:root{
  --bg:#0f172a; /* slate-900 */
  --brand:#10b981; /* emerald-500 */
  --text:#0f172a;
  --muted:#475569; /* slate-600 */
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;color:var(--text);background:#f8fafc;line-height:1.6}
html {scroll-behavior: smooth;}
.container{max-width:1140px;margin:0 auto;padding:0 20px}

/* =========================
   Hero
   ========================= */
.hero{background:linear-gradient(135deg,#0f172a,#0b3b2d);color:#fff;padding:80px 0;text-align:left}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(16,185,129,0.15);color:#a7f3d0;border:1px solid rgba(16,185,129,0.35);padding:6px 10px;border-radius:999px;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
h1{font-size:40px;margin:16px 0 10px}
.subtitle{color:#e2e8f0;max-width:720px}

/* =========================
   Buttons (polish)
   ========================= */
.cta{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:12px;padding:12px 16px;font-weight:600;text-decoration:none;transition:transform .06s ease, box-shadow .15s ease, background-color .2s ease, border-color .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid transparent; box-shadow:0 0 0 3px rgba(16,185,129,.35)}
.btn-primary{background:var(--brand);color:#06251c;box-shadow:0 6px 16px rgba(16,185,129,.25)}
.btn-primary:hover{background:#0fb07b}
.btn-primary:active{background:#0cae73}
.btn-ghost{border:1px solid rgba(255,255,255,0.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.06)}

/* =========================
   Layout & Cards
   ========================= */
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:18px}
.kicker{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:12px;margin-bottom:6px}
h2{font-size:28px;margin:6px 0 16px}
ul{padding-left:18px;margin:8px 0}
.section{padding:56px 0}
footer{border-top:1px solid #e2e8f0;padding:24px 0;color:var(--muted)}
@media (max-width:900px){
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
}

/* =========================
   Forms
   ========================= */
label{display:block;font-weight:600;margin:8px 0 6px}
input,textarea{width:100%;border:1px solid #e2e8f0;border-radius:12px;padding:10px 12px;transition:border-color .15s ease, box-shadow .15s ease}
input:focus, textarea:focus{outline:none;border-color:#94d9c0; box-shadow:0 0 0 3px rgba(16,185,129,.18)}
.form-row{display:grid;gap:12px;grid-template-columns:1fr 1fr}
.submit{margin-top:12px}
.small{color:var(--muted);font-size:14px}
.contact-card{display:flex;flex-direction:column;gap:6px}

/* =========================
   Gallery (clickable cards)
   ========================= */
.gallery img{width:100%;border-radius:12px;border:1px solid #e2e8f0;display:block}
.gallery .card.dash { display:block; text-decoration:none; color:inherit; padding:0; overflow:hidden; position:relative }
.gallery .card.dash img { width:100%; display:block; border-radius:12px; border:1px solid #e2e8f0; transition:transform .2s ease }
.gallery .card.dash .caption { padding:10px 4px; font-weight:600; color:#0f172a }
.gallery .card.dash:hover img { transform:scale(1.01) }

/* Hover overlay hint */
.gallery .card.dash .overlay{
  position:absolute; inset:0; display:flex; align-items:flex-end; justify-content:flex-start;
  background:linear-gradient(to top, rgba(15,23,42,.45), rgba(15,23,42,0) 55%);
  opacity:0; transition:opacity .18s ease-in-out; padding:10px; border-radius:12px;
}
.gallery .card.dash:hover .overlay{ opacity:1 }
.gallery .card.dash .overlay .overlay-text{ color:#fff; font-weight:700; font-size:14px; text-shadow:0 1px 2px rgba(0,0,0,.35) }

/* =========================
   About Me
   ========================= */
.about-grid{ align-items:center; }
.about-photo{ display:flex; align-items:center; justify-content:center; }
.about-photo img{
  width:100%;
  max-width:360px;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:9999px;
  border:1px solid #e2e8f0;
  box-shadow:0 6px 18px rgba(2,6,23,.06);
}
.about-bio ul{ margin-top:8px; }
.about-cta{ display:flex; gap:12px; flex-wrap:wrap; margin-top:12px; }

@media (max-width:900px){
  .about-photo img{ max-width:260px; margin:0 auto; }
}

/* =========================
   Hook: styling + animation
   ========================= */
.hook{
  font-size:44px;
  margin-bottom:16px;
  text-align:center;
  line-height:1.3;
  color:#ffffff;
  font-style:italic;
}
.hook .highlight {
  color: var(--brand);
  font-weight: 600;
}
.animate-hook{
  opacity:0;
  transform:translateY(20px);
  animation:fadeSlideIn 1.2s ease forwards;
}
@keyframes fadeSlideIn{
  to{ opacity:1; transform:translateY(0); }
}

