/* ==========================================================================
   OverToBot — Reusable components
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  --btn-h: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: var(--btn-h);
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  line-height: 1;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), color var(--dur) var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.btn .icon { width: 18px; height: 18px; transition: transform var(--dur) var(--ease); }
.btn:hover .icon--arrow { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--gradient-accent);
  color: var(--on-accent);
  box-shadow: 0 8px 28px -12px rgba(76, 195, 255, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn--primary:hover { box-shadow: 0 12px 34px -12px rgba(76, 195, 255, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.3); filter: saturate(1.1) brightness(1.05); }

.btn--secondary {
  background: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--text);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.btn--secondary:hover { border-color: var(--accent-line); background: var(--accent-soft); }

.btn--ghost { background: transparent; color: var(--text); padding-inline: 4px; min-height: 40px; }
.btn--ghost:hover { color: var(--accent); }

.btn--sm { --btn-h: 40px; padding: 0 16px; font-size: 0.875rem; border-radius: 10px; }
.btn--lg { --btn-h: 56px; padding: 0 28px; font-size: 1rem; }
.btn--block { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.6; pointer-events: none; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--accent);
}
.link-arrow .icon { width: 16px; height: 16px; transition: transform var(--dur) var(--ease); }
.link-arrow:hover .icon { transform: translateX(3px); }

/* ---------- Brand ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 650; font-size: 1.2rem; letter-spacing: -0.03em; }
.brand__mark { width: 32px; height: 32px; flex: none; }
.brand__name span { color: var(--accent); }

/* ---------- Header ---------- */
.site-header-slot { min-height: var(--header-h); }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: height var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-header.is-scrolled {
  height: var(--header-h-compact);
  background: var(--glass);
  border-bottom-color: var(--border);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
}
.site-header__inner { display: flex; align-items: center; gap: 24px; }
.site-header__actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.site-nav { margin-left: auto; }
.site-nav__list { display: flex; align-items: center; gap: 2px; }
.site-nav__link {
  position: relative;
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.site-nav__link:hover { color: var(--text); background: var(--surface-2); }
.site-nav__link[aria-current="page"] { color: var(--text); }
.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px; right: 12px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient-accent);
}
.site-nav__mobile-extra { display: none; }

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.theme-toggle:hover { color: var(--text); border-color: var(--border-strong); }
.theme-toggle .icon { width: 18px; height: 18px; }
.theme-toggle .icon--sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon--sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon--moon { display: none; }

.nav-toggle {
  display: none;
  position: relative;
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
}
.nav-toggle__bar {
  position: absolute;
  left: 12px; right: 12px;
  height: 1.5px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 320ms var(--ease), opacity 200ms var(--ease), top 320ms var(--ease);
}
.nav-toggle__bar:nth-child(1) { top: 15px; }
.nav-toggle__bar:nth-child(2) { top: 21px; }
.nav-toggle__bar:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; transform: scaleX(0.2); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------- Cards ---------- */
.card {
  position: relative;
  padding: clamp(22px, 2.4vw, 30px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card--interactive:hover { border-color: var(--accent-line); transform: translateY(-3px); box-shadow: var(--shadow-2); }
.card--glass {
  background: linear-gradient(180deg, rgba(148, 176, 214, 0.07), rgba(148, 176, 214, 0.02));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
:root[data-theme="light"] .card--glass { background: rgba(255, 255, 255, 0.85); }
.card__title { font-size: 1.12rem; margin-top: 18px; }
.card__text { margin-top: 10px; color: var(--text-2); font-size: 0.95rem; }
.card__footer { margin-top: 20px; }
/* Stretched link: the whole card is clickable through its single link */
.card--link .link-arrow { position: static; }
.card--link .link-arrow::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }

.icon-tile {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
}
.icon-tile .icon { width: 22px; height: 22px; }
.icon-tile--lg { width: 56px; height: 56px; border-radius: 14px; }
.icon-tile--lg .icon { width: 26px; height: 26px; }

/* Value pillars under hero */
.pillars { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; }
.pillar { padding: 28px 24px; border-right: 1px solid var(--border); }
.pillar:last-child { border-right: 0; }
.pillar__title { font-size: 1rem; margin-top: 16px; }
.pillar__text { margin-top: 8px; font-size: 0.9rem; color: var(--text-2); }

/* Service card */
.service-card { display: flex; flex-direction: column; height: 100%; }
.service-card .card__text { flex: 1; }
.service-card__index { position: absolute; top: 24px; right: 24px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3); letter-spacing: 0.08em; }

