:root {
  --navy-950: #050d1d;
  --navy-900: #071327;
  --navy-850: #0a1931;
  --navy-800: #0d2040;
  --blue: #246bfe;
  --cyan: #36d9f2;
  --orange: #ff7a29;
  --orange-light: #ffb46b;
  --white: #f8fbff;
  --muted: #9dadca;
  --ink: #0b1830;
  --radius-xl: 32px;
  --radius-lg: 22px;
  --shadow: 0 30px 80px rgba(3, 11, 28, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--white);
  background: var(--navy-950);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { position: fixed; top: var(--menu-scroll-top, 0px); left: 0; width: 100%; overflow: hidden; }
[hidden] { display: none !important; }
:where(a,button,input,select):focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
section[id] { scroll-margin-top: 94px; }
button:disabled { cursor: wait; }

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.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; top: 10px; left: 10px; z-index: 1000; padding: 10px 14px; color: var(--ink); background: white; border-radius: 10px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header.is-scrolled { background: rgba(5, 13, 29, .8); border-color: rgba(255,255,255,.08); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-grid; grid-template-columns: auto; line-height: .85; position: relative; z-index: 2; }
.brand-mark { font-size: 23px; font-weight: 900; letter-spacing: -.06em; }
.brand-mark i { color: var(--orange); font-style: normal; }
.brand-name { margin-top: 7px; font-size: 11px; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; font-weight: 650; }
.main-nav > a:not(.nav-cta) { color: #c8d5ea; transition: color .2s ease; }
.main-nav > a:not(.nav-cta):hover { color: #fff; }
.nav-cta { padding: 12px 18px; color: #fff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 999px; }
.menu-button { display: none; width: 44px; height: 44px; padding: 10px; background: transparent; border: 1px solid rgba(255,255,255,.12); border-radius: 12px; }
.menu-button > span:not(.sr-only) { display: block; width: 20px; height: 2px; margin: 4px auto; background: white; border-radius: 2px; transition: transform .25s ease, opacity .2s ease; }

.hero { position: relative; min-height: 760px; height: 100svh; max-height: 920px; overflow: hidden; background: radial-gradient(circle at 71% 43%, #122e59 0, #08162d 36%, var(--navy-950) 70%); }
.hero-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(117,171,255,.4) 1px, transparent 1px), linear-gradient(90deg, rgba(117,171,255,.4) 1px, transparent 1px); background-size: 58px 58px; mask-image: linear-gradient(to bottom, transparent 3%, #000 35%, transparent 88%); transform: perspective(700px) rotateX(62deg) scale(1.7) translateY(28%); transform-origin: bottom; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.hero-glow-one { width: 580px; height: 580px; right: -240px; top: -190px; background: rgba(36,107,254,.13); }
.hero-glow-two { width: 400px; height: 400px; left: 27%; bottom: -310px; background: rgba(255,122,41,.09); }
.hero-layout { position: relative; z-index: 2; min-height: 100%; display: grid; grid-template-columns: minmax(0, 1fr) minmax(460px, .9fr); align-items: center; gap: 36px; padding-top: 92px; padding-bottom: 66px; }
.hero-copy { padding-top: 18px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 24px; color: #d0ddf0; font-size: 12px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow span { width: 8px; height: 8px; background: var(--orange); border-radius: 50%; box-shadow: 0 0 0 5px rgba(255,122,41,.14); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 730px; margin-bottom: 24px; font-size: clamp(51px, 6.2vw, 87px); line-height: .94; letter-spacing: -.065em; }
h1 em { color: var(--orange); font-style: normal; }
.hero-lead { max-width: 630px; margin-bottom: 32px; color: #b8c6dd; font-size: 18px; line-height: 1.68; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 22px; font-size: 14px; font-weight: 800; border: 0; border-radius: 14px; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: linear-gradient(135deg, var(--orange), #ff5a29); box-shadow: 0 14px 30px rgba(255,102,41,.24); }
