:root {
  color-scheme: dark;
  --ink: #f7f9ff;
  --muted: #aeb9cd;
  --blue: #2f8cff;
  --blue-light: #79b9ff;
  --orange: #ff9f43;
  --canvas: #07111f;
  --panel: #0c1a2d;
  --panel-light: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--canvas); color: var(--ink); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.site-header { position: relative; z-index: 5; border-bottom: 1px solid var(--line); background: rgba(7, 17, 31, .86); backdrop-filter: blur(18px); }
.nav { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; gap: 11px; align-items: center; font-weight: 760; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: linear-gradient(145deg, var(--blue), #7466f2); box-shadow: 0 10px 30px rgba(47, 140, 255, .34); font-size: .7rem; letter-spacing: -.03em; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-size: .88rem; font-weight: 650; text-decoration: none; }
.nav-links a:hover { color: var(--ink); }
.nav-links .nav-cta { color: var(--ink); padding: 10px 15px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-light); }

.hero { min-height: 690px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 54px; padding-block: 64px 86px; position: relative; }
.hero::before { content: ""; position: absolute; width: 620px; height: 620px; right: -180px; top: -180px; border-radius: 50%; background: #1f69cd; filter: blur(150px); opacity: .28; pointer-events: none; }
.eyebrow { color: var(--blue-light); font-size: .72rem; font-weight: 850; letter-spacing: .15em; margin: 0 0 18px; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 730px; margin-bottom: 27px; font-size: clamp(3.15rem, 5.5vw, 5.35rem); line-height: .97; letter-spacing: -.063em; }
.lede { max-width: 650px; margin-bottom: 0; color: var(--muted); font-size: clamp(1.08rem, 1.7vw, 1.27rem); line-height: 1.62; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.actions.centered { justify-content: center; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 49px; padding: 0 20px; border-radius: 10px; font-size: .91rem; font-weight: 760; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--blue); color: white; box-shadow: 0 14px 34px rgba(47, 140, 255, .28); }
.button.primary:hover { background: #55a1ff; }
.button.secondary { border: 1px solid var(--line); background: var(--panel-light); }
.availability { margin: 22px 0 0; color: var(--muted); font-size: .86rem; }
.availability span { color: #5de6a8; font-size: .6rem; margin-right: 6px; }
.phone-stage { min-height: 580px; position: relative; display: grid; place-items: center; isolation: isolate; }
.phone-frame { width: min(320px, 76vw); padding: 9px; border: 1px solid rgba(255,255,255,.24); border-radius: 44px; background: #04070b; box-shadow: 0 38px 95px rgba(0,0,0,.58), inset 0 0 0 2px rgba(255,255,255,.07); transform: rotate(3deg); overflow: hidden; z-index: 1; }
.phone-frame img { display: block; width: 100%; border-radius: 35px; }
.orb { position: absolute; z-index: -1; border-radius: 999px; }
.orb-one { width: 250px; height: 250px; top: 20px; right: 0; background: rgba(47,140,255,.38); filter: blur(2px); }
.orb-two { width: 180px; height: 180px; bottom: 40px; left: 16px; background: rgba(255,159,67,.3); filter: blur(2px); }

.proof-strip { border-block: 1px solid var(--line); background: rgba(255,255,255,.025); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid div { padding: 30px 28px; }
.proof-grid div + div { border-left: 1px solid var(--line); }
.proof-grid strong { display: block; font-size: 2rem; letter-spacing: -.04em; }
.proof-grid span { display: block; margin-top: 5px; color: var(--muted); font-size: .78rem; }

.course-section { padding-block: 122px; }
.section-intro { max-width: 780px; margin-bottom: 52px; }
.section-intro.narrow { max-width: 690px; }
.section-intro h2, .positioning h2, .closing h2 { margin-bottom: 20px; font-size: clamp(2.45rem, 4.4vw, 4.65rem); line-height: .99; letter-spacing: -.058em; }
.section-intro > p:last-child, .positioning p { color: var(--muted); font-size: 1.05rem; line-height: 1.68; }
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.value-grid article { min-height: 245px; padding: 35px; background: var(--panel-light); }
.value-grid article:nth-child(even) { border-left: 1px solid var(--line); }
.value-grid article:nth-child(n+3) { border-top: 1px solid var(--line); }
.number { color: var(--blue-light); font-size: .76rem; font-weight: 850; }
.value-grid h3 { margin: 46px 0 12px; font-size: 1.35rem; letter-spacing: -.03em; }
.value-grid p { margin-bottom: 0; color: var(--muted); line-height: 1.62; }

