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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  color: #111827;
  background: #f3f4f6;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

main {
  background: #f9fafb;
}

/* Layout Shell */
.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: #111827;
}

.page-main {
  flex: 1;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* Header & Navigation */
.site-header {
  border-bottom: 1px solid rgba(209, 213, 219, 0.8);
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 30px;
  height: 30px;
  border-radius: 0.55rem;
  background: #2563eb;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.15);
}

.brand-logo span {
  font-size: 0.9rem;
  font-weight: 700;
  color: #020617;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #111827;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: #6b7280;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.main-nav {
  display: none;
  gap: 1rem;
  font-size: 0.9rem;
}

.main-nav a {
  color: #4b5563;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
}

.main-nav a:hover,
.main-nav a.is-active {
  background: rgba(37, 99, 235, 0.06);
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(209, 213, 219, 0.9);
  background: #f9fafb;
}

.lang-label {
  text-transform: uppercase;
  color: #6b7280;
  font-weight: 500;
}

.lang-links {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.lang-links a {
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
  color: #374151;
}

.lang-links a.is-active {
  background: #2563eb;
  color: #f9fafb;
  font-weight: 600;
}

.lang-links a:hover {
  background: rgba(37, 99, 235, 0.08);
}

@media (min-width: 900px) {
  .main-nav {
    display: flex;
  }
}

/* Hero & Layout Blocks */
.hero {
  padding-top: 2.25rem;
  padding-bottom: 2.5rem;
}

.hero-inner {
  max-width: 720px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.15rem 0.6rem 0.15rem 0.3rem;
  border-radius: 999px;
  border: 1px solid rgba(52, 211, 153, 0.4);
  background: radial-gradient(circle at left, rgba(45, 212, 191, 0.2), transparent 65%);
  color: #a5b4fc;
  font-size: 0.75rem;
  margin-bottom: 0.9rem;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #22c55e;
  color: #022c22;
  font-size: 0.7rem;
  font-weight: 700;
}

.eyebrow span:last-child {
  color: #9ca3af;
}

.hero-title {
  font-size: clamp(2rem, 3vw + 1rem, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 0.9rem;
  color: #111827;
}

.hero-highlight {
  background: linear-gradient(120deg, #2563eb, #16a34a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-size: 0.98rem;
  color: #4b5563;
  max-width: 36rem;
  margin-bottom: 1.4rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.8rem;
}

.meta-pill {
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(209, 213, 219, 0.9);
  color: #374151;
}

.meta-pill strong {
  color: #2563eb;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
  margin-bottom: 1.4rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: 999px;
  border: none;
  background: #2563eb;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.25);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
}

.btn-primary:hover {
  filter: brightness(1.05);
  text-decoration: none;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(209, 213, 219, 0.9);
  color: #374151;
  font-size: 0.85rem;
}

.btn-outline:hover {
  background: #e5e7eb;
  text-decoration: none;
}

.hero-metric {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.8rem;
  color: #9ca3af;
}

.hero-metric strong {
  color: #e5e7eb;
}

.hero-card {
  display: none;
}

.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.hero-card-title {
  font-size: 0.85rem;
  color: #111827;
}

.hero-card-label {
  font-size: 0.7rem;
  color: #6b7280;
}

.hero-card-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.9rem;
}

.mini-metric {
  padding: 0.55rem 0.6rem;
  border-radius: 0.9rem;
  background: #f9fafb;
  border: 1px solid rgba(229, 231, 235, 0.9);
}

.mini-metric-label {
  font-size: 0.7rem;
  color: #6b7280;
  margin-bottom: 0.2rem;
}

.mini-metric-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: #111827;
}

.mini-metric-sub {
  font-size: 0.7rem;
  color: #16a34a;
}

.hero-img-wrapper {
  margin-top: 1.25rem;
  border-radius: 0.9rem;
  overflow: hidden;
  border: 1px solid rgba(229, 231, 235, 0.9);
  background: #f9fafb;
  max-width: 420px;
}

.hero-img-wrapper img {
  width: 100%;
  display: block;
}

/* Content Layout */

.article-main {
  font-size: 0.96rem;
  color: #111827;
}

.article-main h1 {
  font-size: 1.7rem;
  margin-bottom: 1.1rem;
  color: #111827;
}

.article-main h2 {
  font-size: 1.15rem;
  margin-top: 1.8rem;
  margin-bottom: 0.75rem;
  color: #111827;
}

.article-main h3 {
  font-size: 1rem;
  margin-top: 1.15rem;
  margin-bottom: 0.5rem;
  color: #2563eb;
}

.article-main p {
  margin-bottom: 0.85rem;
  color: #4b5563;
}

.article-main ul {
  margin: 0.3rem 0 1rem 1.1rem;
}

.article-main li {
  margin-bottom: 0.35rem;
}

.article-image {
  margin: 1.1rem auto;
  max-width: 420px;
  border-radius: 0.9rem;
  overflow: hidden;
  border: 1px solid rgba(229, 231, 235, 0.9);
  background: #ffffff;
}

.article-image img {
  display: block;
}

.side-panel {
  border-radius: 1rem;
  padding: 1.2rem 1.25rem;
  background: #ffffff;
  border: 1px solid rgba(229, 231, 235, 0.9);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.side-section {
  margin-bottom: 1.5rem;
}

.side-section:last-child {
  margin-bottom: 0;
}

.side-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 0.6rem;
}

.side-text {
  font-size: 0.85rem;
  color: #4b5563;
}

.side-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
}

.side-links a {
  color: #2563eb;
}

.side-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem 0.2rem 0.4rem;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.3);
  background: rgba(219, 234, 254, 0.9);
  color: #1d4ed8;
  font-size: 0.7rem;
  margin-bottom: 0.45rem;
}

/* FAQ */
.faq {
  margin-top: 2.5rem;
}

.faq-title {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  color: #111827;
}

.faq-list {
  border-radius: 0.9rem;
  border: 1px solid rgba(229, 231, 235, 0.9);
  background: #ffffff;
  overflow: hidden;
}

.faq-item + .faq-item {
  border-top: 1px solid rgba(229, 231, 235, 0.9);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 0.9rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  color: #111827;
  font-size: 0.9rem;
}

.faq-question:hover {
  background: #f3f4f6;
  cursor: pointer;
}

.faq-icon {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(209, 213, 219, 0.9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #6b7280;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding-bottom 0.25s ease;
  padding: 0 1rem;
}

.faq-answer-inner {
  padding-bottom: 0.75rem;
  font-size: 0.85rem;
  color: #4b5563;
}

.faq-item.is-open .faq-answer {
  max-height: 260px;
}

.faq-item.is-open .faq-icon {
  background: #2563eb;
  border-color: #2563eb;
  color: #eff6ff;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(209, 213, 219, 0.8);
  background: #ffffff;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.2rem 1.25rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-size: 0.8rem;
  color: #6b7280;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.footer-links a {
  color: #2563eb;
  font-size: 0.8rem;
}

@media (min-width: 780px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}