/* ==========================================================================
   STBC Components
   ========================================================================== */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85em 1.6em;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-sm);
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--duration-base) var(--ease), color var(--duration-base) var(--ease), border-color var(--duration-base) var(--ease), transform var(--duration-fast) var(--ease);
  text-decoration: none !important;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-gold); color: var(--color-navy); }
.btn-primary:hover { background: var(--color-gold-light); }
.btn-secondary { background: transparent; color: var(--color-navy); border-color: var(--color-navy); }
.btn-secondary:hover { background: var(--color-navy); color: var(--color-white); }
.section--dark .btn-secondary { color: var(--color-white); border-color: rgba(255,255,255,0.5); }
.section--dark .btn-secondary:hover { background: var(--color-white); color: var(--color-navy); }
.btn-ghost { background: transparent; color: var(--color-blue); padding-inline: 0; }
.btn-ghost::after { content: "→"; margin-inline-start: 0.4em; display: inline-block; transition: transform var(--duration-base) var(--ease); }
html[dir="rtl"] .btn-ghost::after { content: "←"; }
.btn-ghost:hover::after { transform: translateX(4px); }
html[dir="rtl"] .btn-ghost:hover::after { transform: translateX(-4px); }
.btn-block { width: 100%; justify-content: center; }

/* --- Header --- */
.site-header {
  position: sticky; top: 0; z-index: 500;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.site-logo { display: flex; align-items: center; height: 40px; flex-shrink: 0; }
.site-logo img, .site-logo svg { height: 100%; width: auto; }

.primary-nav { display: flex; min-width: 0; }
.primary-nav__list { list-style: none; display: flex; flex-wrap: nowrap; gap: var(--space-5); margin: 0; padding: 0; align-items: center; }
.primary-nav__link {
  font-weight: 600; font-size: var(--fs-sm); color: var(--color-text); white-space: nowrap;
  padding: var(--space-2) 0; position: relative; display: inline-flex; align-items: center; gap: 4px;
}
.primary-nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--color-gold); transform: scaleX(0); transition: transform var(--duration-base) var(--ease);
}
.primary-nav__link:hover::after, .primary-nav__item.is-active .primary-nav__link::after { transform: scaleX(1); }
.primary-nav__item { position: relative; }
.primary-nav__caret { font-size: 0.6em; transition: transform var(--duration-base) var(--ease); }
.primary-nav__item:hover .primary-nav__caret { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: 100%; inset-inline-start: -1rem;
  min-width: 260px; background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  padding: var(--space-3); margin-top: var(--space-3);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity var(--duration-base) var(--ease), transform var(--duration-base) var(--ease), visibility var(--duration-base);
  list-style: none;
}
.primary-nav__item:hover .dropdown,
.primary-nav__item:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a {
  display: block; padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm);
  font-size: var(--fs-sm); font-weight: 500; color: var(--color-text);
}
.dropdown li a:hover { background: var(--color-surface-alt); color: var(--color-blue); }

.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.lang-selector { display: flex; gap: var(--space-1); font-size: var(--fs-xs); font-weight: 700; }
.lang-selector a { padding: 4px 8px; border-radius: var(--radius-sm); color: var(--color-muted); }
.lang-selector a[aria-current="true"] { color: var(--color-navy); background: var(--color-offwhite); }
.lang-selector a:hover { color: var(--color-navy); }

.mobile-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 40px; height: 40px; align-items: center; justify-content: center;
}
.mobile-toggle span, .mobile-toggle::before, .mobile-toggle::after {
  content: ""; display: block; width: 22px; height: 2px; background: var(--color-navy); margin: 4px auto;
  transition: transform var(--duration-base) var(--ease), opacity var(--duration-base) var(--ease);
}

