:root {
  --paper: #f5f7fb;
  --surface: #ffffff;
  --ink: #111318;
  --ink-soft: #4d5566;
  --blue: #1e5bff;
  --blue-deep: #1240c4;
  --blue-light: #e3ebff;
  --done: #17855a;
  --line: #dde2ec;
  --radius-lg: 20px;
  --radius-sm: 8px;
  --font: "Schibsted Grotesk", system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

:lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { letter-spacing: 0; line-height: 1.3; }
h1, h2, h3 { line-height: 1.12; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Header */
.skip-link {
  position: absolute; left: 1rem; top: -3rem; z-index: 50;
  background: var(--ink); color: #fff; padding: 0.6rem 1rem; border-radius: var(--radius-sm);
}
.skip-link:focus { top: 1rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(245, 247, 251, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.brand-mark { height: 34px; width: auto; flex-shrink: 0; }
.brand-mark .tile { fill: var(--ink); }
.brand-mark .bar { fill: #fff; }
.brand-mark .accent { fill: var(--blue); }
.brand-mark .chev { fill: none; stroke: #fff; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.brand-name { font-size: 1.4rem; font-weight: 800; letter-spacing: 0.01em; line-height: 1; white-space: nowrap; }
.brand-flow { color: var(--blue); margin-left: 0.12em; }

.main-nav { display: flex; align-items: center; gap: 1.6rem; margin-left: auto; }
.main-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: var(--ink); }
.main-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--blue); }
.main-nav .nav-contact { color: var(--blue); font-weight: 700; }
.header-actions { display: flex; align-items: center; gap: 0.6rem; }

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  padding: 0;
  place-content: center;
  gap: 4px;
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Language picker */
.lang-picker { position: relative; }
.flag {
  display: inline-block;
  width: 22px;
  height: 16px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(17, 19, 24, 0.12);
}
.flag svg { display: block; width: 100%; height: 100%; }
.lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.6rem 0.4rem 0.55rem;
  cursor: pointer;
  transition: border-color 0.2s;
}
.lang-trigger:hover, .lang-trigger[aria-expanded="true"] { border-color: var(--ink); }
.lang-trigger .chevron { width: 16px; height: 16px; color: var(--ink-soft); transition: transform 0.2s; }
.lang-trigger[aria-expanded="true"] .chevron { transform: rotate(180deg); }

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 20;
  min-width: 200px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 18px 40px -16px rgba(17, 19, 24, 0.35);
  transform-origin: top right;
  animation: menu-in 0.16s ease-out;
}
@keyframes menu-in { from { opacity: 0; transform: translateY(-4px) scale(0.98); } }
.lang-menu li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.7rem;
  border-radius: 9px;
  cursor: pointer;
  font-weight: 500;
}
.lang-menu li:hover, .lang-menu li.is-focused { background: var(--paper); }
.lang-menu li:focus { outline: none; }
.lang-menu.kbd li.is-focused { box-shadow: inset 0 0 0 2px var(--blue); }
.lang-menu .lang-name { flex: 1; }
.lang-menu .check { width: 18px; height: 18px; color: var(--blue); visibility: hidden; }
.lang-menu li[aria-selected="true"] { font-weight: 700; }
.lang-menu li[aria-selected="true"] .check { visibility: visible; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-deep); }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-light { background: var(--blue); color: #fff; }
.btn-light:hover { background: #3d73ff; }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
  padding: 4rem 1.5rem 4rem;
}
.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.75rem);
  font-weight: 800;
  max-width: 15ch;
}
.lead {
  margin-top: 1.5rem;
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 40rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* Demo: the memorable element */
.demo {
  margin: 0;
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 1px 0 var(--line), 0 24px 48px -24px rgba(18, 64, 196, 0.3);
}
.demo-switch {
  display: inline-flex;
  padding: 4px;
  background: var(--paper);
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.switch-btn {
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.switch-btn.is-active { background: var(--ink); color: #fff; }

.tasks { list-style: none; margin: 0; padding: 0; }
.tasks li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}
.task-name { transition: color 0.3s; }
.task-time {
  flex-shrink: 0;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  background: #fdeee8;
  color: #a2401c;
  transition: background 0.3s, color 0.3s;
}
.tasks[data-mode="auto"] .task-name { color: var(--ink-soft); }
.tasks[data-mode="auto"] .task-time { background: #e2f4ec; color: var(--done); }
.tasks[data-mode="auto"] li:nth-child(2) .task-time { transition-delay: 0.08s; }
.tasks[data-mode="auto"] li:nth-child(3) .task-time { transition-delay: 0.16s; }
.tasks[data-mode="auto"] li:nth-child(4) .task-time { transition-delay: 0.24s; }

