:root {
  --ink: #16201d;
  --ink-soft: #34413d;
  --green: #18332f;
  --teal: #2f6f68;
  --brass: #c9a45c;
  --clay: #8a3f3b;
  --paper: #fbfaf6;
  --ivory: #f7f3ea;
  --mist: #dfe8e5;
  --line: #d8d2c3;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(22, 32, 29, 0.14);
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  letter-spacing: 0;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Avenir,
    "Avenir Next",
    "Segoe UI",
    Arial,
    sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(201, 164, 92, 0.7);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(22, 32, 29, 0.1);
  background: rgba(251, 250, 246, 0.92);
  backdrop-filter: blur(18px);
}

.header-inner,
.section-inner {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.header-inner {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  color: var(--ink);
  font-weight: 700;
}

.brand-mark {
  width: 62px;
  height: 62px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.nav-links a,
.language-switch button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.nav-links a {
  padding: 0 12px;
}

.nav-links a:hover {
  color: var(--green);
  background: rgba(223, 232, 229, 0.7);
}

.language-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  padding: 3px;
  border: 1px solid rgba(22, 32, 29, 0.14);
  border-radius: 8px;
  background: var(--white);
}

.language-switch button {
  border: 0;
  padding: 0 10px;
  background: transparent;
  cursor: pointer;
}

.language-switch button[aria-pressed="true"] {
  background: var(--green);
  color: var(--paper);
}

.hero {
  position: relative;
  min-height: 70svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(22, 32, 29, 0.12);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  background-image: url("assets/arcis-bridge.png");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(251, 250, 246, 0.96) 0%, rgba(251, 250, 246, 0.82) 42%, rgba(251, 250, 246, 0.18) 74%),
    linear-gradient(180deg, rgba(22, 32, 29, 0.08), rgba(22, 32, 29, 0.18));
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 52px 0 46px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--clay);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.intro-grid h2,
.contact-section h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1.05;
}

.hero h1 {
  max-width: 760px;
  font-size: 5.4rem;
}

.hero-lede {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--green);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  line-height: 1.2;
}

.hero-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 18px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--green);
  color: var(--paper);
  border-color: var(--green);
}

.button-primary:hover {
  background: var(--teal);
  border-color: var(--teal);
}

.button-secondary {
  background: rgba(251, 250, 246, 0.78);
  color: var(--green);
  border-color: rgba(22, 32, 29, 0.22);
}

.button-secondary:hover {
  border-color: var(--brass);
}

.signal-grid {
  max-width: 790px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: -38px 0 0;
  padding: 0;
  border: 1px solid rgba(22, 32, 29, 0.14);
  border-radius: 8px;
  background: rgba(22, 32, 29, 0.12);
  overflow: hidden;
  position: relative;
  z-index: 2;
  box-shadow: 0 16px 44px rgba(22, 32, 29, 0.1);
}

.signal-grid div {
  padding: 18px;
  background: rgba(251, 250, 246, 0.96);
}

.signal-grid dt {
  color: var(--clay);
  font-size: 0.82rem;
  font-weight: 700;
}

.signal-grid dd {
  margin: 3px 0 0;
  color: var(--green);
  font-size: 1.02rem;
  font-weight: 700;
}

.intro-band {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 64px;
  align-items: start;
  padding: 58px 0 70px;
}

.intro-grid h2 {
  max-width: 540px;
  font-size: 2.35rem;
}

.intro-grid p:last-child {
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.section {
  padding: 96px 0;
  scroll-margin-top: 96px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading.compact {
  max-width: 690px;
}

.section h2,
.contact-section h2 {
  max-width: 820px;
  font-size: 3rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.process-card {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(22, 32, 29, 0.12);
  border-radius: 8px;
  padding: 24px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(22, 32, 29, 0.06);
}

.process-number,
.approach-steps span {
  color: var(--clay);
  font-weight: 800;
}

.process-card h3,
.approach-steps h3 {
  margin: 22px 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
  font-weight: 500;
  line-height: 1.15;
}

.process-card p,
.approach-steps p,
.channel-copy p,
.about-copy p,
.contact-copy p {
  margin: 0;
  color: var(--ink-soft);
}

.section-deep {
  background: var(--green);
  color: var(--paper);
}

.section-deep .section-kicker {
  color: var(--brass);
}

.channel-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.channel-copy h2 {
  max-width: 900px;
  margin: 0 0 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.8rem;
  font-weight: 500;
  line-height: 1.08;
}

.channel-copy > p:not(.section-kicker) {
  max-width: 820px;
}

.section-deep .channel-copy p,
.section-deep .deliverable-list span {
  color: rgba(251, 250, 246, 0.78);
}

