:root {
  --navy-950: #04111f;
  --navy-900: #071a2d;
  --navy-800: #0a2742;
  --blue-600: #0878d1;
  --blue-500: #139be8;
  --blue-300: #79cff7;
  --cyan-300: #55d8e6;
  --ink: #14253a;
  --muted: #5e6d7f;
  --surface: #ffffff;
  --surface-alt: #f3f7fa;
  --line: #dce5ec;
  --green: #0f8a5f;
  --amber: #d67b09;
  --purple: #7857c8;
  --pink: #c43d85;
  --shadow: 0 24px 70px rgba(5, 27, 48, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "DM Sans", system-ui, sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
button, input { font: inherit; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--navy-950);
  background: white;
  border-radius: 8px;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  width: var(--shell);
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: white;
  transform: translateX(-50%);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  text-decoration: none;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  color: var(--navy-950);
  background: linear-gradient(135deg, var(--cyan-300), var(--blue-300));
  border-radius: 12px;
  font-size: 0.8rem;
  letter-spacing: -0.03em;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-nav a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}
.site-nav a:hover { color: white; }
.site-nav .nav-cta {
  padding: 10px 16px;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
}
.site-nav .nav-cta:hover { background: rgba(255, 255, 255, 0.1); }
.menu-button { display: none; }

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  align-items: center;
  gap: 50px;
  padding: 150px max(20px, calc((100vw - 1180px) / 2)) 90px;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 82% 18%, rgba(14, 142, 209, 0.28), transparent 30%),
    linear-gradient(135deg, var(--navy-950), #082845 64%, #063451);
}
.hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -260px;
  width: 720px;
  height: 500px;
  border: 1px solid rgba(96, 210, 247, 0.16);
  border-radius: 50%;
  transform: rotate(-12deg);
}
.hero-content { position: relative; z-index: 2; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--blue-300);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow span {
  width: 28px;
  height: 2px;
  background: currentColor;
}
.eyebrow.dark { color: var(--blue-600); }
h1, h2, h3 {
  margin-top: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.045em;
  line-height: 1.08;
}
h1 {
  max-width: 780px;
  margin-bottom: 26px;
  font-size: clamp(3rem, 5.8vw, 5.6rem);
}
h1 em {
  color: var(--blue-300);
  font-style: normal;
}
.hero-copy {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.12rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 36px 0 52px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  box-shadow: 0 12px 35px rgba(7, 120, 209, 0.36);
}
.button-secondary {
  color: white;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}
.button-light { color: var(--navy-950); background: white; }
.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 650px;
}
.hero-meta div {
  padding-left: 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}
.hero-meta strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem;
}
.hero-meta span {
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.78rem;
}
.hero-visual {
  position: relative;
  z-index: 2;
  width: min(100%, 500px);
  aspect-ratio: 1;
  margin-inline: auto;
}
.cloud-core {
  position: absolute;
  z-index: 3;
  inset: 31%;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(145deg, #0c7cc9, #0ec2d1);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  box-shadow: 0 0 0 18px rgba(23, 163, 221, 0.08), 0 30px 80px rgba(0, 10, 23, 0.45);
}
.cloud-core svg {
  width: 62px;
  fill: none;
  stroke: white;
  stroke-width: 3;
}
.cloud-core span {
  margin-top: -24px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
}
.orbit {
  position: absolute;
  border: 1px solid rgba(104, 211, 244, 0.24);
  border-radius: 50%;
}
.orbit::before, .orbit::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--blue-300);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--blue-300);
}
.orbit-one { inset: 15%; animation: spin 24s linear infinite; }
.orbit-one::before { top: 16%; right: 7%; }
.orbit-one::after { bottom: 8%; left: 22%; }
.orbit-two { inset: 2%; animation: spin 36s linear infinite reverse; }
.orbit-two::before { top: 50%; left: -5px; }
.orbit-two::after { top: 5%; left: 55%; }
@keyframes spin { to { transform: rotate(360deg); } }
.orbit-label {
  position: absolute;
  padding: 7px 12px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(6, 31, 53, 0.82);
  border: 1px solid rgba(117, 210, 244, 0.24);
  border-radius: 999px;
  font-size: 0.72rem;
  backdrop-filter: blur(8px);
}
.label-foundation { top: 5%; left: 8%; }
.label-infra { top: 22%; right: 0; }
.label-data { right: 2%; bottom: 20%; }
.label-ai { bottom: 2%; left: 35%; }
.label-apps { bottom: 24%; left: 2%; }

