/* ====================================================
   WakeQora Amazon SP AI 投手 – Presentation Styles
   Visual language: Wake AI V2.1 (clean, gradient accents)
   ==================================================== */

/* ---------- CSS Variables ---------- */
:root {
    --cyan: #16c7dc;
    --blue: #3B82F6;
    --violet: #8d62e8;
    --pink: #f5429b;
    --green: #18b989;
    --amber: #f5a623;
    --dark: #101729;
    --dark-card: rgba(255,255,255,0.05);
    --dark-border: rgba(255,255,255,0.1);
    --light: #F6F8FB;
    --light-card: #FFFFFF;
    --light-border: #DFE7F1;
    --text-dark: #E2E8F0;
    --text-muted-dark: #94A3B8;
    --text-light: #101729;
    --text-muted-light: #617087;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 18px 50px rgba(29,43,73,0.12);
    --font: -apple-system, BlinkMacSystemFont, 'Inter', 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
    --transition: 0.4s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; overflow: hidden; }
body {
    font-family: var(--font);
    background: var(--dark);
    color: var(--text-dark);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    -webkit-font-smoothing: antialiased;
    line-height: 1.62;
    letter-spacing: 0;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
strong { font-weight: 700; }

/* ---------- Progress Bar ---------- */
.progress-bar {
    position: fixed; top: 0; left: 0; width: 100%; height: 4px;
    background: rgba(255,255,255,0.06); z-index: 320;
}
.progress-fill {
    height: 100%; width: 11.11%;
    background: linear-gradient(90deg, var(--cyan), var(--violet), var(--pink));
    transition: width var(--transition);
    border-radius: 0 2px 2px 0;
}

/* ---------- Shared Site Chrome ---------- */
.site-nav {
    position: fixed;
    top: 16px; left: 24px; right: 24px;
    min-height: 54px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 18px;
    padding: 9px 12px 9px 16px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    background: rgba(11,18,32,0.72);
    color: rgba(255,255,255,0.82);
    backdrop-filter: blur(16px);
    box-shadow: 0 14px 36px rgba(0,0,0,0.18);
    z-index: 280;
}
.site-nav__brand {
    display: inline-flex; align-items: center; gap: 10px;
    min-width: 0;
    font-size: 15px; font-weight: 800;
    letter-spacing: -0.01em;
    color: #fff;
}
.site-nav__brand img {
    width: 92px; height: auto;
    max-height: 28px;
    object-fit: contain;
}
.site-nav__brand span { white-space: nowrap; }
.site-nav__links {
    display: flex; align-items: center; justify-content: center;
    gap: 18px;
    min-width: 0;
}
.site-nav__links a,
.site-footer__links a {
    font-size: 13px; font-weight: 600;
    color: rgba(255,255,255,0.64);
    white-space: nowrap;
    transition: color 0.2s ease, transform 0.2s ease;
}
.site-nav__links a:hover,
.site-footer__links a:hover {
    color: #fff;
}
.site-nav__cta {
    flex: 0 0 auto;
    display: inline-flex; align-items: center; justify-content: center;
    height: 36px; padding: 0 14px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: #fff;
    font-size: 13px; font-weight: 800;
    box-shadow: 0 10px 24px rgba(22,199,220,0.18);
}
.site-footer {
    position: fixed;
    left: 24px; right: 24px; bottom: 14px;
    min-height: 48px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 18px;
    padding: 10px 14px 10px 18px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    background: rgba(11,18,32,0.68);
    color: rgba(255,255,255,0.68);
    backdrop-filter: blur(14px);
    z-index: 230;
}
.site-footer__summary {
    display: flex; align-items: baseline; gap: 10px;
    min-width: 0;
}
.site-footer__summary strong {
    color: #fff;
    font-size: 13px;
    white-space: nowrap;
}
.site-footer__summary span {
    font-size: 12px;
    color: rgba(255,255,255,0.46);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.site-footer__links {
    display: flex; align-items: center; justify-content: flex-end;
    gap: 16px;
    min-width: 0;
}
body.theme-light .site-nav,
body.theme-light .site-footer {
    border-color: rgba(15,23,42,0.1);
    background: rgba(255,255,255,0.82);
    color: rgba(15,23,42,0.7);
    box-shadow: 0 14px 34px rgba(29,43,73,0.1);
}
body.theme-light .site-nav__brand,
body.theme-light .site-footer__summary strong {
    color: var(--text-light);
}
body.theme-light .site-nav__links a,
body.theme-light .site-footer__links a {
    color: rgba(16,23,41,0.58);
}
body.theme-light .site-nav__links a:hover,
body.theme-light .site-footer__links a:hover {
    color: var(--violet);
}
body.theme-light .site-footer__summary span {
    color: rgba(16,23,41,0.42);
}

