:root {
  --color-black: #05070a;
  --color-text: #05070a;
  --color-navy-950: #061224;
  --color-navy-900: #081a33;
  --color-navy-800: #0c274d;
  --color-blue-700: #163f7a;
  --color-blue-600: #1f4f95;
  --color-slate-800: #1f2937;
  --color-slate-700: #374151;
  --color-slate-600: #4b5563;
  --color-slate-300: #cfd6df;
  --color-slate-200: #e1e6ec;
  --color-slate-100: #f2f4f7;
  --color-slate-50: #f8fafc;
  --color-white: #ffffff;
  --color-offwhite: #fcfcfd;
  --shadow-soft: 0 18px 48px rgba(5, 7, 10, 0.16);
  --shadow-card: 0 14px 28px rgba(5, 7, 10, 0.07);
  --font-body: "Roboto", Arial, Helvetica, sans-serif;
  --container: 1160px;
  --radius: 8px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
}

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

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

p {
  margin: 0 0 var(--space-3);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--color-text);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.9rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.05rem);
}

h3 {
  font-size: 1.25rem;
}

ul {
  margin: 0;
  padding-left: 1.15rem;
}

li + li {
  margin-top: 0.45rem;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin: 0 auto;
}

.section {
  padding: var(--space-7) 0;
}

.section-muted {
  background: var(--color-slate-100);
}

.section-dark {
  color: rgba(255, 255, 255, 0.78);
  background: var(--color-black);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: var(--space-3);
  color: var(--color-blue-600);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 1px;
  content: "";
  background: currentColor;
}

.lead {
  max-width: 760px;
  color: var(--color-text);
  font-size: 1.16rem;
}

.section-dark .lead {
  color: rgba(255, 255, 255, 0.72);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(225, 230, 236, 0.9);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  color: var(--color-text);
  font-weight: 800;
  line-height: 1;
}

.brand span {
  margin-top: 0.32rem;
  color: var(--color-text);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  content: "";
  background: currentColor;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  color: var(--color-text);
  font-size: 0.94rem;
  font-weight: 700;
}

.nav-links a {
  position: relative;
  padding: 0.35rem 0;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  content: "";
  background: var(--color-blue-700);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  overflow: hidden;
  color: rgba(255, 255, 255, 0.78);
  background: var(--color-black);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(5, 7, 10, 0.98) 0%, rgba(6, 18, 36, 0.91) 45%, rgba(5, 7, 10, 0.58) 100%),
    url("../images/closed-agents-enterprise-hero.png") right center / cover no-repeat;
}

.hero .container {
  position: relative;
  display: grid;
  min-height: calc(100vh - 76px);
  align-items: center;
  padding: 5.5rem 0 6.5rem;
}

.hero-content {
  width: min(730px, 100%);
}

.hero h1 {
  color: var(--color-white);
}

.hero p {
  max-width: 670px;
  margin-top: var(--space-4);
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.26rem;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  width: min(660px, 100%);
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-proof span + span::before {
  display: inline-block;
  width: 1px;
  height: 16px;
  margin-right: 1.25rem;
  content: "";
  background: rgba(255, 255, 255, 0.22);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.button {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: max-content;
  min-height: 48px;
  padding: 0.82rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button-primary {
  background: var(--color-blue-700);
  color: var(--color-white);
}

.button-primary:hover {
  background: var(--color-navy-800);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.36);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.button-light {
  border-color: var(--color-slate-200);
  color: var(--color-text);
  background: var(--color-white);
}

.page-header {
  padding: 5.5rem 0 4.5rem;
  border-bottom: 1px solid var(--color-slate-200);
  background: var(--color-white);
}

.page-header .lead {
  margin-top: var(--space-4);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.58fr);
  gap: var(--space-6);
  align-items: start;
}

.stack {
  display: grid;
  gap: var(--space-4);
}

.grid {
  display: grid;
  gap: var(--space-4);
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.section-heading h2 {
  max-width: 820px;
}

