/* ===== Top info bar ===== */
.topbar {
  background: var(--navy-950);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel-400);
  letter-spacing: 0.04em;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; padding-top: 0.5rem; padding-bottom: 0.5rem; flex-wrap: wrap; gap: 0.5rem; }
.topbar-status { display: flex; align-items: center; gap: 1.6rem; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal-cyan); display: inline-block; margin-right: 0.5em; box-shadow: 0 0 6px var(--signal-cyan); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }
.topbar a:hover { color: var(--signal-cyan); }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 18, 29, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 0; gap: 2rem; }
.logo-link img { height: 38px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 2rem; }
.main-nav ul { list-style: none; display: flex; gap: 1.8rem; margin: 0; padding: 0; }
.main-nav a {
  font-size: 0.88rem; font-weight: 500; color: var(--steel-200);
  position: relative; padding: 0.4rem 0; transition: color var(--dur-fast) var(--ease);
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--paper-100); }
.main-nav a[aria-current="page"]::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--signal-cyan);
}
.nav-dropdown { position: relative; }
.nav-dropdown-panel {
  position: absolute; top: calc(100% + 1rem); left: 50%; transform: translateX(-50%) translateY(6px);
  background: var(--charcoal-800); border: 1px solid var(--line-strong); border-radius: var(--radius-md);
  min-width: 220px; padding: 0.6rem; opacity: 0; visibility: hidden; transition: all var(--dur-fast) var(--ease);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown:focus-within .nav-dropdown-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-dropdown-panel a { display: block; padding: 0.55rem 0.7rem; border-radius: var(--radius-sm); font-size: 0.85rem; }
.nav-dropdown-panel a:hover { background: var(--charcoal-700); color: var(--signal-cyan); }
.header-cta { display: flex; align-items: center; gap: 1rem; }

.mobile-toggle { display: none; background: none; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); width: 42px; height: 42px; cursor: pointer; }
.mobile-toggle span { display: block; width: 20px; height: 2px; background: var(--paper-100); margin: 4px auto; transition: all var(--dur-fast) var(--ease); }
.mobile-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.mobile-toggle.is-open span:nth-child(2) { opacity: 0; }
.mobile-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav { display: none; position: fixed; inset: 0; top: var(--header-h, 64px); background: var(--navy-950); z-index: 99; padding: 1.5rem var(--gutter); overflow-y: auto; }
.mobile-nav.is-open { display: block; }
.mobile-nav ul { list-style: none; padding: 0; margin: 0; }
.mobile-nav > ul > li { border-bottom: 1px solid var(--line); }
.mobile-nav a { display: block; padding: 1rem 0; font-size: 1.05rem; }
.mobile-nav .sub-list { padding-left: 1rem; display: none; }
.mobile-nav .sub-list.is-open { display: block; }
.mobile-nav .sub-toggle { display: flex; justify-content: space-between; align-items: center; width: 100%; background: none; border: none; color: var(--paper-100); font-size: 1.05rem; padding: 1rem 0; cursor: pointer; font-family: var(--font-body); }

@media (max-width: 960px) {
  .main-nav { display: none; }
  .mobile-toggle { display: block; }
  .header-cta .btn-ghost { display: none; }
}

/* ===== Footer ===== */
.site-footer { background: var(--navy-950); border-top: 1px solid var(--line); padding: 4rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1.3fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line); }
.footer-col h5 { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--steel-400); margin-bottom: 1.1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.7rem; }
.footer-col a { font-size: 0.9rem; color: var(--steel-200); }
.footer-col a:hover { color: var(--signal-cyan); }
.footer-brand img { height: 34px; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.88rem; color: var(--steel-400); max-width: 30ch; }
.footer-social { display: flex; gap: 0.8rem; margin-top: 1.2rem; }
.footer-social a { width: 34px; height: 34px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; }
.footer-social a:hover { border-color: var(--signal-cyan); color: var(--signal-cyan); }
.newsletter-form { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.newsletter-form input { flex: 1; background: var(--charcoal-800); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 0.7em 0.9em; color: var(--paper-100); font-size: 0.85rem; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 1.5rem; font-size: 0.78rem; color: var(--steel-400); flex-wrap: wrap; gap: 0.8rem; }
.footer-bottom-links { display: flex; gap: 1.5rem; }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ===== Breadcrumb ===== */
.breadcrumb { font-family: var(--font-mono); font-size: 0.76rem; color: var(--steel-400); padding: 1.2rem 0; text-transform: uppercase; letter-spacing: 0.05em; }
.breadcrumb a:hover { color: var(--signal-cyan); }
.breadcrumb span { margin: 0 0.5em; }

