/**
 * Reusable component styles — Whylet Design System.
 * Header/navigation, section headings, buttons, capability rows, assurance
 * cards, FAQ, contact form and site footer. Loaded on every page.
 */

/* ---------- Section headings ---------- */
.kicker { display: flex; align-items: center; gap: var(--space-2); color: var(--accent-strong); margin-bottom: var(--space-4); }
.kicker:before { content: ""; width: 28px; height: 1px; background: currentColor; flex: none; }
.section-top { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-11); margin-bottom: var(--space-10); }
.section-title { font-size: var(--fs-section); line-height: 0.96; max-width: 760px; }
.section-intro { max-width: 420px; color: var(--muted); font-size: 15px; line-height: var(--lh-body); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 52px;
  padding: 0 var(--space-5);
  border: 1px solid transparent;
  font: 500 11px var(--font-mono);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  text-align: center;
  transition: transform var(--dur-base) var(--ease), background var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); filter: brightness(0.94); transition-duration: var(--dur-fast); }
.btn-dark { background: var(--ink); color: var(--light); }
.btn-dark:hover { background: var(--accent-strong); }
.btn-orange { background: var(--accent-strong); color: #fff; }
.btn-orange:hover { background: var(--accent-hover); }
.btn-outline { border-color: var(--line); }
.btn-outline:hover { border-color: var(--ink); background: var(--accent-wash); }
.btn:disabled, .btn[disabled] { background: var(--paper2); color: var(--muted); border-color: var(--line); cursor: not-allowed; pointer-events: none; transform: none; filter: none; }
.arrow { font-size: 15px; line-height: 0; }
.pill { border: 1px solid var(--line); padding: var(--space-1) var(--space-2); color: var(--muted); font-size: 11px; }

/* ---------- Header / navigation ---------- */
/* Sticky header — active on every breakpoint.
   `position: -webkit-sticky` is retained for iOS Safari < 13. Note that this
   only works because neither html nor body sets `overflow-x: hidden`, which
   would create a scroll container and silently disable stickiness (see
   global.css). The .scrolled state is applied by global.js once the page has
   scrolled past a small threshold. */
header {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(243, 240, 232, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur-base) var(--ease), background var(--dur-base) var(--ease);
}
header.scrolled {
  background: rgba(243, 240, 232, 0.97);
  box-shadow: var(--shadow-sm);
}
/* Fallback for browsers without backdrop-filter (older Firefox): use an opaque
   background so nav text never sits over scrolling content. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  header { background: var(--paper); }
  header.scrolled { background: var(--paper); }
}
.nav { height: var(--nav-height); display: flex; align-items: center; justify-content: space-between; gap: var(--space-7); }
/* Wordmark tracking is deliberately tighter than --tracking-display; it is a
   brand lockup, not body heading type. */
.logo { font: 700 25px var(--font-display); letter-spacing: -0.06em; }
.logo span { color: var(--accent-strong); }
.nav-links { display: flex; gap: var(--space-6); list-style: none; }
.nav-links a {
  font: 500 11px var(--font-mono);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
  transition: color var(--dur-base) var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-cta-item { display: none; }
.menu { display: none; padding: var(--space-2); margin-right: -8px; }
.menu i { display: block; width: 23px; height: 2px; background: var(--ink); margin: var(--space-1) 0; transition: transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease); }
.menu[aria-expanded="true"] i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.menu[aria-expanded="true"] i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Capability rows ---------- */
.service-list { border-top: 1px solid var(--line); }
.service {
  display: grid;
  grid-template-columns: 68px 1fr 1.05fr 28px;
  gap: var(--space-6);
  padding: var(--space-7) 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.service-num { color: var(--accent-strong); padding-top: var(--space-1); }
.service h3 { font: 600 clamp(26px, 2.8vw, 38px)/0.98 var(--font-display); letter-spacing: var(--tracking-display); }
.service p { color: var(--muted); font-size: 14px; line-height: var(--lh-body); }
.service-arrow { font-size: 22px; color: var(--muted); transition: transform var(--dur-base) var(--ease), color var(--dur-base) var(--ease); }
.service:hover .service-arrow { transform: translateX(6px); color: var(--accent-strong); }
.service:hover .pill { border-color: rgba(184, 70, 25, 0.35); }
.service-detail { grid-column: 2/-1; display: flex; flex-wrap: wrap; gap: var(--space-1); }

