@layer components;
@layer properties {
  @supports (((-webkit-hyphens: none)) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color: rgb(from red r g b)))) {
  *, ::before, ::after, ::backdrop { --tw-rotate-x: initial; --tw-rotate-y: initial; --tw-rotate-z: initial; --tw-skew-x: initial; --tw-skew-y: initial; --tw-blur: initial; --tw-brightness: initial; --tw-contrast: initial; --tw-grayscale: initial; --tw-hue-rotate: initial; --tw-invert: initial; --tw-opacity: initial; --tw-saturate: initial; --tw-sepia: initial; --tw-drop-shadow: initial; --tw-drop-shadow-color: initial; --tw-drop-shadow-alpha: 100%; --tw-drop-shadow-size: initial; }
}
}
@layer theme {
  :root, :host { --font-sans: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji",
      "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
      "Courier New", monospace; --spacing: .25rem; --default-font-family: var(--font-sans); --default-mono-font-family: var(--font-mono); }
}
@layer base {
  *, ::after, ::before, ::backdrop { box-sizing: border-box; border: 0px solid; margin: 0px; padding: 0px; }
  ::file-selector-button { box-sizing: border-box; border: 0px solid; margin: 0px; padding: 0px; }
  html, :host { text-size-adjust: 100%; tab-size: 4; line-height: 1.5; font-family: var(--default-font-family, ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"); font-feature-settings: var(--default-font-feature-settings, normal); font-variation-settings: var(--default-font-variation-settings, normal); -webkit-tap-highlight-color: transparent; }
  hr { height: 0px; color: inherit; border-top-width: 1px; }
  abbr:where([title]) { text-decoration: underline dotted; }
  h1, h2, h3, h4, h5, h6 { font-size: inherit; font-weight: inherit; }
  a { color: inherit; text-decoration: inherit; }
  b, strong { font-weight: bolder; }
  code, kbd, samp, pre { font-family: var(--default-mono-font-family, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace); font-feature-settings: var(--default-mono-font-feature-settings, normal); font-variation-settings: var(--default-mono-font-variation-settings, normal); font-size: 1em; }
  small { font-size: 80%; }
  sub, sup { vertical-align: baseline; font-size: 75%; line-height: 0; position: relative; }
  sub { bottom: -0.25em; }
  sup { top: -0.5em; }
  table { text-indent: 0px; border-color: inherit; border-collapse: collapse; }
  progress { vertical-align: baseline; }
  summary { display: list-item; }
  ol, ul, menu { list-style: none; }
  img, svg, video, canvas, audio, iframe, embed, object { vertical-align: middle; display: block; }
  img, video { max-width: 100%; height: auto; }
  button, input, select, optgroup, textarea { font: inherit; letter-spacing: inherit; color: inherit; opacity: 1; background-color: rgba(0, 0, 0, 0); border-radius: 0px; }
  ::file-selector-button { font: inherit; letter-spacing: inherit; color: inherit; opacity: 1; background-color: rgba(0, 0, 0, 0); border-radius: 0px; }
  :where(select:is([multiple], [size])) optgroup { font-weight: bolder; }
  :where(select:is([multiple], [size])) optgroup option { padding-inline-start: 20px; }
  ::file-selector-button { margin-inline-end: 4px; }
  ::placeholder { opacity: 1; }
  @supports (not ((-webkit-appearance: -apple-pay-button))) or (contain-intrinsic-size: 1px) {
  ::placeholder { color: currentcolor; }
  @supports (color: color-mix(in lab, red, red)) {
  ::placeholder { color: color-mix(currentcolor, transparent); }
}
}
  textarea { resize: vertical; }
  ::-webkit-search-decoration { appearance: none; }
  ::-webkit-date-and-time-value { min-height: 1lh; text-align: inherit; }
  ::-webkit-datetime-edit { display: inline-flex; }
  ::-webkit-datetime-edit-fields-wrapper { padding: 0px; }
  ::-webkit-datetime-edit { padding-block: 0px; }
  ::-webkit-datetime-edit-year-field { padding-block: 0px; }
  ::-webkit-datetime-edit-month-field { padding-block: 0px; }
  ::-webkit-datetime-edit-day-field { padding-block: 0px; }
  ::-webkit-datetime-edit-hour-field { padding-block: 0px; }
  ::-webkit-datetime-edit-minute-field { padding-block: 0px; }
  ::-webkit-datetime-edit-second-field { padding-block: 0px; }
  ::-webkit-datetime-edit-millisecond-field { padding-block: 0px; }
  ::-webkit-datetime-edit-meridiem-field { padding-block: 0px; }
  ::-webkit-calendar-picker-indicator { line-height: 1; }
  button, input:where([type="button"], [type="reset"], [type="submit"]) { appearance: button; }
