:root {
  --ink:        #1C2023;
  --ink-mid:    #262B2F;
  --ink-soft:   #565C61;
  --accent:     #3E6B6E;
  --accent-deep:#2C4F51;
  --accent-lt:  #6FA0A3;
  --paper:      #E9EEF2;
  --paper-mid:  #DCE3E9;
  --paper-dark: #C3CEDA;
  --white:      #F6F9FB;
  --border:     #B7C3CC;
  --text-on-light: #1C2023;
  --text-on-dark:  #F6F9FB;
  --f-sans: 'Pretendard', 'Noto Sans KR', sans-serif;

  --fs-display: clamp(3rem, 7.5vw, 6.6rem);
  --fs-h1:      clamp(2.2rem, 5vw, 4.2rem);
  --fs-h2:      clamp(1.6rem, 2.8vw, 2.4rem);
  --fs-h3:      clamp(1.05rem, 1.6vw, 1.3rem);
  --fs-body:    clamp(0.94rem, 1.2vw, 1.02rem);
  --fs-small:   0.83rem;
  --fs-label:   0.74rem;

  --sp:    clamp(64px, 8vw, 112px);
  --sp-sm: clamp(40px, 5vw, 72px);
  --max-w: 1180px;
  --col:   clamp(16px, 4vw, 44px);
  --radius: 3px;

  --t:      0.26s cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 480px) {
  :root {
    --fs-display: clamp(2.6rem, 12vw, 3.6rem);
    --fs-h1: clamp(1.9rem, 8vw, 2.6rem);
    --fs-h2: clamp(1.35rem, 5vw, 1.8rem);
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body,p,h1,h2,h3,h4,h5,h6,li,td,th,a,span,div,button {
  word-break: keep-all;
  overflow-wrap: break-word;
}
body {
  font-family: var(--f-sans);
  font-size: var(--fs-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-bottom: 64px;
}
@media (min-width: 769px) { body { padding-bottom: 0; } }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
h1, h2, h3, h4 { font-weight: 800; letter-spacing: -0.02em; line-height: 1.25; }
table { border-collapse: collapse; width: 100%; }

.wrap { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 var(--col); }
.table-scroll { overflow-x: auto; }

/* 스크롤 진행바 */
.scroll-progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; background: var(--accent); z-index: 9999; }

/* 헤더 / 내비 */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: var(--paper); border-bottom: 1px solid var(--border); transition: border-color var(--t), box-shadow var(--t); }
.site-header.scrolled { border-bottom-color: var(--ink); box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.nav-inner { display: flex; align-items: center; padding: 16px var(--col); max-width: calc(var(--max-w) + var(--col)*2); margin: 0 auto; gap: 32px; }
.site-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { flex-shrink: 0; width: 30px; height: 30px; }
.logo-text { font-size: 1.05rem; font-weight: 800; letter-spacing: -0.02em; }
.logo-sub { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; color: var(--ink-soft); font-variant: small-caps; text-transform: uppercase; margin-top: 2px; }
.main-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.main-nav a { font-size: 0.86rem; font-weight: 600; color: var(--ink-soft); padding: 8px 12px; transition: color var(--t); }
.main-nav .nav-cta { margin-left: 8px; background: var(--ink); color: var(--paper); padding: 10px 20px; font-weight: 700; border-radius: var(--radius); transition: background var(--t); }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 32px; height: 32px; margin-left: auto; position: relative; z-index: 1003; }
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--ink); transition: transform var(--t), opacity var(--t); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (hover: hover) and (pointer: fine) {
  .main-nav a:not(.nav-cta):hover { color: var(--ink); }
  .main-nav .nav-cta:hover { background: var(--accent); }
  .btn-primary:hover { background: var(--accent); }
  .btn-outline-dark:hover { background: var(--paper); color: var(--ink); }
  .btn-rust:hover { background: var(--accent-deep); }
  .card-link:hover .card-link-img img { transform: scale(1.04); }
  .card-link:hover { border-color: var(--ink); }
  .floating-consult:hover { background: var(--accent-deep); transform: translateY(-2px); }
}

