.rf-landing .au-hero { position: relative; padding: 5rem 0 3rem; overflow: hidden; background: var(--graphite); color: #FFFFFF; }
.rf-landing .au-hero::before { content: ''; position: absolute; top: -20%; left: 50%; transform: translateX(-50%); width: 900px; height: 700px; background: radial-gradient(circle, rgba(91,60,240,0.25) 0%, transparent 65%); pointer-events: none; }
.rf-landing .au-hero::after { content: ''; position: absolute; top: 10%; right: -5%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(255,106,0,0.12) 0%, transparent 65%); pointer-events: none; }
.rf-landing .au-hero-content { position: relative; z-index: 1; text-align: center; max-width: 900px; margin: 0 auto; }
.rf-landing .au-hero-eyebrow { display: inline-flex; align-items: center; gap: 0.7rem; background: rgba(91,60,240,0.15); border: 1px solid rgba(91,60,240,0.35); color: #B9A8FF; padding: 0.55rem 1.2rem; border-radius: 999px; font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; margin-bottom: 2rem; }
.rf-landing .au-hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 12px var(--orange); animation: rfPulse 2s infinite; }
@keyframes rfPulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }
.rf-landing .au-hero h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 700; margin-bottom: 1.6rem; letter-spacing: -0.025em; color: #FFFFFF; line-height: 1.1; }
.rf-landing .au-hero h1 em { font-style: normal; color: var(--indigo); }
.rf-landing .au-hero h1 .glow { color: var(--orange); font-style: normal; }
.rf-landing .au-hero-lead { font-size: 1.15rem; color: rgba(255,255,255,0.75); line-height: 1.65; max-width: 620px; margin: 0 auto 2.5rem; }
.rf-landing .au-hero-cta { display: flex; gap: 1rem; justify-content: center; align-items: center; flex-wrap: wrap; }
.rf-landing .au-btn-primary, .rf-landing .au-btn-secondary { text-decoration: none; font-weight: 600; font-size: 0.95rem; padding: 0.9rem 1.7rem; border-radius: 999px; transition: all 0.25s; display: inline-flex; align-items: center; gap: 0.5rem; line-height: 1; }
.rf-landing .au-btn-primary { background: #FFFFFF; color: var(--graphite); }
.rf-landing .au-btn-primary:hover { background: var(--indigo); color: #FFFFFF; transform: translateY(-2px); }
.rf-landing .au-btn-secondary { background: transparent; color: #FFFFFF; border: 1px solid rgba(255,255,255,0.3); }
.rf-landing .au-btn-secondary:hover { border-color: #FFFFFF; background: rgba(255,255,255,0.06); }

.rf-landing .au-showcase { position: relative; z-index: 1; margin-top: 4rem; }
.rf-landing .browser-frame { background: #1a2536; border-radius: 14px 14px 0 0; border: 1px solid rgba(255,255,255,0.12); border-bottom: none; overflow: hidden; box-shadow: 0 -10px 80px -20px rgba(91,60,240,0.4), 0 40px 100px -30px rgba(0,0,0,0.6); max-width: 1100px; margin: 0 auto; }
.rf-landing .browser-bar { background: #0f1825; padding: 0.7rem 1.2rem; display: flex; align-items: center; gap: 0.8rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.rf-landing .browser-dots { display: flex; gap: 0.45rem; }
.rf-landing .browser-dots span { width: 11px; height: 11px; border-radius: 50%; }
.rf-landing .browser-dots span:nth-child(1){ background:#FF5F57; }
.rf-landing .browser-dots span:nth-child(2){ background:#FEBC2E; }
.rf-landing .browser-dots span:nth-child(3){ background:#28C840; }
.rf-landing .browser-url { flex: 1; background: rgba(255,255,255,0.06); border-radius: 6px; padding: 0.35rem 1rem; font-size: 0.74rem; color: rgba(255,255,255,0.55); text-align: center; max-width: 340px; margin: 0 auto; letter-spacing: 0.02em; }
.rf-landing .browser-img { display: block; width: 100%; height: auto; background: #f3f4f6; }
.rf-landing .browser-img-placeholder { display: block; width: 100%; aspect-ratio: 16 / 9; background: linear-gradient(135deg, #1a2536 0%, #0f1825 100%); color: rgba(255,255,255,0.3); display: grid; place-items: center; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }

.rf-landing .intro-strip { padding: 4rem 0; background: var(--graphite); border-top: 1px solid rgba(255,255,255,0.08); border-bottom: 1px solid rgba(255,255,255,0.08); color: #FFFFFF; }
.rf-landing .intro-strip-inner { max-width: 880px; margin: 0 auto; text-align: center; padding: 0 1.5rem; }
.rf-landing .intro-strip h2 { font-weight: 700; font-size: clamp(1.4rem, 2.6vw, 2.1rem); line-height: 1.35; color: #FFFFFF; letter-spacing: -0.01em; }
.rf-landing .intro-strip h2 em { font-style: normal; color: var(--orange); }

