:root {
  --sd-accent: #e53935;
  --sd-accent-dark: #9f1f1d;
  --sd-accent-soft: #fff1ef;
  --sd-accent-glow: rgba(229, 57, 53, 0.18);
  --sd-ink: #172033;
  --sd-ink-soft: #41516a;
  --sd-ink-muted: #61728c;
  --sd-bg: #f5f7fb;
  --sd-bg-alt: #fffaf8;
  --sd-card: rgba(255, 255, 255, 0.88);
  --sd-card-solid: #ffffff;
  --sd-card-dark: #1d2435;
  --sd-line: rgba(23, 32, 51, 0.1);
  --sd-line-strong: rgba(23, 32, 51, 0.18);
  --sd-success: #1f8f5f;
  --sd-shadow-lg: 0 34px 90px rgba(18, 28, 45, 0.16);
  --sd-shadow-md: 0 20px 50px rgba(18, 28, 45, 0.12);
  --sd-shadow-sm: 0 14px 28px rgba(18, 28, 45, 0.09);
  --sd-radius-xl: 36px;
  --sd-radius-lg: 28px;
  --sd-radius-md: 20px;
  --sd-radius-sm: 14px;
  --sd-wrap: min(1180px, calc(100% - 32px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(circle at 12% 6%, rgba(229, 57, 53, 0.11), transparent 24%),
    radial-gradient(circle at 88% 8%, rgba(81, 121, 255, 0.08), transparent 20%),
    linear-gradient(180deg, #fffaf8 0%, #f6f8fb 20%, #f4f7fb 100%);
  color: var(--sd-ink);
  font-family: Inter, Arial, sans-serif;
  margin: 0;
  min-width: 320px;
}

body.sd-nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

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

.sd-shell {
  overflow: clip;
}

.sd-wrap {
  margin: 0 auto;
  width: var(--sd-wrap);
}

.sd-section {
  padding: 92px 0;
  position: relative;
}

.sd-section--tint {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.92)),
    linear-gradient(135deg, rgba(255, 241, 239, 0.95), rgba(245, 247, 251, 0.95));
}

.sd-section--soft {
  background:
    radial-gradient(circle at 90% 18%, rgba(229, 57, 53, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(250, 251, 255, 0.96));
}

.sd-section--dark {
  background:
    radial-gradient(circle at 12% 15%, rgba(255, 95, 78, 0.22), transparent 26%),
    radial-gradient(circle at 88% 0%, rgba(103, 130, 255, 0.12), transparent 28%),
    linear-gradient(135deg, #171d2d 0%, #1f2537 54%, #2a1d21 100%);
  color: #f7f8fb;
}

.sd-section-head {
  align-items: end;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  margin-bottom: 34px;
}

.sd-badge,
.sd-pill,
.sd-proof-chip,
.sd-spotlight-chip,
.sd-form-intent {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 12px;
  font-weight: 900;
  gap: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sd-badge {
  background: rgba(229, 57, 53, 0.1);
  border: 1px solid rgba(229, 57, 53, 0.18);
  color: var(--sd-accent-dark);
  padding: 9px 14px;
}

.sd-section--dark .sd-badge {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.sd-pill {
  background: rgba(23, 32, 51, 0.06);
  border: 1px solid rgba(23, 32, 51, 0.08);
  color: var(--sd-ink-soft);
  padding: 7px 12px;
}

.sd-proof-chip {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.68);
  box-shadow: var(--sd-shadow-sm);
  color: var(--sd-ink-soft);
  padding: 10px 14px;
}

.sd-proof-chip::before,
.sd-spotlight-chip::before {
  background: linear-gradient(135deg, var(--sd-accent), #ff7b6b);
  border-radius: 50%;
  content: "";
  height: 8px;
  width: 8px;
}

.sd-spotlight-chip {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.82);
  padding: 8px 12px;
}

h1,
h2,
h3,
h4 {
  font-family: Montserrat, Inter, Arial, sans-serif;
  margin: 0;
}

h1 {
  font-size: clamp(38px, 7vw, 68px);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.94;
}

h2 {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1.02;
}

h3 {
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

h4 {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.18;
}

p {
  margin: 0;
}

.sd-lead,
.sd-section-lead,
.sd-copy,
.sd-compare-list,
.sd-feature-list,
.sd-form-note,
.sd-plan-list {
  color: var(--sd-ink-muted);
  font-size: 16px;
  line-height: 1.72;
}

