/* BlockShoals Technologies — Brand-aligned styles
   Per Brand Guidelines v1.0 (April 2026):
   - Primary typeface: Arial / Helvetica Neue
   - Palette: Teal #00B8A9, Charcoal #333, Slate #666, Cloud White #F5F5F5
*/

:root {
  --teal: #00B8A9;
  --teal-dark: #009688;
  --dark-bg: #0D0D0D;
  --charcoal: #333333;
  --slate: #666666;
  --cloud: #F5F5F5;
  --white: #FFFFFF;
  --border: #E5E7EB;

  --font-sans: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --max-w: 1180px;
  --radius: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-dark); text-decoration: underline; }

img, svg { display: block; max-width: 100%; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Press announcement banner ---------- */
.press-banner {
  display: block;
  position: relative;
  background: #000;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.15s ease;
}
.press-banner:hover { color: var(--white); text-decoration: none; }
.press-banner:hover .press-banner__cta { border-bottom-color: var(--teal); color: var(--teal); }
.press-banner__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 28px 64px 28px 24px;
}
.press-banner__content { min-width: 0; }
.press-banner__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.press-banner__pill {
  display: inline-block;
  background: var(--white);
  color: var(--teal);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
}
.press-banner__date {
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.press-banner__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.3;
  color: var(--white);
  font-weight: 700;
  letter-spacing: -0.2px;
}
.press-banner__preview {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  max-width: 880px;
}
.press-banner__cta {
  display: inline-block;
  font-weight: 700;
  font-size: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  padding-bottom: 2px;
}
.press-banner__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: 0;
  color: var(--white);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 4px;
  opacity: 0.8;
  transition: opacity 0.15s ease, background 0.15s ease;
}
.press-banner__close:hover { opacity: 1; background: rgba(0, 0, 0, 0.12); }

@media (max-width: 720px) {
  .press-banner__inner {
    padding: 22px 52px 22px 18px;
  }
  .press-banner__title { font-size: 17px; }
  .press-banner__preview { font-size: 14px; }
  .press-banner__cta { font-size: 13px; }
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

/* Mobile menu toggle (hidden on desktop) */
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  z-index: 60;
}
.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav.is-open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav.is-open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav.is-open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-img {
  height: 120px;
  width: auto;
  display: block;
}

.brand--footer {
  margin-bottom: 12px;
}
.brand--footer .brand-img {
  height: 144px;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--charcoal);
  font-size: 14px;
  font-weight: 600;
}
.nav-links a.active { color: var(--teal); }
.nav-links a:hover { color: var(--teal); text-decoration: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-dark); color: var(--white); }
.btn-outline {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--charcoal);
}
.btn-outline:hover { background: var(--charcoal); color: var(--white); }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(0,184,169,0.08), transparent 60%),
    var(--white);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.1;
  color: var(--charcoal);
  margin: 0 0 20px;
  font-weight: 700;
  letter-spacing: -0.6px;
}
.hero h1 span { color: var(--teal); }

.hero p.lede {
  font-size: 18px;
  color: var(--slate);
  max-width: 560px;
  margin: 0 0 32px;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual img { width: 100%; max-width: 320px; height: auto; }

/* ---------- Generic sections ---------- */
.section { padding: 80px 0; }
.section.alt { background: var(--cloud); }
.section.dark { background: var(--dark-bg); color: var(--white); }
.section.dark h2, .section.dark h3 { color: var(--white); }
.section.dark p { color: #C9C9C9; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(28px, 3vw, 36px);
  color: var(--charcoal);
  margin: 0 0 14px;
  letter-spacing: -0.3px;
}
.section-header p {
  color: var(--slate);
  max-width: 640px;
  margin: 0 auto;
  font-size: 17px;
}

/* ---------- Cards (values / services) ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}
.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0,184,169,0.12);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-weight: 700;
}
.card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  color: var(--charcoal);
}
.card p {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
}

/* ---------- Partnership strip ---------- */
.partnership {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
  background: var(--white);
}
.partnership h3 {
  margin: 0 0 10px;
  font-size: 22px;
  color: var(--charcoal);
}
.partnership p {
  margin: 0;
  color: var(--slate);
  max-width: 640px;
}
.partnership-badge {
  border-left: 3px solid var(--teal);
  padding-left: 20px;
  font-size: 13px;
  color: var(--slate);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
}

/* ---------- About page specific ---------- */
.page-head {
  background: var(--cloud);
  padding: 80px 0 60px;
  text-align: center;
}
.page-head h1 {
  font-size: clamp(32px, 4vw, 44px);
  color: var(--charcoal);
  margin: 0 0 14px;
  letter-spacing: -0.4px;
}
.page-head p {
  color: var(--slate);
  font-size: 18px;
  max-width: 680px;
  margin: 0 auto;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.two-col h2 {
  font-size: 28px;
  color: var(--charcoal);
  margin: 0 0 16px;
}
.two-col p,
.two-col li {
  color: var(--slate);
  font-size: 16px;
  line-height: 1.75;
}
.two-col p { margin: 0 0 14px; }
.two-col ul {
  margin: 12px 0 0;
  padding-left: 20px;
}
.two-col ul li { margin-bottom: 10px; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.contact-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-item .label {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 10px;
}
.contact-item .value {
  color: var(--charcoal);
  font-size: 16px;
  font-weight: 600;
}
.contact-item .value a { color: var(--charcoal); }
.contact-item .value a:hover { color: var(--teal); }

