/* ==========================================================================
   RA Safety Associates LLC — brand palette per style guidelines
   ========================================================================== */
:root {
  --navy: #0B1B3D;            /* Deep Anchor Navy — primary base */
  --navy-deep: #081430;
  --navy-raised: #10234c;
  --graphite: #2C3539;        /* Matte Graphite — structural elements */
  --slate: #5A6577;           /* Slate Gray — borders, icons, details */
  --platinum: #E5E4E2;        /* Platinum Silver — highlights */
  --body-text: #B7C0CF;
  --muted-text: #8B96A8;
  --hairline: rgba(90, 101, 119, 0.35);
  --font-head: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--body-text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container {
  width: min(1100px, 100% - 3rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--platinum);
  color: var(--navy);
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

a { color: var(--platinum); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--platinum);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--font-head);
  color: var(--platinum);
  line-height: 1.2;
  margin: 0;
}

section { scroll-margin-top: 5.5rem; }

/* ==========================================================================
   Header / nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 20, 48, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}

.nav {
  width: min(1100px, 100% - 3rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.8rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.brand img { width: 44px; height: auto; }

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--platinum);
}
.brand-sub {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--slate);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--body-text);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--platinum); }

.nav-cta {
  border: 1px solid var(--slate);
  border-radius: 3px;
  padding: 0.5rem 1rem;
  color: var(--platinum) !important;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav-cta:hover {
  border-color: var(--platinum);
  background: rgba(229, 228, 226, 0.06);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--platinum);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: clamp(4rem, 10vh, 7rem) 1.5rem 5rem;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(35, 60, 116, 0.55), transparent 70%),
    repeating-linear-gradient(0deg, rgba(90, 101, 119, 0.07) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, rgba(90, 101, 119, 0.07) 0 1px, transparent 1px 56px),
    var(--navy);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  max-width: 820px;
  margin-inline: auto;
}

.hero-logo {
  width: clamp(220px, 30vw, 300px);
  margin-bottom: 2.25rem;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.35));
}

.eyebrow {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 1.25rem;
}

.hero h1 {
  font-size: clamp(2.3rem, 5.5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero-sub {
  max-width: 640px;
  margin: 1.5rem auto 0;
  font-size: 1.125rem;
  color: var(--body-text);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
}
.chips li {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--platinum);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  background: rgba(44, 53, 57, 0.35);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.btn {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 3px;
  padding: 0.95rem 1.9rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn-primary {
  background: var(--platinum);
  color: var(--navy);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.btn-ghost {
  border: 1px solid var(--slate);
  color: var(--platinum);
}
.btn-ghost:hover {
  border-color: var(--platinum);
  background: rgba(229, 228, 226, 0.06);
}

/* Engineering-level rule under the hero: a measured tick line echoing the
   gauge crossbar in the monogram */
.hero-rule,
.ruler {
  height: 12px;
  background:
    repeating-linear-gradient(90deg, var(--hairline) 0 1px, transparent 1px 18px) left bottom / 100% 6px no-repeat,
    repeating-linear-gradient(90deg, rgba(90, 101, 119, 0.6) 0 1px, transparent 1px 90px) left bottom / 100% 12px no-repeat,
    linear-gradient(var(--hairline), var(--hairline)) left bottom / 100% 1px no-repeat;
}
.hero-rule {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
}

/* ==========================================================================
   Stats band
   ========================================================================== */
.stats {
  background: var(--navy-deep);
  border-bottom: 1px solid var(--hairline);
  padding: 2.75rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat { text-align: center; }
.stat-value {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--platinum);
  letter-spacing: 0.04em;
}
.stat-label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-text);
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding: clamp(4rem, 9vh, 6.5rem) 0; }

.section-alt {
  background: linear-gradient(180deg, var(--navy-deep), var(--navy));
  border-block: 1px solid rgba(90, 101, 119, 0.18);
}

.section-head {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.section-num {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--slate);
}
.section-num::after { content: " /"; }

.section-head h2,
.contact-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.section-head .ruler { align-self: center; }

/* ---- Firm profile ---- */
.profile-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: start;
}

.profile-text p { margin: 0 0 1.4rem; }
.profile-text p:last-child { margin-bottom: 0; }
.profile-text strong { color: var(--platinum); font-weight: 600; }

.profile-callout {
  position: relative;
  background: linear-gradient(160deg, rgba(44, 53, 57, 0.55), rgba(44, 53, 57, 0.2));
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 2rem;
}
.callout-mark {
  width: 44px;
  height: 3px;
  background: linear-gradient(90deg, var(--graphite) 50%, var(--platinum) 50%);
  margin-bottom: 1.4rem;
}
.profile-callout blockquote { margin: 0; }
.profile-callout blockquote p {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--platinum);
  margin: 0;
}
.callout-attr {
  margin: 1.5rem 0 0;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body-text);
}
.callout-attr span { color: var(--slate); font-size: 0.78rem; }

/* ---- Services ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.card {
  background: linear-gradient(165deg, rgba(44, 53, 57, 0.5), rgba(44, 53, 57, 0.18));
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 2rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(229, 228, 226, 0.45);
}
.card-wide { grid-column: 1 / -1; }

