/* RankLowestPriceServiceIntroduction.css - 순위 추적 서비스 소개
   컨셉: 다크 프리미엄 데이터 툴 - 딥 에메랄드 캔버스 + 네온 라임 글로우 + 글라스 */

:root {
    --rt-bg: #04140e;
    --rt-bg-2: #061c14;
    --rt-surface: rgba(255, 255, 255, 0.045);
    --rt-surface-2: rgba(255, 255, 255, 0.07);
    --rt-border: rgba(255, 255, 255, 0.09);
    --rt-border-str: rgba(174, 240, 130, 0.28);
    --rt-primary: #34d399;
    --rt-primary-deep: #10b981;
    --rt-lime: #bef264;
    --rt-lime-str: #a3e635;
    --rt-text: #eafaf2;
    --rt-text-mut: rgba(234, 250, 242, 0.60);
    --rt-text-dim: rgba(234, 250, 242, 0.38);
    --rt-up: #fb7185;
    --rt-down: #60a5fa;
    --rt-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, ui-monospace, monospace;
    --rt-radius: 0.75rem;
    --rt-radius-lg: 1.25rem;
    --rt-glow-lime: 0 0 24px rgba(163, 230, 53, 0.45);
}

.rt-intro-wrap *, .rt-func-wrap * { margin: 0; padding: 0; box-sizing: border-box; }

.rt-reveal { opacity: 1; transform: none; }
.rt-motion-ready .rt-reveal { opacity: 0; transform: translateY(38px); transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1); }
.rt-motion-ready .rt-reveal.visible { opacity: 1; transform: translateY(0); }
.rt-delay-100 { transition-delay: 100ms; }
.rt-delay-200 { transition-delay: 200ms; }

.rt-container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ==========================================================================
   Base — 전체 다크 캔버스
   ========================================================================== */
.rt-intro-wrap {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
    color: var(--rt-text);
    background-color: var(--rt-bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    word-break: keep-all;
    position: relative;
    overflow: hidden;
}
.rt-intro-wrap a { text-decoration: none; color: inherit; }
.rt-intro-wrap ul { list-style: none; }

.rt-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--rt-mono); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.16em; color: var(--rt-lime); text-transform: uppercase; }
.rt-eyebrow::before { content: ''; width: 26px; height: 1px; background: var(--rt-lime); box-shadow: var(--rt-glow-lime); }

.rt-btn { display: inline-flex; align-items: center; justify-content: center; padding: 15px 30px; font-weight: 700; border-radius: 9999px; transition: all 0.3s ease; cursor: pointer; border: none; font-size: 0.98rem; }
.rt-btn-primary { background: var(--rt-lime); color: #08140a; box-shadow: 0 0 0 1px rgba(163, 230, 53, 0.5), 0 10px 30px -6px rgba(163, 230, 53, 0.5); }
.rt-btn-primary:hover { background: #cdfa7a; transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(163, 230, 53, 0.7), 0 14px 36px -6px rgba(163, 230, 53, 0.65); }
.rt-btn-outline { background: rgba(255, 255, 255, 0.04); color: var(--rt-text); border: 1px solid rgba(255, 255, 255, 0.18); }
.rt-btn-outline:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.32); transform: translateY(-2px); }
.rt-btn-ghost-dark { background: rgba(255, 255, 255, 0.06); color: var(--rt-text); border: 1px solid rgba(255, 255, 255, 0.18); }
.rt-btn-ghost-dark:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }

