:root {
  --green: #8bc34a;
  --ink: #101318;
  --muted: #526071;
  --line: #d9e0e7;
  --dark: #090d11;
  --panel: #f6f8f5;
  --gold: #c5a15a;
  --footer: #333333;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Poppins, Arial, sans-serif;
  color: var(--ink);
  background: #ffffff;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 79px;
  background: #000000;
}

.site-header__inner {
  width: min(1140px, calc(100% - 32px));
  min-height: 79px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-logo {
  flex: 0 0 auto;
  line-height: 0;
}

.site-logo img {
  width: 202px;
  height: 52px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.site-nav a {
  display: block;
  color: #ffffff;
  line-height: 1.4;
  padding: 10px 9px;
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 9px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px auto;
  background: #ffffff;
}

.expert-hero {
  position: relative;
  min-height: min(760px, calc(100vh - 79px));
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}

.expert-hero__media {
  position: absolute;
  inset: 0;
}

.expert-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 13, 17, 0.96) 0%, rgba(9, 13, 17, 0.84) 43%, rgba(9, 13, 17, 0.35) 100%),
    linear-gradient(0deg, rgba(9, 13, 17, 0.72), rgba(9, 13, 17, 0.18));
}

.expert-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.expert-hero__content {
  position: relative;
  z-index: 1;
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0 110px;
  color: #ffffff;
}

.eyebrow {
  margin: 0 0 14px;
  color: #8bc330;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.expert-hero h1 {
  max-width: 790px;
  margin: 0;
  color: #ffffff;
  font-size: clamp(48px, 8vw, 48px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 670px;
  margin: 28px 0 0;
  color: #edf4e5;
  font-size: clamp(18px, 2vw, 18px);
  line-height: 1.55;
}

.hero-actions,
.cta-section {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero-actions {
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 22px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--green);
  color: #0b1208;
}

.btn-secondary {
  border-color: rgba(255, 255, 255, 0.44);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.intro-band,
.use-cases,
.process-section,
.engagements,
.domains,
.why-section,
.audience-section,
.cta-section {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 42px;
  align-items: stretch;
  padding: 76px 0;
}

.intro-copy p {
  margin: 0 0 18px;
  color: #26313d;
  font-size: 18px;
  line-height: 1.8;
}

.intro-panel {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 260px;
  padding: 34px;
  border: 1px solid #232a30;
  background: #10161c;
  color: #ffffff;
}

.intro-panel span {
  margin-bottom: 18px;
  color: #8bc330;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
}

.intro-panel strong {
  font-size: 28px;
  line-height: 1.25;
}

.use-cases,
.process-section,
.engagements,
.domains,
.why-section,
.audience-section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 34px;
}

.section-heading h2 {
  margin: 0;
  color: #111820;
  font-size: clamp(30px, 4vw, 32px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0;
}

.use-case-grid,
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.use-case-grid article,
.why-grid article {
  padding: 28px;
  border: 1px solid #8bc330;
}

.use-case-grid span {
  display: block;
  margin-bottom: 36px;
  color: #000000;
  font-weight: 700;
}
/* ===========================
   USE CASES
=========================== */

.use-case-grid h4 {
  margin: 0 0 12px;
  color: #8bc330;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.use-case-grid p {
  margin: 0;
  color: #000000;
  font-size: 15px;
  line-height: 1.75;
}

/* ===========================
   PROCESS
=========================== */

.process-grid h4 {
  margin: 0 0 12px;
  color: #111820;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.process-grid p {
  margin: 0;
  color: #526071;
  font-size: 15px;
  line-height: 1.75;
}

.process-grid p + p {
  margin-top: 14px;
}

/* ===========================
   ENGAGEMENT
=========================== */

.engagement-card h3 {
  margin: 0 0 12px;
  color: #000000;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

/* ===========================
   DOMAINS
=========================== */

.domain-card h3 {
  margin: 0 0 12px;
  color: #ffffff;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.domain-card li {
  color: #ffffff;
  font-size: 15px;
  line-height: 1.75;
}

.domain-card.dark h3,
.domain-card.dark li {
  color: #ffffff;
}

/* ===========================
   WHY PEN
=========================== */

.why-grid h3 {
  margin: 0 0 12px;
    color: #111820;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.35;
}

  .why-grid p {
    margin: 0;
    color: #526071;
    font-size: 15px;
    line-height: 1.75;
}

/* ===========================
   AUDIENCE
=========================== */

.audience-list p {
  margin: 0;
  color: #c6c6c6;
  font-size: 15px;
  line-height: 1.75;
}

/* ===========================
   CTA
=========================== */

.cta-section h2 {
  margin: 0 0 12px;
  color: #ffffff;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.15;
}

.cta-section p:not(.eyebrow) {
  color: #dbe4ed;
  font-size: 16px;
  line-height: 1.75;
}
.use-case-grid p,
.process-grid p,
.engagement-card p,
.why-grid p,
.domain-card li,
.audience-list p,
.cta-section p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.process-section {
  width: 100%;
  max-width: none;
}

