/* variables */
:root {
  --color-bg: #07111f;
  --color-bg-deep: #030712;
  --color-surface: #0c1728;
  --color-surface-soft: #111f35;
  --color-surface-raised: #16243a;
  --color-card-light: #ffffff;
  --color-text: #f8fafc;
  --color-text-strong: #ffffff;
  --color-muted: #a8b3c7;
  --color-muted-dark: #516076;
  --color-body-light: #334155;
  --color-border: rgba(148, 163, 184, 0.22);
  --color-border-strong: rgba(226, 232, 240, 0.34);
  --color-brand: #e23535;
  --color-brand-strong: #ff4b4b;
  --color-brand-soft: rgba(226, 53, 53, 0.16);
  --color-cyan: #38d5ff;
  --color-cyan-soft: rgba(56, 213, 255, 0.14);
  --color-success: #35d399;
  --color-warning: #f8c04f;
  --color-info: #65b7ff;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-nav: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container-width: 1180px;
  --space-page: clamp(1rem, 4vw, 2rem);
  --section-space: clamp(4.5rem, 9vw, 7.5rem);
  --radius-sm: 6px;
  --radius-md: 8px;
  --shadow-soft: 0 18px 55px rgba(0, 0, 0, 0.24);
  --shadow-card: 0 20px 60px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 0 1px rgba(226, 53, 53, 0.08), 0 24px 80px rgba(226, 53, 53, 0.12);
  --transition: 180ms ease;
}

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

html {
  min-height: 100%;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  scroll-padding-top: 6rem;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(226, 53, 53, 0.12), transparent 28rem),
    linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 28rem, #f6f8fb 28rem, #eef3f8 100%);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

svg {
  fill: currentColor;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

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

button {
  cursor: pointer;
}

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

h1,
h2,
h3 {
  color: var(--color-text-strong);
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: normal;
  word-break: normal;
}

h1 {
  max-width: 840px;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 6.6vw, 5.8rem);
  font-weight: 780;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  font-weight: 760;
}

h3 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.08rem, 1.7vw, 1.35rem);
  font-weight: 720;
}

p {
  margin-bottom: 0;
  overflow-wrap: break-word;
}

ul,
ol {
  margin: 0;
}

/* layout */
.container {
  width: min(100% - (var(--space-page) * 2), var(--container-width));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: var(--section-space);
  color: var(--color-body-light);
  background: #f6f8fb;
}

.section:nth-of-type(2n + 3) {
  background:
    radial-gradient(circle at 12% 5%, rgba(56, 213, 255, 0.08), transparent 24rem),
    #ffffff;
}

.section-intro {
  max-width: 780px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  min-width: 0;
}

.section-intro h2,
.final-cta h2 {
  color: #0b1220;
}

.section-intro p:not(.eyebrow),
.final-cta p:not(.eyebrow) {
  color: var(--color-body-light);
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
}

.card-grid,
.domain-grid,
.offer-grid,
.feature-grid,
.audience-grid {
  display: grid;
  gap: 1rem;
}

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

.problem-grid {
  align-items: stretch;
}

.domain-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

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

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

.starter-layout,
.roadmap-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: center;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(226, 232, 240, 0.12);
  background: rgba(3, 7, 18, 0.74);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.site-header.is-scrolled {
  border-color: rgba(226, 232, 240, 0.18);
  background: rgba(3, 7, 18, 0.9);
  box-shadow: 0 12px 38px rgba(0, 0, 0, 0.2);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100% - (var(--space-page) * 2), var(--container-width));
  min-height: 72px;
  margin-inline: auto;
  padding-block: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  color: var(--color-text);
  text-decoration: none;
}

.brand-logo {
  width: clamp(112px, 10vw, 132px);
  height: auto;
  object-fit: contain;
}

.site-header .brand-logo {
  width: clamp(150px, 12vw, 172px);
}

.nav-panel {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
  min-width: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.65rem, 1.5vw, 1.25rem);
  padding: 0;
  list-style: none;
}

.nav-links a,
.footer-nav a {
  color: rgba(226, 232, 240, 0.78);
  font-family: var(--font-nav);
  font-size: 0.88rem;
  font-weight: 560;
  letter-spacing: 0.01em;
  line-height: 1.2;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

