@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  --color-cosmic-black: #070912;
  --color-deep-space: #0d1020;
  --color-smoke-glass: rgba(24, 27, 48, 0.62);
  --color-smoke-glass-strong: rgba(12, 15, 30, 0.84);
  --color-platinum: #eceaf4;
  --color-moon-silver: #b5b5c8;
  --color-muted-slate: #85879d;
  --color-indigo: #6366f1;
  --color-violet: #9b5cff;
  --color-cyan: #49d6e8;
  --color-neon-pink: #f45bce;
  --color-focus-ring: #8be9ff;

  --color-border: rgba(196, 195, 232, 0.14);
  --color-border-strong: rgba(196, 195, 232, 0.24);
  --color-reflection: rgba(255, 255, 255, 0.055);

  --font-body: "Inter", Arial, Helvetica, sans-serif;
  --font-heading: "Space Grotesk", "Inter", Arial, Helvetica, sans-serif;

  --text-label: 0.75rem;
  --text-meta: 0.875rem;
  --text-body: 1rem;
  --text-lead: 1.125rem;
  --text-h4: 1.5rem;
  --text-h3: 2rem;
  --text-h2: clamp(2.25rem, 4vw, 2.75rem);
  --text-h1: clamp(3rem, 7vw, 5.5rem);

  --leading-label: 1.333;
  --leading-meta: 1.5;
  --leading-body: 1.625;
  --leading-lead: 1.556;
  --leading-h4: 1.292;
  --leading-h3: 1.188;
  --leading-h2: 1.091;
  --leading-h1: 0.98;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 5rem;
  --space-10: 7rem;
  --space-11: 9rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-pill: 999px;

  --container-max: 77.5rem;
  --container-padding: 2rem;

  --shadow-aurora: 0 0 2rem rgba(99, 102, 241, 0.12);
  --shadow-aurora-strong: 0 0 2.5rem rgba(155, 92, 255, 0.18);
  --transition-fast: 180ms ease-out;
  --transition-base: 240ms ease-out;
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--color-cosmic-black);
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 14% 18%, rgba(99, 102, 241, 0.1), transparent 28rem),
    radial-gradient(circle at 88% 28%, rgba(244, 91, 206, 0.07), transparent 26rem),
    var(--color-cosmic-black);
  color: var(--color-platinum);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-body);
  overflow-wrap: break-word;
  hyphens: auto;
}

::selection {
  background: rgba(139, 233, 255, 0.28);
  color: var(--color-platinum);
}

main,
header,
footer,
section,
article,
aside,
nav,
div {
  min-width: 0;
}

img,
picture,
svg,
video,
canvas,
iframe {
  display: block;
  max-width: 100%;
}

img,
video {
  height: auto;
  object-fit: cover;
}

svg {
  fill: currentColor;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  cursor: pointer;
}

textarea {
  min-height: 7rem;
  resize: vertical;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

a {
  color: var(--color-platinum);
  text-decoration-color: rgba(73, 214, 232, 0.42);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition:
    color var(--transition-fast),
    text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-cyan);
  text-decoration-color: currentColor;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-block: 0 var(--space-5);
  color: var(--color-platinum);
  font-family: var(--font-heading);
  font-weight: 600;
  overflow-wrap: anywhere;
}

h1 {
  font-size: var(--text-h1);
  letter-spacing: -0.035em;
  line-height: var(--leading-h1);
}

h2 {
  font-size: var(--text-h2);
  letter-spacing: -0.03em;
  line-height: var(--leading-h2);
}

h3 {
  font-size: var(--text-h3);
  letter-spacing: -0.025em;
  line-height: var(--leading-h3);
}

h4 {
  font-size: var(--text-h4);
  letter-spacing: -0.02em;
  line-height: var(--leading-h4);
}

h5,
h6 {
  font-size: var(--text-body);
  letter-spacing: -0.01em;
  line-height: var(--leading-body);
}

p {
  margin-block: 0 var(--space-5);
  color: var(--color-moon-silver);
  line-height: var(--leading-body);
}

small {
  font-size: var(--text-meta);
  line-height: var(--leading-meta);
}

strong,
b {
  color: var(--color-platinum);
  font-weight: 600;
}

em {
  color: inherit;
}

blockquote {
  margin: 0 0 var(--space-5);
  padding: var(--space-5) 0 var(--space-5) var(--space-5);
  border-inline-start: 2px solid var(--color-violet);
  color: var(--color-platinum);
  font-family: var(--font-heading);
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