  ::file-selector-button { appearance: button; }
  ::-webkit-inner-spin-button { height: auto; }
  ::-webkit-outer-spin-button { height: auto; }
  [hidden]:where(:not([hidden="until-found"])) { display: none !important; }
}
@layer utilities {
  .fixed { position: fixed; }
  .start { inset-inline-start: var(--spacing); }
  .container { width: 100%; }
  @media (min-width: 40rem) {
  .container { max-width: 40rem; }
}
  @media (min-width: 48rem) {
  .container { max-width: 48rem; }
}
  @media (min-width: 64rem) {
  .container { max-width: 64rem; }
}
  @media (min-width: 80rem) {
  .container { max-width: 80rem; }
}
  @media (min-width: 96rem) {
  .container { max-width: 96rem; }
}
  .grid { display: grid; }
  .hidden { display: none; }
  .inline { display: inline; }
  .transform { transform: var(--tw-rotate-x, ) var(--tw-rotate-y, ) var(--tw-rotate-z, ) var(--tw-skew-x, ) var(--tw-skew-y, ); }
  .filter { filter: var(--tw-blur, ) var(--tw-brightness, ) var(--tw-contrast, ) var(--tw-grayscale, ) var(--tw-hue-rotate, ) var(--tw-invert, ) var(--tw-saturate, ) var(--tw-sepia, ) var(--tw-drop-shadow, ); }
}
:root { --navy: #092b55; --navy-deep: #061f3f; --blue: #176bcb; --blue-light: #eaf4ff; --sky: #65b8ef; --ink: #132a43; --muted: #63758a; --line: #dce6ef; --paper: #fff; --soft: #f4f8fb; --radius: 18px; color: var(--ink); background: var(--paper); font-synthesis: none; font-family: Manrope, sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--paper); min-width: 320px; margin: 0px; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, 100% - 40px); margin-inline: auto; }
.topline { background: var(--navy-deep); color: rgb(214, 232, 249); letter-spacing: 0.025em; font-size: 11px; }
.topline-inner { justify-content: space-between; align-items: center; height: 34px; display: flex; }
.topline a, .footer a, .text-link, .card-link { align-items: center; gap: 7px; display: inline-flex; }
.site-header { z-index: 50; border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); background: rgba(255, 255, 255, 0.96); position: sticky; top: 0px; }
.nav-shell { justify-content: space-between; align-items: center; height: 80px; display: flex; }
.brand { align-items: center; gap: 13px; display: flex; }
.brand img { object-fit: contain; width: 40px; height: 49px; }
.brand span { flex-direction: column; display: flex; }
.brand b { color: var(--navy); letter-spacing: -0.02em; font-size: 14px; }
.brand small { color: var(--muted); letter-spacing: 0.04em; margin-top: 3px; font-size: 10px; }
.main-nav { align-items: center; gap: 30px; height: 100%; display: flex; }
.main-nav a { color: rgb(76, 94, 114); align-items: center; height: 100%; font-size: 13px; font-weight: 600; display: flex; position: relative; }
.main-nav a::after { content: ""; background: var(--blue); height: 2px; transition: 0.2s; position: absolute; inset: auto 50% 0px; }
.main-nav a:hover, .main-nav a.active { color: var(--navy); }
.main-nav a.active::after { inset-inline: 0px; }
.menu-btn { color: var(--navy); background: none; border: 0px; padding: 8px; display: none; }
.hero { background: linear-gradient(125deg, rgb(247, 251, 255) 0%, rgb(237, 246, 255) 55%, rgb(249, 252, 255) 100%); padding: 74px 0px 82px; position: relative; overflow: hidden; }
.hero-grid-bg { opacity: 0.35; background-image: linear-gradient(rgb(185, 212, 234) 1px, rgba(0, 0, 0, 0) 1px), linear-gradient(90deg, rgb(185, 212, 234) 1px, rgba(0, 0, 0, 0) 1px); background-size: 50px 50px; position: absolute; inset: 0px; mask-image: linear-gradient(to right, rgb(0, 0, 0), rgba(0, 0, 0, 0) 75%); }
.hero-grid { grid-template-columns: 1fr 0.95fr; align-items: center; gap: 70px; display: grid; position: relative; }
.eyebrow-pill { color: var(--navy); letter-spacing: 0.09em; text-transform: uppercase; background: rgb(255, 255, 255); border: 1px solid rgb(214, 232, 247); border-radius: 999px; align-items: center; gap: 9px; padding: 8px 12px; font-size: 10px; font-weight: 800; display: inline-flex; }
.eyebrow-pill span { background: var(--blue); width: 7px; height: 7px; box-shadow: 0 0 0 4px var(--blue-light); border-radius: 50%; }
.hero h1 { color: var(--navy-deep); letter-spacing: -0.055em; margin: 24px 0px 18px; font-size: clamp(44px, 5.2vw, 74px); line-height: 0.99; }
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-copy > p { color: rgb(81, 102, 124); max-width: 600px; margin: 0px; font-size: 18px; line-height: 1.7; }
