:root {
  --ink: #16181c;
  --ink-panel: #1e2126;
  --paper: #eae8de;
  --paper-panel: #ddd9cb;
  --text-on-ink: #f4f2ed;
  --text-on-ink-muted: #a8adaf;
  --text-on-paper: #16181c;
  --text-on-paper-muted: #56594f;
  --signal: #f2b705;
  --steel: #3e6e8c;
  --line-on-ink: rgba(244, 242, 237, 0.14);
  --line-on-paper: rgba(22, 24, 28, 0.14);

  --font-display: "Big Shoulders Display", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
}

* { box-sizing: border-box; }

dl, dt, dd, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text-on-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0;
}

a { color: inherit; }

img, video { max-width: 100%; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Header */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  gap: 1rem;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.3rem;
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-cta {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--signal);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
  white-space: nowrap;
}

.nav-cta:hover { border-bottom-color: var(--signal); }

/* Hero */

.hero {
  max-width: 900px;
  margin: 4vh auto 0;
  padding: 4vh 2rem 0;
}

.hero h1 {
  font-size: clamp(2.4rem, 8vw, 5.5rem);
  line-height: 0.98;
  animation: rise-in 0.7s ease-out both;
}

.hero__sub {
  margin: 1.5rem 0 0;
  max-width: 48ch;
  color: var(--text-on-ink-muted);
  font-size: 1.15rem;
  animation: rise-in 0.7s ease-out 0.12s both;
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.9rem 1.75rem;
  background: var(--signal);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-body);
  transition: transform 0.15s ease, background 0.2s ease;
}

.btn:hover { background: #ffc933; transform: translateY(-1px); }

.stat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 3rem;
  margin: 4rem 0 0;
  padding: 2rem 0;
  border-top: 1px solid var(--line-on-ink);
  border-bottom: 1px solid var(--line-on-ink);
}

.stat { min-width: 100px; }

.stat dt {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--signal);
  line-height: 1;
}

.stat dd {
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
  color: var(--text-on-ink-muted);
}

/* Services */

.services {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.services h2, .case-studies h2, .contact h2, .trust h2 {
  font-size: 2rem;
  margin-bottom: 2.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid var(--signal);
}

.service {
  padding: 2rem;
  border-right: 1px solid var(--line-on-ink);
}

.service:first-child { padding-left: 0; }
.service:last-child { border-right: none; padding-right: 0; }

.service h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.service p {
  margin: 0;
  color: var(--text-on-ink-muted);
}

/* Trust / values section */

.trust {
  background: var(--ink-panel);
  padding: 6rem 0;
}

.trust-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.trust-intro {
  margin: 0;
  max-width: 56ch;
  color: var(--text-on-ink-muted);
  font-size: 1.1rem;
}

.trust-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: stretch;
  margin-top: 3rem;
}

/* Accordion */

.accordion {
  border-top: 1px solid var(--line-on-ink);
}

.accordion-item {
  border-bottom: 1px solid var(--line-on-ink);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  background: none;
  border: none;
  padding: 1.5rem 0;
  color: var(--text-on-ink);
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.accordion-item.is-open .accordion-trigger { color: var(--signal); }

.accordion-icon {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease;
}

.accordion-icon::before { width: 16px; height: 2px; }
.accordion-icon::after { width: 2px; height: 16px; }

.accordion-item.is-open .accordion-icon::after { transform: translate(-50%, -50%) rotate(90deg) scaleX(0); }

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.accordion-panel-inner {
  overflow: hidden;
  min-height: 0;
}

.accordion-item.is-open .accordion-panel {
  grid-template-rows: 1fr;
}

.accordion-panel p {
  margin: 0 0 1.5rem;
  color: var(--text-on-ink-muted);
  max-width: 46ch;
}

@media (prefers-reduced-motion: reduce) {
  .accordion-panel, .accordion-icon::before, .accordion-icon::after {
    transition: none;
  }
}

/* About image */

.trust-image {
  border-bottom: 3px solid var(--signal);
}

.trust-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Case studies (light section) */

.case-studies {
  background: var(--paper);
  color: var(--text-on-paper);
  padding: 6rem 0;
}

.case-studies h2, .case-grid { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 2rem; padding-right: 2rem; }

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.case-card {
  text-decoration: none;
  color: var(--text-on-paper);
  display: block;
}

.case-card__image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--paper-panel);
  border-bottom: 3px solid var(--steel);
  margin-bottom: 1rem;
}

