:root {
  --ink: #172027;
  --muted: #5d6876;
  --paper: #f6f8f7;
  --surface: #ffffff;
  --surface-2: #eef5f4;
  --line: #d8e2e4;
  --teal: #0fbaa8;
  --teal-dark: #08796f;
  --green: #2f9e62;
  --amber: #f3a21b;
  --coral: #e65f4f;
  --blue: #2d6cdf;
  --plum: #6f42c1;
  --shadow: 0 20px 60px rgba(22, 32, 39, 0.14);
  --soft-shadow: 0 12px 34px rgba(22, 32, 39, 0.1);
  --radius: 8px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.55;
  letter-spacing: 0;
}

body::selection {
  background: rgba(15, 186, 168, 0.22);
}

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

img {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(45, 108, 223, 0.45);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 14px max(24px, calc((100vw - 1180px) / 2));
  background: rgba(246, 248, 247, 0.9);
  border-bottom: 1px solid rgba(216, 226, 228, 0.72);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 196px;
}

.brand-mark {
  display: grid;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  place-items: center;
  color: #fff;
  font-weight: 900;
  background:
    linear-gradient(135deg, rgba(15, 186, 168, 0.94), rgba(45, 108, 223, 0.94)),
    #0fbaa8;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius);
  box-shadow: 0 10px 22px rgba(15, 186, 168, 0.26);
}

.brand strong {
  display: block;
  font-size: 0.98rem;
  line-height: 1.1;
}

.brand small {
  display: block;
  max-width: 180px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.25;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  color: #344250;
  font-size: 0.94rem;
  white-space: nowrap;
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--teal);
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 780;
  line-height: 1;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.header-cta {
  position: relative;
  color: #fff;
  background: var(--ink);
  box-shadow: 0 10px 24px rgba(22, 32, 39, 0.2);
  white-space: nowrap;
}

.btn svg,
.header-cta svg,
.trust-row svg,
.proof-strip svg,
.info-card svg,
.step-card svg,
.audience-card svg,
.check-list svg {
  width: 19px;
  height: 19px;
  stroke-width: 2.15;
}

.btn:hover,
.header-cta:hover {
  transform: translateY(-2px);
}

.section-band {
  padding: 58px max(24px, calc((100vw - 1180px) / 2));
}

section[id] {
  scroll-margin-top: 86px;
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 628px;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8, 13, 17, 0.95) 0%, rgba(8, 13, 17, 0.9) 36%, rgba(8, 13, 17, 0.64) 56%, rgba(8, 13, 17, 0.22) 78%, rgba(8, 13, 17, 0.08) 100%),
    linear-gradient(0deg, rgba(8, 13, 17, 0.34), rgba(8, 13, 17, 0.1)),
    url("assets/hero-psa-1c.png") center / cover no-repeat;
}

.hero::before {
  position: absolute;
  inset: 0 35% 0 0;
  z-index: -1;
  content: "";
  background:
    radial-gradient(circle at 32% 45%, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0) 58%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0));
  pointer-events: none;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 34%;
  content: "";
  background: linear-gradient(0deg, rgba(10, 16, 21, 0.68), rgba(10, 16, 21, 0));
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 18px 0;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #b7fff5;
  max-width: min(100%, 560px);
  padding: 10px 14px 10px 12px;
  margin-bottom: 22px;
  font-size: 0.88rem;
  line-height: 1.18;
  background: linear-gradient(135deg, rgba(9, 142, 129, 0.38), rgba(249, 196, 83, 0.18));
  border: 1px solid rgba(183, 255, 245, 0.4);
  border-radius: 999px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.eyebrow-text {
  min-width: 0;
}

.pulse-dot {
  position: relative;
  width: 10px;
  height: 10px;
  background: var(--teal);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(15, 186, 168, 0.5);
  animation: pulse 1.8s ease-out infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(15, 186, 168, 0.54);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(15, 186, 168, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(15, 186, 168, 0);
  }
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin-bottom: 22px;
  font-size: 4.1rem;
  line-height: 0.98;
  letter-spacing: 0;
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.48);
}

h2 {
  margin-bottom: 18px;
  font-size: 2.7rem;
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
  line-height: 1.22;
  letter-spacing: 0;
}

.hero-lead,
.section-copy,
.demo-copy p {
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.2rem;
  line-height: 1.62;
}

.hero-lead {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.58);
}

.section-copy,
.demo-copy p {
  color: #4f5e6a;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 24px;
}

