:root {
  --bg: #fbfaf7;
  --bg-alt: #f2efe8;
  --surface: #ffffff;
  --ink: #1c1f23;
  --ink-soft: #4b5159;
  --ink-faint: #767c85;
  --line: #e2ded4;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: #e3f1ef;
  --wa: #1f9d55;
  --radius: 14px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121416;
    --bg-alt: #181b1e;
    --surface: #1d2124;
    --ink: #eceae5;
    --ink-soft: #b4b8bd;
    --ink-faint: #8a9097;
    --line: #2c3135;
    --accent: #2dd4bf;
    --accent-ink: #0b1f1d;
    --accent-soft: #15302d;
    --wa: #25b862;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
section { padding: 80px 0; }
section.alt { background: var(--bg-alt); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.4rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.eyebrow {
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .8em;
}
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 640px; }
.section-intro { color: var(--ink-soft); max-width: 640px; margin-bottom: 40px; }

/* Header */
header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand span { color: var(--ink-faint); font-weight: 500; }
nav { display: flex; align-items: center; gap: 24px; }
nav a.link { color: var(--ink-soft); text-decoration: none; font-size: .95rem; }
nav a.link:hover { color: var(--ink); }

/* Buttons */
.btn {
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 999px;
  font-weight: 600; font-size: 1rem; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, filter .15s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-wa { background: var(--wa); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-sm svg { width: 16px; height: 16px; }

/* Hero */
.hero { padding: 96px 0 72px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.creds {
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line);
  color: var(--ink-soft); font-size: .95rem;
}
.creds div { display: flex; align-items: center; gap: 8px; }
.creds div::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* Cards */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
}
.card p { color: var(--ink-soft); margin: 0; }
.icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; margin-bottom: 18px;
}
.icon svg { width: 22px; height: 22px; }

/* Steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { position: relative; padding-top: 56px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: 0; left: 0;
  width: 40px; height: 40px; border-radius: 50%;
  border: 2px solid var(--accent); color: var(--accent);
  display: grid; place-items: center; font-weight: 700;
}
.step p { color: var(--ink-soft); margin: 0; font-size: .97rem; }

/* Packages */
.pkg { display: flex; flex-direction: column; }
.pkg.featured { border: 2px solid var(--accent); position: relative; }
.pkg .tag {
  position: absolute; top: -13px; left: 28px;
  background: var(--accent); color: var(--accent-ink);
  font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 999px;
}
.pkg .duration { font-size: 1.6rem; font-weight: 700; margin: 6px 0 2px; letter-spacing: -0.01em; }
.pkg .goal { color: var(--ink-soft); margin-bottom: 20px; min-height: 3.2em; }
.pkg ul { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
.pkg li { padding: 7px 0 7px 26px; position: relative; font-size: .97rem; border-top: 1px solid var(--line); }
.pkg li::before {
  content: ""; position: absolute; left: 4px; top: 15px;
  width: 10px; height: 6px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.pkg .price { color: var(--ink-faint); font-size: .9rem; margin-bottom: 16px; }
.note { margin-top: 28px; color: var(--ink-faint); font-size: .92rem; max-width: 760px; }

/* Why */
.why { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 48px; }
.why h3 { display: flex; gap: 10px; align-items: baseline; }
.why h3::before { content: "—"; color: var(--accent); }
.why p { color: var(--ink-soft); margin: 0; }

/* About */
.about { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
.about .facts { list-style: none; padding: 0; margin: 0; }
.about .facts li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.about .facts strong { display: block; font-size: 1.05rem; }
.about .facts span { color: var(--ink-soft); font-size: .93rem; }
.about .bio p { color: var(--ink-soft); }

/* FAQ */
.faq { max-width: 780px; }
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { color: var(--ink-soft); margin: 12px 0 0; }

/* Contact */
.contact { text-align: center; }
.contact .lead { margin: 0 auto 32px; }
.contact .actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--ink-faint); font-size: .88rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

/* Floating WhatsApp (mobile) */
.fab {
  display: none; position: fixed; right: 16px; bottom: 16px; z-index: 20;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--wa); color: #fff; place-items: center;
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
.fab svg { width: 28px; height: 28px; }

