:root {
  --color-obsidian: #080d0b;
  --color-graphite: #111a16;
  --color-slate: #8fa39a;
  --color-ivory: #f0fdf4;
  --color-champagne: #10b981;
  --color-champagne-light: #34d399;
  --color-champagne-dark: #059669;
  --color-deep-amber: #064e3b;
  --color-bronze: #047857;
  --color-glass: rgba(17, 26, 22, 0.76);
  --color-focus: #34d399;
  --color-danger: #ef4444;

  --color-text: var(--color-ivory);
  --color-text-muted: var(--color-slate);
  --color-border: rgba(240, 253, 244, 0.12);
  --color-border-gold: rgba(16, 185, 129, 0.28);
  --color-border-gold-strong: rgba(52, 211, 153, 0.6);

  --font-heading: Manrope, system-ui, sans-serif;
  --font-body: Inter, system-ui, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;
  --text-display: clamp(3rem, 8vw, 6.5rem);

  --leading-tight: 1.08;
  --leading-heading: 1.16;
  --leading-body: 1.65;
  --leading-relaxed: 1.75;

  --tracking-heading: -0.035em;
  --tracking-body: 0.005em;
  --tracking-label: 0.12em;

  --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: 6rem;
  --space-11: 8rem;

  --container-max: 77.5rem;
  --container-pad: 1.25rem;
  --container-text: 46rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-button: 0.5rem;

  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.38);
  --shadow-subtle: 0 12px 36px rgba(0, 0, 0, 0.24);

  --surface-card: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.055) 0%,
    rgba(255, 255, 255, 0.015) 100%
  );
  --surface-glass: var(--color-glass);
  --surface-cta: linear-gradient(
    135deg,
    var(--color-champagne-light) 0%,
    var(--color-champagne-dark) 100%
  );
  --ambient-glow: radial-gradient(
    circle at center,
    rgba(16, 185, 129, 0.2) 0%,
    rgba(16, 185, 129, 0) 70%
  );

  --transition-fast: 180ms ease;
  --transition-base: 280ms ease;
  --transition-slow: 500ms ease;
}

@media (min-width: 700px) {
  :root {
    --container-pad: 2rem;
  }
}

@media (min-width: 1100px) {
  :root {
    --container-pad: 3rem;
  }
}

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

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

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 85% 8%, rgba(16, 185, 129, 0.12), transparent 30rem),
    var(--color-obsidian);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main,
header,
footer,
section,
article,
aside,
nav,
form,
fieldset,
figure,
blockquote,
details {
  min-width: 0;
}

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

img,
video {
  height: auto;
}

img {
  color: transparent;
}

svg {
  fill: currentColor;
}

iframe {
  width: 100%;
  border: 0;
}

a {
  color: inherit;
  text-decoration-color: rgba(16, 185, 129, 0.72);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--color-champagne-light);
}

button,
input,
select,
textarea {
  margin: 0;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
}

button,
select {
  text-transform: none;
}

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

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
}

::selection {
  background: rgba(16, 185, 129, 0.32);
  color: var(--color-ivory);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

:target {
  scroll-margin-top: var(--space-8);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-4);
  color: var(--color-ivory);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  text-wrap: balance;
}

h1 {
  font-size: var(--text-display);
  font-weight: 800;
  line-height: var(--leading-tight);
}

h2 {
  font-size: clamp(2rem, 4vw, var(--text-4xl));
}

h3 {
  font-size: clamp(1.5rem, 2.8vw, var(--text-3xl));
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

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

small {
  font-size: var(--text-sm);
}

strong,
b {
  font-weight: 700;
}

em,
i {
  font-style: italic;
}

mark {
  padding: 0 0.15em;
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-ivory);
}

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

ul,
ol {
  margin: 0 0 var(--space-5);
  padding-left: 1.25rem;
}

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

blockquote {
  margin: 0 0 var(--space-5);
  padding: var(--space-4) 0 var(--space-4) var(--space-5);
  border-left: 2px solid var(--color-champagne);
  color: var(--color-ivory);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.55;
}

blockquote p:last-child,
blockquote :last-child {
  margin-bottom: 0;
}

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

dt {
  color: var(--color-ivory);
  font-weight: 700;
}

dd {
  margin: 0 0 var(--space-3);
  color: var(--color-text-muted);
}

table {
  width: 100%;
  margin: 0 0 var(--space-5);
  border-collapse: collapse;
  border-spacing: 0;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

caption {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
  text-align: left;
}

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

th {
  color: var(--color-ivory);
  font-family: var(--font-heading);
  font-weight: 700;
}

code,
kbd,
samp,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

code,
kbd {
  padding: 0.12em 0.32em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.045);
  font-size: 0.9em;
}

pre {
  max-width: 100%;
  margin: 0 0 var(--space-5);
  padding: var(--space-4);
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-graphite);
  color: var(--color-ivory);
}

