:root {
  --bg: #f7fafc;
  --surface: #ffffff;
  --surface-2: #eef6fb;
  --ink: #111318;
  --muted: #526171;
  --line: #dbe7f0;
  --accent: #1268d6;
  --accent-dark: #0b55b7;
  --petrol: #0f3d5e;
  --blueprint: #1f5fae;
  --amber: #22b8a8;
  --radius: 8px;
  --shadow: 0 18px 42px rgba(15, 61, 94, 0.09);
  --container: 1120px;
  --font-heading: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(18, 104, 214, 0.28);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: 0;
}

h1 {
  font-size: 4rem;
}

h2 {
  font-size: 2.55rem;
}

h3 {
  font-size: 1.35rem;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding-left: 1.2rem;
}

li + li {
  margin-top: 0.55rem;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.narrow {
  max-width: 820px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-140%);
  background: var(--ink);
  color: var(--surface);
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(219, 231, 240, 0.82);
  background: rgba(247, 250, 252, 0.94);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--petrol);
  color: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.72rem 1.05rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 750;
  text-decoration: none;
  line-height: 1.1;
}

.button-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--surface);
}

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

.button-secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--line);
  color: var(--ink);
}

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

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 680px;
  display: grid;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.88) 46%, rgba(247, 250, 252, 0.58) 72%, rgba(247, 250, 252, 0.14) 100%);
}

.hero-visual {
  position: absolute;
  inset: auto 0 0 auto;
  z-index: -2;
  width: min(1200px, 94vw);
  opacity: 0.76;
}

.hero-content {
  padding-block: 7rem 6rem;
}

.eyebrow,
.kicker {
  margin-bottom: 1rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 880px;
}

.hero-lead,
.page-hero p,
.case-hero p,
.article-hero p,
.section-heading p,
.cta-inner p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.15rem;
}

.hero-lead {
  margin-top: 1.35rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.microcopy {
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.problem-band,
.section,
.page-hero,
.article-hero,
.case-hero,
.cta-section {
  padding-block: 5.5rem;
}

.problem-band {
  background: var(--surface);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 2rem;
}

.section-heading p {
  margin-top: 1rem;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.signal-grid p {
  min-height: 170px;
  padding: 1rem;
  background: var(--surface);
  color: var(--ink);
  font-weight: 680;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.service-card,
.case-card,
.article-card {
  padding: 1.25rem;
}

.service-card h3,
.case-card h3,
.article-card h3 {
  margin-top: 0.7rem;
}

.service-card p,
.case-card p,
.article-card p {
  margin-top: 0.8rem;
  color: var(--muted);
}

.service-card ul {
  margin-top: 1rem;
  color: var(--muted);
}

.case-card img {
  aspect-ratio: 12 / 7;
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0.18rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.84);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.text-link {
  display: inline-flex;
  margin-top: 1.1rem;
  color: var(--accent);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.petrol {
  background: var(--petrol);
  color: var(--surface);
}

.petrol .kicker,
.petrol p {
  color: #c9d7e2;
}

.method-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 1px;
  border: 1px solid rgba(219, 231, 240, 0.28);
  background: rgba(219, 231, 240, 0.28);
}

.timeline article {
  display: grid;
  grid-template-columns: 72px 160px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem;
  background: var(--petrol);
}

.timeline span {
  color: var(--amber);
  font-family: var(--font-mono);
  font-weight: 800;
}

.timeline h3 {
  font-size: 1.2rem;
}

.split-band {
  background: var(--surface-2);
}

.split-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
}

.audience-grid,
.two-column-list,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.audience-grid article,
.two-column-list article,
.contact-grid article,
.lead-form,
.warning-panel {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.audience-grid h3,
.two-column-list h3,
.contact-grid h2 {
  margin-bottom: 1rem;
}

.deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.deliverables span {
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
}

.section-action {
  margin-top: 1.5rem;
}

.cta-section {
  background: var(--ink);
  color: var(--surface);
}

.cta-inner {
  max-width: 780px;
}

.cta-inner p {
  color: #d8d0c2;
  margin-top: 1rem;
}

.page-hero,
.article-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.page-hero h1,
.article-hero h1,
.case-hero h1 {
  max-width: 900px;
}

