/* ==========================================================================
   qify — S/4HANA hub & sub-pages
   Component CSS for hero variants, problem-cards, phase-timeline,
   impact-grid, experts-band, hub-grid, related, callout, footer-cta.
   Loaded AFTER /styles-v2.css.
   Dark-mode is enforced via <body class="dark"> on all s4hana pages.
   Site-wide nav (qnav) and footer (qfoot) are NOT redefined here —
   they come from /styles-v2.css.
   ========================================================================== */

.s4-container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- HERO ---------- */
.s4-hero{padding:72px 0 88px;position:relative;overflow:hidden;background:linear-gradient(180deg,#F4F8FC 0%,#fff 100%)}
.s4-hero.accent-brownfield{background:linear-gradient(180deg,#E6F4FB 0%,#fff 100%)}
.s4-hero.accent-process{background:linear-gradient(180deg,#F4F8FC 0%,#fff 100%)}
.s4-hero.accent-code{background:#0F3A6D;color:#fff}
.s4-hero.accent-code h1{color:#fff}
.s4-hero.accent-code .eyebrow{color:#53C8EB}
.s4-hero.accent-code .s4-hero-stat{background:rgba(255,255,255,.08);border-color:rgba(92,197,209,.25);color:#CCE9F7}
.s4-hero.accent-code .s4-hero-stat b{color:#fff}
.s4-hero.accent-readiness{background:linear-gradient(135deg,#F4F8FC 0%,#E6F4FB 100%)}
.s4-hero-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;position:relative;z-index:2}
.s4-hero .eyebrow{display:block;margin-bottom:14px}
.s4-hero h1{font-size:clamp(2.2rem,3.8vw,3.4rem);line-height:1.08;color:#1C5090;margin:0 0 20px;font-weight:700;letter-spacing:-.02em}
.s4-hero h1 em{font-style:normal;color:#33A8DF}
.s4-hero-lead{font-size:18px;line-height:1.6;color:#3C4A5E;margin:0 0 28px;max-width:540px}
.s4-hero.accent-code .s4-hero-lead{color:#CCE9F7}
.s4-hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#1C5090,#33A8DF);color:#fff;font-weight:600;font-size:15px;padding:14px 28px;border-radius:999px;text-decoration:none;box-shadow:0 10px 24px rgba(51,168,223,.35);border:0;cursor:pointer;font-family:inherit;transition:all .25s cubic-bezier(.22,1,.36,1)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#1C5090;border:1.5px solid #1C5090;font-weight:600;font-size:15px;padding:12px 24px;border-radius:999px;text-decoration:none;cursor:pointer;font-family:inherit}
.btn-secondary:hover{background:#F4F8FC}
.accent-code .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.accent-code .btn-secondary:hover{background:rgba(255,255,255,.08)}
.s4-hero-stat{display:inline-flex;align-items:center;gap:10px;margin-top:28px;background:#fff;padding:10px 18px;border-radius:999px;box-shadow:0 2px 6px rgba(28,80,144,.08);border:1px solid #E5EDF5;font-size:14px;color:#3C4A5E;font-weight:500}
.s4-hero-stat b{color:#1C5090;font-size:15px;margin-right:2px;font-variant-numeric:tabular-nums}
.s4-hero-illu{position:relative;aspect-ratio:1.05/1}
.s4-hero-illu svg{width:100%;height:100%}

/* ---------- SECTIONS (s4 namespace, separate from live .section) ---------- */
.s4-section{padding:88px 0}
.s4-section.alt{background:#F4F8FC}
.s4-section.dark{background:#0F3A6D;color:#fff}
.s4-section.dark h2,.s4-section.dark h3{color:#fff}
.s4-section.dark .eyebrow{color:#53C8EB}
.s4-section.dark p{color:#CCE9F7}
.s4-section-head{text-align:center;margin-bottom:48px;max-width:720px;margin-left:auto;margin-right:auto}
.s4-section-head .eyebrow{display:block;margin-bottom:10px}
.s4-section-head h2{margin:0 0 14px}
.s4-section-head p{font-size:17px;line-height:1.6;color:#3C4A5E;margin:0}
.s4-section.dark .s4-section-head p{color:#CCE9F7}