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  color: var(--color-ivory);
  font-size: var(--text-sm);
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(17, 26, 22, 0.88);
  color: var(--color-ivory);
  line-height: 1.4;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: rgba(143, 163, 154, 0.8);
  opacity: 1;
}

input:hover,
select:hover,
textarea:hover {
  border-color: rgba(16, 185, 129, 0.42);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-champagne);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.16);
  outline: none;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.1rem;
  min-height: 1.1rem;
  padding: 0;
  accent-color: var(--color-champagne);
}

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

input[type="file"]::file-selector-button {
  margin-right: var(--space-3);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-sm);
  background: var(--color-graphite);
  color: var(--color-ivory);
  cursor: pointer;
}

input[type="number"] {
  font-variant-numeric: tabular-nums;
}

input:invalid:not(:placeholder-shown),
textarea:invalid:not(:placeholder-shown),
select:invalid {
  border-color: var(--color-danger);
}

button,
.button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 3rem;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-button);
  background: transparent;
  color: inherit;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-align: center;
  text-decoration: none;
  transition:
    transform var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
}

button:not(:disabled):hover,
.button:hover,
.btn:hover {
  transform: translateY(-1px);
}

.button--primary,
.btn--primary {
  border-color: var(--color-champagne-light);
  background: var(--surface-cta);
  color: var(--color-obsidian);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.22);
}

.button--primary:hover,
.btn--primary:hover {
  border-color: #6ee7b7;
  background: linear-gradient(135deg, #34d399 0%, #059669 100%);
  color: var(--color-obsidian);
  box-shadow: 0 14px 34px rgba(16, 185, 129, 0.35);
}

.button--secondary,
.btn--secondary {
  border-color: var(--color-border-gold);
  background: rgba(17, 26, 22, 0.42);
  color: var(--color-ivory);
}

.button--secondary:hover,
.btn--secondary:hover {
  border-color: var(--color-border-gold-strong);
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-champagne-light);
}

.button--quiet,
.btn--quiet {
  min-height: auto;
  padding: 0.35rem 0;
  border: 0;
  border-radius: 0;
  color: var(--color-ivory);
  text-decoration: underline;
  text-decoration-color: var(--color-champagne);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
}

.button--quiet:hover,
.btn--quiet:hover {
  color: var(--color-champagne-light);
}

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

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

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

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

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

.surface {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-graphite);
}

.surface--glass {
  border-color: var(--color-border-gold);
  background: var(--surface-card), var(--surface-glass);
  box-shadow: var(--shadow-soft);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.card {
  min-width: 0;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--surface-card), var(--color-graphite);
  box-shadow: var(--shadow-subtle);
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-gold-strong);
  box-shadow: 0 22px 64px rgba(0, 0, 0, 0.42);
  transform: translateY(-2px);
}

.card > :last-child,
.surface > :last-child,
.stack > :last-child,
.compact-group > :last-child {
  margin-bottom: 0;
}

.stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-4);
}

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

.stack--loose {
  gap: var(--space-6);
}

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

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

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

.content-list {
  display: grid;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
  padding-left: 1.25rem;
}

.content-list > li {
  padding-left: 0.15rem;
}

.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-champagne);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: var(--tracking-label);
  line-height: 1.4;
  text-transform: uppercase;
}

.muted {
  color: var(--color-text-muted);
}

.accent {
  color: var(--color-champagne);
}

.divider {
  width: 100%;
  height: 1px;
  border: 0;
  background: var(--color-border-gold);
}

.image-frame {
  overflow: hidden;
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-lg);
  background: var(--color-graphite);
}

.image-frame > img,
.image-frame > picture > img,
.image-frame > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.glow {
  background-image: var(--ambient-glow);
}

.details {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(17, 26, 22, 0.7);
}

.details[open] {
  border-color: var(--color-border-gold);
}

.details > summary {
  display: flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-ivory);
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  list-style: none;
}

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

.details > summary::after {
  flex: 0 0 auto;
  color: var(--color-champagne);
  content: "+";
  font-size: 1.35em;
  line-height: 1;
}

.details[open] > summary::after {
  content: "−";
}

.details > :not(summary) {
  padding: 0 var(--space-4) var(--space-4);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-champagne);
  color: var(--color-obsidian);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 700px) {
  body {
    font-size: var(--text-lg);
  }

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

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

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

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

  .button,
  .btn {
    padding-inline: 1.2rem;
  }
}

@media (min-width: 1100px) {
  .section {
    padding-block: var(--space-10);
  }

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

@media (max-width: 699px) {
  h1 {
    font-size: clamp(2.25rem, 11vw, 3.5rem);
  }

  h2 {
    font-size: clamp(1.9rem, 8vw, 2.5rem);
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

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

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