:root {
  --bg: #f4f4f2;
  --surface: #ffffff;
  --surface-soft: #fbfbfa;
  --text: #171717;
  --text-muted: #5f5f5f;
  --text-faint: #8a8a8a;
  --border: rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.05);
  --radius-sm: 14px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --container: 1220px;
  --transition: 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 22% 0%, #ffffff 0%, transparent 32%),
    radial-gradient(circle at 95% 8%, #fbfbfa 0%, transparent 36%), var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -200px;
  padding: 0.65rem 1rem;
  background: var(--text);
  color: #fff;
  border-radius: var(--radius-sm);
  z-index: 120;
}

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

.container {
  width: min(var(--container), calc(100% - 64px));
  margin: 0 auto;
}

.section {
  padding-block: 104px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  transition: background-color var(--transition), box-shadow var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--bg) 82%, white);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.03);
}

.header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.main-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 10px;
}

.nav-link {
  color: var(--text-muted);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  transition: color var(--transition), background-color var(--transition), border-color var(--transition);
  border: 1px solid transparent;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--text);
  border-color: var(--border);
  background: var(--surface);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 16px;
  padding: 0.74rem 1.2rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition),
    color var(--transition), border-color var(--transition);
}

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

.btn--primary {
  background: #111111;
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: var(--surface);
  color: #111111;
  border-color: var(--border);
}

.menu-toggle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: none;
  place-items: center;
  padding: 0;
  background: var(--surface);
  cursor: pointer;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  display: block;
  margin: 2px 0;
  border-radius: 10px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  padding: 0 24px 20px;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu nav {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 6px;
  padding: 14px;
}

.mobile-menu nav a {
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  color: var(--text-muted);
  border: 1px solid transparent;
}

.mobile-menu nav a:hover {
  color: var(--text);
  border-color: var(--border);
  background: var(--surface-soft);
}

.hero {
  padding-top: 120px;
  padding-bottom: 130px;
}

.hero-inner {
  text-align: center;
  max-width: 980px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  padding: 0.33rem 0.78rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-soft) 80%, #ffffff);
  color: var(--text-muted);
  font-size: 0.77rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin: 0 0 16px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.95rem, 5.9vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
  max-width: 920px;
  margin-inline: auto;
}

.hero-copy {
  margin: 22px auto 0;
  max-width: 720px;
  color: var(--text-muted);
  font-size: clamp(0.98rem, 1.8vw, 1.08rem);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.credibility-row {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text-faint);
  font-size: 0.88rem;
}

.credibility-row p {
  margin: 0;
}

.credibility-avatars {
  display: flex;
}

.credibility-avatars span {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  margin-left: -8px;
  border: 2px solid var(--bg);
  background: linear-gradient(145deg, #111111, #4f4f4f);
  box-shadow: var(--shadow-sm);
}

.credibility-avatars span:first-child {
  margin-left: 0;
}

.section-head {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 42px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.7rem, 4.4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.section-head p {
  color: var(--text-muted);
  margin: 14px 0 0;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #ffffff 0%, #fbfbfa 100%);
  box-shadow: var(--shadow-sm);
  padding: 26px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 0, 0, 0.1);
}

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

.benefit-card {
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.benefit-card h3 {
  margin: 18px 0 8px;
  font-size: 1.26rem;
  line-height: 1.25;
}

.benefit-card p {
  margin: 0;
  color: var(--text-muted);
}

.benefit-visual {
  border-radius: 18px;
  border: 1px solid var(--border);
  background: #f7f7f6;
  height: 122px;
  position: relative;
  overflow: hidden;
}

.benefit-visual--pulse::before,
.benefit-visual--pulse::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.benefit-visual--pulse::before {
  width: 28px;
  height: 28px;
  left: 24px;
  top: 48px;
  background: #111;
}

.benefit-visual--pulse::after {
  width: 86px;
  height: 86px;
  left: 14px;
  top: 18px;
}

.benefit-visual--bars::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 14px;
  background: repeating-linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.1) 0 10px,
    transparent 10px 22px
  );
}

.benefit-visual--tile::before,
.benefit-visual--tile::after {
  content: "";
  position: absolute;
  border-radius: 12px;
}

.benefit-visual--tile::before {
  width: 58px;
  height: 58px;
  right: 28px;
  top: 16px;
  background: #121212;
  transform: rotate(45deg);
}

.benefit-visual--tile::after {
  width: 84px;
  height: 84px;
  right: 16px;
  top: 30px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.card-tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
}

.card-tags span,
.chip {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: #fff;
  font-size: 0.74rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  font-weight: 600;
  padding: 0.3rem 0.62rem;
  margin: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  grid-column: span 5;
  display: grid;
  gap: 14px;
  align-content: start;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.24rem;
  line-height: 1.28;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
}

.feature-card--large,
.feature-card--media {
  grid-column: span 7;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}

.feature-card--wide {
  grid-column: span 12;
}

.feature-media {
  min-height: 185px;
  border-radius: 18px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  background: #f6f6f5;
}