/* ---------- Chips / badges / tags ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.2;
}
.chip .icon { width: 15px; height: 15px; color: var(--accent); }
button.chip { transition: all var(--dur) var(--ease); }
button.chip:hover { color: var(--text); border-color: var(--border-strong); }
button.chip[aria-pressed="true"],
button.chip[aria-checked="true"] { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }

.tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-2);
  letter-spacing: 0.02em;
}
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.3;
}
.badge--demo { color: var(--warning); background: rgba(255, 200, 97, 0.1); border: 1px solid rgba(255, 200, 97, 0.35); }
:root[data-theme="light"] .badge--demo { background: rgba(154, 98, 0, 0.08); border-color: rgba(154, 98, 0, 0.3); }
.badge--accent { color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-line); }

.notice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px dashed rgba(255, 200, 97, 0.4);
  background: rgba(255, 200, 97, 0.05);
  color: var(--text-2);
  font-size: 0.9rem;
}
.notice .icon { color: var(--warning); margin-top: 3px; }
.notice strong { color: var(--text); }
[data-demo-notice] { margin-bottom: 24px; }

/* ---------- Section heading ---------- */
.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head > * + * { margin-top: 16px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .lead { margin-inline: auto; }
.section-head--row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; max-width: none; flex-wrap: wrap; }
.section-head--row > * + * { margin-top: 0; }
.section-head--row .section-head__text { max-width: 760px; }
.section-head--row .section-head__text > * + * { margin-top: 16px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { position: relative; padding: clamp(56px, 8vw, 104px) 0 clamp(48px, 6vw, 80px); overflow: hidden; border-bottom: 1px solid var(--border); }
.page-hero__glow {
  position: absolute;
  width: 780px; height: 480px;
  right: -180px; top: -220px;
  background: radial-gradient(closest-side, rgba(76, 195, 255, 0.16), transparent);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero__content { position: relative; max-width: 820px; }
.page-hero__art {
  position: absolute;
  right: max(-40px, calc((100vw - var(--container)) / 2 - 120px));
  top: 50%;
  width: 440px;
  height: 440px;
  transform: translateY(-50%);
  color: var(--accent);
  opacity: 0.55;
  pointer-events: none;
}
.page-hero__art .orbit { fill: none; stroke: var(--border-strong); stroke-width: 1; }
.page-hero__art .orbit--accent { stroke: var(--accent-line); stroke-dasharray: 2 6; }
.page-hero__art .node { fill: var(--accent); }
.page-hero__art .node--soft { fill: var(--text-3); }
.page-hero__art .spin { transform-origin: 220px 220px; animation: orbit-spin 60s linear infinite; }
@keyframes orbit-spin { to { transform: rotate(360deg); } }
@media (max-width: 1280px) { .page-hero__art { display: none; } }
.page-hero__content > * + * { margin-top: 20px; }
.page-hero__actions { margin-top: 32px; }

.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; font-size: 0.82rem; color: var(--text-3); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; opacity: 0.6; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb [aria-current="page"] { color: var(--text-2); }

/* ---------- Feature list ---------- */
.check-list { display: grid; gap: 12px; list-style: none; margin: 0; padding: 0; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-2); }
.check-list .icon { width: 18px; height: 18px; margin-top: 4px; color: var(--accent); }
.check-list--cols { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; }

.feature-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.feature-item h3 { font-size: 1rem; }
.feature-item p { margin-top: 6px; font-size: 0.9rem; color: var(--text-2); }

/* ---------- Flow / architecture diagrams ---------- */
.flow {
  position: relative;
  display: grid;
  gap: 14px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  counter-reset: flow;
  list-style: none;
  margin: 0;
}
.flow__node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-solid);
  font-weight: 550;
  font-size: 0.95rem;
}
.flow__node .icon { width: 20px; height: 20px; color: var(--accent); }
.flow__node small { margin-left: auto; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); letter-spacing: 0.08em; text-transform: uppercase; font-weight: 400; }
.flow__node--accent { border-color: var(--accent-line); background: linear-gradient(90deg, var(--accent-soft), transparent 70%), var(--surface-solid); box-shadow: var(--shadow-glow); }
.flow__node:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -15px;
  width: 1px;
  height: 14px;
  background: linear-gradient(var(--accent-line), transparent);
}

.flow--horizontal { grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); align-items: stretch; }
.flow--horizontal .flow__node { flex-direction: column; text-align: center; justify-content: center; padding: 22px 14px; }
.flow--horizontal .flow__node small { margin: 0; }
.flow--horizontal .flow__node:not(:last-child)::after { left: auto; right: -15px; top: 50%; bottom: auto; width: 14px; height: 1px; background: linear-gradient(90deg, var(--accent-line), transparent); }