/* ---------- Navigation ---------- */
.slide-nav {
    position: fixed; right: 28px; top: 50%; transform: translateY(-50%);
    display: flex; flex-direction: column; gap: 10px; z-index: 200;
}
.nav-dot {
    width: 10px; height: 10px; border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
    background: transparent; cursor: pointer;
    transition: all 0.3s ease; padding: 0;
}
.nav-dot:hover { border-color: var(--cyan); }
.nav-dot.active {
    background: var(--cyan); border-color: var(--cyan);
    box-shadow: 0 0 8px rgba(22,199,220,0.5);
    transform: scale(1.3);
}
body.theme-light .nav-dot {
    border-color: rgba(0,0,0,0.2);
}
body.theme-light .nav-dot.active {
    background: var(--violet); border-color: var(--violet);
    box-shadow: 0 0 8px rgba(141,98,232,0.4);
}

.arrow-btn {
    position: fixed; top: 50%; transform: translateY(-50%);
    width: 44px; height: 44px; border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(8px);
    color: rgba(255,255,255,0.6);
    cursor: pointer; z-index: 200;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.3s ease;
}
.arrow-btn:hover { background: rgba(255,255,255,0.15); color: #fff; border-color: rgba(255,255,255,0.3); }
.arrow-left { left: 24px; }
.arrow-right { right: 64px; }
body.theme-light .arrow-btn {
    border-color: rgba(0,0,0,0.1);
    background: rgba(255,255,255,0.7);
    color: rgba(0,0,0,0.4);
}
body.theme-light .arrow-btn:hover {
    background: rgba(255,255,255,0.95); color: var(--violet);
    border-color: rgba(0,0,0,0.18);
}

.slide-counter {
    position: fixed; bottom: 80px; right: 28px;
    font-size: 13px; font-weight: 600; letter-spacing: 0.05em;
    color: rgba(255,255,255,0.35); z-index: 200;
    font-variant-numeric: tabular-nums;
}
.counter-sep { margin: 0 3px; }
body.theme-light .slide-counter { color: rgba(0,0,0,0.25); }

/* ---------- Slides Container ---------- */
.slides-wrapper {
    position: relative; width: 100vw; height: 100vh;
}
.slide {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
.slide.active { opacity: 1; visibility: visible; }
.slide[data-theme="light"] {
    background: var(--light);
    color: var(--text-light);
}
.slide[data-theme="dark"] {
    background: var(--dark);
    color: var(--text-dark);
}
.slide-inner {
    position: relative; z-index: 2;
    width: 100%; max-width: 1120px;
    padding: 92px 56px 86px;
    height: 100vh;
    display: flex; flex-direction: column; justify-content: center;
}

/* ---------- Animations ---------- */
.anim {
    opacity: 0; transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.anim.visible { opacity: 1; transform: translateY(0); }
.anim[data-delay="1"] { transition-delay: 0.15s; }
.anim[data-delay="2"] { transition-delay: 0.3s; }
.anim[data-delay="3"] { transition-delay: 0.45s; }
.anim[data-delay="4"] { transition-delay: 0.6s; }

