:root {
  --navy: #121A4F;
  --sky: #3BBAD2;
  --red: #E95351;
  --mid: #5B6AAF;
  --orange: #F6A42D;
  --ink: #0F173D;
  --paper: #F4F7FC;
  --white: #FFFFFF;
  --text: #27304F;
  --muted: #61709A;
  --line: rgba(18, 26, 79, 0.12);
  --line-strong: rgba(18, 26, 79, 0.18);
  --shadow-lg: 0 30px 80px rgba(18, 26, 79, 0.14);
  --shadow-md: 0 20px 46px rgba(18, 26, 79, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: 1180px;
  --header-height: 88px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(59, 186, 210, 0.16), transparent 30%),
    radial-gradient(circle at 85% 8%, rgba(246, 164, 45, 0.12), transparent 22%),
    linear-gradient(180deg, #FBFCFF 0%, #F2F6FD 100%);
}

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

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

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

.site-shell {
  overflow: clip;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(251, 252, 255, 0.72);
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.header.is-scrolled {
  background: rgba(251, 252, 255, 0.9);
  border-color: rgba(18, 26, 79, 0.08);
  box-shadow: 0 16px 40px rgba(18, 26, 79, 0.08);
}

.header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand__logo {
  display: block;
  width: auto;
  height: 56px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(18, 26, 79, 0.72);
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--navy);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: -0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

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

.btn--sm {
  min-height: 46px;
  padding: 0 18px;
}

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

.btn--primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--mid));
  box-shadow: 0 16px 36px rgba(18, 26, 79, 0.22);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  box-shadow: 0 22px 44px rgba(18, 26, 79, 0.26);
}

.btn--secondary {
  color: var(--navy);
  border-color: rgba(18, 26, 79, 0.12);
  background: rgba(255, 255, 255, 0.7);
}

.burger {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(18, 26, 79, 0.12);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.9);
}

.burger span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--navy);
}

.mobile {
  display: none;
  border-top: 1px solid rgba(18, 26, 79, 0.08);
}

.mobile.open {
  display: block;
}

.mobile__inner {
  padding: 18px 0 22px;
  display: grid;
  gap: 12px;
}

.mobile__inner a:not(.btn) {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(18, 26, 79, 0.08);
  font-weight: 700;
  color: var(--navy);
}

.hero {
  position: relative;
  padding: 48px 0 40px;
}

.hero__ambient {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  pointer-events: none;
}

.hero__ambient--left {
  width: 460px;
  height: 460px;
  left: -180px;
  top: 48px;
  background: radial-gradient(circle, rgba(59, 186, 210, 0.2), transparent 70%);
}

.hero__ambient--right {
  width: 480px;
  height: 480px;
  right: -160px;
  top: -40px;
  background: radial-gradient(circle, rgba(246, 164, 45, 0.16), transparent 70%);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 42px;
  align-items: center;
}

.eyebrow,
.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eyebrow__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--sky), var(--mid));
  box-shadow: 0 0 0 8px rgba(59, 186, 210, 0.12);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--navy);
}

.hero h1 span {
  display: inline-block;
  color: var(--mid);
}

.hero__lead,
.split__lead,
.section__head p,
.about__content p,
.cta-panel p,
.contact__content p {
  color: var(--muted);
  line-height: 1.75;
  font-size: 1.02rem;
}

.hero__lead {
  max-width: 60ch;
  margin: 22px 0 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 0;
}

.hero__proof {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.proof-card,
.stat-card,
.testimonial,
.solution-card,
.feature-item,
.contact__details article {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-md);
}

.proof-card {
  padding: 20px;
}

.proof-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 1.1rem;
}

.proof-card span {
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.94rem;
}

.hero__visual {
  position: relative;
  min-height: 640px;
}

.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  background:
    radial-gradient(circle at top right, rgba(59, 186, 210, 0.2), transparent 28%),
    linear-gradient(180deg, #1A2362 0%, #121A4F 100%);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.hero-card--main {
  padding: 26px;
}