.demo-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 1.25rem;
}
.demo-total span { color: var(--ink-soft); }
.total-value {
  font-size: 2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.demo figcaption {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* Services */
.services, .process {
  max-width: 1160px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}
.services h2, .process h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 2.5rem;
}
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 2px solid var(--ink);
}
.service {
  padding: 2rem 2rem 2.25rem 0;
  border-bottom: 1px solid var(--line);
}
.service:nth-child(even) { padding-left: 2rem; border-left: 1px solid var(--line); }
.service.service-wide { grid-column: 1 / -1; padding-left: 0; border-left: 0; }
.service-wide h3::after, .service-ai h2::after {
  content: "AI";
  display: inline-block;
  margin-left: 0.6rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  vertical-align: middle;
  letter-spacing: 0.02em;
}
:lang(es) .service-wide h3::after, :lang(es) .service-ai h2::after,
:lang(fr) .service-wide h3::after, :lang(fr) .service-ai h2::after { content: "IA"; }
:lang(de) .service-wide h3::after, :lang(de) .service-ai h2::after { content: "KI"; }
.service h3 { font-size: 1.35rem; margin-bottom: 0.6rem; }
.service p { color: var(--ink-soft); }
.service-wide p { max-width: 50rem; }

/* Process: a real sequence, so numbered */
.process { padding-top: 0.5rem; }
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}
.steps li { counter-increment: step; position: relative; padding-top: 3.5rem; }
.steps li::before {
  content: counter(step);
  position: absolute;
  top: 0;
  left: 0;
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue-light);
  color: var(--blue-deep);
  font-weight: 800;
}
.steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 1.2rem;
  left: 3rem;
  right: -0.75rem;
  height: 2px;
  background: var(--blue-light);
}
.steps h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.steps p { color: var(--ink-soft); font-size: 1rem; }

/* Contact */
.contact { padding: 2rem 1.5rem 2rem; }
.contact-inner {
  max-width: calc(1160px - 3rem);
  margin: 0 auto;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.contact h2 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  max-width: 18ch;
}
.contact-intro > p { margin: 1.25rem 0 2rem; color: var(--ink-soft); }

.contact-channels { display: grid; gap: 0.75rem; justify-items: start; }
.channel {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  min-width: 0;
}
.channel:hover { border-color: #fff; }
.contact .channel { color: var(--ink); border-color: var(--line); }
.contact .channel:hover { border-color: var(--ink); }
.contact .channel-wa { color: #0b2e18; border-color: #25d366; }
.channel svg { width: 22px; height: 22px; flex-shrink: 0; }
.channel-wa { background: #25d366; border-color: #25d366; color: #0b2e18; }
.channel-wa:hover { background: #1fbd59; border-color: #1fbd59; }

/* Form */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  background: var(--paper);
  border-radius: 14px;
  padding: clamp(1.25rem, 3vw, 2rem);
}
.field { display: grid; gap: 0.35rem; min-width: 0; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; font-weight: 500; color: var(--ink-soft); }
.field input, .field textarea {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.8rem;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 7rem; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(30, 91, 255, 0.35); }
.field [aria-invalid="true"] { border-color: #d93a26; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.form-footer .btn { border: 0; cursor: pointer; font: inherit; font-weight: 700; }
.form-footer .btn:disabled { opacity: 0.6; cursor: wait; }
.form-status { margin: 0; font-size: 0.95rem; color: var(--ink-soft); }
.form-status.is-ok { color: var(--done); }
.form-status.is-error { color: #c0341f; }

/* Footer */
.site-footer {
  background: var(--ink);
  color: #c9d0de;
  margin-top: 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.4fr 1fr;
  gap: 2rem;
  max-width: 1160px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2.5rem;
}
.brand-light .brand-name { color: #fff; }
.brand-light .brand-flow { color: #6f97ff; }
.brand-light .brand-mark .tile { fill: #fff; }
.brand-light .brand-mark .bar { fill: var(--ink); }
.footer-brand p { margin-top: 1rem; max-width: 22rem; font-size: 0.95rem; }
.footer-col { min-width: 0; }
.footer-col h2 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 0.9rem; letter-spacing: 0; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.footer-col a { color: #c9d0de; text-decoration: none; font-size: 0.95rem; overflow-wrap: break-word; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  width: calc(100% - 3rem);
  max-width: calc(1160px - 3rem);
  margin: 0 auto;
  padding: 1.25rem 0 2rem;
  border-top: 1px solid #2a2e38;
  font-size: 0.85rem;
  color: #8a93a6;
}

