:root {
  --bg: #f4f7fb;
  --bg-strong: #e6edf7;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --ink: #0f172a;
  --ink-soft: #516074;
  --line: rgba(15, 23, 42, 0.1);
  --accent: #6847ee;
  --accent-deep: #5134c9;
  --accent-soft: #e2ddff;
  --success: #0f766e;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(104, 71, 238, 0.1), transparent 30%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.12), transparent 26%),
    linear-gradient(180deg, #f8fbff 0%, #f4f7fb 40%, #eef3f9 100%);
}

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

:focus-visible {
  outline: 3px solid rgba(199, 101, 60, 0.45);
  outline-offset: 3px;
}

p {
  margin: 0;
}

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

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 20px 0 48px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 100;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(199, 101, 60, 0.28);
  transition: top 180ms ease;
}

.skip-link:focus {
  top: 16px;
}

.site-header,
.hero-panel,
.proof-grid article,
.feature-card,
.security-panel,
.security-note,
.migration-steps article,
.price-card,
.faq-list details,
.cta-section,
.site-footer {
  backdrop-filter: blur(18px);
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.72);
  font: inherit;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: rgba(104, 71, 238, 0.32);
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid rgba(104, 71, 238, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.14);
  color: var(--accent-deep);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.back-to-top:hover {
  border-color: rgba(104, 71, 238, 0.32);
  transform: translateY(-1px);
}

.back-to-top:focus-visible {
  outline-color: rgba(104, 71, 238, 0.42);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-lockup,
.header-actions,
.hero-actions,
.hero-panel-top,
.hero-panel-bottom,
.cta-actions,
.footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--accent), #9e8af7);
  color: #fff;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
}

.brand-name,
.section-heading h2,
.hero-copy h1,
.feature-card h3,
.security-note h3,
.cta-section h2,
.faq-list summary,
.plan-price {
  font-family: "Manrope", sans-serif;
}

.brand-name {
  font-size: 0.98rem;
  font-weight: 800;
}

.brand-tag,
.footer-copy,
.metric-label,
.plan-meta,
.plan-badge,
.status-note,
.feature-kicker,
.eyebrow {
  color: var(--ink-soft);
}

.brand-tag,
.site-nav a,
.text-link,
.hero-text,
.proof-grid p,
.feature-card p,
.security-note p,
.security-panel li,
.migration-steps p,
.price-card li,
.faq-list p,
.cta-section p,
.footer-copy,
.footer-links a {
  font-size: 0.98rem;
  line-height: 1.7;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav a,
.text-link,
.footer-links a {
  transition: color 180ms ease, opacity 180ms ease;
}

.site-nav a:hover,
.text-link:hover,
.footer-links a:hover {
  color: var(--accent-deep);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
  cursor: pointer;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(104, 71, 238, 0.22);
}

.button-primary:hover {
  background: var(--accent-deep);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(15, 23, 42, 0.12);
}

.button-secondary:hover {
  border-color: rgba(15, 23, 42, 0.2);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
}

.hero-section,
.security-layout,
.cta-section,
.site-footer {
  display: grid;
  gap: 28px;
}

.hero-section {
  grid-template-columns: 1.12fr 0.88fr;
  align-items: center;
  min-height: calc(100vh - 96px);
  padding: 72px 0 52px;
}

.hero-copy h1 {
  max-width: 10ch;
  margin: 12px 0 18px;
  font-size: clamp(3rem, 6vw, 5.9rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.hero-text {
  max-width: 56ch;
  color: var(--ink-soft);
}

.eyebrow,
.feature-kicker,
.plan-badge,
.status-pill,
.metric-label {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.status-pill {
  color: var(--success);
}

.hero-actions {
  margin-top: 28px;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.trust-strip li {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  font-size: 0.9rem;
}

.hero-panel,
.proof-grid article,
.feature-card,
.security-panel,
.security-note,
.migration-steps article,
.price-card,
.faq-list details,
.cta-section,
.site-footer {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 28px;
  border-radius: var(--radius-xl);
}

.overview-grid,
.proof-grid,
.preview-grid,
.feature-showcase,
.pricing-grid,
.migration-steps,
.entry-grid,
.protocol-grid {
  display: grid;
  gap: 22px;
}