/* ---------- Section Header ---------- */
.section-head { margin-bottom: 28px; }
.tag {
    display: inline-block;
    font-size: 11px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
    padding: 5px 14px; border-radius: 20px;
    background: linear-gradient(135deg, rgba(22,199,220,0.12), rgba(141,98,232,0.12));
    color: var(--cyan);
    margin-bottom: 14px;
}
[data-theme="light"] .tag {
    background: linear-gradient(135deg, rgba(22,199,220,0.08), rgba(141,98,232,0.08));
    color: var(--violet);
}
.section-head h2 {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}
.head-desc {
    font-size: 15px;
    line-height: 1.7;
    max-width: 750px;
}
[data-theme="dark"] .head-desc { color: var(--text-muted-dark); }
[data-theme="light"] .head-desc { color: var(--text-muted-light); }

/* =============================================
   SLIDE 1: COVER
   ============================================= */
.cover-gradient-bg {
    position: absolute; inset: 0; z-index: 0;
    background:
        radial-gradient(ellipse at 70% 20%, rgba(22,199,220,0.18) 0%, transparent 55%),
        radial-gradient(ellipse at 30% 80%, rgba(141,98,232,0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(59,130,246,0.06) 0%, transparent 60%);
}
.cover-grid-pattern {
    position: absolute; inset: 0; z-index: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}
.cover-layout {
    justify-content: center;
    padding-left: 8%;
}
.cover-left { max-width: 640px; }
.cover-logo {
    height: 44px; width: auto; margin-bottom: 32px;
    filter: drop-shadow(0 2px 12px rgba(22,199,220,0.3));
}
.cover-title {
    font-size: clamp(34px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #fff 30%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.cover-sub {
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255,255,255,0.65);
    margin-bottom: 24px;
}
.cover-divider {
    width: 60px; height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--violet));
    border-radius: 2px;
    margin-bottom: 16px;
}
.cover-tagline {
    font-size: 15px;
    color: rgba(255,255,255,0.45);
    font-style: italic;
    margin-bottom: 40px;
}
.cover-hint {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; color: rgba(255,255,255,0.3);
}
.hint-arrow { animation: bounceX 1.5s ease-in-out infinite; }
@keyframes bounceX {
    0%,100% { transform: translateX(0); }
    50% { transform: translateX(6px); }
}

/* =============================================
   SLIDE 2: TEAM & VALIDATION
   ============================================= */
/* Three-column layout: photo + info + validation/appendix */
.team-main-layout {
    display: flex; gap: 20px; align-items: stretch;
    flex-wrap: wrap;
}
.team-photo-col {
    flex: 0 0 180px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--light-border);
}
.team-photo-col img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center top;
}
.team-info-col {
    flex: 1 1 380px;
    display: flex; flex-direction: column; gap: 10px;
}
.team-point {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--light-card);
    border: 1px solid var(--light-border);
    border-left: 4px solid var(--cyan);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.team-point:nth-child(2) { border-left-color: var(--violet); }
.team-point:nth-child(3) { border-left-color: var(--pink); }
.team-point:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.team-point h4 { font-size: 14px; font-weight: 800; margin-bottom: 3px; color: var(--text-light); }
.team-point p { font-size: 12.5px; line-height: 1.6; color: var(--text-muted-light); }

.team-right-col {
    flex: 1 1 380px;
    display: flex; flex-direction: column; gap: 14px;
}

/* Compact validation box */
.val-section-compact {
    padding: 16px 18px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(22,199,220,0.04), rgba(141,98,232,0.04));
    border: 1px solid rgba(22,199,220,0.12);
}
.val-section-compact h4 {
    font-size: 14px; font-weight: 800; margin-bottom: 3px; color: var(--text-light);
}
.val-section-compact > p {
    font-size: 12px; line-height: 1.6; color: var(--text-muted-light); margin-bottom: 10px;
}
.val-cards-row {
    display: flex; gap: 10px; flex-wrap: wrap;
}
.val-card {
    flex: 1 1 150px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: var(--light-card);
    border: 1px solid var(--light-border);
    border-top: 3px solid var(--cyan);
}
.val-card:nth-child(2) { border-top-color: var(--violet); }
.val-card-badge {
    display: inline-block;
    font-size: 9px; font-weight: 800; letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 2px 8px; border-radius: 20px;
    background: rgba(22,199,220,0.1); color: var(--cyan);
    margin-bottom: 6px;
}
.val-card:nth-child(2) .val-card-badge {
    background: rgba(141,98,232,0.1); color: var(--violet);
}
.val-card h4 { font-size: 13px; font-weight: 800; margin-bottom: 3px; color: var(--text-light); }
.val-card p { font-size: 11.5px; line-height: 1.5; color: var(--text-muted-light); }

