/* ==========================================================
   Sugirda Dinakar — Product Portfolio
   Minimal, data-driven. Navy / slate / one blue accent.
   All text colors meet WCAG AA (4.5:1) against their backgrounds.
   ========================================================== */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --navy-950: #071528;
  --navy-900: #0b1f3a;
  --navy-800: #13294b;
  --navy-700: #1d3a63;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-300: #93c5fd;   /* accent text on navy: 9:1 */
  --blue-100: #dbeafe;
  --blue-50:  #eff5ff;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-600: #475569;  /* muted text: 7.6:1 on white, 7.2:1 on slate-50 */
  --slate-400: #94a3b8;  /* decorative only */
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;
  --on-dark: #d5dde8;    /* body text on navy: 12:1 */
  --on-dark-muted: #aab8cb; /* secondary text on navy: 8:1 */
  --white: #ffffff;
  --green-600: #059669;

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow: 0 2px 4px rgba(15, 23, 42, .04), 0 12px 32px rgba(15, 23, 42, .08);
  --shadow-lg: 0 4px 8px rgba(15, 23, 42, .05), 0 24px 48px rgba(15, 23, 42, .12);
  --max: 1160px;
  --nav-h: 68px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-h) + 24px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17.5px;
  line-height: 1.7;
  color: var(--slate-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-700); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px; text-decoration-thickness: 1.5px; transition: color .15s, text-decoration-color .15s; }
a:hover { text-decoration-color: currentColor; }
h1, h2, h3, h4 { color: var(--slate-900); line-height: 1.18; margin: 0 0 .55em; letter-spacing: -.022em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); font-weight: 750; }
h3 { font-size: 1.22rem; font-weight: 700; }
p { margin: 0 0 1.1em; }
ul { padding-left: 1.2em; }
li { margin-bottom: .5em; }
strong { color: var(--slate-900); font-weight: 650; }
:focus-visible { outline: 3px solid var(--blue-600); outline-offset: 3px; border-radius: 6px; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.narrow { max-width: 780px; }
.section { padding: 120px 0; }
.section--tight { padding: 80px 0; }
.section--tint { background: var(--slate-50); border-top: 1px solid var(--slate-200); border-bottom: 1px solid var(--slate-200); }
.section--dark { background: var(--navy-900); color: var(--on-dark); }
.section--dark h2, .section--dark h3, .section--dark strong { color: var(--white); }
.eyebrow {
  display: inline-block;
  font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--blue-700); margin-bottom: 14px;
}
.section--dark .eyebrow { color: var(--blue-300); }
.lead { font-size: 1.22rem; line-height: 1.65; color: var(--slate-600); max-width: 680px; }
.section--dark .lead { color: var(--on-dark); }
.section-head { margin-bottom: 64px; max-width: 740px; }
.muted { color: var(--slate-600); }
.skip-link { position: absolute; left: -9999px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link:focus { left: 16px; top: 12px; z-index: 100; background: var(--white); padding: 8px 12px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--slate-200);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; color: var(--slate-900); letter-spacing: -.01em; text-decoration: none; }
.brand:hover { color: var(--slate-900); }
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--navy-900); color: var(--white); font-size: .85rem; font-weight: 800;
  transition: transform .2s var(--ease), background .15s;
}
.brand:hover .brand-mark { transform: rotate(-6deg); background: var(--blue-700); }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links li { margin: 0; }
.nav-links a {
  display: block; padding: 8px 14px; border-radius: var(--radius-sm);
  color: var(--slate-600); font-weight: 550; font-size: .95rem; text-decoration: none;
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--slate-900); background: var(--slate-100); }
.nav-links a[aria-current="page"] { color: var(--navy-900); background: var(--blue-50); }
.nav-links .btn { margin-left: 8px; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--slate-300); border-radius: var(--radius-sm);
  width: 42px; height: 42px; cursor: pointer; color: var(--slate-900); transition: background .15s;
}
.nav-toggle:hover { background: var(--slate-100); }
.nav-toggle svg { margin: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: var(--radius-sm);
  font-weight: 650; font-size: .98rem; line-height: 1.3; border: 1px solid transparent; cursor: pointer;
  text-decoration: none; font-family: inherit;
  transition: background .15s, border-color .15s, color .15s, transform .15s var(--ease), box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); text-decoration: none; }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn svg { transition: transform .2s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: var(--navy-900); color: var(--white); }
.btn-primary:hover { background: var(--navy-700); color: var(--white); }
.btn-secondary { background: var(--white); color: var(--slate-900); border-color: var(--slate-300); }
.btn-secondary:hover { border-color: var(--slate-600); color: var(--slate-900); }
.nav-links a.btn-primary { color: var(--white); padding: 9px 16px; }
.nav-links a.btn-primary:hover { background: var(--navy-700); color: var(--white); }
.nav-links a.btn-primary[aria-current="page"] { background: var(--navy-700); color: var(--white); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Hero ---------- */
.hero { padding: 112px 0 88px; }
.hero-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 72px; align-items: center; }
.hero h1 span { color: var(--blue-600); }
.hero .lead { margin-bottom: 36px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 32px; font-size: .92rem; color: var(--slate-600); }
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta .hero-email { display: inline-flex; align-items: center; gap: 7px; font-weight: 650; color: var(--blue-700); }
.hero-meta .hero-email svg { flex: none; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green-600); display: inline-block; box-shadow: 0 0 0 3px rgba(5,150,105,.15); }