/* =========================
   BI Explainer (no React)
   ========================= */
.bi-exp{
  position:relative;
  overflow:hidden;
  border:1px solid #e2e8f0;
  border-radius:16px;
  background:linear-gradient(135deg,#0f172a,#111827 70%);
  padding:18px;
  color:#fff;
  min-height:280px;
}
.bi-exp .slide{ display:none; opacity:0; transform:translateY(10px); }
.bi-exp .slide.active{ display:block; animation:biFadeUp .6s ease-out forwards; }
@keyframes biFadeUp{ to{ opacity:1; transform:none; } }

.bi-row{ display:grid; gap:16px; grid-template-columns:1fr 1fr; align-items:center; }
@media (max-width:900px){ .bi-row{ grid-template-columns:1fr; } }

.bi-copy h3{ font-size:24px; margin:0 0 6px; display:flex; align-items:center; gap:8px }
.bi-copy p{ color:#cbd5e1; margin:6px 0 0 }

.bi-pills{ display:flex; gap:8px; margin-top:10px; flex-wrap:wrap }
.bi-pill{ padding:6px 10px; border-radius:999px; background:rgba(16,185,129,.1);
          border:1px solid rgba(16,185,129,.5); color:#a7f3d0; font-size:12px; }

.bi-card{ background:#0b1628; border:1px solid rgba(16,185,129,.35); border-radius:12px; padding:12px; box-shadow:0 10px 24px rgba(0,0,0,.3) }

.bi-kpis{ display:flex; gap:10px; flex-wrap:wrap; margin-top:10px }
.bi-kpi{ background:#0b1628; border:1px solid rgba(16,185,129,.35); border-radius:10px; padding:8px 10px; min-width:110px }
.bi-kpi .k-label{ color:#a7f3d0; font-size:12px }
.bi-kpi .k-val{ color:#34d399; font-weight:800; font-size:16px }

.bi-bars{ display:flex; gap:6px; align-items:flex-end; height:90px; margin-top:12px }
.bi-bar{ flex:1; background:rgba(16,185,129,.18); border:1px solid rgba(16,185,129,.35);
         border-radius:6px; transition:transform .4s ease }
.bi-bar:hover{ transform:translateY(-2px) }

/* Captions */
.bi-caption{
  position:absolute; left:12px; right:12px; bottom:12px;
  background:rgba(0,0,0,.5); border:1px solid rgba(255,255,255,.15);
  border-radius:10px; padding:8px 10px; display:none;
}
.bi-caption.show{ display:block; }
.bi-cap-title{ color:#a7f3d0; font-weight:700; font-size:14px }
.bi-cap-line{ color:#fff; font-size:14px }

/* Explainer controls row lives in HTML; buttons use .btn styles */

/* ====== Richer explainer visuals ====== */
.sheet-stack {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  perspective: 700px;
}

.sheet {
  background: #0b1220;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 10px;
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(0,0,0,.25);
}

.sheet-chaos-1 { transform: rotate(-2.5deg) translateY(6px); opacity: .95; }
.sheet-chaos-2 { transform: rotate(3deg) translateY(-4px); opacity: .85; }
.sheet-clean   { transform: none; }

.sheet table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  color: #e5e7eb;
}

.sheet th, .sheet td {
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 6px 8px;
  text-align: right;
  white-space: nowrap;
}
.sheet th { text-align: left; color: #a7f3d0; font-weight: 700; background: rgba(16,185,129,.06); }
.sheet tr:nth-child(even) td { background: rgba(255,255,255,.02); }

/* emphasis cells */
.bad    { color: #fca5a5; background: rgba(239,68,68,.1); }
.good   { color: #86efac; background: rgba(16,185,129,.08); }
.warn   { color: #fde68a; background: rgba(234,179,8,.08); }

/* little flags inside cells */
.flag   { font-size: 10px; padding: 2px 6px; border-radius: 999px; border: 1px solid currentColor; }
.flag.bad  { color: #f87171; }
.flag.good { color: #34d399; }
.flag.warn { color: #fbbf24; }

/* bars + sparkline */
.mini-bars {
  display: flex; align-items: flex-end; gap: 6px; height: 72px; margin-top: 10px;
}
.mini-bars .bar {
  width: 12px; border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, rgba(16,185,129,.9), rgba(16,185,129,.18));
  border: 1px solid rgba(16,185,129,.45);
}
.sparkline {
  width: 100%; height: 60px; margin-top: 10px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(2,6,23,.4), rgba(15,23,42,.55));
  border: 1px solid rgba(255,255,255,.08);
}

/* KPI tiles */
.kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 10px; }
.kpi-tile {
  background:#0b1628; border:1px solid rgba(16,185,129,.35); border-radius:12px; padding:10px;
}
.kpi-tile .k-label { color:#a7f3d0; font-size:12px; }
.kpi-tile .k-val   { color:#34d399; font-weight:800; font-size:18px; }

