.benefit-section {
  position: relative;
  padding: 104px 0;
  overflow: hidden;
}

.benefit-section.light { background: #f4f8f7; color: #07111f; }
.benefit-section.dark { background: #07111f; color: #f7fbff; }
.benefit-section.mint { background: #54e6c1; color: #07111f; }

.benefit-heading {
  max-width: 920px;
  margin: 0;
  font: 600 clamp(2.55rem, 5.4vw, 5rem)/.98 var(--display);
  letter-spacing: -.06em;
}

.benefit-lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: #6a7d89;
  font-size: 1.05rem;
  line-height: 1.72;
}

.dark .benefit-lead { color: #9db1c0; }

.value-proof-grid,
.service-value-grid,
.business-example-grid,
.trust-value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 44px;
}

.value-proof-card,
.service-value-card,
.business-example-card,
.trust-value-card {
  padding: 28px;
  border: 1px solid rgba(7, 17, 31, .12);
  border-radius: 22px;
  background: rgba(255, 255, 255, .72);
}

.dark .value-proof-card,
.dark .service-value-card,
.dark .business-example-card,
.dark .trust-value-card {
  border-color: rgba(255, 255, 255, .1);
  background: linear-gradient(145deg, rgba(14, 32, 49, .92), rgba(7, 19, 31, .9));
}

.value-proof-card span,
.service-value-card span,
.business-example-card span,
.trust-value-card span {
  display: block;
  color: #16866f;
  font: 700 .68rem/1 var(--display);
  letter-spacing: .13em;
  text-transform: uppercase;
}

.dark .value-proof-card span,
.dark .service-value-card span,
.dark .business-example-card span,
.dark .trust-value-card span { color: var(--v4-mint); }

.value-proof-card h3,
.service-value-card h3,
.business-example-card h3,
.trust-value-card h3 { margin: 24px 0 10px; font-size: 1.16rem; }

.value-proof-card p,
.service-value-card p,
.business-example-card p,
.trust-value-card p { margin: 0; color: #667985; line-height: 1.65; font-size: .9rem; }

.dark .value-proof-card p,
.dark .service-value-card p,
.dark .business-example-card p,
.dark .trust-value-card p { color: #8fa6b8; }

.comparison-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 46px;
}

.comparison-tool {
  padding: 30px;
  border: 1px solid rgba(7, 17, 31, .12);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(7, 17, 31, .08);
}

.comparison-tool h3 { margin: 0; font: 600 1.35rem/1.2 var(--display); }
.comparison-tool > p { margin: 10px 0 24px; color: #687b87; line-height: 1.55; }

.comparison-input-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.comparison-field { display: grid; gap: 7px; }
.comparison-field.full { grid-column: 1 / -1; }
.comparison-field label { color: #506571; font-size: .76rem; font-weight: 700; }
.comparison-field input,
.comparison-field select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid #cad7dc;
  border-radius: 11px;
  color: #07111f;
  background: #f8fbfa;
  font: 600 .95rem var(--body);
}

.comparison-output {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.comparison-output div {
  padding: 16px;
  border-radius: 14px;
  background: #07111f;
  color: #fff;
}

.comparison-output span { display: block; color: #8da4b4; font-size: .7rem; line-height: 1.3; }
.comparison-output strong { display: block; margin-top: 7px; color: var(--v4-mint); font: 600 clamp(1.45rem, 3vw, 2.15rem)/1 var(--display); }
.comparison-disclosure { margin: 18px 0 0; color: #71848e; font-size: .72rem; line-height: 1.55; }

.universal-business-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 42px;
  padding: 28px;
  border: 1px solid rgba(84, 230, 193, .32);
  border-radius: 22px;
  background: linear-gradient(120deg, rgba(84, 230, 193, .1), rgba(128, 147, 255, .06));
}

.universal-business-band strong { display: block; color: #fff; font-size: 1.2rem; }
.universal-business-band p { max-width: 780px; margin: 8px 0 0; color: #9db1c0; line-height: 1.6; }
.light .universal-business-band { background: #07111f; }

.conversation-methods { margin: 22px 0; }
.conversation-methods legend { margin-bottom: 12px; color: #b8c7d1; font-size: .77rem; font-weight: 700; }
.channel-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; }
.channel-choice { position: relative; }
.channel-choice input { position: absolute; opacity: 0; pointer-events: none; }
.channel-choice span {
  display: grid;
  min-height: 48px;
  place-items: center;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 12px;
  color: #b8c7d1;
  cursor: pointer;
  font-size: .78rem;
  font-weight: 700;
  text-align: center;
}
.channel-choice input:checked + span { border-color: var(--v4-mint); color: #07111f; background: var(--v4-mint); }
.channel-choice input:focus-visible + span { outline: 3px solid rgba(84, 230, 193, .35); outline-offset: 2px; }