/* ---------- PROBLEM CARDS ---------- */
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.problem-card{background:#fff;border:1px solid #E5EDF5;border-radius:16px;padding:28px;transition:all .25s cubic-bezier(.22,1,.36,1)}
.problem-card:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(28,80,144,.12);border-color:#CEDDEF}
.problem-card .ico{width:44px;height:44px;border-radius:12px;background:rgba(51,168,223,.12);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.problem-card .ico svg{width:22px;height:22px;stroke:#1C5090;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.problem-card h3{margin:0 0 8px;font-size:19px}
.problem-card p{margin:0;font-size:14px;color:#3C4A5E;line-height:1.6}

/* ---------- PHASE TIMELINE ---------- */
.phases{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;align-items:start}
.phase{position:relative;padding:0 12px;text-align:center;min-width:0}
.phase .num{width:44px;height:44px;border-radius:50%;background:#fff;border:2px solid #33A8DF;color:#1C5090;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;position:relative;z-index:2;box-shadow:0 4px 14px rgba(28,80,144,.1);font-family:var(--font-mono);font-size:15px}
.phase.active .num{background:linear-gradient(135deg,#1C5090,#33A8DF);color:#fff;border-color:transparent}
.phase h4{margin:0 0 6px;font-size:15px;color:#1C5090;word-break:break-word}
.phase p{margin:0;font-size:13px;line-height:1.5;color:#6B7A90}
.phases::before{content:"";position:absolute;left:8%;right:8%;top:22px;height:2px;background:linear-gradient(90deg,#1C5090,#33A8DF,#5CC5D1);opacity:.4;z-index:1}
.s4-section.dark .phase .num{background:#0F3A6D;border-color:#53C8EB;color:#53C8EB}
.s4-section.dark .phase h4{color:#fff}
.s4-section.dark .phase p{color:#9DBEE1}

/* ---------- IMPACT GRID (business / tech) ---------- */
.impact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.impact-col{background:#fff;border-radius:20px;padding:32px;box-shadow:0 4px 14px rgba(28,80,144,.08)}
.impact-col.biz{background:linear-gradient(180deg,#F4F8FC 0%,#fff 100%);border:1px solid #CEDDEF}
.impact-col.tech{background:linear-gradient(180deg,#0F3A6D 0%,#1C5090 100%);color:#fff}
.impact-col h3{margin:0 0 6px;font-size:22px}
.impact-col.tech h3{color:#fff}
.impact-col .eyebrow{display:block;margin-bottom:10px}
.impact-col.tech .eyebrow{color:#53C8EB}
.impact-col ul{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-direction:column;gap:14px}
.impact-col li{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.55}
.impact-col .check{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:rgba(51,168,223,.15);display:flex;align-items:center;justify-content:center;margin-top:1px}
.impact-col.tech .check{background:rgba(83,200,235,.18)}
.impact-col .check svg{width:11px;height:11px;stroke:#1C5090;stroke-width:2.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.impact-col.tech .check svg{stroke:#53C8EB}
.impact-col.biz li{color:#3C4A5E}
.impact-col.tech li{color:#CCE9F7}
.impact-col li b{color:#1C5090;font-weight:600}
.impact-col.tech li b{color:#fff}

/* ---------- EXPERTS BAND ---------- */
.experts-band{background:linear-gradient(135deg,#1C5090 0%,#33A8DF 100%);border-radius:24px;padding:48px;color:#fff;display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:center;position:relative;overflow:hidden}
.experts-band::before{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(92,197,209,.35) 0%,rgba(92,197,209,0) 70%)}
.experts-band h2{color:#fff;margin:0 0 12px;font-size:32px;letter-spacing:-.02em}
.experts-band p{margin:0 0 20px;color:#CCE9F7;font-size:16px;line-height:1.6;max-width:440px}
.experts-band .btn-primary{background:#fff;color:#1C5090;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.experts-band .btn-primary:hover{background:#F4F8FC}
.experts-stack{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px}
.exp-pill{background:rgba(255,255,255,.12);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:14px 18px;display:flex;align-items:center;gap:12px}
.exp-pill .av{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#5CC5D1,#33A8DF);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px;flex-shrink:0;color:#fff}
.exp-pill .info{flex:1;min-width:0}
.exp-pill .n{font-weight:600;font-size:14px;color:#fff}
.exp-pill .r{font-size:11px;color:#CCE9F7}
.exp-pill .m{font-family:var(--font-mono);font-size:12px;font-weight:600;color:#53C8EB}