/* ==========================================================================
   1. Hero
   ========================================================================== */
.rt-hero { position: relative; padding: 130px 0 140px; overflow: hidden; }
.rt-hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px); background-size: 46px 46px; mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 0%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 0%, transparent 75%); pointer-events: none; }
.rt-hero-orb { position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none; z-index: 0; }
.rt-hero-orb-1 { width: 520px; height: 520px; background: rgba(16, 185, 129, 0.30); top: -180px; right: -120px; }
.rt-hero-orb-2 { width: 420px; height: 420px; background: rgba(163, 230, 53, 0.14); bottom: -160px; left: -140px; }
.rt-hero-inner { position: relative; z-index: 2; display: flex; align-items: center; gap: 60px; }
.rt-hero-copy { flex: 1.05; min-width: 0; }
.rt-hero-copy .rt-eyebrow { margin-bottom: 26px; }
.rt-hero-copy h1 { font-size: 3.5rem; font-weight: 800; line-height: 1.2; letter-spacing: -0.035em; color: #fff; margin-bottom: 26px; }
.rt-mark { color: var(--rt-lime); text-shadow: 0 0 28px rgba(163, 230, 53, 0.5); }
.rt-hero-copy p { font-size: 1.12rem; color: var(--rt-text-mut); line-height: 1.75; margin-bottom: 40px; max-width: 480px; }
.rt-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 리더보드 글라스 콘솔 */
.rt-hero-board { flex: 1; min-width: 0; display: flex; justify-content: center; }
.rt-board { width: 100%; max-width: 440px; background: linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.03) 100%); border: 1px solid var(--rt-border); border-radius: var(--rt-radius-lg); box-shadow: 0 40px 80px -24px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.08); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); overflow: hidden; }
.rt-board-head { display: flex; align-items: center; gap: 10px; padding: 15px 18px; background: rgba(0, 0, 0, 0.25); border-bottom: 1px solid var(--rt-border); }
.rt-board-dots { display: flex; gap: 6px; }
.rt-board-dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.18); }
.rt-board-title { font-size: 0.82rem; font-weight: 700; color: rgba(255, 255, 255, 0.85); }
.rt-board-live { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-family: var(--rt-mono); font-size: 0.68rem; font-weight: 700; color: var(--rt-lime); letter-spacing: 0.1em; }
.rt-board-live::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--rt-lime); box-shadow: 0 0 8px rgba(163, 230, 53, 0.9); animation: rtPing 2.2s infinite; }
@keyframes rtPing { 0% { box-shadow: 0 0 0 0 rgba(163, 230, 53, 0.5), 0 0 8px rgba(163, 230, 53, 0.9); } 70% { box-shadow: 0 0 0 9px rgba(163, 230, 53, 0), 0 0 8px rgba(163, 230, 53, 0.9); } 100% { box-shadow: 0 0 0 0 rgba(163, 230, 53, 0), 0 0 8px rgba(163, 230, 53, 0.9); } }

.rt-board-body { padding: 20px 18px 14px; }
.rt-board-kw { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--rt-border); border-radius: 9999px; padding: 9px 16px; font-size: 0.85rem; font-weight: 600; color: var(--rt-text); margin-bottom: 18px; }
.rt-board-kw svg { width: 14px; height: 14px; color: var(--rt-lime); }

.rt-board-track { position: relative; height: 300px; }
.rt-board-row { position: absolute; left: 0; right: 0; height: 53px; display: flex; align-items: center; gap: 12px; padding: 0 14px; border: 1px solid var(--rt-border); border-radius: var(--rt-radius); background: rgba(255, 255, 255, 0.03); }
.rt-board-rank { font-family: var(--rt-mono); font-size: 0.95rem; font-weight: 700; color: var(--rt-text-dim); width: 20px; flex-shrink: 0; }
.rt-board-name { font-size: 0.86rem; font-weight: 500; color: var(--rt-text-mut); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rt-board-chg { margin-left: auto; font-family: var(--rt-mono); font-size: 0.78rem; font-weight: 700; color: var(--rt-text-dim); flex-shrink: 0; }
.rt-board-chg.up { color: var(--rt-up); }
.rt-board-chg.down { color: var(--rt-down); }

.rt-board-row.pos-1 { transform: translateY(0); }
.rt-board-row.pos-2 { transform: translateY(62px); }
.rt-board-row.pos-3 { transform: translateY(124px); }
.rt-board-row.pos-4 { transform: translateY(186px); }
.rt-board-row.pos-5 { transform: translateY(248px); }

.rt-board-row.mine { background: rgba(163, 230, 53, 0.10); border-color: var(--rt-lime-str); box-shadow: 0 0 24px -4px rgba(163, 230, 53, 0.5), inset 0 0 0 1px rgba(163, 230, 53, 0.2); z-index: 2; }
.rt-board-row.mine .rt-board-rank { color: var(--rt-lime); }
.rt-board-row.mine .rt-board-name { color: #fff; font-weight: 600; }
.rt-mine-tag { flex-shrink: 0; font-size: 0.62rem; font-weight: 800; color: #08140a; background: var(--rt-lime); border-radius: 4px; padding: 3px 6px; letter-spacing: 0.04em; }

.rt-motion-ready .rt-board-row.mine { animation: rtClimb 1.5s cubic-bezier(0.2, 0.9, 0.2, 1) 1s both; }
.rt-motion-ready .rt-board-row.slide-3 { animation: rtSlide3 1.5s cubic-bezier(0.2, 0.9, 0.2, 1) 1s both; }
.rt-motion-ready .rt-board-row.slide-4 { animation: rtSlide4 1.5s cubic-bezier(0.2, 0.9, 0.2, 1) 1s both; }
.rt-motion-ready .rt-board-row.mine .rt-board-chg { animation: rtFadeIn 0.5s ease 2.4s both; }
@keyframes rtClimb { from { transform: translateY(186px); } to { transform: translateY(62px); } }
@keyframes rtSlide3 { from { transform: translateY(62px); } to { transform: translateY(124px); } }
@keyframes rtSlide4 { from { transform: translateY(124px); } to { transform: translateY(186px); } }
@keyframes rtFadeIn { from { opacity: 0; } to { opacity: 1; } }

