/* Tahl Inc. — site styles (palette pulled from logo) */

:root {
  --cyan: #7dced7;
  --cyan-dark: #4fb0bd;
  --cyan-deep: #2f8a98;
  --charcoal: #2e323a;
  --charcoal-soft: #4a4f58;
  --charcoal-light: #6b7079;
  --bg: #ffffff;
  --bg-alt: #f4f6f8;
  --bg-tint: #eef7f8;
  --border: #d8dde2;
  --text: #2e323a;
  --text-muted: #5a6068;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--cyan-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  color: var(--charcoal);
  font-weight: 600;
  margin: 0 0 0.6em;
  line-height: 1.25;
}

h1 { font-size: 2.1rem; }
h2 { font-size: 1.5rem; margin-top: 1.8em; }
h3 { font-size: 1.15rem; margin-top: 1.4em; }

p { margin: 0 0 1em; }

ul { margin: 0 0 1em 1.2em; padding: 0; }
li { margin-bottom: 0.35em; }

/* Header */
header {
  background: #ffffff;
  border-bottom: 4px solid var(--cyan);
  box-shadow: 0 1px 4px rgba(46, 50, 58, 0.06);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  display: inline-block;
  line-height: 0;
}

.brand img {
  height: 56px;
  width: auto;
  display: block;
}

/* Mobile nav toggle (hamburger) — hidden by default, shown via media query */
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 44px;
  height: 44px;
  padding: 12px 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--charcoal);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  transform-origin: center;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Nav */
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--charcoal);
  padding: 0.55rem 1rem;
  border-radius: 3px;
  font-size: 0.95rem;
  font-weight: 500;
  display: inline-block;
  transition: background 0.15s, color 0.15s;
  border-bottom: 2px solid transparent;
}

nav a:hover {
  color: var(--cyan-deep);
  background: var(--bg-tint);
  text-decoration: none;
}

nav a.active {
  color: var(--charcoal);
  border-bottom-color: var(--cyan);
  background: transparent;
  font-weight: 600;
}

/* Hero / page banner */
.page-banner {
  background: linear-gradient(180deg, var(--charcoal) 0%, #1f2228 100%);
  color: #fff;
  padding: 3rem 1.5rem;
  border-bottom: 4px solid var(--cyan);
}

.page-banner h1 {
  color: #fff;
  max-width: 1100px;
  margin: 0 auto 0.4em;
}

.page-banner p {
  max-width: 1100px;
  margin: 0 auto;
  color: var(--cyan);
  font-size: 1.1rem;
}

/* Main content */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

.intro {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 780px;
}

.intro.intro-full {
  max-width: none;
}

/* Featured image (e.g., part photo on home) */
.part-feature {
  margin: 0;
  text-align: center;
}

.part-feature figcaption {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Simple slideshow */
.slideshow {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  background: var(--bg-alt);
}

.slideshow .slides {
  position: relative;
  width: 100%;
  aspect-ratio: 6 / 5;
}

.slideshow .slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.slideshow .slide.is-active {
  opacity: 1;
}

.slideshow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(46, 50, 58, 0.65);
  color: #fff;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.slideshow-btn:hover {
  background: var(--cyan-deep);
}

.slideshow-btn.prev { left: 8px; }
.slideshow-btn.next { right: 8px; }

.slideshow-dots {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
}

.slideshow-dots .dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: background 0.15s;
}

.slideshow-dots .dot.is-active {
  background: var(--cyan);
}

/* Intro row — two-column layout on home (text left, image right) */
.two-col.intro-row {
  align-items: center;
  margin-top: 3rem;
  margin-bottom: 2rem;
}

.intro-row .intro {
  margin-bottom: 0;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 2rem;
}

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--cyan);
  padding: 1.25rem 1.25rem 1rem;
  border-radius: 3px;
}

.card h3 {
  margin-top: 0;
  color: var(--charcoal);
}

/* Info block (used on contact) */
.info-block {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  border-radius: 3px;
  margin-bottom: 1.25rem;
}

.info-block strong {
  display: inline-block;
  min-width: 90px;
  color: var(--charcoal);
}

/* Map block (contact page) */
.map-block {
  margin-bottom: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  background: var(--bg-alt);
}

.map-block iframe {
  display: block;
  width: 100%;
  height: 260px;
  border: 0;
}