hr {
  height: 1px;
  margin-block: var(--space-7);
  border: 0;
  background: var(--color-border);
}

ul,
ol {
  margin-block: 0 var(--space-5);
  padding-inline-start: 1.3em;
}

ul ul,
ul ol,
ol ul,
ol ol {
  margin-block: var(--space-2) 0;
}

dl {
  margin: 0 0 var(--space-5);
}

dt {
  color: var(--color-platinum);
  font-weight: 600;
}

dd {
  margin: 0 0 var(--space-3);
  color: var(--color-moon-silver);
}

table {
  width: 100%;
  margin-block: 0 var(--space-5);
  border-collapse: collapse;
  border-spacing: 0;
}

th,
td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  text-align: start;
  vertical-align: top;
}

th {
  color: var(--color-platinum);
  font-family: var(--font-heading);
  font-weight: 600;
}

fieldset {
  min-width: 0;
  margin: 0 0 var(--space-5);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

legend {
  padding-inline: var(--space-2);
  color: var(--color-platinum);
  font-family: var(--font-heading);
  font-weight: 600;
}

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  color: var(--color-platinum);
  font-size: var(--text-meta);
  font-weight: 600;
  line-height: var(--leading-meta);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: rgba(13, 16, 32, 0.82);
  color: var(--color-platinum);
  line-height: 1.4;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

input,
select {
  min-height: 2.75rem;
  padding: 0.625rem 0.75rem;
}

textarea {
  padding: 0.75rem;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-muted-slate);
  opacity: 1;
}

input:hover,
select:hover,
textarea:hover {
  border-color: rgba(139, 233, 255, 0.4);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 1px rgba(73, 214, 232, 0.22);
}

input[type="checkbox"],
input[type="radio"] {
  width: 1rem;
  min-height: 1rem;
  margin: 0;
  accent-color: var(--color-indigo);
}

input[type="file"] {
  padding: var(--space-2);
}

input[type="file"]::file-selector-button {
  margin-inline-end: var(--space-3);
  border: 0;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.22);
  color: var(--color-platinum);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
}

summary {
  cursor: pointer;
  color: var(--color-platinum);
  font-family: var(--font-heading);
  font-weight: 600;
}

details {
  margin-bottom: var(--space-4);
}

details > *:last-child,
.flow > *:last-child,
.stack > *:last-child,
.surface > *:last-child,
.card > *:last-child,
.panel > *:last-child {
  margin-bottom: 0;
}

.container {
  width: min(100% - (var(--container-padding) * 2), var(--container-max));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-10);
}

.section--compact {
  padding-block: var(--space-8);
}

.section--spacious {
  padding-block: var(--space-11);
}

.stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-5);
}

.stack--tight {
  gap: var(--space-3);
}

.stack--loose {
  gap: var(--space-7);
}

.cluster {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.cluster > * {
  min-width: 0;
}

.cluster--tight {
  gap: var(--space-2);
}

.cluster--wide {
  gap: var(--space-5);
}

.flow > * + * {
  margin-top: var(--space-5);
}

.flow--tight > * + * {
  margin-top: var(--space-3);
}

.flow--loose > * + * {
  margin-top: var(--space-7);
}

.surface,
.card,
.panel {
  position: relative;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-smoke-glass);
  box-shadow: inset 0 1px 0 var(--color-reflection);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.surface {
  padding: var(--space-6);
}

.card {
  padding: var(--space-6);
}

.panel {
  padding: var(--space-7);
}

.surface--strong,
.panel--strong {
  background: var(--color-smoke-glass-strong);
}

.surface--hero,
.panel--hero {
  border-radius: var(--radius-xl);
}

.surface--key,
.card--key,
.panel--key {
  isolation: isolate;
  border-color: transparent;
  background:
    linear-gradient(var(--color-smoke-glass), var(--color-smoke-glass)) padding-box,
    linear-gradient(
        120deg,
        rgba(99, 102, 241, 0.78),
        rgba(155, 92, 255, 0.72),
        rgba(73, 214, 232, 0.72)
      )
      border-box;
  box-shadow:
    inset 0 1px 0 var(--color-reflection),
    var(--shadow-aurora);
  transition:
    box-shadow var(--transition-base),
    filter var(--transition-base);
}

.surface--key:hover,
.card--key:hover,
.panel--key:hover {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.075),
    0 0 2.35rem rgba(99, 102, 241, 0.15);
  filter: brightness(1.04);
}