.headshot {
  aspect-ratio: 4 / 5; width: 100%; max-width: 380px; margin-left: auto;
  border-radius: 22px; overflow: hidden;
  background: var(--navy-900);
  position: relative;
  box-shadow: var(--shadow-lg);
}
.headshot img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.headshot .badge {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
  background: rgba(255,255,255,.97); border-radius: 10px; padding: 12px 14px;
  font-size: .85rem; color: var(--slate-700); line-height: 1.45;
  box-shadow: var(--shadow-sm);
}
.headshot .badge strong { display: block; color: var(--slate-900); font-size: .95rem; }

/* ---------- Metrics band ---------- */
.metrics-band { background: var(--navy-900); border-radius: 22px; padding: 12px; box-shadow: var(--shadow-lg); }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric { padding: 32px 28px; border-right: 1px solid rgba(255,255,255,.1); }
.metric:last-child { border-right: 0; }
.metric-value { font-size: clamp(2.2rem, 3.6vw, 3rem); font-weight: 800; color: var(--white); letter-spacing: -.035em; line-height: 1.05; white-space: nowrap; }
.metric-value .arrow { color: var(--blue-300); font-weight: 600; font-size: .7em; margin: 0 .1em; position: relative; top: -.08em; }
.metric-value .from { color: var(--on-dark-muted); font-weight: 700; font-size: .62em; }
.metric-label { font-size: 1rem; color: var(--white); font-weight: 600; margin-top: 12px; line-height: 1.4; }
.metric-ctx { font-size: .86rem; color: var(--on-dark-muted); margin-top: 6px; line-height: 1.5; }
.metric-src { display: inline-block; font-size: .72rem; color: var(--blue-300); margin-top: 14px; text-transform: uppercase; letter-spacing: .09em; font-weight: 700; }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.1); border-radius: 12px; overflow: hidden; margin-top: 4px; }
.stat-row div { background: var(--navy-950); padding: 18px 28px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.stat-row b { color: var(--white); font-size: 1.35rem; font-weight: 800; letter-spacing: -.02em; }
.stat-row span { color: var(--on-dark-muted); font-size: .88rem; line-height: 1.35; }

/* ---------- Cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.card {
  background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--radius);
  padding: 32px; display: flex; flex-direction: column;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--slate-600); font-size: 1rem; margin-bottom: 0; }
.card-icon {
  width: 42px; height: 42px; border-radius: 10px; background: var(--blue-50); color: var(--blue-700);
  display: grid; place-items: center; margin-bottom: 20px;
}

/* Case study cards */
.case-card {
  padding: 0; overflow: hidden; color: inherit; text-decoration: none; position: relative;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s, box-shadow .25s var(--ease), transform .25s var(--ease);
}
.case-card:hover, .case-card:focus-within { border-color: var(--slate-300); box-shadow: var(--shadow-lg); transform: translateY(-4px); color: inherit; }
.case-card .card-link { color: inherit; text-decoration: none; }
.case-card .card-link::after { content: ""; position: absolute; inset: 0; z-index: 2; border-radius: var(--radius); }
.case-card .card-link:focus-visible { outline: none; }
.case-card:has(.card-link:focus-visible) { outline: 3px solid var(--blue-600); outline-offset: 3px; }
.case-top {
  position: relative; padding: 28px 28px 24px; color: var(--white); overflow: hidden;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(59,130,246,.28), transparent 60%),
    linear-gradient(160deg, var(--navy-800), var(--navy-950));
}
.case-top::after { /* faint grid texture */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, #000, transparent 85%);
}
.case-top > * { position: relative; z-index: 1; }
.case-top .tag { color: var(--blue-300); font-size: .72rem; letter-spacing: .11em; text-transform: uppercase; font-weight: 700; }
.case-top .big { font-size: 3rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; margin-top: 18px; }
.case-top .big-label { font-size: .92rem; color: var(--on-dark); margin-top: 6px; }

