*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
:root {
  --ink: #1a1814;
  --ink-soft: #3a3530;
  --ink-muted: #78726a;
  --paper: #f7f3ec;
  --paper-warm: #ede7da;
  --accent: #e8a820;
  --accent-light: #fdf3d4;
  --accent-dark: #b07d0e;
  --navy: #1c3f7a;
  --navy-light: #e8eef8;
  --white: #ffffff;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--paper); color: var(--ink); line-height: 1.6; overflow-x: hidden; }
/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1.25rem 2rem;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(247,243,236,0.94); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26,24,20,0.08);
}
.nav-logo { font-family: var(--serif); font-size: 1.25rem; font-weight: 400; color: var(--ink); text-decoration: none; letter-spacing: -0.02em; }
.nav-logo span { color: var(--accent); font-style: italic; }
.nav-cta { background: var(--navy); color: var(--paper); font-family: var(--sans); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.55rem 1.25rem; border: none; border-radius: 2px; cursor: pointer; text-decoration: none; transition: background 0.2s; }
.nav-cta:hover { background: var(--accent); color: var(--ink); }
/* HERO — map left, text right */
.hero { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; padding-top: 4.5rem; }
/* MAP PANEL */
.hero-map-panel { position: relative; background: #162d5a; overflow: hidden; }
#boston-map { width: 100%; height: 100vh; min-height: 600px; }
/* Leaflet attribution styling */
.leaflet-control-attribution { background: rgba(15,14,12,0.7) !important; color: rgba(245,242,236,0.4) !important; font-size: 9px !important; }
.leaflet-control-attribution a { color: rgba(245,242,236,0.5) !important; }
.leaflet-control-zoom a { background: rgba(15,14,12,0.85) !important; color: rgba(245,242,236,0.7) !important; border-color: rgba(245,242,236,0.1) !important; }
.leaflet-control-zoom a:hover { background: rgba(200,82,26,0.8) !important; color: white !important; }
/* Custom map overlay — proposed run card */
.map-overlay-card {
  position: absolute; bottom: 5rem; left: 1.5rem; z-index: 500;
  background: rgba(22,45,90,0.92); border: 1px solid rgba(232,168,32,0.4);
  border-radius: 6px; padding: 1rem 1.25rem; min-width: 200px;
  backdrop-filter: blur(8px);
}
.map-overlay-label { font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(232,168,32,0.9); font-weight: 600; margin-bottom: 0.5rem; }
.map-overlay-run { font-family: var(--serif); font-size: 1rem; font-style: italic; color: rgba(247,243,236,0.95); margin-bottom: 0.2rem; }
.map-overlay-detail { font-size: 0.75rem; color: rgba(247,243,236,0.5); margin-bottom: 0.75rem; }
.map-overlay-btns { display: flex; gap: 0.5rem; }
.map-btn-accept { background: var(--accent); color: var(--ink); border: none; font-family: var(--sans); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.35rem 0.75rem; border-radius: 2px; cursor: pointer; }
.map-btn-suggest { background: transparent; color: rgba(247,243,236,0.45); border: 1px solid rgba(247,243,236,0.15); font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.35rem 0.75rem; border-radius: 2px; cursor: pointer; }
/* Map stat bar at bottom */
.map-stats {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 500;
  display: flex; gap: 1px; background: rgba(28,63,122,0.95);
}
.map-stat { flex: 1; padding: 0.85rem 1.25rem; border-top: 1px solid rgba(232,168,32,0.2); }
.map-stat-num { font-family: var(--serif); font-size: 1.4rem; font-weight: 300; color: rgba(245,242,236,0.9); letter-spacing: -0.02em; line-height: 1; margin-bottom: 0.2rem; }
.map-stat-label { font-size: 0.65rem; color: rgba(245,242,236,0.35); letter-spacing: 0.08em; text-transform: uppercase; }
/* TEXT PANEL */
.hero-text-panel {
  display: flex; flex-direction: column; justify-content: center;
  padding: 5rem 5vw 5rem 3.5rem;
}
.hero-tag { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.75rem; }
.hero-tag::before { content: ''; display: block; width: 28px; height: 1px; background: var(--accent); }
.hero-headline { font-family: var(--serif); font-size: clamp(2.75rem, 4vw, 5rem); font-weight: 300; line-height: 1.05; letter-spacing: -0.03em; color: var(--ink); margin-bottom: 1.75rem; }