.mobile-nav {
  position: fixed; inset: 0; top: var(--header-height);
  background: var(--color-white); z-index: 400;
  transform: translateX(100%); transition: transform var(--duration-base) var(--ease);
  overflow-y: auto; padding: var(--space-6) var(--space-5);
}
html[dir="rtl"] .mobile-nav { transform: translateX(-100%); }
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.mobile-nav > ul > li { border-bottom: 1px solid var(--color-border); }
.mobile-nav__link { display: flex; justify-content: space-between; align-items: center; padding: var(--space-4) 0; font-weight: 700; font-size: var(--fs-md); color: var(--color-navy); }
.mobile-nav__sub { display: none; padding-inline-start: var(--space-4); padding-bottom: var(--space-3); }
.mobile-nav__sub.is-open { display: block; }
.mobile-nav__sub a { display: block; padding: var(--space-2) 0; color: var(--color-muted); font-size: var(--fs-sm); }
.mobile-nav__lang { display: flex; gap: var(--space-3); margin-top: var(--space-6); }

@media (max-width: 1140px) {
  .primary-nav, .header-actions .lang-selector, .header-actions .btn { display: none; }
  .mobile-toggle { display: flex; }
  .header-actions { gap: var(--space-3); }
}

/* --- Hero --- */
.hero { padding-block: var(--space-9); background: var(--color-offwhite); position: relative; overflow: hidden; }
.hero--split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-8); align-items: center; }
.hero__media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4/3; background: linear-gradient(135deg, var(--color-navy), var(--color-blue)); }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero h1 { margin-bottom: var(--space-5); }
.hero__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-6); }
.hero--dark { background: var(--color-navy); color: var(--color-white); }
.hero--dark h1, .hero--dark h2 { color: var(--color-white); }
.hero--compact { padding-block: var(--space-7); }
@media (max-width: 900px) {
  .hero--split { grid-template-columns: 1fr; }
  .hero__media { order: -1; aspect-ratio: 16/9; }
}

/* --- Hero banner (full-width designed image with headline/copy baked in) --- */
.hero--banner { padding-block: 0; background: var(--color-offwhite); }
.hero-banner__image { width: 100%; line-height: 0; }
.hero-banner__image img { width: 100%; height: auto; display: block; }
.hero--banner .hero__actions {
  margin-top: 0; padding-block: var(--space-6); justify-content: center;
}
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* --- Trust strip --- */
.trust-strip { border-block: 1px solid var(--color-border); }
.trust-strip__list { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-5); list-style: none; margin: 0; padding: var(--space-6) 0; }
.trust-strip__item { flex: 1 1 200px; text-align: center; font-weight: 600; font-size: var(--fs-sm); color: var(--color-navy); }

/* --- Section header --- */
.section-header { max-width: 720px; margin-bottom: var(--space-7); }
.section-header--center { margin-inline: auto; text-align: center; }

/* --- Cards --- */
.card {
  background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  overflow: hidden; transition: transform var(--duration-base) var(--ease), box-shadow var(--duration-base) var(--ease);
  display: flex; flex-direction: column; height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card__media { aspect-ratio: 4/3; overflow: hidden; background: linear-gradient(135deg, var(--color-blue), var(--color-navy)); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration-base) var(--ease); }
.card:hover .card__media img { transform: scale(1.04); }
.card__body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.card__tag { font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-gold); }
.card__title { font-size: var(--fs-lg); margin: 0; }
.card__text { color: var(--color-muted); font-size: var(--fs-sm); flex: 1; }
.card__footer { margin-top: auto; padding-top: var(--space-3); }

.card--dark { background: var(--color-blue); border-color: var(--color-blue); color: var(--color-white); }
.card--dark .card__title, .card--dark .card__tag { color: var(--color-white); }
.card--dark .card__text { color: var(--color-muted-inverse); }

/* Solution card */
.solution-card { text-align: center; padding: var(--space-6); }
.solution-card__logo { height: 48px; display: flex; align-items: center; justify-content: center; margin: 0 auto var(--space-4); }
.solution-card__logo img { max-height: 100%; }

/* Developer logo grid */
.logo-grid { display: flex; flex-wrap: wrap; gap: var(--space-6); align-items: center; justify-content: center; }
.logo-grid__item { height: 56px; display: flex; align-items: center; justify-content: center; filter: grayscale(100%); opacity: 0.75; transition: filter var(--duration-base) var(--ease), opacity var(--duration-base) var(--ease); }
.logo-grid__item:hover { filter: grayscale(0%); opacity: 1; }
.logo-grid__item img { max-height: 100%; }