.btn.primary {
  color: #071114;
  background: linear-gradient(135deg, #64f4df, #f9c453);
  box-shadow: 0 18px 38px rgba(15, 186, 168, 0.28);
}

.btn.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.11);
  border-color: rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(10px);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-visual img {
  display: none;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.proof-strip-item {
  display: flex;
  gap: 14px;
  align-items: center;
  min-height: 84px;
  padding: 18px 22px;
  color: #2f3d49;
  border-right: 1px solid rgba(216, 226, 228, 0.86);
}

.proof-strip-item:first-child {
  padding-left: 0;
}

.proof-strip-item:last-child {
  padding-right: 0;
  border-right: 0;
}

.proof-strip-item svg {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  color: var(--teal-dark);
}

.proof-strip-item strong,
.proof-strip-item small {
  display: block;
}

.proof-strip-item strong {
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.2;
}

.proof-strip-item small {
  margin-top: 4px;
  color: #65717d;
  font-size: 0.86rem;
  line-height: 1.35;
}

.pain {
  background: #fff;
}

.pain.section-band {
  padding-top: 54px;
  padding-bottom: 54px;
}

.pain-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.info-card,
.audience-card,
.step-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.info-card {
  min-height: 236px;
  padding: 28px;
}

.info-card svg,
.audience-card svg,
.step-card > svg {
  width: 34px;
  height: 34px;
  margin-bottom: 20px;
  color: var(--teal-dark);
}

.info-card:nth-child(2) svg {
  color: var(--coral);
}

.info-card:nth-child(3) svg {
  color: var(--amber);
}

.info-card p,
.audience-card p,
.step-card p,
.outcome-item p {
  margin-bottom: 0;
  color: #5e6b78;
}

.outcome {
  background:
    linear-gradient(90deg, rgba(15, 186, 168, 0.1), rgba(45, 108, 223, 0.08)),
    #eef5f4;
}

.outcome-layout,
.security-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: 58px;
  align-items: center;
}

.outcome-list {
  display: grid;
  gap: 12px;
}

.outcome-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 4px 16px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(216, 226, 228, 0.85);
  border-radius: var(--radius);
}

.outcome-item span {
  grid-row: 1 / span 2;
  color: var(--teal-dark);
  font-weight: 900;
}

.outcome-item strong {
  font-size: 1.05rem;
}

.workflow {
  background: #f8fbff;
}

.workflow-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.step-card {
  position: relative;
  min-height: 246px;
  padding: 28px 24px;
  overflow: hidden;
}

.step-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 5px;
  content: "";
  background: linear-gradient(90deg, var(--teal), var(--amber));
}

.step-number {
  position: absolute;
  top: 18px;
  right: 18px;
  color: rgba(23, 32, 39, 0.13);
  font-size: 3.1rem;
  font-weight: 900;
  line-height: 1;
}

.fields {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: 54px;
  align-items: center;
  background: #fff;
}

.fields.section-band {
  padding-top: 50px;
  padding-bottom: 38px;
}

.field-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
  padding-top: 8px;
}

.field-cloud span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  color: #123236;
  background: #ecfbf8;
  border: 1px solid rgba(15, 186, 168, 0.25);
  border-radius: var(--radius);
  box-shadow: 0 10px 22px rgba(15, 186, 168, 0.08);
}

.field-cloud span:nth-child(3n + 2) {
  background: #fff7e7;
  border-color: rgba(243, 162, 27, 0.28);
}

.field-cloud span:nth-child(4n) {
  background: #edf3ff;
  border-color: rgba(45, 108, 223, 0.24);
}

.field-cloud span:nth-child(5n) {
  background: #fff1f0;
  border-color: rgba(230, 95, 79, 0.22);
}

.calculator {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.4)),
    #eef5f4;
}

.calculator.section-band {
  padding-top: 44px;
  padding-bottom: 54px;
}

.calculator-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(340px, 1.1fr) minmax(250px, 0.72fr);
  gap: 24px;
  align-items: stretch;
}

.calc-panel,
.calc-results {
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.calc-panel {
  display: grid;
  gap: 20px;
}

.range-field {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 9px 18px;
  color: #344250;
  font-weight: 760;
}

.range-field output {
  color: var(--teal-dark);
  font-variant-numeric: tabular-nums;
}

.range-field input {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--teal);
}

.calc-results {
  display: grid;
  gap: 14px;
  background: var(--ink);
  color: #fff;
}

.calc-results div {
  padding: 0 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.calc-results div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.calc-results span {
  display: block;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.88rem;
}