/* ---------- QUOTE ---------- */
.quote-block{max-width:880px;margin:0 auto;text-align:center;padding:0 32px}
.quote-block .mark{font-size:80px;line-height:1;color:#33A8DF;font-family:Georgia,serif;display:block;margin-bottom:-20px}
.quote-block blockquote{font-size:clamp(20px,2.2vw,26px);line-height:1.45;color:#1C5090;font-weight:500;margin:0 0 24px;letter-spacing:-.01em}
.quote-block cite{font-style:normal;font-size:14px;color:#6B7A90;display:block}
.quote-block cite b{color:#1C5090;display:block;margin-bottom:2px}

/* ---------- HUB CARDS (s4hana hub page) ---------- */
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.hub-grid.featured{grid-template-columns:2fr 1fr 1fr;margin-bottom:20px}
.hub-card{background:#fff;border:1px solid #E5EDF5;border-radius:18px;padding:28px;text-decoration:none;display:flex;flex-direction:column;gap:14px;transition:all .25s cubic-bezier(.22,1,.36,1);position:relative;overflow:hidden}
.hub-card:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(28,80,144,.15);border-color:#CEDDEF}
.hub-card.feat{background:linear-gradient(135deg,#1C5090,#33A8DF);color:#fff;border:0;grid-row:span 1;padding:40px}
.hub-card.feat::before{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(92,197,209,.35),transparent 70%)}
.hub-card.dark{background:#0F3A6D;color:#fff;border:0}
.hub-card .tag{display:inline-block;align-self:flex-start;background:rgba(51,168,223,.15);color:#1C5090;font-weight:600;font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:999px}
.hub-card.feat .tag,.hub-card.dark .tag{background:rgba(255,255,255,.15);color:#fff}
.hub-card h3{margin:0;font-size:22px;color:#1C5090;letter-spacing:-.01em}
.hub-card.feat h3,.hub-card.dark h3{color:#fff;font-size:26px}
.hub-card p{margin:0;color:#3C4A5E;font-size:14px;line-height:1.6;flex:1}
.hub-card.feat p,.hub-card.dark p{color:#CCE9F7}
.hub-card .arrow{margin-top:auto;display:flex;align-items:center;gap:8px;color:#33A8DF;font-size:13px;font-weight:600}
.hub-card.feat .arrow,.hub-card.dark .arrow{color:#fff}
.hub-card .arrow svg{width:16px;height:16px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s}
.hub-card:hover .arrow svg{transform:translateX(4px)}

/* ---------- KICKER (hub hero) ---------- */
.kicker{background:#0F3A6D;color:#fff;padding:72px 0 64px;position:relative;overflow:hidden}
.kicker::before{content:"";position:absolute;right:-120px;top:-80px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(51,168,223,.3),transparent 70%)}
.kicker::after{content:"";position:absolute;left:-80px;bottom:-100px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(92,197,209,.2),transparent 70%)}
.kicker-inner{position:relative;z-index:1;max-width:740px}
.kicker h1{color:#fff;margin:0 0 16px;font-size:clamp(36px,4.4vw,56px);line-height:1.05;letter-spacing:-.02em}
.kicker h1 em{font-style:normal;color:#53C8EB}
.kicker p{color:#CCE9F7;font-size:18px;line-height:1.6;margin:0 0 24px;max-width:600px}
.kicker .eyebrow{color:#53C8EB;display:block;margin-bottom:12px}