/* Generic sections and subpage header */
.section { max-width: 1160px; margin: 0 auto; padding: 3.5rem 1.5rem; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.section h2, .section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; }
.section-head h2 { margin: 0; }
.section > h2 { margin-bottom: 1.75rem; }
.section-intro { color: var(--ink-soft); max-width: 52rem; margin: -0.75rem 0 2rem; font-size: 1.1rem; }
.section + .section { padding-top: 0.5rem; }
.page-hero + .section, .page-hero + .contact { padding-top: 2rem; }
.text-link { color: var(--blue); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.page-hero { max-width: 1160px; margin: 0 auto; padding: 3.5rem 1.5rem 0; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; max-width: 28ch; }
.page-hero .lead { max-width: 52rem; }

/* 404 */
.notfound { padding-bottom: 6rem; }
.notfound-code { font-size: clamp(4rem, 14vw, 8rem); font-weight: 800; line-height: 1; color: var(--blue); letter-spacing: -0.04em; margin-bottom: 1rem; }

/* Cases */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.case-card {
  background: var(--surface);
  border-radius: 16px;
  border-top: 4px solid var(--blue);
  padding: 1.75rem;
  display: grid;
  align-content: start;
  gap: 0.6rem;
}
.case-sector { color: var(--blue); font-weight: 700; font-size: 0.9rem; }
.case-card h3 { font-size: 1.25rem; }
.case-card p { color: var(--ink-soft); }
.case-metric { margin-top: 0.5rem; font-weight: 800; font-size: 1.05rem; color: var(--ink); }

.case-full {
  background: var(--surface);
  border-radius: 20px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: 1.5rem;
}
.case-full h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin: 0.4rem 0 1.5rem; }
.case-cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem 2.5rem; }
.case-cols .result { grid-column: 1 / -1; }
.case-cols h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.case-cols p { color: var(--ink-soft); }
.case-cols .result { border-left: 3px solid var(--done); padding-left: 1rem; }
.case-cols .result p { color: var(--ink); font-weight: 500; }
.note { color: var(--ink-soft); font-size: 0.95rem; max-width: 60rem; }

/* Services detail */
.service-detail {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}
.service-detail:first-child { border-top: 2px solid var(--ink); }
.service-detail h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin-bottom: 0.8rem; }
.service-detail > div > p { color: var(--ink-soft); font-size: 1.1rem; }
.includes { margin: 1.5rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.6rem; }
.includes li { padding-left: 1.6rem; position: relative; }
.includes li::before {
  content: ""; position: absolute; left: 0; top: 0.45em;
  width: 0.8rem; height: 0.45rem;
  border-left: 2.5px solid var(--blue); border-bottom: 2.5px solid var(--blue);
  transform: rotate(-45deg);
}
.example {
  align-self: start;
  background: var(--surface);
  border-radius: 16px;
  padding: 1.5rem;
  border-left: 4px solid var(--blue);
}
.example h3 { font-size: 1rem; color: var(--blue); margin-bottom: 0.5rem; }
.example p { color: var(--ink-soft); }
.tech-list { display: flex; flex-wrap: wrap; gap: 0.6rem; list-style: none; margin: 0; padding: 0; }
.tech-list li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-weight: 700;
}

/* About */
.founder {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--surface);
  border-radius: 20px;
}
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: start;
}
.about-intro > * { min-width: 0; }
.founder-photo {
  flex-shrink: 0;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  border: 4px solid var(--surface);
  box-shadow: 0 0 0 3px var(--blue);
}
.founder-info { display: grid; gap: 0.6rem; justify-items: start; min-width: 0; }
.founder-info h2 { font-size: 1.6rem; font-weight: 800; margin: 0; }
.founder-role { color: var(--blue); font-weight: 700; margin-top: -0.3rem; }
.founder-info p:not(.founder-role) { color: var(--ink-soft); }
.btn-linkedin {
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: #0a66c2; color: #fff; margin-top: 0.4rem;
}
.btn-linkedin:hover { background: #084f96; }
.btn-linkedin svg { width: 18px; height: 18px; }
.tech-groups { display: grid; gap: 2rem; }
.tech-groups h3 { font-size: 1.05rem; margin-bottom: 0.8rem; }
.tech-list-auto li { border-color: var(--blue); color: var(--blue-deep); background: var(--blue-light); }
.about-lead { font-size: clamp(1.3rem, 2.6vw, 1.75rem); font-weight: 500; line-height: 1.45; }
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem 3rem; }
.values h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.values p { color: var(--ink-soft); }