.sd-section--dark .sd-section-lead,
.sd-section--dark .sd-copy,
.sd-section--dark .sd-plan-list {
  color: rgba(247, 248, 251, 0.8);
}

.sd-btn-row,
.sd-chip-row,
.sd-proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sd-btn {
  align-items: center;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  font-size: 14px;
  font-weight: 900;
  gap: 10px;
  justify-content: center;
  letter-spacing: 0.02em;
  min-height: 50px;
  padding: 0 20px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.sd-btn:hover,
.sd-btn:focus-visible {
  outline: none;
  transform: translateY(-2px);
}

.sd-btn--primary {
  background: linear-gradient(135deg, var(--sd-accent-dark), var(--sd-accent));
  box-shadow: 0 18px 34px rgba(229, 57, 53, 0.25);
  color: #ffffff;
}

.sd-btn--secondary {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(23, 32, 51, 0.08);
  box-shadow: var(--sd-shadow-sm);
  color: var(--sd-ink);
}

.sd-btn--ghost {
  background: transparent;
  border: 1px solid rgba(23, 32, 51, 0.12);
  color: var(--sd-ink);
}

.sd-btn--light {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.sd-btn--block {
  width: 100%;
}

.sd-btn__arrow {
  display: inline-flex;
  font-size: 18px;
  line-height: 1;
}

.sd-link-inline {
  color: var(--sd-accent-dark);
  font-weight: 800;
  text-decoration: none;
}

.sd-link-inline:hover {
  text-decoration: underline;
}

.sd-header {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.62);
  box-shadow: 0 12px 40px rgba(18, 28, 45, 0.08);
  position: sticky;
  top: 0;
  z-index: 60;
}

.sd-nav {
  align-items: center;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  min-height: 78px;
  position: relative;
}

.sd-logo {
  align-items: center;
  display: inline-flex;
  min-width: 146px;
  text-decoration: none;
}

.sd-logo img {
  max-width: 168px;
}

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

.sd-nav-links {
  display: flex;
  gap: 22px;
}

.sd-nav-links a {
  color: var(--sd-ink-soft);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.sd-nav-links a:hover,
.sd-nav-links a:focus-visible {
  color: var(--sd-accent);
  outline: none;
}

.sd-nav-actions {
  display: flex;
  gap: 10px;
}

.sd-nav-toggle {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 16px;
  box-shadow: var(--sd-shadow-sm);
  color: var(--sd-ink);
  display: none;
  padding: 12px;
}

.sd-nav-toggle svg {
  display: block;
}

.sd-hero {
  padding: 34px 0 86px;
  position: relative;
}

.sd-hero::before,
.sd-hero::after {
  content: "";
  pointer-events: none;
  position: absolute;
}

.sd-hero::before {
  background: radial-gradient(circle, rgba(229, 57, 53, 0.18), transparent 72%);
  height: 420px;
  left: -120px;
  top: -100px;
  width: 420px;
}

.sd-hero::after {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0)),
    radial-gradient(circle, rgba(81, 121, 255, 0.16), transparent 72%);
  height: 480px;
  right: -140px;
  top: -60px;
  width: 480px;
}

.sd-hero-grid {
  align-items: center;
  display: grid;
  gap: 38px;
  grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.98fr);
}

.sd-hero-copy {
  position: relative;
  z-index: 1;
}

.sd-kicker {
  color: var(--sd-accent-dark);
  display: inline-block;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.sd-hero-subheadline {
  color: var(--sd-ink-soft);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 600;
  line-height: 1.58;
  margin-top: 22px;
  max-width: 760px;
}

.sd-hero-value {
  color: var(--sd-ink-muted);
  font-size: 17px;
  line-height: 1.76;
  margin-top: 18px;
  max-width: 720px;
}

.sd-btn-row {
  margin-top: 28px;
}

.sd-chip-row {
  margin-top: 22px;
}

.sd-hero-visual {
  position: relative;
}

.sd-orbit {
  animation: sd-float 7s ease-in-out infinite;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.78), transparent 40%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: 38px;
  box-shadow: var(--sd-shadow-lg);
  padding: 18px;
  position: relative;
}

.sd-orbit::before {
  background: radial-gradient(circle, rgba(229, 57, 53, 0.16), transparent 72%);
  border-radius: 50%;
  content: "";
  filter: blur(10px);
  height: 180px;
  position: absolute;
  right: -40px;
  top: -36px;
  width: 180px;
  z-index: 0;
}

