@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap");

:root {
  color-scheme: light;
  --ink: #142033;
  --muted: #677489;
  --paper: #f5f6f3;
  --white: #fff;
  --navy: #101a2b;
  --teal: #8be0cb;
  --line: #e1e5e3;
  --mono: "DM Mono", "Courier New", monospace;
  --sans: "DM Sans", Arial, sans-serif;
  --display: "Space Grotesk", "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.65; }
a { color: inherit; }
.site-header { height: 76px; padding: 0 7.2%; display: flex; align-items: center; justify-content: space-between; background: var(--navy); color: #f2f5f3; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-decoration: none; }
.brand-mark { width: 27px; height: 27px; display: inline-grid; place-items: center; color: var(--navy); background: var(--teal); font-family: var(--display); font-size: 15px; font-weight: 700; }
.brand-divider { color: #758399; }
.header-link { color: #c4ced6; font-size: 13px; text-decoration: none; }
.header-link span { margin-left: 8px; color: var(--teal); }
.hero { position: relative; overflow: hidden; min-height: 480px; padding: 75px 10% 80px; display: flex; justify-content: space-between; align-items: center; gap: 36px; background: var(--navy); color: #f6f7f4; }
.hero-copy { position: relative; z-index: 1; max-width: 660px; }
.eyebrow { margin: 0 0 14px; color: #458d7f; font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: .16em; }
.hero .eyebrow { color: var(--teal); }
.status-dot { display: inline-block; width: 7px; height: 7px; margin: 0 8px 1px 0; border-radius: 50%; background: var(--teal); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 18px; font-family: var(--display); font-size: clamp(44px, 6vw, 72px); font-weight: 600; letter-spacing: -.055em; line-height: 1.03; }
h1 span { color: var(--teal); }
.hero-description { max-width: 580px; margin-bottom: 28px; color: #c2cbd3; font-size: 15px; line-height: 1.8; }
.button { display: inline-flex; align-items: center; gap: 22px; padding: 12px 17px; color: var(--navy); background: var(--teal); font-size: 13px; font-weight: 700; text-decoration: none; }
.button span { font-size: 17px; }
.hero-note { z-index: 1; width: 230px; flex: 0 0 230px; padding: 20px; border: 1px solid #334052; background: #172337; }
.note-label, .card-kicker { color: #8e9cae; font-family: var(--mono); font-size: 9px; letter-spacing: .12em; }
.note-number { margin-top: 18px; color: var(--teal); font-family: var(--display); font-size: 49px; font-weight: 500; line-height: 1.1; }
.note-number span { color: #778397; font-family: var(--mono); font-size: 13px; }
.hero-note p { margin: 13px 0; color: #c3cbd5; font-size: 13px; line-height: 1.6; }
.hero-note p strong { color: white; }
.note-rule { border-top: 1px solid #354153; }
.hero-note .note-small { margin-bottom: 0; color: #8795a8; font-size: 10px; }
.note-small span { padding: 0 4px; color: var(--teal); }
.hero-grid { position: absolute; right: 0; bottom: 0; width: 38%; height: 100%; opacity: .2; background-image: linear-gradient(#344054 1px, transparent 1px), linear-gradient(90deg, #344054 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(90deg, transparent, black); }
.intro-row { padding: 35px 10%; display: grid; grid-template-columns: 210px minmax(0, 700px); gap: 36px; align-items: start; border-bottom: 1px solid var(--line); background: #fff; }
.intro-row .eyebrow { margin: 5px 0 0; }
.intro-row > p:last-child { margin: 0; color: #576579; font-size: 14px; }
.section-wrap { max-width: 1280px; margin: 0 auto; padding: 70px 7.2% 85px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 30px; }
.section-heading h2, .practice-band h2 { margin: 0; font-family: var(--display); font-size: clamp(26px, 3vw, 36px); letter-spacing: -.04em; line-height: 1.2; }
.section-heading > p { max-width: 300px; margin-bottom: 3px; color: var(--muted); font-size: 12px; }
.path-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
.path-card { display: flex; flex-direction: column; min-height: 370px; padding: 22px; border: 1px solid var(--line); background: var(--white); }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 27px; }
.card-index { color: #508f83; font-family: var(--mono); font-size: 11px; }
.card-symbol { color: #6f7c8d; font-size: 20px; }
.path-card .card-kicker { margin-bottom: 7px; color: #718092; }
.path-card h3 { margin-bottom: 8px; font-family: var(--display); font-size: 24px; letter-spacing: -.035em; }
.path-card > p:not(.card-kicker) { min-height: 62px; margin-bottom: 16px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.topic-list { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 10px; margin: 0 0 20px; padding: 0; list-style: none; }
.topic-list li { color: #48566a; font-size: 10px; }
.topic-list li::before { content: "—"; margin-right: 6px; color: #4f9b8c; }
.text-link { margin-top: auto; padding-top: 13px; border-top: 1px solid var(--line); color: #186958; font-size: 11px; font-weight: 700; text-decoration: none; }
.text-link span { margin-left: 5px; }
.text-link:hover, .header-link:hover, .site-footer a:hover { text-decoration: underline; }
.practice-band { margin: 0 7.2% 70px; padding: 25px 30px; display: grid; grid-template-columns: 42px 1fr; gap: 18px; background: #e8efeb; }
.practice-icon { width: 33px; height: 33px; display: grid; place-items: center; border: 1px solid #70a395; color: #327967; font-family: var(--mono); font-size: 15px; }
.practice-band .eyebrow { margin-bottom: 5px; }
.practice-band h2 { font-size: 19px; }
.practice-band p:last-child { max-width: 740px; margin: 8px 0 0; color: #596a67; font-size: 12px; }
.site-footer { min-height: 70px; padding: 16px 7.2%; display: flex; align-items: center; justify-content: space-between; gap: 15px; border-top: 1px solid var(--line); color: #667387; font-size: 10px; }
.site-footer .brand { color: var(--ink); font-size: 10px; }
.site-footer .brand-mark { width: 22px; height: 22px; font-size: 12px; }
.site-footer > a:last-child { text-decoration: none; }

