:root {
  color-scheme: dark;
  --bg: #001b2a;
  --panel: #073b56;
  --panel-2: #0a4969;
  --line: rgba(0, 197, 216, .28);
  --text: #f6fbff;
  --muted: #b6c7d0;
  --cyan: #04c5d8;
  --green: #55d87a;
  --blue: #0878bf;
  --danger: #ffb5b5;
}

* {
  box-sizing: border-box;
}

body.signup-page {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 0%, rgba(4, 197, 216, .22), transparent 34rem),
    linear-gradient(180deg, #00111c 0%, var(--bg) 42%, #00111c 100%);
  color: var(--text);
  font-family: Poppins, Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.signup-shell {
  width: min(980px, calc(100% - 28px));
  margin: 0 auto;
  padding: 36px 0 56px;
}

.signup-hero {
  padding: 28px 18px 24px;
  text-align: center;
}

.signup-brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  line-height: .9;
  margin-bottom: 18px;
}

.signup-logo-main {
  font-size: clamp(3rem, 10vw, 5.7rem);
  font-weight: 900;
  letter-spacing: 0;
}

.signup-logo-sub {
  color: var(--green);
  font-size: clamp(1.1rem, 3.4vw, 2rem);
  font-weight: 900;
  letter-spacing: .38em;
  text-transform: uppercase;
  transform: translateX(.18em);
}

.signup-eyebrow {
  color: var(--green);
  font-size: .88rem;
  font-weight: 900;
  letter-spacing: .14em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.signup-hero h1 {
  font-size: clamp(2.3rem, 7vw, 4.6rem);
  line-height: .98;
  margin: 0;
  letter-spacing: 0;
}

.signup-copy {
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  max-width: 680px;
  margin: 18px auto 0;
}

.signup-card {
  background: linear-gradient(180deg, rgba(10, 73, 105, .98), rgba(7, 59, 86, .98));
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 22px 50px rgba(0, 0, 0, .36);
  padding: clamp(18px, 4vw, 30px);
}

.signup-progress {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}

.signup-progress span {
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 900;
  padding: 9px 8px;
  text-align: center;
  text-transform: uppercase;
}

.signup-progress span.active {
  background: linear-gradient(90deg, var(--green), var(--cyan));
  border-color: transparent;
  color: #001b2a;
}

.signup-alert {
  background: rgba(0, 27, 42, .58);
  border-left: 4px solid var(--green);
  border-radius: 9px;
  color: var(--text);
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 22px;
  padding: 13px 15px;
}

.signup-alert.error {
  border-left-color: #ff5f5f;
  color: var(--danger);
}

.signup-step h2 {
  font-size: clamp(1.65rem, 5vw, 2.35rem);
  line-height: 1.05;
  margin: 0 0 18px;
}

.signup-muted {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.45;
}

.signup-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.compact-grid {
  margin-bottom: 16px;
}

label {
  color: var(--muted);
  display: block;
  font-size: .88rem;
  font-weight: 900;
}

input,
select,
textarea {
  appearance: none;
  background: #062f43;
  border: 1px solid rgba(4, 197, 216, .62);
  border-radius: 10px;
  color: var(--text);
  display: block;
  font: inherit;
  font-weight: 800;
  margin-top: 7px;
  min-height: 48px;
  outline: none;
  padding: 12px 13px;
  width: 100%;
}

textarea {
  min-height: 84px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
.plan-choice:focus-visible,
.signup-primary:focus-visible {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(85, 216, 122, .18);
}

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

.signup-primary {
  align-items: center;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  border: 0;
  border-radius: 11px;
  color: #001b2a;
  cursor: pointer;
  display: inline-flex;
  font-size: 1rem;
  font-weight: 950;
  justify-content: center;
  margin-top: 20px;
  min-height: 56px;
  padding: 14px 22px;
  text-decoration: none;
  width: 100%;
}

.signup-primary:disabled {
  cursor: wait;
  filter: grayscale(.35);
  opacity: .76;
}

.signup-link-button {
  max-width: 420px;
}

.hidden {
  display: none !important;
}

.plan-picker {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.plan-choice {
  background: rgba(0, 27, 42, .55);
  border: 1px solid rgba(4, 197, 216, .28);
  border-radius: 14px;
  color: var(--text);
  cursor: pointer;
  min-height: 132px;
  padding: 14px;
  text-align: left;
}

.plan-choice.active {
  border-color: var(--green);
  box-shadow: inset 0 0 0 1px rgba(85, 216, 122, .8), 0 12px 28px rgba(0, 0, 0, .18);
}

.plan-choice span,
.plan-choice strong,
.plan-choice small {
  display: block;
}

.plan-choice span {
  font-weight: 950;
  min-height: 38px;
}

.plan-choice strong {
  color: var(--green);
  font-size: 1.38rem;
  margin-top: 10px;
}

.plan-choice small {
  color: var(--muted);
  font-weight: 800;
  margin-top: 6px;
}

.line-builder {
  display: grid;
  gap: 14px;
}

.line-card {
  background: rgba(0, 27, 42, .42);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 14px;
  padding: 16px;
}

.line-card-head {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.line-card h3 {
  font-size: 1.2rem;
  margin: 0;
}

.line-card-head span {
  background: rgba(85, 216, 122, .16);
  border: 1px solid rgba(85, 216, 122, .38);
  border-radius: 999px;
  color: var(--green);
  font-size: .78rem;
  font-weight: 950;
  padding: 6px 10px;
  text-transform: uppercase;
}

.port-fields {
  border-top: 1px solid rgba(255, 255, 255, .1);
  margin-top: 14px;
  padding-top: 14px;
}

.signup-total,
.checkout-summary {
  background: rgba(0, 27, 42, .58);
  border: 1px solid rgba(4, 197, 216, .24);
  border-radius: 12px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.45;
  margin-top: 18px;
  padding: 15px;
}

.checkout-summary p {
  margin: 4px 0;
}

@media (max-width: 760px) {
  .signup-shell {
    width: min(100% - 18px, 520px);
    padding-top: 18px;
  }

  .signup-card {
    border-radius: 16px;
    padding: 16px;
  }

  .signup-progress {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .signup-grid,
  .plan-picker {
    grid-template-columns: 1fr;
  }

  .plan-choice {
    min-height: 0;
  }
}