.sd-browser {
  background: linear-gradient(180deg, rgba(247, 249, 252, 0.96), rgba(255, 255, 255, 0.96));
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 28px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.sd-browser-bar {
  align-items: center;
  background: rgba(245, 247, 251, 0.94);
  border-bottom: 1px solid rgba(23, 32, 51, 0.06);
  display: flex;
  gap: 10px;
  justify-content: space-between;
  padding: 14px 18px;
}

.sd-browser-dots {
  display: flex;
  gap: 8px;
}

.sd-browser-dots span {
  background: #d9e1ec;
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.sd-browser-label {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 999px;
  color: var(--sd-ink-soft);
  font-size: 12px;
  font-weight: 800;
  padding: 8px 12px;
}

.sd-browser-screen {
  background: linear-gradient(180deg, #f7fafc, #f0f4fb);
  min-height: 360px;
  overflow: hidden;
}

.sd-browser-screen img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.sd-float-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 24px;
  box-shadow: var(--sd-shadow-md);
  padding: 18px;
  position: absolute;
  z-index: 2;
}

.sd-float-card h3 {
  font-size: 18px;
  margin-top: 10px;
}

.sd-float-card p {
  color: var(--sd-ink-muted);
  font-size: 14px;
  line-height: 1.58;
  margin-top: 10px;
}

.sd-float-card--journey {
  left: -34px;
  top: 34px;
  width: min(260px, 54%);
}

.sd-float-card--segments {
  bottom: 24px;
  right: -28px;
  width: min(280px, 58%);
}

.sd-float-card__metric {
  color: var(--sd-accent-dark);
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.06em;
}

.sd-mini-stack {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.sd-mini-stack span {
  align-items: center;
  background: rgba(23, 32, 51, 0.04);
  border: 1px solid rgba(23, 32, 51, 0.06);
  border-radius: 14px;
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  justify-content: space-between;
  padding: 10px 12px;
}

.sd-mini-stack strong {
  color: var(--sd-ink);
  font-size: 12px;
}

.sd-hero-proof {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 20px;
}

.sd-proof-card {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 22px;
  box-shadow: var(--sd-shadow-sm);
  padding: 18px;
}

.sd-proof-card strong {
  display: block;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.05em;
}

.sd-proof-card span {
  color: var(--sd-ink-muted);
  display: block;
  font-size: 13px;
  line-height: 1.55;
  margin-top: 8px;
}

.sd-quote-bar {
  align-items: center;
  background: linear-gradient(135deg, #ffffff, #f8fbff);
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 28px;
  box-shadow: var(--sd-shadow-md);
  display: grid;
  gap: 14px;
  grid-template-columns: auto 1fr;
  margin-top: 30px;
  padding: 22px 24px;
}

.sd-quote-bar__mark {
  align-items: center;
  background: linear-gradient(135deg, var(--sd-accent-dark), var(--sd-accent));
  border-radius: 18px;
  color: #ffffff;
  display: inline-flex;
  font-family: Montserrat, Inter, Arial, sans-serif;
  font-size: 40px;
  font-weight: 900;
  height: 58px;
  justify-content: center;
  width: 58px;
}

.sd-quote-bar p {
  color: var(--sd-ink-soft);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
}

.sd-compare-grid,
.sd-benefit-grid,
.sd-segment-grid,
.sd-plan-grid {
  display: grid;
  gap: 20px;
}

.sd-compare-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sd-panel,
.sd-compare-card,
.sd-benefit-card,
.sd-segment-card,
.sd-plan-card,
.sd-stage-panel,
.sd-stage-tab {
  background: var(--sd-card);
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: var(--sd-radius-lg);
  box-shadow: var(--sd-shadow-md);
  position: relative;
}

.sd-panel {
  padding: 28px;
}

.sd-compare-card {
  overflow: hidden;
  padding: 28px;
}

.sd-compare-card::before {
  content: "";
  inset: 0 auto auto 0;
  position: absolute;
  width: 100%;
}

.sd-compare-card--negative::before {
  border-top: 4px solid rgba(23, 32, 51, 0.18);
}

.sd-compare-card--positive::before {
  border-top: 4px solid var(--sd-accent);
}

.sd-compare-label {
  display: inline-flex;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.sd-compare-label--negative {
  color: var(--sd-ink-soft);
}

.sd-compare-label--positive {
  color: var(--sd-accent-dark);
}

.sd-compare-list,
.sd-feature-list,
.sd-plan-list,
.sd-form-list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.sd-compare-list li,
.sd-feature-list li,
.sd-plan-list li,
.sd-form-list li {
  padding-left: 26px;
  position: relative;
}

