@import url("./tokens.css");

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  lang: en;
  font-size: 16px;
}

body {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text);
  background: rgba(0, 0, 21, 1);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -9999px;
  left: -9999px;
  z-index: 100;
  background: var(--focus-ring);
  color: var(--bg);
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  font-weight: bold;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space-3);
  left: var(--space-3);
}

/* Landmarks and layout */
header {
  background: rgba(0, 0, 21, 1);
  border-bottom: 2px solid rgba(94, 230, 245, 0.2);
  padding: var(--space-4) 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

header > div {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.site-title {
  display: block;
  height: 60px;
  width: auto;
  background-image: url(../images/logo.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: left center;
  margin-bottom: var(--space-3);
  text-indent: -9999px;
  overflow: hidden;
}

@media (forced-colors: active) {
  .site-title {
    background-image: none;
    text-indent: 0;
    overflow: visible;
    font-size: 1.5rem;
    font-weight: bold;
    color: CanvasText;
  }
}

nav {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

nav a {
  color: var(--link);
  text-decoration: underline;
  padding: var(--space-2);
  border-radius: var(--radius);
}

nav a:hover {
  background: rgba(94, 230, 245, 0.08);
}

nav a:focus {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

nav a[aria-current="page"] {
  font-weight: bold;
  background: rgba(94, 230, 245, 0.12);
}

main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-5) var(--space-4);
}

footer {
  background: rgba(0, 0, 21, 1);
  border-top: 2px solid rgba(94, 230, 245, 0.2);
  padding: var(--space-4);
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: var(--space-4);
  font-weight: 700;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lavender));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--text);
}

@media (forced-colors: active) {
  h2 {
    color: CanvasText;
    background: none;
    -webkit-text-fill-color: unset;
  }
}

h3 {
  font-size: 1.5rem;
  color: var(--accent-green);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--space-3);
}

a {
  color: var(--link);
  text-decoration: underline;
}

a:hover {
  color: var(--link-hover);
}

a:focus {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Lists */
ul, ol {
  margin-left: var(--space-4);
  margin-bottom: var(--space-3);
}

li {
  margin-bottom: var(--space-2);
}

/* Tagline */
.tagline {
  font-size: 1.125rem;
  color: var(--accent-green);
  margin-bottom: var(--space-5);
  font-style: italic;
}

/* Info boxes */
.info-box {
  background: rgba(94, 230, 245, 0.05);
  border-left: 3px solid var(--accent-cyan);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border-radius: var(--radius);
}

/* Section structure */
section {
  margin-bottom: var(--space-5);
}

/* Buttons and links as buttons */
button, .button {
  display: inline-block;
  background: var(--accent-cyan);
  color: #000000;
  padding: var(--space-3) var(--space-4);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 150ms ease-in-out;
}

button:hover, .button:hover {
  background: var(--accent-green);
  color: #000000;
}

button:focus, .button:focus {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

button:active, .button:active {
  opacity: 0.9;
}

/* Form styles */
form {
  background: var(--surface);
  padding: var(--space-5);
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  max-width: 600px;
}

.form-group {
  margin-bottom: var(--space-4);
}

label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--text);
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  background: rgba(11, 16, 38, 0.5);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  border-color: var(--focus-ring);
}

input[type="text"]:invalid,
input[type="email"]:invalid {
  border-color: var(--error);
}

/* Form error message */
.field-error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--space-2);
  display: block;
}

/* Error summary */
.error-summary {
  background: var(--error-bg);
  border: 2px solid var(--error);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border-radius: var(--radius);
}

.error-summary h2 {
  font-size: 1.25rem;
  color: var(--error);
  margin-bottom: var(--space-3);
  background: none;
  -webkit-text-fill-color: unset;
}

@media (forced-colors: active) {
  .error-summary h2 {
    color: CanvasText;
  }
}

.error-summary ul {
  list-style: none;
  margin-left: 0;
}

.error-summary a {
  color: var(--error);
  text-decoration: underline;
}

/* Success message */
.form-success {
  background: var(--success-bg);
  border: 2px solid var(--success);
  padding: var(--space-4);
  border-radius: var(--radius);
  color: var(--success);
  margin-top: var(--space-4);
}

.form-success h2 {
  color: var(--success);
  background: none;
  -webkit-text-fill-color: unset;
  margin-bottom: var(--space-3);
}

@media (forced-colors: active) {
  .form-success h2 {
    color: CanvasText;
  }
}

/* Live region for screen readers */
.sr-live-region {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  main {
    padding: var(--space-4);
  }

  nav {
    gap: var(--space-3);
  }

  form {
    padding: var(--space-4);
  }
}