border-color: rgba(220, 38, 38, 0.3); background: rgba(220, 38, 38, 0.05); color: #991b1b; }
.risk-A, .risk-B { border-color: rgba(21, 128, 61, 0.3); background: rgba(21, 128, 61, 0.05); color: #166534; }

/* ---------- Executive brief ---------- */
.brief-section { padding-top: 8px; }
.brief-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow);
}
.brief-card h2 { font-size: 20px; margin: 8px 0 18px; color: var(--text); }
.brief-rows { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.brief-row { background: var(--bg-soft); border-radius: 12px; padding: 16px; }
.brief-row strong { display: block; margin-bottom: 6px; font-size: 13px; }
.brief-good strong { color: var(--pass); }
.brief-bad strong { color: var(--fail); }
.brief-row p { font-size: 13.5px; color: var(--text-dim); margin: 0; }

/* ---------- Priority actions ---------- */
.action-list { display: flex; flex-direction: column; gap: 12px; }
.action-card {
  display: flex; gap: 16px;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 18px 20px;
  box-shadow: var(--shadow);
}
.action-num {
  width: 32px; height: 32px; border-radius: 999px; flex-shrink: 0;
  background: var(--accent-grad); color: #ffffff; font-weight: 900;
  display: flex; align-items: center; justify-content: center; font-size: 14px;
}
.action-body { flex: 1; min-width: 0; }
.action-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.action-top strong { font-size: 15px; color: var(--text); }
.axis-tag {
  font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  background: rgba(0, 75, 155, 0.10); color: var(--accent); flex-shrink: 0;
}
.axis-tag.axis-SEO { background: rgba(10, 110, 166, 0.10); color: var(--accent2); }
.axis-tag.axis-AEO { background: rgba(194, 87, 11, 0.10); color: var(--warn); }
.action-detected { font-size: 13px; color: var(--text-dim); margin: 2px 0; }
.action-why { font-size: 13px; color: var(--text-dim); margin: 6px 0; }
.action-meta { display: flex; gap: 14px; font-size: 12px; color: var(--text-dim); margin-top: 8px; flex-wrap: wrap; }
.action-fix { margin-top: 10px; }
.action-fix summary { cursor: pointer; font-size: 12.5px; color: var(--accent2); }
.action-fix pre {
  margin-top: 8px; background: var(--bg-soft); border: 1px solid var(--card-border);
  border-radius: 8px; padding: 12px; font-size: 12px; overflow-x: auto;
  white-space: pre-wrap; word-break: break-word; color: var(--text);
}
.action-source { font-size: 11.5px; color: var(--text-dim); margin: 8px 0 0; font-style: italic; }

/* ---------- Score projection ---------- */
.projection-section { padding-top: 0; }
.projection-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 24px; text-align: center;
  box-shadow: var(--shadow);
}
.projection-row { display: flex; align-items: center; justify-content: center; gap: 24px; margin: 16px 0 10px; flex-wrap: wrap; }
.projection-box { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.projection-label { font-size: 12px; color: var(--text-dim); }
.projection-num { font-size: 36px; font-weight: 900; color: var(--text); }
.projection-num-after { color: var(--pass); }
.projection-arrow { font-size: 14px; color: var(--accent2); font-weight: 700; }
.grade-mini {
  width: 26px; height: 26px; border-radius: 7px; font-size: 12px; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
}
.grade-mini.grade-A { background: rgba(21, 128, 61, 0.10); color: var(--pass); }
.grade-mini.grade-B { background: rgba(0, 75, 155, 0.10); color: var(--accent); }
.grade-mini.grade-C { background: rgba(194, 87, 11, 0.10); color: var(--warn); }
.grade-mini.grade-D { background: rgba(220, 38, 38, 0.10); color: var(--fail); }
.projection-note { font-size: 12.5px; color: var(--text-dim); }