.page-hero p,
.article-hero p,
.case-hero p {
  margin-top: 1.2rem;
}

.case-hero {
  background: var(--surface-2);
}

.case-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.case-hero img {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.service-detail-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.service-detail {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2rem;
  padding: 2rem;
  background: var(--surface);
}

.service-detail p {
  margin-top: 1rem;
  color: var(--muted);
}

.article-groups {
  display: grid;
  gap: 3rem;
}

.article-groups h2 {
  margin-bottom: 1.2rem;
  font-size: 2rem;
}

.article-body {
  padding-block: 4rem;
  color: #262a31;
  font-size: 1.08rem;
}

.article-body > * + * {
  margin-top: 1.1rem;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  margin-top: 2.4rem;
}

.article-body h2 {
  font-size: 2.05rem;
}

.article-body h3 {
  font-size: 1.45rem;
}

.article-body p,
.article-body li {
  color: #303640;
}

.article-body a {
  color: var(--blueprint);
  font-weight: 700;
}

.article-body blockquote {
  margin: 1.4rem 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--accent);
  background: var(--surface);
  color: var(--ink);
}

.article-body pre,
.contact-template {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #111318;
  color: #f8fbff;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.55;
}

.article-body code {
  font-family: var(--font-mono);
}

.article-body :not(pre) > code {
  padding: 0.1rem 0.25rem;
  border-radius: 4px;
  background: var(--surface-2);
}

.article-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin-block: 2rem;
}

.anchor {
  color: var(--line);
  font-family: var(--font-body);
  font-size: 0.72em;
  text-decoration: none;
}

.anchor:hover {
  color: var(--accent);
}

.warning-panel {
  border-color: rgba(18, 104, 214, 0.34);
}

.signal-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.signal-list p {
  padding: 1rem;
  background: var(--surface);
  color: var(--ink);
  font-weight: 740;
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: start;
}

.lead-form {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form-row.full,
.form-note,
.lead-form .button {
  grid-column: 1 / -1;
}

.form-row label {
  font-weight: 800;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 0.72rem 0.8rem;
}

.form-row textarea {
  resize: vertical;
  min-height: 160px;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 3px solid rgba(18, 104, 214, 0.2);
  border-color: var(--accent);
}

.form-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.hp-field {
  position: absolute;
  left: -100vw;
  width: 1px;
  height: 1px;
}

.site-footer {
  padding-block: 3rem;
  background: var(--petrol);
  color: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 2rem;
}

.footer-brand {
  color: var(--surface);
}

.site-footer p,
.site-footer a {
  color: #d8d0c2;
}

.site-footer nav {
  display: grid;
  gap: 0.55rem;
}

.footer-label {
  margin-bottom: 0.5rem;
  font-weight: 800;
}

.fine-print {
  margin-top: 0.8rem;
  font-size: 0.88rem;
}

@media (max-width: 980px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.1rem;
  }

  .header-inner {
    flex-wrap: wrap;
    padding-block: 0.8rem;
  }

  .site-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  .signal-grid,
  .card-grid.three,
  .card-grid.two,
  .method-grid,
  .split-grid,
  .audience-grid,
  .two-column-list,
  .contact-grid,
  .case-hero-grid,
  .service-detail,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .signal-grid p {
    min-height: auto;
  }

  .timeline article {
    grid-template-columns: 56px 1fr;
  }

  .timeline p {
    grid-column: 2;
  }

  .case-hero img {
    max-width: 680px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding-block: 5rem 4rem;
  }

  .hero-visual {
    width: 900px;
    max-width: none;
    opacity: 0.34;
  }

  .header-cta {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .problem-band,
  .section,
  .page-hero,
  .article-hero,
  .case-hero,
  .cta-section {
    padding-block: 4rem;
  }

  .service-detail {
    padding: 1.25rem;
  }

  .lead-form {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}