.flow__caption { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); }

/* Before / after comparison */
.compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: stretch; }
.compare__col { padding: 26px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); }
.compare__col--after { border-color: var(--accent-line); box-shadow: var(--shadow-glow); }
.compare__col h3 { display: flex; align-items: center; gap: 10px; font-size: 1.05rem; }
.compare__col ul { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.compare__col li { display: flex; gap: 10px; font-size: 0.92rem; color: var(--text-2); }
.compare__col li .icon { width: 16px; height: 16px; margin-top: 4px; flex: none; }
.compare__col--before li .icon { color: var(--text-3); }
.compare__col--after li .icon { color: var(--success); }
.compare__arrow { display: grid; place-items: center; color: var(--accent); }
.compare__arrow .icon { width: 28px; height: 28px; }

/* ---------- Process timeline ---------- */
.timeline { position: relative; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; list-style: none; margin: 0; padding: 0; }
.timeline::before,
.timeline__progress {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 22px;
  height: 1px;
  background: var(--border-strong);
}
.timeline__progress {
  right: auto;
  width: 0;
  background: var(--gradient-accent);
  transition: width 1600ms var(--ease);
}
.timeline.is-visible .timeline__progress { width: calc(100% - 44px); }
.timeline__step { position: relative; padding-top: 64px; }
.timeline__dot {
  position: absolute;
  top: 0; left: 0;
  width: 45px; height: 45px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-2);
  transition: border-color 400ms var(--ease), color 400ms var(--ease), box-shadow 400ms var(--ease);
  transition-delay: var(--step-delay, 0ms);
}
.timeline.is-visible .timeline__dot { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.timeline__step h3 { font-size: 1.05rem; }
.timeline__step p { margin-top: 8px; font-size: 0.9rem; color: var(--text-2); }

/* ---------- Accordion (FAQ) ---------- */
.accordion { border-top: 1px solid var(--border); }
.accordion__item { border-bottom: 1px solid var(--border); }
.accordion__heading { margin: 0; font-size: inherit; }
.accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  font-weight: 550;
  letter-spacing: -0.01em;
  color: var(--text);
}
.accordion__trigger:hover { color: var(--accent); }
.accordion__icon {
  position: relative;
  flex: none;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 10px; height: 1.5px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease);
}
.accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon { border-color: var(--accent); color: var(--accent); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.accordion__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 320ms var(--ease); }
.accordion__panel.is-open { grid-template-rows: 1fr; }
.accordion__panel > div { overflow: hidden; }
.accordion__panel p { padding: 0 48px 24px 4px; color: var(--text-2); max-width: 75ch; }
.accordion__panel[hidden] { display: none; }

/* ---------- Testimonials ---------- */
.testimonial {
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
}
.testimonial__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.testimonial__stars { display: flex; gap: 2px; color: var(--warning); }
.testimonial__stars .icon { width: 15px; height: 15px; fill: currentColor; }
.testimonial__quote { flex: 1; margin: 0; font-size: 1.02rem; line-height: 1.65; color: var(--text); }
.testimonial__quote p::before { content: "\201C"; }
.testimonial__quote p::after { content: "\201D"; }
.testimonial__person { display: flex; align-items: flex-start; gap: 14px; padding-top: 18px; border-top: 1px solid var(--border); }
.testimonial__photo { width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--border-strong); background: var(--bg-3); object-fit: cover; }
.testimonial__name { font-weight: 600; font-size: 0.95rem; font-style: normal; }
.testimonial__meta { font-size: 0.82rem; color: var(--text-3); }
.testimonial__disclaimer { font-size: 0.75rem; color: var(--text-3); font-style: italic; }

/* ---------- Portfolio ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.project-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; height: 100%; }
.project-card__media { position: relative; aspect-ratio: 16 / 10; background: var(--bg-3); border-bottom: 1px solid var(--border); overflow: hidden; }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease); }
.project-card:hover .project-card__media img { transform: scale(1.03); }
.project-card__media .badge { position: absolute; top: 14px; left: 14px; background: rgba(6, 10, 19, 0.75); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.project-card__body { display: flex; flex-direction: column; gap: 14px; padding: 24px; flex: 1; }
.project-card__industry { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.project-card__title { font-size: 1.2rem; }
.project-card dl { display: grid; gap: 12px; font-size: 0.9rem; }
.project-card dt { font-weight: 600; font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.project-card dd { margin-top: 3px; color: var(--text-2); }
.project-card__foot { margin-top: auto; display: grid; gap: 10px; padding-top: 16px; border-top: 1px solid var(--border); }
.project-card__foot-label { font-size: 0.72rem; font-family: var(--font-mono); color: var(--text-3); letter-spacing: 0.1em; text-transform: uppercase; }