.career-positioning {
  max-width: 820px;
  margin: 0 0 22px;
  padding: 22px 25px;
  border: 1px solid rgba(120, 220, 255, .28);
  border-radius: 16px;
  background: linear-gradient(120deg, rgba(18, 39, 52, .82), rgba(12, 18, 24, .72));
}
.career-positioning .eyebrow { margin-bottom: 9px; }
.career-title {
  margin: 0 0 9px;
  color: #eef7fb;
  font-family: var(--display);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 600;
  line-height: 1.25;
}
.career-title span { color: var(--teal); }
.career-positioning > p:last-child { margin: 0; color: var(--muted); font-size: 12px; }
.focus-heading { margin: 28px 0 12px; color: #e4eef3; font-family: var(--display); font-size: 21px; }
.focus-table-wrap { margin: 0 0 24px; }
.focus-table { min-width: 720px; }
.focus-table td:nth-child(2) { white-space: nowrap; color: var(--teal); font-weight: 700; }
.career-grid .path-card { min-height: 260px; }
.career-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.guide-hero { padding: 55px max(7.2%, calc((100% - 1120px) / 2)) 48px; background: var(--navy); color: white; }
.breadcrumbs { margin-bottom: 25px; color: #9eacbd; font-size: 11px; }
.breadcrumbs a { color: var(--teal); text-decoration: none; }
.guide-hero h1 { max-width: 760px; margin-bottom: 14px; font-size: clamp(38px, 5vw, 58px); }
.guide-hero > p:last-child { max-width: 720px; margin: 0; color: #c2cbd3; font-size: 14px; }
.guide-layout { max-width: 1120px; margin: 0 auto; padding: 42px 28px 80px; display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 60px; }
.guide-toc { position: sticky; top: 24px; align-self: start; }
.guide-toc h2 { margin: 0 0 12px; color: #668377; font-family: var(--mono); font-size: 10px; letter-spacing: .1em; }
.guide-toc ol { margin: 0; padding: 0 0 0 18px; color: #829092; }
.guide-toc li { padding: 5px 0; font-size: 11px; }
.guide-toc a { color: #526175; text-decoration: none; }
.guide-toc a:hover { color: #1d7563; text-decoration: underline; }
.guide-content > p { color: #536176; font-size: 14px; }
.beginner-guide {
  margin: 24px 0;
  padding: 20px 22px;
  border: 1px solid #294650;
  border-left: 4px solid var(--teal);
  border-radius: 0 8px 8px 0;
  background: #0d171d;
}
.beginner-guide .eyebrow { margin-bottom: 7px; }
.guide-content .beginner-guide h2 { margin: 0 0 10px; padding: 0; border: 0; font-size: 21px; }
.beginner-guide p { margin-bottom: 9px; }
.beginner-guide p:last-of-type { margin-bottom: 5px; }
.learning-goals { margin: 0; padding-left: 20px; }
.learning-goals li { margin: 3px 0; }
.guide-illustration { margin: 22px 0 30px; }
.guide-illustration img { display: block; width: 100%; max-height: 390px; object-fit: contain; object-position: left center; border: 1px solid #273944; border-radius: 7px; background: #fff; }
.guide-illustration figcaption { margin-top: 8px; color: #8796a1; font-size: 11px; line-height: 1.6; }
.guide-illustration figcaption a { color: var(--teal); }
.guide-content h2 { margin: 38px 0 12px; padding-top: 11px; border-top: 1px solid var(--line); font-family: var(--display); font-size: 25px; letter-spacing: -.035em; }
.guide-content h3 { margin: 21px 0 7px; font-family: var(--display); font-size: 17px; }
.guide-content p, .guide-content li { color: #536176; font-size: 13px; }
.guide-content ul, .guide-content ol { padding-left: 21px; }
.guide-content li { margin: 5px 0; }
.guide-content strong { color: #243449; }
.resource-list { padding-left: 20px; }
.resource-list a { color: #176a58; font-weight: 600; text-underline-offset: 3px; }
.resource-list a:hover { color: #258c75; }
.resource-note { padding: 10px 13px; border-left: 2px solid #55bfdc; background: #0d171d; }
.section-resource { margin: 20px 0 0; font-size: 13px; }
.section-resource a { color: var(--teal); font-weight: 700; text-decoration: none; }
.section-resource a:hover { text-decoration: underline; }
.table-wrap { overflow-x: auto; margin: 18px 0 24px; }
.standards-table { width: 100%; min-width: 680px; border-collapse: collapse; }
.standards-table th, .standards-table td { padding: 12px; border: 1px solid #293943; color: #b2bec6; text-align: left; vertical-align: top; font-size: 12px; }
.standards-table thead th { color: var(--teal); background: #101c23; font-family: var(--mono); font-size: 10px; letter-spacing: .06em; }
.standards-table tbody th { min-width: 170px; color: #e4eef3; font-weight: 600; }
.standards-table a { color: var(--teal); text-underline-offset: 3px; }
.standards-table a:hover { color: #b2f2e5; }
.guide-content code { padding: 2px 5px; background: #e9eeeb; color: #256552; font-family: var(--mono); font-size: 11px; }
.callout, .lab, .checkpoint { margin: 17px 0; padding: 15px 18px; border-left: 3px solid #60a992; background: #eaf1ed; }
.callout p, .lab p, .checkpoint p { margin: 0; }
.callout strong, .lab strong, .checkpoint strong { display: block; margin-bottom: 4px; color: #276c5b; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; }
.lab { border-color: #7a98b4; background: #edf1f5; }
.lab strong { color: #496a8a; }
.checkpoint { border-color: #c9a656; background: #f4f0e5; }
.checkpoint strong { color: #856b2e; }
.guide-content pre { overflow-x: auto; margin: 12px 0; padding: 13px 16px; background: #172337; color: #d6e5de; font-family: var(--mono); font-size: 11px; line-height: 1.7; }
.guide-content pre code { padding: 0; background: transparent; color: inherit; }
.next-guide { margin-top: 45px; padding-top: 20px; border-top: 1px solid var(--line); }
.next-guide a { color: #176a58; font-weight: 700; text-decoration: none; }