.hero-card__top,
.chart-card__head,
.stack-card__header,
.stack-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.hero-card__top p,
.chart-card__head span,
.stack-card__header span,
.stack-card__footer span {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
}

.hero-card__signal {
  display: flex;
  gap: 6px;
}

.hero-card__signal span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
}

.hero-card__body {
  margin-top: 24px;
  display: grid;
  gap: 18px;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.metric,
.chart-card,
.insight {
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.07);
}

.metric {
  padding: 20px;
}

.metric span,
.insight__label {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.85rem;
}

.metric strong,
.insight strong {
  display: block;
  margin-top: 10px;
  font-size: 1.5rem;
  line-height: 1.15;
}

.metric small {
  display: block;
  margin-top: 10px;
  font-size: 0.86rem;
}

.metric__up {
  color: #92F0BF;
}

.metric__neutral {
  color: #D6E4FF;
}

.chart-card {
  padding: 18px;
}

.chart-bars {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 12px;
  min-height: 180px;
}

.chart-bars span {
  display: block;
  height: var(--size);
  min-height: 32px;
  border-radius: 999px 999px 18px 18px;
  background: linear-gradient(180deg, var(--sky), rgba(91, 106, 175, 0.72));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.insight-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
}

.insight {
  padding: 20px;
}

.insight--accent {
  background: linear-gradient(180deg, rgba(233, 83, 81, 0.18), rgba(246, 164, 45, 0.1));
}

.logo-band {
  padding: 14px 0 18px;
}

.logo-band__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 22px 26px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(18, 26, 79, 0.08);
  background: rgba(255, 255, 255, 0.68);
}

.logo-band__inner > span {
  color: var(--muted);
  font-weight: 700;
}

.logo-band__items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.logo-band__items span {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(18, 26, 79, 0.05);
  color: var(--navy);
  font-weight: 700;
}

.section {
  padding: 108px 0;
}

.section--light {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.88)),
    radial-gradient(circle at top right, rgba(59, 186, 210, 0.08), transparent 26%);
}

.section__head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

.section__head h2,
.split h2,
.about h2,
.cta-panel h2,
.contact h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  max-width: 14ch;
}

.section__head p {
  max-width: 48ch;
  margin: 0;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.solution-card {
  padding: 28px;
  min-height: 260px;
}

.solution-card h3 {
  margin: 22px 0 12px;
  color: var(--navy);
  font-size: 1.26rem;
}

.solution-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.solution-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
}

.solution-card__icon--blue {
  background: linear-gradient(160deg, var(--navy), var(--mid));
}

.solution-card__icon--cyan {
  background: linear-gradient(160deg, var(--sky), var(--mid));
}

.solution-card__icon--orange {
  background: linear-gradient(160deg, var(--orange), #FFD590);
}

.solution-card__icon--red {
  background: linear-gradient(160deg, var(--red), #FFAAA8);
}

.split,
.about,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
  gap: 34px;
  align-items: start;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.feature-item {
  padding: 24px;
}

.feature-item h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 1.08rem;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.stack-card {
  padding: 30px;
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(18, 26, 79, 0.98), rgba(26, 35, 98, 0.96));
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.stack-flow {
  margin: 28px 0;
  display: grid;
  gap: 14px;
}

.stack-flow div {
  position: relative;
  padding: 20px 22px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 700;
}

.stack-flow div::after {
  content: "";
  position: absolute;
  left: 28px;
  bottom: -14px;
  width: 2px;
  height: 14px;
  background: rgba(255, 255, 255, 0.18);
}

.stack-flow div:last-child::after {
  display: none;
}

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

.testimonial {
  padding: 28px;
}

.testimonial p {
  margin: 0;
  color: var(--text);
  line-height: 1.8;
}

.testimonial__meta {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(18, 26, 79, 0.08);
}

.testimonial__meta strong,
.contact__details strong,
.footer__nav strong {
  display: block;
  color: var(--navy);
  font-size: 0.98rem;
}