@media (max-width: 768px) {
  .main-nav { position: fixed; top: 0; right: -100%; width: min(280px, 85vw); height: 100dvh; background: var(--paper); flex-direction: column; align-items: flex-start; padding: 88px 24px 32px; border-left: 1px solid var(--border); transition: right 0.35s cubic-bezier(.22,1,.36,1); z-index: 1002; gap: 4px; }
  .main-nav.open { right: 0; }
  .main-nav a { width: 100%; padding: 14px 4px; border-bottom: 1px solid var(--paper-mid); }
  .main-nav .nav-cta { text-align: center; margin-left: 0; margin-top: 12px; }
  .nav-toggle { display: flex; }
}

/* 라벨 태그 */
.label-tag { display: inline-flex; align-items: center; gap: 10px; font-size: var(--fs-label); font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; color: var(--accent); }
.label-tag::before { content: ''; width: 22px; height: 2px; background: var(--accent); display: inline-block; }
.label-tag--light { color: var(--paper-mid); }
.label-tag--light::before { background: var(--paper-mid); }

/* 버튼 */
.btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--ink); color: var(--paper); padding: 14px 26px; font-size: 0.92rem; font-weight: 700; border-radius: var(--radius); transition: background var(--t); }
.btn-outline-dark { display: inline-flex; align-items: center; gap: 8px; border: 1.5px solid var(--paper); color: var(--paper); padding: 12px 24px; font-size: 0.9rem; font-weight: 600; border-radius: var(--radius); transition: background var(--t), color var(--t); }
.btn-ghost { color: var(--ink-soft); font-size: 0.88rem; font-weight: 600; border-bottom: 1px solid var(--border); padding-bottom: 2px; transition: color var(--t), border-color var(--t); }
@media (hover: hover) and (pointer: fine) { .btn-ghost:hover { color: var(--ink); border-color: var(--ink); } }

/* 메인 히어로 (스플릿 + 크로스페이드 슬라이더) */
.hero { min-height: 92vh; display: grid; grid-template-columns: 1fr 1fr; padding-top: 64px; background: var(--paper); }
.hero-left { display: flex; flex-direction: column; justify-content: center; padding: clamp(40px,6vw,72px) var(--col); border-right: 1px solid var(--border); }
.hero-eyebrow { margin-bottom: 24px; }
.hero h1 { font-size: var(--fs-display); line-height: 0.98; }
.hero-desc { font-size: 1rem; font-weight: 400; color: var(--ink-soft); line-height: 1.85; max-width: 420px; margin: 24px 0 36px; }
.hero-cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta { margin-top: 48px; display: flex; gap: 28px; padding-top: 28px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.hero-meta-num { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
.hero-meta-val { font-size: 0.9rem; font-weight: 700; }
.hero-right { position: relative; overflow: hidden; background: var(--ink); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s ease; }
.hero-slide.active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-left { border-right: none; border-bottom: 1px solid var(--border); padding: 48px var(--col); }
  .hero-right { height: 56vw; max-height: 460px; order: -1; }
}
@media (max-width: 768px) { .hero-right { height: 58vw; } }
@media (max-width: 480px) { .hero-right { height: 62vw; } }

/* 서브페이지 히어로 (오버레이 다크형) */
.sub-hero-plain { padding: 132px 0 40px; background: var(--ink); }
.sub-hero h1 { color: var(--paper); font-size: var(--fs-h1); margin-top: 14px; }
.sub-hero p { color: rgba(250,250,247,0.72); font-size: 1rem; margin-top: 14px; max-width: 560px; font-weight: 400; }
@media (max-width: 768px) { .sub-hero-plain { padding: 100px 0 32px; } }

.detail-hero-photo { width: 100%; aspect-ratio: 16/7; overflow: hidden; background: var(--ink); }
.detail-hero-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 768px) { .detail-hero-photo { aspect-ratio: 4/3; } }