.button-primary:hover { box-shadow: 0 18px 38px rgba(255,102,41,.34); }
.button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.button-ghost { color: #eaf1ff; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); }
.button-ghost:hover { background: rgba(255,255,255,.1); }
.hero-proof { display: flex; align-items: stretch; gap: 0; margin-top: 45px; }
.hero-proof div { min-width: 110px; padding-right: 25px; margin-right: 25px; border-right: 1px solid rgba(255,255,255,.13); }
.hero-proof div:last-child { border: 0; margin: 0; padding: 0; }
.hero-proof strong, .hero-proof span { display: block; }
.hero-proof strong { margin-bottom: 4px; font-size: 24px; letter-spacing: -.04em; }
.hero-proof span { color: #8fa1bd; font-size: 11px; }

.hero-visual { position: relative; min-height: 560px; perspective: 900px; transform-style: preserve-3d; }
.visual-orbit { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(94,153,255,.18); border-radius: 50%; transform: translate(-50%, -50%) rotate(-15deg); }
.orbit-one { width: 480px; height: 480px; }
.orbit-two { width: 365px; height: 365px; border-style: dashed; animation: rotate 38s linear infinite; }
.desk-scene { position: absolute; left: 50%; top: 54%; width: 390px; height: 380px; transform: translate(-50%, -50%) rotateY(-7deg) rotateX(2deg); transform-style: preserve-3d; transition: transform .18s ease-out; }
.monitor { position: absolute; left: 42px; top: 40px; width: 305px; height: 230px; padding: 12px; background: linear-gradient(145deg, #f9fbff 0%, #b7c6db 55%, #8091aa 100%); border-radius: 30px; box-shadow: inset -8px -8px 20px rgba(35,49,74,.2), inset 7px 8px 16px #fff, 0 35px 55px rgba(0,0,0,.42); transform: translateZ(38px); }
.monitor-camera { position: absolute; top: 5px; left: 50%; width: 5px; height: 5px; z-index: 2; background: #4c5f7b; border-radius: 50%; }
.monitor-screen { position: relative; width: 100%; height: 100%; overflow: hidden; background: radial-gradient(circle at 70% 30%, #173f72, #071a33 60%); border: 4px solid #e9f0fa; border-radius: 21px; box-shadow: inset 0 0 30px rgba(34,105,222,.23); }
.code-top { display: flex; gap: 5px; height: 25px; align-items: center; padding-left: 12px; background: rgba(255,255,255,.06); }
.code-top i { width: 6px; height: 6px; background: var(--orange); border-radius: 50%; }
.code-top i:nth-child(2) { background: #ffd35b; }.code-top i:nth-child(3) { background: #53e6a9; }
.code-window { position: absolute; left: 28px; top: 59px; display: grid; gap: 14px; }
.line { display: block; height: 8px; background: linear-gradient(90deg, #4b8cff 0 25%, var(--cyan) 25% 56%, transparent 56%); border-radius: 5px; opacity: .9; animation: codeLine 4s ease-in-out infinite; }
.line-a { width: 150px; }.line-b { width: 118px; margin-left: 18px; animation-delay: -.6s; }.line-c { width: 165px; margin-left: 18px; animation-delay: -1.3s; }.line-d { width: 90px; animation-delay: -2.1s; }
.cursor { position: absolute; left: 98px; top: 61px; width: 7px; height: 14px; background: var(--orange); animation: blink .85s step-end infinite; }
.code-smile { position: absolute; right: 23px; bottom: 20px; color: rgba(255,255,255,.16); font-size: 30px; font-weight: 800; transform: rotate(-7deg); }
.monitor-neck { position: absolute; left: 137px; top: 218px; width: 55px; height: 54px; background: linear-gradient(90deg, #99a9bf, #f6f9fd, #8394ad); clip-path: polygon(24% 0, 76% 0, 86% 100%, 14% 100%); }
.monitor-base { position: absolute; left: 105px; top: 263px; width: 120px; height: 20px; background: linear-gradient(180deg, #f9fbfe, #8798b0); border-radius: 50%; box-shadow: 0 10px 15px rgba(0,0,0,.25); }
.keyboard { position: absolute; left: 78px; top: 297px; width: 240px; height: 55px; display: flex; gap: 8px; align-items: center; justify-content: center; background: linear-gradient(160deg, #e9f1fb, #8da0b9); border-radius: 13px; box-shadow: 0 18px 30px rgba(0,0,0,.3); transform: rotateX(50deg) translateZ(30px); }