/* ---------- Press release page ---------- */
.press-hero {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.press-hero img {
  width: 100%;
  max-width: var(--max-w);
  height: auto;
  display: block;
  object-fit: contain;
}

.contact-grid--single {
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
  grid-template-columns: 1fr;
}

.press-meta {
  color: var(--slate);
  font-size: 14px;
  margin-top: 14px;
  font-style: italic;
}

.press-body {
  max-width: 760px;
  margin: 0 auto;
}
.press-body p {
  font-size: 16px;
  color: var(--charcoal);
  margin: 0 0 18px;
  line-height: 1.75;
}
.press-body blockquote {
  margin: 28px 0;
  padding: 20px 26px;
  border-left: 4px solid var(--teal);
  background: var(--cloud);
  color: var(--charcoal);
  font-style: italic;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.press-body blockquote p:last-child { margin-bottom: 0; }
.press-divider {
  text-align: center;
  color: var(--slate);
  letter-spacing: 6px;
  margin: 36px 0;
  font-weight: 700;
}
.press-footnote {
  font-size: 13px;
  color: var(--slate);
  font-style: italic;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-top: 28px;
}

.notes-editors { max-width: 760px; margin: 0 auto; }
.notes-editors h3 {
  font-size: 17px;
  color: var(--charcoal);
  margin: 26px 0 8px;
}
.notes-editors h3:first-child { margin-top: 0; }
.notes-editors p {
  color: var(--slate);
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #000000;
  color: #B5B5B5;
  padding: 56px 0 28px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-grid h4 {
  color: var(--white);
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: #B5B5B5; }
.footer-grid a:hover { color: var(--teal); text-decoration: none; }
.footer-tagline {
  color: #B5B5B5;
  max-width: 360px;
  margin: 12px 0 0;
}
.social-links {
  display: flex;
  gap: 12px;
}
.footer-grid .social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: #B5B5B5;
  transition: background 0.15s ease, color 0.15s ease;
}
.footer-grid .social-link:hover {
  background: var(--teal);
  color: var(--white);
  text-decoration: none;
}
.footer-grid .social-link svg { display: block; }
.footer-bottom {
  border-top: 1px solid #2A2A2A;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #888;
}

/* ---------- Motion ---------- */
@keyframes bs-fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bs-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

.hero .eyebrow,
.hero h1,
.hero p.lede,
.hero-cta,
.hero-visual,
.page-head .eyebrow,
.page-head h1,
.page-head p {
  animation: bs-fade-up 0.7s ease-out both;
}
.hero .eyebrow,   .page-head .eyebrow { animation-delay: 0.05s; }
.hero h1,         .page-head h1       { animation-delay: 0.15s; }
.hero p.lede,     .page-head p        { animation-delay: 0.25s; }
.hero-cta                             { animation-delay: 0.35s; }
.hero-visual                          { animation-delay: 0.40s; }

.hero-visual img {
  animation: bs-float 6s ease-in-out 1.2s infinite;
  will-change: transform;
}

.btn { transition: transform 0.08s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease; }
.btn-primary:hover { box-shadow: 0 6px 18px rgba(0,184,169,0.28); }
.btn:active { transform: translateY(1px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  /* Hamburger appears, nav becomes a dropdown panel */
  .nav-toggle { display: flex; }
  #primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .nav.is-open #primary-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    padding: 14px 24px 20px;
    gap: 0;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 14px 4px;
    font-size: 15px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links li:last-child a { border-bottom: 0; }
  .nav-links a.btn {
    text-align: center;
    margin-top: 12px;
    padding: 12px 16px !important;
  }

  /* Layout collapses */
  .hero { padding: 64px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual img { max-width: 240px; }
  .cards { grid-template-columns: 1fr; }
  .partnership { grid-template-columns: 1fr; padding: 28px; }
  .two-col { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
  .section { padding: 56px 0; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .nav { padding: 14px 18px; }
  .brand-img { height: 90px; }
  .brand--footer .brand-img { height: 110px; }

  .hero { padding: 44px 0 48px; }
  .hero h1 { font-size: 30px; line-height: 1.15; }
  .hero p.lede { font-size: 16px; }
  .hero-cta { gap: 10px; }
  .hero-cta .btn { flex: 1 1 auto; text-align: center; }

  .section { padding: 44px 0; }
  .section-header { margin-bottom: 36px; }
  .section-header h2 { font-size: 26px; }
  .section-header p { font-size: 15px; }

  .card { padding: 24px; }
  .card h3 { font-size: 18px; }

  .partnership { padding: 24px; gap: 20px; }
  .partnership h3 { font-size: 20px; }
  .partnership-badge {
    border-left: 0;
    border-top: 3px solid var(--teal);
    padding-left: 0;
    padding-top: 14px;
  }

  .page-head { padding: 56px 0 44px; }
  .page-head h1 { font-size: 28px; }
  .page-head p { font-size: 16px; }

  .press-body p { font-size: 15px; }
  .press-body blockquote { padding: 16px 18px; margin: 22px 0; }
  .notes-editors p { font-size: 14px; }

  .contact-item { padding: 22px; }
}