.testimonial__meta span {
  color: var(--muted);
  font-size: 0.92rem;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.stat-card {
  padding: 24px;
}

.stat-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 1.02rem;
}

.stat-card span {
  color: var(--muted);
  line-height: 1.65;
}

.stat-card--highlight {
  background: linear-gradient(180deg, rgba(59, 186, 210, 0.12), rgba(255, 255, 255, 0.82));
}

.cta-section {
  padding-top: 32px;
}

.cta-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding: 38px;
  border-radius: 36px;
  background:
    radial-gradient(circle at top right, rgba(59, 186, 210, 0.22), transparent 24%),
    linear-gradient(135deg, rgba(18, 26, 79, 0.98), rgba(91, 106, 175, 0.96));
  box-shadow: var(--shadow-lg);
}

.cta-panel .section__eyebrow,
.cta-panel h2,
.cta-panel p {
  color: var(--white);
}

.cta-panel p {
  max-width: 56ch;
  opacity: 0.82;
}

.contact__details {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.contact__details article {
  padding: 22px;
}

.contact__details a,
.contact__details span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.6;
}

.form {
  padding: 28px;
  border-radius: 32px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-md);
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  margin-top: 12px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(18, 26, 79, 0.12);
  background: #F9FBFF;
  color: var(--navy);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  border-color: rgba(59, 186, 210, 0.65);
  box-shadow: 0 0 0 4px rgba(59, 186, 210, 0.12);
  background: var(--white);
}

.form input::placeholder,
.form textarea::placeholder,
.form select {
  color: #7B88AE;
}

.form textarea {
  resize: vertical;
  min-height: 150px;
}

.form__hint {
  margin: 14px 4px 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.hp {
  display: none;
}

.footer {
  padding: 40px 0 28px;
  color: rgba(255, 255, 255, 0.82);
  background: linear-gradient(180deg, #101742 0%, #0D1439 100%);
}

.footer__inner,
.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer__brand {
  max-width: 420px;
}

.brand--footer .brand__logo,
.footer__brand p,
.footer__nav a,
.footer__bottom span {
  color: rgba(255, 255, 255, 0.78);
}

.brand--footer .brand__logo {
  height: 60px;
  filter: brightness(0) invert(1);
}

.footer__brand p {
  margin: 18px 0 0;
  line-height: 1.7;
}

.footer__nav {
  display: grid;
  gap: 10px;
}

.footer__nav a {
  transition: color 0.2s ease;
}

.footer__nav a:hover,
.footer__nav a:focus-visible {
  color: var(--white);
}

.footer__bottom {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 1120px) {
  .hero__inner,
  .split,
  .about,
  .contact,
  .section__head {
    grid-template-columns: 1fr;
  }

  .section__head {
    display: grid;
    align-items: start;
  }

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

  .hero__proof,
  .testimonials {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 840px) {
  :root {
    --header-height: 78px;
  }

  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .nav,
  .header__actions .btn {
    display: none;
  }

  .burger {
    display: block;
  }

  .brand__logo {
    height: 48px;
  }

  .hero {
    padding-top: 24px;
  }

  .hero__visual {
    min-height: auto;
  }

  .feature-list,
  .metric-strip,
  .insight-grid,
  .about__stats,
  .form__row,
  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel,
  .logo-band__inner,
  .footer__inner,
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-card--main {
    padding: 22px;
  }

  .section {
    padding: 82px 0;
  }
}

@media (max-width: 560px) {
  .hero h1 {
    font-size: 2.65rem;
  }

  .section__head h2,
  .split h2,
  .about h2,
  .cta-panel h2,
  .contact h2 {
    max-width: none;
    font-size: 2.2rem;
  }

  .proof-card,
  .solution-card,
  .testimonial,
  .feature-item,
  .stat-card,
  .form,
  .contact__details article,
  .cta-panel {
    border-radius: 24px;
  }
}