.sd-compare-list li::before,
.sd-feature-list li::before,
.sd-plan-list li::before,
.sd-form-list li::before {
  align-items: center;
  border-radius: 50%;
  color: #ffffff;
  content: "";
  display: inline-flex;
  font-size: 11px;
  font-weight: 900;
  height: 16px;
  justify-content: center;
  left: 0;
  position: absolute;
  top: 7px;
  width: 16px;
}

.sd-compare-card--negative .sd-compare-list li::before {
  background: rgba(23, 32, 51, 0.22);
}

.sd-compare-card--positive .sd-compare-list li::before,
.sd-feature-list li::before,
.sd-plan-list li::before,
.sd-form-list li::before {
  background: linear-gradient(135deg, var(--sd-success), #53c792);
}

.sd-spotlight {
  background:
    radial-gradient(circle at 15% 20%, rgba(229, 57, 53, 0.14), transparent 30%),
    linear-gradient(135deg, #ffffff, #fff7f6);
  border: 1px solid rgba(23, 32, 51, 0.06);
  border-radius: var(--sd-radius-lg);
  box-shadow: var(--sd-shadow-md);
  margin-top: 26px;
  padding: 26px;
}

.sd-spotlight h3 {
  margin-top: 14px;
  max-width: 680px;
}

.sd-spotlight p {
  margin-top: 12px;
}

.sd-evolution-shell {
  display: grid;
  gap: 24px;
}

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

.sd-stage-tab {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.84));
  cursor: pointer;
  overflow: hidden;
  padding: 24px;
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.sd-stage-tab:hover,
.sd-stage-tab:focus-visible {
  border-color: rgba(229, 57, 53, 0.2);
  outline: none;
  transform: translateY(-3px);
}

.sd-stage-tab.is-active {
  background:
    linear-gradient(180deg, rgba(255, 241, 239, 0.96), rgba(255, 255, 255, 0.96));
  border-color: rgba(229, 57, 53, 0.2);
  box-shadow: 0 24px 52px rgba(229, 57, 53, 0.12);
}

.sd-stage-tab__level {
  color: var(--sd-accent-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sd-stage-tab h3 {
  font-size: 24px;
  margin-top: 10px;
}

.sd-stage-tab p {
  color: var(--sd-ink-muted);
  font-size: 14px;
  line-height: 1.65;
  margin-top: 12px;
}

.sd-stage-panels {
  position: relative;
}

.sd-stage-panel {
  display: none;
  gap: 24px;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  overflow: hidden;
  padding: 28px;
}

.sd-stage-panel.is-active {
  display: grid;
}

.sd-stage-copy h3 {
  margin-top: 14px;
}

.sd-stage-copy .sd-copy {
  margin-top: 14px;
}

.sd-stage-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

.sd-stage-mini {
  background: rgba(23, 32, 51, 0.04);
  border: 1px solid rgba(23, 32, 51, 0.06);
  border-radius: 18px;
  padding: 16px;
}

.sd-stage-mini strong {
  display: block;
  font-size: 14px;
  font-weight: 900;
}

.sd-stage-mini span {
  color: var(--sd-ink-muted);
  display: block;
  font-size: 13px;
  line-height: 1.55;
  margin-top: 8px;
}

.sd-stage-visual {
  align-self: stretch;
  display: grid;
  gap: 16px;
}

.sd-stage-screen {
  background: linear-gradient(180deg, #f8fafc, #eef3fb);
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 24px;
  box-shadow: var(--sd-shadow-sm);
  min-height: 260px;
  overflow: hidden;
}

.sd-stage-screen img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.sd-stage-note {
  background: linear-gradient(135deg, rgba(255, 241, 239, 0.92), rgba(255, 255, 255, 0.95));
  border: 1px solid rgba(229, 57, 53, 0.12);
  border-radius: 22px;
  padding: 18px;
}

.sd-stage-note strong {
  display: block;
  font-size: 15px;
  font-weight: 900;
}

.sd-stage-note p {
  color: var(--sd-ink-muted);
  font-size: 14px;
  line-height: 1.62;
  margin-top: 8px;
}

.sd-config-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 22px;
}

.sd-config-item {
  background: rgba(23, 32, 51, 0.04);
  border: 1px solid rgba(23, 32, 51, 0.06);
  border-radius: 18px;
  padding: 16px;
}

