/* Night Eyes. One stylesheet for every page.
   Palette and type live in :root; change them there and all pages follow. */

:root {
  color-scheme: dark;
  --bg: #030b17;
  --text: #f5f7fd;
  --muted: #a8b9cf;
  --legal-text: #c3cbdb;
  --cyan: #12d7ed;
  --line: #203243;
  --panel: #0a1525;
  --panel-line: #2b465c;
  --font: Inter, Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }

/* Elements given display: flex/grid below must still disappear when hidden. */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button, a, input, select { font: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 5px;
}

.wrap {
  width: min(1360px, calc(100% - 112px));
  margin: auto;
}

h2 {
  margin: 15px 0;
  font-size: 38px;
  line-height: 1.2;
  letter-spacing: -1.3px;
}

.label {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 28px;
  padding: 12px 20px;
  border: 1px solid #0b5263;
  border-radius: 40px;
  background: #03232d70;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 20px 28px;
  border: 1px solid #277eff;
  border-radius: 12px;
  background: linear-gradient(155deg, #258dff, #0752f1);
  box-shadow: 0 12px 35px #0055ff15;
  color: #fff;
  font-weight: 650;
  transition: transform .2s, filter .2s;
}
.btn:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
}

/* ---------- Header ---------- */

.site-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 110px;
}

.brand {
  font-size: 30px;
  font-weight: 850;
  letter-spacing: -1px;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 35px;
}
.site-header nav a:not(.btn),
.plain {
  color: var(--muted);
  font-size: 15px;
}
.site-header nav a:not(.btn):hover,
.plain:hover { color: var(--text); }
.plain {
  padding: 0;
  border: 0;
  background: none;
}
.site-header .btn {
  padding: 15px 24px;
  font-size: 14px;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 660px;
  overflow: hidden;
}

.art {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #030b17 0%, #030b170d 58%, transparent 75%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  z-index: 1;
  padding: 50px 0 58px;
}

.hero h1 {
  max-width: 850px;
  margin: 8px 0 28px;
  font-size: clamp(52px, 6.2vw, 92px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -4px;
}
.hero h1 span {
  display: block;
  background: linear-gradient(95deg, #8e6df5, #527fff 49%, #06bed2 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.intro {
  max-width: 610px;
  margin: 0 0 40px;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.65;
}

.hero .btn {
  min-width: 310px;
  font-size: 18px;
}

.note {
  margin-top: 23px;
  color: var(--muted);
  font-size: 13px;
}

/* ---------- How it works ---------- */

.steps {
  padding: 45px 0;
  border-block: 1px solid var(--line);
}
.steps .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.step {
  padding: 0 42px;
  border-right: 1px solid var(--line);
}
.step:first-child { padding-left: 0; }
.step:last-child { border: 0; }

.num {
  color: var(--cyan);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
}

.step h2 {
  margin: 10px 0;
  font-size: 27px;
  letter-spacing: -.8px;
}
.step p {
  max-width: 300px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- FAQ ---------- */

.details {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 100px;
  padding: 80px 0;
}
.details > div > p {
  max-width: 400px;
  color: var(--muted);
}

details {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
summary {
  display: flex;
  justify-content: space-between;
  gap: 25px;
  font-size: 17px;
  list-style: none;
  cursor: pointer;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  color: var(--cyan);
}
details[open] summary::after { content: "−"; }
details p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- Legal pages ---------- */

.page-banner {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--line);
}
.page-banner h1 {
  max-width: 820px;
  margin: 0 auto;
  font-size: clamp(38px, 4.5vw, 56px);
  font-weight: 800;
  letter-spacing: -2px;
}

.legal {
  max-width: 820px;
  margin: auto;
  padding: 50px 0 90px;
  color: var(--legal-text);
  font-size: 15px;
  line-height: 1.75;
  overflow-wrap: break-word;
}
.legal h2 {
  margin: 44px 0 12px;
  color: var(--text);
  font-size: 22px;
  letter-spacing: -.4px;
}
.legal ul { padding-left: 22px; }
.legal li + li { margin-top: 6px; }
.legal a { color: var(--cyan); text-decoration: underline; }

/* ---------- 404 ---------- */

.not-found {
  min-height: 55vh;
  padding: 100px 0;
}
.not-found h2 { font-size: clamp(38px, 4.5vw, 56px); }
.not-found p {
  margin-bottom: 36px;
  color: var(--muted);
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-links a,
.footer-links button {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-decoration: underline;
}
.footer-links a:hover,
.footer-links button:hover { color: var(--text); }

/* ---------- Dialogs ----------
   Built on the HTML popover attribute, so they open, close, light-dismiss
   and respond to Esc with no JavaScript (the CSP blocks all scripts). */

.modal {
  width: min(540px, calc(100% - 30px));
  max-height: calc(100% - 30px);
  padding: 35px;
  border: 1px solid var(--panel-line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 30px 100px #0008;
  color: #fff;
  line-height: 1.6;
}
.modal::backdrop {
  background: #010611cc;
  backdrop-filter: blur(8px);
}
.modal h2 { font-size: 30px; }
.modal p { color: var(--muted); }

.close {
  position: absolute;
  top: 12px;
  right: 18px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 28px;
}
.close:hover { color: var(--text); }

.preview {
  padding: 16px;
  border: 1px solid #315369;
  border-radius: 10px;
  background: #0d2432;
  color: var(--muted);
  font-size: 14px;
}

.modal-btn {
  width: 100%;
  margin-top: 25px;
}

/* ---------- Signup form ---------- */

.visually-hidden,
.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.modal-form { width: min(600px, calc(100% - 30px)); }

