:root {
  --red: #e50909;
  --red-dark: #8d0000;
  --red-deep: #4d0000;
  --ink: #08090c;
  --ink-soft: #15171f;
  --muted: #6b7280;
  --silver: #d8dde6;
  --surface: #ffffff;
  --surface-2: #f5f7fb;
  --border: rgba(8, 9, 12, .12);
  --shadow: 0 22px 70px rgba(8, 9, 12, .16);
  --radius: 28px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Aptos, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 5%, rgba(229, 9, 9, .09), transparent 26rem),
    radial-gradient(circle at 85% 12%, rgba(229, 9, 9, .08), transparent 24rem);
  z-index: -2;
}

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

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

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

.narrow {
  width: min(100% - 40px, 900px);
}

.skip-link {
  position: absolute;
  left: 20px;
  top: 12px;
  transform: translateY(-140%);
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  z-index: 1000;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(8, 9, 12, .08);
  transition: box-shadow .25s ease, background .25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 10px 35px rgba(8, 9, 12, .08);
  background: rgba(255, 255, 255, .94);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 86px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 222px;
}

.brand img {
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 10px 14px;
  border-radius: 999px;
  color: #222631;
  font-weight: 700;
  font-size: 0.96rem;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(229, 9, 9, .1);
  color: var(--red-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  width: 20px;
  height: 2px;
  background: var(--ink);
  display: block;
  border-radius: 999px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.hero {
  position: relative;
  min-height: calc(100svh - 86px);
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, #08090c 0%, #15171f 48%, #4d0000 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, .04) 1px, transparent 1px),
    radial-gradient(circle at 70% 20%, rgba(229, 9, 9, .33), transparent 22rem);
  background-size: 42px 42px, 42px 42px, auto;
  opacity: .95;
}

.hero::after {
  content: "";
  position: absolute;
  width: 48rem;
  height: 48rem;
  right: -18rem;
  bottom: -24rem;
  border-radius: 50%;
  background: rgba(229, 9, 9, .26);
  filter: blur(16px);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 56px;
  align-items: center;
  padding: 90px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 900;
  font-size: .78rem;
}

.hero .eyebrow,
.dark-panel .eyebrow,
.cta .eyebrow {
  color: #ff5a5a;
}

h1, h2, h3 {
  line-height: 1.05;
  letter-spacing: -.035em;
  margin: 0;
}

h1 {
  font-size: clamp(2.55rem, 7vw, 5.8rem);
  max-width: 980px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.55rem);
}

h3 {
  font-size: 1.24rem;
}

.lead {
  font-size: clamp(1.08rem, 2vw, 1.32rem);
  color: rgba(255, 255, 255, .78);
  max-width: 720px;
  margin: 24px 0 0;
}

.page-hero .lead,
.section-heading p,
.split p,
.content-page p {
  color: #4b5563;
}

.hero-actions,
.center-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: #fff;
  font-weight: 900;
  box-shadow: 0 16px 35px rgba(229, 9, 9, .25);
  cursor: pointer;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 45px rgba(229, 9, 9, .35);
}

.button-ghost {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .22);
  box-shadow: none;
}

.button-outline {
  background: #fff;
  color: var(--red-dark);
  border: 1px solid rgba(229, 9, 9, .25);
  box-shadow: none;
}

.button-small {
  min-height: 44px;
  padding: 0 18px;
  font-size: .95rem;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.trust-strip span,
.pill-grid span,
.frameworks span,
.model-grid span {
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .08);
  border-radius: 999px;
  padding: 9px 14px;
  font-weight: 800;
  color: rgba(255, 255, 255, .9);
}

.hero-card {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.hero-card img {
  width: 180px;
  display: block;
  margin: 0 auto 24px;
  filter: drop-shadow(0 24px 24px rgba(0, 0, 0, .4));
}

.hero-card h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.hero-card p {
  color: rgba(255, 255, 255, .72);
  margin-bottom: 0;
}

.section {
  padding: 96px 0;
}

.section-light {
  background: linear-gradient(180deg, #fff, var(--surface-2));
}

.section-heading {
  max-width: 820px;
  margin-bottom: 38px;
}

.section-heading.center {
  text-align: center;
  margin-inline: auto;
}

.card-grid {
  display: grid;
  gap: 22px;
}

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

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

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

.service-card,
.info-card,
.highlight-card,
.contact-card,
.contact-form,
.industry-grid article {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 18px 50px rgba(8, 9, 12, .06);
}

.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--red), transparent);
}

.service-card .icon {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  color: #fff;
  font-weight: 900;
  background: linear-gradient(135deg, var(--red), var(--ink));
  margin-bottom: 24px;
}

.service-card p,
.info-card p,
.dark-card p,
.contact-card p,
.industry-grid p {
  color: #4b5563;
  margin-bottom: 0;
}

.service-card a {
  display: inline-flex;
  margin-top: 18px;
  color: var(--red-dark);
  font-weight: 900;
}

.dark-panel {
  color: #fff;
  background:
    radial-gradient(circle at 10% 20%, rgba(229, 9, 9, .28), transparent 20rem),
    linear-gradient(135deg, var(--ink), #15171f 60%, #3f0000);
}

.dark-panel p {
  color: rgba(255, 255, 255, .72);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
  gap: 56px;
  align-items: center;
}

.metric-grid,
.model-grid,
.frameworks {
  display: grid;
  gap: 16px;
}

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

.metric-grid div {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 24px;
  padding: 26px;
}

.metric-grid strong {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  color: #fff;
}

.metric-grid span {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, .72);
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pill-grid span {
  background: #fff;
  color: #222631;
  border-color: var(--border);
  box-shadow: 0 10px 24px rgba(8, 9, 12, .05);
}