.overview-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 28px 0;
}

.overview-grid article,
.hero-panel-bottom > div {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.overview-grid h2,
.metric-value,
.feature-card h3,
.proof-grid h3,
.migration-steps h3,
.plan-name,
.faq-list summary,
.cta-section h2,
.section-heading h2 {
  margin: 0 0 10px;
}

.metric-value,
.plan-price {
  font-size: 1.5rem;
  font-weight: 800;
}

section {
  padding: 68px 0;
}

.section-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}

.section-heading.narrow {
  max-width: 760px;
}

.section-heading h2 {
  font-size: clamp(2rem, 3vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 14ch;
}

.section-heading p:last-child {
  max-width: 48ch;
  color: var(--ink-soft);
}

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

.preview-grid {
  grid-template-columns: 1.15fr 0.85fr;
  align-items: stretch;
}

.preview-stack {
  display: grid;
  gap: 22px;
}

.preview-panel {
  padding: 22px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.preview-panel h3,
.preview-label,
.preview-sidebar span,
.message-list strong {
  font-family: "Manrope", sans-serif;
}

.preview-topbar {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(19, 33, 43, 0.2);
}

.preview-body {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
}

.preview-sidebar {
  display: grid;
  gap: 10px;
  align-content: start;
}

.preview-sidebar span,
.preview-label {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.preview-content h3,
.preview-panel-calendar h3,
.preview-panel-security h3 {
  margin: 8px 0 14px;
}

.message-list {
  display: grid;
  gap: 10px;
}

.message-list li,
.calendar-grid span,
.security-badges span {
  display: block;
}

.message-list li {
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.message-list strong {
  display: block;
  margin-bottom: 4px;
}

.message-list span,
.calendar-grid,
.security-badges {
  color: var(--ink-soft);
}

.calendar-grid {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 10px 14px;
}

.calendar-grid span {
  padding: 10px 0;
  border-bottom: 1px solid rgba(19, 33, 43, 0.08);
}

.security-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.security-badges span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.1);
  color: var(--success);
  border: 1px solid rgba(15, 118, 110, 0.14);
}

.proof-grid article,
.price-card,
.migration-steps article,
.faq-list details {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.feature-showcase {
  grid-template-columns: 1.1fr 1fr 1fr;
}

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

.entry-card,
.protocol-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.entry-card h3,
.protocol-card h3,
.entry-label {
  font-family: "Manrope", sans-serif;
}

.entry-card h3,
.protocol-card h3 {
  margin: 0 0 10px;
}

.entry-card p,
.protocol-card p {
  color: var(--ink-soft);
  line-height: 1.7;
}

.entry-card .button {
  margin-top: 18px;
}

.entry-card-primary {
  background: linear-gradient(180deg, rgba(244, 249, 255, 0.96), rgba(255, 255, 255, 0.86));
  border-color: rgba(104, 71, 238, 0.16);
}

.entry-label {
  margin-bottom: 10px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 700;
}

.protocol-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.feature-card-large {
  grid-row: span 2;
  min-height: 320px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(240, 246, 255, 0.9)),
    radial-gradient(circle at top right, rgba(104, 71, 238, 0.1), transparent 24%);
}

.security-layout {
  grid-template-columns: 1.2fr 0.8fr;
}

.security-panel,
.security-note,
.cta-section,
.site-footer {
  padding: 32px;
  border-radius: var(--radius-xl);
}

.security-panel ul {
  display: grid;
  gap: 14px;
}

.security-panel li {
  position: relative;
  padding-left: 20px;
}

.security-panel li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--success);
}

.migration-steps {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.migration-steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: var(--accent-soft);
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  color: var(--accent-deep);
}

.price-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.price-card-featured {
  background: linear-gradient(180deg, rgba(244, 249, 255, 0.96), rgba(255, 255, 255, 0.86));
  border-color: rgba(104, 71, 238, 0.16);
}

.price-card ul {
  display: grid;
  gap: 10px;
  padding-top: 6px;
}

.price-card li {
  padding-left: 18px;
  position: relative;
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details[open] {
  background: var(--surface-strong);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  padding-top: 10px;
  color: var(--ink-soft);
}