.rf-landing .steps-wrap { background: #FFFFFF; color: var(--graphite); }
.rf-landing .step { padding: 5rem 0; position: relative; border-bottom: 1px solid var(--line-soft); }
.rf-landing .step:last-child { border-bottom: none; }
.rf-landing .step-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 4rem; align-items: center; }
.rf-landing .step.reverse .step-grid { grid-template-columns: 1.25fr 1fr; }
.rf-landing .step.reverse .step-text { order: 2; }
.rf-landing .step.reverse .step-visual { order: 1; }
.rf-landing .step-text { position: relative; }
.rf-landing .step-number { font-weight: 800; font-size: 6.5rem; line-height: 0.8; color: var(--indigo); opacity: 0.12; position: absolute; top: -3.2rem; left: -1rem; pointer-events: none; letter-spacing: -0.05em; }
.rf-landing .step-tag { display: inline-flex; align-items: center; gap: 0.6rem; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--indigo); font-weight: 700; margin-bottom: 1.2rem; position: relative; }
.rf-landing .step-tag .step-line { width: 32px; height: 2px; background: var(--indigo); }
.rf-landing .step-text h3 { font-weight: 700; font-size: clamp(1.6rem, 2.8vw, 2.4rem); line-height: 1.15; margin-bottom: 1.1rem; letter-spacing: -0.02em; color: var(--graphite); }
.rf-landing .step-text h3 em { font-style: normal; color: var(--indigo); }
.rf-landing .step-text > p { font-size: 1.02rem; color: var(--graphite-soft); line-height: 1.65; margin-bottom: 1.5rem; }
.rf-landing .step-features { display: flex; flex-direction: column; gap: 0.8rem; }
.rf-landing .step-features li { display: grid; grid-template-columns: 24px 1fr; gap: 0.8rem; align-items: start; font-size: 0.92rem; line-height: 1.55; }
.rf-landing .step-features li .fi { width: 22px; height: 22px; border-radius: 6px; background: var(--indigo-soft); color: var(--indigo); display: grid; place-items: center; flex-shrink: 0; margin-top: 1px; font-weight: 700; font-size: 0.78rem; }
.rf-landing .step-features li strong { color: var(--graphite); font-weight: 700; }

.rf-landing .shot { border-radius: 12px; overflow: hidden; box-shadow: 0 30px 70px -25px rgba(15,19,32,0.4); border: 1px solid var(--line-soft); transition: transform 0.4s cubic-bezier(0.2,0.8,0.2,1), box-shadow 0.4s; background: #FFFFFF; }
.rf-landing .shot:hover { transform: translateY(-6px) scale(1.01); box-shadow: 0 45px 90px -25px rgba(15,19,32,0.5); }
.rf-landing .shot-bar { background: var(--graphite); padding: 0.6rem 1rem; display: flex; align-items: center; gap: 0.7rem; }
.rf-landing .shot-dots { display: flex; gap: 0.4rem; }
.rf-landing .shot-dots span { width: 9px; height: 9px; border-radius: 50%; }
.rf-landing .shot-dots span:nth-child(1){ background:#FF5F57; }
.rf-landing .shot-dots span:nth-child(2){ background:#FEBC2E; }
.rf-landing .shot-dots span:nth-child(3){ background:#28C840; }
.rf-landing .shot-label { font-size: 0.7rem; color: rgba(255,255,255,0.55); letter-spacing: 0.05em; margin-left: auto; font-weight: 600; }
.rf-landing .shot img { display: block; width: 100%; height: auto; background: #f3f4f6; }
.rf-landing .shot-placeholder { display: block; width: 100%; aspect-ratio: 16 / 10; background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%); color: var(--graphite-soft); display: grid; place-items: center; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.rf-landing .shot-wrap { position: relative; }
.rf-landing .shot-badge { position: absolute; z-index: 3; background: var(--graphite); color: #FFFFFF; padding: 0.7rem 1.1rem; border-radius: 10px; box-shadow: 0 12px 30px -8px rgba(15,19,32,0.45); border: 1px solid rgba(91,60,240,0.4); display: flex; align-items: center; gap: 0.7rem; max-width: 250px; }
.rf-landing .shot-badge .bi { width: 32px; height: 32px; border-radius: 8px; background: var(--indigo); color: white; display: grid; place-items: center; flex-shrink: 0; font-weight: 700; }
.rf-landing .shot-badge .bt { font-size: 0.78rem; line-height: 1.35; }
.rf-landing .shot-badge .bt strong { display: block; color: #FFFFFF; font-weight: 700; }
.rf-landing .shot-badge .bt span { color: rgba(255,255,255,0.6); font-size: 0.7rem; }
.rf-landing .shot-badge.tl { top: -16px; left: -16px; }
.rf-landing .shot-badge.br { bottom: -16px; right: -16px; }
.rf-landing .shot-badge.tr { top: -16px; right: -16px; }
.rf-landing .shot-badge.orange { border-color: rgba(255,106,0,0.5); }
.rf-landing .shot-badge.orange .bi { background: var(--orange); }