.play-badge {
  position: absolute;
  bottom: 0.7rem;
  right: 0.7rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(22, 24, 28, 0.8);
  color: var(--text-on-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.case-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  text-transform: none;
}

.case-card p {
  margin: 0;
  color: var(--text-on-paper-muted);
  font-size: 0.95rem;
}

/* Contact */

.contact {
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.contact__sub {
  margin: -1.5rem 0 2.5rem;
  color: var(--text-on-ink-muted);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.field { display: flex; flex-direction: column; }
.field--full { grid-column: 1 / -1; }

.field label {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-on-ink-muted);
}

.field input,
.field select,
.field textarea {
  background: var(--ink-panel);
  border: 1px solid var(--line-on-ink);
  color: var(--text-on-ink);
  padding: 0.75rem 0.9rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: 2px;
  width: 100%;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
}

.contact-form .btn {
  grid-column: 1 / -1;
  justify-self: start;
}

.form-status {
  margin-top: 1.5rem;
  color: var(--signal);
  font-size: 1rem;
}

/* Footer */

.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 2rem 3.5rem;
  border-top: 1px solid var(--line-on-ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-on-ink-muted);
  font-size: 0.9rem;
}

.footer-links { display: flex; gap: 1.25rem; align-items: center; }

.footer-links a {
  color: var(--text-on-ink-muted);
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}

.footer-links a:hover { color: var(--signal); }

.footer-icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  background-color: currentColor;
  -webkit-mask-image: var(--icon);
  mask-image: var(--icon);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}

/* Case study article */

main:has(article),
main.article-main {
  background: var(--paper);
  color: var(--text-on-paper);
}

.article-banner {
  width: 100%;
  aspect-ratio: 21 / 9;
  background-size: cover;
  background-position: center;
  background-color: var(--paper-panel);
  display: block;
  overflow: hidden;
}

.article-banner video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-head {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 2rem 0;
}

.article-back {
  margin: 0 0 1.5rem;
}

.article-back a {
  text-decoration: none;
  color: var(--steel);
  font-size: 0.95rem;
}

.article-back a:hover { text-decoration: underline; }

.article-head h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
}

.article-intro {
  margin: 1.25rem 0 0;
  font-size: 1.15rem;
  color: var(--text-on-paper-muted);
  max-width: 46ch;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem 2.5rem;
  margin: 2.5rem 0 0;
  padding: 1.75rem 0;
  border-top: 1px solid var(--line-on-paper);
  border-bottom: 1px solid var(--line-on-paper);
}

.case-meta > div { min-width: 120px; }

.case-meta dt {
  font-size: 0.85rem;
  color: var(--text-on-paper-muted);
  margin: 0 0 0.3rem;
}

.case-meta dd {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--steel);
  text-transform: uppercase;
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 2rem 0;
}

.article-body p {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
}

.article-body h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  text-transform: none;
}

.article-image {
  width: 100%;
  height: auto;
  display: block;
  margin: 2rem 0;
  border-bottom: 3px solid var(--steel);
}

.article-cta {
  max-width: 760px;
  margin: 3rem auto 0;
  padding: 3rem 2rem 6rem;
  border-top: 1px solid var(--line-on-paper);
}

.article-cta p {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

/* Responsive */

@media (max-width: 860px) {
  .services-grid, .case-grid { grid-template-columns: 1fr; }
  .service {
    border-right: none;
    border-bottom: 1px solid var(--line-on-ink);
    padding: 1.75rem 0;
  }
  .service:first-child { padding-left: 0; }
  .service:last-child { border-bottom: none; padding-bottom: 0; }
  .contact-form { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-image { order: -1; aspect-ratio: 4 / 3; }
  .trust-image img { height: 100%; }
}

@media (max-width: 600px) {
  .site-header { padding: 1.25rem 1.25rem; }
  .wordmark { font-size: 1.1rem; }
  .hero, .services, .contact, .trust-inner { padding-left: 1.25rem; padding-right: 1.25rem; }
  .article-head, .article-body, .article-cta { padding-left: 1.25rem; padding-right: 1.25rem; }
  .case-studies h2, .case-grid { padding-left: 1.25rem; padding-right: 1.25rem; }
  .site-footer { padding-left: 1.25rem; padding-right: 1.25rem; justify-content: center; text-align: center; }
  .stat-strip { gap: 1.5rem 2rem; }
  .article-banner { aspect-ratio: 4 / 3; }
}

@media (prefers-reduced-motion: reduce) {
  .hero h1, .hero__sub { animation: none; }
}

a:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}