.map-caption {
  margin: 0;
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
  background: #fff;
  border-top: 1px solid var(--border);
  text-align: right;
}

/* Contact form */
form.contact-form {
  display: grid;
  gap: 0.9rem;
  max-width: 600px;
  margin-top: 1rem;
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #fff;
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--cyan-dark);
  box-shadow: 0 0 0 2px rgba(125, 206, 215, 0.35);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

/* Visitor form (extends .contact-form) — single column, full content width */
form.visitor-form {
  max-width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.visitor-form fieldset {
  border: 1px solid var(--border);
  border-left: 4px solid var(--cyan);
  border-radius: 3px;
  padding: 1.25rem 1.5rem 1.5rem;
  margin: 0;
  background: #fff;
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

/* Acknowledgments — two columns of checkboxes when wide */
.ack-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem 1.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .ack-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.submit-row {
  margin-top: 0.5rem;
}

.visitor-form legend {
  font-weight: 600;
  color: var(--charcoal);
  padding: 0 0.4rem;
  font-size: 1.05rem;
}

/* Collapsible fieldsets — desktop only (mobile override below) */
form.visitor-form .collapsible > legend {
  cursor: pointer;
  user-select: none;
}

form.visitor-form .collapsible > legend:hover {
  color: var(--cyan-deep);
}

form.visitor-form .collapsible > legend:focus-visible {
  outline: 2px solid var(--cyan-dark);
  outline-offset: 3px;
  border-radius: 2px;
}

form.visitor-form .collapsible > legend::after {
  content: '\25BE';
  margin-left: 0.45rem;
  font-size: 0.85em;
  color: var(--cyan-deep);
  display: inline-block;
}

form.visitor-form .collapsible.is-collapsed > legend::after {
  content: '\25B8';
}

/* When collapsed, the whole fieldset is a click target to expand */
form.visitor-form .collapsible.is-collapsed {
  cursor: pointer;
  transition: background 0.15s ease;
}

form.visitor-form .collapsible.is-collapsed:hover {
  background: var(--bg-tint);
}

form.visitor-form .collapsible.is-collapsed > :not(legend) {
  display: none;
}

@media (max-width: 720px) {
  /* Mobile: disable collapse — show all sections, suppress click affordance */
  form.visitor-form .collapsible > legend {
    cursor: default;
    pointer-events: none;
  }
  form.visitor-form .collapsible > legend::after {
    display: none;
  }
  form.visitor-form .collapsible.is-collapsed > :not(legend) {
    display: revert;
  }
  form.visitor-form .collapsible.is-collapsed {
    cursor: default;
  }
  form.visitor-form .collapsible.is-collapsed:hover {
    background: #fff;
  }
}

.visitor-form select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #fff;
  color: var(--text);
}

.visitor-form select:focus {
  outline: none;
  border-color: var(--cyan-dark);
  box-shadow: 0 0 0 2px rgba(125, 206, 215, 0.35);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem;
}

.radio-line,
.check-line {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.95rem;
  color: var(--text);
  margin: 0.15rem 0;
  font-weight: 400;
  line-height: 1.4;
  cursor: pointer;
}

.radio-line input,
.check-line input {
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.check-line input[type="checkbox"] {
  width: 2.5rem;
  height: 2.5rem;
  margin-top: 0;
  accent-color: var(--cyan-deep);
}

/* With the larger checkboxes, use an explicit 2-column grid so the
   text always vertically centers against the box, with predictable
   behavior across browsers regardless of label length or wrapping. */
form.visitor-form .check-line {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.5rem;
}

form.visitor-form .check-line > span {
  display: block;
}

/* Radio question block — visually groups a radio question with its options */
.visitor-form .question-block {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan-dark);
  border-radius: 3px;
  padding: 0.85rem 1.1rem 1rem;
  display: grid;
  gap: 0.4rem;
}

.visitor-form .question-label {
  font-weight: 600;
  color: var(--charcoal);
  font-size: 0.95rem;
  margin: 0 0 0.25rem;
  display: block;
}

.visitor-form .question-block .radio-line {
  padding: 0.55rem 0.7rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  margin: 0;
  background: #fff;
  align-items: center;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.visitor-form .question-block .radio-line:hover {
  border-color: var(--cyan-dark);
}

