:root {
  color-scheme: dark;
  --bg: #09111d;
  --section: #0d192a;
  --panel: #111e30;
  --panel-raised: #14263b;
  --line: #294159;
  --text: #e8f0fc;
  --muted: #a6b8d0;
  --blue: #79a7ff;
  --purple: #a88aff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(ellipse at 65% -18%, #1b3b60 0, transparent 43%), var(--bg);
  font-size: 15px;
  line-height: 1.6;
}
a { color: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 50; padding: 10px 16px; background: #fff; color: #09111d; border-radius: 8px; }
.skip-link:focus { top: 12px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #9fc2ff; outline-offset: 4px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(116, 148, 185, .19);
  background: rgba(9, 17, 29, .9);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 83px; display: flex; align-items: center; gap: clamp(18px, 3vw, 40px); }
.brand {
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  padding: 5px 11px;
  background: #f7f9fc;
  border: 1px solid #dfe6f0;
  border-radius: 11px;
  line-height: 0;
  text-decoration: none;
}
.brand img { display: block; width: 150px; height: auto; }
.site-header nav { display: flex; align-items: center; gap: clamp(16px, 2.5vw, 32px); margin-left: auto; }
.site-header nav a { color: #b9c9dc; font-size: .84rem; font-weight: 650; text-decoration: none; white-space: nowrap; }
.site-header nav a:hover, .footer-links a:hover, .text-link:hover { color: #fff; }
.header-action {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 15px;
  border: 1px solid #42618b;
  border-radius: 9px;
  background: rgba(65, 107, 171, .15);
  color: #e8f0fc;
  font-size: .82rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}
.header-action:hover { border-color: var(--blue); background: rgba(89, 139, 217, .23); }

.eyebrow { margin: 0; color: #8ab9f9; font-size: .7rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow-line { display: inline-block; width: 20px; height: 2px; margin-right: 8px; background: currentColor; vertical-align: middle; }
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(0, .97fr);
  gap: clamp(36px, 5vw, 78px);
  align-items: center;
  padding-block: clamp(76px, 9vw, 130px) clamp(86px, 10vw, 138px);
}
.hero h1, h2, .plan h3, .legal h1, .not-found h1 {
  font-family: inherit;
  font-weight: 780;
  letter-spacing: -.055em;
  line-height: 1.1;
}
.hero h1 { max-width: 660px; margin: 23px 0 25px; font-size: clamp(3.9rem, 5.75vw, 5.8rem); }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(105deg, #8bb9ff, #bb99ff 86%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead { max-width: 580px; margin: 0; color: #b5c5d9; font-size: 1.12rem; line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 26px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 50px;
  padding: 13px 21px;
  border: 1px solid #6497ef;
  border-radius: 10px;
  background: linear-gradient(105deg, #357cf5, #7752ec);
  box-shadow: 0 9px 26px rgba(35, 80, 175, .22);
  color: #fff;
  font-size: .86rem;
  font-weight: 750;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
}
.button:hover { filter: brightness(1.12); transform: translateY(-1px); }
.button span { font-size: 1rem; }
.text-link { color: #e0eafa; font-size: .86rem; font-weight: 700; text-decoration: none; }
.status-note { display: flex; align-items: flex-start; gap: 10px; margin: 31px 0 0; color: #9eb2ca; font-size: .78rem; }
.status-mark { flex: none; width: 8px; height: 8px; margin-top: 7px; border-radius: 50%; background: #ffcb77; box-shadow: 0 0 0 4px rgba(255, 203, 119, .12); }
.hero-art {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 18px;
  border: 1px solid #3a5677;
  border-radius: 20px;
  background: radial-gradient(circle at 100% 0, rgba(77, 115, 226, .17), transparent 45%), linear-gradient(150deg, #182d47, #101e30 64%);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .36), 0 0 0 8px rgba(72, 112, 175, .055);
}
.art-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 8px 19px;
  border-bottom: 1px solid #34506b;
  color: #a9c9ff;
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .14em;
}
.art-head span:last-child { color: #ffcb77; font-size: 1.3rem; line-height: 1; }
.art-line {
  display: grid;
  grid-template-columns: 43px minmax(0, 1fr) 22px;
  gap: 15px;
  align-items: center;
  margin-top: 10px;
  padding: 20px 18px;
  border: 1px solid #2b4662;
  border-radius: 12px;
  background: rgba(9, 20, 36, .45);
}
.step-index {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid #446d9f;
  border-radius: 10px;
  background: #1e3d61;
  color: #9ec7ff;
  font-size: .8rem;
  font-weight: 800;
}
.art-line strong { display: block; font-size: .99rem; line-height: 1.3; }
.art-line small { display: block; margin-top: 5px; color: #9fb3cb; font-size: .75rem; line-height: 1.45; }
.art-icon { color: #8ab9f9; font-size: 1.2rem; }
.art-foot { margin-top: 16px; padding: 8px 8px 1px; color: #9fb3cb; font-size: .7rem; }

