:root {
  --bg-page: #f3f4f7;
  --bg-card: #ffffff;
  --bg-dark: #12131f;
  --bg-accent: linear-gradient(135deg, #5b3df5 0%, #ff5d8a 100%);
  --text-main: #0f172a;
  --text-muted: #5f6b83;
  --text-inverse: #ffffff;
  --accent: #5b3df5;
  --accent-soft: rgba(91, 61, 245, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 20px 45px rgba(15, 23, 42, 0.09);
  --shadow-strong: 0 30px 70px rgba(15, 23, 42, 0.12);
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body.page {
  font-family: var(--font-main);
  background: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.shell {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  transition: var(--transition);
}

.site-header.is-floating {
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-mark__logo {
  height: 34px;
}

.nav-trigger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: var(--bg-card);
  justify-content: center;
  align-items: center;
  gap: 6px;
  flex-direction: column;
  cursor: pointer;
  transition: var(--transition);
}

.nav-trigger span {
  display: block;
  height: 2px;
  width: 20px;
  background: var(--text-main);
  border-radius: 999px;
  transition: var(--transition);
}

.nav-trigger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-trigger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-trigger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-weight: 600;
}

.primary-nav a {
  position: relative;
  padding: 6px 0;
}

.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  width: 100%;
}

.main {
  display: flex;
  flex-direction: column;
  gap: 120px;
  padding-top: 110px;
  padding-bottom: 140px;
}

.hero {
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(91, 61, 245, 0.15), transparent 48%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 48px;
  padding: 48px 4vw;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero__eyebrow {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero__title {
  font-size: clamp(2.4rem, 3vw + 1rem, 3.6rem);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero__lead {
  color: var(--text-muted);
  font-size: 1.125rem;
  margin-bottom: 30px;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero__sidebar {
  display: grid;
  gap: 24px;
}

.note {
  padding: 26px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(91, 61, 245, 0.12), rgba(255, 93, 138, 0.1));
  border: 1px solid rgba(91, 61, 245, 0.25);
}

.note h2 {
  font-size: 1.15rem;
  margin-bottom: 16px;
}

.note ul {
  display: grid;
  gap: 12px;
  color: var(--text-main);
  font-weight: 500;
}

.score {
  display: grid;
  justify-items: flex-start;
  padding: 28px;
  border-radius: var(--radius-md);
  background: var(--bg-dark);
  color: var(--text-inverse);
}

.score strong {
  font-size: 3.2rem;
  line-height: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn--accent {
  background: var(--bg-accent);
  color: var(--text-inverse);
  box-shadow: var(--shadow-soft);
}

.btn--accent:hover,
.btn--accent:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
}

.btn--ghost {
  border-color: rgba(15, 23, 42, 0.2);
  background: rgba(255, 255, 255, 0.6);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(2rem, 2.4vw + 1rem, 2.6rem);
  line-height: 1.2;
}

.section-head p {
  color: var(--text-muted);
  max-width: 420px;
}

.section-head--center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-head--center p {
  max-width: 560px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-bottom: 48px;
}

.case-card {
  display: grid;
  gap: 18px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-8px);
}

.case-card__body h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.case-card__body p {
  color: var(--text-muted);
  margin-bottom: 14px;
}

.case-card__body ul {
  display: grid;
  gap: 8px;
  font-weight: 500;
  color: var(--text-main);
}

.spotlight {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 32px;
  align-items: center;
  padding: 34px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-strong);
}

.spotlight__media {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.spotlight__content h3 {
  font-size: 2rem;
  margin-bottom: 18px;
}

.spotlight__content p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

.spotlight__content dl {
  display: grid;
  gap: 16px;
}

.spotlight__content dt {
  font-weight: 600;
}

.spotlight__content dd {
  color: var(--text-muted);
  margin-left: 0;
}

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

.gallery__item {
  display: grid;
  gap: 14px;
  padding: 18px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.gallery__item figcaption {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.stack-item {
  padding: 28px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid rgba(15, 23, 42, 0.05);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.stack-item:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
}

.stack-item h3 {
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.stack-item p {
  color: var(--text-muted);
  margin-bottom: 18px;
}