.mini-viz { margin-top: 22px; display: grid; gap: 8px; }
.mini-viz .row { display: grid; grid-template-columns: 54px 1fr 44px; align-items: center; gap: 10px; font-size: .75rem; color: var(--on-dark-muted); }
.mini-viz .row b { color: var(--white); font-weight: 700; text-align: right; }
.mini-viz .track { height: 8px; border-radius: 999px; background: rgba(255,255,255,.1); overflow: hidden; }
.mini-viz .fill { display: block; height: 100%; border-radius: 999px; background: var(--on-dark-muted); transform-origin: left; transition: transform .6s var(--ease); }
.mini-viz .fill.after { background: var(--blue-300); }
.case-card:hover .mini-viz .fill.after { transform: scaleX(1.04); }
.mini-steps { margin-top: 22px; display: flex; align-items: flex-end; gap: 6px; height: 56px; }
.mini-steps span { flex: 1; border-radius: 4px 4px 0 0; background: rgba(147,197,253,.35); transition: background .2s; }
.mini-steps span:last-child, .case-card:hover .mini-steps span { background: var(--blue-300); }
.mini-steps.narrowing { align-items: center; height: 56px; }
.mini-steps.narrowing span { border-radius: 4px; }
.mini-steps-label { display: flex; justify-content: space-between; font-size: .75rem; color: var(--on-dark-muted); margin-top: 6px; }

.case-body { padding: 26px 28px 28px; display: flex; flex-direction: column; flex: 1; }
.case-meta { font-size: .8rem; font-weight: 650; color: var(--slate-600); letter-spacing: .02em; margin-bottom: 10px; }
.case-card h3 { color: var(--slate-900); font-size: 1.2rem; margin-bottom: 10px; }
.case-card .case-body p { margin-bottom: 18px; }
.case-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0 0 22px; padding: 0; list-style: none; }
.case-stats li { margin: 0; background: var(--slate-50); border: 1px solid var(--slate-200); border-radius: 10px; padding: 10px 12px; font-size: .8rem; color: var(--slate-600); line-height: 1.35; }
.case-stats li b { display: block; color: var(--slate-900); font-size: 1.05rem; font-weight: 800; letter-spacing: -.02em; margin-bottom: 2px; }
.read { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-weight: 650; color: var(--blue-700); font-size: .95rem; }
.read svg { transition: transform .2s var(--ease); }
.case-card:hover .read svg, .case-card:focus-within .read svg { transform: translateX(4px); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 16px; padding: 0; list-style: none; }
.chips li { margin: 0; font-size: .82rem; font-weight: 600; color: var(--slate-700); background: var(--slate-100); padding: 5px 11px; border-radius: 999px; }

/* ---------- Highlights list ---------- */
.highlights { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--slate-200); }
.highlights li { display: grid; grid-template-columns: 200px 1fr; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--slate-200); margin: 0; align-items: baseline; }
.highlights .hl-num { font-size: 2rem; font-weight: 800; color: var(--navy-900); letter-spacing: -.03em; line-height: 1.1; }
.highlights .hl-text strong { color: var(--slate-900); display: block; font-size: 1.05rem; margin-bottom: 2px; }
.highlights .hl-text span { color: var(--slate-600); font-size: .98rem; }

/* ---------- Global delivery ---------- */
.thread { display: grid; grid-template-columns: repeat(4, 1fr); border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,.12); }
.thread-step { padding: 28px; border-right: 1px solid rgba(255,255,255,.12); }
.thread-step:last-child { border-right: 0; }
.thread-step .yr { font-size: .78rem; color: var(--blue-300); font-weight: 700; letter-spacing: .09em; }
.thread-step h3 { font-size: 1.08rem; margin: 8px 0 10px; }
.thread-step p { font-size: .95rem; margin: 0; color: var(--on-dark); }
.thread-note { margin: 14px 0 0; font-size: .86rem; color: var(--on-dark-muted); }
.thread-step h3 { font-variant-numeric: tabular-nums; }
.thread-callout { margin-top: 40px; padding: 28px 32px; border-left: 3px solid var(--blue-300); background: rgba(255,255,255,.05); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--on-dark); font-size: 1.05rem; }
.thread-callout strong { color: var(--white); }
.practices { margin-top: 56px; }
.practices h3 { font-size: 1.08rem; }
.practices p { color: var(--on-dark); font-size: .98rem; margin: 0; }