/* ---------- Engagement models ---------- */
.model-card { display: flex; flex-direction: column; gap: 14px; height: 100%; }
.model-card ul { margin: 6px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 0.9rem; color: var(--text-2); flex: 1; }
.model-card li { display: flex; gap: 10px; }
.model-card li .icon { width: 16px; height: 16px; margin-top: 4px; color: var(--accent); }
.model-card--featured { border-color: var(--accent-line); box-shadow: var(--shadow-glow); }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 6vw, 72px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent-line);
  background:
    radial-gradient(600px 300px at 90% 0%, rgba(76, 195, 255, 0.18), transparent 70%),
    radial-gradient(500px 280px at 0% 100%, rgba(46, 230, 214, 0.1), transparent 70%),
    var(--bg-2);
}
.cta-band__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band__text { max-width: 620px; }
.cta-band__text > * + * { margin-top: 14px; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 32px; }
.form__section { border: 0; margin: 0; padding: 0; min-width: 0; }
.form__legend { padding: 0; margin-bottom: 18px; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
.field { display: grid; gap: 7px; align-content: start; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field__label { font-size: 0.875rem; font-weight: 550; color: var(--text); }
.field__req { color: var(--accent); margin-left: 3px; }
.field__opt { color: var(--text-3); font-weight: 400; font-size: 0.8rem; margin-left: 6px; }
.field__hint { font-size: 0.8rem; color: var(--text-3); }
.field__control {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface-solid);
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.4;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field__control::placeholder { color: var(--text-3); }
.field__control:hover { border-color: rgba(148, 170, 205, 0.4); }
.field__control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
textarea.field__control { min-height: 120px; resize: vertical; }
select.field__control {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 42px;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: calc(100% - 20px) 21px, calc(100% - 15px) 21px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.field.has-error .field__control { border-color: var(--danger); }
.field.has-error .field__control:focus { box-shadow: 0 0 0 4px rgba(255, 122, 122, 0.15); }
.field__error { display: none; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--danger); }
.field__error .icon { width: 14px; height: 14px; }
.field.has-error .field__error { display: flex; }
.field__counter { justify-self: end; font-size: 0.75rem; color: var(--text-3); font-family: var(--font-mono); }

.checkbox { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; font-size: 0.9rem; color: var(--text-2); }
.checkbox input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 20px; height: 20px;
  margin: 2px 0 0;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface-solid);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.checkbox input::after { content: ""; width: 10px; height: 6px; border: 2px solid var(--on-accent); border-top: 0; border-right: 0; transform: rotate(-45deg) translate(1px, -1px) scale(0); transition: transform 160ms var(--ease); }
.checkbox input:checked { background: var(--accent); border-color: var(--accent); }
.checkbox input:checked::after { transform: rotate(-45deg) translate(1px, -1px) scale(1); }
.checkbox input:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
.checkbox a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* Honeypot: hidden from humans and assistive tech, visible to naive bots */
.form__trap { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }

.form__actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form__privacy { font-size: 0.8rem; color: var(--text-3); max-width: 46ch; }
.form__alert { padding: 14px 18px; border-radius: 12px; border: 1px solid rgba(255, 122, 122, 0.4); background: rgba(255, 122, 122, 0.07); color: var(--text); font-size: 0.92rem; }
.form__alert:empty, .form__alert[hidden] { display: none; }

.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin 700ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-success { text-align: center; padding: clamp(32px, 5vw, 56px) 24px; }
.form-success__icon { display: inline-grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: rgba(61, 220, 151, 0.12); border: 1px solid rgba(61, 220, 151, 0.4); color: var(--success); }
.form-success__icon .icon { width: 30px; height: 30px; }
.form-success h2 { margin-top: 22px; font-size: clamp(1.5rem, 2.6vw, 2rem); }
.form-success p { margin: 12px auto 0; max-width: 52ch; color: var(--text-2); }
.form-success__id { display: inline-block; margin-top: 18px; padding: 8px 14px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--border); font-family: var(--font-mono); font-size: 0.9rem; }

