/* =========================================================================
   API 투자전략센터 — Main (home) page styles
   ========================================================================= */

/* ============  HERO  ============
   홈 히어로는 hero-futuristic.css(.hero-fx*)가 담당한다.
   ※ 코드 타이핑 연출용 #heroCode 컨테이너가 템플릿에 없어 main.js의
     typeHeroCode()는 no-op 상태다. */
.hero__copy { position: relative; z-index: 2; }

/* ----- syntax token colors (start.html 정적 코드 블록 · apiguide/common.js 하이라이터 공용) ----- */
.tok-kw { color: var(--code-kw); }
.tok-str { color: var(--code-str); }
.tok-num { color: var(--code-num); }
.tok-fn { color: var(--code-fn); }
.tok-com { color: var(--code-comment); font-style: italic; }
.tok-punc { color: var(--code-punc); }
.tok-var { color: #c9d3f0; }

/* ============  FEATURES  ============ */
.features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  position: relative; padding: 30px 28px; border-radius: var(--r-md);
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: var(--shadow-card); overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s, background-color 0.3s;
}
.feature:hover { transform: translateY(-5px); border-color: var(--border-glow); background: var(--surface-hover); }
.feature::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--accent-grad); opacity: 0; transition: opacity 0.3s; }
.feature:hover::after { opacity: 0.7; }
.feature__icon {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  background: var(--surface-blue); border: 1px solid var(--chip-border); margin-bottom: 20px;
  color: var(--accent-cyan);
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 { margin-bottom: 10px; }
.feature p { color: var(--text-dim); font-size: var(--fs-text-md); line-height: var(--lh-text-md); }
.feature__tag { display: inline-block; margin-top: 16px; font-family: var(--font-mono); font-size: var(--fs-badge); line-height: var(--lh-badge); color: var(--chip-text); padding: 4px 9px; border-radius: 6px; background: var(--chip-bg); border: 1px solid var(--chip-border); }

@media (max-width: 900px) { .features__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .features__grid { grid-template-columns: 1fr; } }

/* ============  GET STARTED (steps + terminal)  ============ */
.start__grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(40px, 5vw, 80px); align-items: center; }
.steps { display: flex; flex-direction: column; gap: 8px; }
.step { display: flex; gap: 20px; padding: 22px; border-radius: var(--r-md); border: 1px solid transparent; transition: border-color 0.3s, background-color 0.3s; }
.step:hover { background: var(--surface); border-color: var(--border); }
.step__num {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 700; font-size: var(--fs-text-md); line-height: var(--lh-text-md);
  background: var(--surface-2); border: 1px solid var(--border-strong); color: var(--accent-cyan);
}
.step__body h3 { margin-bottom: 7px; }
.step__body p { color: var(--text-muted); font-size: var(--fs-text-md); line-height: var(--lh-text-md); }
.step__body code { font-family: var(--font-mono); font-size: var(--fs-code-chip); line-height: var(--lh-code-chip); color: var(--chip-text); background: var(--chip-bg); padding: 2px 7px; border-radius: 5px; }

/* terminal */
.terminal {
  border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border-strong);
  background: #0a0e1a; box-shadow: var(--shadow-float);
}
:root[data-theme="light"] .terminal { background: #0a0e1a; }
.terminal__bar { display: flex; align-items: center; gap: 8px; padding: 13px 16px; background: rgba(255,255,255,0.03); border-bottom: 1px solid rgba(255,255,255,0.06); }
.terminal__bar .dots { display: flex; gap: 7px; }
.terminal__bar .dots i { width: 11px; height: 11px; border-radius: 50%; }
.terminal__bar .dots i:nth-child(1){background:#ff5f57;} .terminal__bar .dots i:nth-child(2){background:#febc2e;} .terminal__bar .dots i:nth-child(3){background:#28c840;}
.terminal__bar .title { margin-left: 8px; font-family: var(--font-mono); font-size: var(--fs-code-chip); line-height: var(--lh-code-chip); color: var(--code-file); }
.terminal__body { padding: 20px 22px; font-family: var(--font-mono); font-size: var(--fs-code-chip); line-height: var(--lh-code-chip); min-height: 320px; color: #cdd6f4; }
.terminal__body .prompt { color: var(--accent-cyan); }
.terminal__body .path { color: #7aa2ff; }
.terminal__body .cmd { color: #eef3ff; }
.terminal__body .out { color: var(--code-file); }
.terminal__body .ok { color: #9ce0a8; }
.terminal__body .json-out { color: #c9d3f0; }
.terminal__line { display: block; opacity: 0; }
.terminal__line.show { opacity: 1; }