.hero-actions { flex-wrap: wrap; gap: 12px; margin-top: 30px; display: flex; }
.btn { border: 0px; border-radius: 10px; justify-content: center; align-items: center; gap: 10px; padding: 13px 18px; font-size: 13px; font-weight: 700; transition: transform 0.2s, box-shadow 0.2s; display: inline-flex; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { color: rgb(255, 255, 255); background: var(--blue); box-shadow: rgba(23, 107, 203, 0.24) 0px 8px 24px; }
.btn.secondary { color: var(--navy); background: rgb(255, 255, 255); border: 1px solid rgb(202, 218, 232); }
.btn.light { color: var(--navy); white-space: nowrap; background: rgb(255, 255, 255); }
.hero-stats { gap: 33px; margin-top: 45px; display: flex; }
.hero-stats div { border-right: 1px solid rgb(205, 221, 235); align-items: center; gap: 10px; padding-right: 28px; display: flex; }
.hero-stats div:last-child { border: 0px; }
.hero-stats b { color: var(--navy); font-size: 23px; }
.hero-stats span { color: var(--muted); font-size: 10px; line-height: 1.45; }
.hero-visual { padding: 18px 12px 28px 28px; position: relative; }
.hero-image { border-radius: 140px 24px 100px; height: 470px; overflow: hidden; box-shadow: rgba(18, 58, 92, 0.23) 0px 24px 60px; }
.hero-image img { object-fit: cover; width: 100%; height: 100%; }
.photo-credit { color: rgba(255, 255, 255, 0.7); font-size: 8px; position: absolute; bottom: 39px; right: 28px; }
.code-card { color: rgb(225, 241, 255); backdrop-filter: blur(8px); background: rgba(7, 31, 58, 0.92); border-radius: 12px; width: 180px; padding: 14px; position: absolute; top: 0px; right: -12px; box-shadow: rgba(0, 0, 0, 0.25) 0px 18px 40px; }
.code-card > div { gap: 5px; margin-bottom: 10px; display: flex; }
.code-card i { background: rgb(239, 124, 124); border-radius: 50%; width: 6px; height: 6px; }
.code-card i:nth-child(2) { background: rgb(242, 197, 100); }
.code-card i:nth-child(3) { background: rgb(117, 211, 154); }
.code-card code { font-size: 10px; line-height: 1.8; }
.code-card code span { color: rgb(118, 199, 255); }
.code-card code b { color: rgb(143, 221, 169); }
.hero-badge { color: var(--blue); background: rgb(255, 255, 255); border-radius: 12px; align-items: center; gap: 11px; padding: 13px 17px; display: flex; position: absolute; bottom: 3px; left: -2px; box-shadow: rgba(19, 56, 87, 0.18) 0px 12px 35px; }
.hero-badge span { color: var(--muted); flex-direction: column; font-size: 10px; display: flex; }
.hero-badge b { color: var(--navy); font-size: 12px; }
.section { padding: 92px 0px; }
.section.soft { background: var(--soft); }
.section-title { max-width: 650px; }
.section-title.center { text-align: center; margin-inline: auto; }
.section-title > span, .page-hero .container > span, .cta-inner > div > span, .final-cta > div > span { color: var(--blue); letter-spacing: 0.16em; text-transform: uppercase; font-size: 10px; font-weight: 800; }
.section-title h2 { color: var(--navy-deep); letter-spacing: -0.04em; margin: 11px 0px 13px; font-size: clamp(30px, 3.5vw, 45px); line-height: 1.12; }
.section-title p, .body-copy { color: var(--muted); font-size: 14px; line-height: 1.75; }
.about-grid { grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 85px; display: grid; }
.check-grid { grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; display: grid; }
.check-grid span { color: var(--navy); font-size: 13px; font-weight: 700; }
.check-grid span::before { content: "✓"; color: rgb(255, 255, 255); background: var(--blue); border-radius: 50%; place-items: center; width: 21px; height: 21px; margin-right: 9px; font-size: 11px; display: inline-grid; }
.about-panel { background: var(--navy); color: rgb(255, 255, 255); border-radius: 28px 28px 100px; min-height: 360px; padding: 48px; position: relative; overflow: hidden; }
.ghost-code { color: rgba(255, 255, 255, 0.04); font-size: 170px; font-weight: 800; position: absolute; top: -40px; right: -20px; }
.about-panel blockquote { margin: 20px 0px 80px; font-size: 23px; font-weight: 600; line-height: 1.55; position: relative; }
.about-metric { color: rgb(169, 194, 216); align-items: baseline; gap: 10px; font-size: 12px; display: flex; }
.about-metric b, .about-metric strong { color: rgb(255, 255, 255); }
.about-metric strong { font-size: 17px; }
.skill-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; display: grid; }