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

.nav-links a.is-active {
  color: var(--color-text-strong);
  font-weight: 650;
}

.nav-links a.is-active::after {
  display: block;
  width: 100%;
  height: 2px;
  margin-top: 0.28rem;
  background: linear-gradient(90deg, var(--color-brand), var(--color-cyan));
  border-radius: 999px;
  content: "";
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  padding: 0.65rem 0.85rem;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  position: absolute;
  left: 0;
  content: "";
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle-label {
  font-size: 0.9rem;
  font-weight: 650;
}

.nav-cta {
  min-height: 44px;
  padding-inline: 1rem;
  font-size: 0.9rem;
  font-weight: 720;
}

/* hero */
.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100vh - 76px);
  padding-block: clamp(5rem, 9vw, 8rem);
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 16%, rgba(56, 213, 255, 0.16), transparent 24rem),
    radial-gradient(circle at 10% 22%, rgba(226, 53, 53, 0.22), transparent 27rem),
    linear-gradient(135deg, #030712 0%, #07111f 46%, #0d1b2e 100%);
}

.hero::before,
.hero::after {
  position: absolute;
  inset: auto;
  z-index: -1;
  pointer-events: none;
  content: "";
}

.hero::before {
  top: 8rem;
  right: -9rem;
  width: 34rem;
  height: 34rem;
  background: radial-gradient(circle, rgba(56, 213, 255, 0.12), transparent 68%);
  filter: blur(4px);
  animation: heroGlow 10s ease-in-out infinite alternate;
}

.hero::after {
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 78%);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.hero-content {
  min-width: 0;
  animation: fadeUp 520ms ease both;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.1rem;
  padding: 0.4rem 0.72rem;
  color: #ffd9d9;
  background: linear-gradient(135deg, rgba(226, 53, 53, 0.2), rgba(56, 213, 255, 0.1));
  border: 1px solid rgba(226, 232, 240, 0.18);
  border-radius: var(--radius-md);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section .eyebrow,
.final-cta .eyebrow {
  color: var(--color-brand);
  background: rgba(226, 53, 53, 0.08);
  border-color: rgba(226, 53, 53, 0.16);
}

.hero-copy {
  max-width: 710px;
  color: rgba(226, 232, 240, 0.82);
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  line-height: 1.72;
}

.hero-note {
  max-width: 620px;
  margin-top: 1rem;
  color: rgba(203, 213, 225, 0.62);
  font-size: 0.94rem;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

/* mockup dashboard */
.dashboard-mockup {
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--color-text);
  background:
    linear-gradient(145deg, rgba(15, 28, 47, 0.94), rgba(5, 12, 24, 0.94)),
    radial-gradient(circle at top right, rgba(56, 213, 255, 0.2), transparent 18rem);
  border: 1px solid rgba(226, 232, 240, 0.16);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
  transform: perspective(1100px) rotateY(-4deg) rotateX(2deg);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  animation: fadeUp 640ms ease 120ms both;
}

.dashboard-mockup::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 75%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 75%);
}

.dashboard-mockup:hover {
  border-color: rgba(56, 213, 255, 0.28);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.34), 0 0 0 1px rgba(56, 213, 255, 0.08);
  transform: perspective(1100px) rotateY(-2deg) rotateX(1deg) translateY(-3px);
}

.mockup-header,
.maturity-card,
.mockup-section {
  position: relative;
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.mockup-label,
.mockup-period,
.maturity-label,
.maturity-status {
  color: rgba(203, 213, 225, 0.72);
  font-size: 0.82rem;
}

.mockup-label {
  color: var(--color-text-strong);
  font-weight: 800;
}

.maturity-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.3rem 1rem;
  align-items: end;
  margin-bottom: 1rem;
  padding: 1.1rem;
  background: linear-gradient(135deg, rgba(226, 53, 53, 0.16), rgba(56, 213, 255, 0.1));
  border: 1px solid rgba(226, 232, 240, 0.16);
  border-radius: var(--radius-md);
}

.maturity-card::after {
  grid-column: 1 / -1;
  height: 8px;
  margin-top: 0.55rem;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  content: "";
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.maturity-score {
  color: var(--color-text-strong);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 0.9;
}