.principle-section, .faq-section { background: var(--section); border-block: 1px solid rgba(86, 133, 192, .16); }
.principle-section, .plans-section, .faq-section { padding-block: clamp(78px, 8.5vw, 112px); }
.section-heading { max-width: 770px; }
.section-heading .eyebrow, .faq-layout .eyebrow, .contact-section .eyebrow { margin-bottom: 17px; }
.section-heading h2, .faq-layout h2, .contact-section h2 { margin: 0; font-size: clamp(2.55rem, 4.2vw, 4.25rem); }
.section-heading > p:last-child, .faq-layout > div:first-child > p:last-child { max-width: 700px; margin: 20px 0 0; color: var(--muted); font-size: 1.02rem; }
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 48px; }
.principle {
  min-height: 238px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(145deg, #15283e, #111e30);
  box-shadow: 0 14px 32px rgba(2, 9, 18, .13);
}
.principle-symbol { display: grid; place-items: center; width: 41px; height: 41px; border: 1px solid #446a9d; border-radius: 11px; background: #203c60; color: #9cc4ff; font-size: 1.2rem; }
.principle h3 { margin: 22px 0 7px; font-size: 1.15rem; letter-spacing: -.02em; }
.principle p { max-width: 340px; margin: 0; color: var(--muted); font-size: .9rem; }

.plans-section { background: radial-gradient(ellipse at 83% 0, rgba(60, 70, 157, .14), transparent 48%), var(--bg); }
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 47px; }
.plan { display: flex; flex-direction: column; padding: clamp(28px, 3.3vw, 40px); border: 1px solid var(--line); border-radius: 18px; background: #111e30; }
.plan-featured { border-color: #6670d4; background: radial-gradient(circle at 100% 0, rgba(94, 83, 191, .24), transparent 46%), #14243a; box-shadow: 0 22px 62px rgba(30, 39, 110, .19); }
.plan-overline { margin: 0; color: #91b9f6; font-size: .7rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.plan-featured .plan-overline { color: #c0a9ff; }
.plan h3 { margin: 13px 0 7px; font-size: clamp(2rem, 3.2vw, 3rem); }
.plan-intro { max-width: 410px; min-height: 54px; margin: 0; color: var(--muted); font-size: .93rem; }
.price { margin: 26px 0 20px; font-size: clamp(2.2rem, 3.5vw, 3.2rem); font-weight: 790; letter-spacing: -.06em; line-height: 1.1; }
.price span { color: var(--muted); font-size: .78rem; font-weight: 500; letter-spacing: 0; white-space: nowrap; }
.plan ul { margin: 0 0 31px; padding: 0; list-style: none; }
.plan li { position: relative; padding: 13px 0 13px 27px; border-top: 1px solid #2c425b; color: #d3e0ef; font-size: .89rem; line-height: 1.5; }
.plan li:last-child { border-bottom: 1px solid #2c425b; }
.plan li:before { content: "✓"; position: absolute; left: 2px; color: #43d9b5; font-weight: 800; }
.plan .button { align-self: stretch; margin-top: auto; }
.button-outline { border-color: #568dff; background: #1a3354; box-shadow: none; }
.button-light { border-color: #8e7bfa; background: linear-gradient(105deg, #357cf5, #7752ec); }
.plan-footnote { max-width: 920px; margin: 24px 0 0; color: #97aac3; font-size: .79rem; }