/* ---------- Timeline ---------- */
.timeline { list-style: none; padding: 0; margin: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--slate-200); }
.timeline li { position: relative; padding: 0 0 40px 44px; margin: 0; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { content: ""; position: absolute; left: 0; top: 7px; width: 16px; height: 16px; border-radius: 50%; background: var(--white); border: 3px solid var(--blue-600); }
.timeline li.past::before { border-color: var(--slate-400); }
.timeline .when { font-size: .84rem; font-weight: 650; color: var(--slate-600); letter-spacing: .02em; }
.timeline h3 { margin: 4px 0 6px; font-size: 1.12rem; }
.timeline h3 .org { color: var(--slate-600); font-weight: 600; }
.timeline p { margin: 0; color: var(--slate-600); font-size: .98rem; }
.timeline a { font-weight: 600; }

/* ---------- CTA band ---------- */
.cta { background: var(--navy-900); color: var(--on-dark); border-radius: 22px; padding: 64px; display: flex; justify-content: space-between; align-items: center; gap: 40px; flex-wrap: wrap; }
.cta h2 { color: var(--white); margin-bottom: 10px; }
.cta p { margin: 0; max-width: 540px; }
.cta .btn-primary { background: var(--white); color: var(--navy-900); }
.cta .btn-primary:hover { background: var(--blue-50); color: var(--navy-900); }
.cta .btn-secondary { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.cta .btn-secondary:hover { border-color: var(--white); color: var(--white); }

/* ---------- Spacing & type utilities (8px scale) ---------- */
.mt-lg { margin-top: 32px; }
.page-title { font-size: clamp(2.1rem, 4.2vw, 3rem); }
.section--flush-top { padding-top: 0; }
.grid-2.grid-wide { gap: 72px; }
.edu { margin-top: 24px; }
.highlights.compact { margin-top: 24px; }
.highlights.compact li { grid-template-columns: 96px 1fr; gap: 24px; padding: 20px 0; }
.highlights.compact .hl-num { font-size: 1.25rem; }
.table-note { margin-top: 24px; }
.math .note { font-size: .92rem; color: var(--slate-600); }
.form-card { padding: 40px; }
.form-card h2 { font-size: 1.45rem; }
.form-intro { font-size: .98rem; color: var(--slate-600); margin-bottom: 24px; }

/* ---------- About: human at the core ---------- */
.page-title .accent { color: var(--blue-600); }
.human-card { gap: 0; }
.human-tag { display: inline-block; align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--blue-700); background: var(--blue-50); padding: 4px 10px; border-radius: 999px; margin-bottom: 16px; }
.human-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.human-card h3 em { font-style: italic; }
.philosophy { margin: 64px auto 0; max-width: 820px; text-align: center; }
.philosophy-lead { font-size: 1.15rem; color: var(--slate-600); line-height: 1.65; margin-bottom: 22px; }
.philosophy-line { font-size: clamp(1.35rem, 2.6vw, 1.75rem); font-weight: 750; color: var(--slate-900); line-height: 1.35; letter-spacing: -.015em; margin: 0; }
.philosophy-line span { color: var(--blue-600); }

/* ---------- About: how I work lists ---------- */
.work-lists .card h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .08em; color: var(--slate-600); margin-bottom: 18px; }
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { position: relative; padding: 0 0 0 30px; margin-bottom: 16px; color: var(--slate-700); font-size: 1rem; line-height: 1.6; }
.check-list li:last-child { margin-bottom: 0; }
.check-list li::before { content: ""; position: absolute; left: 2px; top: .45em; width: 12px; height: 7px; border-left: 2px solid var(--blue-600); border-bottom: 2px solid var(--blue-600); transform: rotate(-45deg); }

/* ---------- Social proof strip ---------- */
.proof { padding: 56px 0 0; }
.proof .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 40px; }
.proof-label { margin: 0; font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--slate-600); width: 100%; }
.proof-list { display: flex; flex-wrap: wrap; gap: 12px 36px; list-style: none; margin: 0; padding: 0; }
.proof-list li { margin: 0; font-size: 1.2rem; font-weight: 750; color: var(--slate-600); letter-spacing: -.01em; }
.proof-creds { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.proof-creds li { margin: 0; display: inline-flex; align-items: center; gap: 8px; font-size: .86rem; font-weight: 600; color: var(--slate-700); background: var(--slate-50); border: 1px solid var(--slate-200); padding: 7px 12px; border-radius: 999px; }
.proof-creds svg { color: var(--blue-700); flex: none; }

.after-cases { margin: 40px 0 0; text-align: center; color: var(--slate-600); }
.after-cases a { font-weight: 650; }

