/* ── Reset ────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #f7f8fa;
  --bg2:        #ffffff;
  --bg3:        #eef0f4;
  --border:     #dde0e8;
  --border2:    #c8ccd6;
  --navy:       #1a2744;
  --navy2:      #243058;
  --blue:       #2557d6;
  --blue-light: #e8eeff;
  --green:      #0a7c52;
  --green-light:#e6f5ef;
  --text:       #1a2744;
  --text2:      #4a5568;
  --text3:      #8a95a8;
  --card-bg:    #ffffff;
  --radius:     10px;
  --radius-sm:  6px;
  --shadow:     0 1px 4px rgba(26,39,68,0.08), 0 4px 16px rgba(26,39,68,0.06);
  --shadow-lg:  0 4px 24px rgba(26,39,68,0.12);
  --font:       'Inter', system-ui, sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --mono:       'JetBrains Mono', 'Courier New', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Nav ──────────────────────────────────────────────────────────────────── */
.nav {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  position: sticky; top: 0; z-index: 100;
}
.nav__inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 62px;
}
.nav__logo {
  font-size: 1rem; font-weight: 600; color: var(--navy);
  text-decoration: none; display: flex; align-items: center; gap: 0.4rem;
  letter-spacing: -0.01em;
}
.nav__logo-mark { color: var(--blue); font-size: 1.2rem; }
.nav__tld { color: var(--blue); }
.nav__links { display: flex; gap: 2rem; }
.nav__links a {
  color: var(--text2); text-decoration: none; font-size: 0.875rem; font-weight: 500;
  transition: color 0.15s;
}
.nav__links a:hover { color: var(--blue); }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: start;
  max-width: 1200px; margin: 0 auto;
  padding: 5rem 2rem;
}
.hero__eyebrow {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 1.25rem;
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 600; line-height: 1.15;
  color: var(--navy); letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}
.hero__title em { font-style: italic; color: var(--blue); }
.hero__sub {
  font-size: 1rem; color: var(--text2); line-height: 1.7;
  max-width: 480px; margin-bottom: 1.75rem;
}
.hero__trust {
  display: flex; gap: 1.25rem; flex-wrap: wrap;
}
.hero__trust span {
  font-size: 0.82rem; font-weight: 500; color: var(--green);
  background: var(--green-light);
  padding: 0.3rem 0.75rem; border-radius: 100px;
  border: 1px solid rgba(10, 124, 82, 0.2);
}

/* ── Query panel ──────────────────────────────────────────────────────────── */
.hero__form-wrap { position: sticky; top: 78px; }
.query-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.query-panel__header {
  background: var(--navy);
  padding: 1.25rem 1.5rem;
}
.query-panel__header h2 {
  font-size: 1rem; font-weight: 600; color: #fff;
  margin-bottom: 0.2rem;
}
.query-panel__header p { font-size: 0.8rem; color: rgba(255,255,255,0.6); }

.search-form { padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: flex; gap: 0.75rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; flex: 1; }
.form-group--wide { flex: 2; }

label {
  font-size: 0.72rem; font-weight: 600; color: var(--text3);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.req { color: var(--blue); }

input, select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font); font-size: 0.9rem;
  padding: 0.6rem 0.8rem;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 87, 214, 0.12);
  background: var(--bg2);
}
select { cursor: pointer; }
input::placeholder { color: var(--text3); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  border: none; border-radius: var(--radius-sm);
  font-family: var(--font); font-weight: 600; cursor: pointer;
  transition: all 0.18s; text-decoration: none;
}
.btn--primary {
  background: var(--blue); color: #fff;
  padding: 0.75rem 1.5rem; font-size: 0.9rem; width: 100%;
  box-shadow: 0 2px 8px rgba(37, 87, 214, 0.3);
}
.btn--primary:hover {
  background: #1f48bb;
  box-shadow: 0 4px 16px rgba(37, 87, 214, 0.4);
  transform: translateY(-1px);
}
.btn--cta {
  background: var(--navy); color: #fff;
  padding: 0.85rem 1.5rem; font-size: 0.95rem; width: 100%;
}
.btn--cta:hover { background: var(--navy2); transform: translateY(-1px); }
.btn--outline {
  background: transparent; border: 1px solid var(--border2);
  color: var(--text2); padding: 0.65rem 1.25rem; font-size: 0.875rem;
}
.btn--outline:hover { border-color: var(--blue); color: var(--blue); }
.hidden { display: none !important; }
.btn__loader { font-size: 0.85rem; opacity: 0.85; }

/* ── Spinner ──────────────────────────────────────────────────────────────── */
.spinner-wrap {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.75rem; padding: 2rem 1.5rem;
  color: var(--text2); font-size: 0.85rem;
}
.spinner {
  width: 32px; height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Multiple results ─────────────────────────────────────────────────────── */
.results-multiple { padding: 1.5rem; border-top: 1px solid var(--border); }
.results-multiple h3 { font-size: 0.9rem; font-weight: 600; color: var(--navy); margin-bottom: 0.4rem; }
.results-multiple p { font-size: 0.8rem; color: var(--text2); margin-bottom: 0.75rem; }
.results-list { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.results-list li {
  padding: 0.65rem 0.9rem; border: 1px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer;
  font-size: 0.85rem; color: var(--text2); transition: border-color 0.15s, color 0.15s;
}
.results-list li:hover { border-color: var(--blue); color: var(--navy); }