.rt-board-foot { display: flex; justify-content: space-between; align-items: center; padding: 13px 18px 16px; border-top: 1px solid var(--rt-border); font-family: var(--rt-mono); font-size: 0.7rem; color: var(--rt-text-dim); }
.rt-board-foot b { color: var(--rt-lime); font-weight: 700; }

/* ==========================================================================
   2. 8회차 타임라인 밴드
   ========================================================================== */
.rt-pulse { background: var(--rt-bg-2); padding: 110px 0; position: relative; overflow: hidden; border-top: 1px solid var(--rt-border); border-bottom: 1px solid var(--rt-border); }
.rt-pulse::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 700px; height: 400px; background: radial-gradient(ellipse, rgba(163, 230, 53, 0.10) 0%, transparent 65%); pointer-events: none; }
.rt-pulse-inner { position: relative; text-align: center; }
.rt-pulse h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.025em; margin-bottom: 18px; color: #fff; }
.rt-pulse-inner > p { font-size: 1.1rem; color: var(--rt-text-mut); max-width: 580px; margin: 0 auto 64px; line-height: 1.75; }

.rt-rail { position: relative; max-width: 800px; margin: 0 auto 24px; display: flex; justify-content: space-between; }
.rt-rail::before { content: ''; position: absolute; left: 4%; right: 4%; top: 8px; height: 1px; background: rgba(255, 255, 255, 0.14); }
.rt-rail::after { content: ''; position: absolute; left: 4%; width: 86%; top: 8px; height: 1px; background: linear-gradient(90deg, var(--rt-lime), rgba(163, 230, 53, 0)); box-shadow: 0 0 10px rgba(163, 230, 53, 0.6); }
.rt-rail-node { position: relative; display: flex; flex-direction: column; align-items: center; gap: 14px; flex: 1; z-index: 1; }
.rt-rail-node i { width: 17px; height: 17px; border-radius: 50%; background: var(--rt-bg-2); border: 1px solid rgba(255, 255, 255, 0.25); }
.rt-rail-node.done i { background: var(--rt-lime); border-color: var(--rt-lime); box-shadow: 0 0 12px rgba(163, 230, 53, 0.7); }
.rt-rail-node.now i { background: var(--rt-lime); border-color: var(--rt-lime); box-shadow: 0 0 0 0 rgba(163, 230, 53, 0.6), 0 0 16px rgba(163, 230, 53, 0.9); animation: rtPing 2.2s infinite; }
.rt-rail-node span { font-family: var(--rt-mono); font-size: 0.72rem; font-weight: 500; color: var(--rt-text-dim); }
.rt-rail-node.done span, .rt-rail-node.now span { color: var(--rt-lime); }
.rt-pulse-caption { font-family: var(--rt-mono); font-size: 0.82rem; font-weight: 600; color: var(--rt-text-mut); letter-spacing: 0.1em; }

/* ==========================================================================
   3. 기능 벤토 (글라스)
   ========================================================================== */
.rt-features { padding: 130px 0; position: relative; }
.rt-features-header { max-width: 680px; margin-bottom: 60px; }
.rt-features-header .rt-eyebrow { margin-bottom: 18px; }
.rt-features-header h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.025em; color: #fff; margin-bottom: 16px; }
.rt-features-header p { font-size: 1.08rem; color: var(--rt-text-mut); line-height: 1.75; }

.rt-bento { display: grid; grid-template-columns: 1.25fr 1fr; grid-template-rows: auto auto; gap: 20px; }
.rt-bento-card { border: 1px solid var(--rt-border); border-radius: var(--rt-radius-lg); padding: 34px; background: var(--rt-surface); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); position: relative; overflow: hidden; }
.rt-bento-card:hover { border-color: var(--rt-border-str); transform: translateY(-6px); background: var(--rt-surface-2); }
.rt-bento-main { grid-row: 1 / 3; display: flex; flex-direction: column; background: linear-gradient(160deg, rgba(16, 185, 129, 0.10) 0%, rgba(255, 255, 255, 0.03) 55%); }
.rt-bento-card h3 { font-size: 1.35rem; font-weight: 800; color: #fff; margin-bottom: 10px; letter-spacing: -0.01em; }
.rt-bento-card > p { font-size: 0.98rem; color: var(--rt-text-mut); line-height: 1.7; }
.rt-bento-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(163, 230, 53, 0.12); color: var(--rt-lime); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; border: 1px solid rgba(163, 230, 53, 0.25); }
.rt-bento-icon svg { width: 24px; height: 24px; }