.keyboard i { width: 25px; height: 12px; background: #cbd7e6; border-radius: 3px; box-shadow: inset 0 -2px 3px #8597b0; }
.desk { position: absolute; left: 0; top: 335px; width: 390px; height: 28px; background: linear-gradient(180deg, #ffa864, #b8451c); border-radius: 50%; box-shadow: 0 18px 30px rgba(0,0,0,.35); }
.book-stack { position: absolute; right: -23px; top: 277px; transform: rotate(-4deg) translateZ(60px); }
.book-stack i { display: block; width: 87px; height: 20px; margin-top: -2px; border-radius: 5px 9px 9px 5px; box-shadow: 0 6px 12px rgba(0,0,0,.2); }
.book-stack i:nth-child(1) { background: #4ad1e6; transform: rotate(3deg); }.book-stack i:nth-child(2) { background: var(--orange); }.book-stack i:nth-child(3) { background: #527cff; transform: rotate(-2deg); }
.float-chip { position: absolute; z-index: 4; display: flex; align-items: center; gap: 10px; padding: 11px 14px 11px 10px; color: #10213b; background: rgba(249,252,255,.95); border: 1px solid rgba(255,255,255,.8); border-radius: 16px; box-shadow: 0 17px 35px rgba(0,0,0,.27); backdrop-filter: blur(8px); transition: transform .18s ease-out; animation: float 5s ease-in-out infinite; }
.float-chip b, .float-chip small { display: block; }.float-chip b { font-size: 13px; }.float-chip small { color: #67768d; font-size: 9px; margin-top: 2px; }
.chip-code { left: -6px; top: 117px; }.chip-robot { right: -16px; top: 205px; animation-delay: -1.2s; }.chip-ai { left: 55px; bottom: 60px; animation-delay: -2.1s; }
.chip-icon, .robot-face, .spark { width: 38px; height: 38px; display: grid; place-items: center; color: white; background: linear-gradient(145deg, #467eff, #174dc0); border-radius: 11px; font-size: 13px; font-weight: 900; }
.robot-face { grid-template-columns: 5px 5px; gap: 6px; background: linear-gradient(145deg, #ff944f, #e9541e); }.robot-face i { width: 5px; height: 7px; background: white; border-radius: 4px; }.spark { color: #11213b; background: linear-gradient(145deg, #72e8f7, #c5fbff); font-size: 21px; }
.age-badge { position: absolute; right: 38px; top: 45px; z-index: 5; width: 88px; height: 88px; display: flex; align-items: center; justify-content: center; gap: 2px; color: white; background: linear-gradient(145deg, #ff9b52, #ef5522); border: 4px solid rgba(255,255,255,.18); border-radius: 50%; box-shadow: 0 20px 40px rgba(177,54,16,.32); transform: rotate(9deg); animation: float 5.5s ease-in-out infinite -1s; }
.age-badge strong { font-size: 30px; }.age-badge span { font-size: 9px; font-weight: 800; text-transform: uppercase; writing-mode: vertical-rl; }
.visual-shadow { position: absolute; left: 50%; bottom: 25px; width: 390px; height: 45px; background: rgba(0,0,0,.35); border-radius: 50%; filter: blur(18px); transform: translateX(-50%); }
.scroll-cue { position: absolute; z-index: 4; bottom: 25px; left: 50%; display: flex; align-items: center; gap: 8px; color: #6f819e; font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue span { width: 22px; height: 35px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; }
.scroll-cue span::after { content: ""; display: block; width: 3px; height: 6px; margin: 7px auto; background: var(--orange); border-radius: 3px; animation: scroll 1.8s ease-in-out infinite; }

.section { padding: 110px 0; }
.directions { color: var(--ink); background: #f5f8fd; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(300px, 430px); align-items: end; gap: 50px; margin-bottom: 48px; }
.section-kicker { display: block; margin-bottom: 14px; color: #2a65d7; font-size: 11px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.section-heading h2, .signup h2 { margin: 0; font-size: clamp(38px, 5vw, 62px); line-height: 1; letter-spacing: -.055em; }
.section-heading p { margin-bottom: 4px; color: #66738a; line-height: 1.7; }
.category-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 25px; }
