.hero {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 84px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 0.95fr);
  align-items: center;
  gap: 72px;
}
.hero-copy h1 { max-width: 650px; margin: 19px 0 0; font-size: clamp(48px, 5.5vw, 76px); line-height: 0.98; letter-spacing: -4px; }
.hero-copy > p:not(.eyebrow) { max-width: 600px; margin: 26px 0 0; color: var(--muted); font-size: 19px; line-height: 1.55; }
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

.product-window { overflow: hidden; border: 1px solid #dedacf; border-radius: 28px; background: var(--card); box-shadow: 0 24px 70px rgba(31, 45, 35, 0.11); }
.window-bar { height: 52px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #e8e5dd; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: #d7d3c9; }
.window-status { color: var(--green); font-size: 11px; font-weight: 800; }
.conversation { padding: 28px; }
.group-name { display: flex; align-items: center; gap: 12px; }
.group-name img { width: 44px; height: 44px; border-radius: 15px; }
.group-name strong, .group-name small { display: block; }
.group-name small { margin-top: 4px; color: var(--faint); }
.message { max-width: 83%; margin-top: 24px; padding: 15px 17px; border-radius: 18px 18px 18px 5px; color: #4e4b45; background: #efede7; line-height: 1.48; }
.message.person { margin-left: auto; border-radius: 18px 18px 5px 18px; color: var(--white); background: var(--green); }
.outputs { margin-top: 25px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.output { padding: 14px; border: 1px solid #dce7df; border-radius: 14px; background: #f6faf7; }
.output strong { display: block; color: var(--green-dark); font-size: 13px; }
.output span { display: block; margin-top: 4px; color: #778078; font-size: 11px; }

.proof-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.34); }
.proof-grid { width: min(1120px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); }
.proof { min-height: 150px; padding: 31px 26px; border-right: 1px solid var(--line); }
.proof:first-child { border-left: 1px solid var(--line); }
.proof b { display: block; color: var(--green); font-size: 12px; letter-spacing: 1px; }
.proof h2 { margin: 13px 0 7px; font-size: 18px; letter-spacing: -0.3px; }
.proof p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }

.section { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 105px 0; }
.section-heading { max-width: 700px; }
.section-heading h2 { margin: 14px 0 0; font-size: clamp(36px, 5vw, 52px); line-height: 1.05; letter-spacing: -2px; }
.section-heading p { margin: 18px 0 0; color: var(--muted); font-size: 17px; line-height: 1.6; }
.steps { margin-top: 50px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { min-height: 260px; padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,0.55); }
.step-number { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: var(--green); background: var(--green-soft); font-size: 13px; font-weight: 900; }
.step h3 { margin: 54px 0 10px; font-size: 23px; letter-spacing: -0.6px; }
.step p { margin: 0; color: var(--muted); line-height: 1.6; }

.library-callout { width: min(1192px, calc(100% - 40px)); margin: 0 auto 100px; padding: 48px; border-radius: 30px; color: var(--white); background: var(--green-dark); display: flex; align-items: center; justify-content: space-between; gap: 42px; }
.library-callout h2 { margin: 10px 0 10px; font-size: clamp(30px, 4vw, 42px); letter-spacing: -1.4px; }
.library-callout p { max-width: 660px; margin: 0; color: #c9dcce; line-height: 1.6; }
.library-callout .eyebrow { color: #8ac7a5; }
.library-actions { display: flex; flex-direction: column; gap: 10px; min-width: 220px; }
.library-actions .button { color: var(--green-dark); background: var(--white); }
.library-actions .text-link { padding: 8px; color: #dce9df; text-align: center; font-size: 13px; font-weight: 750; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 45px; padding-top: 44px; }
  .hero-copy h1 { letter-spacing: -3px; }
  .product-window { max-width: 680px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof:nth-child(3) { border-left: 1px solid var(--line); }
  .proof:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr; }
  .step { min-height: auto; }
  .step h3 { margin-top: 30px; }
}
@media (max-width: 650px) {
  .hero-copy h1 { font-size: 46px; letter-spacing: -2.5px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof, .proof:first-child, .proof:nth-child(3) { border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .proof:last-child { border-bottom: 0; }
  .section { padding: 78px 0; }
  .library-callout { padding: 30px 24px; align-items: stretch; flex-direction: column; }
}