/* Pillars / numbered list */
.pillars { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.pillar__num { font-size: var(--fs-2xl); font-weight: 800; color: var(--color-gold); line-height: 1; margin-bottom: var(--space-3); }
@media (max-width: 640px) { .pillars { grid-template-columns: 1fr; } }

/* Process steps */
.process { display: flex; flex-wrap: wrap; gap: var(--space-4); list-style: none; margin: var(--space-6) 0; padding: 0; counter-reset: step; }
.process li {
  flex: 1 1 140px; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-4); text-align: center; font-weight: 700; font-size: var(--fs-sm); color: var(--color-navy); position: relative;
}
.section--dark .process li { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.14); color: var(--color-white); }
.process li:not(:last-child)::after {
  content: "→"; position: absolute; inset-inline-end: -22px; top: 50%; transform: translateY(-50%);
  color: var(--color-gold); font-weight: 700; display: none;
}
@media (min-width: 900px) { .process li:not(:last-child)::after { display: block; } }
html[dir="rtl"] .process li:not(:last-child)::after { content: "←"; }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0; border-inline-start: 2px solid var(--color-border); }
.timeline li { padding: 0 0 var(--space-7) var(--space-6); position: relative; }
html[dir="rtl"] .timeline li { padding: 0 var(--space-6) var(--space-7) 0; }
.timeline li::before {
  content: ""; position: absolute; inset-inline-start: -7px; top: 4px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--color-gold); border: 2px solid var(--color-white); box-shadow: 0 0 0 2px var(--color-gold);
}
.timeline__year { font-weight: 800; color: var(--color-navy); font-size: var(--fs-lg); }

/* FAQ (accordion) */
.faq { border-top: 1px solid var(--color-border); }
.faq__item { border-bottom: 1px solid var(--color-border); }
.faq__q {
  width: 100%; text-align: start; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  padding: var(--space-5) 0; font-weight: 700; font-size: var(--fs-md); color: var(--color-navy);
}
.faq__icon { flex-shrink: 0; transition: transform var(--duration-base) var(--ease); }
.faq__item[open] .faq__icon { transform: rotate(45deg); }
.faq__a { padding-bottom: var(--space-5); color: var(--color-muted); }

/* Breadcrumbs */
.breadcrumbs { padding-block: var(--space-4); font-size: var(--fs-xs); color: var(--color-muted); }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 0; padding: 0; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-inline-start: var(--space-2); color: var(--color-border-strong); }
html[dir="rtl"] .breadcrumbs li:not(:last-child)::after { content: "\\"; }
.breadcrumbs a { color: var(--color-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-blue); text-decoration: underline; }
.breadcrumbs [aria-current="page"] { color: var(--color-navy); font-weight: 600; }

/* CTA band */
.cta-band { background: var(--color-navy); color: var(--color-white); border-radius: var(--radius-lg); padding: var(--space-8); text-align: center; }
.cta-band h2 { color: var(--color-white); }
.cta-band .lead { color: var(--color-muted-inverse); margin-inline: auto; }
.cta-band__actions { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; margin-top: var(--space-6); }

/* Forms */
.form-group { margin-bottom: var(--space-5); }
.form-label { display: block; font-weight: 600; font-size: var(--fs-sm); margin-bottom: var(--space-2); color: var(--color-navy); }
.form-control {
  width: 100%; padding: 0.85em 1em; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm);
  background: var(--color-white); font-size: var(--fs-base);
}
.form-control:focus { border-color: var(--color-blue); }
textarea.form-control { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.honeypot-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-radio-group { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.form-radio-group label {
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); padding: var(--space-3) var(--space-5);
  cursor: pointer; font-weight: 600; font-size: var(--fs-sm); display: flex; align-items: center; gap: var(--space-2);
}
.form-radio-group input { accent-color: var(--color-navy); }
.form-note { font-size: var(--fs-xs); color: var(--color-muted); margin-top: var(--space-2); }
.form-status { padding: var(--space-4); border-radius: var(--radius-sm); margin-top: var(--space-5); display: none; }
.form-status.is-success { display: block; background: #E7F2EC; color: var(--color-success); }
.form-status.is-error { display: block; background: #F7E8E3; color: var(--color-error); }
fieldset { border: none; padding: 0; margin: 0; }
.conditional-fields { display: none; }
.conditional-fields.is-active { display: block; }