.cta-section {
  grid-template-columns: 1fr auto;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.98), rgba(30, 41, 59, 0.95)),
    radial-gradient(circle at top right, rgba(104, 71, 238, 0.14), transparent 24%);
  color: #fff;
}

.cta-section .eyebrow,
.cta-section p {
  color: rgba(255, 255, 255, 0.76);
}

.site-footer {
  grid-template-columns: 1fr auto;
  align-items: center;
  margin-top: 28px;
}

.utility-shell {
  min-height: 100vh;
}

.utility-main {
  padding-top: 28px;
}

.utility-hero {
  max-width: 760px;
  padding: 48px 0 28px;
}

.utility-hero h1 {
  margin: 10px 0 16px;
  font-family: "Manrope", sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.utility-hero p:last-child,
.utility-content p,
.utility-content li,
.utility-card p {
  color: var(--ink-soft);
  line-height: 1.8;
}

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

.checkout-layout,
.checkout-results {
  display: grid;
  gap: 18px;
  padding-bottom: 18px;
}

.checkout-layout {
  grid-template-columns: 0.9fr 1.1fr;
}

.checkout-header h2,
.product-option-name,
.invoice-summary-grid strong {
  font-family: "Manrope", sans-serif;
}

.product-picker {
  display: grid;
  gap: 14px;
}

.product-option {
  width: 100%;
  display: grid;
  gap: 6px;
  text-align: left;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(19, 33, 43, 0.14);
  background: rgba(255, 255, 255, 0.62);
  cursor: pointer;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.product-option:hover {
  transform: translateY(-1px);
  border-color: rgba(199, 101, 60, 0.4);
  box-shadow: 0 10px 24px rgba(19, 33, 43, 0.08);
}

.product-option-active {
  border-color: rgba(199, 101, 60, 0.45);
  background: rgba(255, 248, 242, 0.9);
}

.product-option-price,
.product-option-meta,
.invoice-summary-grid span,
.invoice-links,
.invoice-qr,
.checkout-form-card .form-note {
  color: var(--ink-soft);
}

.quote-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(19, 33, 43, 0.08);
}

.quote-total strong {
  font-family: "Manrope", sans-serif;
  font-size: 1.2rem;
}

.product-option-price {
  font-weight: 700;
}

.invoice-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.invoice-summary-grid div {
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(19, 33, 43, 0.08);
}

.invoice-summary-grid span,
.invoice-summary-grid strong {
  display: block;
}

.invoice-summary-grid span {
  font-size: 0.84rem;
  margin-bottom: 6px;
}

.invoice-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.invoice-qr {
  margin-top: 18px;
}

.invoice-qr img {
  max-width: 240px;
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(19, 33, 43, 0.08);
  background: #fff;
  padding: 8px;
}

.invoice-qr pre {
  white-space: pre-wrap;
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
}

.utility-form-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
  padding-bottom: 18px;
}

.utility-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.utility-card h2,
.utility-content h2 {
  margin: 0 0 12px;
  font-family: "Manrope", sans-serif;
  font-size: 1.4rem;
}

.utility-content {
  display: grid;
  gap: 14px;
}

.utility-content ul {
  display: grid;
  gap: 10px;
  list-style: disc;
  padding-left: 20px;
}

.utility-content a,
.utility-card a {
  color: var(--accent-deep);
}

.utility-date {
  font-size: 0.92rem;
}

.utility-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.utility-form-copy h2,
.quote-form h2,
.quote-form label span {
  font-family: "Manrope", sans-serif;
}

.utility-checklist {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.utility-checklist li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
}

.utility-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
}

.quote-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.quote-form label {
  display: grid;
  gap: 8px;
}

.quote-form label span {
  font-size: 0.92rem;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  border: 1px solid rgba(19, 33, 43, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  padding: 14px 16px;
  font: inherit;
  color: var(--ink);
}

.quote-form select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 44px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%),
    linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position:
    calc(100% - 22px) calc(50% - 2px),
    calc(100% - 16px) calc(50% - 2px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.quote-form textarea {
  resize: vertical;
  min-height: 140px;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  outline: 2px solid rgba(104, 71, 238, 0.18);
  border-color: rgba(104, 71, 238, 0.38);
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.form-note {
  color: var(--ink-soft);
  line-height: 1.7;
}