/* ---------- Assurance cards (on dark) ---------- */
.assure-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); }
.assure-card { padding: var(--space-7) var(--space-6) var(--space-8) 0; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.assure-card + .assure-card { padding-left: var(--space-6); }
.assure-card:last-child { border-right: 0; }
.assure-no { color: var(--accent-light); margin-bottom: var(--space-9); display: inline-block; transition: transform var(--dur-base) var(--ease); }
.assure-card h3 { font: 600 22px/var(--lh-heading) var(--font-display); letter-spacing: var(--tracking-heading); }
.assure-card p { font-size: 14px; line-height: var(--lh-body); color: rgba(245, 241, 231, 0.72); margin-top: var(--space-3); }

/* Industry tags */
.industry-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-8); }
.industry-tags span { padding: var(--space-2) var(--space-3); border: 1px solid var(--line-dark); color: rgba(245, 241, 231, 0.78); font: 500 11px var(--font-mono); letter-spacing: var(--tracking-mono); text-transform: uppercase; }

/* ---------- FAQ accordion ---------- */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 28px;
  gap: var(--space-4);
  align-items: start;
  text-align: left;
  padding: var(--space-5) 0;
  color: var(--ink);
  font: 600 19px/1.25 var(--font-display);
  letter-spacing: var(--tracking-heading);
  transition: color var(--dur-base) var(--ease);
}
.faq-question > span:first-child { min-width: 0; overflow-wrap: break-word; }
.faq-question:hover,
.faq-item.open .faq-question { color: var(--accent-strong); }
.faq-icon { font: 400 24px/1 var(--font-sans); color: var(--accent-strong); transition: transform var(--dur-base) var(--ease); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
/* Collapsed state is scoped to .js: without scripting the accordion cannot be
   opened, so every answer stays expanded and readable rather than unreachable. */
.js .faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--dur-slow) var(--ease); }
.faq-answer p { font-size: 15px; line-height: var(--lh-body); color: var(--muted); padding: 0 var(--space-9) var(--space-6) 0; max-width: 680px; }

/* ---------- Contact form ---------- */
.form { background: var(--paper); color: var(--ink); padding: var(--space-8); }
.form-lead { font-size: 14px; color: var(--muted); line-height: var(--lh-body); margin-bottom: var(--space-6); padding-bottom: var(--space-5); border-bottom: 1px solid var(--line); }
.field { margin-bottom: var(--space-5); }
.field label { display: block; color: var(--muted); font: 500 11px var(--font-mono); letter-spacing: var(--tracking-mono); text-transform: uppercase; margin-bottom: var(--space-2); }
.field .opt { text-transform: none; letter-spacing: 0; opacity: 0.75; }
.field input, .field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  padding: var(--space-2) 0;
  font-size: 15px;
  outline: 0;
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  transition: border-color var(--dur-base) var(--ease);
}
.field input:focus, .field textarea:focus { border-color: var(--accent-strong); box-shadow: 0 1px 0 0 var(--accent-strong); }
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 3px; }
.field textarea { resize: vertical; min-height: 104px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.field input:invalid, .field textarea:invalid { box-shadow: none; }
.field input.invalid, .field textarea.invalid { border-color: var(--accent-strong); }
.field-error { display: block; min-height: 15px; margin-top: var(--space-1); font: 500 11px var(--font-mono); letter-spacing: 0.02em; color: var(--accent-strong); }
.form button { width: 100%; }
/* Neutralise native WebKit button chrome on the submit button only, so the
   shared .btn used elsewhere (nav, hero) is untouched. */
#contact-form .btn { appearance: none; -webkit-appearance: none; -moz-appearance: none; border-radius: 0; }
.form-note { font-size: 12px; line-height: var(--lh-body); color: var(--muted); text-align: center; margin-top: var(--space-3); }
.form-note a { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 2px; }
.form-banner { margin: 0 0 var(--space-4); padding: var(--space-3); border: 1px solid var(--line); font-size: 14px; line-height: var(--lh-body); color: var(--ink); background: var(--paper2); }
.form-banner a { color: var(--accent-strong); text-decoration: underline; }
.form-banner-error { border-color: var(--accent-strong); background: var(--accent-wash); }
/* Honeypot. Off-canvas rather than display:none so bots still see a real field. */
.hp-field { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; margin: 0; }