@media (max-width: 900px) { .start__grid { grid-template-columns: 1fr; } }

/* ============  API CATEGORIES (구 홈 섹션 — 현재 미사용, 제거됨)  ============
   .cat / .cats__grid 카드 규칙은 어떤 페이지·JS도 사용하지 않던 죽은 코드였고,
   전역 로드되는 main.css 특성상 API 가이드(docs)의 동명 .cat(아코디언, apiguide.css)에
   padding:24px 등이 새어들어 좌측 패널이 부풀어 스크롤되는 충돌을 유발했다. 전부 삭제. */

/* ============  STRATEGY SAMPLES  ============ */
.strat__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.strat {
  border-radius: var(--r-lg); overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease), border-color 0.3s;
  display: flex; flex-direction: column;
}
.strat:hover { transform: translateY(-6px); border-color: var(--border-glow); }
.strat__thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-bottom: 1px solid var(--border); background: linear-gradient(150deg, var(--surface-2), var(--surface)); }
.strat__ph { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; }
.strat__ph::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 22px 22px; -webkit-mask-image: radial-gradient(80% 80% at 50% 45%, #000, transparent 78%); mask-image: radial-gradient(80% 80% at 50% 45%, #000, transparent 78%); }
.strat__ph::after { content: ""; position: absolute; inset: 0; background: radial-gradient(90% 80% at 50% 30%, var(--sc-glow, rgba(52,225,255,0.18)), transparent 62%); }
.strat__glyph { position: relative; width: 84px; height: auto; color: var(--sc-accent, var(--accent-cyan)); filter: drop-shadow(0 4px 14px var(--sc-glow, rgba(52,225,255,0.3))); }
.strat__ph-label { position: relative; font-family: var(--font-mono); font-size: var(--fs-badge); line-height: var(--lh-badge); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-2); padding: 4px 12px; border-radius: var(--r-pill); background: var(--surface-solid); border: 1px solid var(--border); }
.strat__thumb--ma  { --sc-accent: #5ba8ff; --sc-glow: rgba(91,168,255,0.22); }
.strat__thumb--rsi { --sc-accent: #34e1ff; --sc-glow: rgba(52,225,255,0.22); }
.strat__thumb--bb  { --sc-accent: #9f7aea; --sc-glow: rgba(159,122,234,0.24); }
.strat__badge { position: absolute; z-index: 2; top: 14px; left: 14px; font-family: var(--font-mono); font-size: var(--fs-badge); line-height: var(--lh-badge); padding: 4px 10px; border-radius: var(--r-pill); background: rgba(6,8,15,0.7); border: 1px solid var(--border-strong); color: #cdd6f4; backdrop-filter: blur(6px); }
:root[data-theme="light"] .strat__badge { background: rgba(255,255,255,0.92); color: #0a6f8a; border-color: rgba(8,30,70,0.14); }
.strat__body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.strat__body h3 { font-size: var(--fs-title-sub); line-height: var(--lh-title-sub); }
.strat__body p { color: var(--text-muted); font-size: var(--fs-text-sm); line-height: var(--lh-text-sm); }
.strat__meta { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.strat__meta span { font-family: var(--font-mono); font-size: var(--fs-badge); line-height: var(--lh-badge); color: var(--text-2); padding: 4px 9px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); }

@media (max-width: 900px) { .strat__grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; } }

/* ============  CTA (구 홈 하단 배너 — 마크업 없음, 제거됨)  ============
   .cta-band / .cta-card* 는 어떤 템플릿에서도 쓰이지 않던 죽은 규칙이었다.
   현재 각 페이지의 CTA는 guide.css(.gcta) · start.css(.complete-cta)가 담당한다. */