.progress {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 4px 36px 30px 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.progress li::before {
  content: "";
  display: block;
  height: 4px;
  margin-bottom: 8px;
  border-radius: 4px;
  background: var(--line);
}
.progress .is-done::before { background: linear-gradient(90deg, #258dff, var(--cyan)); }
.progress .is-current { color: var(--text); }

.step-panel {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}
.step-panel legend { padding: 0; }
.step-panel h3 {
  margin: 0 0 6px;
  font-size: 26px;
  letter-spacing: -.6px;
}
.step-intro { margin: 0 0 24px; }

.question { margin-bottom: 22px; }
.q-label {
  margin: 0 0 12px;
  color: var(--text) !important;
  font-size: 16px;
}
.q-label span { color: var(--cyan); }

.choices {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.choice {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--panel-line);
  border-radius: 12px;
  background: #0d1b2e;
  font-size: 15px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.choice:hover { border-color: #3f6a8c; }
.choice:has(:checked) {
  border-color: #258dff;
  background: #0e2544;
}
.choice:has(:focus-visible) {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.signup input[type="radio"],
.signup input[type="checkbox"] {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: #258dff;
}

.field { margin-bottom: 18px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
}
.optional {
  margin-left: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.signup input[type="text"],
.signup input[type="tel"],
.signup input[type="email"],
.signup select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--panel-line);
  border-radius: 12px;
  background: #0d1b2e;
  color: var(--text);
  font-size: 16px;
}
.signup input::placeholder { color: #6f8299; }
.signup input:focus-visible,
.signup select:focus-visible {
  border-color: #258dff;
  outline: 3px solid #258dff40;
  outline-offset: 0;
}
.signup input[aria-invalid="true"],
.signup select[aria-invalid="true"] { border-color: #ff6b81; }

.signup select {
  appearance: none;
  padding-right: 44px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%;
  background-size: 6px 6px;
  background-repeat: no-repeat;
}
.signup option { background: var(--panel); }

.check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 6px 0 4px;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
}
.check input { margin-top: 2px !important; }
.check .optional { margin-left: 0; }

.disclaimer {
  margin: 4px 0 0;
  font-size: 14px;
}
.modal p a { color: var(--text); text-decoration: underline; }

.eligible-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--cyan) !important;
  font-size: 14px;
}
.eligible-note::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--cyan);
  border-radius: 50%;
  font-size: 11px;
}

/* Per-field message, between the label and the input. */
.field-error {
  margin: -2px 0 8px;
  color: #ff8fa0 !important;
  font-size: 13px;
}
.q-label + .field-error { margin: -4px 0 12px; }

.form-error {
  margin: 14px 0 0;
  color: #ff8fa0 !important;
  font-size: 14px;
}
.form-error:empty { display: none; }

.step-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.step-actions .btn {
  flex: 1;
  padding: 17px 24px;
  font-size: 16px;
}
.step-actions .btn:disabled {
  opacity: .6;
  cursor: wait;
  transform: none;
}
.back {
  flex: none;
  width: 58px;
  border: 1px solid var(--panel-line);
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  font-size: 20px;
}
.back:hover { border-color: #3f6a8c; }

.done h3 { margin-top: 12px; }

/* ---------- Responsive ---------- */

@media (min-width: 1600px) {
  .hero { min-height: 740px; }
}

@media (max-width: 900px) {
  .wrap { width: calc(100% - 48px); }

  .site-header { height: 90px; }
  .brand { font-size: 24px; }
  .site-header nav { gap: 20px; }
  .site-header nav .plain,
  .site-header nav a:not(.btn) { display: none; }
  .site-header .btn { padding: 12px 16px; font-size: 12px; }

  .hero { align-items: flex-start; min-height: 720px; }
  .hero .wrap { padding-top: 35px; }
  .art { object-position: 65% center; opacity: .53; }
  .hero::after { background: linear-gradient(180deg, #030b1766, #030b1700 60%, #030b17); }
  .hero h1 { max-width: 680px; font-size: clamp(45px, 8vw, 70px); letter-spacing: -2.8px; }
  .intro { max-width: 520px; font-size: 18px; }

  .steps .wrap { gap: 25px; }
  .step { padding: 0 15px; }
  .step h2 { font-size: 21px; }

  .details { grid-template-columns: 1fr 1.2fr; gap: 40px; }
}

@media (max-width: 580px) {
  .wrap { width: calc(100% - 40px); }

  .brand { font-size: 22px; }
  .site-header .btn { padding: 12px; font-size: 11px; }

  .hero { min-height: 700px; }
  .art { object-position: 70% center; opacity: .38; }
  .eyebrow { margin-bottom: 25px; padding: 10px 13px; font-size: 9px; letter-spacing: 1.7px; }
  .hero h1 { font-size: 49px; line-height: 1.09; }
  .intro { max-width: 345px; font-size: 17px; }
  .hero .btn { width: 100%; min-width: 0; font-size: 16px; }
  .note { font-size: 11px; }

  .steps .wrap { display: block; }
  .step,
  .step:first-child { padding: 24px 0; border: 0; border-bottom: 1px solid var(--line); }
  .step:first-child { padding-top: 0; }
  .step:last-child { padding-bottom: 0; border-bottom: 0; }
  .step h2 { font-size: 26px; }
  .step p { max-width: none; }

  .details { display: block; padding: 55px 0; }
  .details > div:first-child { margin-bottom: 25px; }
  h2 { font-size: 32px; }

  .page-banner { padding: 40px 0 30px; }
  .legal { padding: 30px 0 60px; }
  .not-found { padding: 60px 0; }

  .site-footer .wrap { flex-direction: column; }
  .modal { padding: 30px 20px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .step-panel h3 { font-size: 23px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}