.calc-results strong {
  display: block;
  color: #64f4df;
  font-size: 1.85rem;
  line-height: 1.1;
}

.audience {
  background: #fff;
}

.audience-card {
  min-height: 236px;
  padding: 28px;
}

.audience-card {
  border-top: 5px solid var(--blue);
}

.audience-card.accent-green {
  border-top-color: var(--green);
}

.audience-card.accent-amber {
  border-top-color: var(--amber);
}

.security {
  background:
    linear-gradient(90deg, rgba(45, 108, 223, 0.08), rgba(111, 66, 193, 0.06)),
    #f7f8fc;
}

.security.section-band {
  padding-top: 54px;
  padding-bottom: 54px;
}

.security-layout {
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1fr);
  align-items: start;
}

.security-board {
  display: grid;
  gap: 10px;
  padding: 24px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(23, 32, 39, 0.96), rgba(38, 51, 61, 0.96)),
    #172027;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.signal-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  min-height: 54px;
  padding: 12px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
}

.signal-row strong {
  color: #64f4df;
  font-variant-numeric: tabular-nums;
}

.signal-row svg {
  width: 20px;
  height: 20px;
  color: var(--teal);
}

.signal-row.warning {
  background: rgba(243, 162, 27, 0.12);
  border-color: rgba(243, 162, 27, 0.28);
}

.signal-row.warning strong,
.signal-row.warning svg {
  color: #f9c453;
}

.check-list {
  display: grid;
  gap: 13px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: #43515c;
}

.check-list svg {
  flex: 0 0 20px;
  margin-top: 2px;
  color: var(--green);
}

.proof {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(23, 32, 39, 0.96), rgba(19, 73, 72, 0.92)),
    #172027;
}

.proof.section-band {
  padding-top: 54px;
  padding-bottom: 54px;
}

.proof .section-kicker {
  color: #9cf6e9;
}

.proof-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(340px, 1.08fr);
  gap: 48px;
  align-items: start;
}

.proof-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.proof-item {
  min-height: 116px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
}

.proof-item strong {
  display: block;
  margin-bottom: 12px;
  color: #f9c453;
  font-size: 1rem;
}

.proof-item span {
  display: block;
  color: rgba(255, 255, 255, 0.86);
}

.demo {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 0.88fr);
  gap: 56px;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(255, 247, 231, 0.86), rgba(237, 243, 255, 0.84)),
    #fff;
}

.demo.section-band {
  padding-top: 56px;
  padding-bottom: 58px;
}

.demo-copy {
  max-width: 620px;
}

.demo-points {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.demo-points div {
  display: flex;
  gap: 12px;
  align-items: center;
  min-height: 54px;
  padding: 12px 14px;
  color: #354451;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(216, 226, 228, 0.9);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(22, 32, 39, 0.06);
}

.demo-points svg {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  color: var(--teal-dark);
}

.lead-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-trap {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.lead-form label {
  display: grid;
  gap: 7px;
  color: #33404d;
  font-weight: 760;
}

.lead-form input,
.lead-form select,
.chat-composer textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  color: var(--ink);
  background: #f8fafb;
  border: 1px solid #cfdadc;
  border-radius: var(--radius);
}

.lead-form input:hover,
.lead-form select:hover,
.chat-composer textarea:hover {
  border-color: #adbdc1;
}

.form-button {
  width: 100%;
  margin-top: 4px;
  border: 0;
}

.form-button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: #65727f;
  font-size: 0.92rem;
}

.form-note.success {
  color: var(--teal-dark);
  font-weight: 760;
}

.form-note.error {
  color: var(--coral);
  font-weight: 760;
}

.chat-widget {
  position: fixed;
  right: max(18px, calc((100vw - 1180px) / 2));
  bottom: 18px;
  z-index: 60;
  display: grid;
  justify-items: end;
  pointer-events: none;
}

.chat-launcher,
.chat-panel {
  pointer-events: auto;
}

.chat-launcher {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 58px;
  padding: 10px 14px 10px 10px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(23, 32, 39, 0.98), rgba(9, 121, 111, 0.96)),
    var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(22, 32, 39, 0.26);
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.chat-launcher:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px rgba(22, 32, 39, 0.3);
}

.chat-launcher-icon {
  position: relative;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #071114;
  background: linear-gradient(135deg, #64f4df, #f9c453);
  border-radius: var(--radius);
}

.chat-launcher-icon::after {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  content: "";
  background: var(--coral);
  border: 2px solid #172027;
  border-radius: 50%;
}