.skill-card { border: 1px solid var(--line); border-radius: var(--radius); background: rgb(255, 255, 255); padding: 30px; transition: 0.25s; position: relative; }
.skill-card:hover { border-color: rgb(185, 213, 237); transform: translateY(-5px); box-shadow: rgba(28, 71, 108, 0.09) 0px 18px 40px; }
.number { color: rgb(199, 212, 223); font-size: 10px; font-weight: 800; position: absolute; top: 18px; right: 20px; }
.icon-box, .cta-icon { background: var(--blue-light); width: 45px; height: 45px; color: var(--blue); border-radius: 12px; place-items: center; display: grid; }
.skill-card h3 { color: var(--navy); margin: 24px 0px 8px; font-size: 16px; }
.skill-card p, .project-card p, .blog-card p, .lesson-card p { color: var(--muted); font-size: 12px; line-height: 1.7; }
.subjects-wrap > .section-title { text-align: center; margin-inline: auto; }
.year-tabs { border-bottom: 1px solid var(--line); grid-template-columns: repeat(4, 1fr); margin-top: 40px; display: grid; }
.year-tabs button { color: var(--muted); background: none; border-width: 0px 0px 3px; border-style: none none solid; border-color: currentcolor currentcolor rgba(0, 0, 0, 0); border-image: none; padding: 17px; font-weight: 700; }
.year-tabs button b { color: rgb(179, 192, 205); margin-right: 9px; font-size: 10px; }
.year-tabs button.active { color: var(--blue); border-color: var(--blue); }
.subject-panel { background: var(--navy); color: rgb(255, 255, 255); border-radius: 20px; grid-template-columns: 0.75fr 1.25fr; gap: 65px; margin-top: 30px; padding: 44px; display: grid; }
.class-label { color: var(--sky); text-transform: uppercase; font-size: 10px; font-weight: 800; }
.subject-panel h3 { margin: 10px 0px; font-size: 26px; }
.subject-panel p { color: rgb(168, 193, 216); font-size: 12px; line-height: 1.7; }
.subject-panel ul { margin: 0px; padding: 0px; list-style: none; }
.subject-panel li { border-bottom: 1px solid rgba(255, 255, 255, 0.12); grid-template-columns: 35px 1fr auto; align-items: center; padding: 12px 0px; font-size: 13px; display: grid; }
.subject-panel li span { color: rgb(109, 148, 182); font-size: 9px; }
.practice { background: var(--navy-deep); color: rgb(255, 255, 255); }
.practice-grid { grid-template-columns: 1fr 1fr; align-items: center; gap: 70px; display: grid; }
.practice .section-title h2 { color: rgb(255, 255, 255); }
.practice .section-title p { color: rgb(170, 192, 212); }
.practice-image { height: 480px; position: relative; }
.practice-image img { object-fit: cover; border-radius: 22px; width: 100%; height: 100%; }
.practice-image > div { background: rgba(6, 31, 63, 0.9); border-radius: 12px; flex-direction: column; padding: 16px 18px; display: flex; position: absolute; inset: auto 20px 20px; }
.practice-image span { color: rgb(168, 196, 220); margin-top: 3px; font-size: 10px; }
.practice-list { gap: 13px; margin-top: 27px; display: grid; }
.practice-list > div { border: 1px solid rgba(255, 255, 255, 0.13); border-radius: 12px; gap: 15px; padding: 17px; display: flex; }
.practice-list svg { color: var(--sky); }
.practice-list span { flex-direction: column; display: flex; }
.practice-list small { color: rgb(157, 181, 202); margin-top: 5px; }
.title-row { justify-content: space-between; align-items: flex-end; margin-bottom: 38px; display: flex; }
.text-link, .card-link { color: var(--blue); font-size: 12px; font-weight: 800; }
.project-grid, .blog-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; display: grid; }
.project-card, .blog-card { border: 1px solid var(--line); border-radius: var(--radius); background: rgb(255, 255, 255); transition: 0.25s; overflow: hidden; }
.project-card:hover, .blog-card:hover { transform: translateY(-4px); box-shadow: rgba(26, 68, 104, 0.1) 0px 16px 35px; }
.project-img, .blog-img { height: 210px; position: relative; overflow: hidden; }
.project-img img, .blog-img img { object-fit: cover; width: 100%; height: 100%; transition: 0.4s; }
.project-card:hover img, .blog-card:hover img { transform: scale(1.04); }
.project-img > span, .blog-img > span { color: var(--navy); text-transform: uppercase; background: rgb(255, 255, 255); border-radius: 6px; padding: 6px 9px; font-size: 9px; font-weight: 800; position: absolute; top: 14px; left: 14px; }
.project-body, .blog-body { padding: 22px; }
.project-body h3, .blog-body h3 { color: var(--navy); margin: 0px 0px 9px; font-size: 17px; line-height: 1.35; }