/* ---------- Testimonials (shown once real quotes are added) ---------- */
.quotes { align-items: stretch; }
.quote-card { margin: 0; background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; gap: 20px; box-shadow: var(--shadow-sm); transition: border-color .2s, box-shadow .25s var(--ease); }
.quote-card:hover { border-color: var(--slate-300); box-shadow: var(--shadow); }
.quote-mark { color: var(--blue-600); opacity: .9; }
.quote-card blockquote { margin: 0; font-size: 1.02rem; color: var(--slate-900); line-height: 1.7; flex: 1; }
.quote-card figcaption { display: flex; align-items: center; gap: 14px; padding-top: 20px; border-top: 1px solid var(--slate-200); }
.quote-card figcaption strong { display: block; font-size: .98rem; }
.quote-card figcaption > span:last-child > span { display: block; font-size: .86rem; color: var(--slate-600); line-height: 1.45; }
.avatar { width: 44px; height: 44px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--navy-900); color: var(--white); font-size: .82rem; font-weight: 750; letter-spacing: .02em; }

/* ---------- Hiring-manager CTA ---------- */
.hire { background: var(--navy-900); color: var(--on-dark); border-radius: 22px; padding: 64px; box-shadow: var(--shadow-lg);
  background-image: radial-gradient(70% 90% at 100% 0%, rgba(59,130,246,.22), transparent 60%); }
.hire .eyebrow { color: var(--blue-300); }
.hire h2 { color: var(--white); }
.hire-head { max-width: 680px; }
.hire-head p { font-size: 1.1rem; margin: 0; }
.hire-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin: 44px 0; padding: 36px 0; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
.hire-grid h3 { color: var(--white); font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.hire-grid ul { list-style: none; padding: 0; margin: 0; }
.hire-grid li { position: relative; padding-left: 26px; margin-bottom: 12px; color: var(--on-dark); }
.hire-grid li::before { content: ""; position: absolute; left: 0; top: .5em; width: 12px; height: 7px; border-left: 2px solid var(--blue-300); border-bottom: 2px solid var(--blue-300); transform: rotate(-45deg); }
.hire .btn-primary { background: var(--white); color: var(--navy-900); }
.hire .btn-primary:hover { background: var(--blue-50); color: var(--navy-900); }
.hire .btn-secondary { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.hire .btn-secondary:hover { border-color: var(--white); color: var(--white); }
.hire--compact { padding: 40px 44px; display: flex; justify-content: space-between; align-items: center; gap: 28px; flex-wrap: wrap; }
.hire--compact h2 { font-size: 1.45rem; margin-bottom: 6px; }
.hire--compact p { margin: 0; max-width: 520px; }

/* ---------- Scroll reveal (added by main.js; skipped when reduced motion is on) ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal .mini-viz .fill { transform: scaleX(0); }
.reveal.in .mini-viz .fill { transform: scaleX(1); transition-delay: .25s; }
.reveal .mini-steps span { transform: scaleY(0); transform-origin: bottom; transition: transform .5s var(--ease), background .2s; }
.reveal.in .mini-steps span { transform: scaleY(1); }
.reveal.in .mini-steps span:nth-child(2) { transition-delay: .08s; }
.reveal.in .mini-steps span:nth-child(3) { transition-delay: .16s; }
.reveal.in .mini-steps span:nth-child(4) { transition-delay: .24s; }
.reveal.in .mini-steps span:nth-child(5) { transition-delay: .32s; }
.hero .hero-grid > div:first-child > * { animation: rise .7s var(--ease) both; }
.hero .hero-grid > div:first-child > :nth-child(2) { animation-delay: .06s; }
.hero .hero-grid > div:first-child > :nth-child(3) { animation-delay: .12s; }
.hero .hero-grid > div:first-child > :nth-child(4) { animation-delay: .18s; }
.hero .hero-grid > div:first-child > :nth-child(5) { animation-delay: .24s; }
.hero .headshot { animation: rise .8s var(--ease) .1s both; }
.cs-hero .container > * { animation: rise .6s var(--ease) both; }
.cs-hero .container > :nth-child(2) { animation-delay: .04s; }
.cs-hero .container > :nth-child(3) { animation-delay: .08s; }
.cs-hero .container > :nth-child(4) { animation-delay: .12s; }
.cs-hero .container > :nth-child(5) { animation-delay: .16s; }
.js .headshot img { opacity: 0; transform: scale(1.03); transition: opacity .7s var(--ease), transform 1.2s var(--ease); }
.js .headshot img.loaded { opacity: 1; transform: none; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Case study page ---------- */
.cs-hero { padding: 88px 0 64px; border-bottom: 1px solid var(--slate-200); }
.breadcrumb { font-size: .9rem; color: var(--slate-600); margin-bottom: 24px; }
.breadcrumb a { color: var(--slate-600); }
.breadcrumb a:hover { color: var(--blue-700); }
.cs-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.1rem); max-width: 900px; }
.cs-hero .lead { max-width: 760px; }
.cs-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin: 48px 0 0; padding-top: 32px; border-top: 1px solid var(--slate-200); }
.cs-facts dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; color: var(--slate-600); }
.cs-facts dd { margin: 6px 0 0; color: var(--slate-900); font-weight: 600; font-size: 1rem; }