/* ---------- RELATED ---------- */
.related{margin-top:16px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{background:#fff;border:1px solid #E5EDF5;border-radius:14px;padding:20px;text-decoration:none;transition:all .2s}
.related-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(28,80,144,.1);border-color:#CEDDEF}
.related-card .tag{font-size:11px;font-weight:600;color:#33A8DF;letter-spacing:.08em;text-transform:uppercase}
.related-card h4{margin:6px 0 0;font-size:15px;color:#1C5090}

/* ---------- CALLOUT (process change CTA) ---------- */
.callout{background:linear-gradient(135deg,#E6F4FB 0%,#F4F8FC 100%);border:1px solid #CCE9F7;border-radius:20px;padding:36px;display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center}
.callout .big{font-family:var(--font-mono);font-size:56px;font-weight:700;color:#1C5090;letter-spacing:-.04em;font-variant-numeric:tabular-nums;line-height:1}
.callout .mid h4{margin:0 0 4px;font-size:18px;color:#1C5090}
.callout .mid p{margin:0;font-size:14px;color:#3C4A5E}

/* ---------- S4 FAQ (scoped, doesn't conflict with site .faq) ---------- */
.s4-faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.s4-faq{background:#fff;border:1px solid #E5EDF5;border-radius:14px;padding:22px 24px}
.s4-faq summary{cursor:pointer;font-weight:600;color:#1C5090;font-size:16px;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px}
.s4-faq summary::-webkit-details-marker{display:none}
.s4-faq summary::after{content:"+";font-size:22px;color:#33A8DF;font-weight:300;transition:transform .2s}
.s4-faq[open] summary::after{content:"−"}
.s4-faq p{margin:14px 0 0;color:#3C4A5E;font-size:14px;line-height:1.65}

/* ---------- FOOTER CTA BAND (page-end, not site footer) ---------- */
.s4-footer-cta{background:#0F3A6D;color:#fff;padding:72px 0;text-align:center;position:relative;overflow:hidden}
.s4-footer-cta::before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(51,168,223,.25) 0%,rgba(51,168,223,0) 60%)}
.s4-footer-cta h2{color:#fff;margin:0 0 14px;font-size:clamp(28px,3.2vw,40px);letter-spacing:-.02em;position:relative;z-index:1}
.s4-footer-cta p{font-size:17px;color:#CCE9F7;max-width:620px;margin:0 auto 32px;line-height:1.6;position:relative;z-index:1}
.s4-footer-cta .btn-primary{position:relative;z-index:1;background:#fff;color:#1C5090}