.hero-headline em { font-style: italic; color: var(--accent); }
.hero-sub { font-size: 1.05rem; color: var(--ink-soft); line-height: 1.7; max-width: 420px; margin-bottom: 2.5rem; font-weight: 300; }
.hero-cta-btn { display: inline-block; align-self: flex-start; background: var(--ink); color: var(--paper); text-decoration: none; border: none; padding: 0.9rem 1.75rem; font-family: var(--sans); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; cursor: pointer; border-radius: 3px; transition: background 0.2s; white-space: nowrap; }
.hero-cta-btn:hover { background: var(--accent); }
.hero-note { margin-top: 0.9rem; font-size: 0.78rem; color: var(--ink-muted); }
/* Success message — shown via JS by removing the `hidden` attribute */
.success-msg { display: flex; align-items: center; gap: 0.75rem; background: var(--accent-light); border: 1.5px solid var(--accent); border-radius: 3px; padding: 0.9rem 1.25rem; max-width: 400px; font-size: 0.9rem; color: var(--ink); font-weight: 500; }
/* ANIMATIONS */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
.hero-text-panel > * { opacity: 0; animation: fadeUp 0.65s ease forwards; }
.hero-tag { animation-delay: 0.2s; }
.hero-headline { animation-delay: 0.35s; }
.hero-sub { animation-delay: 0.5s; }
.hero-cta-btn { animation-delay: 0.62s; }
.hero-note { animation-delay: 0.72s; }
/* SECTIONS */
.section { padding: 80px 5vw; }
.section-label { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); font-weight: 500; margin-bottom: 0.75rem; }
/* PROBLEM */
.problem { background: var(--paper-warm); }
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; margin-top: 3rem; }
.problem-headline { font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 3.25rem); font-weight: 300; line-height: 1.15; letter-spacing: -0.025em; }
.problem-headline em { font-style: italic; color: var(--accent); }
.problem-cards { display: flex; flex-direction: column; gap: 1px; }
.problem-card { background: var(--white); padding: 1.5rem 1.75rem; border-left: 3px solid transparent; transition: border-color 0.2s; }
.problem-card:hover { border-left-color: var(--accent); }
.problem-card-num { font-family: var(--serif); font-size: 0.85rem; font-style: italic; color: var(--ink-muted); margin-bottom: 0.5rem; }
.problem-card h3 { font-size: 1rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--ink); }
.problem-card p { font-size: 0.9rem; color: var(--ink-soft); line-height: 1.6; font-weight: 300; }
/* HOW */
.how { background: var(--paper); }
.how-header { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: end; margin-bottom: 4rem; }
.how-headline { font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 3.25rem); font-weight: 300; line-height: 1.15; letter-spacing: -0.025em; }
.how-headline em { font-style: italic; color: var(--accent); }
.how-desc { font-size: 1rem; color: var(--ink-soft); line-height: 1.75; font-weight: 300; padding-bottom: 0.25rem; }
.how-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(15,14,12,0.1); border: 1px solid rgba(15,14,12,0.1); }
.how-step { background: var(--paper); padding: 2.5rem 2rem; }
.step-icon { width: 40px; height: 40px; border-radius: 50%; background: var(--accent-light); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.step-icon svg { width: 18px; height: 18px; }
.how-step h3 { font-size: 1rem; font-weight: 500; color: var(--ink); margin-bottom: 0.5rem; }
.how-step p { font-size: 0.875rem; color: var(--ink-soft); line-height: 1.65; font-weight: 300; }
/* WHY */
.why { background: var(--navy); color: var(--paper); }
.why .section-label { color: rgba(245,242,236,0.4); }
.why-headline { font-family: var(--serif); font-size: clamp(2.25rem, 4vw, 4rem); font-weight: 300; line-height: 1.1; letter-spacing: -0.03em; max-width: 700px; margin-bottom: 4rem; }
.why-headline em { font-style: italic; color: var(--accent); }
.why-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; }
.why-card { background: rgba(245,242,236,0.04); border: 1px solid rgba(245,242,236,0.08); padding: 2.5rem 2rem; transition: background 0.25s; }
.why-card:hover { background: rgba(245,242,236,0.07); }
.why-card-accent { width: 32px; height: 2px; background: var(--accent); margin-bottom: 1.5rem; }
