@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-color: #0a0e1a;
  --bg-gradient: radial-gradient(ellipse at 50% 0%, rgba(16, 32, 60, 0.8) 0%, #0a0e1a 70%);
  --panel-bg: rgba(255, 255, 255, 0.04);
  --panel-bg-strong: rgba(15, 23, 42, 0.74);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-border-hover: rgba(255, 255, 255, 0.15);
  --glass-blur: blur(20px);
  --primary: #22c55e;
  --primary-hover: #16a34a;
  --primary-glow: rgba(34, 197, 94, 0.15);
  --primary-glow-strong: rgba(34, 197, 94, 0.28);
  --text-main: #f0f4f8;
  --text-muted: rgba(148, 163, 184, 0.82);
  --text-dim: rgba(148, 163, 184, 0.55);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.12);
  --warning-border: rgba(245, 158, 11, 0.24);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.06);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-main);
  background: var(--bg-gradient);
  background-color: var(--bg-color);
  background-attachment: fixed;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(34, 197, 94, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(56, 189, 248, 0.03) 0%, transparent 50%);
}

a {
  color: var(--primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  color: #4ade80;
}

.site-shell,
.site-header,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 14, 26, 0.78);
  border-bottom: 1px solid var(--panel-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.site-header-inner,
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #064e3b 0%, #22c55e 100%);
  color: #ecfdf5;
  font-weight: 800;
  letter-spacing: -0.04em;
  box-shadow: 0 10px 30px rgba(34, 197, 94, 0.18);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong,
.site-nav,
.button,
.eyebrow,
.section-kicker,
.guide-meta,
.hero-card-kicker,
.article-meta,
.article-kicker {
  font-family: inherit;
}

.brand-copy strong {
  font-size: 1rem;
  font-weight: 800;
}

.brand-copy span:last-child {
  font-size: 0.92rem;
  color: var(--text-dim);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.nav-link,
.button {
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.nav-link {
  padding: 10px 14px;
  color: var(--text-main);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.nav-link:hover,
.button:hover {
  transform: translateY(-1px);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--panel-border-hover);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.03);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  background: var(--primary);
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 0 25px var(--primary-glow);
}

.button:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 25px var(--primary-glow-strong);
  color: #ffffff;
}

.button-secondary {
  background: var(--panel-bg);
  color: var(--text-main);
  border-color: var(--panel-border);
  box-shadow: none;
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--panel-border-hover);
  color: var(--text-main);
}

.button-small {
  padding: 10px 16px;
}

.section {
  padding: 38px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: center;
  padding-top: 42px;
}

.eyebrow,
.section-kicker,
.article-kicker,
.article-meta,
.guide-meta,
.hero-card-kicker {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.79rem;
  color: var(--primary);
}

.hero-copy h1,
.section h2,
.article-shell h1,
.article-shell h2,
.faq-item h3,
.card h3,
.guide-card h3,
.step h3,
.callout h2,
.contact-card h2 {
  margin: 0;
  font-family: inherit;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text-main);
}

.hero-copy h1,
.section h2,
.article-shell h1,
.article-shell h2,
.callout h2 {
  background: linear-gradient(135deg, #f0f4f8 0%, rgba(148, 163, 184, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  max-width: 11ch;
}

.lede,
.hero-copy p,
.section-head p,
.card p,
.guide-card p,
.step p,
.callout li,
.article-shell p,
.article-shell li,
.faq-item p,
.contact-card p {
  color: var(--text-muted);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-card,
.card,
.guide-card,
.callout,
.contact-card,
.article-aside-card,
.faq-item,
.article-main {
  background: var(--panel-bg-strong);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow), var(--shadow-glow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.hero-card,
.card,
.guide-card,
.contact-card,
.faq-item,
.callout,
.article-aside-card,
.article-main {
  position: relative;
  overflow: hidden;
}

.hero-card::before,
.card::before,
.guide-card::before,
.contact-card::before,
.faq-item::before,
.callout::before,
.article-aside-card::before,
.article-main::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 197, 94, 0.3), transparent);
}

.hero-card {
  padding: 28px;
}

.plain-list {
  margin: 0;
  padding-left: 22px;
}

.plain-list li + li {
  margin-top: 10px;
}

.section-head {
  max-width: 740px;
  margin-bottom: 24px;
}

.section-head h2,
.callout h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin-bottom: 14px;
}

.card-grid,
.guide-grid,
.contact-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card,
.guide-card,
.contact-card {
  padding: 24px;
}

.card h3,
.guide-card h3,
.step h3,
.faq-item h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.steps {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.step {
  display: flex;
  gap: 14px;
  padding: 22px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow);
}

.step-index {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(34, 197, 94, 0.14);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.two-col {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.callout {
  padding: 26px;
}

.callout-caution {
  background: rgba(245, 158, 11, 0.08);
  border-color: var(--warning-border);
}

.callout-caution .section-kicker {
  color: var(--warning);
}

.guide-card a,
.card a {
  font-weight: 700;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 28px;
  padding: 42px 0 56px;
}

.article-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  color: var(--text-dim);
  font-size: 0.92rem;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow);
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb-separator {
  color: var(--text-dim);
}

.article-main {
  padding: 34px;
}

.article-shell h1 {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  margin-bottom: 14px;
}

.article-shell h2 {
  font-size: 2rem;
  margin-top: 34px;
  margin-bottom: 10px;
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--text-dim);
  font-size: 0.94rem;
}

.article-meta-row a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
}

.article-meta-row a:hover {
  color: var(--primary);
}

.article-meta-separator {
  color: var(--text-dim);
}

.article-shell ul {
  padding-left: 22px;
}

.article-shell li + li {
  margin-top: 10px;
}

.article-aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.article-aside-card {
  padding: 22px;
  position: sticky;
  top: 92px;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  padding: 24px;
}

.site-footer {
  border-top: 1px solid var(--panel-border);
  margin-top: 28px;
  background: rgba(10, 14, 26, 0.6);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.site-footer p {
  margin: 6px 0 0;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--primary);
}

@media (max-width: 900px) {
  .hero-grid,
  .article-shell,
  .two-col {
    grid-template-columns: 1fr;
  }

  .article-aside-card {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav,
  .footer-links {
    justify-content: flex-start;
  }

  .article-main,
  .hero-card,
  .card,
  .guide-card,
  .contact-card,
  .faq-item,
  .callout,
  .article-aside-card {
    padding: 22px;
  }
}