.rf-landing .map-section { background: linear-gradient(180deg, var(--graphite) 0%, #16243a 100%); color: #FFFFFF; padding: 6rem 0; position: relative; overflow: hidden; }
.rf-landing .map-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 70% 30%, rgba(91,60,240,0.18) 0%, transparent 55%); }
.rf-landing .map-head { text-align: center; max-width: 720px; margin: 0 auto 3rem; position: relative; z-index: 1; }
.rf-landing .map-head .eyebrow { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--orange); margin-bottom: 1.2rem; display: inline-block; font-weight: 700; }
.rf-landing .map-head h2 { font-weight: 700; font-size: clamp(1.8rem, 3.4vw, 2.8rem); line-height: 1.15; margin-bottom: 1.1rem; color: #FFFFFF; letter-spacing: -0.02em; }
.rf-landing .map-head h2 em { font-style: normal; color: var(--indigo); }
.rf-landing .map-head p { font-size: 1.05rem; color: rgba(255,255,255,0.72); line-height: 1.6; }
.rf-landing .map-shot { position: relative; z-index: 1; max-width: 1080px; margin: 0 auto; border-radius: 14px; overflow: hidden; box-shadow: 0 40px 100px -30px rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.12); }
.rf-landing .map-shot .shot-bar { background: #0f1825; }
.rf-landing .map-shot img { display: block; width: 100%; height: auto; background: #f3f4f6; }

.rf-landing .cert-section { background: var(--paper); color: var(--graphite); padding: 6rem 0; }
.rf-landing .cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.rf-landing .cert-text .eyebrow { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--indigo); padding: 0.4rem 0; border-top: 2px solid var(--indigo); display: inline-block; margin-bottom: 1.4rem; font-weight: 700; }
.rf-landing .cert-text h2 { font-weight: 700; font-size: clamp(1.8rem, 3.2vw, 2.6rem); line-height: 1.15; margin-bottom: 1.2rem; color: var(--graphite); letter-spacing: -0.02em; }
.rf-landing .cert-text h2 em { font-style: normal; color: var(--indigo); }
.rf-landing .cert-text > p { font-size: 1.02rem; color: var(--graphite-soft); line-height: 1.65; margin-bottom: 1.5rem; }
.rf-landing .cert-badges { display: flex; gap: 0.8rem; margin: 1.5rem 0; flex-wrap: wrap; }
.rf-landing .cert-badge { background: #FFFFFF; border: 1px solid var(--line-soft); border-radius: 10px; padding: 0.85rem 1.1rem; flex: 1; min-width: 180px; }
.rf-landing .cert-badge .cb-tag { font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 700; padding: 0.18rem 0.5rem; border-radius: 4px; display: inline-block; margin-bottom: 0.5rem; }
.rf-landing .cert-badge.def .cb-tag { background: var(--indigo); color: white; }
.rf-landing .cert-badge.reg .cb-tag { background: var(--orange); color: white; }
.rf-landing .cert-badge h5 { font-weight: 700; font-size: 0.98rem; margin-bottom: 0.2rem; color: var(--graphite); }
.rf-landing .cert-badge p { font-size: 0.78rem; color: var(--graphite-soft); line-height: 1.45; }
.rf-landing .cert-fine { font-size: 0.86rem; color: var(--graphite-soft); margin-top: 1rem; line-height: 1.5; }
.rf-landing .cert-soon { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--orange-soft); color: #B5491A; padding: 0.5rem 1rem; border-radius: 999px; font-size: 0.82rem; font-weight: 700; margin-top: 0.5rem; }
.rf-landing .cert-soon::before { content: '◷'; font-size: 1rem; }