.practice-section { padding-block: 122px; background: linear-gradient(180deg, #0c1b30 0%, #091524 100%); border-block: 1px solid var(--line); overflow: hidden; }
.gallery-phones { display: grid; grid-template-columns: repeat(3, 1fr); align-items: end; gap: 36px; margin-top: 66px; }
.gallery-phones figure { margin: 0; text-align: center; }
.gallery-phones figure:nth-child(1) { transform: rotate(-3deg) translateY(24px); }
.gallery-phones figure:nth-child(3) { transform: rotate(3deg) translateY(24px); }
.gallery-phones img { display: block; width: min(100%, 275px); margin: 0 auto; border: 7px solid #04070b; border-radius: 34px; box-shadow: 0 28px 65px rgba(0,0,0,.44), 0 0 0 1px rgba(255,255,255,.2); }
.gallery-phones figcaption { display: grid; gap: 4px; margin-top: 20px; }
.gallery-phones figcaption strong { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.gallery-phones figcaption span { color: var(--muted); font-size: .8rem; }

.positioning { display: grid; grid-template-columns: 1fr .8fr; gap: 90px; align-items: end; padding-block: 132px; border-bottom: 1px solid var(--line); }
.positioning h2 { margin-bottom: 0; }
.text-link { display: inline-flex; gap: 9px; margin-top: 12px; color: var(--blue-light); font-weight: 740; text-decoration: none; }
.text-link:hover { color: white; }

.faq { padding-block: 120px; }
.faq details { max-width: 860px; border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { padding: 24px 4px; cursor: pointer; font-size: 1.05rem; font-weight: 720; }
.faq details p { max-width: 720px; margin: -6px 4px 24px; color: var(--muted); line-height: 1.65; }
.closing { padding-block: 118px 138px; text-align: center; }
.closing h2 { max-width: 810px; margin-inline: auto; }
.coming-soon { color: var(--muted); font-size: .87rem; }

footer { border-top: 1px solid var(--line); background: #050d18; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 34px 60px; padding-block: 42px 54px; }
.footer-grid > div:first-child { display: grid; gap: 6px; }
.footer-grid span, .footer-grid p { color: #75839a; font-size: .77rem; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--muted); font-size: .8rem; text-decoration: none; }
.footer-grid p { grid-column: 1 / -1; max-width: 900px; margin: 0; line-height: 1.5; }

@media (max-width: 820px) {
  .shell { width: min(100% - 36px, 1180px); }
  .nav { min-height: 74px; }
  .brand span:last-child { display: none; }
  .nav-links { gap: 14px; }
  .nav-links > a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 20px; padding-block: 64px 54px; }
  h1 { font-size: clamp(3.05rem, 15vw, 4.6rem); }
  .phone-stage { min-height: 500px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .proof-grid div:nth-child(4) { border-top: 1px solid var(--line); }
  .course-section, .practice-section, .faq { padding-block: 86px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-grid article:nth-child(even) { border-left: 0; }
  .value-grid article + article { border-top: 1px solid var(--line); }
  .gallery-phones { gap: 14px; margin-top: 46px; }
  .gallery-phones img { border-width: 4px; border-radius: 20px; }
  .gallery-phones figure:nth-child(1), .gallery-phones figure:nth-child(3) { transform: none; }
  .positioning { grid-template-columns: 1fr; gap: 30px; padding-block: 92px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid p { grid-column: auto; }
}

@media (max-width: 520px) {
  .proof-grid strong { font-size: 1.65rem; }
  .proof-grid div { padding: 23px 16px; }
  .gallery-phones figcaption span { display: none; }
  .gallery-phones figcaption strong { font-size: .62rem; letter-spacing: .07em; }
  .footer-links { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}