.sd-config-item strong {
  display: block;
  font-size: 14px;
  font-weight: 900;
}

.sd-config-item span {
  color: var(--sd-ink-muted);
  display: block;
  font-size: 13px;
  line-height: 1.55;
  margin-top: 8px;
}

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

.sd-segment-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
}

.sd-segment-card__icon {
  align-items: center;
  background:
    linear-gradient(135deg, rgba(229, 57, 53, 0.1), rgba(255, 255, 255, 0.96));
  border: 1px solid rgba(229, 57, 53, 0.14);
  border-radius: 18px;
  color: var(--sd-accent-dark);
  display: inline-flex;
  height: 54px;
  justify-content: center;
  width: 54px;
}

.sd-segment-card__icon svg {
  height: 24px;
  stroke: currentColor;
  width: 24px;
}

.sd-segment-card p {
  color: var(--sd-ink-muted);
  font-size: 14px;
  line-height: 1.65;
}

.sd-segment-note {
  align-items: center;
  background: linear-gradient(135deg, #ffffff, #fff7f6);
  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: var(--sd-radius-lg);
  box-shadow: var(--sd-shadow-sm);
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr) auto;
  margin-top: 26px;
  padding: 22px 24px;
}

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

.sd-benefit-card {
  padding: 24px;
}

.sd-benefit-card__eyebrow {
  color: var(--sd-accent-dark);
  display: block;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sd-benefit-card p {
  color: var(--sd-ink-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-top: 12px;
}

.sd-plan-grid {
  align-items: stretch;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sd-plan-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow: hidden;
  padding: 28px;
}

.sd-plan-card:not(.sd-plan-card--dark) {
  color: var(--sd-ink);
}

.sd-plan-card::after {
  background: linear-gradient(180deg, rgba(229, 57, 53, 0.1), transparent 65%);
  content: "";
  height: 180px;
  position: absolute;
  right: -60px;
  top: -60px;
  width: 180px;
}

.sd-plan-card--featured {
  border-color: rgba(229, 57, 53, 0.18);
  box-shadow: 0 28px 70px rgba(229, 57, 53, 0.15);
  transform: translateY(-10px);
}

.sd-plan-card--dark {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 28px 70px rgba(11, 16, 25, 0.26);
}

.sd-plan-tag {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 12px;
  font-weight: 900;
  gap: 8px;
  letter-spacing: 0.1em;
  padding: 8px 12px;
  text-transform: uppercase;
}

.sd-plan-card:not(.sd-plan-card--dark) .sd-plan-tag {
  background: rgba(229, 57, 53, 0.1);
  color: var(--sd-accent-dark);
}

.sd-plan-card--dark .sd-plan-tag {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.sd-plan-price {
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.06em;
}

.sd-plan-price small {
  color: inherit;
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  margin-top: 6px;
  opacity: 0.72;
}

.sd-plan-card:not(.sd-plan-card--dark) .sd-plan-copy {
  color: var(--sd-ink-muted);
}

.sd-plan-card:not(.sd-plan-card--dark) .sd-plan-list {
  color: var(--sd-ink-muted);
}

.sd-plan-card--dark .sd-plan-copy,
.sd-plan-card--dark .sd-plan-list {
  color: rgba(247, 248, 251, 0.82);
}

.sd-plan-card--dark .sd-btn--secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.sd-plans-footnote {
  color: rgba(247, 248, 251, 0.76);
  font-size: 15px;
  line-height: 1.7;
  margin-top: 22px;
  max-width: 840px;
}

.sd-cta-shell {
  align-items: start;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.92fr);
}

.sd-cta-copy {
  padding-right: 12px;
}

.sd-cta-copy h2 {
  margin-top: 16px;
}

.sd-cta-copy p {
  color: rgba(247, 248, 251, 0.8);
  font-size: 18px;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 720px;
}

.sd-cta-copy .sd-btn-row {
  margin-top: 24px;
}

.sd-form-card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 30px;
  box-shadow: 0 34px 80px rgba(12, 17, 27, 0.24);
  color: var(--sd-ink);
  padding: 28px;
}

.sd-form-intent {
  background: rgba(229, 57, 53, 0.1);
  border: 1px solid rgba(229, 57, 53, 0.18);
  color: var(--sd-accent-dark);
  padding: 8px 12px;
}