/* Consultant icon (pure SVG wrapper) */
.consultant {
  display:flex; flex-direction: column; align-items:center; gap:8px;
  color: #a7f3d0; font-size: 13px;
}
.consultant svg {
  width: 96px; height: 96px;
  filter: drop-shadow(0 10px 22px rgba(0,0,0,.25));
}

/* Darker text just for slides 2 and 5 */
.explainer-slide.s2 .explainer-copy p,
.explainer-slide.s5 .explainer-copy p {
  color: #1e293b; /* slate-800, darker for readability */
  font-weight: 500;
}

.explainer-slide.s2 .explainer-copy h3,
.explainer-slide.s5 .explainer-copy h3 {
  color: #0f172a; /* slate-900 heading, almost black */
}

/* ---------- Readability overrides for slides 2 & 5 ---------- */
.explainer-slide.s2 .explainer-copy h3,
.explainer-slide.s5 .explainer-copy h3 {
  color: #0f172a;   /* slate-900 */
}
.explainer-slide.s2 .explainer-copy p,
.explainer-slide.s5 .explainer-copy p {
  color: #1e293b;   /* slate-800 */
  font-weight: 600;
}

/* ---------- Sharper spreadsheet / dashboard visuals ---------- */
.sheet {
  background: #0b1220;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  overflow: hidden;
}

.sheet table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: #0f172a;
  color: #e5e7eb;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 8px;
  overflow: hidden;
}

.sheet thead th {
  background: #0b1220;
  color: #cbd5e1;
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.sheet tbody td {
  padding: 7px 10px;
  border-bottom: 1px solid rgba(255,255,255,.05);
}

.sheet tbody tr:nth-child(odd) td {
  background: rgba(255,255,255,0.02);
}

.flag { 
  display: inline-block; 
  padding: 2px 6px; 
  border-radius: 999px; 
  font-size: 11px; 
  font-weight: 700; 
}
.flag.bad  { background:#fecaca; color:#7f1d1d; }
.flag.warn { background:#fde68a; color:#92400e; }
.flag.good { background:#bbf7d0; color:#14532d; }

.good { color:#34d399; }
.bad  { color:#f87171; }
.warn { color:#fbbf24; }

/* Mini bars for quick trend feel */
.mini-bars {
  display: flex; gap: 6px; align-items: flex-end; height: 84px; margin-top: 10px;
}
.mini-bars .bar { width: 12px; background:#10b981; border-radius: 6px 6px 0 0; }

/* KPI tiles */
.kpis {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 10px;
}
.kpi-tile { 
  background:#0f172a; border:1px solid rgba(255,255,255,.08); 
  border-radius:10px; padding:10px; 
}
.k-label { color:#cbd5e1; font-size:12px; }
.k-val   { color:#34d399; font-size:18px; font-weight:800; }

/* BI Consultant block */
.consultant {
  display:flex; flex-direction:column; align-items:center; gap:10px;
  background:#0b1220; border:1px solid rgba(255,255,255,.08); border-radius:12px; padding:14px;
}
.consultant .bi-pills { display:flex; gap:8px; flex-wrap:wrap; }
.consultant .bi-pill  { 
  background: rgba(16,185,129,.15); 
  border:1px solid rgba(16,185,129,.4);
  color:#a7f3d0; font-weight:700; font-size:12px; padding:4px 8px; border-radius:999px;
}

/* Stacked-chaos look for slide 2 */
.sheet-stack { position: relative; }
.sheet-chaos-1 { transform: rotate(-2.5deg); }
.sheet-chaos-2 { transform: rotate(3deg); }

/* Caption title/line tweaks for readability */
.bi-cap-title { color:#a7f3d0; font-weight:700; margin-bottom:2px; }
.bi-cap-line  { color:#f8fafc; }

/* Slide 5 readability override */
.explainer-slide.s5 .explainer-copy h3,
.explainer-slide.s5 .explainer-copy p {
  color: #0f172a;   /* slate-900 like Slide 2 */
  font-weight: 600;
}

.explainer-slide.s5 .explainer-illus div {
  color: #0f172a !important; /* ensure Clarity → Action text is dark */
}

/* Slide 5 override — match Slide 2 dark theme */
.explainer-slide.s5 {
  background: linear-gradient(135deg, #0f172a, #1e293b); /* dark gradient like Slide 2 */
  color: #ffffff; /* light text for readability */
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px;
}
.explainer-slide.s5 h3,
.explainer-slide.s5 p {
  color: #ffffff; /* ensure headings and body copy are light */
}