.section-heading .button {
  margin-top: 2.1rem;
  white-space: nowrap;
}

.section-heading .lead {
  max-width: 560px;
  margin-bottom: 0;
}

.card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-5);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.card h3 {
  margin-bottom: var(--space-3);
}

.card p:last-child {
  margin-bottom: 0;
}

.card-link {
  display: inline-flex;
  margin-top: var(--space-3);
  color: var(--color-blue-700);
  font-weight: 800;
}

.card p + .card-link {
  margin-top: auto;
  padding-top: var(--space-4);
}

.services-grid .card {
  min-height: 230px;
}

.metric-card {
  border-top: 4px solid var(--color-blue-700);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.feature-item {
  min-height: 112px;
  padding: var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.feature-item h3 {
  margin-bottom: 0.55rem;
  font-size: 1.05rem;
}

.feature-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.94rem;
}

.callout {
  padding: var(--space-6);
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.78);
  background: var(--color-black);
  box-shadow: var(--shadow-soft);
}

.callout h2 {
  color: var(--color-white);
}

.callout p {
  max-width: 740px;
}

.side-panel {
  padding: var(--space-5);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.side-panel h3 {
  margin-bottom: var(--space-3);
}

.service-block,
.industry-block {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-slate-200);
}

.service-block:first-child,
.industry-block:first-child {
  padding-top: 0;
}

.service-block:last-child,
.industry-block:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.deliverables {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: var(--space-4);
  padding: 0;
  list-style: none;
}

.deliverables li {
  margin: 0;
  padding: 0.82rem 0.92rem;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius);
  background: var(--color-slate-50);
  color: var(--color-text);
  font-weight: 700;
}

.article-list {
  display: grid;
  gap: var(--space-4);
}

.article-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.article-meta {
  color: var(--color-blue-700);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-body {
  max-width: 820px;
}

.article-body h2 {
  margin: var(--space-5) 0 var(--space-3);
  font-size: clamp(1.55rem, 3vw, 2.25rem);
}

.article-body p {
  color: var(--color-text);
  font-size: 1.06rem;
}

.contact-form {
  display: grid;
  gap: var(--space-3);
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field label {
  color: var(--color-text);
  font-weight: 800;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  color: var(--color-text);
  background: var(--color-white);
  font: inherit;
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

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

.site-footer {
  padding: var(--space-6) 0;
  color: rgba(255, 255, 255, 0.7);
  background: var(--color-black);
}

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

.site-footer .brand span {
  color: rgba(255, 255, 255, 0.66);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-5);
  align-items: start;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

.footer-note {
  max-width: 620px;
  margin-top: var(--space-3);
}

@media (max-width: 960px) {
  .grid-3,
  .grid-4,
  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split {
    grid-template-columns: 1fr;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .section-heading .button {
    justify-self: start;
    margin-top: 0;
  }
}

@media (max-width: 760px) {
  .nav {
    min-height: 68px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    right: 1rem;
    left: 1rem;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-3);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius);
    background: var(--color-white);
    box-shadow: var(--shadow-card);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.82rem 0.4rem;
  }

  .hero,
  .hero .container {
    min-height: auto;
  }

  .hero .container {
    padding: 4.5rem 0 5.5rem;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(5, 7, 10, 0.98), rgba(6, 18, 36, 0.9)),
      url("../images/closed-agents-enterprise-hero.png") center / cover no-repeat;
  }

  .hero-proof,
  .grid-2,
  .grid-3,
  .grid-4,
  .feature-list,
  .deliverables,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-proof {
    display: grid;
    gap: 0.7rem;
  }

  .hero-proof span + span::before {
    display: none;
  }

  .section,
  .page-header {
    padding: 3.75rem 0;
  }

  .card,
  .callout,
  .side-panel,
  .article-card {
    padding: var(--space-4);
  }
}