@media (max-width: 900px) {
  .grid-3, .steps { grid-template-columns: 1fr 1fr; }
  .about { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 640px) {
  section { padding: 56px 0; }
  .hero { padding: 56px 0 48px; }
  .grid-3, .grid-2, .steps, .why { grid-template-columns: 1fr; }
  nav a.link { display: none; }
  nav .btn-sm { display: none; }
  .brand span { display: none; }
  .pkg .goal { min-height: 0; }
  .fab { display: grid; }
}

/* Language switch */
.lang { display: flex; gap: 6px; align-items: center; }
.lang a {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 8px;
  border: 1px solid transparent; opacity: .55;
  transition: opacity .15s ease;
}
.lang a:hover { opacity: 1; }
.lang a[aria-current="true"] { opacity: 1; border-color: var(--line); background: var(--surface); }
.lang svg { width: 22px; height: 15px; border-radius: 2px; display: block; box-shadow: 0 0 0 1px rgba(0,0,0,.08); }

/* ===== Portfolio ===== */
.case { padding: 72px 0; border-top: 1px solid var(--line); }
.case:first-of-type { border-top: 0; }
.case-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: end; margin-bottom: 32px; }
.case-head p { color: var(--ink-soft); margin: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tags span {
  font-size: .8rem; padding: 4px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 600;
}
.case-body { display: grid; grid-template-columns: 1.25fr 1fr; gap: 28px; align-items: start; }
.case-facts { margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-facts div { border-left: 2px solid var(--accent); padding-left: 14px; }
.case-facts strong { display: block; font-size: .95rem; }
.case-facts span { color: var(--ink-soft); font-size: .9rem; }

/* Showcase: browser frame + slides */
.showcase { margin: 0; min-width: 0; }
.case-body > *, .case-head > * { min-width: 0; }
.frame {
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  background: var(--surface); box-shadow: 0 18px 50px -20px rgba(0,0,0,.35);
}
.frame-bar {
  display: flex; align-items: center; gap: 12px; padding: 10px 14px;
  background: var(--bg-alt); border-bottom: 1px solid var(--line);
}
.frame-bar .dots { display: flex; gap: 6px; }
.frame-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); display: block; }
.frame-bar .dots i:nth-child(1) { background: #ef6b5e; }
.frame-bar .dots i:nth-child(2) { background: #f4bf4f; }
.frame-bar .dots i:nth-child(3) { background: #61c454; }
.frame-bar .url {
  flex: 1; text-align: center; font-size: .78rem; color: var(--ink-faint);
  background: var(--surface); border-radius: 6px; padding: 3px 10px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.stage { position: relative; aspect-ratio: var(--ratio, 16 / 10); background: #f4f6f9; overflow: hidden; cursor: pointer; }
.stage img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; object-position: center center;
  opacity: 0; transition: opacity .9s ease;
  transform-origin: 30% 20%;
}
.stage img.on { opacity: 1; animation: kenburns 7s ease-out forwards; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.06) translate(-1%, -1%); } }
@media (prefers-reduced-motion: reduce) { .stage img.on { animation: none; } .stage img { transition: none; } }

.showcase-ctrl { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.showcase-ctrl button {
  width: 36px; height: 36px; border-radius: 50%; flex: none;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  font-size: 1rem; cursor: pointer; display: grid; place-items: center;
}
.showcase-ctrl button:hover { border-color: var(--accent); color: var(--accent); }
.caption { flex: 1; min-height: 3.2em; }
.caption strong { display: block; font-size: .98rem; }
.caption span { color: var(--ink-soft); font-size: .9rem; }
.progress { display: flex; gap: 6px; margin-top: 12px; }
.progress i { flex: 1; height: 3px; border-radius: 2px; background: var(--line); overflow: hidden; display: block; }
.progress i b { display: block; height: 100%; width: 0; background: var(--accent); }
.progress i.done b { width: 100%; }
.progress i.cur b { animation: fill var(--dur, 6s) linear forwards; }
.showcase.paused .progress i.cur b { animation-play-state: paused; }
@keyframes fill { to { width: 100%; } }