.deliverable-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  background: rgba(251, 250, 246, 0.18);
  border: 1px solid rgba(251, 250, 246, 0.18);
  border-radius: 8px;
  overflow: hidden;
}

.deliverable-list div {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px;
  background: rgba(22, 32, 29, 0.72);
}

.deliverable-list strong {
  color: var(--paper);
}

.approach-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.approach-steps article {
  min-height: 244px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.about-section {
  background: var(--mist);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 70px;
}

.about-copy {
  display: grid;
  gap: 18px;
  font-size: 1.04rem;
}

.credential-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.credential-strip span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(22, 32, 29, 0.16);
  border-radius: 6px;
  padding: 0 11px;
  background: rgba(251, 250, 246, 0.7);
  color: var(--green);
  font-size: 0.92rem;
  font-weight: 700;
}

.contact-section {
  padding: 96px 0;
  background: var(--ink);
  color: var(--paper);
  scroll-margin-top: 96px;
}

.contact-section .section-kicker {
  color: var(--brass);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  gap: 62px;
  align-items: start;
}

.contact-copy p {
  max-width: 560px;
  margin-top: 20px;
  color: rgba(251, 250, 246, 0.74);
}

.contact-details {
  display: grid;
  gap: 10px;
  margin-top: 34px;
  color: var(--paper);
}

.contact-details a {
  text-decoration: underline;
  text-decoration-color: rgba(201, 164, 92, 0.75);
  text-underline-offset: 5px;
}

.contact-form {
  display: grid;
  gap: 18px;
  border: 1px solid rgba(251, 250, 246, 0.18);
  border-radius: 8px;
  padding: 26px;
  background: rgba(251, 250, 246, 0.06);
}

.field-group {
  display: grid;
  gap: 7px;
}

.field-group label {
  color: rgba(251, 250, 246, 0.86);
  font-size: 0.92rem;
  font-weight: 700;
}

.field-group input,
.field-group textarea {
  width: 100%;
  border: 1px solid rgba(251, 250, 246, 0.24);
  border-radius: 6px;
  padding: 12px 13px;
  background: rgba(251, 250, 246, 0.95);
  color: var(--ink);
}

.field-group textarea {
  min-height: 124px;
  resize: vertical;
}

.form-button {
  width: 100%;
  margin-top: 2px;
  background: var(--brass);
  border-color: var(--brass);
  color: var(--ink);
}

.form-button:hover {
  background: #d7b76e;
  border-color: #d7b76e;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: rgba(251, 250, 246, 0.78);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid rgba(251, 250, 246, 0.14);
  background: var(--ink);
  color: rgba(251, 250, 246, 0.68);
}

.footer-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .process-grid,
  .approach-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro-grid,
  .channel-layout,
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .contact-layout {
    align-items: stretch;
  }

  .deliverable-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-inner {
    width: min(calc(100% - 28px), var(--max-width));
    grid-template-columns: 1fr auto;
    gap: 10px 16px;
    padding: 11px 0 12px;
  }

  .nav-links {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav-links a {
    flex: 0 0 auto;
  }

  .hero {
    min-height: 68svh;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(251, 250, 246, 0.96) 0%, rgba(251, 250, 246, 0.9) 58%, rgba(251, 250, 246, 0.45) 100%),
      linear-gradient(180deg, rgba(22, 32, 29, 0.08), rgba(22, 32, 29, 0.16));
  }

  .hero-inner {
    padding: 44px 0 38px;
  }

  .hero h1 {
    font-size: 3.45rem;
  }

  .hero-lede {
    font-size: 1.55rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .signal-grid {
    grid-template-columns: 1fr;
    margin-top: -24px;
  }

  .intro-grid,
  .section,
  .contact-section {
    padding: 64px 0;
  }

  .intro-grid h2,
  .section h2,
  .contact-section h2,
  .channel-copy h2 {
    font-size: 2.2rem;
  }

  .process-grid,
  .approach-steps {
    grid-template-columns: 1fr;
  }

  .process-card {
    min-height: auto;
  }

  .deliverable-list div {
    gap: 6px;
    min-height: auto;
  }

  .footer-inner {
    min-height: 96px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }
}

@media (max-width: 460px) {
  .header-inner,
  .section-inner {
    width: min(calc(100% - 26px), var(--max-width));
  }

  .brand-mark {
    width: 52px;
    height: 52px;
  }

  .hero h1 {
    font-size: 2.85rem;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .contact-form {
    padding: 20px;
  }
}

@media (max-width: 360px) {
  .hero h1 {
    font-size: 2.45rem;
  }

  .hero-lede {
    font-size: 1.38rem;
  }
}