@media (max-width: 1080px) {
  .site-header,
  .section-heading,
  .cta-section,
  .site-footer,
  .hero-section,
  .security-layout {
    grid-template-columns: 1fr;
  }

  .site-header {
    border-radius: 28px;
  }

  .header-nav {
    gap: 12px;
  }

  .hero-section {
    min-height: auto;
    padding-top: 48px;
  }

  .proof-grid,
  .preview-grid,
  .feature-showcase,
  .pricing-grid,
  .migration-steps,
  .utility-grid,
  .utility-form-section,
  .checkout-layout,
  .protocol-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-card-large {
    grid-row: span 1;
    grid-column: span 2;
  }

  .cta-actions,
  .footer-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 16px), var(--max-width));
    padding-top: 8px;
  }

  .site-header {
    position: sticky;
    top: 8px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 12px;
    border-radius: 22px;
    padding: 14px 14px 14px 16px;
  }

  .brand-lockup {
    align-items: flex-start;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 13px;
  }

  .site-nav {
    gap: 8px;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .header-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.12);
  }

  .site-header.nav-open .header-nav {
    display: flex;
  }

  .site-nav,
  .header-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav a,
  .header-actions .button,
  .header-actions .text-link {
    width: 100%;
    justify-content: center;
  }

  .hero-actions,
  .hero-panel-top,
  .hero-panel-bottom,
  .cta-actions,
  .footer-links {
    flex-direction: column;
    align-items: stretch;
  }

  .proof-grid,
  .preview-grid,
  .feature-showcase,
  .pricing-grid,
  .migration-steps,
  .overview-grid,
  .utility-grid,
  .utility-form-section,
  .checkout-layout,
  .entry-grid,
  .protocol-grid {
    grid-template-columns: 1fr;
  }

  .form-grid,
  .preview-body,
  .calendar-grid,
  .invoice-summary-grid {
    grid-template-columns: 1fr;
  }

  .feature-card-large {
    grid-column: span 1;
  }

  .hero-copy h1 {
    max-width: 100%;
    font-size: clamp(2.4rem, 14vw, 3.8rem);
    line-height: 0.92;
  }

  .hero-text {
    max-width: 100%;
  }

  .trust-strip {
    margin-top: 24px;
  }

  .trust-strip li {
    padding: 8px 12px;
    font-size: 0.84rem;
  }

  section {
    padding: 44px 0;
  }

  .hero-panel,
  .security-panel,
  .security-note,
  .cta-section,
  .site-footer {
    padding: 20px;
  }

  .hero-panel {
    padding: 22px;
  }

  .preview-panel,
  .entry-card,
  .protocol-card,
  .feature-card,
  .proof-grid article,
  .price-card,
  .migration-steps article,
  .faq-list details,
  .utility-card {
    padding: 20px;
  }

  .utility-main {
    padding-top: 20px;
  }

  .utility-hero {
    padding: 32px 0 20px;
  }

  .utility-hero h1 {
    font-size: clamp(2.1rem, 10vw, 3rem);
    line-height: 1;
  }

  .utility-grid,
  .utility-form-section,
  .checkout-layout,
  .checkout-results {
    gap: 14px;
  }

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

  .checkout-products {
    order: 2;
  }

  .checkout-form-card {
    order: 1;
  }

  .product-option {
    padding: 16px;
  }

  .quote-form input,
  .quote-form select,
  .quote-form textarea {
    font-size: 16px;
    padding: 13px 14px;
  }

  .quote-form select {
    padding-right: 40px;
  }

  .quote-total {
    padding: 14px 16px;
  }

  .quote-total strong {
    font-size: 1.05rem;
  }

  .invoice-summary-grid {
    gap: 10px;
  }

  .invoice-summary-grid div {
    padding: 12px;
  }

  .invoice-qr img {
    max-width: 180px;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .button,
  .invoice-links .button {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .back-to-top {
    right: 14px;
    bottom: 84px;
    min-width: 58px;
    min-height: 42px;
    padding: 0 14px;
  }
}