/* Diagram */
.diagram {
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px;
}
.diagram h3 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 12px; }
.diagram svg { width: 100%; height: auto; display: block; color: var(--ink-faint); }
.diagram .node rect { fill: var(--bg-alt); stroke: var(--line); stroke-width: 1.5; transition: fill .35s, stroke .35s; }
.diagram .node text { fill: var(--ink-soft); font-size: 16px; font-weight: 600; font-family: inherit; transition: fill .35s; }
.diagram .node text.sub { font-size: 12px; font-weight: 400; fill: var(--ink-faint); }
.diagram .node { cursor: pointer; }
.diagram .node.on rect { fill: var(--accent); stroke: var(--accent); }
.diagram .node.on text, .diagram .node.on text.sub { fill: var(--accent-ink); }
.diagram .edge { stroke: var(--ink-faint); stroke-width: 1.5; fill: none; }
.diagram .edge.dash { stroke-dasharray: 4 4; }
.diagram .group { fill: none; stroke: var(--line); stroke-dasharray: 3 5; }
.diagram .group-label { fill: var(--ink-faint); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.diagram .note { color: var(--ink-faint); font-size: .82rem; margin: 12px 0 0; }

@media (max-width: 900px) {
  .case-head, .case-body { grid-template-columns: 1fr; gap: 20px; }
  .case-facts { grid-template-columns: 1fr; }
}

/* Architecture block inside a case */
.case-arch {
  margin-top: 40px; padding: 28px 32px;
  background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius);
}
.case-arch h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.case-arch h3::before {
  content: "</>"; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: .8rem; color: var(--accent); background: var(--accent-soft);
  padding: 3px 7px; border-radius: 6px;
}
.case-arch .cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.case-arch p { color: var(--ink-soft); font-size: .96rem; margin: 0; }
.case-arch .stack { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 20px; }
.case-arch .stack span {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: .76rem;
  padding: 3px 8px; border-radius: 6px; border: 1px solid var(--line); color: var(--ink-soft); background: var(--surface);
}
@media (max-width: 900px) { .case-arch { padding: 22px 20px; } .case-arch .cols { grid-template-columns: 1fr; gap: 16px; } }

/* Where a case was used */
.case-head { align-items: start; }
.case-usage {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px;
}
.case-usage h4 { margin: 0 0 10px; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.case-usage ul { list-style: none; margin: 0; padding: 0; }
.case-usage li { padding: 8px 0; border-top: 1px solid var(--line); font-size: .93rem; }
.case-usage li:first-child { border-top: 0; }
.case-usage li strong { display: block; }
.case-usage li span { color: var(--ink-soft); font-size: .86rem; }
.case-usage .disclaimer { margin: 12px 0 0; font-size: .8rem; color: var(--ink-faint); }

/* Portfolio index */
.case-index { padding: 8px 0 56px; }
.case-index .grid { grid-template-columns: repeat(3, 1fr); }
.case-index a.card {
  display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: inherit;
  transition: border-color .15s ease, transform .15s ease;
}
.case-index a.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.case-index .num { font-size: .8rem; font-weight: 700; color: var(--accent); letter-spacing: .08em; }
.case-index h3 { margin: 0; font-size: 1.3rem; }
.case-index p { flex: 1; }
.case-index .go { font-size: .9rem; font-weight: 600; color: var(--accent); margin-top: 10px; }
@media (max-width: 1100px) { .case-index .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .case-index .grid { grid-template-columns: 1fr; } }
.case { scroll-margin-top: 64px; }

.hero .lead { max-width: 860px; }

/* Startup-oriented home additions */
#para-quem .note, #who .note, #o-que-da-para-provar .note, #what-can-be-proven .note { margin-top: 24px; }
#o-que-da-para-provar, #what-can-be-proven { background: var(--bg); }
.doc-link { display: inline-block; font-size: .9rem; font-weight: 600; margin: -8px 0 14px; text-decoration: none; }
.about-side .photo { width: 160px; height: 160px; border-radius: 50%; object-fit: cover; display: block; margin-bottom: 20px; border: 4px solid var(--surface); box-shadow: 0 10px 30px -12px rgba(0,0,0,.35); }