/* Direct Answer 박스 (AEO) */
.direct-answer { background: var(--white); border: 1px solid var(--border); border-left: 4px solid var(--accent); padding: 28px 32px; border-radius: var(--radius); margin: -56px auto 0; position: relative; z-index: 3; max-width: calc(var(--max-w)); }
.direct-answer p { font-size: 1.02rem; line-height: 1.9; }
.direct-answer p + p { margin-top: 10px; }
@media (max-width: 768px) { .direct-answer { margin-top: -32px; padding: 22px 20px; } }

/* 섹션 공통 */
.section { padding: var(--sp) 0; }
.section-sm { padding: var(--sp-sm) 0; }
.section-head { margin-bottom: 40px; }
.section-head h2 { margin-top: 12px; }
.section-dark { background: var(--ink); color: var(--paper); }
.section-mid { background: var(--paper-mid); }

/* 서비스 그리드 (보더 격자, 3x2) */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-left: 1px solid var(--border); border-top: 1px solid var(--border); margin-top: 40px; }
.svc-grid.on-dark { border-color: rgba(255,255,255,0.12); }
.svc-item { padding: 32px 26px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); transition: background var(--t); display: flex; flex-direction: column; gap: 12px; }
.on-dark .svc-item { border-color: rgba(255,255,255,0.12); }
.svc-item-num { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; color: var(--accent); }
.svc-item h3 { font-size: 1rem; }
.svc-item p { font-size: 0.86rem; color: var(--ink-soft); line-height: 1.7; }
.on-dark .svc-item p { color: rgba(250,250,247,0.6); }
.svc-item.is-consult { background: var(--ink); color: var(--paper); justify-content: center; }
.svc-item.is-consult p { color: rgba(250,250,247,0.65); }
@media (hover: hover) and (pointer: fine) { .svc-item:hover { background: rgba(0,0,0,0.03); } .on-dark .svc-item:hover { background: rgba(255,255,255,0.04); } .svc-item.is-consult:hover { background: var(--accent-deep); } }
@media (max-width: 1024px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .svc-grid { grid-template-columns: 1fr; } }

/* Before/After 비교 */
.ba-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--border); margin-top: 40px; border-radius: var(--radius); overflow: hidden; }
.ba-pane { position: relative; background: var(--white); aspect-ratio: 16/10; overflow: hidden; }
.ba-pane img { width: 100%; height: 100%; object-fit: cover; }
.ba-label { position: absolute; top: 14px; left: 14px; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 12px; border-radius: 20px; }
.ba-label.before { background: var(--ink); color: var(--paper); }
.ba-label.after { background: var(--accent); color: #fff; }
@media (max-width: 768px) { .ba-compare { grid-template-columns: 1fr; } }

/* 프로세스 (연결선 버그 방지 구조 그대로) */
.proc-list { display: flex; list-style: none; margin: 40px 0 0; padding: 0; }
.proc-step { flex: 1; position: relative; padding: 0 14px; text-align: center; }
.proc-step:not(:last-child)::after { content: ''; position: absolute; top: 24px; left: 50%; width: 100%; height: 2px; background: var(--border); z-index: 0; }
.proc-num { position: relative; z-index: 1; margin: 0 auto 16px; width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--ink); color: var(--paper); font-weight: 800; }
.proc-step h4 { font-size: 0.92rem; margin-bottom: 6px; }
.proc-step p { font-size: 0.82rem; color: var(--ink-soft); line-height: 1.6; }
@media (max-width: 768px) {
  .proc-list { flex-direction: column; gap: 8px; }
  .proc-step { padding: 22px 0; }
  .proc-step::after { display: none; }
}

/* Why us / 커버리지 카드 */
.dp-g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dp-g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dp-g4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 768px) { .dp-g2, .dp-g3, .dp-g4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .dp-g2, .dp-g3, .dp-g4 { grid-template-columns: 1fr; } }

