:root {
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-text-secondary: #555555;
  --color-tint: #f9fafb;
  --color-accent: #4a6cf7;
  --color-cta: #111111;
  --color-cta-hover: #333333;
  --color-border: #e5e7eb;
  --max-width: 1200px;
  --section-padding-desktop: 100px;
  --section-padding-mobile: 60px;
  --transition-default: 200ms ease;
  --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-default), text-decoration-color var(--transition-default);
}

a:hover,
a:focus {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
}

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

.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;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin: 0 auto;
}

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

.section--tinted {
  background: var(--color-tint);
}

.section__eyebrow,
.section__label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}

.section__label {
  margin-bottom: 0.4rem;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 20px;
  font-weight: 700;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  margin: 0 0 1.4rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

ul {
  padding-left: 1.2rem;
  margin: 0;
  color: var(--color-text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  cursor: pointer;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.95rem 2rem;
  transition: background var(--transition-default), color var(--transition-default), transform var(--transition-default), box-shadow var(--transition-default);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-cta);
  color: #ffffff;
}

.btn--primary:hover,
.btn--primary:focus {
  background: var(--color-cta-hover);
}

.btn--ghost {
  background: transparent;
  color: var(--color-cta);
  border: 1px solid var(--color-cta);
}

.btn--ghost:hover,
.btn--ghost:focus {
  background: var(--color-cta);
  color: #ffffff;
}

.btn--inverse {
  background: #ffffff;
  color: var(--color-cta);
}

.btn--inverse:hover,
.btn--inverse:focus {
  background: var(--color-cta);
  color: #ffffff;
}

.btn--small {
  padding: 0.65rem 1.5rem;
  background: var(--color-cta);
  color: #ffffff;
  border-radius: 999px;
  font-weight: 600;
}

.btn--small:hover,
.btn--small:focus {
  background: var(--color-cta-hover);
}

.btn:hover,
.btn:focus {
  color: #ffffff;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: #ffffff;
  z-index: 10;
  box-shadow: none;
  transition: box-shadow var(--transition-default), transform var(--transition-default);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.nav__logo {
  display: block;
  max-width: 300px;
  min-width: 300px;
}

.nav__logo img {
  display: block;
  width: 100%;
  max-width: 300px;
  min-width: 300px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-weight: 500;
}

.nav__toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0;
  flex-direction: column;
  gap: 0.3rem;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
}

.nav-mobile {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 1.5rem;
}

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

.nav-mobile__panel {
  background: #ffffff;
  width: min(80%, 320px);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

.nav-mobile__links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: center;
}

.hero__copy {
  font-size: 1.25rem;
}

.hero__media {
  position: relative;
  min-height: 400px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(74, 108, 247, 0.15), rgba(17, 17, 17, 0.1));
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.micro-line {
  margin-top: 1.25rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.operator-line {
  text-align: center;
}

.operator-line__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.operator-line__inner p {
  max-width: 720px;
  margin: 0;
  color: var(--color-text-secondary);
}

.what-we-do {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: start;
}

.issue-list h3 {
  margin-bottom: 1rem;
}

.issue-list ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.issue-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.issue-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.issue-icon svg {
  width: 24px;
  height: 24px;
}

.hybrid-partner__intro {
  max-width: 720px;
}

.card-grid {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.hybrid-partner .cta-group {
  margin-top: 1.5rem;
}

.service-card,
.article-card {
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 1.75rem;
  background: #ffffff;
  transition: transform var(--transition-default), box-shadow var(--transition-default);
  min-height: 250px;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-card:hover,
.article-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}

.service-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--color-tint);
}

.service-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.model-wins__list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.model-wins__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.model-wins__number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.outcomes__list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem 2rem;
}

.outcomes__list li {
  padding-left: 1.5rem;
  position: relative;
}

.outcomes__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.timeline {
  position: relative;
  margin-top: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline__item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.timeline__number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.timeline__divider {
  height: 20px;
}

.about {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: center;
}

.about__media {
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 24px;
  background: radial-gradient(circle at 30% 30%, rgba(74, 108, 247, 0.07), transparent 45%),
    radial-gradient(circle at 70% 70%, rgba(17, 17, 17, 0.08), transparent 55%),
    #f7f8ff;
}

.about__photo {
  width: clamp(220px, 28vw, 300px);
  height: clamp(220px, 28vw, 300px);
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid #ffffff;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.12);
}

.card-grid--articles {
  margin-top: 1.5rem;
}

.article-card__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-block;
  margin-bottom: 0.6rem;
}

.article-card a.btn {
  margin-top: auto;
}

.final-cta {
  background: #111111;
  color: #ffffff;
  text-align: center;
}

.final-cta__inner {
  max-width: 720px;
}

.final-cta__embed {
  margin-top: 1.75rem;
  background: #ffffff;
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.12);
  min-height: 520px;
}

.final-cta__embed [data-tf-live] {
  width: 100%;
  min-height: 480px;
}

.final-cta h2 {
  color: #ffffff;
}

.final-cta p {
  color: #e5e5e5;
}

.site-footer {
  background: var(--color-tint);
  border-top: 1px solid var(--color-border);
  margin-top: 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  padding: 3rem 0;
}

.footer__inner h4 {
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer__inner ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__social {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__social img {
  width: 28px;
  height: 28px;
  display: block;
}

.footer__copy {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.fade-block {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.fade-block.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  .nav__links {
    display: none;
  }

  .btn--small {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__grid,
  .what-we-do,
  .about {
    grid-template-columns: 1fr;
  }

  .hero__media {
    min-height: 400px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--section-padding-mobile) 0;
  }

  .issue-list ul {
    gap: 1rem;
  }

  .model-wins__item {
    grid-template-columns: 60px 1fr;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline__number {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(90%, 100%);
  }

  .nav__logo,
  .nav__logo img {
    max-width: 220px;
    min-width: 180px;
  }

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

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