/* Appendix: Meta Ads AI Agent + clients */
.appendix-compact {
    padding: 16px 18px;
    border-radius: var(--radius);
    background: rgba(141,98,232,0.03);
    border: 1px solid rgba(141,98,232,0.12);
}
.appendix-compact h4 {
    font-size: 13px; font-weight: 800; margin-bottom: 4px; color: var(--text-light);
}
.appendix-compact > p {
    font-size: 12px; line-height: 1.6; color: var(--text-muted-light); margin-bottom: 10px;
}
.appendix-cases-row {
    display: flex; gap: 10px; flex-wrap: wrap;
    margin-bottom: 10px;
}
.appendix-case {
    flex: 1 1 150px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    background: var(--light-card);
    border: 1px solid var(--light-border);
    display: flex; flex-direction: column; gap: 2px;
}
.ap-metric {
    font-size: 22px; font-weight: 900; line-height: 1;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ap-label {
    font-size: 11px; font-weight: 700; color: var(--text-light);
}
.ap-client {
    font-size: 10px; color: var(--text-muted-light); margin-top: 2px;
}
.appendix-clients {
    display: flex; flex-wrap: wrap; gap: 6px;
    align-items: center;
    font-size: 11px; font-weight: 600; color: var(--text-muted-light);
}
.ap-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 11px; font-weight: 700;
    background: rgba(141,98,232,0.06);
    color: var(--violet);
    border: 1px solid rgba(141,98,232,0.12);
}


/* =============================================
   SLIDE 3: LISTING GATE
   ============================================= */
.gate-layout {
    display: flex; gap: 28px; align-items: stretch;
    flex-wrap: wrap;
}
.painpoint-box {
    flex: 1 1 340px;
    padding: 24px;
    border-radius: var(--radius);
    background: rgba(245,66,155,0.06);
    border: 1px solid rgba(245,66,155,0.15);
}
.pain-icon { font-size: 28px; display: block; margin-bottom: 12px; }
.painpoint-box h4 { font-size: 16px; font-weight: 800; margin-bottom: 10px; }
.painpoint-box p { font-size: 14px; line-height: 1.7; color: var(--text-muted-dark); }
.painpoint-box strong { color: var(--text-dark); }

.gate-cards {
    flex: 1 1 440px;
    display: flex; flex-direction: column; gap: 12px;
}
.gate-card {
    padding: 18px 20px;
    border-radius: var(--radius-sm);
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-left: 4px solid transparent;
    transition: transform 0.3s ease;
}
.gate-card:hover { transform: translateX(4px); }
.gate-card p { font-size: 13px; line-height: 1.6; color: var(--text-muted-dark); }
.gate-card strong { color: var(--text-dark); }
.gate-header {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 8px;
}
.gate-status {
    display: inline-block;
    font-size: 11px; font-weight: 900; letter-spacing: 0.1em;
    padding: 3px 12px; border-radius: 4px;
    text-transform: uppercase;
}
.gate-header h4 { font-size: 15px; font-weight: 700; }

/* Gate state colors */
.gate-pass { border-left-color: var(--green); }
.gate-pass .gate-status { background: rgba(24,185,137,0.15); color: var(--green); }
.gate-watch { border-left-color: var(--amber); }
.gate-watch .gate-status { background: rgba(245,166,35,0.15); color: var(--amber); }
.gate-fail { border-left-color: #EF4444; }
.gate-fail .gate-status { background: rgba(239,68,68,0.15); color: #EF4444; }

