:root {
  --bg: #050a13;
  --panel: #0a1220;
  --panel-soft: #0d182a;
  --navy: #07152c;
  --blue: #4f8df0;
  --blue-dark: #245cb6;
  --blue-soft: #dceaff;
  --white: #ffffff;
  --text: #eef4ff;
  --muted: #aebbd0;
  --line: #1c2c45;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--white);
  color: #000;
  font-weight: 700;
}

.skip-link:focus {
  left: 12px;
}

.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #040914;
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 23px;
  font-size: 0.92rem;
  font-weight: 700;
}

.main-nav a:not(.nav-button):hover,
.main-nav a:not(.nav-button):focus-visible {
  color: #8db8ff;
}

.nav-button {
  padding: 10px 15px;
  background: var(--blue);
  border: 1px solid var(--blue);
  color: #07101f;
}

.nav-button:hover,
.nav-button:focus-visible {
  background: #72a5f6;
}

.menu-button {
  display: none;
  width: 44px;
  height: 40px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
}

.hero {
  min-height: 620px;
  display: flex;
  align-items: center;
  position: relative;
  isolation: isolate;
  background-image:
    linear-gradient(90deg, rgba(2, 7, 16, 0.72), rgba(2, 7, 16, 0.56), rgba(2, 7, 16, 0.78)),
    url("../assets/banner.png?v=2");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(4, 9, 20, 0.06) 0%, rgba(4, 9, 20, 0.36) 100%);
  pointer-events: none;
}

.hero-grid {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 76px 0;
}

.hero-panel {
  width: min(100%, 780px);
  margin: 0 auto;
  padding: 34px 38px 30px;
  text-align: center;
  background: rgba(4, 10, 20, 0.20);
  border: 1px solid rgba(122, 169, 239, 0.10);
  box-shadow: none;
  backdrop-filter: blur(1px);
}

.eyebrow,
.section-label {
  margin: 0 0 10px;
  color: #82aff7;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.section-label-light {
  color: #bcd5ff;
}

.hero h1,
.section h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 700px;
  margin: 0 auto;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  text-transform: uppercase;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.68);
}

.hero-text {
  max-width: 650px;
  margin: 18px auto 0;
  color: #c3d0e4;
  font-size: 1.03rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.75);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 25px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 18px;
  border: 1px solid transparent;
  font-weight: 800;
}

.button-primary {
  background: var(--blue);
  color: #061020;
  border-color: var(--blue);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #76a8f7;
}

.button-secondary {
  background: rgba(4, 11, 22, 0.28);
  border-color: #395170;
  color: var(--white);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: #6f9cde;
  background: #0a172a;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.hero-features > div {
  min-width: 0;
  padding: 13px 12px;
  text-align: left;
  background: rgba(8, 18, 34, 0.30);
  border: 1px solid rgba(95, 132, 186, 0.25);
}

.hero-features strong,
.hero-features span {
  display: block;
}

.hero-features strong {
  font-size: 0.92rem;
}

.hero-features span {
  margin-top: 2px;
  color: #9eacc1;
  font-size: 0.78rem;
  line-height: 1.4;
}

.invite-note {
  margin: 14px auto 0;
  color: #b3c0d5;
  font-size: 0.82rem;
}


.section {
  padding: 82px 0;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3.35rem);
}

.section-copy p:not(.section-label) {
  max-width: 720px;
  margin: 17px 0 0;
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  align-items: center;
  gap: 70px;
}

.identity-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.identity-card img {
  width: 96px;
  height: 96px;
  object-fit: contain;
}

.identity-card div {
  display: flex;
  flex-direction: column;
}

.identity-name {
  font-size: 1.45rem;
  font-weight: 900;
}

.identity-tagline {
  color: #8eb9ff;
}

.section-blue {
  background: #0b2a5a;
  border-top: 1px solid #1e4c8b;
  border-bottom: 1px solid #1e4c8b;
}

.section-intro {
  max-width: 760px;
  margin: 16px 0 0;
  color: #c2d5f3;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.card {
  min-height: 245px;
  padding: 22px;
  background: #081a39;
  border: 1px solid #275695;
}

.card-number {
  display: block;
  margin-bottom: 45px;
  color: #7eabef;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  color: #bdcee8;
  font-size: 0.94rem;
}

.start-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 70px;
}

.steps {
  display: grid;
  gap: 12px;
}

.step {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 18px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.step > span {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  background: #102a52;
  color: #a8c8fb;
  font-weight: 900;
}

.step h3 {
  margin: 0 0 4px;
  font-size: 1.1rem;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.section-dark {
  background: #02050a;
  border-top: 1px solid var(--line);
}

.final-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.final-callout p:not(.section-label) {
  margin: 14px 0 0;
  color: var(--muted);
}

.final-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-shrink: 0;
}

.button-light {
  background: var(--white);
  color: #050a13;
}

.button-light:hover,
.button-light:focus-visible {
  background: var(--blue-soft);
}

.text-link {
  color: #9ec4ff;
  font-weight: 800;
}

.site-footer {
  padding: 28px 0;
  background: #02050a;
  border-top: 1px solid #111b29;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.footer-inner p {
  margin: 0;
  color: #748197;
  font-size: 0.82rem;
  text-align: right;
}

@media (max-width: 960px) {
  .menu-button {
    display: inline-grid;
    place-items: center;
  }

  .main-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 20px;
    background: #040914;
    border-bottom: 1px solid var(--line);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 12px 6px;
  }

  .nav-button {
    margin-top: 7px;
    text-align: center;
  }

  .about-grid,
  .start-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .identity-card {
    max-width: 520px;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--max-width));
  }

  .brand span {
    font-size: 0.95rem;
  }

  .hero {
    min-height: auto;
    background-position: center center;
  }

  .hero-grid {
    padding: 48px 0;
  }

  .hero-panel {
    padding: 28px 20px 24px;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 11vw, 3.4rem);
  }

  .hero-features {
    grid-template-columns: 1fr;
  }

  .hero-features > div {
    text-align: center;
  }

  .hero-actions,
  .final-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 64px 0;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 210px;
  }

  .card-number {
    margin-bottom: 28px;
  }

  .identity-card {
    align-items: flex-start;
  }

  .identity-card img {
    width: 74px;
    height: 74px;
  }

  .final-callout,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner p {
    text-align: left;
  }
}