:root {
  --bg: #0b0c10;
  --panel: #111217;
  --text: #e5e7eb;
  --muted: #9aa1aa;
  --brand: #e11d48;
  --accent: #f59e0b;
  --border: #1f2430;
  --success: #10b981;
  --danger: #ef4444;
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu,
    Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(
      1200px 800px at 80% -10%,
      rgba(225, 29, 72, 0.15),
      transparent 60%
    ),
    radial-gradient(
      900px 600px at 0% 0%,
      rgba(245, 158, 11, 0.12),
      transparent 60%
    ),
    var(--bg);
  line-height: 1.6;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: static;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--brand);
  color: white;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(
    180deg,
    rgba(11, 12, 16, 0.9),
    rgba(11, 12, 16, 0.6)
  );
  backdrop-filter: saturate(1.3) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}
.brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  font-weight: 700;
}
.brand-logo {
  height: 28px;
  width: auto;
  display: block;
}
.brand-name {
  letter-spacing: 0.02em;
}

.nav-toggle {
  background: none;
  border: 0;
  display: grid;
  gap: 4px;
  padding: 6px;
  cursor: pointer;
}
.nav-toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--text);
  display: block;
}

.site-nav {
  display: none;
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1rem;
}
.site-nav a {
  color: var(--text);
  text-decoration: none;
  padding: 0.5rem 0.25rem;
}
.site-nav a:hover,
.site-nav a:focus {
  color: white;
}

@media (min-width: 760px) {
  .site-nav {
    display: block;
  }
  .nav-toggle {
    display: none;
  }
}

/* Mobile menu expanded */
.site-nav.open {
  display: block;
  padding: 0.5rem 0;
}
.site-nav.open ul {
  flex-direction: column;
  gap: 0.25rem;
}

.hero {
  padding: 3.5rem 0 2.5rem;
  border-top: 1px solid var(--border);
  background-image: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.55),
      rgba(0, 0, 0, 0.35)
    ),
    url("./images/IMG_8884.jpg");
  background-repeat: no-repeat, no-repeat;
  background-size: auto, cover;
  background-attachment: scroll, scroll; /* ensure it scrolls with page */
  background-position: center, var(--hero-bg-pos, center 35%);
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
}
.hero p {
  color: var(--muted);
  margin: 0 0 1rem;
}
.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.section {
  padding: 3rem 0;
}
.section.alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section h2 {
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  margin: 0 0 1rem;
}

.content {
  display: grid;
  gap: 1rem;
}
.two-col {
  grid-template-columns: 1fr;
}
@media (min-width: 860px) {
  .two-col {
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
  }
}

.note,
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}
.note {
  position: relative;
  overflow: hidden;
}
.note::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
      180deg,
      rgba(11, 12, 16, 0.88),
      rgba(11, 12, 16, 0.95)
    ),
    url("./images/boston-map-tiles.svg");
  background-repeat: no-repeat;
  background-position: center, right 8% center;
  background-size: auto, 620px auto;
  opacity: 0.55;
  pointer-events: none;
}
@media (prefers-color-scheme: light) {
  .note::before {
    opacity: 0.35;
  }
}
.tag {
  display: inline-block;
  background: rgba(225, 29, 72, 0.12);
  color: #fecdd3;
  border: 1px solid rgba(225, 29, 72, 0.35);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  font-size: 0.85rem;
}

.checklist {
  padding-left: 1.1rem;
}
.checklist li {
  margin: 0.25rem 0;
}

details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin: 0.5rem 0;
}
details[open] {
  border-color: #2a3140;
}
summary {
  cursor: pointer;
  font-weight: 600;
}

.form-field {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}
label {
  font-weight: 600;
}
input,
textarea {
  background: #0f1116;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 0.6rem 0.7rem;
  font: inherit;
}
input:focus,
textarea:focus {
  outline: 2px solid rgba(225, 29, 72, 0.35);
  border-color: rgba(225, 29, 72, 0.5);
}
.hp {
  position: absolute;
  left: -9999px;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  background: #151823;
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn:hover {
  border-color: #2a3140;
  color: white;
}
.btn-primary {
  background: linear-gradient(
    180deg,
    rgba(225, 29, 72, 0.95),
    rgba(225, 29, 72, 0.8)
  );
  border-color: rgba(225, 29, 72, 0.6);
  color: white;
}
.btn-primary:hover {
  filter: brightness(1.05);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
#form-status {
  min-height: 1.25rem;
  font-size: 0.95rem;
  color: var(--muted);
}
#form-status.success {
  color: var(--success);
}
#form-status.error {
  color: var(--danger);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--muted);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.small {
  font-size: 0.9rem;
}

/* Certifications strip */
.certs {
  background: #67aeda;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}
.cert-logos {
  list-style: none;
  margin: 0;
  padding: 1rem 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(60px, 1fr));
  gap: 1.25rem;
  align-items: center;
  justify-items: center;
}
.cert-logos img {
  max-height: 54px;
  width: auto;
  display: block;
  background: transparent;
}
@media (max-width: 720px) {
  .cert-logos {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
@media (min-width: 820px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}
.gallery a {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0f1116;
}
.gallery img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  filter: saturate(1.02) contrast(1.02);
}
.gallery a:focus-visible {
  outline: 2px solid rgba(225, 29, 72, 0.5);
  outline-offset: 2px;
}

/* Lightbox */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.lightbox-backdrop.open {
  display: flex;
}
.lightbox-image {
  max-width: min(92vw, 1100px);
  max-height: 86vh;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0f1116;
}
.lightbox-caption {
  margin-top: 0.5rem;
  color: var(--muted);
  text-align: center;
}
.lightbox-close {
  position: fixed;
  top: 12px;
  right: 12px;
  background: #151823;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}