.tab { min-width: 0; display: flex; align-items: center; gap: 14px; padding: 16px; color: #536279; text-align: left; background: #e9eef7; border: 1px solid transparent; border-radius: 16px; cursor: pointer; transition: color .2s ease, background .2s ease, transform .2s ease; }
.tab:hover { transform: translateY(-2px); }
.tab.is-active { color: white; background: var(--navy-800); box-shadow: 0 13px 25px rgba(12,34,67,.16); }
.tab-symbol { flex: 0 0 43px; height: 43px; display: grid; place-items: center; color: white; background: #6f87ad; border-radius: 12px; font-size: 15px; font-weight: 900; }
.tab.is-active .tab-symbol { background: var(--orange); }
.tab b, .tab small { display: block; }.tab b { font-size: 14px; }.tab small { margin-top: 3px; color: #8b98aa; font-size: 10px; }.tab.is-active small { color: #96a9c9; }
.course-panel { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; animation: panelIn .35s ease both; }
.course-panel[hidden] { display: none; }
.course-card { position: relative; min-height: 285px; padding: 24px; display: flex; flex-direction: column; overflow: hidden; background: white; border: 1px solid #e4eaf3; border-radius: var(--radius-lg); box-shadow: 0 14px 35px rgba(26,43,76,.06); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.course-card:hover { transform: translateY(-6px); border-color: #cdd9eb; box-shadow: 0 22px 45px rgba(26,43,76,.12); }
.course-featured { color: white; background: linear-gradient(145deg, #0d2448, #08172d); border-color: #183966; }
.course-number { position: absolute; right: 16px; top: 14px; color: #e8edf5; font-size: 38px; font-weight: 900; letter-spacing: -.05em; }.course-featured .course-number { color: rgba(255,255,255,.08); }
.course-age { align-self: flex-start; position: relative; z-index: 1; padding: 5px 8px; color: #607089; background: #f0f4f9; border-radius: 6px; font-size: 9px; font-weight: 800; text-transform: uppercase; }.course-featured .course-age { color: #ffb989; background: rgba(255,122,41,.13); }
.course-icon { width: 53px; height: 53px; display: grid; place-items: center; margin: 23px 0 16px; color: white; background: linear-gradient(145deg, #4c83ff, #1954d2); border-radius: 15px; box-shadow: inset 0 1px rgba(255,255,255,.25), 0 12px 20px rgba(31,88,208,.18); font-size: 14px; font-weight: 900; }.course-featured .course-icon { background: linear-gradient(145deg, #ff9750, #ee5925); }
.course-card h3 { margin-bottom: 8px; font-size: 18px; letter-spacing: -.025em; }
.course-card p { margin-bottom: 22px; color: #6e7b90; font-size: 13px; line-height: 1.55; }.course-featured p { color: #9fb0c9; }
.course-card a { margin-top: auto; color: #2461d6; font-size: 12px; font-weight: 800; }.course-featured a { color: #ff995d; }.course-card a span { margin-left: 5px; transition: margin .2s ease; }.course-card a:hover span { margin-left: 9px; }

.signup { position: relative; padding-bottom: 35px; overflow: hidden; background: var(--navy-950); }
.signup::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 15% 30%, rgba(36,107,254,.15), transparent 28%), radial-gradient(circle at 90% 60%, rgba(255,122,41,.09), transparent 24%); pointer-events: none; }
.signup-card { position: relative; display: grid; grid-template-columns: .92fr 1.08fr; gap: 65px; align-items: center; padding: 64px; overflow: hidden; background: linear-gradient(145deg, rgba(17,42,79,.97), rgba(8,25,51,.96)); border: 1px solid rgba(255,255,255,.09); border-radius: var(--radius-xl); box-shadow: var(--shadow); }
.signup-copy { position: relative; z-index: 2; }
.signup .section-kicker { color: var(--orange-light); }
.signup h2 { margin-bottom: 22px; }.signup h2 em { color: var(--orange); font-style: normal; }
.signup-copy > p { max-width: 470px; color: #aebed5; line-height: 1.7; }
.signup-copy ul { margin: 30px 0 0; padding: 0; list-style: none; display: grid; gap: 13px; color: #dbe5f5; font-size: 13px; }
.signup-copy li { display: flex; align-items: center; gap: 10px; }.signup-copy li span { width: 22px; height: 22px; display: grid; place-items: center; color: #071327; background: #57dda6; border-radius: 50%; font-size: 11px; font-weight: 900; }