/* WhatsApp float */
.whatsapp-float {
  position: fixed; bottom: var(--space-5); inset-inline-end: var(--space-5); z-index: 300;
  width: 56px; height: 56px; border-radius: 50%; background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg);
  transition: transform var(--duration-base) var(--ease);
}
.whatsapp-float:hover { transform: scale(1.08); }
@media (min-width: 981px) {
  .whatsapp-float { width: 44px; height: 44px; bottom: var(--space-4); inset-inline-end: var(--space-4); opacity: 0.9; }
  .whatsapp-float:hover { opacity: 1; }
}

/* Footer */
.site-footer { background: var(--color-navy); color: var(--color-muted-inverse); padding-block: var(--space-8) var(--space-6); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: var(--space-7); }
.footer-brand__logo { height: 34px; margin-bottom: var(--space-4); }
.footer-col h3 { color: var(--color-white); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: var(--fs-sm); color: var(--color-muted-inverse); text-decoration: none; }
.footer-col a:hover { color: var(--color-white); }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.footer-social a { width: 36px; height: 36px; border: 1px solid rgba(255,255,255,0.25); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--color-white); text-decoration: none; }
.footer-social a:hover { background: var(--color-gold); border-color: var(--color-gold); color: var(--color-navy); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.14); margin-top: var(--space-8); padding-top: var(--space-5); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); font-size: var(--fs-xs); color: var(--color-muted-inverse); }
.footer-bottom ul { list-style: none; display: flex; gap: var(--space-5); margin: 0; padding: 0; }
.footer-bottom a { color: var(--color-muted-inverse); text-decoration: none; }
.footer-bottom a:hover { color: var(--color-white); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* 404 */
.error-page { text-align: center; padding-block: var(--space-10); }
.error-page__code { font-size: 6rem; font-weight: 800; color: var(--color-gold); line-height: 1; }
.error-page__actions { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; margin-top: var(--space-6); }

/* Article / insights */
.article-header { max-width: var(--container-narrow); margin: 0 auto var(--space-7); }
.article-meta { color: var(--color-muted); font-size: var(--fs-sm); margin-bottom: var(--space-3); }
.article-body { max-width: var(--container-narrow); margin-inline: auto; font-size: var(--fs-md); line-height: var(--lh-normal); }
.article-body h2 { margin-top: var(--space-8); }
.article-body ul { margin-bottom: var(--space-5); }

.tag-filter { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-7); }
.tag-filter a { padding: var(--space-2) var(--space-4); border: 1px solid var(--color-border-strong); border-radius: 999px; font-size: var(--fs-xs); font-weight: 700; color: var(--color-text); text-decoration: none; }
.tag-filter a.is-active, .tag-filter a:hover { background: var(--color-navy); border-color: var(--color-navy); color: var(--color-white); }

/* Check list (services, benefits) */
.check-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3) var(--space-6); }
.check-list li { position: relative; padding-inline-start: 1.9em; font-size: var(--fs-sm); color: var(--color-text); }
.check-list li::before {
  content: ""; position: absolute; inset-inline-start: 0; top: 0.35em; width: 14px; height: 14px;
  border-radius: 3px; background: var(--color-gold);
}
@media (max-width: 640px) { .check-list { grid-template-columns: 1fr; } }

/* Standards table */
.standards-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.standards-list li { display: flex; gap: var(--space-5); align-items: baseline; border-bottom: 1px solid var(--color-border); padding-bottom: var(--space-4); }
.standards-list .code { font-weight: 800; color: var(--color-navy); min-width: 120px; }
.standards-list .name { color: var(--color-muted); }

.disclaimer-note { border-inline-start: 3px solid var(--color-gold); padding-inline-start: var(--space-4); color: var(--color-muted); font-size: var(--fs-sm); margin: var(--space-6) 0; }

.placeholder-note {
  border: 1px dashed var(--color-border-strong); border-radius: var(--radius-md); padding: var(--space-5);
  color: var(--color-muted); font-size: var(--fs-sm); background: var(--color-offwhite);
}