.section-shell { width: var(--shell); margin-inline: auto; }
.intro { padding: 110px 0; }
.section-heading { max-width: 700px; }
.section-heading h2 {
  margin-bottom: 20px;
  font-size: clamp(2.25rem, 4vw, 3.6rem);
}
.section-heading > p:last-child { color: var(--muted); font-size: 1.06rem; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 56px;
}
.principles article {
  padding: 30px;
  background: var(--surface-alt);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.principles article:hover {
  transform: translateY(-5px);
  background: white;
  border-color: var(--line);
}
.principle-number {
  color: var(--blue-600);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
}
.principles h3 { margin: 24px 0 12px; font-size: 1.35rem; }
.principles p { margin: 0; color: var(--muted); font-size: 0.94rem; }

.journey-section {
  padding: 110px 0;
  color: white;
  background: var(--navy-900);
}
.journey-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 76px;
}
.journey-heading .section-heading > p:last-child { color: rgba(255, 255, 255, 0.6); }
.progress-card {
  width: 280px;
  flex: 0 0 auto;
  padding: 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}
.progress-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.84rem;
}
.progress-label strong { color: var(--blue-300); font-size: 1.15rem; }
.progress-track {
  height: 7px;
  margin: 14px 0 10px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 99px;
}
.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-300));
  border-radius: inherit;
  transition: width 300ms ease;
}
.text-button {
  padding: 0;
  color: rgba(255, 255, 255, 0.5);
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 0.74rem;
}
.text-button:hover { color: white; }
.timeline { position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 31px;
  width: 1px;
  background: linear-gradient(var(--blue-500), var(--green), var(--amber), var(--purple), var(--pink));
}
.stage {
  --stage-color: var(--blue-500);
  position: relative;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 36px;
  padding-bottom: 42px;
}
.stage:last-child { padding-bottom: 0; }
.stage-foundation { --stage-color: var(--blue-500); }
.stage-infrastructure { --stage-color: #20b486; }
.stage-data { --stage-color: #efa43a; }
.stage-ai { --stage-color: #9b7ee7; }
.stage-apps { --stage-color: #e161a4; }
.stage-marker {
  position: relative;
  z-index: 2;
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  color: white;
  background: var(--navy-900);
  border: 2px solid var(--stage-color);
  border-radius: 50%;
  box-shadow: 0 0 0 8px var(--navy-900);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}
.stage-card {
  padding: 36px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--stage-color);
  border-radius: var(--radius-lg);
}
.stage-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.stage-kicker {
  color: var(--stage-color);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.level-badge {
  padding: 4px 10px;
  color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  font-size: 0.72rem;
}
.stage-card h3 { margin-bottom: 10px; font-size: clamp(1.7rem, 3vw, 2.35rem); }
.stage-card > p { max-width: 760px; margin: 0 0 28px; color: rgba(255, 255, 255, 0.58); }
.credential-grid { display: grid; gap: 12px; }
.credential {
  position: relative;
  display: grid;
  grid-template-columns: 26px 1fr 28px;
  align-items: center;
  gap: 14px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.credential:hover {
  transform: translateX(3px);
  background: rgba(255, 255, 255, 0.085);
  border-color: color-mix(in srgb, var(--stage-color), transparent 50%);
}
.credential input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.checkmark {
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 7px;
}
.credential input:checked + .checkmark {
  background: var(--stage-color);
  border-color: var(--stage-color);
}
.credential input:checked + .checkmark::after { content: "✓"; color: var(--navy-950); font-weight: 800; }
.credential:has(input:checked) { background: color-mix(in srgb, var(--stage-color), transparent 88%); }
.credential-copy { display: flex; flex-direction: column; }
.credential-copy small {
  margin-bottom: 2px;
  color: var(--stage-color);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.credential-copy strong { font-size: 0.98rem; }
.credential-copy > span { color: rgba(255, 255, 255, 0.48); font-size: 0.8rem; }
.credential > a {
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 1.1rem;
}
.credential > a:hover { color: white; }
.applied-skills {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
}
.applied-skills summary {
  display: flex;
  justify-content: space-between;
  padding: 15px 18px;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 700;
}
.applied-skills summary span { color: rgba(255,255,255,.38); font-weight: 500; }
.applied-skills ul { margin: 0; padding: 0 18px 16px 42px; }
.applied-skills a { color: rgba(255,255,255,.65); text-underline-offset: 3px; }
.applied-skills a:hover { color: white; }
.stage-guide {
  display: inline-flex;
  gap: 8px;
  margin-top: 22px;
  color: var(--stage-color);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}
.stage-guide:hover span { transform: translateX(4px); }
.stage-guide span { transition: transform 160ms ease; }