.rt-bento-chart { margin-top: auto; padding-top: 30px; }
.rt-bento-chart-box { background: rgba(0, 0, 0, 0.25); border: 1px solid var(--rt-border); border-radius: var(--rt-radius); padding: 16px 20px; }
.rt-bento-chart-box svg { width: 100%; height: auto; display: block; overflow: visible; }
.rt-axis-label { display: flex; justify-content: space-between; font-family: var(--rt-mono); font-size: 0.68rem; color: var(--rt-text-dim); margin-bottom: 8px; }

/* ==========================================================================
   4. 이런 분들께 (체크리스트)
   ========================================================================== */
.rt-fit { padding: 130px 0; position: relative; }
.rt-fit-inner { display: flex; gap: 72px; align-items: flex-start; }
.rt-fit-head { flex: 0 0 320px; }
.rt-fit-head .rt-eyebrow { margin-bottom: 18px; }
.rt-fit-head h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.025em; color: #fff; line-height: 1.3; }
.rt-fit-list { flex: 1; display: flex; flex-direction: column; }
.rt-fit-item { display: flex; gap: 20px; align-items: flex-start; padding: 28px 4px; border-bottom: 1px solid var(--rt-border); }
.rt-fit-item:first-child { padding-top: 4px; }
.rt-fit-check { flex-shrink: 0; width: 32px; height: 32px; border-radius: 9px; background: rgba(163, 230, 53, 0.12); color: var(--rt-lime); display: flex; align-items: center; justify-content: center; margin-top: 2px; border: 1px solid rgba(163, 230, 53, 0.3); }
.rt-fit-check svg { width: 16px; height: 16px; }
.rt-fit-item h4 { font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 7px; }
.rt-fit-item p { font-size: 0.96rem; color: var(--rt-text-mut); line-height: 1.7; }

/* ==========================================================================
   5. 광고주 전용 밴드
   ========================================================================== */
.rt-adv { padding: 130px 0; position: relative; border-top: 1px solid var(--rt-border); overflow: hidden; }
.rt-adv::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 760px; height: 480px; background: radial-gradient(ellipse, rgba(16, 185, 129, 0.18) 0%, transparent 62%); pointer-events: none; }
.rt-adv-inner { position: relative; text-align: center; max-width: 760px; margin: 0 auto; }
.rt-adv-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(163, 230, 53, 0.14); color: var(--rt-lime); padding: 8px 18px; border-radius: 20px; font-size: 0.85rem; font-weight: 700; margin-bottom: 24px; border: 1px solid rgba(163, 230, 53, 0.3); }
.rt-adv-badge svg { width: 14px; height: 14px; }
.rt-adv h2 { color: #fff; font-size: 2.7rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 20px; line-height: 1.25; }
.rt-adv h2 em { font-style: normal; color: var(--rt-lime); text-shadow: 0 0 28px rgba(163, 230, 53, 0.5); }
.rt-adv p { color: var(--rt-text-mut); font-size: 1.1rem; line-height: 1.75; margin-bottom: 40px; }
.rt-adv-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .rt-hero { padding: 90px 0 100px; }
    .rt-hero-inner { flex-direction: column; gap: 56px; }
    .rt-hero-copy { text-align: center; }
    .rt-hero-copy .rt-eyebrow { margin-left: auto; margin-right: auto; }
    .rt-hero-copy p { margin-left: auto; margin-right: auto; }
    .rt-hero-actions { justify-content: center; }
    .rt-bento { grid-template-columns: 1fr; grid-template-rows: none; }
    .rt-bento-main { grid-row: auto; }
    .rt-fit-inner { flex-direction: column; gap: 40px; }
    .rt-fit-head { flex: none; }
    .rt-features, .rt-fit, .rt-adv { padding: 90px 0; }
}

@media (max-width: 768px) {
    .rt-hero-copy h1 { font-size: 2.4rem; }
    .rt-hero-copy p { font-size: 1rem; }
    .rt-pulse h2, .rt-features-header h2, .rt-fit-head h2 { font-size: 1.8rem; }
    .rt-adv h2 { font-size: 1.9rem; }
    .rt-rail { max-width: 100%; }
    .rt-rail-node:nth-child(even) span { display: none; }
    .rt-rail-node span { font-size: 0.62rem; }
    .rt-board { max-width: 100%; }
    .rt-bento-card { padding: 26px; }
}

@media (prefers-reduced-motion: reduce) {
    .rt-motion-ready .rt-reveal,
    .rt-motion-ready .rt-reveal.visible { opacity: 1; transform: none; transition: none; }
    .rt-intro-wrap *, .rt-intro-wrap *::before, .rt-intro-wrap *::after { animation: none !important; transition: none !important; }
    .rt-motion-ready .rt-board-row.mine { transform: translateY(62px); }
    .rt-motion-ready .rt-board-row.slide-3 { transform: translateY(124px); }
    .rt-motion-ready .rt-board-row.slide-4 { transform: translateY(186px); }
}