:root {
  --black: #1A1A1A;
  --white: #FFFFFF;
  --off-white: #FAF9F6;
  --blue: #2980B9;
  --green: #3CA273;
  --orange: #F39C12;
  --red: #E74C3C;
  --purple: #9B59B6;
  --text: #2A2A2A;
  --muted: #666666;
  --border: #E6E6E6;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --container: 1140px;
  --header-height: 88px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif, Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

a {
  color: var(--blue);
  text-decoration: none;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

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

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  max-height: 48px;
  width: auto;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  align-items: center;
}

.site-nav a {
  font-weight: 600;
  color: var(--black);
}

.site-nav a:hover {
  color: var(--blue);
}

.site-main {
  padding-top: var(--header-height);
}

.hero-section,
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--off-white);
}

.hero-grid,
.split-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.05;
  font-weight: 800;
}

.hero-copy p {
  max-width: 680px;
  font-size: 1.05rem;
  color: var(--muted);
}

.hero-media img,
.split-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.9rem 1.4rem;
  font-weight: 700;
  transition: 0.2s ease;
}

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

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

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--black);
  background: var(--white);
}

.section-title {
  margin: 0 0 2rem;
  font-size: clamp(2rem, 3vw, 2.8rem);
  text-align: center;
}

.card-grid {
  display: grid;
  gap: 1.5rem;
}

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

.info-card,
.step-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  height: 100%;
}

.info-card h3,
.step-card h3,
.split-copy h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.step-number {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 800;
  margin-bottom: 1rem;
}

.highlight-blue {
  color: var(--blue);
  font-weight: 700;
}

.highlight-green {
  color: var(--green);
  font-weight: 700;
}

.highlight-purple {
  color: var(--purple);
  font-weight: 700;
}

.highlight-orange {
  color: var(--orange);
  font-weight: 700;
}

.site-footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.85);
  padding: 2rem 0;
}

.footer-top,
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-nav a,
.site-footer a {
  color: var(--white);
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--black);
  margin: 5px 0;
  border-radius: 3px;
}

@media (max-width: 1024px) {
  .four-up,
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    width: 100%;
  }

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

  .site-nav ul {
    flex-direction: column;
    padding: 1rem 0;
    align-items: flex-start;
  }

  .header-inner {
    flex-wrap: wrap;
    padding: 0.75rem 0;
  }

  .four-up,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .hero-section,
  .section {
    padding: 4rem 0;
  }

  .footer-top,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.social-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex: 0 0 18px;
}

body.modal-open {
  overflow: hidden;
}

.footer-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 9999;
}

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

.site-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.65);
  backdrop-filter: blur(3px);
}

.site-modal__dialog {
  position: relative;
  width: min(920px, calc(100% - 2rem));
  margin: 4vh auto;
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  max-height: 92vh;
  overflow: hidden;
  animation: siteModalIn 0.18s ease-out;
}

.site-modal__header {
  position: sticky;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 4rem 1.25rem 1.5rem;
  z-index: 2;
}

.site-modal__title {
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.2;
}

.site-modal__close {
  position: absolute;
  top: 0.8rem;
  right: 0.9rem;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  color: var(--black);
  z-index: 3;
}

.site-modal__close:hover {
  background: rgba(0, 0, 0, 0.05);
}

.site-modal__body {
  padding: 1.5rem;
  overflow-y: auto;
  max-height: calc(92vh - 78px);
}

.site-modal__loading,
.site-modal__error {
  padding: 2rem 0;
}

.site-modal__body .section {
  padding: 0;
}

.site-modal__body .container {
  width: 100%;
  margin: 0;
}

.site-modal__body h1 {
  margin-top: 0;
}

@keyframes siteModalIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 768px) {
  .site-modal__dialog {
    width: calc(100% - 1rem);
    margin: 2vh auto;
    max-height: 96vh;
    border-radius: 16px;
  }

  .site-modal__header {
    padding: 1rem 3.5rem 1rem 1rem;
  }

  .site-modal__body {
    padding: 1rem;
    max-height: calc(96vh - 72px);
  }
}