/* Bottom phrase bar */
.bottom-phrase {
    margin-top: 20px;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px; line-height: 1.6;
    text-align: center;
}
[data-theme="dark"] .bottom-phrase {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    color: var(--text-muted-dark);
}
[data-theme="light"] .bottom-phrase {
    background: linear-gradient(135deg, rgba(22,199,220,0.05), rgba(141,98,232,0.05));
    border: 1px solid rgba(22,199,220,0.12);
    color: var(--text-muted-light);
}
.bottom-phrase strong { color: inherit; font-weight: 700; }

/* =============================================
   SLIDE 4: BUDGET OPTIMIZATION
   ============================================= */
.budget-split {
    display: flex; gap: 28px; align-items: stretch;
    flex-wrap: wrap;
}
.budget-case-col {
    flex: 1 1 400px;
    padding: 24px;
    border-radius: var(--radius);
    background: var(--light-card);
    border: 1px solid var(--light-border);
    box-shadow: var(--shadow);
}
.case-ref-badge {
    display: inline-block;
    font-size: 10px; font-weight: 800; letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 12px; border-radius: 20px;
    background: rgba(22,199,220,0.08); color: var(--cyan);
    margin-bottom: 14px;
}
.case-ref-text {
    font-size: 13px; line-height: 1.7; color: var(--text-muted-light); margin-bottom: 16px;
}
.funnel-row {
    display: flex; align-items: center; justify-content: center;
    gap: 4px; flex-wrap: wrap;
    padding: 14px 0; margin: 0;
    border-radius: var(--radius-sm);
    background: rgba(22,199,220,0.04);
    border: 1px solid rgba(22,199,220,0.1);
}
.funnel-step { text-align: center; padding: 6px 10px; min-width: 70px; }
.funnel-val {
    display: block; font-size: 18px; font-weight: 900;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; line-height: 1.2;
}
.funnel-label { display: block; font-size: 10px; color: var(--text-muted-light); margin-top: 2px; }
.funnel-arr { color: rgba(0,0,0,0.12); font-size: 14px; flex-shrink: 0; }

.painpoint-inline {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    background: rgba(245,166,35,0.06);
    border: 1px solid rgba(245,166,35,0.12);
    font-size: 13px; line-height: 1.7;
    color: var(--text-muted-light);
    margin-bottom: 16px;
}
.painpoint-inline strong { color: var(--text-light); }

.budget-logic-col {
    flex: 1 1 340px;
    display: flex; flex-direction: column; gap: 0;
}
.bf-steps {
    display: flex; flex-direction: column; gap: 12px;
}
.bf-step {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--light-card);
    border: 1px solid var(--light-border);
    transition: transform 0.3s ease;
}
.bf-step:hover { transform: translateX(4px); }
.bf-num {
    flex-shrink: 0;
    width: 30px; height: 30px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 800; color: #fff;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
}
.bf-step h4 { font-size: 14px; font-weight: 700; margin-bottom: 3px; color: var(--text-light); }
.bf-step p { font-size: 12.5px; line-height: 1.6; color: var(--text-muted-light); }

/* =============================================
   SLIDE 5: FINE-SPREAD GOVERNANCE
   ============================================= */
.spread-split {
    display: flex; gap: 28px; align-items: stretch;
    flex-wrap: wrap;
}
.catalog-box {
    flex: 1 1 380px;
    padding: 22px;
    border-radius: var(--radius);
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
}
.case-ref-badge-dark {
    display: inline-block;
    font-size: 10px; font-weight: 800; letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 12px; border-radius: 20px;
    background: rgba(22,199,220,0.12); color: var(--cyan);
    margin-bottom: 14px;
}
.catalog-box > p {
    font-size: 13.5px; line-height: 1.7; color: var(--text-muted-dark); margin-bottom: 16px;
}
.catalog-box strong { color: var(--text-dark); }
.painpoint-inline-dark {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    background: rgba(245,66,155,0.06);
    border: 1px solid rgba(245,66,155,0.12);
    font-size: 13px; line-height: 1.7;
    color: var(--text-muted-dark);
}
.painpoint-inline-dark strong { color: var(--text-dark); }