.why-card h3 { font-size: 1.05rem; font-weight: 500; color: var(--paper); margin-bottom: 0.6rem; }
.why-card p { font-size: 0.875rem; color: rgba(245,242,236,0.55); line-height: 1.7; font-weight: 300; }
/* FOOTER CTA */
.footer-cta { background: var(--paper-warm); padding: 80px 5vw; display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.footer-cta-headline { font-family: var(--serif); font-size: clamp(2.25rem, 3.5vw, 3.5rem); font-weight: 300; line-height: 1.1; letter-spacing: -0.025em; }
.footer-cta-headline em { font-style: italic; color: var(--accent); }
.footer-form { display: flex; flex-direction: column; gap: 1rem; min-width: 0; }
.footer-input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.footer-input { padding: 0.875rem 1rem; border: 1.5px solid rgba(15,14,12,0.2); border-radius: 2px; background: var(--white); font-family: var(--sans); font-size: 0.9rem; color: var(--ink); outline: none; transition: border-color 0.2s; width: 100%; box-sizing: border-box; }
.footer-input:focus { border-color: var(--ink); }
.footer-input::placeholder { color: var(--ink-muted); }
.footer-select { padding: 0.875rem 1rem; border: 1.5px solid rgba(15,14,12,0.2); border-radius: 2px; background: var(--white); font-family: var(--sans); font-size: 0.9rem; color: var(--ink); outline: none; cursor: pointer; width: 100%; box-sizing: border-box; }
.footer-btn { background: var(--navy); color: var(--paper); border: none; padding: 1rem 2rem; font-family: var(--sans); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; cursor: pointer; border-radius: 2px; transition: background 0.2s; width: 100%; }
.footer-btn:hover { background: var(--accent); }
.footer-privacy { font-size: 0.75rem; color: var(--ink-muted); text-align: center; }
/* FOOTER */
footer { background: var(--navy); color: rgba(247,243,236,0.45); padding: 2.5rem 5vw; display: flex; align-items: center; justify-content: space-between; font-size: 0.8rem; flex-wrap: wrap; gap: 1rem; }
.footer-logo { font-family: var(--serif); font-size: 1.1rem; font-weight: 400; color: var(--paper); letter-spacing: -0.02em; }
.footer-logo span { color: var(--accent); font-style: italic; }
/* RESPONSIVE */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-map-panel { min-height: 380px; }
  #boston-map { height: 380px; min-height: 380px; }
  .hero-text-panel { padding: 3rem 1.5rem; }
  .problem-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .how-header { grid-template-columns: 1fr; gap: 1.5rem; }
  .how-steps { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .footer-cta { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-input-row { grid-template-columns: 1fr; }
  nav { padding: 1rem 1.5rem; }
  .section { padding: 48px 1.5rem; }
  .footer-cta { padding: 48px 1.5rem; }
  footer { flex-direction: column; text-align: center; }
  .map-overlay-card { bottom: 4.5rem; }
}
@media (max-width: 600px) {
  .how-steps { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }

}
/* CAROUSEL */
.carousel-wrap { position: relative; overflow: hidden; border-radius: 12px; }
.carousel-track { display: flex; transition: transform 0.45s cubic-bezier(0.4,0,0.2,1); }
.carousel-slide { min-width: 100%; position: relative; }
.carousel-slide img { width: 100%; aspect-ratio: 3/4; object-fit: cover; object-position: center center; display: block; }
.carousel-caption { position: absolute; bottom: 0; left: 0; right: 0; padding: 2rem 2.5rem; background: linear-gradient(transparent, rgba(22,45,90,0.7)); }
.carousel-caption-text { font-family: var(--serif); font-size: 1.05rem; font-style: italic; color: rgba(247,243,236,0.95); line-height: 1.5; }
.carousel-controls { display: flex; align-items: center; justify-content: center; gap: 1.5rem; margin-top: 1.5rem; }
.carousel-btn { width: 40px; height: 40px; border-radius: 50%; background: var(--navy); color: var(--paper); border: none; font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.2s; }
.carousel-btn:hover { background: var(--accent); color: var(--ink); }
.carousel-dots { display: flex; gap: 0.5rem; }
.carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(26,24,20,0.2); border: none; cursor: pointer; padding: 0; transition: background 0.2s; }
.carousel-dot.active { background: var(--accent); }