.success { display: none; text-align: center; padding: var(--space-10) var(--space-2); }
.form.sent .form-fields { display: none; }
.form.sent .success { display: block; }
.success h3 { font: 600 30px/1 var(--font-display); margin-top: var(--space-2); }
.success p { color: var(--muted); font-size: 15px; line-height: var(--lh-body); margin-top: var(--space-2); }
.success-reset {
  display: inline-flex; align-items: center; gap: var(--space-2);
  margin-top: var(--space-6); padding: 0;
  color: var(--accent-strong);
  font: 500 11px var(--font-mono); letter-spacing: var(--tracking-mono); text-transform: uppercase;
  transition: color var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}
.success-reset:hover { color: var(--accent-hover); transform: translateY(-1px); }

/* ---------- Site footer ---------- */
.site-footer { background: var(--dark-3); color: var(--light); padding: var(--space-10) 0 var(--space-6); }
.footer-top { display: flex; justify-content: space-between; gap: var(--space-10); padding-bottom: var(--space-9); }
.footer-brand p { color: rgba(245, 241, 231, 0.62); font-size: 13px; line-height: var(--lh-body); max-width: 340px; margin-top: var(--space-4); }
.footer-contact { margin-top: var(--space-4); display: flex; flex-direction: column; gap: var(--space-1); }
.footer-contact a { color: var(--accent-light); font: 500 11px var(--font-mono); letter-spacing: var(--tracking-mono); }
.footer-contact a:hover { color: #fff; }
.footer-nav { display: flex; gap: var(--space-11); }
.footer-nav div { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-nav span { color: var(--accent-light); }
.footer-nav a { color: rgba(245, 241, 231, 0.7); font: 500 11px var(--font-mono); text-transform: uppercase; letter-spacing: var(--tracking-mono); transition: color var(--dur-fast) var(--ease); }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(245, 241, 231, 0.12);
  padding-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  color: rgba(245, 241, 231, 0.62);
  font: 500 11px var(--font-mono);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav-links { gap: var(--space-4); }
  .nav > .btn { display: none; }
  .assure-grid { grid-template-columns: 1fr 1fr; }
  .assure-card:nth-child(2) { border-right: 0; }
  .assure-card:nth-child(2n) { padding-left: var(--space-6); }
  .assure-card:nth-child(2n+1) { padding-left: 0; }
}

@media (max-width: 760px) {
  .menu { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0; right: 0;
    top: var(--nav-height);
    background: var(--paper);
    padding: var(--space-5) var(--space-4) var(--space-6);
    flex-direction: column;
    gap: var(--space-4);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-cta-item { display: block; margin-top: var(--space-1); }
  .nav-cta-mobile { width: 100%; color:#fff!important}

  .section-top { display: block; margin-bottom: var(--space-7); }
  .section-intro { margin-top: var(--space-4); max-width: none; }

  /* Explicit placement: with 3 columns but 4 auto-placed children the
     description was forced into the 20px arrow column and overflowed. */
  .service { grid-template-columns: 40px 1fr 22px; gap: var(--space-2); padding: var(--space-6) 0; }
  .service-num { grid-column: 1; grid-row: 1; padding-top: var(--space-1); }
  .service h3 { grid-column: 2; grid-row: 1; }
  .service-arrow { grid-column: 3; grid-row: 1; }
  .service p { grid-column: 1 / -1; grid-row: 2; margin-top: var(--space-2); }
  .service-detail { grid-column: 1 / -1; grid-row: 3; margin-top: var(--space-3); }

  .assure-grid { grid-template-columns: 1fr; }
  .assure-card, .assure-card + .assure-card { padding: var(--space-6) 0 var(--space-6); border-right: 0; }
  .assure-no { margin-bottom: var(--space-4); }

  .faq-question { font-size: 17px; padding: var(--space-5) 0; }
  .faq-answer p { font-size: 14px; padding-right: var(--space-3); }

  .form { padding: var(--space-6); }
  .field-row { grid-template-columns: 1fr; gap: 0; }

}

/* The footer carries three link columns plus the brand block. Below ~900px the
   row no longer fits without squeezing column text, so it stacks here rather
   than at the 760px navigation breakpoint. */
@media (max-width: 900px) {
  .footer-top { display: block; }
  .footer-nav { margin-top: var(--space-8); gap: var(--space-9); flex-wrap: wrap; }
}

@media (max-width: 430px) {
  .footer-nav { gap: var(--space-7); }
  .footer-nav div { min-width: 44%; }
}