:root {
  --ink: #17211d;
  --muted: #60706a;
  --paper: #f4f7f6;
  --surface: #ffffff;
  --line: #d7e0dc;
  --blue: #006ae3;
  --blue-dark: #044f9f;
  --green: #1c5d4b;
  --green-dark: #10372c;
  --steel: #26343f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 12px 5vw;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.logo img {
  width: 220px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  padding: 8px 10px;
  color: var(--muted);
  border-radius: 5px;
  font-size: 14px;
  text-decoration: none;
}

.nav a:hover,
.nav .active {
  color: var(--ink);
  background: rgba(0, 106, 227, 0.08);
}

.nav .quote {
  color: #fff;
  background: var(--blue);
  font-weight: 800;
}

.hero {
  display: grid;
  min-height: min(520px, calc(100vh - 210px));
  align-items: center;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(9, 18, 32, 0.9), rgba(9, 18, 32, 0.58) 64%, rgba(9, 18, 32, 0.32)),
    url("/static/style/starry/images/banner/index_01.jpg") center/cover no-repeat;
}

.inner {
  width: min(1080px, calc(100% - 42px));
  margin: 0 auto;
}

.hero-copy {
  max-width: 760px;
  padding: 64px 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: #8ec6ff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: 52px;
  line-height: 1.06;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  color: #fff;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 5px;
  font-weight: 800;
  text-decoration: none;
}

.btn.secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
}

.section {
  padding: 68px 0;
}

.section.white {
  background: var(--surface);
}

.section h2 {
  margin-bottom: 12px;
  color: var(--green-dark);
  font-size: 34px;
  line-height: 1.16;
}

.section-intro {
  max-width: 760px;
  margin-bottom: 28px;
  color: var(--muted);
}

.notice {
  padding: 22px 24px;
  background: #eef6ff;
  border-left: 4px solid var(--blue);
}

.notice strong {
  display: block;
  margin-bottom: 5px;
  color: var(--blue-dark);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  counter-reset: nda-step;
}

.step,
.handling-item {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
}

.step {
  position: relative;
  padding-top: 58px;
}

.step::before {
  counter-increment: nda-step;
  content: counter(nda-step, decimal-leading-zero);
  position: absolute;
  top: 20px;
  left: 24px;
  color: var(--blue);
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
}

.step h3,
.handling-item h3 {
  margin-bottom: 8px;
  color: var(--green-dark);
  font-size: 20px;
}

.step p,
.handling-item p,
.handling-item li {
  color: var(--muted);
}

.handling-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.handling-item ul {
  margin: 0;
  padding-left: 19px;
}

.contact-band {
  color: #fff;
  background: var(--green-dark);
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
}

.contact-band h2 {
  color: #fff;
}

.contact-band p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
}

.footer {
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.68);
  background: #20252b;
}

.footer .inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer a {
  color: #fff;
}

@media (max-width: 820px) {
  .site-header {
    position: static;
  }

  .steps,
  .handling-grid,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 40px;
  }
}

@media (max-width: 620px) {
  .site-header {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 14px;
  }

  .logo img {
    width: 148px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    flex: 0 0 auto;
    padding: 6px 8px;
    font-size: 12px;
    white-space: nowrap;
  }

  .hero {
    min-height: 470px;
  }

  .hero-copy {
    padding: 54px 0;
  }

  h1 {
    font-size: 34px;
  }

  .lead {
    font-size: 16px;
  }

  .section {
    padding: 52px 0;
  }

  .section h2 {
    font-size: 28px;
  }

  .inner {
    width: min(100% - 28px, 1080px);
  }

  .btn {
    width: 100%;
  }
}