@media (max-width: 760px) {
  .site-header { height: 64px; padding: 0 6%; }
  .header-link { font-size: 11px; }
  .hero { min-height: 0; padding: 55px 7% 48px; flex-direction: column; align-items: stretch; }
  .hero-note { width: 100%; flex-basis: auto; }
  .hero-grid { width: 75%; }
  .intro-row { padding: 26px 7%; grid-template-columns: 1fr; gap: 8px; }
  .section-wrap { padding: 48px 6% 55px; }
  .section-heading { align-items: start; flex-direction: column; gap: 10px; }
  .path-grid { grid-template-columns: 1fr; }
  .path-card { min-height: 0; }
  .path-card > p:not(.card-kicker) { min-height: 0; }
  .practice-band { margin: 0 6% 45px; padding: 20px; }
  .site-footer { padding: 16px 6%; flex-wrap: wrap; }
  .guide-hero { padding: 38px 7% 35px; }
  .guide-layout { padding: 30px 7% 55px; grid-template-columns: minmax(0, 1fr); gap: 25px; }
  .guide-toc { position: static; }
  .guide-toc ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; }
  .guide-toc li { min-width: 0; overflow-wrap: anywhere; }
  .guide-toc a { overflow-wrap: anywhere; }
}

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

/* Match the dark, cyan-accented visual language of the portfolio site. */
:root {
  color-scheme: dark;
  --ink: #eef7fb;
  --muted: #9ba9b5;
  --paper: #080c10;
  --white: #0c1218;
  --navy: #080c10;
  --teal: #78dcff;
  --line: #26313a;
}

body {
  background:
    radial-gradient(ellipse at 82% 12%, rgba(0, 107, 151, .12), transparent 34rem),
    var(--paper);
  color: var(--ink);
  font-family: var(--display);
}

.site-header {
  position: sticky;
  z-index: 5;
  top: 14px;
  width: min(1440px, calc(100% - 56px));
  height: 72px;
  margin: 18px auto 0;
  padding: 0 22px;
  border: 1px solid #26313a;
  border-radius: 999px;
  background: rgba(8, 12, 16, .92);
  box-shadow: 0 12px 36px rgba(0, 0, 0, .16);
  backdrop-filter: blur(18px);
}

.brand { color: #83ddff; font-size: 12px; letter-spacing: .12em; }
.brand-mark {
  width: auto;
  height: auto;
  color: inherit;
  background: transparent;
  font-family: var(--mono);
  font-size: 13px;
}
.brand-divider { color: #566470; }
.header-context { display: flex; align-items: center; gap: 10px; }
.header-nav { display: flex; align-items: center; gap: 10px; }
.header-context span {
  padding: 7px 12px;
  border: 1px solid #28333d;
  border-radius: 999px;
  color: #a4b0ba;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .045em;
  white-space: nowrap;
}
.header-link { color: #d0d8de; font-size: 12px; }
.standards-tab {
  padding: 9px 13px;
  border: 1px solid #344b58;
  border-radius: 999px;
  color: #c4d2da;
  font-family: var(--mono);
  font-size: 10px;
  text-decoration: none;
  white-space: nowrap;
}
.technology-tab {
  padding: 9px 13px;
  border: 1px solid #344b58;
  border-radius: 999px;