.tags { flex-wrap: wrap; gap: 6px; margin: 15px 0px; display: flex; }
.tags span { background: var(--blue-light); color: var(--blue); border-radius: 5px; padding: 5px 8px; font-size: 9px; font-weight: 700; }
.card-link, .blog-card button { background: none; border: 0px; padding: 0px; }
.blog-body time { color: rgb(128, 144, 160); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 9px; font-size: 9px; display: block; }
.classroom-cta { background: var(--blue); padding: 55px 0px; }
.cta-inner { color: rgb(255, 255, 255); grid-template-columns: auto 1fr auto; align-items: center; gap: 22px; display: grid; }
.cta-icon { color: rgb(255, 255, 255); background: rgba(255, 255, 255, 0.14); width: 62px; height: 62px; }
.cta-inner > div > span { color: rgb(169, 215, 255); }
.cta-inner h2 { margin: 6px 0px; font-size: 29px; }
.cta-inner p { color: rgb(201, 227, 251); margin: 0px; font-size: 12px; }
.final-cta { text-align: center; color: rgb(255, 255, 255); background: linear-gradient(rgba(5, 29, 57, 0.91), rgba(5, 29, 57, 0.94)), url("https://images.unsplash.com/photo-1629904853893-c2c8981a1dc5?auto=format&fit=crop&w=1800&q=80") center center / cover; padding: 90px 0px; }
.final-cta h2 { margin: 14px 0px; font-size: clamp(34px, 4.5vw, 54px); line-height: 1.1; }
.final-cta p { color: rgb(197, 212, 225); margin-bottom: 28px; font-size: 13px; }
.page-hero { background: var(--navy-deep); color: rgb(255, 255, 255); padding: 75px 0px; position: relative; overflow: hidden; }
.page-hero .container { position: relative; }
.page-hero h1 { letter-spacing: -0.045em; max-width: 850px; margin: 12px 0px; font-size: clamp(39px, 5vw, 65px); line-height: 1.08; }
.page-hero p { color: rgb(190, 208, 224); max-width: 710px; font-size: 15px; line-height: 1.75; }
.page-orbit { border: 1px solid rgba(101, 184, 239, 0.2); border-radius: 50%; width: 520px; height: 520px; position: absolute; top: -250px; right: -90px; box-shadow: rgba(101, 184, 239, 0.024) 0px 0px 0px 65px, rgba(101, 184, 239, 0.024) 0px 0px 0px 130px; }
.featured-post { background: var(--soft); border-radius: 22px; grid-template-columns: 1.15fr 0.85fr; min-height: 410px; display: grid; overflow: hidden; }
.featured-post > div:first-child img { object-fit: cover; width: 100%; height: 100%; }
.featured-post > div:last-child { align-self: center; padding: 45px; }
.featured-post span { color: var(--blue); letter-spacing: 0.1em; font-size: 9px; font-weight: 800; }
.featured-post h2 { color: var(--navy); font-size: 30px; line-height: 1.25; }
.featured-post p { color: var(--muted); font-size: 13px; line-height: 1.7; }
.featured-post .btn { margin-top: 15px; }
.content-toolbar, .platform-toolbar { align-items: center; gap: 18px; margin: 46px 0px 30px; display: flex; }
.content-toolbar { flex-direction: column; align-items: stretch; }
.search { border: 1px solid var(--line); color: rgb(137, 153, 168); background: rgb(255, 255, 255); border-radius: 10px; align-items: center; gap: 10px; max-width: 360px; padding: 11px 14px; display: flex; }
.search input { width: 100%; color: var(--ink); background: none; border: 0px; outline: 0px; font-size: 12px; }
.filter-row { flex-wrap: wrap; gap: 7px; display: flex; }
.filter-row button { border: 1px solid var(--line); color: rgb(93, 110, 126); background: rgb(255, 255, 255); border-radius: 8px; padding: 9px 13px; font-size: 10px; font-weight: 700; }
.filter-row button.active { background: var(--navy); border-color: var(--navy); color: rgb(255, 255, 255); }
.empty { text-align: center; color: var(--muted); padding: 50px; }
.article-page { padding-top: 40px; }
.article-wrap { max-width: 900px; }
.back-link { color: var(--blue); background: none; border: 0px; margin-bottom: 25px; font-size: 12px; font-weight: 700; }
.article-cover { object-fit: cover; border-radius: 20px; width: 100%; height: 480px; }
.article-content { max-width: 720px; margin: 40px auto; }
.article-content p { color: rgb(77, 97, 117); font-size: 14px; line-height: 1.9; }
.article-content .lead { color: var(--navy); font-size: 18px; font-weight: 600; }
.article-content h2 { color: var(--navy); margin-top: 36px; font-size: 27px; }
.article-content blockquote { border-left: 4px solid var(--blue); background: var(--soft); color: var(--navy); margin: 30px 0px; padding: 25px 30px; font-size: 17px; line-height: 1.7; }