.feature-media--platform::before {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 24px;
  bottom: 24px;
  border-radius: 14px;
  background: linear-gradient(145deg, #dadad8, #f9f9f7);
  box-shadow: inset 0 -18px 34px rgba(255, 255, 255, 0.75);
}

.feature-media--platform::after {
  content: "";
  position: absolute;
  left: 40px;
  top: 48px;
  width: 54%;
  height: 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.17);
  box-shadow: 0 23px 0 rgba(0, 0, 0, 0.11), 0 46px 0 rgba(0, 0, 0, 0.09);
}

.feature-media--analytics::before {
  content: "";
  position: absolute;
  inset: 20px;
  border-radius: 16px;
  background: linear-gradient(140deg, #fefefe 10%, #ececea 90%);
}

.feature-media--analytics::after {
  content: "";
  position: absolute;
  left: 32px;
  bottom: 34px;
  width: 72%;
  height: 58%;
  background: linear-gradient(
    130deg,
    rgba(0, 0, 0, 0) 0 26%,
    rgba(0, 0, 0, 0.15) 26% 30%,
    rgba(0, 0, 0, 0) 30% 56%,
    rgba(0, 0, 0, 0.18) 56% 60%,
    rgba(0, 0, 0, 0) 60%
  );
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.service-card {
  display: grid;
  gap: 14px;
  min-height: 230px;
  align-content: start;
}

.service-card h3 {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.28;
}

.service-card p {
  margin: 0;
  color: var(--text-muted);
}

.service-card--wide {
  grid-column: span 2;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  align-items: center;
}

.mock-ui {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #f7f7f6;
  padding: 14px;
}

.mock-ui__top {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.mock-ui__top span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
}

.mock-ui__line {
  height: 11px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.11);
  margin-bottom: 9px;
}

.mock-ui__line--short {
  width: 70%;
}

.mock-ui button {
  margin-top: 6px;
  border: 0;
  border-radius: 12px;
  background: #111;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.42rem 0.75rem;
}

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

.work-card {
  min-height: 210px;
}

.work-card h3 {
  margin: 0;
  font-size: 1.18rem;
}

.work-card p {
  margin: 10px 0 0;
  color: var(--text-muted);
}

.work-metric {
  margin-top: 20px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.process-card {
  min-height: 208px;
}

.step-no {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.83rem;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.process-card h3 {
  margin: 8px 0;
  font-size: 1.2rem;
}

.process-card p {
  margin: 0;
  color: var(--text-muted);
}

.cta-panel {
  background: linear-gradient(180deg, #ffffff 0%, #fdfdfc 100%);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow-md);
  padding: 56px 52px;
  text-align: center;
  max-width: 980px;
  margin: 0 auto;
}

.cta-panel h2 {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 2.8rem);
  line-height: 1.16;
  letter-spacing: -0.024em;
}

.cta-panel p {
  max-width: 700px;
  margin: 16px auto 0;
  color: var(--text-muted);
}

.contact-form {
  margin-top: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  text-align: left;
}

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

.form-field--full {
  grid-column: span 2;
}

.form-field label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  padding: 0.72rem 0.9rem;
  line-height: 1.4;
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--text-faint);
}

.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible {
  outline: 2px solid #111;
  outline-offset: 1px;
  border-color: rgba(0, 0, 0, 0.15);
}

.cta-actions {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer {
  padding: 48px 0 58px;
}

.footer-inner {
  border-top: 1px solid var(--border);
  padding-top: 30px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.footer-inner p {
  margin: 10px 0 0;
  color: var(--text-faint);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: start;
}

.footer-links a,
.footer-meta a {
  color: var(--text-muted);
}

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

.footer-meta {
  justify-self: end;
  text-align: right;
}

.footer-meta p {
  margin-top: 14px;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid #111;
  outline-offset: 2px;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 260ms ease, transform 260ms ease;
}

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

@media (max-width: 1023px) {
  .container {
    width: min(var(--container), calc(100% - 48px));
  }

  .section {
    padding-block: 86px;
  }

  .header-inner {
    min-height: 74px;
  }

  .main-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .mobile-menu {
    display: block;
  }

  .hero {
    padding-top: 98px;
    padding-bottom: 102px;
  }

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

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

  .feature-card,
  .feature-card--large,
  .feature-card--media {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .feature-card--wide {
    grid-column: span 2;
  }

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

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

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

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 767px) {
  .container {
    width: min(var(--container), calc(100% - 32px));
  }

  .section {
    padding-block: 72px;
  }

  .hero {
    padding-top: 84px;
    padding-bottom: 82px;
  }

  .hero h1 {
    font-size: clamp(1.8rem, 8.8vw, 2.4rem);
  }

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

  .hero-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }

  .credibility-row {
    flex-direction: column;
    gap: 8px;
  }

  .benefits-grid,
  .features-grid,
  .services-grid,
  .work-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

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

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

  .feature-card,
  .feature-card--large,
  .feature-card--media,
  .feature-card--wide,
  .service-card,
  .service-card--wide {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .cta-panel {
    border-radius: var(--radius-lg);
    padding: 34px 24px;
  }
}

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

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}