/* Example funding document */
.doc-page { padding: 56px 0 80px; }
.doc-wrap { max-width: 820px; margin: 0 auto; padding: 0 20px; }
.doc-banner { background: var(--accent-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 36px; color: var(--ink-soft); font-size: .95rem; }
.doc-banner strong { color: var(--ink); }
.doc-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.doc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 48px 56px; box-shadow: 0 18px 50px -24px rgba(0,0,0,.25); }
.doc h1 { font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -0.015em; margin-bottom: 18px; }
.doc .meta { display: grid; grid-template-columns: 180px 1fr; gap: 6px 16px; font-size: .93rem; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.doc .meta dt { color: var(--ink-faint); font-weight: 600; }
.doc .meta dd { margin: 0; }
.doc h2 { font-size: 1.2rem; margin: 34px 0 12px; }
.doc h3 { font-size: 1rem; margin: 20px 0 8px; }
.doc p, .doc li { color: var(--ink-soft); font-size: .98rem; }
.doc ul { padding-left: 20px; }
.doc li { margin-bottom: 6px; }
.doc figure { margin: 22px 0; }
.doc figure img { width: 100%; border-radius: 10px; border: 1px solid var(--line); display: block; }
.doc figcaption { font-size: .85rem; color: var(--ink-faint); margin-top: 8px; text-align: center; }
.doc table { width: 100%; border-collapse: collapse; font-size: .86rem; margin: 14px 0 6px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 7px 9px; text-align: left; vertical-align: top; }
.doc th { background: var(--bg-alt); color: var(--ink); }
.doc tr.hl td { background: var(--accent-soft); font-weight: 600; color: var(--ink); }
.doc .callout { border-left: 3px solid var(--accent); padding: 4px 0 4px 16px; margin: 18px 0; }
.doc .table-scroll { overflow-x: auto; }
@media (max-width: 700px) { .doc { padding: 28px 20px; } .doc .meta { grid-template-columns: 1fr; } }
@media print {
  header, footer, .fab, .doc-banner, .site-cta { display: none !important; }
  body { background: #fff; }
  .doc-page { padding: 0; }
  .doc { border: 0; box-shadow: none; padding: 0; }
  .doc p, .doc li, .doc td { color: #222; }
  .doc figure, .doc table { break-inside: avoid; }
}

/* Portfolio: startup lens + research group */
.startup-line { margin-top: 18px; padding: 14px 16px; border-radius: 10px; background: var(--accent-soft); color: var(--ink); font-size: .95rem; }
.startup-line strong { color: var(--accent); }
.startup-line a { display: inline-block; margin-top: 6px; font-weight: 600; text-decoration: none; }
.group-head { padding: 72px 0 0; border-top: 1px solid var(--line); }
.group-head p { color: var(--ink-soft); max-width: 760px; }
.case-index .num em { font-style: normal; color: var(--ink-faint); font-weight: 600; }
.group-head + .case { border-top: 0; }

/* Example deliverable band on home */
.example-band { background: var(--accent-soft); }
.example-band .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.example-band ul { list-style: none; padding: 0; margin: 0 0 26px; }
.example-band li { padding: 6px 0 6px 26px; position: relative; color: var(--ink-soft); }
.example-band li::before { content: ""; position: absolute; left: 4px; top: 14px; width: 10px; height: 6px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.example-band .actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.doc-thumb { display: block; border-radius: 12px; overflow: hidden; max-height: 460px; border: 1px solid var(--line); background: var(--surface); box-shadow: 0 24px 50px -24px rgba(0,0,0,.4); transform: rotate(1.5deg); transition: transform .2s ease; }
.doc-thumb:hover { transform: rotate(0deg) scale(1.01); }
.doc-thumb img { width: 100%; display: block; }
@media (max-width: 900px) { .example-band .wrap { grid-template-columns: 1fr; } .doc-thumb { transform: none; max-height: 360px; } }