.maturity-status {
  justify-self: start;
  padding: 0.24rem 0.48rem;
  color: #dcfff0;
  background: rgba(53, 211, 153, 0.12);
  border: 1px solid rgba(53, 211, 153, 0.24);
  border-radius: var(--radius-sm);
}

.mockup-section {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(226, 232, 240, 0.12);
  border-radius: var(--radius-md);
}

.mockup-section + .mockup-section {
  margin-top: 0.85rem;
}

.mockup-title {
  margin-bottom: 0.85rem;
  color: rgba(248, 250, 252, 0.92);
  font-size: 0.92rem;
}

.domain-list,
.control-list {
  display: grid;
  gap: 0.65rem;
  padding: 0;
  list-style: none;
}

.domain-list li,
.control-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  min-width: 0;
  color: rgba(226, 232, 240, 0.84);
  font-size: 0.88rem;
}

.domain-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 4ch 78px;
  column-gap: 0.8rem;
}

.domain-list li::after {
  width: 78px;
  height: 6px;
  background:
    linear-gradient(90deg, var(--color-brand), var(--color-cyan)) left / var(--progress, 70%) 100% no-repeat,
    rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  content: "";
  opacity: 0.72;
  transform: scaleX(0.4);
  transform-origin: left;
  transition: transform 650ms ease, opacity 650ms ease;
}

.domain-list.is-visible li::after,
.dashboard-mockup.is-visible .domain-list li::after,
.mockup-section.is-visible .domain-list li::after {
  opacity: 1;
  transform: scaleX(1);
}

.domain-list strong {
  min-width: 3ch;
  color: var(--color-text);
  font-size: 0.86rem;
  justify-self: end;
  text-align: right;
}

.domain-list span {
  min-width: 0;
}

.status {
  flex: 0 0 auto;
  padding: 0.22rem 0.46rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 800;
}

.status-priority {
  color: #ffcaca;
  background: rgba(226, 53, 53, 0.12);
}

.status-progress {
  color: #b8efff;
  background: rgba(56, 213, 255, 0.1);
}

.status-review {
  color: #ffe5a3;
  background: rgba(248, 192, 79, 0.12);
}

/* buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.78rem 1.05rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-brand), var(--color-brand-strong));
  box-shadow: 0 14px 34px rgba(226, 53, 53, 0.28);
}

.button-primary:hover {
  box-shadow: 0 18px 48px rgba(226, 53, 53, 0.36);
}

.button-secondary {
  color: var(--color-text-strong);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(226, 232, 240, 0.22);
}

.section .button-secondary,
.offer-card .button-secondary {
  color: #0b1220;
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.14);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.button-secondary:hover {
  border-color: rgba(226, 53, 53, 0.42);
}

/* sections */
.problem-section {
  padding-top: clamp(4.5rem, 8vw, 6.5rem);
}

.framework-section {
  background:
    radial-gradient(circle at 85% 12%, rgba(226, 53, 53, 0.08), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
}

.starter-section {
  color: var(--color-text);
  background:
    radial-gradient(circle at 18% 8%, rgba(226, 53, 53, 0.18), transparent 24rem),
    radial-gradient(circle at 90% 45%, rgba(56, 213, 255, 0.12), transparent 22rem),
    linear-gradient(135deg, #08111f 0%, #0f1b2d 100%);
}

.starter-section .section-intro h2,
.starter-section .section-intro p:not(.eyebrow) {
  color: var(--color-text);
}

.starter-section .section-intro p:not(.eyebrow) {
  color: rgba(226, 232, 240, 0.78);
}

.notice {
  margin-top: 1.2rem;
  padding: 1rem;
  color: #ffe6e6;
  background: rgba(226, 53, 53, 0.1);
  border: 1px solid rgba(226, 53, 53, 0.26);
  border-radius: var(--radius-md);
}

.offers-section {
  background:
    radial-gradient(circle at 50% 0%, rgba(56, 213, 255, 0.08), transparent 28rem),
    #f6f8fb;
}

.features-section,
.audiences-section {
  background: #ffffff;
}

.roadmap-section {
  background:
    radial-gradient(circle at 0% 30%, rgba(226, 53, 53, 0.08), transparent 24rem),
    #f7fafc;
}