.why-card, .cov-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; }
.why-card h3, .cov-card h3 { font-size: 0.98rem; margin-bottom: 8px; }
.why-card p, .cov-card p { font-size: 0.85rem; color: var(--ink-soft); line-height: 1.7; }

.card-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.badge { font-size: 0.76rem; font-weight: 600; padding: 5px 12px; border: 1px solid var(--border); border-radius: 20px; color: var(--ink-soft); }
@media (max-width: 768px) { .card-badges { flex-direction: column; align-items: flex-start; gap: 6px; } }

/* AEO 배너 */
.aeo-banner { background: var(--accent); color: #fff; border-radius: var(--radius); padding: 36px 32px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.aeo-banner h3 { font-size: 1.2rem; color: #fff; margin-bottom: 6px; }
.aeo-banner p { color: rgba(255,255,255,0.82); font-size: 0.88rem; }

/* 체크리스트 / 키 컨디션 카드 (AEO 세부페이지) */
.check-list { margin-top: 16px; }
.check-list li { position: relative; padding: 10px 0 10px 28px; border-bottom: 1px solid var(--paper-mid); font-size: 0.92rem; }
.check-list li::before { content: '\2713'; position: absolute; left: 0; top: 10px; color: var(--accent); font-weight: 800; }
.cond-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--border); margin-top: 20px; border-radius: var(--radius); overflow: hidden; }
.cond-item { background: var(--white); padding: 22px 24px; }
.cond-item h4 { font-size: 0.9rem; margin-bottom: 6px; color: var(--accent-deep); }
.cond-item p { font-size: 0.84rem; color: var(--ink-soft); line-height: 1.65; }
@media (max-width: 768px) { .cond-grid { grid-template-columns: 1fr; } }

.compare-table { border: 1px solid var(--border); }
.compare-table th, .compare-table td { border: 1px solid var(--border); padding: 12px 16px; font-size: 0.88rem; text-align: left; }
.compare-table th { background: var(--paper-mid); font-weight: 700; }

/* 카드형 내부링크 */
.card-link { display: block; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--white); transition: border-color var(--t); }
.card-link-img { aspect-ratio: 16/10; overflow: hidden; }
.card-link-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.card-link-body { padding: 20px 22px; }
.card-link-body h3 { font-size: 0.96rem; margin-bottom: 6px; }
.card-link-body p { font-size: 0.82rem; color: var(--ink-soft); line-height: 1.6; }
.card-link-arrow { margin-top: 12px; font-size: 0.78rem; font-weight: 700; color: var(--accent); }
.card-link.consult-card { background: var(--ink); color: var(--paper); display: flex; align-items: center; justify-content: center; text-align: center; padding: 40px 24px; min-height: 220px; }
.card-link.consult-card h3 { color: var(--paper); }
.card-link.consult-card p { color: rgba(250,250,247,0.6); }

/* FAQ (details/summary) */
.faq-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 56px; align-items: start; margin-top: 40px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { list-style: none; cursor: pointer; padding: 20px 36px 20px 0; font-size: 0.98rem; font-weight: 700; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 0; top: 16px; width: 26px; height: 26px; border: 1px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 400; transition: transform var(--t); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-answer { padding: 0 0 20px; font-size: 0.9rem; color: var(--ink-soft); line-height: 1.75; }
@media (max-width: 768px) { .faq-layout { grid-template-columns: 1fr; gap: 24px; } }

/* CTA */
.cta-section { background: var(--ink-mid); padding: var(--sp) 0; }
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; }
.cta-section h2 { color: var(--paper); }
.cta-desc { color: rgba(250,250,247,0.6); font-size: 0.95rem; margin-top: 14px; max-width: 460px; line-height: 1.8; }
@media (max-width: 1024px) { .cta-inner { grid-template-columns: 1fr; text-align: center; } .cta-desc { margin-left: auto; margin-right: auto; } }