  color: #c4d2da;
  font-family: var(--mono);
  font-size: 10px;
  text-decoration: none;
  white-space: nowrap;
}
.standards-short-label { display: none; }
.technology-short-label { display: none; }
.standards-tab:hover, .standards-tab[aria-current="page"],
.technology-tab:hover, .technology-tab[aria-current="page"] {
  border-color: rgba(120, 220, 255, .62);
  color: var(--teal);
  background: rgba(75, 194, 239, .1);
}

.hero {
  min-height: 490px;
  margin-top: -90px;
  padding: 155px max(9%, calc((100% - 1220px) / 2)) 75px;
  background:
    radial-gradient(ellipse at 78% 68%, rgba(0, 133, 191, .17), transparent 33%),
    linear-gradient(115deg, #080c10 48%, #09121a);
}
.hero::after {
  position: absolute;
  top: 7%;
  right: -9%;
  width: 54vw;
  height: 54vw;
  max-width: 710px;
  max-height: 710px;
  border: 1px solid rgba(75, 194, 239, .18);
  border-radius: 50%;
  box-shadow: 0 0 0 48px rgba(75, 194, 239, .025), 0 0 0 110px rgba(75, 194, 239, .02), inset 0 0 90px rgba(0, 144, 201, .08);
  content: "";
  pointer-events: none;
}
.hero-copy { max-width: 680px; }
.hero .eyebrow, .eyebrow { color: #7ad9fa; }
h1 { font-weight: 600; }
.hero-description { color: #a4b0ba; }
.button {
  border: 1px solid rgba(120, 220, 255, .5);
  border-radius: 4px;
  color: #071016;
  background: var(--teal);
  transition: background .2s ease, transform .2s ease;
}
.button:hover { transform: translateY(-2px); background: #a2eaff; }
.hero-note {
  border: 1px solid #2b3a45;
  border-radius: 10px;
  background: rgba(12, 20, 27, .88);
}
.hero-grid {
  width: 44%;
  opacity: .25;
  background-image: linear-gradient(rgba(72, 145, 174, .22) 1px, transparent 1px), linear-gradient(90deg, rgba(72, 145, 174, .22) 1px, transparent 1px);
  mask-image: linear-gradient(90deg, transparent, black);
}
.intro-row { border-color: var(--line); background: transparent; }
.intro-row > p:last-child, .section-heading > p { color: #a4b0ba; }
.path-card {
  border-color: #26313a;
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(15, 22, 29, .96), rgba(9, 14, 19, .96));
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.path-card:hover { transform: translateY(-4px); border-color: #4a9dbb; background: #0d171e; }
.path-card .card-kicker { color: #8295a2; }
.card-index, .topic-list li::before { color: var(--teal); }
.card-symbol { color: #8295a2; }
.path-card > p:not(.card-kicker), .topic-list li { color: #a4b0ba; }
.text-link { border-color: var(--line); color: var(--teal); }
.practice-band { border: 1px solid #263942; border-radius: 10px; background: #0c151b; }
.practice-icon { border-color: #39809a; color: var(--teal); }
.practice-band p:last-child { color: #a4b0ba; }
.site-footer { border-color: var(--line); color: #8796a1; }
.site-footer .brand { color: #83ddff; }