/* ===== Stats ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.stat-cell { background: var(--charcoal-800); padding: 2rem 1.5rem; text-align: left; }
.stat-num { font-family: var(--font-mono); font-size: var(--step-3); color: var(--paper-100); font-weight: 500; }
.stat-num .unit { color: var(--signal-cyan); font-size: 0.6em; }
.stat-label { font-size: 0.82rem; color: var(--steel-400); margin-top: 0.4rem; }
@media (max-width: 760px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== Testimonial ===== */
.testimonial-card { border-left: 2px solid var(--signal-cyan); padding-left: 1.6rem; }
.testimonial-card blockquote { font-family: var(--font-display); font-size: var(--step-1); color: var(--paper-100); margin: 0 0 1.2rem; font-weight: 400; }
.testimonial-meta { font-size: 0.85rem; color: var(--steel-400); }
.testimonial-meta strong { color: var(--paper-100); display: block; }

/* ===== Partner carousel ===== */
.partner-carousel { overflow: hidden; position: relative; -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); }
.partner-track { display: flex; gap: 4rem; width: max-content; animation: scroll-track 28s linear infinite; }
.partner-carousel:hover .partner-track { animation-play-state: paused; }
.partner-track img { height: 40px; width: auto; filter: grayscale(1) brightness(1.6) opacity(0.6); transition: filter var(--dur-med) var(--ease); cursor: pointer; }
.partner-track a:hover img { filter: none; }
@keyframes scroll-track { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== FAQ Accordion ===== */
.accordion-item { border-bottom: 1px solid var(--line); }
.accordion-trigger { width: 100%; text-align: left; background: none; border: none; padding: 1.4rem 0; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-family: var(--font-display); font-size: 1.05rem; color: var(--paper-100); gap: 1rem; }
.accordion-trigger .plus { font-family: var(--font-mono); color: var(--signal-cyan); font-size: 1.2rem; transition: transform var(--dur-fast) var(--ease); flex-shrink: 0; }
.accordion-item.is-open .plus { transform: rotate(45deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height var(--dur-med) var(--ease); }
.accordion-panel-inner { padding-bottom: 1.4rem; color: var(--steel-400); font-size: 0.95rem; }

/* ===== Forms ===== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-field { display: flex; flex-direction: column; gap: 0.5rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.82rem; color: var(--steel-400); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.04em; }
.form-field input, .form-field select, .form-field textarea {
  background: var(--charcoal-800); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  padding: 0.85em 1em; color: var(--paper-100); font-family: var(--font-body); font-size: 0.95rem;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--signal-cyan); outline: none; }
.form-field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.78rem; color: var(--steel-400); }
.form-status { margin-top: 1rem; padding: 0.9rem 1.1rem; border-radius: var(--radius-sm); font-size: 0.88rem; display: none; }
.form-status.success { display: block; background: rgba(47,211,196,0.1); border: 1px solid var(--signal-cyan); color: var(--signal-cyan); }
.form-status.error { display: block; background: rgba(224,80,80,0.1); border: 1px solid #e05050; color: #e88; }
.form-conditional { display: none; }
.form-conditional.is-active { display: grid; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

/* ===== Filters ===== */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.5rem; }
.filter-chip { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.55em 1.1em; border: 1px solid var(--line-strong); border-radius: 999px; background: transparent; color: var(--steel-400); cursor: pointer; transition: all var(--dur-fast) var(--ease); }
.filter-chip:hover { border-color: var(--signal-cyan); color: var(--signal-cyan); }
.filter-chip.is-active { background: var(--accent-blue); border-color: var(--accent-blue); color: var(--paper-100); }

/* ===== Pagination ===== */
.pagination { display: flex; gap: 0.5rem; justify-content: center; margin-top: 2.5rem; font-family: var(--font-mono); font-size: 0.85rem; }
.pagination button { width: 36px; height: 36px; border: 1px solid var(--line-strong); background: transparent; color: var(--steel-200); border-radius: var(--radius-sm); cursor: pointer; }
.pagination button.is-active { background: var(--accent-blue); border-color: var(--accent-blue); color: #fff; }

/* ===== Grids ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.8rem; }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

/* Section heading pattern */
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; margin-bottom: 2.8rem; flex-wrap: wrap; }
.section-head h2 { margin: 0; }
.section-head p { max-width: 46ch; color: var(--steel-400); margin: 0; }

.tag { display: inline-block; font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.3em 0.7em; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--steel-400); }