.chat-launcher svg,
.chat-icon-button svg,
.chat-quick svg,
.chat-send svg {
  width: 19px;
  height: 19px;
  stroke-width: 2.2;
}

.chat-launcher-copy {
  display: grid;
  gap: 1px;
  text-align: left;
}

.chat-launcher-copy strong {
  font-size: 0.96rem;
  line-height: 1.1;
}

.chat-launcher-copy small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  line-height: 1.1;
}

.chat-panel {
  position: absolute;
  right: 0;
  bottom: 74px;
  display: grid;
  width: min(392px, calc(100vw - 32px));
  max-height: min(680px, calc(100vh - 104px));
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(216, 226, 228, 0.98);
  border-radius: var(--radius);
  box-shadow: 0 24px 76px rgba(22, 32, 39, 0.28);
}

.chat-panel[hidden] {
  display: none;
}

.chat-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 14px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(23, 32, 39, 0.98), rgba(8, 121, 111, 0.94)),
    var(--ink);
}

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

.chat-panel-header strong {
  font-size: 1rem;
  line-height: 1.16;
}

.chat-panel-header span {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.82rem;
  line-height: 1.25;
}

.chat-icon-button {
  display: grid;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  place-items: center;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  cursor: pointer;
}

.chat-messages {
  display: grid;
  gap: 10px;
  max-height: 220px;
  padding: 14px 16px;
  overflow-y: auto;
  background: #f6f8f7;
  border-bottom: 1px solid var(--line);
}

.chat-message {
  display: grid;
  max-width: 92%;
  gap: 4px;
  padding: 10px 12px;
  color: #26343f;
  font-size: 0.94rem;
  line-height: 1.42;
  background: #fff;
  border: 1px solid rgba(216, 226, 228, 0.88);
  border-radius: var(--radius);
  box-shadow: 0 8px 18px rgba(22, 32, 39, 0.06);
}

.chat-message.user {
  justify-self: end;
  color: #071114;
  background: #dcfbf6;
  border-color: rgba(15, 186, 168, 0.28);
}

.chat-quick {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 12px 16px 0;
  background: #fff;
}

.chat-quick button {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-height: 42px;
  padding: 9px 10px;
  color: #273742;
  font-weight: 760;
  text-align: left;
  background: #f8fafb;
  border: 1px solid #d6e0e2;
  border-radius: var(--radius);
  cursor: pointer;
}

.chat-quick button:hover {
  border-color: rgba(15, 186, 168, 0.42);
  background: #ecfbf8;
}

.chat-quick svg {
  flex: 0 0 18px;
  color: var(--teal-dark);
}

.chat-composer {
  display: grid;
  grid-template-columns: 1fr 46px;
  gap: 9px;
  padding: 14px 16px 16px;
  background: #fff;
}

.chat-composer textarea {
  min-height: 46px;
  max-height: 118px;
  resize: vertical;
}

.chat-send {
  display: grid;
  width: 46px;
  min-height: 46px;
  place-items: center;
  color: #071114;
  background: linear-gradient(135deg, #64f4df, #f9c453);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(15, 186, 168, 0.2);
}

.chat-send:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.chat-note {
  grid-column: 1 / -1;
  min-height: 20px;
  margin: -2px 0 0;
  color: #64717c;
  font-size: 0.84rem;
  line-height: 1.35;
}

.chat-note.success {
  color: var(--teal-dark);
  font-weight: 760;
}

.chat-note.error {
  color: var(--coral);
  font-weight: 760;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px max(24px, calc((100vw - 1180px) / 2));
  background: #fff;
  border-top: 1px solid var(--line);
}

.footer-brand small {
  max-width: none;
}

.site-footer a {
  color: var(--teal-dark);
  font-weight: 760;
}

@media (max-width: 1120px) {
  .nav-links {
    display: none;
  }

  .workflow-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .calculator-layout {
    grid-template-columns: 1fr 1fr;
  }

  .calculator-copy {
    grid-column: 1 / -1;
  }
}

@media (max-width: 920px) {
  .section-band {
    padding: 48px 22px;
  }

  .hero {
    min-height: 592px;
    background-position: 58% center;
  }

  .proof-strip {
    grid-template-columns: 1fr;
    padding-right: 22px;
    padding-left: 22px;
  }

  .proof-strip-item {
    min-height: 74px;
    padding: 15px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(216, 226, 228, 0.86);
  }