.pools-grid {
    flex: 1 1 400px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.pool-card {
    padding: 18px;
    border-radius: var(--radius-sm);
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.pool-card:hover {
    transform: translateY(-3px);
    border-color: rgba(22,199,220,0.3);
}
.pool-icon { font-size: 24px; display: block; margin-bottom: 10px; }
.pool-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.pool-card p { font-size: 12.5px; line-height: 1.6; color: var(--text-muted-dark); }
.pool-card strong { color: var(--text-dark); }

/* =============================================
   SLIDE 6: TWO-TIER ARCHITECTURE
   ============================================= */

/* Layer label */
.arch-layer-label {
    font-size: 12px; font-weight: 700; letter-spacing: 0.04em;
    color: var(--text-muted-light);
    margin-bottom: 14px;
    padding-left: 2px;
}

/* ---- Upper: Execution Pipeline ---- */
.arch-upper {
    padding: 20px 24px;
    border-radius: var(--radius);
    background: var(--light-card);
    border: 1px solid var(--light-border);
    box-shadow: var(--shadow);
}
.pipeline-track {
    display: flex; align-items: flex-start; justify-content: center;
    flex-wrap: wrap; gap: 0;
}
.pipe-node {
    flex: 1 1 0;
    min-width: 120px; max-width: 200px;
    text-align: center;
    padding: 8px 6px;
}
.pipe-num {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 900; color: #fff;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    margin: 0 auto 10px;
    box-shadow: 0 4px 14px rgba(22,199,220,0.25);
}
.pipe-node:nth-child(3) .pipe-num { background: linear-gradient(135deg, var(--violet), var(--blue)); }
.pipe-node:nth-child(5) .pipe-num { background: linear-gradient(135deg, var(--blue), var(--violet)); }
.pipe-node:nth-child(7) .pipe-num { background: linear-gradient(135deg, var(--violet), var(--pink)); }
.pipe-node h4 { font-size: 13px; font-weight: 700; margin-bottom: 4px; color: var(--text-light); }
.pipe-node p { font-size: 11px; line-height: 1.5; color: var(--text-muted-light); }
.pipe-arrow {
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 300; color: var(--light-border);
    padding-top: 8px;
    flex-shrink: 0; width: 28px;
}

/* ---- Connector between layers ---- */
.arch-connector {
    display: flex; align-items: center; justify-content: center;
    gap: 0; padding: 10px 0;
}
.connector-line {
    flex: 1; height: 1px;
    background: linear-gradient(90deg, transparent, var(--light-border), transparent);
}
.connector-arrows {
    display: flex; gap: 20px; padding: 0 16px;
    flex-shrink: 0;
}
.conn-up, .conn-down {
    font-size: 11px; font-weight: 700; letter-spacing: 0.03em;
    padding: 4px 14px;
    border-radius: 20px;
}
.conn-up {
    background: rgba(22,199,220,0.08); color: var(--cyan);
}
.conn-down {
    background: rgba(141,98,232,0.08); color: var(--violet);
}

/* ---- Lower: Foundation Layer ---- */
.arch-lower {
    padding: 20px 24px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(22,199,220,0.03), rgba(141,98,232,0.03));
    border: 1px solid rgba(22,199,220,0.12);
}
.foundation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.found-card {
    display: flex; gap: 12px; align-items: flex-start;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: var(--light-card);
    border: 1px solid var(--light-border);
    border-top: 3px solid var(--cyan);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.found-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.found-casecard { border-top-color: var(--violet); }
.found-audit { border-top-color: var(--pink); }
.found-icon {
    flex-shrink: 0; font-size: 24px; margin-top: 2px;
}
.found-body h4 { font-size: 13px; font-weight: 800; margin-bottom: 2px; color: var(--text-light); }
.found-role {
    display: inline-block;
    font-size: 10px; font-weight: 700; letter-spacing: 0.06em;
    padding: 2px 8px; border-radius: 4px;
    margin-bottom: 6px;
}
.found-knowledge .found-role { background: rgba(22,199,220,0.08); color: var(--cyan); }
.found-casecard .found-role { background: rgba(141,98,232,0.08); color: var(--violet); }
.found-audit .found-role { background: rgba(245,66,155,0.08); color: var(--pink); }
.found-body p { font-size: 11.5px; line-height: 1.6; color: var(--text-muted-light); }