.cs-results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.result { background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.result .before-after { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.result .from { font-size: 1.2rem; font-weight: 700; color: var(--slate-600); text-decoration: line-through; text-decoration-thickness: 2px; text-decoration-color: var(--slate-400); }
.result .arrow { color: var(--slate-600); }
.result .to { font-size: 2.5rem; font-weight: 800; color: var(--navy-900); letter-spacing: -.035em; line-height: 1.05; }
.result .what { margin-top: 10px; font-size: .95rem; color: var(--slate-600); line-height: 1.5; }

.bar { height: 10px; background: var(--slate-100); border-radius: 999px; overflow: hidden; margin-top: 16px; }
.bar + .bar { margin-top: 8px; }
.bar span { display: block; height: 100%; background: var(--blue-600); border-radius: 999px; }
.bar.before span { background: var(--slate-400); }
.bar-label { display: flex; justify-content: space-between; font-size: .8rem; color: var(--slate-600); margin-top: 6px; }

.cs-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 72px; }
.cs-toc { position: sticky; top: calc(var(--nav-h) + 40px); align-self: start; font-size: .9rem; }
.cs-toc p { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; color: var(--slate-600); margin-bottom: 12px; }
.cs-toc ol { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--slate-200); }
.cs-toc li { margin: 0; }
.cs-toc a { display: block; padding: 7px 0 7px 16px; color: var(--slate-600); margin-left: -2px; border-left: 2px solid transparent; text-decoration: none; transition: color .15s, border-color .15s; }
.cs-toc a:hover { color: var(--slate-900); border-left-color: var(--slate-400); }
.cs-toc a.active { color: var(--blue-700); border-left-color: var(--blue-600); font-weight: 650; }
.cs-body { max-width: 760px; }
.cs-body section { margin-bottom: 72px; }
.cs-body h2 { font-size: 1.7rem; margin-bottom: .7em; }
.cs-body h3 { margin-top: 1.6em; }
.cs-body ul li::marker { color: var(--blue-600); }

.glance { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--slate-200); border-radius: var(--radius); overflow: hidden; margin-bottom: 72px; }
.glance div { padding: 24px; border-right: 1px solid var(--slate-200); }
.glance div:last-child { border-right: 0; background: var(--blue-50); }
.glance h3 { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--slate-600); margin: 0 0 10px; }
.glance div:last-child h3 { color: var(--blue-700); }
.glance p { margin: 0; font-size: .97rem; color: var(--slate-700); line-height: 1.6; }

.people { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 8px; }
.person { border: 1px solid var(--slate-200); border-radius: var(--radius-sm); padding: 18px 20px; }
.person.me { border-color: var(--blue-100); background: var(--blue-50); }
.person h3 { margin: 0 0 4px; font-size: 1rem; }
.person p { margin: 0; font-size: .93rem; color: var(--slate-600); line-height: 1.55; }

.decision { border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 18px; background: var(--white); }
.decision h3 { margin: 0 0 10px; font-size: 1.08rem; }
.decision p { margin-bottom: 0; }
.decision .tradeoff { font-size: .95rem; color: var(--slate-600); margin: 14px 0 0; padding-top: 14px; border-top: 1px dashed var(--slate-300); }
.decision .tradeoff strong { color: var(--slate-900); }

.steps { counter-reset: step; list-style: none; padding: 0; margin-top: 28px; }
.steps li { counter-increment: step; position: relative; padding-left: 52px; margin-bottom: 22px; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 8px; background: var(--navy-900); color: var(--white); font-weight: 750; display: grid; place-items: center; font-size: .9rem; }

.quote { border-left: 3px solid var(--blue-600); padding: 4px 0 4px 22px; margin: 28px 0; font-size: 1.15rem; color: var(--slate-900); font-weight: 550; }