.final-cta-section {
  padding-block: clamp(4rem, 8vw, 6.5rem);
  background:
    radial-gradient(circle at 78% 14%, rgba(226, 53, 53, 0.2), transparent 25rem),
    radial-gradient(circle at 18% 85%, rgba(56, 213, 255, 0.1), transparent 24rem),
    linear-gradient(135deg, #030712 0%, #07111f 54%, #0d1829 100%);
}

/* cards */
.info-card,
.domain-card,
.offer-card,
.feature-card,
.audience-card,
.roadmap-steps li {
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: clamp(1.1rem, 2vw, 1.35rem);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.info-card::before,
.feature-card::before,
.audience-card::before {
  display: block;
  width: 2.5rem;
  height: 0.22rem;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--color-brand), var(--color-cyan));
  border-radius: 999px;
  content: "";
}

.info-card:hover,
.domain-card:hover,
.offer-card:hover,
.feature-card:hover,
.audience-card:hover,
.roadmap-steps li:hover {
  border-color: rgba(226, 53, 53, 0.28);
  box-shadow: 0 22px 60px rgba(15, 23, 42, 0.16);
  transform: translateY(-4px);
}

.info-card h3,
.domain-card h3,
.offer-card h3,
.feature-card h3,
.audience-card h3,
.roadmap-steps h3 {
  color: #0b1220;
}

.info-card p,
.domain-card p,
.offer-card p,
.feature-card p,
.audience-card p,
.roadmap-steps p {
  color: var(--color-body-light);
}

.domain-card {
  min-height: 100%;
}

.domain-icon {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 1rem;
  color: var(--color-brand);
  background: linear-gradient(135deg, rgba(226, 53, 53, 0.1), rgba(56, 213, 255, 0.08));
  border: 1px solid rgba(226, 53, 53, 0.18);
  border-radius: var(--radius-md);
  place-items: center;
}

.domain-icon svg {
  width: 23px;
  height: 23px;
}

.benefit-list {
  display: grid;
  gap: 0.8rem;
  padding: clamp(1.2rem, 3vw, 1.5rem);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(226, 232, 240, 0.14);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  list-style: none;
}

.benefit-list li {
  position: relative;
  padding: 0.9rem 1rem 0.9rem 2.45rem;
  color: rgba(248, 250, 252, 0.9);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(226, 232, 240, 0.1);
  border-radius: var(--radius-sm);
}

.benefit-list li::before {
  position: absolute;
  left: 0.9rem;
  top: 1rem;
  width: 0.72rem;
  height: 0.72rem;
  background: linear-gradient(135deg, var(--color-brand), var(--color-cyan));
  border-radius: 999px;
  content: "";
}

.offer-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 100%;
  padding: clamp(1.3rem, 3vw, 1.65rem);
}

.offer-card:first-child {
  border-color: rgba(226, 53, 53, 0.32);
  box-shadow: 0 26px 70px rgba(226, 53, 53, 0.13), var(--shadow-card);
}

.offer-status {
  align-self: flex-start;
  margin: 0;
  padding: 0.34rem 0.58rem;
  color: var(--color-brand);
  background: var(--color-brand-soft);
  border: 1px solid rgba(226, 53, 53, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  font-weight: 820;
}

.offer-card ul {
  display: grid;
  gap: 0.58rem;
  margin-bottom: auto;
  padding: 0;
  list-style: none;
}

.offer-card li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--color-body-light);
}

.offer-card li::before {
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.46rem;
  height: 0.46rem;
  background: var(--color-brand);
  border-radius: 999px;
  content: "";
}

.offer-card .button {
  width: 100%;
  margin-top: 0.4rem;
}

.feature-card {
  min-height: 190px;
}

.audience-card {
  background: linear-gradient(180deg, #ffffff, #f8fafc);
}

.roadmap-steps {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: 0;
  list-style: none;
  counter-reset: roadmap;
}

.roadmap-steps::before {
  position: absolute;
  top: 1.2rem;
  bottom: 1.2rem;
  left: 1.42rem;
  width: 1px;
  background: linear-gradient(180deg, var(--color-brand), rgba(56, 213, 255, 0.45));
  content: "";
}