.s4-muted{color:#6B7A90}

/* ==========================================================================
   DARK MODE OVERRIDES (active when <body class="dark">)
   ========================================================================== */
body.dark .s4-hero{background:radial-gradient(1100px 540px at 80% -10%,rgba(83,200,235,.18),transparent 60%),radial-gradient(900px 420px at 0% 100%,rgba(28,80,144,.18),transparent 60%),#050B17;color:#fff}
body.dark .s4-hero h1{color:#fff}
body.dark .s4-hero h1 em{color:#33A8DF;font-weight:700}
body.dark .s4-hero-lead{color:#9DBEE1}
body.dark .s4-hero-stat{background:rgba(15,30,55,.6);border:1px solid rgba(83,200,235,.18);color:#9DBEE1}
body.dark .s4-hero-stat b{color:#5CC5D1}
body.dark .btn-secondary{background:transparent;color:#5CC5D1;border:1.5px solid rgba(83,200,235,.4)}
body.dark .btn-secondary:hover{background:rgba(83,200,235,.08);border-color:#5CC5D1}
body.dark .s4-section{background:#0A1628}
body.dark .s4-section.alt{background:#0F1E2E}
body.dark .s4-section.dark{background:#040810}
body.dark .s4-section-head h2{color:#fff}
body.dark .s4-section-head p{color:#9DBEE1}
body.dark .problem-card{background:rgba(15,30,55,.5);border:1px solid rgba(83,200,235,.14);color:#D6DEEC}
body.dark .problem-card h3{color:#fff}
body.dark .problem-card p{color:#9DBEE1}
body.dark .problem-card .ico{background:rgba(51,168,223,.18)}
body.dark .problem-card .ico svg{stroke:#5CC5D1}
body.dark .problem-card:hover{border-color:rgba(83,200,235,.3);box-shadow:0 14px 40px rgba(51,168,223,.18)}
body.dark .impact-col.biz{background:linear-gradient(180deg,rgba(15,30,55,.6),rgba(8,18,38,.7));border:1px solid rgba(83,200,235,.14)}
body.dark .impact-col.biz h3{color:#fff}
body.dark .impact-col.biz li{color:#D6DEEC}
body.dark .impact-col.biz li b{color:#5CC5D1}
body.dark .impact-col.biz .check{background:rgba(83,200,235,.18)}
body.dark .impact-col.biz .check svg{stroke:#5CC5D1}
body.dark .impact-col.tech{background:linear-gradient(180deg,#0A1628,#04101F);border:1px solid rgba(83,200,235,.18)}
body.dark .s4-faq{background:rgba(15,30,55,.4);border:1px solid rgba(83,200,235,.12)}
body.dark .s4-faq summary{color:#fff}
body.dark .s4-faq[open] summary{color:#5CC5D1}
body.dark .s4-faq p{color:#9DBEE1}
body.dark .related-card{background:rgba(15,30,55,.5);border:1px solid rgba(83,200,235,.14)}
body.dark .related-card h4{color:#fff}
body.dark .related-card .tag{color:#5CC5D1}
body.dark .related-card:hover{border-color:rgba(83,200,235,.3);box-shadow:0 8px 24px rgba(51,168,223,.18)}
body.dark .s4-footer-cta{background:#040810;border-top:1px solid rgba(83,200,235,.12)}
body.dark .s4-footer-cta .btn-primary{background:linear-gradient(135deg,#1C5090,#33A8DF);color:#fff}
body.dark .phases::before{background:linear-gradient(90deg,#33A8DF,#5CC5D1);opacity:.5}
body.dark .phase .num{background:#0A1628;border-color:#33A8DF;color:#5CC5D1}
body.dark .phase.active .num{background:linear-gradient(135deg,#1C5090,#33A8DF);color:#fff;border-color:transparent;box-shadow:0 0 0 4px rgba(51,168,223,.18)}
body.dark .phase h4{color:#fff}
body.dark .phase p{color:#9DBEE1}
body.dark .experts-band{background:linear-gradient(135deg,#0A1628 0%,#1C5090 100%);border:1px solid rgba(83,200,235,.18)}
body.dark .callout{background:linear-gradient(135deg,rgba(15,30,55,.7),rgba(28,80,144,.4));border:1px solid rgba(83,200,235,.18)}
body.dark .callout .big{color:#5CC5D1}
body.dark .callout .mid h4{color:#fff}
body.dark .callout .mid p{color:#9DBEE1}
body.dark .quote-block blockquote{color:#fff}
body.dark .quote-block cite{color:#9DBEE1}
body.dark .quote-block cite b{color:#5CC5D1}
body.dark .hub-card{background:rgba(15,30,55,.5);border:1px solid rgba(83,200,235,.14)}
body.dark .hub-card h3{color:#fff}
body.dark .hub-card p{color:#9DBEE1}
body.dark .hub-card .tag{background:rgba(51,168,223,.15);color:#5CC5D1}
body.dark .hub-card:hover{border-color:rgba(83,200,235,.3);box-shadow:0 14px 40px rgba(51,168,223,.18)}

/* ---------- RESPONSIVE ---------- */
@media (max-width:880px){
  .s4-hero-inner{grid-template-columns:1fr;gap:32px}
  .s4-hero-illu{max-width:420px;margin:0 auto}
  .problem-grid{grid-template-columns:1fr;gap:16px}
  .phases{grid-template-columns:1fr;gap:24px}
  .phases::before{display:none}
  .impact-grid{grid-template-columns:1fr}
  .experts-band{grid-template-columns:1fr;padding:32px}
  .hub-grid,.hub-grid.featured{grid-template-columns:1fr;gap:14px}
  .related-grid{grid-template-columns:1fr}
  .callout{grid-template-columns:1fr;text-align:center}
  .s4-section{padding:64px 0}
  .s4-container{padding:0 20px}
}