.pipeline { display: flex; align-items: stretch; gap: 8px; flex-wrap: wrap; margin: 24px 0; }
.pipeline .stage { flex: 1 1 120px; background: var(--slate-50); border: 1px solid var(--slate-200); border-radius: var(--radius-sm); padding: 14px; font-size: .86rem; line-height: 1.45; color: var(--slate-600); }
.pipeline .stage strong { display: block; color: var(--slate-900); font-size: .92rem; margin-bottom: 2px; }
.pipeline .stage.key { background: var(--blue-50); border-color: var(--blue-100); }
.pipeline .sep { align-self: center; color: var(--slate-600); font-weight: 700; }

.table-wrap { overflow-x: auto; border: 1px solid var(--slate-200); border-radius: var(--radius); margin-top: 8px; }
.measure { width: 100%; border-collapse: collapse; font-size: .94rem; min-width: 560px; }
.measure th, .measure td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--slate-200); vertical-align: top; }
.measure thead th { background: var(--slate-50); font-size: .74rem; text-transform: uppercase; letter-spacing: .09em; color: var(--slate-600); font-weight: 700; }
.measure tbody tr:last-child td, .measure tbody tr:last-child th { border-bottom: 0; }
.measure tbody th { color: var(--slate-900); font-weight: 650; }
.measure td { color: var(--slate-600); }
.measure td.num { color: var(--navy-900); font-weight: 750; white-space: nowrap; }

.math { background: var(--slate-50); border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 24px 28px; margin-top: 8px; }
.math p { margin: 0 0 .6em; }
.math p:last-child { margin: 0; }
.math .eq { font-weight: 700; color: var(--navy-900); }

.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related .item { border: 1px solid var(--slate-200); border-radius: var(--radius-sm); padding: 18px 20px; }
.related b { display: block; font-size: 1.5rem; color: var(--navy-900); letter-spacing: -.02em; font-weight: 800; }
.related p { margin: 4px 0 0; font-size: .92rem; color: var(--slate-600); line-height: 1.5; }

.next-list { list-style: none; padding: 0; margin: 0; }
.next-list li { position: relative; padding: 0 0 0 30px; margin-bottom: 14px; }
.next-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 14px; height: 2px; background: var(--blue-600); }

.next-case { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 40px; border-top: 1px solid var(--slate-200); }
.next-case a { display: block; padding: 20px 22px; border: 1px solid var(--slate-200); border-radius: var(--radius); font-weight: 650; color: var(--slate-900); text-decoration: none; transition: border-color .2s, box-shadow .2s, transform .2s var(--ease); }
.next-case a:hover { border-color: var(--blue-600); box-shadow: var(--shadow); transform: translateY(-2px); color: var(--blue-700); }
.next-case a.right { text-align: right; }
.next-case small { display: block; color: var(--slate-600); font-weight: 600; font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 72px; align-items: center; }
.about-grid .headshot { margin: 0; }
.story p { font-size: 1.08rem; }
.story .story-sub { margin: 36px 0 10px; font-size: 1.05rem; text-transform: uppercase; letter-spacing: .08em; color: var(--slate-600); }
.skills-table { width: 100%; border-collapse: collapse; }
.skills-table th, .skills-table td { text-align: left; padding: 20px 0; border-bottom: 1px solid var(--slate-200); vertical-align: top; }
.skills-table th { width: 210px; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--slate-600); font-weight: 700; padding-right: 24px; padding-top: 24px; }
.skills-table td .chips { margin: 0; }
.edu { display: flex; gap: 20px; align-items: center; }
.edu-logo { width: 150px; height: 72px; flex: none; display: grid; place-items: center; background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--radius-sm); padding: 10px 12px; }
.edu-logo img { max-height: 100%; max-width: 100%; width: auto; object-fit: contain; }
.edu h3 { margin: 0 0 2px; font-size: 1.05rem; }
.edu p { margin: 0; font-size: .94rem; color: var(--slate-600); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 72px; align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 32px 0 0; }
.contact-list li { margin: 0; border-bottom: 1px solid var(--slate-200); }
.contact-list .row-link, .contact-list .row-static { display: flex; gap: 16px; align-items: center; padding: 16px 12px; margin: 0 -12px; border-radius: var(--radius-sm); color: inherit; text-decoration: none; transition: background .15s; }
.contact-list .row-link:hover { background: var(--slate-50); }
.contact-list .row-link:hover .v { color: var(--blue-700); }
.contact-list .card-icon { margin: 0; flex: none; }
.contact-list .k { font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; color: var(--slate-600); font-weight: 700; }
.contact-list .v { color: var(--slate-900); font-weight: 600; word-break: break-word; transition: color .15s; }
.form { display: grid; gap: 20px; }
.form label { display: block; font-size: .9rem; font-weight: 600; color: var(--slate-900); margin-bottom: 6px; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--slate-900);
  padding: 12px 14px; border: 1px solid var(--slate-400); border-radius: var(--radius-sm); background: var(--white);
  transition: border-color .15s, box-shadow .15s;
}
.form input:hover, .form select:hover, .form textarea:hover { border-color: var(--slate-600); }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(37, 99, 235, .2); }
.form textarea { min-height: 150px; resize: vertical; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-note { font-size: .86rem; color: var(--slate-600); margin: 0; }