.center-actions {
  justify-content: center;
}

.cta {
  padding: 70px 0;
  background: #fff;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 42px;
  color: #fff;
  border-radius: calc(var(--radius) + 10px);
  background:
    radial-gradient(circle at 84% 20%, rgba(255, 255, 255, .16), transparent 18rem),
    linear-gradient(135deg, var(--red-dark), var(--ink));
  box-shadow: var(--shadow);
}

.cta-card p {
  color: rgba(255, 255, 255, .76);
  margin-bottom: 0;
}

.page-hero {
  padding: 96px 0 72px;
  background:
    radial-gradient(circle at 10% 15%, rgba(229, 9, 9, .12), transparent 24rem),
    linear-gradient(180deg, #fff, #f7f8fb);
  border-bottom: 1px solid rgba(8, 9, 12, .06);
}

.page-hero h1 {
  color: var(--ink);
}

.page-hero .lead {
  color: #4b5563;
}

.highlight-card img {
  width: 150px;
  display: block;
  margin-bottom: 18px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-list div {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
}

.feature-list span {
  width: 12px;
  height: 12px;
  background: var(--red);
  border-radius: 50%;
  margin-top: 8px;
  box-shadow: 0 0 0 6px rgba(229, 9, 9, .1);
  flex: 0 0 auto;
}

.feature-list p {
  margin: 0;
  font-weight: 800;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding: 18px 18px 18px 52px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  font-weight: 800;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 18px;
  top: 16px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(229, 9, 9, .1);
  color: var(--red-dark);
  font-weight: 900;
}

.service-stack {
  display: grid;
  gap: 10px;
}

.accordion {
  display: grid;
  gap: 12px;
}

.accordion details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0 20px;
}

.accordion summary {
  cursor: pointer;
  padding: 18px 0;
  font-size: 1.05rem;
  font-weight: 900;
}

.accordion p {
  margin-top: 0;
  color: #4b5563;
}

.dark-card {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 24px;
  padding: 24px;
}

.dark-card p {
  color: rgba(255, 255, 255, .72);
}

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

.industry-grid article {
  min-height: 190px;
}

.industry-grid h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.timeline {
  display: grid;
  gap: 18px;
  position: relative;
}

.timeline div {
  display: grid;
  grid-template-columns: 70px 220px 1fr;
  gap: 22px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 18px 50px rgba(8, 9, 12, .05);
}

.timeline span {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: #fff;
  font-weight: 900;
}

.timeline h3 {
  font-size: 1.2rem;
}

.timeline p {
  margin: 0;
  color: #4b5563;
}

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

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

.frameworks span,
.model-grid span {
  border-color: var(--border);
  background: #fff;
  color: #222631;
  text-align: center;
  border-radius: 18px;
}

.dark-panel .model-grid span {
  border-color: rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .08);
  color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 28px;
  align-items: start;
}

.contact-card a {
  color: var(--red-dark);
  font-weight: 900;
}

.download-box {
  margin-top: 28px;
  padding: 22px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(229, 9, 9, .1), rgba(8, 9, 12, .04));
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #222631;
  font-weight: 900;
}

.contact-form .full,
.contact-form button,
.contact-form .form-note {
  grid-column: 1 / -1;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  outline: none;
  background: #f9fafb;
}

input:focus,
textarea:focus {
  border-color: rgba(229, 9, 9, .55);
  box-shadow: 0 0 0 4px rgba(229, 9, 9, .1);
  background: #fff;
}

textarea {
  resize: vertical;
}

.honeypot {
  display: none !important;
}

.form-note {
  margin: 0;
  font-size: .9rem;
  color: #6b7280;
}

.content-page h2 {
  font-size: 1.8rem;
  margin-top: 34px;
  margin-bottom: 10px;
}

.site-footer {
  background: #08090c;
  color: #fff;
  padding: 66px 0 26px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.15fr .7fr .9fr 1fr;
  gap: 34px;
}

.footer-logo {
  width: 230px;
  display: block;
  margin-bottom: 16px;
}

.site-footer h2 {
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.site-footer p,
.site-footer span {
  color: rgba(255, 255, 255, .68);
}

.site-footer a,
.site-footer span {
  display: block;
  margin-top: 9px;
}

.site-footer a:hover {
  color: #ff5a5a;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: .92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s ease, transform .7s ease;
}

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

@media (max-width: 1080px) {
  .card-grid.four,
  .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-card {
    max-width: 620px;
  }

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

  .timeline div {
    grid-template-columns: 70px 1fr;
  }

  .timeline p {
    grid-column: 2 / -1;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    inset: 86px 20px auto 20px;
    display: grid;
    gap: 6px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 24px;
    padding: 14px;
    transform-origin: top right;
    transform: scale(.98) translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }

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

  .nav-link {
    padding: 12px 14px;
  }

  .brand {
    width: 188px;
  }

  .section,
  .page-hero {
    padding: 70px 0;
  }

  .card-grid.two,
  .card-grid.three,
  .card-grid.four,
  .metric-grid,
  .feature-list,
  .industry-grid,
  .model-grid,
  .frameworks,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .cta-card {
    display: grid;
  }
}

@media (max-width: 560px) {
  .container,
  .narrow {
    width: min(100% - 28px, var(--container));
  }

  .nav-shell {
    min-height: 76px;
  }

  .site-nav {
    inset: 76px 14px auto 14px;
  }

  .hero-grid {
    padding: 58px 0;
  }

  .hero-card,
  .service-card,
  .info-card,
  .highlight-card,
  .contact-card,
  .contact-form,
  .industry-grid article,
  .cta-card {
    border-radius: 22px;
    padding: 22px;
  }

  .timeline div {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .timeline p {
    grid-column: auto;
  }

  .footer-grid,
  .footer-bottom {
    grid-template-columns: 1fr;
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }

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