.demo-welcome-dialog {
  width: min(680px, calc(100% - 28px));
  padding: 0;
  border: 1px solid rgba(84, 230, 193, .3);
  border-radius: 26px;
  color: #eaf3f7;
  background: #081522;
  box-shadow: 0 36px 110px rgba(0, 0, 0, .66);
}
.demo-welcome-dialog::backdrop { background: rgba(2, 8, 16, .82); backdrop-filter: blur(10px); }
.demo-welcome-inner { position: relative; padding: 32px; }
.demo-welcome-head { display: flex; justify-content: space-between; gap: 20px; align-items: start; }
.demo-welcome-head h2 { margin: 10px 0 8px; font: 600 clamp(2rem, 5vw, 3.4rem)/.98 var(--display); letter-spacing: -.05em; }
.demo-welcome-head p { margin: 0; color: #90a6b6; line-height: 1.6; }
.demo-welcome-close { position: absolute; z-index: 2; top: 18px; right: 18px; display: grid; width: 38px; height: 38px; flex: none; place-items: center; border: 1px solid rgba(255,255,255,.12); border-radius: 10px; color: #b8c7d1; background: transparent; cursor: pointer; }
.demo-welcome-step[hidden] { display: none; }
.demo-language-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.demo-language-grid,.demo-profile-grid { margin-top: 28px; }
.demo-language-button { display: grid; gap: 5px; min-height: 86px; padding: 16px; border: 1px solid rgba(255,255,255,.12); border-radius: 15px; color: #dce8ee; background: #0c1c2c; cursor: pointer; font: 700 .82rem var(--display); }
.demo-language-button span { color: inherit; opacity: .72; font: 500 .72rem var(--sans); }
.demo-language-button:hover,.demo-language-button[aria-pressed="true"] { border-color: var(--v4-mint); color: #07111f; background: var(--v4-mint); }
.demo-profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.demo-profile-grid label { display: grid; gap: 8px; color: #aebfca; font-size: .75rem; font-weight: 700; }
.demo-profile-grid input { min-height: 48px; padding: 10px 12px; border: 1px solid rgba(255,255,255,.14); border-radius: 11px; color: #fff; background: #06111d; font: 500 .95rem var(--body); }
.demo-welcome-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.demo-privacy-note { margin: 16px 0 0; color: #758d9e; font-size: .72rem; line-height: 1.5; }

.compact-link-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.compact-link-row a { text-decoration: none; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr repeat(3, minmax(0, 1fr));
  gap: 54px;
  padding-bottom: 52px;
}
.footer-brand > a:not(.brand) { display: inline-block; margin-top: 12px; color: #b8c7d1; font-size: .82rem; text-decoration: none; }
.footer-col { display: grid; align-content: start; gap: 12px; }
.footer-col strong { margin-bottom: 5px; color: #63788a; font: 700 .64rem var(--display); letter-spacing: .13em; text-transform: uppercase; }
.footer-col a,.footer-button { width: fit-content; padding: 0; border: 0; color: #acbac5; background: none; cursor: pointer; font: 500 .83rem var(--body); text-align: left; text-decoration: none; }
.footer-col a:hover,.footer-button:hover { color: var(--v4-mint); }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-grid .footer-col:last-child { grid-column: 2; }
}

@media (max-width: 900px) {
  .value-proof-grid,.service-value-grid,.business-example-grid,.trust-value-grid { grid-template-columns: 1fr 1fr; }
  .comparison-tools { grid-template-columns: 1fr; }
  .universal-business-band { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .benefit-section { padding: 76px 0; }
  .value-proof-grid,.service-value-grid,.business-example-grid,.trust-value-grid { grid-template-columns: 1fr; }
  .comparison-tool { padding: 22px; }
  .comparison-input-grid,.comparison-output,.demo-profile-grid { grid-template-columns: 1fr; }
  .channel-grid { grid-template-columns: 1fr 1fr; }
  .demo-welcome-inner { padding: 24px 18px; }
  .demo-language-grid { grid-template-columns: 1fr; }
  .demo-language-button { min-height: 58px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 22px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid .footer-col:last-child { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}