.card-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--hairline);
  border-radius: 5px;
  color: var(--platinum);
  margin-bottom: 1.4rem;
}
.card-icon svg { width: 26px; height: 26px; }

.card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}
.card p { margin: 0; font-size: 0.98rem; }

/* ---- Expertise ---- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
}
.expertise-grid li {
  position: relative;
  padding: 1.15rem 1rem 1.15rem 2.6rem;
  border-bottom: 1px solid rgba(90, 101, 119, 0.22);
}
.expertise-grid li::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 1.55rem;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--platinum);
  border-bottom: 2px solid var(--platinum);
  transform: rotate(-45deg);
}

/* ---- Timeline ---- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--hairline);
}
.timeline li {
  position: relative;
  padding: 0 0 2.6rem 2.6rem;
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 13px;
  height: 13px;
  border: 2px solid var(--slate);
  border-radius: 50%;
  background: var(--navy);
}
.timeline li:first-child::before {
  border-color: var(--platinum);
  background: var(--platinum);
}
.timeline h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.timeline-org {
  margin: 0.3rem 0 0.7rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}
.timeline p { margin: 0; max-width: 62ch; }

/* ---- Credentials ---- */
.cred-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.25rem;
}
.cred {
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 1.5rem 1.25rem;
  text-align: center;
  background: rgba(44, 53, 57, 0.25);
  transition: border-color 0.25s ease;
}
.cred:hover { border-color: rgba(229, 228, 226, 0.45); }
.cred-abbr {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.1em;
  color: var(--platinum);
}
.cred-name {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--muted-text);
}

.affiliations {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin: 2.5rem 0 0;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(90, 101, 119, 0.22);
}
.affiliations-label {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
}
.affiliation-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.affiliation-chips span {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--platinum);
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 0.35rem 0.8rem;
}

/* ---- Contact ---- */
.section-contact {
  background:
    radial-gradient(ellipse 70% 60% at 85% 20%, rgba(35, 60, 116, 0.5), transparent 70%),
    var(--navy-deep);
  border-top: 1px solid var(--hairline);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-text .section-num { display: block; margin-bottom: 0.75rem; }
.contact-text h2 { margin-bottom: 1.25rem; }
.contact-text p { margin: 0 0 2rem; max-width: 46ch; }

.contact-card {
  background: var(--platinum);
  border-radius: 8px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.contact-logo { width: 200px; margin-bottom: 1.75rem; }

.contact-list {
  margin: 0;
  text-align: left;
}
.contact-list > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.7rem 0;
  border-top: 1px solid rgba(44, 53, 57, 0.18);
}
.contact-list dt {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}
.contact-list dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--graphite);
  text-align: right;
}
.contact-list dd a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 500;
}
.contact-list dd a:hover { text-decoration: underline; }

.noscript-note {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  color: var(--slate);
}

/* ---- Contact form ---- */
.contact-form {
  display: grid;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.form-field { display: grid; gap: 0.45rem; }

.form-field label {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}
.form-field .req { color: var(--platinum); }

.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--platinum);
  background: rgba(44, 53, 57, 0.35);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 0.75rem 0.9rem;
  transition: border-color 0.2s ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: rgba(229, 228, 226, 0.6);
}
.form-field ::placeholder { color: rgba(139, 150, 168, 0.7); }

.form-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%235A6577' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.4rem;
}
.form-field select option { background: var(--navy-deep); color: var(--platinum); }

.form-field textarea { resize: vertical; min-height: 120px; }

/* Honeypot — visually removed, present for bots that fill every field */
.form-hp {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin: 0;
  min-height: 1.2em;
  font-size: 0.9rem;
  color: var(--body-text);
}
.form-status.is-error { color: #E2A9A0; }

.form-success {
  margin: 0;
  background: rgba(44, 53, 57, 0.35);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--platinum);
  border-radius: 4px;
  padding: 1.4rem 1.6rem;
  color: var(--platinum);
}

.contact-form .btn {
  justify-self: start;
  border: 0;
  cursor: pointer;
}
.contact-form .btn[disabled] {
  opacity: 0.65;
  cursor: default;
  transform: none;
  box-shadow: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--navy-deep);
  border-top: 1px solid var(--hairline);
  padding: 2.5rem 0;
  text-align: center;
}
.footer-brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--platinum);
  margin: 0;
}
.footer-tag {
  margin: 0.6rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}
.footer-copy {
  margin: 1.5rem 0 0;
  font-size: 0.78rem;
  color: var(--muted-text);
}

/* ==========================================================================
   Reveal animation
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .btn { transition: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .profile-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy-deep);
    border-bottom: 1px solid var(--hairline);
    padding: 0.5rem 1.5rem 1.25rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 0.55rem 0; }
  .nav-cta { display: inline-block; margin-top: 0.5rem; text-align: center; }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .section-head {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
  .section-head .ruler { margin-top: 0.75rem; }
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .contact-form .btn { justify-self: stretch; text-align: center; }
}