.rf-landing .cert-visual { perspective: 1500px; }
.rf-landing .pdf-stack { position: relative; }
.rf-landing .pdf-doc { background: white; border-radius: 10px; box-shadow: 0 30px 70px -25px rgba(15,19,32,0.3); border: 1px solid var(--line-soft); overflow: hidden; position: relative; z-index: 2; }
.rf-landing .pdf-doc::before { content: ''; position: absolute; top: 12px; left: 12px; right: -12px; bottom: -12px; background: white; border: 1px solid var(--line-soft); border-radius: 10px; z-index: -1; opacity: 0.5; }
.rf-landing .pdf-top { background: var(--graphite); padding: 0.65rem 1.1rem; display: flex; justify-content: space-between; align-items: center; }
.rf-landing .pdf-top .fn { font-size: 0.7rem; color: #FFFFFF; font-weight: 600; }
.rf-landing .pdf-top .pg { background: var(--indigo); color: white; font-size: 0.66rem; padding: 0.18rem 0.55rem; border-radius: 4px; font-weight: 700; }
.rf-landing .pdf-page { padding: 1.6rem 1.8rem; }
.rf-landing .pdf-ph { display: flex; justify-content: space-between; align-items: center; padding-bottom: 0.9rem; border-bottom: 1px solid var(--line-soft); margin-bottom: 1.1rem; }
.rf-landing .pdf-ph .bn { font-weight: 800; font-size: 0.95rem; letter-spacing: -0.02em; color: var(--graphite); }
.rf-landing .pdf-ph .bn span { color: var(--indigo); }
.rf-landing .pdf-ph .rf { font-size: 0.65rem; color: var(--graphite-soft); text-align: right; line-height: 1.3; font-weight: 600; }
.rf-landing .pdf-title { font-weight: 700; font-size: 1.1rem; margin-bottom: 0.3rem; color: var(--graphite); letter-spacing: -0.01em; }
.rf-landing .pdf-sub { font-size: 0.65rem; color: var(--graphite-soft); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 1rem; font-weight: 700; }
.rf-landing .pdf-toc { list-style: none; }
.rf-landing .pdf-toc li { display: grid; grid-template-columns: 1fr auto; gap: 0.5rem; padding: 0.32rem 0; font-size: 0.8rem; color: var(--graphite-soft); border-bottom: 1px dotted var(--line-soft); }
.rf-landing .pdf-toc li:last-child { border: none; }
.rf-landing .pdf-toc .pg { color: var(--indigo); font-weight: 700; font-size: 0.74rem; }
.rf-landing .pdf-foot { margin-top: 1rem; padding-top: 0.7rem; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; align-items: center; font-size: 0.62rem; }
.rf-landing .pdf-foot .seal { color: var(--indigo); font-weight: 700; }
.rf-landing .pdf-foot .seal::before { content: '🔒 '; }
.rf-landing .pdf-foot .folio { color: var(--graphite); font-weight: 700; }
.rf-landing .pdf-foot .hash { color: var(--orange); font-weight: 700; }

.rf-landing .concepts { background: var(--graphite); color: #FFFFFF; padding: 6rem 0; }
.rf-landing .concepts-head { text-align: center; max-width: 700px; margin: 0 auto 3.5rem; }
.rf-landing .concepts-head .eyebrow { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--orange); margin-bottom: 1.2rem; display: inline-block; font-weight: 700; }
.rf-landing .concepts-head h2 { font-weight: 700; font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.15; color: #FFFFFF; letter-spacing: -0.02em; }
.rf-landing .concepts-head h2 em { font-style: normal; color: var(--indigo); }
.rf-landing .concepts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.rf-landing .concept-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: 14px; padding: 1.8rem; transition: all 0.3s; }
.rf-landing .concept-card:hover { border-color: rgba(91,60,240,0.5); background: rgba(91,60,240,0.08); transform: translateY(-3px); }
.rf-landing .concept-card .ci { width: 44px; height: 44px; border-radius: 10px; background: rgba(91,60,240,0.2); color: #B9A8FF; display: grid; place-items: center; margin-bottom: 1.1rem; }
.rf-landing .concept-card h4 { font-weight: 700; font-size: 1.08rem; color: #FFFFFF; margin-bottom: 0.4rem; }
.rf-landing .concept-card .term { font-size: 0.66rem; color: var(--orange); letter-spacing: 0.1em; margin-bottom: 0.6rem; text-transform: uppercase; font-weight: 700; }
.rf-landing .concept-card p { font-size: 0.86rem; color: rgba(255,255,255,0.65); line-height: 1.6; }

@media (max-width: 980px) {
  .rf-landing .step-grid, .rf-landing .step.reverse .step-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .rf-landing .step.reverse .step-text { order: 1; }
  .rf-landing .step.reverse .step-visual { order: 2; }
  .rf-landing .step-number { font-size: 4.5rem; top: -2.2rem; }
  .rf-landing .cert-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .rf-landing .concepts-grid { grid-template-columns: 1fr; }
  .rf-landing .cert-badges { flex-direction: column; }
  .rf-landing .shot-badge { position: static; margin: 1rem 0 0; max-width: none; }
  .rf-landing .au-showcase { margin-top: 2.5rem; }
  .rf-landing .step { padding: 3rem 0; }
}