.guide-hero {
  position: relative;
  overflow: hidden;
  margin-top: -90px;
  padding: 145px max(7.2%, calc((100% - 1120px) / 2)) 52px;
  border-bottom: 1px solid #25313a;
  background:
    radial-gradient(ellipse at 84% 60%, rgba(0, 129, 183, .15), transparent 34%),
    #080c10;
}
.guide-hero::after {
  position: absolute;
  top: -270px;
  right: -90px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(75, 194, 239, .14);
  border-radius: 50%;
  box-shadow: 0 0 0 45px rgba(75, 194, 239, .025), 0 0 0 100px rgba(75, 194, 239, .018);
  content: "";
  pointer-events: none;
}
.guide-hero > * { position: relative; z-index: 1; }
.guide-hero h1 { color: #eef7fb; }
.guide-hero > p:last-child { color: #a4b0ba; }
.breadcrumbs { color: #8796a1; }
.guide-layout { gap: 56px; }
.guide-toc h2 { color: var(--teal); }
.guide-toc ol { color: #8796a1; }
.guide-toc a { color: #aab6bf; }
.guide-toc a:hover { color: var(--teal); }
.guide-content > p, .guide-content p, .guide-content li { color: #b2bec6; }
.guide-content h2 { border-color: var(--line); color: #eef7fb; }
.guide-content h3, .guide-content strong { color: #e4eef3; }
.resource-list a { color: var(--teal); }
.resource-list a:hover { color: #b2f2e5; }
.guide-content code { background: #14212a; color: #8be2ff; }
.callout, .lab, .checkpoint {
  border: 1px solid #263b45;
  border-left: 3px solid #55bfdc;
  border-radius: 0 7px 7px 0;
  background: #0d171d;
}
.callout strong, .lab strong, .checkpoint strong { color: var(--teal); }
.lab { border-color: #293b49; border-left-color: #78a9d1; background: #0d151d; }
.lab strong { color: #9fc8eb; }
.checkpoint { border-color: #413b2c; border-left-color: #c9a656; background: #17150f; }
.checkpoint strong { color: #e3c46f; }
.guide-content pre { border: 1px solid #273944; border-radius: 7px; background: #0c151c; }
.next-guide { border-color: var(--line); }
.next-guide a { color: var(--teal); }

@media (max-width: 760px) {
  .site-header {
    top: 8px;
    width: calc(100% - 24px);
    height: 60px;
    margin-top: 10px;
    padding: 0 14px;
  }
  .brand { gap: 6px; font-size: 10px; }
  .header-context { display: none; }
  .header-nav { gap: 0; }
  .header-link { display: none; }
  .standards-tab, .technology-tab { padding: 8px 9px; font-size: 9px; }
  .standards-full-label { display: none; }
  .standards-short-label { display: inline; }
  .technology-full-label { display: none; }
  .technology-short-label { display: inline; }
  .site-header .brand-divider, .site-header .brand-name { display: none; }
  .hero { margin-top: -70px; padding: 125px 7% 48px; }
  .hero::after { top: 20%; right: -40%; width: 90vw; height: 90vw; }
  .guide-hero { margin-top: -70px; padding: 120px 7% 35px; }
  .guide-hero::after { right: -330px; }
  .intro-row { background: transparent; }
  .path-grid { grid-template-columns: 1fr; }
  .practice-band { background: #0c151b; }
}

@media (min-width: 761px) and (max-width: 900px) {
  .site-header { width: calc(100% - 24px); padding: 0 14px; }
  .header-context { display: none; }
  .header-nav { gap: 4px; }
  .header-link { font-size: 10px; }
  .standards-tab, .technology-tab { padding: 8px 10px; font-size: 9px; }
  .standards-full-label { display: none; }
  .standards-short-label { display: inline; }
  .technology-full-label { display: none; }
  .technology-short-label { display: inline; }
}

@media (min-width: 901px) and (max-width: 1100px) {
  .header-context { display: none; }
  .header-nav { gap: 6px; }
  .header-link { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .button, .path-card { transition: none; }
  .button:hover, .path-card:hover { transform: none; }
}

a:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; }