.platform-toolbar { background: rgb(255, 255, 255); border-radius: 14px; justify-content: center; margin-top: -28px; padding: 19px; position: relative; box-shadow: rgba(15, 54, 88, 0.12) 0px 16px 45px; }
.search.wide { flex: 1 1 0%; max-width: none; }
.platform-toolbar label { text-transform: uppercase; color: var(--muted); font-size: 9px; font-weight: 800; }
.platform-toolbar select, .doc-toolbar select { border: 1px solid var(--line); color: var(--navy); background: rgb(255, 255, 255); border-radius: 7px; margin-top: 4px; padding: 8px 30px 8px 10px; font-size: 11px; display: block; }
.resource-note { color: var(--muted); justify-content: center; align-items: center; gap: 10px; margin: 30px 0px; font-size: 11px; display: flex; }
.resource-note svg { color: var(--blue); }
.resource-note b { color: var(--navy); margin-right: 6px; }
.lesson-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; display: grid; }
.lesson-card { border: 1px solid var(--line); border-radius: var(--radius); background: rgb(255, 255, 255); padding: 27px; }
.lesson-icon { background: var(--blue-light); width: 49px; height: 49px; color: var(--blue); border-radius: 13px; place-items: center; margin-bottom: 22px; display: grid; }
.tone-1 { color: rgb(64, 131, 75); background: rgb(238, 247, 237); }
.tone-2 { color: rgb(184, 117, 25); background: rgb(255, 244, 228); }
.tone-3 { color: rgb(118, 86, 173); background: rgb(242, 237, 251); }
.lesson-level { color: rgb(123, 139, 153); text-transform: uppercase; font-size: 9px; font-weight: 800; }
.lesson-card h2 { color: var(--navy); margin: 9px 0px; font-size: 19px; }
.lesson-meta { color: rgb(140, 154, 167); gap: 7px; margin: 18px 0px; font-size: 9px; display: flex; }
.lesson-card button { color: var(--blue); background: none; border: 0px; align-items: center; gap: 8px; padding: 0px; font-size: 11px; font-weight: 800; display: flex; }
.lesson-drawer { border: 1px solid var(--line); background: var(--soft); border-radius: 18px; margin-top: 25px; overflow: hidden; }
.drawer-head { background: var(--navy); color: rgb(255, 255, 255); justify-content: space-between; padding: 30px; display: flex; }
.drawer-head span { color: var(--sky); font-size: 9px; font-weight: 800; }
.drawer-head h2 { margin: 6px 0px; }
.drawer-head p { color: rgb(184, 204, 222); font-size: 11px; }
.drawer-head button { color: rgb(255, 255, 255); background: rgba(255, 255, 255, 0.1); border: 0px; border-radius: 8px; align-self: flex-start; padding: 7px; }
.lesson-list { padding: 10px 25px; }
.lesson-list > div { border-bottom: 1px solid var(--line); grid-template-columns: 35px 30px 1fr auto 25px; align-items: center; padding: 17px 5px; font-size: 11px; display: grid; }
.lesson-list > div:last-child { border: 0px; }
.lesson-list span, .lesson-list small { color: var(--muted); }
.lesson-list > div > svg { color: var(--blue); }
.feature-strip { grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 35px; display: grid; }
.feature-strip > div { text-align: center; padding: 25px; }
.feature-strip svg { color: var(--blue); margin: 0px auto 14px; }
.feature-strip b, .feature-strip span { display: block; }
.feature-strip b { color: var(--navy); font-size: 13px; }
.feature-strip span { color: var(--muted); margin-top: 4px; font-size: 10px; }
.portfolio-intro { align-items: center; gap: 22px; max-width: 600px; margin-bottom: 35px; display: flex; }
.portfolio-intro > div { align-items: center; gap: 10px; display: flex; }
.portfolio-intro b { color: var(--blue); font-size: 38px; }
.portfolio-intro span, .portfolio-intro p { color: var(--muted); font-size: 11px; line-height: 1.6; }
.portfolio-intro p { border-left: 1px solid var(--line); padding-left: 22px; }
.portfolio-filters { margin-bottom: 30px; }
.project-detail > .back-link { display: block; }
.project-gallery { grid-template-columns: 2fr 1fr; gap: 12px; height: 500px; display: grid; }
.project-gallery > img, .project-gallery > div img { object-fit: cover; border-radius: 15px; width: 100%; height: 100%; }
.project-gallery > div { grid-template-rows: 1fr 1fr; gap: 12px; display: grid; overflow: hidden; }
.detail-grid { grid-template-columns: 1fr 300px; gap: 80px; margin-top: 55px; display: grid; }
.detail-grid aside { background: var(--soft); border-radius: 15px; padding: 28px; }
.detail-grid aside > span, .detail-grid aside > b { display: block; }
.detail-grid aside > span { color: var(--muted); text-transform: uppercase; margin: 12px 0px 5px; font-size: 9px; font-weight: 800; }