/* Slide 5 caption should be pure white */
.explainer-slide.s5 .explainer-illus .cta-line {
    .explainer-slide.s5 h3,
.explainer-slide.s5 p,
  color: #ffffff !important;
}

/* Slide 5 — match Slide 2 look/format */
.explainer-slide.s5 {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #f1f5f9;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px;
}

/* Centered, single-column layout like the consultant card */
.explainer-slide.s5 .explainer-flex {
  grid-template-columns: 1fr;    /* one column */
  text-align: center;
}

/* Ensure title + line are white and readable */
.explainer-slide.s5 .explainer-copy h3,
.explainer-slide.s5 .explainer-copy p {
  color: #ffffff;
}

/* Reuse the badge row style used on Slide 2, but make the pill solid emerald + white text */
.bi-pills { display:flex; gap:8px; flex-wrap:wrap; justify-content:center; }
.bi-pill  { 
  background: rgba(16,185,129,.15); 
  border:1px solid rgba(16,185,129,.4);
  color:#a7f3d0; 
  font-weight:700; 
  font-size:14px; 
  padding:4px 10px; 
  border-radius:999px; 
}

/* Slide 5 variant: solid emerald + white text */
.explainer-slide.s5 .bi-pill {
  background: #10b981;
  border-color: #10b981;
  color: #ffffff;
}

/* FAQ Section */
.faq-section {
  padding: 60px 20px;
  background: #f9fafb;
}

.faq-section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 30px;
}

.faq-item {
  margin-bottom: 15px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 10px;
}

.faq-question {
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 10px;
  cursor: pointer;
  color: #111827;
}

.faq-answer {
  display: none;
  padding: 0 10px 10px;
  font-size: 1rem;
  color: #374151;
}

.faq-item.active .faq-answer {
  display: block;


}

/* =========================
   Secure Upload Section (gradient + watermark + animated lock)
   ========================= */
#upload {
  position: relative;
  background: linear-gradient(135deg, #064e3b, #10b981);
  border-radius: 20px;
  padding: 56px 20px;
  margin-top: 40px;
  text-align: center;
  color: #fff;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
  overflow: hidden;
}

/* Subtle shield watermark in the corner */
#upload::before {
  content: "";
  position: absolute;
  top: 20px;
  right: 20px;
  width: 120px;
  height: 120px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white' opacity='0.08'><path d='M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm0 2.18L18.6 6.1V11c0 4.29-2.96 8.49-6.6 9.9C8.36 19.49 5.4 15.29 5.4 11V6.1L12 3.18zm-1 6.32a2 2 0 0 0-2 2v2a2 2 0 0 0 4 0v-2a2 2 0 0 0-2-2z'/></svg>") no-repeat center;
  background-size: contain;
  pointer-events: none;
}

/* Animated lock icon above the title */
.lock-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
  color: #ffffff;
}
.lock-icon svg {
  transform-origin: center top;
  animation: lockClose 1.2s ease forwards;
}
@keyframes lockClose {
  0%   { transform: scaleY(0.4) translateY(-12px); opacity: 0; }
  60%  { transform: scaleY(1.1) translateY(  2px); opacity: 1; }
  100% { transform: scaleY(1)   translateY(  0);   opacity: 1; }
}

/* Title and text layering above the watermark */
#upload h2,
#upload .subtitle,
#upload .btn-primary,
#upload .small {
  position: relative;
  z-index: 1;
}

#upload h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

#upload .subtitle {
  color: #e0f2f1;
  margin-bottom: 20px;
}

#upload .btn-primary {
  background: #fff;
  color: #064e3b;
  border: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  transition: background .3s, color .3s, transform .15s ease;
}
#upload .btn-primary:hover {
  background: #f0fdf4;
  color: #047857;
  transform: translateY(-1px);
}

#upload .small {
  color: #e0f2f1;
  margin-top: 12px;
}

/* Keep the existing #upload styles you added earlier */

/* Space buttons nicely on one line (wrap on mobile) */
.upload-cta {
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Outline button (secondary CTA) */
.btn-outline {
  border: 1px solid rgba(255,255,255,.7);
  color: #ffffff;
  background: transparent;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background .25s ease, transform .15s ease;
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  transform: translateY(-1px);
}

/* Collapsible details */
.upload-details {
  margin-top: 14px;
  text-align: left;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.upload-details > summary {
  cursor: pointer;
  list-style: none;
  color: #e0f2f1;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 10px;
  padding: 10px 12px;
  transition: background .25s ease;
}
.upload-details > summary:hover {
  background: rgba(255,255,255,.08);
}
.upload-details > div {
  margin-top: 10px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 12px;
  color: #e6fffb;
}
.upload-details ul {
  margin: 0;
  padding-left: 18px;
}
.upload-details li {
  margin: 6px 0;
}