.lead-form { position: relative; z-index: 2; padding: 30px; color: var(--ink); background: #fff; border-radius: 23px; box-shadow: 0 25px 55px rgba(0,0,0,.23); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; margin-bottom: 13px; }
.lead-form label { color: #42516a; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.lead-form input, .lead-form select { width: 100%; height: 49px; margin-top: 7px; padding: 0 13px; color: #14223a; background: #f4f7fb; border: 1px solid #e2e8f1; border-radius: 11px; outline: none; font-size: 13px; text-transform: none; transition: border-color .2s ease, box-shadow .2s ease; }
.lead-form input:focus, .lead-form select:focus { border-color: #4e80e7; box-shadow: 0 0 0 3px rgba(59,114,228,.12); }
.lead-form input.is-invalid, .lead-form select.is-invalid { border-color: #e74545; box-shadow: 0 0 0 3px rgba(231,69,69,.1); }
.form-submit { width: 100%; margin-top: 5px; }
.form-note { margin: 11px 5px 0; color: #8793a5; font-size: 9px; line-height: 1.5; text-align: center; }
.form-status { min-height: 0; margin-top: 0; overflow: hidden; color: #126b49; background: #e9fbf3; border-radius: 10px; font-size: 12px; font-weight: 700; line-height: 1.45; transition: padding .25s ease, margin .25s ease; }
.form-status.is-visible { margin-top: 12px; padding: 11px 13px; }
.signup-decoration i { position: absolute; border-radius: 50%; }.signup-decoration i:nth-child(1) { width: 170px; height: 170px; right: -70px; top: -70px; border: 25px solid rgba(255,122,41,.08); }.signup-decoration i:nth-child(2) { width: 60px; height: 60px; left: 45%; bottom: -28px; background: rgba(36,107,254,.12); }.signup-decoration i:nth-child(3) { width: 14px; height: 14px; right: 44%; top: 34px; background: var(--orange); opacity: .5; }
.site-footer { position: relative; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; padding-top: 38px; color: #72839f; font-size: 11px; }
.brand-footer { color: white; justify-self: start; transform: scale(.85); transform-origin: left center; }.site-footer p { margin: 0; }.site-footer > a:last-child { justify-self: end; color: #aebbd1; }

.reveal { opacity: 1; }
.js .reveal { opacity: 0; transition: opacity .7s ease; }
.js .reveal:not(.hero-visual) { transform: translateY(25px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.js .reveal.is-visible { opacity: 1; }
.js .reveal.is-visible:not(.hero-visual) { transform: none; }
.reveal-delay { transition-delay: .12s; }
@keyframes float { 0%,100% { margin-top: 0; } 50% { margin-top: -10px; } }
@keyframes rotate { to { transform: translate(-50%, -50%) rotate(345deg); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes codeLine { 0%,100% { opacity: .55; transform: scaleX(.82); transform-origin: left; } 50% { opacity: 1; transform: scaleX(1); } }
@keyframes scroll { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }
@keyframes panelIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (max-width: 1020px) {
  .hero { min-height: 800px; }
  .hero-layout { grid-template-columns: 1fr 420px; }
  .hero-visual { min-height: 500px; transform: scale(.86); transform-origin: center; }
  .course-panel { grid-template-columns: repeat(3, 1fr); }
  .signup-card { gap: 35px; padding: 48px; }
}

@media (max-width: 820px) {
  .shell { width: min(100% - 32px, 680px); }
  .nav-wrap { min-height: 72px; }
  .menu-button { display: block; flex: 0 0 44px; cursor: pointer; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }.menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .main-nav { display: none; }
  .hero { min-height: 1020px; height: auto; max-height: none; }
  .hero-layout { display: flex; flex-direction: column; align-items: stretch; gap: 5px; padding-top: 145px; padding-bottom: 90px; text-align: center; }
  .hero-copy { padding: 0; }
  .eyebrow, .hero-actions, .hero-proof { justify-content: center; }
  .hero-lead { margin-inline: auto; }
  .hero-visual { width: 480px; min-height: 480px; margin: -5px auto -35px; }
