:root {
  --blue-100: #E7F4FD;
  --blue-200: #98BAD2;
  --blue-300: #5D89A7;
  --blue-400: #315D7D;
  --blue-500: #123852;
  --blue-600: #031F33;
  --blue-700: #020f1b;
  --surface-glass: rgba(231, 244, 253, 0.08);
  --surface-deep: rgba(3, 31, 51, 0.7);
  --surface-card: linear-gradient(145deg, rgba(18, 56, 82, 0.92), rgba(3, 31, 51, 0.86));
  --line-soft: rgba(152, 186, 210, 0.28);
  --shadow-soft: 0 20px 55px rgba(1, 11, 21, 0.42);
  --radius-md: 20px;
  --radius-sm: 12px;
  --font-display: "mono45-headline", "Courier New", Courier, monospace;
  --font-body: "Futura", "Futura PT", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--blue-100);
  line-height: 1.68;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  position: relative;
  background: var(--blue-600);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 10% 10%, rgba(152, 186, 210, 0.25), transparent 42%),
    radial-gradient(circle at 87% 12%, rgba(93, 137, 167, 0.22), transparent 38%),
    radial-gradient(circle at 50% 95%, rgba(49, 93, 125, 0.2), transparent 45%),
    linear-gradient(150deg, #031F33 0%, #123852 48%, #031F33 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(231, 244, 253, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 244, 253, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
}

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

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

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-style: normal;
  letter-spacing: 0.01em;
  line-height: 0.98;
  text-wrap: balance;
}

p {
  margin: 0;
  color: rgba(231, 244, 253, 0.88);
  text-wrap: pretty;
}

main {
  padding: 0 1.4rem 4rem;
}

.page-shell {
  max-width: 1240px;
  margin: 0 auto;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.2, 0.9, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.cursor-glow {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 360px;
  height: 360px;
  pointer-events: none;
  border-radius: 50%;
  z-index: 50;
  opacity: 0.42;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(152, 186, 210, 0.34), rgba(152, 186, 210, 0));
  mix-blend-mode: screen;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 1.4rem 0;
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.72rem 0.9rem;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(3, 31, 51, 0.7);
  box-shadow: 0 18px 50px rgba(1, 11, 21, 0.28);
  backdrop-filter: blur(18px);
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(231, 244, 253, 0.08);
  border: 1px solid rgba(231, 244, 253, 0.16);
}

.brand-mark img {
  width: 32px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav a,
.menu-toggle {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  color: rgba(231, 244, 253, 0.82);
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.menu-toggle:hover,
.menu-toggle:focus-visible {
  color: #fff;
  background: rgba(231, 244, 253, 0.1);
  border-color: rgba(231, 244, 253, 0.2);
  outline: none;
}

.menu-toggle {
  display: none;
}

.external-link-indicator {
  display: inline-block;
  font-size: 0.7em;
  transform: translateY(-0.08em);
}

.support-intro {
  padding: clamp(4.8rem, 10vw, 8rem) 0 clamp(2rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: minmax(180px, 300px) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
}

.support-logo {
  width: min(100%, 280px);
  filter: drop-shadow(0 24px 36px rgba(1, 11, 21, 0.42));
}

.eyebrow,
.section-kicker {
  margin-bottom: 0.75rem;
  color: var(--blue-200);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.support-intro h1 {
  max-width: 900px;
  font-size: clamp(2.3rem, 6vw, 5.6rem);
}

.support-intro p:last-child {
  max-width: 760px;
  margin-top: 1.2rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.section {
  padding: clamp(2.4rem, 7vw, 5.5rem) 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(1.4rem, 4vw, 2.4rem);
}

.section-head h2 {
  font-size: clamp(2rem, 4.6vw, 4.3rem);
}

.section-head > p {
  max-width: 460px;
}

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

.question-group,
.form-panel,
.summary-panel {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
}

.question-group {
  padding: clamp(1rem, 3vw, 1.35rem);
}

.question-group h3,
.form-panel h3,
.summary-panel h3 {
  margin-bottom: 1rem;
  font-size: clamp(1.35rem, 2.5vw, 2.1rem);
}

.faq-item {
  border-top: 1px solid rgba(152, 186, 210, 0.2);
}

.faq-item:first-of-type {
  border-top: 0;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 2rem 1rem 0;
  position: relative;
  color: #fff;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 1rem;
  color: var(--blue-200);
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item p {
  padding: 0 0 1.1rem;
  color: rgba(231, 244, 253, 0.78);
}

.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  gap: 1rem;
  align-items: start;
}

.form-panel,
.summary-panel {
  padding: clamp(1rem, 3vw, 1.5rem);
}

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

.field {
  display: grid;
  gap: 0.4rem;
}

.field.wide {
  grid-column: 1 / -1;
}

label {
  color: var(--blue-200);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(152, 186, 210, 0.32);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  color: #fff;
  font: inherit;
  background: rgba(2, 15, 27, 0.46);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: rgba(231, 244, 253, 0.42);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(231, 244, 253, 0.72);
  box-shadow: 0 0 0 4px rgba(152, 186, 210, 0.12);
  background: rgba(2, 15, 27, 0.62);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  margin-top: 1.1rem;
  border: 1px solid rgba(231, 244, 253, 0.72);
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  color: var(--blue-700);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--blue-100);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(1, 11, 21, 0.28);
  outline: none;
}

.notice-success {
  display: none;
  margin-top: 0.75rem;
  color: var(--blue-200);
  font-size: 0.95rem;
}

.notice-success.is-visible {
  display: block;
}

.summary-panel {
  position: sticky;
  top: 6.5rem;
}

.summary-list {
  display: grid;
  gap: 0.7rem;
  margin: 1.25rem 0;
  padding: 0;
  list-style: none;
}

.summary-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(152, 186, 210, 0.18);
}

.summary-list span {
  color: rgba(231, 244, 253, 0.64);
}

.summary-list strong {
  text-align: right;
}

.social-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.social-strip a {
  border: 1px solid rgba(152, 186, 210, 0.28);
  border-radius: 999px;
  padding: 0.45rem 0.7rem;
  color: var(--blue-100);
  background: rgba(231, 244, 253, 0.08);
}

.site-footer {
  padding: 0 1.4rem 1.4rem;
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
}

.footer-inner a {
  color: var(--blue-200);
}

@media (max-width: 920px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    left: 1.4rem;
    right: 1.4rem;
    top: calc(100% + 0.7rem);
    display: grid;
    padding: 0.75rem;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    background: rgba(3, 31, 51, 0.94);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .site-nav a {
    width: 100%;
  }

  .support-intro,
  .support-layout,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    display: grid;
  }

  .summary-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  main,
  .site-header,
  .site-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .support-intro {
    padding-top: 3.8rem;
  }

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

  .footer-inner {
    display: grid;
  }

  .cursor-glow {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}