:root {
  --bg: #eef2f5;
  --surface: #ffffff;
  --surface-dark: #0f1b24;
  --text: #18252f;
  --muted: #5d6a74;
  --line: #ccd6de;
  --accent: #7ef044;
  --accent-dark: #1c4f22;
  --container: min(1120px, calc(100% - 2rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "IBM Plex Sans", sans-serif;
  background:
    linear-gradient(180deg, rgba(126, 240, 68, 0.1), transparent 18%),
    var(--bg);
}

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

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(238, 242, 245, 0.9);
  border-bottom: 1px solid rgba(204, 214, 222, 0.85);
  backdrop-filter: blur(12px);
}

.nav-shell,
.footer-row,
.hero-grid,
.service-grid,
.about-grid,
.review-grid,
.faq-grid,
.contact-grid {
  display: grid;
  gap: 1.25rem;
}

.nav-shell {
  grid-template-columns: auto 1fr;
  align-items: center;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
.hero-copy p,
.service-card p,
.about-copy p,
blockquote,
.info-card span,
.stack-card span {
  color: var(--muted);
}

.brand-badge {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  background: var(--surface-dark);
  color: var(--accent);
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  border-radius: 14px;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 1.1rem;
  align-items: center;
}

.site-nav a {
  font-weight: 700;
}

.nav-cta,
.button-primary {
  background: var(--surface-dark);
  color: white !important;
}

.nav-cta {
  padding: 0.9rem 1.15rem;
  border-radius: 999px;
}

.menu-toggle {
  display: none;
}

.hero,
.section {
  padding: 6rem 0;
}

.hero-grid {
  grid-template-columns: 1fr 0.95fr;
  align-items: center;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 800;
}

h1,
h2,
h3,
.stack-card strong {
  margin-top: 0;
  font-family: "Archivo", sans-serif;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(3rem, 7vw, 5.7rem);
  line-height: 0.98;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.1rem, 4.6vw, 3.8rem);
  line-height: 1;
}

h3 {
  margin-bottom: 0.6rem;
  font-size: 1.45rem;
}

p,
span,
li,
button {
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.9rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
}

.button-secondary {
  border: 1px solid var(--line);
}

.hero-stack {
  display: grid;
  gap: 1rem;
}

.stack-photo,
.about-photo {
  margin: 0 0 0.2rem;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.stack-photo img,
.about-photo img {
  display: block;
  width: 100%;
  height: auto;
}

.stack-card,
.service-card,
.review-grid blockquote,
.faq-item,
.contact-card,
.info-card {
  padding: 1.4rem;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.accent-card {
  background: linear-gradient(180deg, rgba(126, 240, 68, 0.22), rgba(126, 240, 68, 0.08));
}

.dark-card {
  background: var(--surface-dark);
}

.dark-card strong,
.dark-card span {
  color: white;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2rem;
}

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

.stripe-section {
  background:
    linear-gradient(90deg, rgba(15, 27, 36, 0.98) 0 24%, transparent 24% 100%),
    linear-gradient(180deg, rgba(126, 240, 68, 0.08), rgba(126, 240, 68, 0.02));
}

.about-grid,
.faq-grid,
.contact-grid {
  grid-template-columns: 0.88fr 1.12fr;
}

.stripe-section h2,
.stripe-section p,
.stripe-section .eyebrow {
  color: white;
}

.stripe-section .about-copy p {
  color: #d6dde3;
}

blockquote {
  margin: 0;
}

cite {
  display: block;
  margin-top: 1rem;
  color: var(--text);
  font-style: normal;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item button {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.faq-answer {
  display: none;
  margin-top: 0.8rem;
  color: var(--muted);
}

.faq-item.open .faq-answer {
  display: block;
}

.info-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-card li {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.info-card li:last-child {
  border-bottom: 0;
}

.site-footer {
  padding: 1.5rem 0 2.3rem;
}

.footer-row {
  grid-template-columns: repeat(3, auto);
  justify-content: space-between;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 980px) {
  .hero-grid,
  .service-grid,
  .about-grid,
  .review-grid,
  .faq-grid,
  .contact-grid,
  .footer-row {
    grid-template-columns: 1fr;
  }

  .stripe-section {
    background: linear-gradient(180deg, rgba(15, 27, 36, 0.98), rgba(15, 27, 36, 0.92));
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
    justify-self: end;
    min-height: 48px;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: white;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
  }

  .nav-shell {
    position: relative;
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    padding: 1rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
  }

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

  .hero,
  .section {
    padding: 4.5rem 0;
  }
}