.roadmap-steps li {
  counter-increment: roadmap;
  padding-left: 4.15rem;
}

.roadmap-steps li::before {
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  z-index: 1;
  display: grid;
  width: 2rem;
  height: 2rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-brand), var(--color-cyan));
  border-radius: 999px;
  content: counter(roadmap);
  font-size: 0.86rem;
  font-weight: 820;
  place-items: center;
}

.final-cta {
  overflow: hidden;
  position: relative;
  padding: clamp(1.75rem, 5vw, 3.25rem);
  color: var(--color-text);
  background:
    linear-gradient(135deg, rgba(226, 53, 53, 0.14), transparent 34%),
    linear-gradient(145deg, rgba(15, 28, 47, 0.95), rgba(4, 10, 20, 0.98));
  border: 1px solid rgba(226, 232, 240, 0.18);
  border-radius: var(--radius-md);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.32), 0 0 0 1px rgba(226, 53, 53, 0.08);
}

.final-cta::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: radial-gradient(circle at top right, rgba(255, 75, 75, 0.18), transparent 20rem);
}

.final-cta h2,
.final-cta p:not(.eyebrow) {
  position: relative;
  color: #ffffff;
}

.final-cta p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(226, 232, 240, 0.86);
}

.final-cta .eyebrow,
.final-cta .cta-actions {
  position: relative;
}

.final-cta .eyebrow {
  color: #ffd9d9;
  background: rgba(226, 53, 53, 0.16);
  border-color: rgba(255, 255, 255, 0.18);
}

/* privacy page */
.privacy-page {
  background:
    radial-gradient(circle at top left, rgba(226, 53, 53, 0.12), transparent 24rem),
    linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 24rem, #f6f8fb 24rem, #eef3f8 100%);
}

.privacy-hero {
  position: relative;
  padding-block: clamp(4rem, 9vw, 7rem);
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 10%, rgba(56, 213, 255, 0.12), transparent 24rem),
    radial-gradient(circle at 12% 20%, rgba(226, 53, 53, 0.18), transparent 24rem),
    linear-gradient(135deg, #030712 0%, #07111f 52%, #0d1b2e 100%);
}

.privacy-hero::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 84%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 84%);
}

.privacy-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.privacy-hero h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.45rem, 6vw, 4.8rem);
}

.privacy-hero p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(226, 232, 240, 0.84);
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
}

.privacy-section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  color: var(--color-body-light);
  background: #f6f8fb;
}

.privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 860px);
  justify-content: center;
}

.privacy-content {
  display: grid;
  gap: 1rem;
  padding: clamp(1.25rem, 4vw, 2.25rem);
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.privacy-content section {
  padding-block: 0.35rem 1rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.privacy-content section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.privacy-content h2 {
  margin-bottom: 0.65rem;
  color: #0b1220;
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
}

.privacy-content p,
.privacy-content li {
  color: var(--color-body-light);
  font-size: 1rem;
}

.privacy-content p + p {
  margin-top: 0.85rem;
}

.privacy-content ul {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.85rem;
  padding-left: 1.2rem;
}

.privacy-content a {
  color: #b4232f;
  font-weight: 720;
}

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

/* footer */
.site-footer {
  padding-block: clamp(1.6rem, 4vw, 2.35rem);
  color: rgba(226, 232, 240, 0.72);
  background:
    radial-gradient(circle at 12% 0%, rgba(226, 53, 53, 0.08), transparent 18rem),
    #030712;
  border-top: 1px solid rgba(226, 232, 240, 0.12);
}

.footer-layout {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(260px, 0.9fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: center;
}

.footer-brand p,
.footer-legal p {
  margin: 0;
}

.footer-brand p {
  max-width: 310px;
  margin-top: 0.55rem;
  color: rgba(226, 232, 240, 0.76);
  font-size: 0.92rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem 1.15rem;
}

.footer-nav a {
  font-size: 0.88rem;
}

.footer-legal {
  display: grid;
  gap: 0.3rem;
  justify-items: end;
  color: rgba(203, 213, 225, 0.72);
  font-size: 0.86rem;
  line-height: 1.45;
  text-align: right;
}

.back-to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 1.5rem);
  bottom: clamp(1rem, 3vw, 1.5rem);
  z-index: 18;
  display: grid;
  width: 48px;
  height: 48px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-brand), var(--color-brand-strong));
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 42px rgba(226, 53, 53, 0.28);
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.7rem);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  visibility: hidden;
  place-items: center;
}