.detail-grid aside > b { color: var(--navy); font-size: 12px; }
.detail-grid aside hr { border-right: 0px; border-bottom: 0px; border-left: 0px; border-image: none; border-top: 1px solid var(--line); margin: 20px 0px; }
.detail-grid aside .btn { width: 100%; margin-top: 25px; }
.maturity-grid { grid-template-columns: 1fr 300px; gap: 45px; display: grid; }
.info-banner { background: rgb(255, 247, 233); border: 1px solid rgb(243, 220, 174); border-radius: 14px; gap: 18px; margin-bottom: 55px; padding: 24px; display: flex; }
.info-banner > span { color: rgb(255, 255, 255); background: rgb(232, 167, 45); border-radius: 5px; align-self: flex-start; padding: 5px 8px; font-size: 8px; font-weight: 800; }
.info-banner h2 { color: var(--navy); margin: 0px; font-size: 16px; }
.info-banner p { color: rgb(120, 109, 93); margin: 7px 0px 0px; font-size: 11px; line-height: 1.6; }
.doc-toolbar { justify-content: space-between; gap: 15px; margin: 28px 0px; display: flex; }
.document-list { gap: 10px; display: grid; }
.document-list article { border: 1px solid var(--line); border-radius: 12px; grid-template-columns: 55px 1fr auto; align-items: center; gap: 17px; padding: 17px; display: grid; }
.file-icon { color: rgb(201, 71, 71); background: rgb(255, 240, 240); border-radius: 10px; place-items: center; height: 54px; display: grid; }
.file-icon small { font-size: 7px; font-weight: 800; }
.file-icon.docx { color: rgb(50, 112, 185); background: rgb(234, 243, 255); }
.file-icon.zip { color: rgb(113, 81, 160); background: rgb(241, 237, 251); }
.document-list article > div:nth-child(2) > span { color: var(--blue); text-transform: uppercase; font-size: 8px; font-weight: 800; }
.document-list h3 { color: var(--navy); margin: 3px 0px; font-size: 13px; }
.document-list p { color: var(--muted); margin: 0px; font-size: 10px; }
.document-list button { background: var(--blue-light); color: var(--blue); border: 0px; border-radius: 7px; align-items: center; gap: 7px; padding: 9px 11px; font-size: 9px; font-weight: 800; display: flex; }
.maturity-aside > div { background: var(--navy); color: rgb(255, 255, 255); border-radius: 15px; margin-bottom: 15px; padding: 25px; }
.maturity-aside > div > span { color: var(--sky); font-size: 8px; font-weight: 800; }
.maturity-aside h3 { font-size: 17px; }
.maturity-aside ol { margin: 22px 0px 0px; padding: 0px; list-style: none; }
.maturity-aside li { border-top: 1px solid rgba(255, 255, 255, 0.12); align-items: center; gap: 12px; padding: 13px 0px; font-size: 11px; display: flex; }
.maturity-aside li b { color: var(--sky); font-size: 9px; }
.maturity-aside .help-card { background: var(--blue-light); color: var(--navy); }
.help-card > svg { color: var(--blue); }
.help-card p, .links-card a { font-size: 10px; line-height: 1.6; }
.help-card a { color: var(--blue); align-items: center; gap: 7px; font-size: 10px; font-weight: 800; display: flex; }
.maturity-aside .links-card { background: var(--soft); color: var(--navy); }
.links-card a { border-top: 1px solid var(--line); color: var(--muted); justify-content: space-between; align-items: center; padding: 10px 0px; display: flex; }
.footer { color: rgb(168, 184, 199); background: rgb(5, 27, 52); padding-top: 62px; }
.footer-grid { grid-template-columns: 1.7fr 0.7fr 1fr 1.1fr; gap: 55px; padding-bottom: 50px; display: grid; }
.footer-grid h3 { color: rgb(255, 255, 255); text-transform: uppercase; letter-spacing: 0.08em; margin: 0px 0px 18px; font-size: 11px; }
.footer-grid p, .footer-grid a { font-size: 10px; line-height: 1.8; }
.footer-grid > div:not(:first-child) a { width: max-content; margin: 6px 0px; display: flex; }
.footer-brand { gap: 15px; display: flex; }
.brand-mark { background: rgb(255, 255, 255); border-radius: 8px; place-items: center; width: 52px; height: 64px; display: grid; }
.brand-mark img { width: 35px; }
.footer-brand b { color: rgb(255, 255, 255); font-size: 13px; }
.footer-brand p { margin-top: 9px; }
.footer-school { color: rgb(157, 210, 255) !important; }
.copyright { border-top: 1px solid rgba(255, 255, 255, 0.1); justify-content: space-between; padding: 17px 0px; font-size: 9px; display: flex; }
@media (max-width: 900px) {
  .main-nav { border-bottom: 1px solid var(--line); background: rgb(255, 255, 255); flex-direction: column; align-items: stretch; gap: 0px; height: auto; padding: 10px 20px 20px; display: none; position: absolute; top: 80px; left: 0px; right: 0px; box-shadow: rgba(10, 35, 60, 0.1) 0px 15px 30px; }