/* ── Preview card ─────────────────────────────────────────────────────────── */
.preview-card { border-top: 1px solid var(--border); }
.preview-card__header { padding: 1.25rem 1.5rem 1rem; }
.preview-card__badge {
  display: inline-block;
  background: var(--green-light); color: var(--green);
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; padding: 0.2rem 0.65rem; border-radius: 100px;
  border: 1px solid rgba(10,124,82,0.2);
  margin-bottom: 0.5rem;
}
.preview-card__header h3 {
  font-size: 0.95rem; font-weight: 600; color: var(--navy); line-height: 1.4;
}
.preview-card__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--border);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.preview-item {
  background: var(--card-bg); padding: 0.9rem 1.25rem;
}
.preview-item__label {
  display: block; font-size: 0.68rem; font-weight: 600;
  color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}
.preview-item__value { font-size: 0.875rem; color: var(--navy); font-weight: 500; }
.mono { font-family: var(--mono); font-size: 0.78rem !important; color: var(--blue) !important; }

.preview-card__cta { padding: 1.25rem 1.5rem; }
.preview-card__desc { font-size: 0.8rem; color: var(--text2); margin-bottom: 0.85rem; line-height: 1.5; }
.preview-card__security { font-size: 0.75rem; color: var(--text3); margin-top: 0.6rem; }

/* ── Error card ───────────────────────────────────────────────────────────── */
.error-card {
  padding: 2rem 1.5rem; border-top: 1px solid var(--border);
  text-align: center;
}
.error-card__icon { font-size: 1.5rem; display: block; margin-bottom: 0.5rem; }
.error-card h3 { font-size: 0.95rem; font-weight: 600; color: var(--navy); margin-bottom: 0.4rem; }
.error-card p { font-size: 0.85rem; color: var(--text2); margin-bottom: 1rem; }

/* ── Methodology ──────────────────────────────────────────────────────────── */
.methodology { padding: 6rem 2rem; background: var(--bg2); border-top: 1px solid var(--border); }
.methodology .container {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start;
}
.section-eyebrow {
  display: block; font-size: 0.72rem; font-weight: 600;
  color: var(--blue); text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.section-eyebrow.center { text-align: center; }
.methodology__text h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem; font-weight: 600;
  color: var(--navy); letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.methodology__text p {
  font-size: 0.9rem; color: var(--text2); line-height: 1.7; margin-bottom: 0.75rem;
}
.link-ext {
  color: var(--blue); font-size: 0.875rem; font-weight: 500; text-decoration: none;
}
.link-ext:hover { text-decoration: underline; }
.methodology__features { display: flex; flex-direction: column; gap: 1.25rem; }
.feature {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1rem 1.25rem; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--bg);
}
.feature__icon { font-size: 1.25rem; flex-shrink: 0; margin-top: 0.1rem; }
.feature h4 { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.2rem; color: var(--navy); }
.feature p { font-size: 0.8rem; color: var(--text2); }

/* ── Sectors ──────────────────────────────────────────────────────────────── */
.sectors { padding: 6rem 2rem; background: var(--bg); }
.container { max-width: 1200px; margin: 0 auto; }
.section-title {
  font-family: var(--font-serif);
  font-size: 1.5rem; font-weight: 600;
  color: var(--navy); text-align: center;
  letter-spacing: -0.01em; margin-bottom: 3rem;
}
.sectors__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.sector-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.sector-card:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.sector-card__num {
  font-family: var(--mono); font-size: 0.75rem; font-weight: 500;
  color: var(--blue); margin-bottom: 0.75rem; letter-spacing: 0.05em;
}
.sector-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--navy); }
.sector-card p { font-size: 0.83rem; color: var(--text2); line-height: 1.6; }

/* ── FAQ ──────────────────────────────────────────────────────────────────── */
.faq { padding: 6rem 2rem; background: var(--bg2); border-top: 1px solid var(--border); }
.faq__list { max-width: 680px; margin: 0 auto; display: flex; flex-direction: column; gap: 1px; }
.faq__item {
  background: var(--card-bg); border: 1px solid var(--border);
  overflow: hidden;
}
.faq__item:first-child { border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.faq__item:last-child  { border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
.faq__item summary {
  padding: 1rem 1.25rem; cursor: pointer; font-weight: 500;
  font-size: 0.9rem; list-style: none; user-select: none;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--navy);
}
.faq__item summary::after { content: '+'; color: var(--blue); font-weight: 600; }
.faq__item[open] summary::after { content: '−'; }
.faq__item p {
  padding: 0 1.25rem 1rem; font-size: 0.85rem; color: var(--text2); line-height: 1.7;
  border-top: 1px solid var(--border);
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  background: var(--navy);
}
.footer__inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  text-align: center;
}
.footer__brand { font-weight: 600; color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer__nav { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.footer__nav a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.82rem; }
.footer__nav a:hover { color: #fff; }
.footer__copy { font-size: 0.75rem; color: rgba(255,255,255,0.35); }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 2.5rem; padding: 3rem 1.5rem; }
  .hero__form-wrap { position: static; }
  .methodology .container { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 600px) {
  .form-row { flex-direction: column; }
  .preview-card__grid { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .hero__trust { flex-direction: column; gap: 0.5rem; }
}