:root {
  --navy: #0b132b;
  --teal: #00d4b2;
  --green: #22c55e;
  --gray: #f3f4f6;
  --ink: #111827;
  --muted: #667085;
  --line: #d9dee8;
  --white: #ffffff;
  --heading: "Plus Jakarta Sans", Inter, system-ui, sans-serif;
  --body: Inter, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  background: var(--white);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(11, 19, 43, 0.92);
  color: var(--white);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  grid-template-columns: repeat(4, 4px);
  align-items: end;
  gap: 3px;
  width: 28px;
  height: 28px;
  padding: 6px;
  border: 1px solid rgba(0, 212, 178, 0.45);
  border-radius: 8px;
}

.brand-mark span {
  display: block;
  width: 4px;
  border-radius: 999px;
  background: var(--teal);
}

.brand-mark span:nth-child(1) { height: 8px; }
.brand-mark span:nth-child(2) { height: 14px; }
.brand-mark span:nth-child(3) { height: 11px; }
.brand-mark span:nth-child(4) { height: 18px; }

.nav-links,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a:hover,
.site-footer a:hover {
  color: var(--teal);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  white-space: nowrap;
}

.button-primary {
  background: var(--teal);
  color: #06121f;
  box-shadow: 0 12px 34px rgba(0, 212, 178, 0.24);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.section-dark {
  background: var(--navy);
  color: var(--white);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 1.06fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: center;
  min-height: calc(100svh - 82px);
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 72px) 32px;
  overflow: hidden;
}

.hero-copy {
  max-width: 690px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: #07846f;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--heading);
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(44px, 6.5vw, 86px);
  line-height: 0.96;
}

h2 {
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.02;
}

h3 {
  font-size: clamp(22px, 2.4vw, 30px);
}

.hero-text {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.65;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-visual {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 0.35fr 1.08fr;
  align-items: center;
  min-height: 430px;
}

.call-card,
.invoice-card,
.mock-panel {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(20px);
}

.call-card {
  padding: 16px;
}

.card-top,
.invoice-head {
  display: flex;
  align-items: center;
}

.card-top {
  gap: 7px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
}

.card-top span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.26);
}

.card-top strong {
  margin-left: auto;
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.person {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border-radius: 8px;
  font-weight: 800;
}

.teal { background: #00d4b2; color: #06121f; }
.navy { background: #23345f; }
.green { background: #22c55e; color: #06121f; }
.gray { background: #dce3ef; color: #243044; }

.soundwave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 48px;
  border-radius: 8px;
  background: rgba(0, 212, 178, 0.11);
}

.soundwave i {
  width: 5px;
  border-radius: 99px;
  background: var(--teal);
}

.soundwave i:nth-child(1) { height: 14px; }
.soundwave i:nth-child(2) { height: 28px; }
.soundwave i:nth-child(3) { height: 20px; }
.soundwave i:nth-child(4) { height: 36px; }
.soundwave i:nth-child(5) { height: 18px; }
.soundwave i:nth-child(6) { height: 30px; }
.soundwave i:nth-child(7) { height: 12px; }

.flow-line {
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 212, 178, 0), var(--teal), rgba(34, 197, 94, 0));
}

.invoice-card {
  padding: 22px;
  background: #ffffff;
  color: var(--ink);
}

.invoice-head {
  justify-content: space-between;
  margin-bottom: 22px;
}

.invoice-head span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.invoice-head strong {
  font-size: 22px;
}

mark {
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(34, 197, 94, 0.14);
  color: #128340;
  font-weight: 900;
  text-transform: uppercase;
}

.line-item,
.total {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.line-item span {
  color: var(--muted);
}

.total {
  margin-top: 8px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 800;
}

.proof-strip {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  padding-top: 26px;
  color: rgba(255, 255, 255, 0.56);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.proof-strip strong {
  color: rgba(255, 255, 255, 0.88);
}