/* =============================================
   SLIDE 7: CORE TRAITS
   ============================================= */
.traits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px; margin-bottom: 28px;
}
.trait-card {
    padding: 24px;
    border-radius: var(--radius);
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-left: 4px solid var(--cyan);
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.trait-card:nth-child(2) { border-left-color: var(--violet); }
.trait-card:nth-child(3) { border-left-color: var(--pink); }
.trait-card:nth-child(4) { border-left-color: var(--green); }
.trait-card:hover {
    transform: translateY(-3px);
}
.trait-icon { font-size: 28px; margin-bottom: 12px; }
.trait-card h4 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.trait-card p { font-size: 13.5px; line-height: 1.65; color: var(--text-muted-dark); }

.stats-row {
    display: flex; align-items: center; justify-content: center; gap: 0;
    padding: 24px 32px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(22,199,220,0.06), rgba(141,98,232,0.06));
    border: 1px solid rgba(22,199,220,0.12);
}
.stat-item {
    flex: 1; text-align: center;
    display: flex; flex-direction: column; align-items: center;
}
.stat-val {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 900;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.stat-unit {
    font-size: 16px; font-weight: 600;
    color: var(--text-muted-dark);
    margin-top: 2px;
}
.stat-label {
    font-size: 12px; color: var(--text-muted-dark);
    margin-top: 4px;
}
.stat-divider {
    width: 1px; height: 50px;
    background: var(--dark-border);
    margin: 0 20px;
    flex-shrink: 0;
}

/* =============================================
   SLIDE 8: SERVICE MODE
   ============================================= */
.service-split {
    display: flex; gap: 28px; align-items: stretch;
    flex-wrap: wrap;
}
.service-features {
    flex: 1 1 450px;
    display: flex; flex-direction: column; gap: 12px;
}
.sv-feature {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    background: var(--light-card);
    border: 1px solid var(--light-border);
    border-left: 4px solid var(--cyan);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.sv-feature:nth-child(2) { border-left-color: var(--violet); }
.sv-feature:nth-child(3) { border-left-color: var(--pink); }
.sv-feature:nth-child(4) { border-left-color: var(--green); }
.sv-feature:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.sv-icon {
    flex-shrink: 0;
    font-size: 22px;
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(22,199,220,0.08);
}
.sv-feature:nth-child(2) .sv-icon { background: rgba(141,98,232,0.08); }
.sv-feature:nth-child(3) .sv-icon { background: rgba(245,66,155,0.08); }
.sv-feature:nth-child(4) .sv-icon { background: rgba(24,185,137,0.08); }
.sv-feature h4 { font-size: 14px; font-weight: 700; margin-bottom: 3px; color: var(--text-light); }
.sv-feature p { font-size: 12.5px; line-height: 1.6; color: var(--text-muted-light); }

.rollout-timeline {
    flex: 1 1 320px;
    display: flex; flex-direction: column; gap: 12px;
}
.rt-item {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: var(--light-card);
    border: 1px solid var(--light-border);
    border-top: 3px solid var(--cyan);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.rt-item:nth-child(2) { border-top-color: var(--violet); }
.rt-item:nth-child(3) { border-top-color: var(--pink); }
.rt-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.rt-marker {
    flex-shrink: 0;
    width: 30px; height: 30px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 800; color: #fff;
}
.rt-item:nth-child(1) .rt-marker { background: linear-gradient(135deg, var(--cyan), var(--blue)); }
.rt-item:nth-child(2) .rt-marker { background: linear-gradient(135deg, var(--violet), var(--pink)); }
.rt-item:nth-child(3) .rt-marker { background: linear-gradient(135deg, var(--pink), var(--amber)); }
.rt-content h4 { font-size: 13px; font-weight: 700; margin-bottom: 3px; color: var(--text-light); }
.rt-content p { font-size: 12px; line-height: 1.6; color: var(--text-muted-light); margin-bottom: 6px; }
.rt-time {
    display: inline-block;
    font-size: 10px; font-weight: 700;
    padding: 2px 10px; border-radius: 20px;
    background: rgba(22,199,220,0.08); color: var(--cyan);
}
.rt-item:nth-child(2) .rt-time { background: rgba(141,98,232,0.08); color: var(--violet); }
.rt-item:nth-child(3) .rt-time { background: rgba(245,66,155,0.08); color: var(--pink); }

