.service-card-featured {
  grid-column: 1 / -1;
  grid-template-columns: 90px minmax(0, 1fr) auto;
  align-items: end;
  gap: 30px;
  min-height: 235px;
  background: var(--paper);
  display: grid;
}

.service-card-featured h3 {
  margin: 0 0 13px;
}

.service-card-featured .service-number {
  align-self: start;
}

.service-link {
  border-bottom: 1px solid var(--ink);
  padding-block: 10px;
  font-size: 0.9rem;
  font-weight: 680;
  white-space: nowrap;
}

.conversation-promo {
  background: var(--ink);
  color: #fff;
}

.conversation-promo-inner {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 90px;
  padding-block: 112px;
  display: grid;
}

.conversation-promo-copy h2 {
  letter-spacing: -0.058em;
  max-width: 760px;
  margin: 28px 0 24px;
  font-size: clamp(2.6rem, 4.7vw, 5rem);
  line-height: 1;
}

.conversation-promo-copy > p:not(.section-label) {
  color: #bdc5c0;
  max-width: 680px;
  font-size: 1.08rem;
  line-height: 1.7;
}

.conversation-promo-copy .button {
  color: var(--ink);
  margin-top: 25px;
}

.conversation-proof {
  border-top: 1px solid #ffffff42;
  align-self: center;
}

.conversation-proof div {
  border-bottom: 1px solid #ffffff2e;
  grid-template-columns: 58px 1fr;
  align-items: center;
  gap: 20px;
  padding: 25px 0;
  display: grid;
}

.conversation-proof span,
.trust-grid span {
  color: var(--yellow);
  font-family: var(--font-geist-mono), monospace;
  font-size: 0.7rem;
}

.conversation-proof strong {
  font-size: 1.08rem;
}

.product-hero {
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  align-items: center;
  gap: 64px;
  min-height: 750px;
  padding-block: 78px 96px;
  display: grid;
}

.product-hero h1 {
  font-size: clamp(3rem, 5.7vw, 5.75rem);
}

.inbox-preview {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 30px;
  min-height: 490px;
  overflow: hidden;
  box-shadow: 0 28px 72px #10161324;
}

.inbox-preview-header {
  border-bottom: 1px solid var(--line);
  justify-content: space-between;
  align-items: center;
  padding: 22px 24px;
  font-size: 0.78rem;
  font-weight: 680;
  display: flex;
}

.live-pill {
  background: #e9f4ed;
  color: #205b36;
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.inbox-preview-body {
  grid-template-columns: 37% 63%;
  min-height: 362px;
  display: grid;
}

.inbox-list {
  border-right: 1px solid var(--line);
  padding: 19px 15px;
}

.inbox-row {
  background: #e9e7df;
  border-radius: 10px;
  width: 100%;
  height: 58px;
  margin-bottom: 12px;
  display: block;
}

.inbox-row.active {
  background: #f4c61452;
  box-shadow: inset 3px 0 var(--yellow);
}

.inbox-row.short {
  width: 72%;
}

.message-thread {
  align-content: end;
  gap: 15px;
  padding: 30px 24px;
  display: grid;
}

.message-bubble {
  border-radius: 18px 18px 18px 5px;
  width: 83%;
  height: 62px;
  display: block;
}

.message-bubble.incoming {
  background: #e9e7df;
}

.message-bubble.compact {
  width: 58%;
  height: 42px;
}

.message-bubble.outgoing {
  background: var(--yellow);
  border-radius: 18px 18px 5px;
  width: 68%;
  height: 52px;
  margin-left: auto;
}

.reply-status {
  border-top: 1px solid var(--line);
  color: #376547;
  align-items: center;
  gap: 8px;
  padding: 15px 24px;
  font-size: 0.75rem;
  font-weight: 650;
  display: flex;
}

.reply-status span {
  background: #3a9a5a;
  border-radius: 50%;
  width: 8px;
  height: 8px;
}

.product-trust {
  background: var(--ink);
  color: #fff;
}

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

.trust-grid div {
  border-right: 1px solid #ffffff2e;
  gap: 9px;
  padding: 28px 24px;
  display: grid;
}

.trust-grid div:first-child {
  border-left: 1px solid #ffffff2e;
}

.trust-grid strong {
  font-size: 0.9rem;
}

.product-feature-grid .service-card h3 {
  margin-top: 62px;
}

.boundaries-section {
  padding-top: 90px;
}

.boundaries-card {
  background: var(--yellow);
  border-radius: 32px;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding: 64px;
  display: grid;
}

.boundaries-card h2,
.data-use-grid h2 {
  letter-spacing: -0.055em;
  margin: 29px 0 0;
  font-size: clamp(2.35rem, 4vw, 4.15rem);
  line-height: 1.02;
}

.boundaries-card ul {
  align-self: center;
}

.boundaries-card li {
  border-bottom: 1px solid #4339003d;
  padding: 17px 0 17px 26px;
  line-height: 1.55;
  position: relative;
}

.boundaries-card li::before {
  content: "";
  background: var(--ink);
  border-radius: 50%;
  width: 7px;
  height: 7px;
  position: absolute;
  top: 25px;
  left: 0;
}

.data-use-section {
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.data-use-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 100px;
  padding-block: 110px;
  display: grid;
}

.data-use-copy {
  color: #46504a;
  font-size: 1.05rem;
  line-height: 1.7;
}

.data-use-copy a {
  color: var(--ink);
  font-weight: 650;
}

.policy-links {
  border-top: 1px solid var(--line);
  gap: 25px;
  margin-top: 34px;
  padding-top: 23px;
  display: flex;
}

.policy-links a {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 5px;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .service-card-featured,
  .conversation-promo-inner,
  .product-hero,
  .boundaries-card,
  .data-use-grid {
    grid-template-columns: 1fr;
  }

  .service-card-featured {
    align-items: start;
  }

  .service-link {
    justify-self: start;
  }

  .conversation-promo-inner,
  .data-use-grid {
    gap: 55px;
  }

  .product-hero {
    min-height: 0;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .product-page nav > a:not(.nav-cta) {
    display: none;
  }
}

@media (max-width: 640px) {
  .service-card-featured {
    grid-template-columns: 1fr;
    gap: 22px;
    min-height: 0;
  }

  .conversation-promo-inner,
  .product-hero,
  .data-use-grid {
    padding-block: 78px;
  }

  .inbox-preview {
    min-height: 420px;
  }

  .inbox-preview-body {
    grid-template-columns: 34% 66%;
    min-height: 300px;
  }

  .inbox-list {
    padding-inline: 10px;
  }

  .message-thread {
    padding-inline: 14px;
  }

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

  .trust-grid div,
  .trust-grid div:first-child {
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid #ffffff2e;
  }

  .boundaries-section {
    padding-top: 72px;
  }

  .boundaries-card {
    gap: 40px;
    padding: 38px 25px;
  }

  .policy-links {
    align-items: flex-start;
    flex-direction: column;
  }
}