  .main-nav.open { display: flex; }
  .main-nav a { height: auto; padding: 13px 8px; }
  .main-nav a::after { display: none; }
  .menu-btn { display: block; }
  .hero-grid, .about-grid, .practice-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy > p, .section-title { margin-inline: auto; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-visual { max-width: 600px; margin: auto; }
  .skill-grid, .project-grid, .blog-grid, .lesson-grid { grid-template-columns: repeat(2, 1fr); }
  .subject-panel { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post > div:first-child { height: 350px; }
  .maturity-grid { grid-template-columns: 1fr; }
  .maturity-aside { grid-template-columns: repeat(3, 1fr); gap: 12px; display: grid; }
  .detail-grid { gap: 35px; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1180px); }
  .topline span { display: none; }
  .topline-inner { justify-content: flex-end; }
  .nav-shell { height: 70px; }
  .brand img { width: 34px; height: 42px; }
  .brand b { max-width: 210px; font-size: 11px; }
  .brand small { display: none; }
  .main-nav { top: 70px; }
  .hero { padding: 55px 0px; }
  .hero-grid { gap: 35px; }
  .hero h1 { font-size: 45px; }
  .hero-copy > p { font-size: 15px; }
  .hero-stats { gap: 12px; }
  .hero-stats div { gap: 6px; padding-right: 12px; }
  .hero-stats span { font-size: 8px; }
  .hero-image { height: 365px; }
  .code-card { right: 0px; }
  .section { padding: 65px 0px; }
  .section-title h2 { font-size: 33px; }
  .skill-grid, .project-grid, .blog-grid, .lesson-grid, .check-grid { grid-template-columns: 1fr; }
  .about-panel { padding: 30px; }
  .year-tabs button { font-size: 0px; }
  .year-tabs button b { margin: 0px; font-size: 12px; }
  .subject-panel { gap: 25px; padding: 25px; }
  .practice-image { height: 350px; }
  .title-row { align-items: flex-start; gap: 20px; }
  .title-row .text-link { white-space: nowrap; margin-top: 12px; }
  .cta-inner { text-align: center; grid-template-columns: 1fr; }
  .cta-icon { margin: auto; }
  .final-cta { padding: 70px 0px; }
  .footer-grid { grid-template-columns: 1fr; }
  .copyright { flex-direction: column; gap: 7px; }
  .page-hero { padding: 55px 0px; }
  .page-hero h1 { font-size: 39px; }
  .featured-post > div:first-child { height: 250px; }
  .featured-post > div:last-child { padding: 28px; }
  .featured-post h2 { font-size: 24px; }
  .platform-toolbar { flex-direction: column; align-items: stretch; }
  .feature-strip { grid-template-columns: 1fr 1fr; }
  .lesson-list > div { grid-template-columns: 25px 25px 1fr 20px; }
  .lesson-list small { display: none; }
  .project-gallery { grid-template-columns: 1fr; height: auto; }
  .project-gallery > img { height: 300px; }
  .project-gallery > div { grid-template-rows: 160px; grid-template-columns: 1fr 1fr; }
  .detail-grid, .maturity-aside { grid-template-columns: 1fr; }
  .doc-toolbar { flex-direction: column; }
  .document-list article { grid-template-columns: 45px 1fr; }
  .document-list article > button { grid-column: 2; width: max-content; }
  .article-cover { height: 300px; }
  .article-content .lead { font-size: 16px; }
  .photo-credit { display: none; }
}
@property --tw-rotate-x { syntax: "*"; inherits: false; }
@property --tw-rotate-y { syntax: "*"; inherits: false; }
@property --tw-rotate-z { syntax: "*"; inherits: false; }
@property --tw-skew-x { syntax: "*"; inherits: false; }
@property --tw-skew-y { syntax: "*"; inherits: false; }
@property --tw-blur { syntax: "*"; inherits: false; }
@property --tw-brightness { syntax: "*"; inherits: false; }
@property --tw-contrast { syntax: "*"; inherits: false; }
@property --tw-grayscale { syntax: "*"; inherits: false; }
@property --tw-hue-rotate { syntax: "*"; inherits: false; }
@property --tw-invert { syntax: "*"; inherits: false; }
@property --tw-opacity { syntax: "*"; inherits: false; }
@property --tw-saturate { syntax: "*"; inherits: false; }
@property --tw-sepia { syntax: "*"; inherits: false; }
@property --tw-drop-shadow { syntax: "*"; inherits: false; }
@property --tw-drop-shadow-color { syntax: "*"; inherits: false; }
@property --tw-drop-shadow-alpha { syntax: "<percentage>"; inherits: false; initial-value: 100%; }
@property --tw-drop-shadow-size { syntax: "*"; inherits: false; }