/* ---------- Item score tables ---------- */
.detail-block { overflow-x: auto; }
.item-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 480px; }
.item-table th {
  text-align: left; color: var(--text-dim); font-weight: 600; font-size: 12px;
  padding: 8px 10px; border-bottom: 1px solid var(--card-border);
}
.item-table td { padding: 9px 10px; border-bottom: 1px solid var(--card-border); }
.item-row.item-pass .item-points { color: var(--pass); }
.item-row.item-warn .item-points { color: var(--warn); }
.item-row.item-fail .item-points { color: var(--fail); }
.item-detected { color: var(--text-dim); }
.item-points { font-weight: 700; white-space: nowrap; }
.item-source { color: var(--text-dim); font-size: 11.5px; font-style: italic; max-width: 220px; }
.bot-table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 16px 20px; box-shadow: var(--shadow); }
.bot-core { font-size: 10px; background: rgba(0, 75, 155, 0.10); color: var(--accent); padding: 2px 6px; border-radius: 999px; margin-left: 4px; }

/* ---------- AI engine mock ---------- */
.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mock-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow);
}
.mock-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.mock-top strong { font-size: 15px; color: var(--text); }
.mock-mode { font-size: 11px; color: var(--text-dim); }
.mock-status {
  display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent2);
  background: rgba(10, 110, 166, 0.08); border-radius: 999px; padding: 3px 10px; margin-bottom: 10px;
}
.mock-reply { font-size: 13px; color: var(--text-dim); font-style: italic; margin: 0; }

/* ---------- Benchmark ---------- */
.bench-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.bench-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.bench-label { font-size: 13px; font-weight: 700; color: var(--text-dim); margin-bottom: 10px; }
.bench-bar-track { position: relative; height: 10px; background: var(--bg-soft); border-radius: 6px; overflow: visible; }
.bench-bar-fill { height: 100%; border-radius: 6px; background: var(--accent-grad); }
.bench-avg-marker { position: absolute; top: -3px; width: 2px; height: 16px; background: var(--text-dim); }
.bench-nums { display: flex; justify-content: space-between; font-size: 12.5px; margin-top: 8px; color: var(--text-dim); }
.bench-diff.bench-up { color: var(--pass); }
.bench-diff.bench-down { color: var(--fail); }

/* ---------- Compare ---------- */
.compare-form { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.compare-form input {
  flex: 1; min-width: 200px; background: var(--card); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 11px 14px; color: var(--text); font-size: 14px; outline: none;
}
.compare-table { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 4px 16px; box-shadow: var(--shadow); }
.compare-mine { background: rgba(0, 75, 155, 0.05); }

/* ---------- 30-day plan ---------- */
.plan-timeline { display: flex; flex-direction: column; gap: 12px; }
.plan-step {
  display: flex; gap: 16px;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 16px 20px;
  box-shadow: var(--shadow);
}
.plan-week {
  flex-shrink: 0; width: 64px; height: 64px; border-radius: 12px;
  background: var(--bg-soft); color: var(--accent); font-weight: 900; font-size: 13px;
  display: flex; align-items: center; justify-content: center; text-align: center;
}
.plan-body { flex: 1; }
.plan-phase { display: block; font-size: 11px; color: var(--accent2); margin-bottom: 4px; }
.plan-body strong { font-size: 14.5px; color: var(--text); }
.plan-body p { font-size: 13px; color: var(--text-dim); margin: 4px 0 0; }

.cta-btn-row { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--card-border); padding: 40px 0 16px; margin-top: 40px; background: var(--bg-soft); }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 20px; }
.brand-footer { margin-bottom: 8px; }
.footer-desc { color: var(--text-dim); font-size: 13px; max-width: 380px; }
.footer-links { display: flex; gap: 18px; font-size: 13px; color: var(--text-dim); }
.footer-links a:hover { color: var(--accent); }
.footer-copyright { text-align: center; color: var(--text-dim); font-size: 12px; margin-top: 30px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero h1 { font-size: 28px; }
  .two-col { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .score-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .result-head { flex-direction: column; align-items: flex-start; }
  .brief-rows { grid-template-columns: 1fr; }
  .mock-grid { grid-template-columns: 1fr; }
  .bench-grid { grid-template-columns: 1fr; }
  .action-card { flex-direction: column; }
}