/* 푸터 */
.site-footer { background: #14171A; color: rgba(250,250,247,0.55); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 2fr; gap: 40px; margin-bottom: 40px; }
.footer-nav h4, .footer-services h4 { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-lt); margin-bottom: 14px; }
.footer-nav { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a, .footer-services a { font-size: 0.85rem; color: rgba(250,250,247,0.65); }
.footer-services-row { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.footer-biz p { font-size: 0.82rem; margin-top: 6px; line-height: 1.6; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; font-size: 0.76rem; }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }

/* 모바일 sticky CTA + floating */
.sticky-cta { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1001; box-shadow: 0 -2px 12px rgba(0,0,0,0.15); }
.sticky-tel, .sticky-sms { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 15px 8px; min-height: 54px; font-size: 0.88rem; font-weight: 700; }
.sticky-tel { background: var(--ink); color: var(--paper); }
.sticky-sms { background: var(--accent); color: #fff; }
@media (max-width: 768px) { .sticky-cta.visible { display: flex; } }

.floating-btns { position: fixed; bottom: 24px; right: 20px; z-index: 999; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; transition: bottom 0.25s ease; }
.sticky-active .floating-btns { bottom: 76px; }
.floating-consult { display: flex; align-items: center; gap: 8px; background: var(--accent); color: #fff; padding: 12px 18px; font-size: 0.85rem; font-weight: 700; border-radius: 30px; position: relative; box-shadow: 0 4px 16px rgba(62,107,110,0.35); }
.pulse-ring { position: absolute; inset: -3px; border: 1.5px solid rgba(62,107,110,0.5); border-radius: 30px; animation: pulse-ring 3s infinite; }
@keyframes pulse-ring { 0% { transform: scale(1); opacity: 0.8; } 70%, 100% { transform: scale(1.06); opacity: 0; } }
.floating-top { display: none; width: 40px; height: 40px; background: var(--ink); color: var(--paper); border-radius: 50%; align-items: center; justify-content: center; }
.floating-top.visible { display: flex; }

/* 상담 페이지 */
.consult-hero { background: var(--ink); padding: 128px 0 64px; text-align: center; }
.consult-hero h1 { color: var(--paper); }
.consult-hero p { color: rgba(250,250,247,0.65); margin-top: 14px; }
.consult-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; max-width: 680px; margin: 44px auto 0; background: var(--border); border-radius: var(--radius); overflow: hidden; }
.consult-card { background: var(--white); padding: 40px 28px; text-align: center; transition: background var(--t); }
.consult-card svg { width: 32px; height: 32px; margin: 0 auto 16px; color: var(--accent); }
.consult-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.consult-card p { font-size: 0.84rem; color: var(--ink-soft); }
.consult-card .consult-phone-big { display: block; font-size: clamp(1.5rem, 5vw, 2.1rem); font-weight: 800; letter-spacing: -0.01em; color: var(--ink); margin-top: 14px; white-space: nowrap; }
.consult-card .consult-action { display: inline-block; margin-top: 12px; font-weight: 700; color: var(--accent-deep); }
@media (max-width: 600px) { .consult-cards { grid-template-columns: 1fr; } }
.consult-info-box { border: 1px solid var(--border); padding: 28px 32px; background: var(--paper-mid); border-radius: var(--radius); margin-top: 32px; }
.consult-info-box p { color: var(--ink-soft); }
.consult-info-box p + p { margin-top: 8px; }

/* 404 */
.not-found { padding: var(--sp) 0; min-height: 60vh; display: flex; align-items: center; }
.not-found-inner { text-align: center; }
.not-found h1 { margin-top: 16px; }
.not-found p { color: var(--ink-soft); margin: 18px 0 30px; }
.not-found-links { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Reveal 애니메이션 */
.reveal, .reveal-left, .reveal-right { opacity: 0; transition: opacity 0.7s var(--t-slow), transform 0.7s var(--t-slow); }
.reveal { transform: translateY(20px); }
.reveal-left { transform: translateX(-20px); }
.reveal-right { transform: translateX(20px); }
.reveal.visible, .reveal-left.visible, .reveal-right.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }