:root {
  --bg: #f5f5f7;
  --bg-soft: #eeeeef;
  --surface: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --blue: #0071e3;
  --blue-dark: #005bb5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.48;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.page {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 245, 247, .82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.08);
}

.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.logo {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.logo img {
  width: 210px;
  height: auto;
  display: block;
}

.menu {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.menu a:hover {
  color: var(--text);
}

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex: 0 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  transition: .18s ease;
  white-space: nowrap;
}

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

.btn.primary:hover {
  background: var(--blue-dark);
}

.btn.ghost {
  color: var(--blue);
  background: transparent;
}

.btn.ghost:hover {
  color: var(--blue-dark);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 6px auto;
  background: var(--text);
  transition: .2s ease;
}

.menu-toggle.is-open span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle.is-open span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  padding: 96px 0 72px;
  text-align: center;
  background:
    radial-gradient(circle at center, rgba(0,113,227,.055), transparent 62%);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -.02em;
}

h1 {
  max-width: 1020px;
  margin: 0 auto;
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -.055em;
  font-weight: 700;
}

.lead {
  max-width: 820px;
  margin: 30px auto 0;
  color: var(--muted);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.22;
  letter-spacing: -.025em;
  font-weight: 500;
}

.hero-links {
  margin-top: 34px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-logo {
  margin: 90px auto 0;
  width: min(720px, 100%);
  background: var(--surface);
  border: 1px solid rgba(0,0,0,.06);
  border-radius: 36px;
  padding: clamp(28px, 5vw, 54px);
  box-shadow: 0 28px 80px rgba(0,0,0,.06);
}

.hero-logo img {
  display: block;
  width: 100%;
  height: auto;
}

.section {
  padding: 78px 0;
}

.section + .section {
  border-top: 1px solid rgba(0,0,0,.07);
}

.intro {
  max-width: 820px;
  margin-bottom: 54px;
}

.intro.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.04;
  letter-spacing: -.045em;
  font-weight: 700;
}

.intro p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.28;
  letter-spacing: -.025em;
  font-weight: 500;
}

.wide-card {
  background: var(--surface);
  border-radius: 34px;
  border: 1px solid rgba(0,0,0,.06);
  padding: clamp(30px, 5vw, 62px);
  box-shadow: 0 18px 60px rgba(0,0,0,.045);
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 58px;
  align-items: start;
}

.list {
  display: grid;
  gap: 28px;
}

.list-item {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.list-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.list-item h3 {
  margin: 0 0 8px;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -.03em;
  font-weight: 650;
}

.list-item p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.42;
}

.process {
  display: grid;
  gap: 22px;
  max-width: 980px;
  margin: 0 auto;
}

.process-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 34px;
  align-items: start;
  padding: 34px 0;
  border-bottom: 1px solid rgba(0,0,0,.09);
}

.process-row:last-child {
  border-bottom: 0;
}

.num {
  color: var(--blue);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.03em;
}

.process-row h3 {
  margin: 0 0 8px;
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.1;
  letter-spacing: -.035em;
}

.process-row p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 19px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.service {
  min-height: 260px;
  background: var(--surface);
  border-radius: 34px;
  border: 1px solid rgba(0,0,0,.06);
  padding: 38px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.service h3 {
  margin: 0;
  font-size: 32px;
  line-height: 1.05;
  letter-spacing: -.04em;
}

.service p {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.quiet-box {
  background: var(--bg);
  border-radius: 28px;
  padding: 34px;
  border: 1px solid rgba(0,0,0,.05);
}

.quiet-box p {
  margin: 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.45;
}

.cta {
  text-align: center;
  padding: 92px 0;
}

.cta h2 {
  max-width: 760px;
  margin: 0 auto;
}

.cta p {
  max-width: 660px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: 22px;
  line-height: 1.28;
  letter-spacing: -.02em;
}

.cta .hero-links {
  margin-top: 32px;
}

.faq {
  max-width: 920px;
  margin: 0 auto;
  border-top: 1px solid rgba(0,0,0,.1);
}

details {
  border-bottom: 1px solid rgba(0,0,0,.1);
  padding: 24px 0;
}

summary {
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -.025em;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

summary::-webkit-details-marker {
  display: none;
}

summary:after {
  content: "+";
  color: var(--muted);
  font-weight: 400;
}

details[open] summary:after {
  content: "−";
}

details p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
  max-width: 760px;
}

footer {
  background: var(--bg-soft);
  border-top: 1px solid rgba(0,0,0,.1);
  padding: 46px 0 34px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1fr;
  gap: 38px;
}

footer h4 {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -.01em;
}

footer p,
footer a {
  display: block;
  margin: 0 0 9px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

footer a:hover {
  color: var(--text);
}

.copyright {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(0,0,0,.08);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
.mobile-cta {
  display: none;
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 30;
  box-shadow: 0 12px 40px rgba(0,0,0,.18);
}

/* Tablet */
@media (max-width: 900px) {
  body {
    padding-bottom: 78px;
  }

  .page {
    width: min(100% - 32px, 1180px);
  }

  .nav {
    height: 68px;
    gap: 12px;
  }

  .logo img {
    width: 166px;
  }

  .menu-toggle {
    display: block;
    order: 3;
  }

  .menu {
    position: absolute;
    top: 78px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border: 1px solid rgba(0,0,0,.08);
    border-radius: 22px;
    padding: 10px;
    box-shadow: 0 18px 50px rgba(0,0,0,.12);
  }

  .menu.is-open {
    display: flex;
  }

  .menu a {
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 16px;
    color: var(--text);
  }

  .menu a:hover {
    background: var(--bg);
  }

  .actions .ghost {
    display: none;
  }

  .actions .primary {
    display: none;
  }

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

  .process-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .mobile-cta {
    display: inline-flex;
  }
}

/* Mobile */
@media (max-width: 560px) {
  .page {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    background: rgba(245, 245, 247, .94);
  }

  .nav {
    height: 64px;
  }

  .logo img {
    width: 148px;
  }

  .menu {
    top: 72px;
  }

  .hero {
    padding: 62px 0 54px;
  }

  .eyebrow {
    font-size: 17px;
    margin-bottom: 14px;
  }

  h1 {
    font-size: clamp(38px, 12vw, 52px);
    line-height: 1.02;
    letter-spacing: -.055em;
  }

  .lead {
    margin-top: 22px;
    font-size: 20px;
    line-height: 1.28;
  }

  .hero-links {
    margin-top: 28px;
    gap: 12px;
    flex-direction: column;
    align-items: stretch;
  }

  .hero-links .btn {
    width: 100%;
  }

  .hero-logo {
    margin-top: 54px;
    border-radius: 26px;
    padding: 24px;
  }

  .section {
    padding: 58px 0;
  }

  h2 {
    font-size: clamp(32px, 10vw, 44px);
    line-height: 1.05;
  }

  .intro {
    margin-bottom: 34px;
  }

  .intro p {
    font-size: 19px;
  }

  .wide-card,
  .service {
    border-radius: 26px;
    padding: 28px;
  }

  .list-item h3,
  .process-row h3 {
    font-size: 25px;
  }

  .list-item p,
  .process-row p,
  .service p,
  .quiet-box p,
  details p {
    font-size: 17px;
  }

  .service {
    min-height: auto;
  }

  .service h3 {
    font-size: 28px;
  }

  .quiet-box {
    padding: 26px;
    border-radius: 24px;
  }

  .cta {
    padding: 66px 0;
  }

  .cta p {
    font-size: 19px;
  }

  summary {
    font-size: 19px;
  }

  footer {
    padding-bottom: 96px;
  }
}