  .scroll-cue { display: none; }
  .section { padding: 82px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 19px; text-align: center; }
  .section-heading p { max-width: 560px; margin-inline: auto; }
  .category-tabs { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .tab { padding: 12px; }
  .course-panel { grid-template-columns: repeat(2, 1fr); }
  .signup-card { grid-template-columns: 1fr; gap: 36px; }
  .signup-copy { text-align: center; }.signup-copy > p { margin-inline: auto; }.signup-copy ul { width: fit-content; margin-inline: auto; text-align: left; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 24px, 480px); }
  .hero { min-height: 900px; }
  .hero-layout { padding-top: 117px; padding-bottom: 35px; }
  .eyebrow { font-size: 9px; margin-bottom: 19px; }
  h1 { font-size: clamp(43px, 14vw, 64px); margin-bottom: 20px; }
  .hero-lead { font-size: 15px; line-height: 1.6; }
  .hero-actions { flex-direction: column; }.hero-actions .button { width: 100%; }
  .hero-proof { margin-top: 31px; }.hero-proof div { min-width: 0; flex: 1; padding-right: 13px; margin-right: 13px; }.hero-proof strong { font-size: 20px; }.hero-proof span { font-size: 9px; }
  .hero-visual { width: 430px; min-height: 390px; margin-left: 50%; transform: translateX(-50%) scale(.72); transform-origin: top center; }
  .section { padding: 67px 0; }
  .section-heading { margin-bottom: 32px; }.section-heading h2, .signup h2 { font-size: 39px; }.section-heading p { font-size: 14px; }
  .course-panel { grid-template-columns: 1fr; }
  .course-card { min-height: 255px; }.course-card:nth-child(n+6) { display: flex; }
  .signup-card { padding: 35px 18px 18px; border-radius: 23px; }
  .signup-copy > p { font-size: 14px; }.signup-copy ul { font-size: 12px; }
  .lead-form { padding: 20px 15px; border-radius: 17px; }
  .form-row { grid-template-columns: 1fr; }
  .form-submit { min-height: 58px; padding-inline: 14px; }
  .site-footer { grid-template-columns: 1fr auto; }.site-footer p { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
/* Native mobile side drawer: top layer, outside the filtered header. */
.mobile-menu:not([open]) { display: none; }
.mobile-menu { inset: 0 0 0 auto; width: min(390px, calc(100vw - 22px)); max-width: calc(100vw - 22px); height: 100vh; height: 100dvh; max-height: 100vh; max-height: 100dvh; margin: 0; padding: 0; color: var(--white); background: #071327; border: 0; border-left: 1px solid #263851; border-radius: 26px 0 0 26px; box-shadow: -20px 0 70px #0006; overflow: hidden; }
.mobile-menu[open] { display: flex; flex-direction: column; animation: menuEnter .24s cubic-bezier(.2,.8,.2,1) both; }
.mobile-menu::backdrop { background: rgba(1,7,18,.68); backdrop-filter: blur(5px); }
.mobile-menu.is-closing { animation: menuLeave .16s ease-in both; }
.menu-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: max(24px, env(safe-area-inset-top)) 22px 24px; border-bottom: 1px solid #ffffff12; }
.menu-head .brand-mark { font-size: 24px; }
.menu-close { display: grid; place-items: center; flex: 0 0 44px; width: 44px; height: 44px; color: #e9f1ff; background: #ffffff09; border: 1px solid #ffffff20; border-radius: 13px; font-size: 29px; cursor: pointer; }
.menu-scroll { min-height: 0; flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 25px 22px; }
.menu-kicker { color: #879bbb; font-size: 10px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.menu-scroll h2 { margin: 9px 0 22px; font-size: 30px; letter-spacing: -.045em; }
.mobile-links { display: grid; gap: 10px; }
.mobile-links a { display: grid; grid-template-columns: 33px minmax(0,1fr) 17px; gap: 10px; align-items: center; padding: 17px 12px; background: #10203a; border: 1px solid #26364e; border-radius: 15px; transition: background .2s, border-color .2s; }
.mobile-links a:hover, .mobile-links a:focus-visible { background: #182d4a; border-color: #537aa9; }
.menu-num { font-size: 11px; color: #ffae7a; font-weight: 800; }
.mobile-links b { display: block; font-size: 15px; line-height: 1.4; }