.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-cyan);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: var(--leading-label);
  text-transform: uppercase;
}

.meta {
  color: var(--color-muted-slate);
  font-size: var(--text-meta);
  line-height: var(--leading-meta);
}

.lead {
  color: var(--color-moon-silver);
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

.badge {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.375rem 0.625rem;
  border: 1px solid rgba(155, 92, 255, 0.3);
  border-radius: var(--radius-pill);
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-moon-silver);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: var(--leading-label);
}

.button,
.button:visited {
  display: inline-flex;
  min-width: 0;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-indigo), var(--color-neon-pink));
  box-shadow: 0 0 1.4rem rgba(244, 91, 206, 0.18);
  color: var(--color-platinum);
  font-family: var(--font-heading);
  font-size: var(--text-meta);
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition:
    transform var(--transition-fast),
    filter var(--transition-fast),
    box-shadow var(--transition-fast);
}

.button:hover {
  color: var(--color-platinum);
  box-shadow: 0 0 1.75rem rgba(244, 91, 206, 0.25);
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button--secondary,
.button--secondary:visited {
  border-color: var(--color-border-strong);
  background: rgba(24, 27, 48, 0.62);
  box-shadow: none;
  color: var(--color-platinum);
}

.button--secondary:hover {
  border-color: rgba(73, 214, 232, 0.48);
  box-shadow: 0 0 1.25rem rgba(73, 214, 232, 0.12);
  color: var(--color-cyan);
}

.button--ghost,
.button--ghost:visited {
  padding-inline: 0;
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  color: var(--color-moon-silver);
}

.button--ghost:hover {
  box-shadow: none;
  color: var(--color-cyan);
}

.button-group {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.button-group > * {
  min-width: 0;
}

.aurora {
  position: relative;
  isolation: isolate;
}

.aurora::before,
.aurora::after {
  position: absolute;
  z-index: -1;
  width: clamp(18rem, 42vw, 40rem);
  aspect-ratio: 1;
  border-radius: 50%;
  content: "";
  filter: blur(5rem);
  opacity: 0.16;
  pointer-events: none;
  transform: translate3d(0, 0, 0);
  animation: aurora-drift 22s ease-in-out infinite alternate;
}

.aurora::before {
  top: -12%;
  left: -15%;
  background: var(--color-indigo);
}

.aurora::after {
  right: -14%;
  bottom: -18%;
  background: var(--color-neon-pink);
  animation-delay: -9s;
  animation-duration: 27s;
}

.float-fragment {
  animation: fragment-float 5s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes aurora-drift {
  from {
    transform: translate3d(-1.5%, -1%, 0) scale(0.98);
  }

  to {
    transform: translate3d(2%, 2%, 0) scale(1.04);
  }
}

@keyframes fragment-float {
  from {
    transform: translateY(-1px);
  }

  to {
    transform: translateY(2px);
  }
}

@media (max-width: 1024px) {
  :root {
    --container-padding: 1.5rem;
  }

  .section {
    padding-block: var(--space-9);
  }

  .section--spacious {
    padding-block: var(--space-10);
  }
}

@media (max-width: 760px) {
  :root {
    --container-padding: 1.25rem;
  }

  body {
    background:
      radial-gradient(circle at 10% 15%, rgba(99, 102, 241, 0.08), transparent 17rem),
      radial-gradient(circle at 94% 32%, rgba(244, 91, 206, 0.05), transparent 16rem),
      var(--color-cosmic-black);
  }

  h2 {
    font-size: clamp(2rem, 9vw, 2.4rem);
  }

  h3 {
    font-size: clamp(1.75rem, 7vw, 2rem);
  }

  .section {
    padding-block: var(--space-8);
  }

  .section--compact {
    padding-block: var(--space-7);
  }

  .section--spacious {
    padding-block: var(--space-9);
  }

  .surface,
  .card {
    padding: var(--space-5);
  }

  .panel {
    padding: var(--space-5);
  }

  .button-group {
    align-items: stretch;
    flex-direction: column;
  }

  .button-group .button {
    width: 100%;
    min-height: 3rem;
  }

  .aurora::before,
  .aurora::after {
    width: clamp(7rem, 48vw, 15rem);
    filter: blur(3.5rem);
    opacity: 0.11;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .aurora::before,
  .aurora::after,
  .float-fragment {
    animation: none;
  }
}