.stack-item span {
  font-weight: 600;
  color: var(--accent);
}

.methodology {
  background: radial-gradient(circle at top left, rgba(91, 61, 245, 0.12), transparent 55%);
  padding: 80px 0;
}

.methodology__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: 48px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-strong);
}

.methodology h2 {
  font-size: 2.4rem;
  margin-bottom: 18px;
}

.methodology p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.timeline {
  display: grid;
  gap: 20px;
}

.timeline li {
  list-style: none;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(91, 61, 245, 0.4);
  background: rgba(91, 61, 245, 0.05);
}

.timeline strong {
  display: block;
  margin-bottom: 6px;
}

.metrics {
  display: grid;
  gap: 20px;
}

.metric {
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--bg-dark);
  color: var(--text-inverse);
}

.metric__value {
  font-size: 2.4rem;
  font-weight: 800;
}

.metric__label {
  color: rgba(255, 255, 255, 0.72);
}

.feedback .quotes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.quote {
  padding: 28px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 18px;
}

.quote blockquote {
  font-size: 1.05rem;
  color: var(--text-main);
  font-weight: 500;
}

.quote figcaption {
  color: var(--text-muted);
  font-weight: 600;
}

.cta {
  position: relative;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-accent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-strong);
}

.cta__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 42px;
  padding: 48px;
  color: var(--text-inverse);
}

.cta__copy h2 {
  font-size: 2.4rem;
  margin-bottom: 18px;
}

.cta__copy p {
  max-width: 420px;
  color: rgba(255, 255, 255, 0.78);
}

.cta-form {
  background: rgba(15, 23, 42, 0.22);
  padding: 32px;
  border-radius: var(--radius-md);
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cta-field {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

.cta-field span {
  font-size: 0.95rem;
}

.cta-field input,
.cta-field textarea {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 1rem;
}

.cta-field textarea {
  resize: vertical;
}

.cta-field--wide {
  grid-column: 1 / -1;
}

.anti-bot {
  position: absolute;
  left: -99999px;
}

.site-footer {
  margin-top: 80px;
  background: var(--bg-dark);
  color: var(--text-inverse);
  padding: 64px 0 28px;
}

.site-footer__grid {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 40px;
}

.site-footer__logo {
  height: 36px;
  margin-bottom: 16px;
}

.site-footer__about p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 320px;
}

.site-footer__contact h3 {
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.site-footer__contact p {
  margin-bottom: 12px;
}

.site-footer__contact a {
  color: rgba(255, 255, 255, 0.78);
  transition: var(--transition);
}

.site-footer__contact a:hover,
.site-footer__contact a:focus-visible {
  color: var(--text-inverse);
}

.social-list {
  display: flex;
  gap: 14px;
}

.social-list a {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  display: grid;
  place-items: center;
  transition: var(--transition);
}

.social-list a:hover {
  background: rgba(255, 255, 255, 0.24);
  transform: translateY(-2px);
}

.social-list svg {
  width: 20px;
  height: 20px;
  fill: var(--text-inverse);
}

.site-footer__meta {
  text-align: center;
  opacity: 0.6;
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: 0.6s ease;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .primary-nav {
    position: fixed;
    top: 82px;
    right: 18px;
    width: min(320px, 88vw);
    padding: 26px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    box-shadow: var(--shadow-strong);
    transform: translateY(-10px) scale(0.95);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .primary-nav.is-active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
  }

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

  .hero__grid,
  .spotlight,
  .methodology__grid,
  .cta__grid {
    grid-template-columns: 1fr;
    padding: 36px;
  }

  .case-grid,
  .gallery__row,
  .stack,
  .feedback .quotes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__grid {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .main {
    gap: 80px;
    padding-bottom: 100px;
  }

  .hero__grid,
  .spotlight,
  .methodology__grid,
  .cta__grid {
    padding: 24px;
  }

  .case-grid,
  .gallery__row,
  .stack,
  .feedback .quotes {
    grid-template-columns: 1fr;
  }

  .cta-form {
    grid-template-columns: 1fr;
  }

  .cta-field--wide {
    grid-column: auto;
  }
}

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