.visitor-form .question-block .radio-line:has(input:checked) {
  border-color: var(--cyan-dark);
  background: var(--bg-tint);
}

.visitor-form .radio-line input[type="radio"] {
  width: 1.5rem;
  height: 1.5rem;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--cyan-deep);
}

.field-note {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0 0 0.4rem;
  font-style: italic;
}

/* Compliance notice block */
.notice {
  background: #fff8e6;
  border: 1px solid #e8d394;
  border-left: 4px solid #c89a3f;
  padding: 1.1rem 1.4rem;
  border-radius: 3px;
  margin: 1.5rem 0 2rem;
  font-size: 0.97rem;
}

.notice h3 {
  color: #6b4f15;
}

/* Notice — warning variant (more attention-grabbing red) */
.notice.notice-warn {
  background: #fdecea;
  border-color: #f1b0a8;
  border-left-color: #c0392b;
  color: #5a1a14;
}

.notice.notice-warn strong {
  color: #8a1a10;
}

.notice.notice-warn h3 {
  color: #8a1a10;
}

.btn {
  display: inline-block;
  background: var(--charcoal);
  color: #fff;
  padding: 0.7rem 1.4rem;
  border: none;
  border-radius: 3px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}

.btn:hover {
  background: var(--cyan-deep);
  text-decoration: none;
  color: #fff;
}

/* Two-column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; }
  h1 { font-size: 1.7rem; }
  .page-banner { padding: 2rem 1.25rem; }
  .page-banner p { font-size: 0.98rem; }
  .brand img { height: 44px; }

  /* Tighter main padding on small screens */
  main { padding: 1.75rem 1rem 2.5rem; }
  .header-inner { padding: 0.75rem 1rem; }

  /* Show hamburger, collapse nav into a vertical menu */
  .nav-toggle { display: flex; }
  nav#primary-nav {
    display: none;
    flex-basis: 100%;
    order: 3;
  }
  nav#primary-nav.is-open { display: block; }
  nav#primary-nav ul {
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
  }
  nav#primary-nav li { margin: 0; }
  nav#primary-nav a {
    display: block;
    padding: 0.85rem 0.5rem;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
  }
  nav#primary-nav li:last-child a { border-bottom: none; }
  nav#primary-nav a.active {
    border-left: 3px solid var(--cyan);
    border-bottom: 1px solid var(--border);
    padding-left: calc(0.5rem + 3px);
    background: var(--bg-tint);
  }
  nav#primary-nav li:last-child a.active { border-bottom: none; }

  /* Allow address strong to wrap naturally rather than reserving 90px */
  .info-block strong { min-width: 0; }
}

/* Cert list */
.cert {
  border: 1px solid var(--border);
  border-top: 4px solid var(--cyan);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  background: #fff;
  border-radius: 3px;
}

.cert h3 {
  margin-top: 0;
  color: var(--charcoal);
}

.cert .status {
  display: inline-block;
  font-size: 0.8rem;
  background: var(--cyan-deep);
  color: #fff;
  padding: 2px 10px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-left: 0.5em;
  vertical-align: middle;
}

.cert .status.pending {
  background: var(--charcoal-light);
}

/* Footer */
footer {
  background: var(--charcoal);
  color: #c7ccd3;
  padding: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  border-top: 4px solid var(--cyan);
}

footer a {
  color: var(--cyan);
}

.made-in-usa {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #8a9aaa;
  opacity: 0.85;
}

/* Procurement identifiers — key/value list */
.ids-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 1.5rem;
  row-gap: 0.55rem;
  margin: 1rem 0 2rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--cyan);
  padding: 1.25rem 1.5rem;
  border-radius: 3px;
}

.ids-list dt {
  font-weight: 600;
  color: var(--cyan-deep);
  font-size: 0.82rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  align-self: start;
  padding-top: 0.1rem;
}

.ids-list dd {
  margin: 0;
  font-weight: 600;
  color: var(--charcoal);
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .ids-list {
    grid-template-columns: 1fr;
    row-gap: 0.2rem;
    padding: 1rem 1.1rem;
  }
  .ids-list dt {
    margin-top: 0.6rem;
  }
  .ids-list dt:first-of-type {
    margin-top: 0;
  }
}

/* Quality Policy figure */
.policy-figure {
  margin: 1.25rem 0 1rem;
  text-align: center;
}

.policy-figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 3px;
}