:root {
  --color-bg: #f8fafb;
  --color-surface: #ffffff;
  --color-text: #1a2332;
  --color-text-muted: #5c6b7f;
  --color-primary: #0d6e7a;
  --color-primary-dark: #095660;
  --color-accent: #e8f4f6;
  --color-border: #dde4ea;
  --color-footer: #0f1923;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --shadow-sm: 0 1px 2px rgba(15, 25, 35, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 25, 35, 0.08);
  --radius: 12px;
  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-primary-dark);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  text-decoration: none;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), #148a98);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: none;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-text);
}

.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 4vw, 3.25rem);
}

.hero p.lead {
  margin: 0 0 1.75rem;
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

.hero-card h2 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

.flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.85rem;
  color: var(--color-text-muted);
}

.flow-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-primary);
}

section {
  padding: 3.5rem 0;
}

.section-header {
  max-width: 42rem;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.35rem);
}

.section-header p {
  margin: 0;
  color: var(--color-text-muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

.split-section {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.feature-list strong {
  display: block;
  margin-bottom: 0.25rem;
}

.cta-band {
  background: linear-gradient(135deg, #0d6e7a, #148a98);
  color: #fff;
  border-radius: calc(var(--radius) + 6px);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cta-band h2 {
  margin: 0 0 0.5rem;
  color: #fff;
}

.cta-band p {
  margin: 0;
  opacity: 0.92;
}

.cta-band .btn-primary {
  background: #fff;
  color: var(--color-primary-dark);
}

.cta-band .btn-primary:hover {
  background: var(--color-accent);
}

.page-hero {
  padding: 3rem 0 2rem;
}

.page-hero h1 {
  margin-bottom: 0.75rem;
}

.page-hero p {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 42rem;
}

.prose {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  box-shadow: var(--shadow-sm);
}

.prose h2 {
  margin-top: 2rem;
  font-size: 1.35rem;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 1.5rem;
  font-size: 1.1rem;
}

.prose p,
.prose li {
  color: var(--color-text-muted);
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

.prose th,
.prose td {
  border: 1px solid var(--color-border);
  padding: 0.65rem 0.75rem;
  text-align: left;
}

.prose th {
  background: var(--color-accent);
  color: var(--color-text);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.contact-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.contact-card p,
.contact-card a {
  margin: 0.35rem 0;
}

.contact-card .label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.site-footer {
  margin-top: 4rem;
  background: var(--color-footer);
  color: #c8d3df;
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-grid h3 {
  margin: 0 0 0.75rem;
  color: #fff;
  font-size: 0.95rem;
}

.footer-grid ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-grid li {
  margin-bottom: 0.45rem;
}

.footer-grid a {
  color: #c8d3df;
  text-decoration: none;
}

.footer-grid a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
  color: #93a3b5;
}

.notice {
  background: #fff8e6;
  border: 1px solid #f0dfa0;
  color: #6b5618;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.consent-box {
  background: linear-gradient(135deg, #e8f4f6, #f0fafb);
  border: 2px solid var(--color-primary);
  border-radius: calc(var(--radius) + 2px);
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
}

.consent-box h2 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  color: var(--color-primary-dark);
}

.consent-box p {
  margin: 0 0 0.75rem;
  color: var(--color-text);
  font-size: 1.05rem;
}

.consent-box p:last-child {
  margin-bottom: 0;
}

.consent-box .consent-lead {
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.55;
}

.opt-in-steps {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.opt-in-steps li {
  position: relative;
  counter-increment: step;
  padding: 1rem 1rem 1rem 3.25rem;
  margin-bottom: 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
}

.opt-in-steps li::before {
  content: counter(step);
  position: absolute;
  left: 1rem;
  top: 1rem;
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
}

.opt-in-steps li strong {
  color: var(--color-text);
}

.sms-sample {
  background: var(--color-accent);
  border-left: 4px solid var(--color-primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.6;
}

.sms-sample-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-bottom: 0.65rem;
}

.mockup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0 2rem;
}

.mockup-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.mockup-panel-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 0.65rem 1rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
}

.mockup-panel-body {
  padding: 1.25rem;
}

.phone-mock {
  max-width: 280px;
  margin: 0 auto;
  background: #111;
  border-radius: 28px;
  padding: 12px 10px;
  box-shadow: var(--shadow-md);
}

.phone-screen {
  background: #f2f2f7;
  border-radius: 20px;
  padding: 1rem 0.85rem;
  min-height: 220px;
}

.phone-header {
  text-align: center;
  font-size: 0.72rem;
  color: #666;
  margin-bottom: 0.75rem;
}

.sms-bubble {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 16px 16px 16px 4px;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  line-height: 1.5;
  color: #111;
  margin-bottom: 0.5rem;
}

.sms-bubble-user {
  background: #0d6e7a;
  color: #fff;
  border: none;
  border-radius: 16px 16px 4px 16px;
  margin-left: 2rem;
  text-align: right;
}

.opt-in-form-mock {
  display: grid;
  gap: 0.85rem;
}

.opt-in-form-mock label.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

.opt-in-form-mock input[type="text"],
.opt-in-form-mock input[type="tel"] {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}

.checkbox-consent {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--color-accent);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
}

.checkbox-consent input {
  margin-top: 0.2rem;
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

.checkbox-consent label {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-text);
}

.btn-demo {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: default;
  opacity: 0.85;
}

.disclosure-near-phone {
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  background: var(--color-accent);
  border: 1px solid #b8dde3;
  border-radius: var(--radius);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-text);
}

.disclosure-near-phone strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-primary-dark);
}

.touchpoint-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-weight: 600;
}

@media (max-width: 900px) {
  .mockup-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .card-grid,
  .contact-grid,
  .footer-grid,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 0.85rem;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .prose {
    padding: 1.25rem;
  }
}