/* === Base === */
:root {
  --bg: #F5F4F0;
  --bg-card: #FFFFFF;
  --fg: #111110;
  --fg-muted: #6B6B6B;
  --accent: #1A6B4A;
  --accent-light: #E8F4EE;
  --accent-text: #1A6B4A;
  --border: #DDDBD5;
  --hero-badge: #1A6B4A;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;

  --radius: 6px;
  --radius-lg: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === Nav === */
.site-nav {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

/* === Section helpers === */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: 12px;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 48px;
}

/* === Hero === */
.hero {
  padding: 80px 40px 80px;
  border-bottom: 1px solid var(--border);
}
.hero-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hero-badge);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(42px, 5.5vw, 68px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-lede {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 480px;
}

/* Briefing card */
.briefing-card {
  background: #111;
  border-radius: var(--radius-lg);
  padding: 24px;
  color: #fff;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.briefing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.briefing-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #888;
}
.briefing-date {
  font-size: 12px;
  color: #666;
}
.briefing-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.briefing-item {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 14px;
  border-left: 3px solid transparent;
}
.briefing-item--alert { border-left-color: #F59E0B; }
.briefing-item--news  { border-left-color: #60A5FA; }
.briefing-item--info  { border-left-color: #34D399; }
.item-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  background: rgba(255,255,255,0.1);
  color: #aaa;
  margin-bottom: 8px;
  display: inline-block;
}
.item-text {
  font-size: 13px;
  line-height: 1.5;
  color: #E5E5E5;
  margin-bottom: 6px;
}
.item-meta {
  font-size: 11px;
  color: #666;
}

/* === How It Works === */
.how-it-works {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.step-card {
  padding: 0;
}
.step-number {
  display: block;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  color: var(--border);
  line-height: 1;
  margin-bottom: 20px;
}
.step-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--fg);
  margin-bottom: 12px;
}
.step-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === What You Get === */
.what-you-get {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}
.feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* === Briefing Preview === */
.briefing-preview {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.briefing-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.briefing-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}
.briefing-facts {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.briefing-facts li {
  font-size: 14px;
  color: var(--fg);
  padding-left: 20px;
  position: relative;
}
.briefing-facts li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.email-mock {
  background: #fff;
  border: 1px solid #E5E0D8;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
.email-header-bar {
  background: #1A6B4A;
  height: 6px;
}
.email-from {
  font-size: 12px;
  color: var(--fg-muted);
  padding: 14px 20px 4px;
}
.email-subject {
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  padding: 4px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.email-body {
  padding: 20px;
}
.email-section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-muted);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.email-item {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
}
.email-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.email-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
}
.email-badge--red    { background: #FEF2F2; color: #B91C1C; }
.email-badge--green  { background: #F0FDF4; color: #15803D; }
.email-badge--yellow  { background: #FFFBEB; color: #B45309; }
.email-source {
  font-size: 11px;
  color: var(--fg-muted);
}
.email-item-text {
  font-size: 13px;
  color: var(--fg);
  line-height: 1.5;
}

/* === Closing === */
.closing {
  padding: 80px 0;
}
.closing-inner {
  max-width: 700px;
}
.closing-statement {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 400;
  font-style: italic;
  color: var(--fg);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 16px;
  color: var(--fg-muted);
}

/* === Footer === */
.site-footer {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--fg);
}
.footer-note {
  font-size: 13px;
  color: var(--fg-muted);
}

/* === Responsive === */
@media (max-width: 900px) {
  .hero-grid,
  .briefing-split,
  .steps-grid,
  .features-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero { padding: 60px 24px; }
  .section-inner { padding: 0 24px; }
  .site-nav { padding: 16px 24px; }
  .footer-inner { padding: 0; }
  .nav-tagline { display: none; }
}

@media (max-width: 600px) {
  .hero-headline { font-size: 36px; }
  .step-number { font-size: 36px; }
  .closing-statement { font-size: 22px; }
}