/* =============================================
   SLIDE 9: CONCLUSION / CTA
   ============================================= */
.conclusion-box {
    max-width: 720px;
    margin: 0 auto;
    padding: 36px 40px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    text-align: center;
}
.conclusion-box h3 {
    font-size: 20px; font-weight: 900;
    color: #fff; margin-bottom: 20px;
}
.four-things {
    text-align: left; max-width: 580px; margin: 0 auto 24px;
    display: flex; flex-direction: column; gap: 10px;
}
.four-things .thing {
    display: flex; gap: 10px; align-items: flex-start;
    font-size: 14.5px; line-height: 1.65; color: #CBD5E1;
}
.thing-icon {
    flex-shrink: 0; font-size: 18px; margin-top: 1px;
}
.thing strong { color: #fff; font-weight: 700; }
.closing-line {
    font-size: 16px; font-weight: 700;
    background: linear-gradient(135deg, var(--cyan), var(--violet), var(--pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 28px;
    line-height: 1.6;
}
.cta-contacts {
    display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}
.cta-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px; font-weight: 600;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none; cursor: pointer;
}
.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22,199,220,0.3);
}
.cta-btn-alt {
    background: linear-gradient(135deg, var(--violet), var(--pink));
}
.cta-btn-alt:hover { box-shadow: 0 6px 20px rgba(141,98,232,0.3); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
    .site-nav { left: 14px; right: 14px; top: 12px; }
    .site-nav__links { gap: 12px; overflow-x: auto; justify-content: flex-start; padding-bottom: 2px; }
    .site-nav__links::-webkit-scrollbar { display: none; }
    .site-nav__brand img { width: 78px; }
    .site-nav__brand span { display: none; }
    .site-footer { left: 14px; right: 14px; bottom: 10px; }
    .site-footer__summary span { display: none; }
    .site-footer__links { gap: 12px; overflow-x: auto; justify-content: flex-start; }
    .site-footer__links::-webkit-scrollbar { display: none; }
    .slide-inner { padding: 90px 28px 76px; }
    .cover-layout { padding-left: 5%; }
    .arrow-left { left: 12px; }
    .arrow-right { right: 48px; }
    .slide-nav { right: 14px; }
    .slide-counter { bottom: 70px; }
    .team-main-layout, .gate-layout, .budget-split, .spread-split, .service-split { flex-direction: column; }
    .pools-grid { grid-template-columns: 1fr; }
    .traits-grid { grid-template-columns: 1fr; }
    .foundation-grid { grid-template-columns: 1fr; }
    .pipeline-track { gap: 4px; }
    .pipe-arrow { width: 20px; font-size: 14px; }
}
@media (max-width: 600px) {
    .site-nav {
        align-items: stretch;
        gap: 10px;
        padding: 8px 10px;
    }
    .site-nav__links a,
    .site-footer__links a { font-size: 12px; }
    .site-nav__cta { display: none; }
    .site-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
        padding: 8px 10px;
    }
    .site-footer__summary strong { font-size: 12px; }
    .slide-inner { padding: 92px 18px 92px; }
    .pipeline-track { flex-direction: column; align-items: center; }
    .pipe-arrow { width: auto; height: 20px; padding: 0; transform: rotate(90deg); }
    .pipe-node { max-width: 100%; min-width: 0; }
    .arch-connector { flex-direction: column; gap: 6px; }
    .connector-line { width: 100%; height: 1px; }
    .connector-arrows { flex-direction: column; gap: 6px; padding: 0; }
    .stats-row { flex-direction: column; gap: 16px; padding: 20px; }
    .stat-divider { width: 50px; height: 1px; margin: 0; }
    .val-cards-row { flex-direction: column; }
    .conclusion-box { padding: 24px 20px; }
}