/* CTA band */
.cta-band { padding: 1rem 1.5rem 4rem; }
.cta-inner {
  max-width: calc(1160px - 3rem);
  margin: 0 auto;
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "title actions" "text actions";
  column-gap: 3rem;
  align-items: center;
}
.cta-inner h2 { grid-area: title; font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 800; }
.cta-inner p { grid-area: text; margin: 0.75rem 0 0; color: #e3ebff; max-width: 48rem; }
.cta-actions { grid-area: actions; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.cta-inner .btn-light { background: #fff; color: var(--blue-deep); }
.cta-inner .btn-light:hover { background: var(--blue-light); }

/* FAQ */
.faq > * { max-width: 60rem; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 2px solid var(--ink); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1.25rem 2.5rem 1.25rem 0;
  font-weight: 700;
  font-size: 1.1rem;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 0.25rem; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 500; color: var(--blue);
  transition: transform 0.2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--ink-soft); padding: 0 0 1.4rem; max-width: 52rem; }

/* Consent checkbox */
.consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9rem; color: var(--ink-soft); }
.consent input { width: 1.15rem; height: 1.15rem; margin-top: 0.2rem; accent-color: var(--blue); flex-shrink: 0; }
.consent a { color: var(--blue); }
.consent input[aria-invalid="true"] { outline: 2px solid #d93a26; outline-offset: 2px; }

/* Legal */
.legal { max-width: 760px; margin: 0 auto; padding: 4rem 1.5rem; }
.legal h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); font-weight: 800; margin-bottom: 0.75rem; }
.legal .draft { background: #fff6dc; border-left: 4px solid #e0a800; padding: 0.9rem 1.1rem; border-radius: var(--radius-sm); margin: 1.5rem 0 2rem; font-size: 0.95rem; }
.legal h2 { font-size: 1.3rem; margin: 2.2rem 0 0.6rem; }
.legal p, .legal li { color: var(--ink-soft); }
.legal p + p { margin-top: 0.8rem; }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 3rem; padding-top: 2rem; padding-bottom: 4rem; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 2.5rem; }
  .steps li:nth-child(2)::after { display: none; }
  .contact-inner { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; gap: 2rem; }
  .menu-toggle { display: inline-grid; }
  .header-actions { margin-left: auto; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -24px rgba(17, 19, 24, 0.35);
    padding: 0.5rem 1.5rem 1.25rem;
  }
  .menu-open .main-nav { display: flex; }
  .main-nav a { padding: 0.95rem 0; font-size: 1.1rem; border-bottom: 1px solid var(--line); }
  .main-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--line); font-weight: 700; box-shadow: inset 3px 0 0 var(--blue); padding-left: 0.85rem; }
  .case-grid { grid-template-columns: 1fr; }
  .case-cols { grid-template-columns: 1fr; gap: 1.25rem; }
  .cta-inner { grid-template-columns: 1fr; grid-template-areas: "title" "text" "actions"; }
  .cta-actions { margin-top: 1.5rem; }
  .service-detail { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .header-inner { padding-left: 1rem; padding-right: 1rem; gap: 1rem; }
  .main-nav { padding-left: 1rem; padding-right: 1rem; }
  .brand-mark { height: 30px; }
  .lang-trigger .lang-code { display: none; }
  .service-list { grid-template-columns: 1fr; }
  .service, .service:nth-child(even) { padding: 1.75rem 0; border-left: 0; }
  .steps { grid-template-columns: 1fr; }
  .steps li::after { display: none; }
  .section, .page-hero, .legal { padding-left: 1rem; padding-right: 1rem; }
  .section { padding-top: 3.5rem; padding-bottom: 3.5rem; }
  .page-hero { padding-top: 2.5rem; }
  .contact, .cta-band { padding-left: 1rem; padding-right: 1rem; }
  .contact-form { grid-template-columns: 1fr; }
  .contact-channels { justify-items: stretch; }
  .channel { font-size: 0.95rem; }
  .contact-mail-text { font-size: 0.85rem; overflow-wrap: anywhere; }
  .tasks li { align-items: flex-start; }
  .values { grid-template-columns: 1fr; gap: 2rem; }
  .founder { flex-direction: column; gap: 1.25rem; }
  .founder-photo { width: 112px; height: 112px; }
  .footer-inner { padding-left: 1rem; padding-right: 1rem; }
  .footer-col:nth-child(3) { grid-column: 1 / -1; order: 3; }
  .footer-col:nth-child(4) { order: 2; }
  .footer-bottom { width: calc(100% - 2rem); }
}