/* Testimonial band */
.testimonial { background: #12302d; color: #eef6f4; }
.testimonial .wrap { max-width: 900px; }
.testimonial .eyebrow { color: #5eead4; }
.testimonial blockquote { margin: 0; }
.testimonial .highlight { font-size: clamp(1.4rem, 3vw, 2rem); line-height: 1.3; font-weight: 700; letter-spacing: -0.01em; color: #fff; margin: 0 0 24px; }
.testimonial .body p { color: #c9dcd8; font-size: 1.02rem; }
.testimonial .who { display: flex; align-items: center; gap: 14px; margin-top: 26px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.15); }
.testimonial .who strong { color: #fff; display: block; }
.testimonial .who span { color: #9fbdb8; font-size: .9rem; }
.testimonial .who a { color: #5eead4; display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; text-decoration: none; margin-left: auto; }
.testimonial .who a svg { width: 16px; height: 16px; }
.testimonial .tagline { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #12302d; background: #5eead4; padding: 3px 10px; border-radius: 999px; margin-bottom: 18px; }

/* Two testimonials */
.testimonial .wrap { max-width: var(--max); }
.testimonial h2 { color: #fff; margin-bottom: 32px; }
.t-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.t-card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.t-card .highlight { font-size: 1.25rem; margin-bottom: 18px; }
.t-card .body p { font-size: .96rem; }
.t-card details { margin-top: 4px; }
.t-card summary { cursor: pointer; color: #5eead4; font-size: .9rem; font-weight: 600; list-style: none; }
.t-card summary::-webkit-details-marker { display: none; }
.t-card details[open] summary { margin-bottom: 10px; }
.t-card .who { margin-top: auto; padding-top: 20px; }
@media (max-width: 900px) { .t-grid { grid-template-columns: 1fr; } }
.t-card .tagline { align-self: flex-start; }
.t-card details { border: 0; padding: 0; }
.t-card summary { display: inline; font-size: .9rem; }
.t-card summary::after { content: " ↓"; color: #5eead4; font-size: .9rem; }
.t-card details[open] summary::after { content: " ↑"; }

/* Header with full name: keep nav on one line */
nav a.link { white-space: nowrap; }
@media (max-width: 1020px) { nav a.link { display: none; } }

/* Free technical conversation (entry offer) */
.free-talk { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; background: var(--surface); border: 2px dashed var(--accent); border-radius: var(--radius); padding: 24px 28px; margin-bottom: 28px; }
.free-talk .badge { font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink); background: var(--accent); padding: 6px 12px; border-radius: 999px; white-space: nowrap; }
.free-talk h3 { margin: 0 0 4px; }
.free-talk p { margin: 0; color: var(--ink-soft); font-size: .96rem; }
@media (max-width: 760px) { .free-talk { grid-template-columns: 1fr; text-align: left; } .free-talk .badge { justify-self: start; } }

/* Testimonial context and link from the free-talk box */
.t-context { margin: 16px 0 0; padding-top: 14px; border-top: 1px dashed currentColor; font-size: .9rem; opacity: .85; }
.talk-link { display: inline-block; margin-top: 10px; font-weight: 600; font-size: .95rem; }

/* Maturity stage: POC › Prototype › MVP › In production */
.maturity { display: flex; flex-wrap: wrap; gap: 4px; list-style: none; padding: 0; margin: 0 0 14px; }
.maturity li {
  font-size: .76rem; font-weight: 600; padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--ink-faint); background: var(--surface);
}
.maturity li.done { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.maturity li.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.case-index .stage-badge {
  align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .03em;
  padding: 3px 9px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); margin: 2px 0 6px;
}
.case-index .stage-badge.s4 { background: var(--accent); color: var(--accent-ink); }

/* Centered section headers (sections whose content is a full-width grid) */
.centered > .wrap > .eyebrow, .centered > .wrap > h2 { text-align: center; }
.centered > .wrap > .section-intro { text-align: center; max-width: 720px; margin-left: auto; margin-right: auto; }
.centered > .wrap > .note { text-align: center; max-width: 760px; margin-left: auto; margin-right: auto; }
.hero-center .wrap { text-align: center; }
.hero-center .lead { max-width: 760px; margin-left: auto; margin-right: auto; }
.hero-center .actions, .hero-center .creds { justify-content: center; }
.hero-center .note { max-width: 760px; margin-left: auto; margin-right: auto; }