.credentials-section { padding: 120px 0; }
.comparison {
  display: grid;
  grid-template-columns: 1fr 56px 1fr;
  align-items: center;
  margin-top: 58px;
}
.comparison-card {
  min-height: 450px;
  padding: 42px;
  border-radius: var(--radius-lg);
}
.certification-card { color: white; background: var(--navy-900); }
.skills-card { background: #eaf6ff; border: 1px solid #cce6f7; }
.comparison-icon {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  margin-bottom: 32px;
  color: var(--navy-950);
  background: var(--blue-300);
  border-radius: 14px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 800;
}
.skills-card .comparison-icon { color: white; background: var(--blue-600); }
.card-label {
  margin-bottom: 12px;
  color: var(--blue-300);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.skills-card .card-label { color: var(--blue-600); }
.comparison-card h3 { font-size: 2rem; }
.comparison-card ul { padding-left: 20px; }
.comparison-card li { margin-bottom: 10px; }
.certification-card li { color: rgba(255, 255, 255, 0.68); }
.skills-card li { color: var(--muted); }
.best-for {
  margin: 28px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
}
.skills-card .best-for { border-color: #c7dfef; }
.plus {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  justify-self: center;
  color: white;
  background: var(--blue-600);
  border: 6px solid white;
  border-radius: 50%;
  font-size: 1.3rem;
  font-weight: 700;
  z-index: 2;
}

.profile-section {
  padding: 110px 0;
  color: white;
  background:
    radial-gradient(circle at 15% 15%, rgba(24, 170, 226, 0.24), transparent 30%),
    var(--navy-900);
}
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  align-items: center;
  gap: 100px;
}
.profile-grid h2 { font-size: clamp(2.4rem, 4vw, 3.8rem); }
.profile-grid > div > p:not(.eyebrow) { color: rgba(255, 255, 255, 0.62); }
.profile-steps {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.profile-steps li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}
.profile-steps li > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--navy-950);
  background: var(--blue-300);
  border-radius: 12px;
  font-weight: 800;
}
.profile-steps strong { font-family: "Space Grotesk", sans-serif; font-size: 1.1rem; }
.profile-steps p { margin: 2px 0 0; color: rgba(255,255,255,.55); font-size: .88rem; }
.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 90px 0;
}
.final-cta h2 { max-width: 720px; margin: 0; font-size: clamp(2rem, 4vw, 3.3rem); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 36px max(20px, calc((100vw - 1180px) / 2));
  color: white;
  background: var(--navy-950);
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand div { display: flex; flex-direction: column; }
.footer-brand span:last-child { color: rgba(255,255,255,.45); font-size: .76rem; }
.footer-links { display: flex; align-items: center; gap: 24px; }
.footer-links a { color: rgba(255,255,255,.6); font-size: .82rem; text-decoration: none; }
.footer-links a:hover { color: white; }

:focus-visible { outline: 3px solid var(--cyan-300); outline-offset: 3px; }
@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; }
}

@media (max-width: 900px) {
  .site-header { height: 76px; }
  .menu-button {
    width: 44px;
    height: 44px;
    display: grid;
    place-content: center;
    gap: 5px;
    color: white;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 12px;
  }
  .menu-button span:not(.sr-only) { width: 20px; height: 2px; background: currentColor; }
  .site-nav {
    position: absolute;
    top: 68px;
    right: 0;
    width: min(320px, 100%);
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 12px;
    background: var(--navy-900);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 16px;
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 130px; }
  .hero-visual { width: min(80vw, 450px); }
  .principles { grid-template-columns: 1fr; }
  .journey-heading { align-items: stretch; flex-direction: column; }
  .progress-card { width: 100%; }
  .comparison { grid-template-columns: 1fr; gap: 0; }
  .plus { margin: -8px auto; }
  .profile-grid { grid-template-columns: 1fr; gap: 55px; }
}

@media (max-width: 620px) {
  :root { --shell: min(100% - 28px, 1180px); }
  .brand > span:last-child { font-size: .88rem; }
  .hero { padding-inline: 20px; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
  .hero-visual { width: 100%; }
  .label-infra { right: -8px; }
  .intro, .credentials-section { padding: 80px 0; }
  .journey-section { padding: 80px 0; }
  .timeline::before { left: 20px; }
  .stage { grid-template-columns: 42px minmax(0, 1fr); gap: 14px; }
  .stage-marker { width: 42px; height: 42px; box-shadow: 0 0 0 5px var(--navy-900); }
  .stage-card { padding: 24px 18px; border-radius: 20px; }
  .stage-topline { align-items: flex-start; flex-direction: column; gap: 8px; }
  .credential { grid-template-columns: 24px 1fr 20px; padding: 14px 12px; }
  .comparison-card { min-height: 0; padding: 28px 24px; }
  .profile-section { padding: 80px 0; }
  .final-cta { align-items: flex-start; flex-direction: column; padding: 70px 0; }
  footer { align-items: flex-start; flex-direction: column; }
  .footer-links { align-items: flex-start; flex-direction: column; gap: 8px; }
}