.mobile-links small { display: block; margin-top: 4px; color: #9dadca; font-size: 11px; line-height: 1.5; }
.menu-arrow { color: #7187a7; }
.menu-note { display: flex; gap: 12px; margin-top: 28px; padding: 17px; background: #0b1d31; border: 1px solid #20394b; border-radius: 15px; }
.menu-note > span { color: #65e0bd; font-size: 20px; }
.menu-note p { margin: 0; color: #a8c0d2; font-size: 12px; line-height: 1.6; }
.menu-foot { flex-shrink: 0; border-top: 1px solid #ffffff12; padding: 18px 22px max(22px, env(safe-area-inset-bottom)); }
.menu-foot .button { width: 100%; min-height: 54px; padding: 10px 14px; }
.menu-foot p { margin: 12px 0 0; text-align: center; color: #8193af; font-size: 10px; line-height: 1.5; }
@keyframes menuEnter { from { transform: translateX(100%); } to { transform: none; } }
@keyframes menuLeave { from { transform: none; } to { transform: translateX(100%); } }
/* Form: field explanations, explicit consent and a genuine server receipt. */
.lead-form { min-width: 0; }
.lead-form .form-row > label { min-width: 0; }
.lead-form .field-error { display: block; margin-top: 6px; font-size: 11px; font-weight: 500; letter-spacing: 0; line-height: 1.5; text-transform: none; color: #a72b37; }
.lead-form .consent { display: flex; align-items: flex-start; gap: 10px; margin: 17px 0; font-size: 11px; font-weight: 500; line-height: 1.6; letter-spacing: 0; text-transform: none; }
.lead-form .consent input { flex: 0 0 19px; width: 19px; height: 19px; margin: 1px 0 0; padding: 0; accent-color: #246bfe; }
.lead-form .consent a { text-decoration: underline; }
.lead-form .field-hint { display: block; margin-top: 6px; color: #738197; font-size: 10px; line-height: 1.5; text-transform: none; letter-spacing: 0; font-weight: 500; }
.lead-form .bot-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-status { overflow-wrap: anywhere; }
.form-status.is-error { color: #982634; background: #fff0f2; }
.form-status.is-pending { color: #694a0c; background: #fff7df; }
.form-status.is-success { color: #126b49; background: #e9fbf3; }
.form-submit[disabled] { opacity: .74; transform: none; }
.form-submit.is-sending::before { content: ''; flex: 0 0 17px; width: 17px; height: 17px; border: 2px solid #ffffff70; border-top-color: white; border-radius: 50%; animation: formSpinner .7s linear infinite; }
.form-new { display: block; width: 100%; min-height: 43px; margin-top: 12px; padding: 9px; color: #2455aa; background: transparent; border: 1px solid #d6e0ee; border-radius: 11px; cursor: pointer; font-size: 12px; font-weight: 700; }
.lead-form.is-confirmed { outline: 2px solid #77c7a3; }
.lead-form input:disabled, .lead-form select:disabled { opacity: .8; }
@keyframes formSpinner { to { transform: rotate(360deg); } }
@media (max-width: 820px) {
  .main-nav { display: none; }
  html:not(.js) .menu-button { display: none; }
  html:not(.js) .main-nav { display: flex; gap: 12px; font-size: 11px; }
  html:not(.js) .main-nav .nav-cta { display: none; }
}
@media (max-width: 560px) {
  .lead-form input:not([type="checkbox"]), .lead-form select { font-size: 16px; }
  .lead-form label { line-height: 1.5; }
  .form-submit { font-size: 13px; }
  .signup-card { min-width: 0; }
  .mobile-menu { border-radius: 22px 0 0 22px; }
  .menu-scroll, .menu-foot { padding-left: 18px; padding-right: 18px; }
}
@media (max-height: 500px) {
  .menu-head { padding-top: 12px; padding-bottom: 12px; }
  .menu-scroll { padding-top: 14px; padding-bottom: 14px; }
  .menu-foot { padding-top: 10px; padding-bottom: 10px; }
  .menu-foot p { display: none; }
}
html:not(.js) .category-tabs { display: none; }
html:not(.js) .course-panel[hidden] { display: grid !important; margin-top: 18px; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; }
  .js .reveal:not(.hero-visual) { transform: none; }
  .mobile-menu[open], .mobile-menu.is-closing { animation: none; }
}
.site-header.legacy-nav .main-nav { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; }