.faq-layout { display: grid; grid-template-columns: .83fr 1.17fr; gap: 8%; }
.faq-list details { margin-bottom: 10px; padding: 0 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.faq-list summary { position: relative; padding: 19px 35px 19px 0; cursor: pointer; font-size: .95rem; font-weight: 700; line-height: 1.45; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:after { content: "+"; position: absolute; top: 11px; right: 0; color: #93baff; font-size: 1.55rem; font-weight: 400; }
.faq-list details[open] summary:after { content: "−"; }
.faq-list details p { max-width: 640px; margin: 0 0 20px; color: var(--muted); font-size: .89rem; }
.contact-section { padding-block: clamp(75px, 8vw, 112px); }
.contact-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.18fr .82fr;
  gap: 8%;
  align-items: center;
  overflow: hidden;
  padding: clamp(30px, 5vw, 58px);
  border: 1px solid #42619a;
  border-radius: 20px;
  background: radial-gradient(circle at 90% 0, rgba(112, 85, 235, .24), transparent 38%), linear-gradient(110deg, #16345b, #182548);
  box-shadow: 0 24px 70px rgba(2, 8, 18, .2);
}
.contact-section h2 { font-size: clamp(2.6rem, 4vw, 4rem); }
.contact-section p:last-child { max-width: 690px; margin: 18px 0 0; color: #c4d5ea; }
.contact-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.contact-actions small { color: #b9cbe4; font-size: .76rem; }
.site-footer { padding: 42px 0; border-top: 1px solid #243a54; background: #080e19; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; }
.brand-footer img { width: 130px; }
.footer-inner p, .footer-inner small { margin: 12px 0 0; color: #91a7c1; font-size: .76rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 25px; }
.footer-links a { color: #c5d4e6; font-size: .82rem; text-decoration: none; }
.footer-inner small { grid-column: 1 / -1; margin: 0; }

.legal { max-width: 850px; margin-block: 48px 80px; padding: clamp(26px, 5vw, 58px); border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.legal h1 { margin: 16px 0 31px; font-size: clamp(2.8rem, 5vw, 4.2rem); }
.legal h2 { margin: 37px 0 13px; font-size: 1.35rem; letter-spacing: -.025em; }
.legal p, .legal li { color: #b4c5d9; font-size: .96rem; }
.legal address { color: #dce7f4; font-style: normal; line-height: 1.75; }
.legal a { color: #9dc4ff; overflow-wrap: anywhere; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.legal a:hover { color: #fff; }
.not-found { min-height: 100vh; display: grid; place-items: center; }
.not-found-card { width: min(620px, calc(100% - 42px)); padding: 65px 0; }
.not-found h1 { font-size: clamp(3rem, 7vw, 5rem); }
.not-found-card > p:not(.eyebrow) { margin-bottom: 30px; color: var(--muted); font-size: 1.1rem; }

@media (max-width: 960px) {
  .header-inner { flex-wrap: wrap; padding-block: 14px; }
  .site-header nav { margin-left: auto; }
  .header-action { display: none; }
  .hero { grid-template-columns: 1fr; gap: 52px; padding-block: 74px 94px; }
  .hero-art { max-width: 720px; }
  .faq-layout { gap: 5%; }
}
@media (max-width: 700px) {
  html { scroll-padding-top: 115px; }
  .shell { width: min(100% - 34px, 1180px); }
  .header-inner { gap: 13px; align-items: flex-start; }
  .brand img { width: 132px; }
  .site-header nav { flex-basis: 100%; margin-left: 0; gap: 10px 20px; flex-wrap: wrap; }
  .site-header nav a { font-size: .78rem; }
  .hero { gap: 37px; padding-block: 57px 80px; }
  .hero h1 { margin: 20px 0; font-size: clamp(3.35rem, 13vw, 5rem); }
  .hero-lead { font-size: 1.02rem; }
  .hero-actions { gap: 18px; margin-top: 27px; }
  .status-note { margin-top: 25px; }
  .hero-art { padding: 13px; border-radius: 16px; }
  .art-line { grid-template-columns: 37px minmax(0, 1fr) 15px; gap: 9px; padding: 15px 11px; }
  .art-line small { font-size: .7rem; }
  .art-icon { font-size: 1rem; }
  .principle-section, .plans-section, .faq-section { padding-block: 73px; }
  .section-heading h2, .faq-layout h2, .contact-section h2 { font-size: clamp(2.35rem, 9vw, 3.35rem); }
  .principles, .plans, .faq-layout, .contact-layout { grid-template-columns: 1fr; }
  .principles { gap: 14px; margin-top: 36px; }
  .principle { min-height: 0; }
  .plans { margin-top: 35px; }
  .plan { padding: 28px 23px; }
  .plan-intro { min-height: 0; }
  .faq-layout { gap: 30px; }
  .contact-layout { gap: 25px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner small { grid-column: auto; }
  .legal { margin-block: 27px 60px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button:hover { transform: none; }
}