  .proof-strip-item:last-child {
    border-bottom: 0;
  }

  h1 {
    font-size: 3.05rem;
  }

  h2 {
    font-size: 2.18rem;
  }

  .pain-grid,
  .audience-grid,
  .outcome-layout,
  .fields,
  .security-layout,
  .proof-layout,
  .demo {
    grid-template-columns: 1fr;
  }

  .calculator-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 68px;
    padding: 12px 16px;
  }

  .brand {
    min-width: auto;
  }

  .brand small {
    display: none;
  }

  .header-cta {
    min-height: 40px;
    padding: 10px 12px;
    font-size: 0.88rem;
  }

  .header-cta svg {
    width: 17px;
    height: 17px;
  }

  .hero {
    min-height: 552px;
    padding-top: 46px;
    padding-bottom: 38px;
    background:
      linear-gradient(90deg, rgba(8, 13, 17, 0.96) 0%, rgba(8, 13, 17, 0.86) 54%, rgba(8, 13, 17, 0.46) 100%),
      url("assets/hero-psa-1c.png") 48% center / cover no-repeat;
  }

  h1 {
    font-size: 2.36rem;
    line-height: 1.04;
    margin-bottom: 18px;
  }

  h2 {
    font-size: 1.86rem;
  }

  .hero-lead,
  .section-copy,
  .demo-copy p {
    font-size: 1rem;
    line-height: 1.54;
  }

  .hero .eyebrow {
    margin-bottom: 14px;
    align-items: flex-start;
    padding: 9px 12px;
    border-radius: 14px;
  }

  .hero-actions {
    margin: 24px 0 18px;
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .trust-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .trust-row span {
    min-height: 36px;
    padding: 7px 9px;
    font-size: 0.84rem;
  }

  .proof-strip-item {
    min-height: 58px;
    padding: 11px 0;
  }

  .proof-strip-item small {
    display: none;
  }

  .pain.section-band,
  .security.section-band,
  .proof.section-band {
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .fields.section-band,
  .calculator.section-band {
    padding-top: 40px;
    padding-bottom: 42px;
  }

  .demo.section-band {
    padding-top: 46px;
    padding-bottom: 46px;
  }

  .workflow-track {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .step-card,
  .info-card,
  .audience-card {
    min-height: auto;
    padding: 20px;
  }

  .info-card svg,
  .audience-card svg,
  .step-card > svg {
    width: 30px;
    height: 30px;
    margin-bottom: 14px;
  }

  .section-heading {
    margin-bottom: 24px;
  }

  .pain-grid,
  .audience-grid,
  .outcome-list,
  .demo-points,
  .calc-panel,
  .calc-results {
    gap: 12px;
  }

  .outcome-item,
  .calc-panel,
  .calc-results,
  .lead-form {
    padding: 20px;
  }

  .security-board {
    padding: 18px;
  }

  .signal-row {
    min-height: 50px;
    padding: 10px;
  }

  .proof-layout {
    gap: 28px;
  }

  .proof-items {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .proof-item {
    min-height: auto;
    padding: 16px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .chat-widget {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }

  .chat-launcher {
    min-height: 54px;
    padding-right: 12px;
  }

  .chat-panel {
    right: 0;
    bottom: 68px;
    width: 100%;
    max-height: calc(100vh - 92px);
  }

  .chat-messages {
    max-height: 190px;
  }
}

@media (max-width: 440px) {
  .section-band {
    padding-top: 42px;
    padding-bottom: 42px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .proof-strip {
    padding-right: 16px;
    padding-left: 16px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
  }

  .brand strong {
    max-width: 124px;
    font-size: 0.9rem;
  }

  .header-cta span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .header-cta {
    width: 42px;
    padding: 0;
  }

  .hero {
    min-height: 528px;
  }

  h1 {
    font-size: 2.02rem;
  }

  .eyebrow,
  .section-kicker {
    font-size: 0.76rem;
  }

  .hero .eyebrow {
    max-width: 100%;
    font-size: 0.78rem;
  }

  .calc-results strong {
    font-size: 1.56rem;
  }

  .outcome-item {
    grid-template-columns: 42px 1fr;
  }

  .chat-widget {
    right: 10px;
    bottom: 10px;
    left: 10px;
  }

  .chat-launcher {
    width: 100%;
    justify-content: flex-start;
  }

  .chat-panel {
    bottom: 66px;
  }

  .chat-quick {
    grid-template-columns: 1fr;
  }

  .chat-composer {
    grid-template-columns: 1fr 44px;
    padding: 12px;
  }

  .chat-send {
    width: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}