.sd-form-card h3 {
  margin-top: 14px;
}

.sd-form-note {
  margin-top: 12px;
}

.sd-form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 20px;
}

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

.sd-form-field {
  display: grid;
  gap: 8px;
}

.sd-form-field span {
  color: var(--sd-ink-soft);
  font-size: 13px;
  font-weight: 800;
}

.sd-form-field input,
.sd-form-field select {
  appearance: none;
  background: rgba(245, 247, 251, 0.92);
  border: 1px solid rgba(23, 32, 51, 0.1);
  border-radius: 16px;
  color: var(--sd-ink);
  min-height: 52px;
  padding: 0 15px;
  width: 100%;
}

.sd-form-field input:focus,
.sd-form-field select:focus {
  border-color: rgba(229, 57, 53, 0.28);
  box-shadow: 0 0 0 4px rgba(229, 57, 53, 0.1);
  outline: none;
}

.sd-honeypot {
  left: -9999px;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: auto;
}

.sd-form-message {
  border-radius: 16px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 16px;
  min-height: 24px;
}

.sd-form-message.is-success {
  color: var(--sd-success);
}

.sd-form-message.is-error {
  color: var(--sd-accent-dark);
}

.sd-form-list {
  margin-top: 18px;
}

.sd-footer {
  background: rgba(12, 17, 27, 0.96);
  color: rgba(247, 248, 251, 0.72);
  padding: 30px 0 42px;
}

.sd-footer__grid {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
}

.sd-footer__brand {
  align-items: center;
  display: inline-flex;
  gap: 14px;
}

.sd-footer__brand img {
  max-width: 160px;
}

.sd-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.sd-footer__links a {
  color: rgba(247, 248, 251, 0.74);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.sd-footer__links a:hover {
  color: #ffffff;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes sd-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1120px) {
  .sd-hero-grid,
  .sd-cta-shell {
    grid-template-columns: 1fr;
  }

  .sd-hero-copy {
    max-width: 780px;
  }

  .sd-hero-visual {
    max-width: 780px;
  }

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

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

  .sd-benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .sd-nav-toggle {
    display: inline-flex;
  }

  .sd-nav-panel {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(23, 32, 51, 0.08);
    border-radius: 28px;
    box-shadow: var(--sd-shadow-lg);
    display: none;
    flex-direction: column;
    left: 0;
    padding: 18px;
    position: absolute;
    right: 0;
    top: calc(100% + 12px);
  }

  .sd-nav-panel.is-open {
    display: flex;
  }

  .sd-nav-links,
  .sd-nav-actions {
    display: grid;
    gap: 12px;
    width: 100%;
  }

  .sd-nav-links a,
  .sd-nav-actions .sd-btn {
    justify-content: center;
    text-align: center;
    width: 100%;
  }

  .sd-section-head,
  .sd-compare-grid,
  .sd-stage-tabs,
  .sd-segment-grid,
  .sd-plan-grid,
  .sd-benefit-grid,
  .sd-config-grid {
    grid-template-columns: 1fr;
  }

  .sd-hero-proof {
    grid-template-columns: 1fr;
  }

  .sd-plan-card--featured {
    transform: none;
  }

  .sd-compare-card,
  .sd-panel,
  .sd-plan-card,
  .sd-stage-panel {
    padding: 24px;
  }

  .sd-stage-grid,
  .sd-form-grid {
    grid-template-columns: 1fr;
  }

  .sd-segment-note {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .sd-hero {
    padding-bottom: 70px;
  }

  .sd-hero-grid {
    gap: 26px;
    grid-template-columns: 1fr;
  }

  .sd-float-card {
    position: static;
    width: 100%;
  }

  .sd-orbit {
    display: grid;
    gap: 16px;
  }

  .sd-browser-screen {
    min-height: 300px;
  }
}

@media (max-width: 680px) {
  .sd-section {
    padding: 72px 0;
  }

  .sd-nav {
    min-height: 72px;
  }

  .sd-logo img {
    max-width: 148px;
  }

  .sd-btn-row,
  .sd-chip-row,
  .sd-proof-row,
  .sd-footer__grid,
  .sd-footer__links {
    flex-direction: column;
    align-items: stretch;
  }

  .sd-btn {
    width: 100%;
  }

  .sd-quote-bar {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .sd-quote-bar__mark {
    margin: 0 auto;
  }

  .sd-form-card,
  .sd-compare-card,
  .sd-stage-tab,
  .sd-stage-panel,
  .sd-plan-card,
  .sd-segment-card {
    border-radius: 24px;
    padding: 22px;
  }

  .sd-browser-screen {
    min-height: 220px;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}