.section-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.problem,
.testimonial {
  padding: clamp(64px, 8vw, 112px) 0;
  background: var(--gray);
}

.problem-grid {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: clamp(28px, 6vw, 88px);
  align-items: center;
}

.problem p:last-child,
.feature-copy p,
.final-cta p {
  color: #526071;
  font-size: 18px;
  line-height: 1.75;
}

.steps {
  padding: clamp(70px, 9vw, 120px) 0;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.step-grid article {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  border-radius: 8px;
  background: rgba(0, 212, 178, 0.13);
  color: var(--teal);
  font-weight: 900;
}

.step-grid p {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
}

.features {
  padding: clamp(70px, 9vw, 120px) 0;
}

.feature-row {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: clamp(28px, 6vw, 76px);
  align-items: center;
  margin-top: 52px;
}

.feature-row.reverse .feature-copy {
  order: 2;
}

.feature-row.reverse .mock-panel {
  order: 1;
}

.feature-copy strong {
  color: var(--ink);
}

.mock-panel {
  min-height: 260px;
  padding: 28px;
  border-color: var(--line);
  background: linear-gradient(145deg, #ffffff, #eef7f5);
  color: var(--ink);
  box-shadow: 0 22px 60px rgba(11, 19, 43, 0.11);
}

.transcript-line {
  margin-bottom: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
}

.transcript-line.active {
  border-color: rgba(0, 212, 178, 0.44);
  color: var(--ink);
}

.extract-box {
  margin-top: 24px;
  padding: 18px;
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
}

.extract-box span {
  display: block;
  margin-bottom: 6px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.integration-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.integration-panel span {
  display: grid;
  place-items: center;
  min-height: 92px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-weight: 900;
}

.security-panel {
  display: flex;
  align-items: center;
  gap: 24px;
}

.shield {
  display: grid;
  flex: 0 0 118px;
  place-items: center;
  width: 118px;
  height: 118px;
  border-radius: 28px 28px 44px 44px;
  background: var(--navy);
  color: var(--teal);
  font-size: 56px;
  font-weight: 900;
}

.security-panel strong,
.security-panel span {
  display: block;
}

.security-panel strong {
  font-size: 24px;
}

.security-panel span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.6;
}

.quote-wrap {
  max-width: 940px;
}

blockquote {
  margin: 0;
  font-family: var(--heading);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
}

cite {
  display: block;
  margin-top: 24px;
  color: var(--muted);
  font-style: normal;
  font-weight: 800;
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(74px, 9vw, 128px) 0;
  text-align: center;
}

.final-cta::after {
  position: absolute;
  inset: auto 10% -35% 10%;
  height: 260px;
  background: radial-gradient(circle, rgba(0, 212, 178, 0.34), rgba(0, 212, 178, 0));
  content: "";
}

.final-cta .section-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.final-cta p {
  max-width: 670px;
  margin: 18px auto 30px;
  color: rgba(255, 255, 255, 0.72);
}

.final-cta small {
  display: block;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.62);
}

.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 28px clamp(20px, 5vw, 72px);
  background: #071020;
  color: var(--white);
}

.site-footer nav {
  justify-content: center;
}

.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
}

@media (max-width: 920px) {
  .site-header {
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .hero,
  .problem-grid,
  .feature-row {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-visual {
    grid-template-columns: 1fr;
    gap: 16px;
    min-height: 0;
  }

  .flow-line {
    width: 2px;
    height: 34px;
    justify-self: center;
  }

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

  .feature-row.reverse .feature-copy,
  .feature-row.reverse .mock-panel {
    order: initial;
  }

  .site-footer {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .site-footer .brand,
  .site-footer nav {
    justify-content: center;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 16px 20px;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    min-height: 40px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero {
    padding-top: 44px;
  }

  .actions,
  .button {
    width: 100%;
  }

  .proof-strip {
    align-items: flex-start;
    flex-direction: column;
  }

  .integration-panel {
    grid-template-columns: 1fr;
  }

  .security-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}