.process-section > .section-heading,
.process-grid {
  width: min(1140px, calc(100% - 40px));
  margin-inline: auto;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.process-grid article {
  padding: 34px;
  border-left: 4px solid var(--green);
  background: #ffffff;
}

.process-grid p + p {
  margin-top: 14px;
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.engagement-card {
 padding: 34px;
  border-left: 4px solid var(--green);
  background: #ffffff;
}

.engagement-card.featured {
  padding: 34px;
  border-left: 4px solid var(--green);
  background: #ffffff;
}

.engagement-card.featured,
p {
  color: #526071;
}

.card-kicker {
  margin-bottom: 44px;
  color: #8bc330;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.domain-columns {
    display: grid;
    grid-template-columns: 0.8fr 0.8fr;
    gap: 24px;
}
.domain-card {
  padding: 34px;
  background: #ffffff;
  border: 1px solid #8bc330;
}

.domain-card.dark {
  background: #ffffff;
  border: 1px solid #8bc330;
}

.domain-card h3,
.domain-card.dark h3 {
  color: #111820;
}

.domain-card li,
.domain-card.dark li {
  color: #526071;
}
.domain-card ul {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding-left: 20px;
}

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

.audience-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.audience-list p {
  min-height: 210px;
  padding: 24px;
  border-left: 4px solid #8bc330;
  background: #ffffff;
  color: #526071;
}

.cta-section {
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 88px;
  padding: 44px;
  background: #0f151b;
  color: #ffffff;
}

.cta-section h2 {
  margin: 0 0 12px;
  color: #ffffff;
  font-size: clamp(30px, 4vw, 32px);
  line-height: 1.15;
}

.cta-section p:not(.eyebrow) {
  max-width: 690px;
  color: #dbe4ed;
}
.expert-join-section {
    width: min(1140px, calc(100% - 40px));
    margin: 0 auto;
    padding: 70px 50px;
    border: 1px solid var(--line);
    background: #10161c;
    color: #fff;
}

.expert-join-content {
    max-width: 850px;
}

.expert-join-section h2 {
    margin: 0 0 20px;
    color: #fff;
    font-size: clamp(32px, 4vw, 32px);
    line-height: 1.15;
}

.join-intro {
    color: #d4dde7;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.join-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 30px;
}

.join-points div {
    padding: 18px;
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.04);
    border-radius: 8px;
    color: #fff;
    font-weight: 500;
}

.join-note {
    margin-bottom: 35px;
    color: #d4dde7;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .join-points {
        grid-template-columns: 1fr;
    }

    .expert-join-section {
        padding: 40px 24px;
    }
}

.site-footer {
  padding: 54px 20px;
  background: var(--footer);
  color: #ffffff;
}

.footer-inner {
  max-width: 1050px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr 0.7fr;
  gap: 42px;
  align-items: start;
}

.footer-label {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 600;
}

.site-footer h2,
.site-footer h3 {
  margin: 0 0 16px;
  font-weight: 500;
}

.site-footer p {
  margin: 0 0 12px;
  color: #eeeeee;
  line-height: 1.6;
}

.footer-phone {
  color: #ffffff;
  text-decoration: none;
}

.social-link img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

@media (max-width: 1199px) {
  .site-header__inner {
    width: min(940px, calc(100% - 32px));
  }

  .site-nav a {
    padding-inline: 7px;
    font-size: 13px;
  }

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

  .audience-list p {
    min-height: 0;
  }
}

@media (max-width: 991px) {
  .site-header__inner {
    width: min(720px, calc(100% - 32px));
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    display: none;
    min-width: 280px;
    padding: 24px 0;
    background: rgba(0, 0, 0, 0.96);
    text-align: center;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav a {
    padding: 10px 40px;
    font-size: 1.1rem;
  }

  .intro-band,
  .section-heading,
  .process-grid,
  .domain-columns,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .use-case-grid,
  .engagement-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .expert-hero {
    min-height: auto;
  }

  .expert-hero__content {
    width: min(100% - 32px, 540px);
    padding: 72px 0 82px;
  }

  .expert-hero h1 {
    font-size: 44px;
  }

  .intro-band,
  .use-cases,
  .process-section,
  .engagements,
  .domains,
  .why-section,
  .audience-section {
    width: min(100% - 32px, 540px);
    padding: 52px 0;
  }

  .process-section {
    width: 100%;
  }

  .process-section > .section-heading,
  .process-grid {
    width: min(100% - 32px, 540px);
  }

  .intro-panel,
  .process-grid article,
  .engagement-card,
  .domain-card,
  .use-case-grid article,
  .why-grid article,
  .cta-section {
    padding: 24px;
  }

  .why-grid,
  .audience-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    gap: 28px;
  }
}