.back-to-top:hover {
  box-shadow: 0 22px 52px rgba(226, 53, 53, 0.36);
  transform: translateY(0.45rem);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

.back-to-top span {
  font-size: 1.35rem;
  line-height: 1;
}

/* accessibility */
.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  transform: translateY(-160%);
  padding: 0.75rem 0.95rem;
  color: #ffffff;
  background: var(--color-brand);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid rgba(56, 213, 255, 0.85);
  outline-offset: 4px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease, border-color var(--transition), box-shadow var(--transition);
  transition-delay: var(--reveal-delay, 0ms);
}

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

/* responsive */
@media (max-width: 1120px) {
  .card-grid,
  .domain-grid,
  .feature-grid,
  .audience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .domain-grid .domain-card:last-child {
    grid-column: span 2;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .dashboard-mockup {
    width: min(100%, 640px);
    transform: none;
  }

  .dashboard-mockup:hover {
    transform: translateY(-3px);
  }

  .nav-links {
    gap: 0.72rem;
  }
}

@media (max-width: 920px) {
  .site-header .brand-logo {
    width: 142px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-panel {
    position: absolute;
    left: var(--space-page);
    right: var(--space-page);
    top: calc(100% + 0.7rem);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: rgba(3, 7, 18, 0.96);
    border: 1px solid rgba(226, 232, 240, 0.14);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
  }

  .site-header.nav-open .nav-panel,
  .site-header.is-menu-open .nav-panel,
  .nav-toggle[aria-expanded="true"] + .nav-panel {
    display: flex;
  }

  .nav-links {
    display: grid;
    gap: 0.25rem;
  }

  .nav-links a {
    display: block;
    padding: 0.72rem;
    border-radius: var(--radius-sm);
  }

  .nav-links a:hover {
    background: rgba(255, 255, 255, 0.06);
  }

  .nav-links a.is-active::after {
    display: none;
  }

  .nav-cta {
    width: 100%;
  }

  body.nav-open {
    overflow: hidden;
  }

  .offer-grid,
  .starter-layout,
  .roadmap-layout,
  .footer-layout {
    grid-template-columns: 1fr;
  }

  .footer-legal {
    justify-items: start;
    text-align: left;
  }
}

@media (max-width: 768px) {
  body {
    background:
      radial-gradient(circle at top left, rgba(226, 53, 53, 0.1), transparent 19rem),
      linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 24rem, #f6f8fb 24rem, #eef3f8 100%);
  }

  .site-nav {
    min-height: 68px;
  }

  .hero {
    min-height: auto;
    padding-block: 4rem 4.5rem;
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
    min-height: 48px;
  }

  .back-to-top {
    width: 44px;
    height: 44px;
  }

  .card-grid,
  .domain-grid,
  .feature-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .domain-grid .domain-card:last-child {
    grid-column: auto;
  }

  .section {
    padding-block: 4rem;
  }

  .section-intro {
    margin-bottom: 2rem;
  }

  .maturity-card {
    grid-template-columns: 1fr;
  }

  .mockup-header,
  .control-list li {
    align-items: flex-start;
  }

  .control-list li {
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  :root {
    --space-page: 1rem;
  }

  h1 {
    font-size: clamp(2.35rem, 12vw, 3rem);
  }

  h2 {
    font-size: clamp(1.85rem, 10vw, 2.45rem);
  }

  .brand-logo {
    width: 108px;
  }

  .site-header .brand-logo {
    width: 126px;
  }

  .nav-toggle-label {
    display: none;
  }

  .dashboard-mockup,
  .final-cta,
  .benefit-list,
  .info-card,
  .domain-card,
  .offer-card,
  .feature-card,
  .audience-card,
  .roadmap-steps li {
    border-radius: var(--radius-md);
  }

  .domain-list li {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 4ch 72px;
  }

  .domain-list li::after {
    grid-column: auto;
    width: 72px;
  }

  .roadmap-steps li {
    padding-left: 3.5rem;
  }
}

/* motion */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroGlow {
  from {
    opacity: 0.55;
    transform: translate3d(0, 0, 0) scale(1);
  }

  to {
    opacity: 0.9;
    transform: translate3d(-1.5rem, 1rem, 0) scale(1.04);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}