/* ---------- Footer ---------- */
.footer { padding: 44px 0; border-top: 1px solid var(--slate-200); font-size: .92rem; color: var(--slate-600); }
.footer .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer a { color: var(--slate-600); }
.footer a:hover { color: var(--blue-700); }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.1); }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  .section { padding: 88px 0; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .headshot { margin: 0; max-width: 300px; }
  .grid-3 { grid-template-columns: 1fr; gap: 24px; }
  .grid-3.cases { grid-template-columns: 1fr; max-width: 560px; }
  .thread { grid-template-columns: repeat(2, 1fr); }
  .thread-step:nth-child(2) { border-right: 0; }
  .thread-step:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .cs-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .cs-toc { display: none; }
  .cs-facts { grid-template-columns: repeat(2, 1fr); }
  .cs-results { grid-template-columns: 1fr; }
  .related { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 16.5px; }
  .container { padding: 0 22px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 44px; }
  .hero { padding: 64px 0 56px; }
  .cs-hero { padding: 56px 0 44px; }
  .nav-toggle { display: grid; }
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--slate-200);
    padding: 8px 16px 16px; box-shadow: 0 12px 24px rgba(15,23,42,.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; }
  .nav-links .btn { margin: 8px 0 0; display: flex; }
  .grid-2, .people { grid-template-columns: 1fr; }
  .highlights li { grid-template-columns: 1fr; gap: 6px; padding: 24px 0; }
  .glance { grid-template-columns: 1fr; }
  .glance div { border-right: 0; border-bottom: 1px solid var(--slate-200); }
  .glance div:last-child { border-bottom: 0; }
  .cta { padding: 44px 28px; }
  .hire { padding: 44px 26px; }
  .hire--compact { padding: 32px 26px; }
  .grid-2.grid-wide { gap: 48px; }
  .form-card { padding: 28px 22px; }
  .hire-grid { grid-template-columns: 1fr; gap: 28px; margin: 32px 0; padding: 28px 0; }
  .proof-list li { font-size: 1.05rem; }
  .form .row { grid-template-columns: 1fr; }
  .skills-table th { display: block; width: auto; padding: 20px 0 8px; border-bottom: 0; }
  .skills-table td { display: block; padding-top: 0; }
  .next-case { grid-template-columns: 1fr; }
  .next-case a.right { text-align: left; }
  /* Measurement tables: stack each row as a card so Before/After stay visible */
  .measure { min-width: 0; }
  .measure thead { display: none; }
  .measure tr { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--slate-200); padding: 14px 0; }
  .measure tbody tr:last-child { border-bottom: 0; }
  .measure th, .measure td { border-bottom: 0; padding: 4px 18px; }
  .measure tbody th, .measure td:nth-child(2) { grid-column: 1 / -1; }
  .measure td:nth-child(2) { padding-bottom: 10px; }
  .measure td:nth-child(3)::before, .measure td:nth-child(4)::before {
    display: block; font-size: .7rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--slate-600); margin-bottom: 2px;
  }
  .measure td:nth-child(3)::before { content: "Before"; }
  .measure td:nth-child(4)::before { content: "After"; }
  .cs-body section { margin-bottom: 56px; }
  .glance { margin-bottom: 56px; }
  .metric { padding: 26px 22px; }
  .stat-row div { padding: 16px 22px; }
}

@media (max-width: 520px) {
  .metrics, .thread { grid-template-columns: 1fr; }
  .stat-row div { padding: 14px 16px; flex-direction: column; gap: 2px; }
  .metric, .thread-step { border-right: 0 !important; border-bottom: 1px solid rgba(255,255,255,.1); }
  .metric:last-child, .thread-step:last-child { border-bottom: 0; }
  .cs-facts { grid-template-columns: 1fr 1fr; gap: 20px; }
  .case-stats { grid-template-columns: 1fr 1fr; }
  .edu-logo { width: 110px; height: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .btn:hover, .case-card:hover, .next-case a:hover { transform: none; }
  .reveal, .js .headshot img { opacity: 1; transform: none; }
}

@media print {
  .nav, .footer, .cta, .hire, .cs-toc, .nav-toggle { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .section { padding: 24px 0; }
}