.form-success__actions { justify-content: center; margin-top: 28px; }

.form-skeleton { display: grid; gap: 16px; }
.form-skeleton span { display: block; height: 48px; border-radius: 10px; background: linear-gradient(90deg, var(--surface), var(--surface-2), var(--surface)); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- Toasts ---------- */
.toast-region { position: fixed; z-index: 300; right: 20px; bottom: 20px; display: grid; gap: 10px; width: min(380px, calc(100vw - 40px)); }
.toast {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface-solid);
  box-shadow: var(--shadow-2);
  font-size: 0.9rem;
  animation: toast-in 320ms var(--ease);
}
.toast .icon { width: 18px; height: 18px; margin-top: 2px; }
.toast--success .icon { color: var(--success); }
.toast--error .icon { color: var(--danger); }
.toast--info .icon { color: var(--accent); }
.toast__close { margin-left: auto; background: none; border: 0; color: var(--text-3); padding: 2px; border-radius: 6px; }
.toast__close:hover { color: var(--text); }
.toast.is-leaving { opacity: 0; transform: translateY(8px); transition: all 240ms var(--ease); }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px); } }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; padding: 16px; }
.modal[hidden] { display: none; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(3, 6, 12, 0.72); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); animation: fade-in 240ms var(--ease); }
.modal__dialog {
  position: relative;
  width: min(620px, 100%);
  max-height: calc(100vh - 32px);
  overflow: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: var(--bg-2);
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.8);
  animation: modal-in 320ms var(--ease);
}
.modal__header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.modal__title { font-size: 1.1rem; }
.modal__close { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border); background: transparent; color: var(--text-2); }
.modal__close:hover { color: var(--text); }
.modal__body { padding: 24px; }
@keyframes fade-in { from { opacity: 0; } }
@keyframes modal-in { from { opacity: 0; transform: translateY(16px) scale(0.98); } }

/* ---------- Project assistant (guided brief) ---------- */
.assistant__progress { height: 3px; border-radius: 3px; background: var(--border); overflow: hidden; margin-bottom: 22px; }
.assistant__progress span { display: block; height: 100%; width: 0; background: var(--gradient-accent); transition: width 400ms var(--ease); }
.assistant__step { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); }
.assistant__question { margin-top: 10px; font-size: 1.3rem; }
.assistant__options { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.assistant__input { margin-top: 18px; }
.assistant__actions { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 24px; }
.assistant__note { margin-top: 14px; }
.assistant.has-error .field__error { display: flex; margin-top: 14px; }
.assistant__summary { display: grid; gap: 12px; margin-top: 16px; padding: 0; list-style: none; }
.assistant__summary li { padding: 12px 14px; border-radius: 10px; background: var(--surface); border: 1px solid var(--border); font-size: 0.9rem; }
.assistant__summary strong { display: block; font-size: 0.75rem; color: var(--text-3); font-weight: 500; font-family: var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 4px; }

/* ---------- Cookie consent ---------- */
.consent {
  position: fixed;
  z-index: 250;
  left: 20px;
  bottom: 20px;
  width: min(440px, calc(100vw - 40px));
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--surface-solid);
  box-shadow: var(--shadow-2);
  font-size: 0.88rem;
  color: var(--text-2);
  animation: toast-in 400ms var(--ease);
}
.consent h2 { font-size: 1rem; margin-bottom: 6px; }
.consent a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.consent__actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { position: relative; margin-top: 0; border-top: 1px solid var(--border); background: var(--bg-2); font-size: 0.9rem; }
.site-footer__top { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; padding-block: clamp(48px, 7vw, 80px); }
.site-footer__brand > * + * { margin-top: 16px; }
.site-footer__tagline { font-family: var(--font-display); font-size: 1.1rem; font-weight: 550; letter-spacing: -0.015em; color: var(--text); }
.site-footer__blurb { color: var(--text-2); max-width: 38ch; }
.site-footer__heading { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-bottom: 16px; }
.site-footer__list { display: grid; gap: 10px; list-style: none; margin: 0; padding: 0; }
.site-footer__list a { color: var(--text-2); transition: color var(--dur) var(--ease); }
.site-footer__list a:hover { color: var(--accent); }
.site-footer__contact { display: grid; gap: 8px; list-style: none; padding: 0; margin: 0; }
.site-footer__contact li { display: flex; gap: 10px; align-items: center; color: var(--text-2); }
.site-footer__contact .icon { width: 16px; height: 16px; color: var(--accent); }
.site-footer__contact a:hover { color: var(--accent); }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 22px; border-top: 1px solid var(--border); color: var(--text-3); font-size: 0.82rem; }

.noscript-nav { padding: 12px var(--gutter); border-bottom: 1px solid var(--border); font-size: 0.85rem; }
.noscript-nav a { margin-right: 14px; color: var(--text-2); text-decoration: underline; }