styles.css

:root {
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-surface-hover: #e9ecef;
  --color-text: #212529;
  --color-text-secondary: #6c757d;
  --color-border: #dee2e6;
  --color-primary: #0066cc;
  --color-primary-hover: #0052a3;
  --color-accent: #ffc107;
  --color-success: #28a745;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --radius: 8px;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
  --max-width: 1200px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #1a1a1a;
    --color-surface: #2d2d2d;
    --color-surface-hover: #3a3a3a;
    --color-text: #e9ecef;
    --color-text-secondary: #adb5bd;
    --color-border: #495057;
    --color-primary: #4dabf7;
    --color-primary-hover: #74c0fc;
    --color-accent: #ffd43b;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.4);
  }
}

:root[data-theme="dark"] {
  --color-bg: #1a1a1a;
  --color-surface: #2d2d2d;
  --color-surface-hover: #3a3a3a;
  --color-text: #e9ecef;
  --color-text-secondary: #adb5bd;
  --color-border: #495057;
  --color-primary: #4dabf7;
  --color-primary-hover: #74c0fc;
  --color-accent: #ffd43b;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-size: clamp(16px, 2vw, 18px);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--spacing-lg);
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border-radius: var(--radius);
}

.hero-badge {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  justify-content: center;
}

.hero-badge a {
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  transition: transform 0.2s;
  width: clamp(80px, 10vw, 120px);
  text-align: center;
}

.hero-badge a:hover {
  transform: translateY(-4px);
  text-decoration: none;
}

.hero-badge img {
  max-width: 100%;
  height: auto;
}

.hero-badge small {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.hero-image {
  width: clamp(80px, 15vw, 150px);
  height: clamp(80px, 15vw, 150px);
  border-radius: 50%;
  object-fit: cover;
}

.hero-content h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.hero-content .tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.hero-content .location {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* Call to Action */
.cta {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow);
}

.cta h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.cta-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.cta-header h2 {
  margin-bottom: 0;
}

.cta-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-lg);
  align-items: center;
}

.cta-text p {
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  color: var(--color-text-secondary);
  margin-bottom: 0;
  line-height: 1.5;
}

.cta-subtitle {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-text);
}

.cta-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.cta-list li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
}

.cta-list li .bullet {
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.linkedin-button,
.share-opportunity-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: #0077b5;
  color: white;
  padding: 12px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: background 0.2s;
  white-space: nowrap;
  min-height: 44px;
}

.linkedin-button:hover,
.share-opportunity-button:hover {
  background: #006399;
  color: white;
  text-decoration: none;
}

.linkedin-button svg,
.share-opportunity-button svg {
  width: 20px;
  height: 20px;
  fill: white;
}

/* Value Proposition */
.value-prop {
  background: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-primary);
  margin-bottom: var(--spacing-xl);
}

.value-prop p {
  margin-bottom: var(--spacing-sm);
}

.value-prop p:last-child {
  margin-bottom: 0;
}

.value-prop strong {
  color: var(--color-primary);
}

/* Sections */
section {
  margin-bottom: var(--spacing-xl);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  font-size: 1rem;
}

/* Expertise Grid */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.expertise-grid.no-margin {
  margin-bottom: 0;
}

.expertise-card {
  background: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.expertise-card h3 {
  margin-bottom: var(--spacing-sm);
}

.expertise-card ul {
  list-style: none;
  padding-left: 0;
}

.expertise-card li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
}

.expertise-card li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.expertise-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.expertise-list li {
  padding: 2px 0;
  font-size: 0.9rem;
}

mark {
  background: var(--color-accent);
  color: var(--color-text);
  padding: 2px 6px;
  border-radius: 3px;
}

/* Certification Timeline */
.timeline {
  position: relative;
  padding: var(--spacing-md) 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.timeline-year {
  font-weight: 600;
  color: var(--color-primary);
  text-align: right;
}

.timeline-content {
  padding-left: var(--spacing-md);
  border-left: 2px solid var(--color-border);
  padding-bottom: var(--spacing-sm);
}

.timeline-content::before {
  content: "";
  position: absolute;
  left: 80px;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
  margin-left: calc(var(--spacing-md) - 7px);
}

/* Badges */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 150px));
  gap: var(--spacing-md);
  justify-content: center;
  margin: var(--spacing-lg) 0;
}

.badge-item {
  text-align: center;
}

.badge-item a {
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  transition: transform 0.2s;
}

.badge-item a:hover {
  transform: translateY(-4px);
}

.badge-item img {
  max-width: 100%;
  height: auto;
}

.badge-item small {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Learning Section */
.learning-highlight {
  background: linear-gradient(
    135deg,
    rgba(0, 102, 204, 0.1),
    rgba(0, 102, 204, 0.05)
  );
  padding: var(--spacing-md);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-success);
  margin: var(--spacing-lg) 0;
}

.learning-highlight h3 {
  color: var(--color-success);
  margin-bottom: var(--spacing-sm);
}

/* Certifications List */
.cert-header {
  margin-bottom: var(--spacing-lg);
}

.cert-header h2 {
  margin-bottom: var(--spacing-xs);
}

.cert-header p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.cert-header a {
  color: var(--color-text-secondary);
}

.cert-category {
  margin-bottom: var(--spacing-lg);
}

.cert-category h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-border);
}

.cert-category ul {
  list-style: none;
  padding-left: 0;
}

.cert-category li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
}

.cert-category li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
}

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

/* Footer */
footer {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

footer nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm) var(--spacing-md);
  justify-content: center;
}

footer nav a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.strikethrough {
  text-decoration: line-through;
}

/* Theme Toggle Button */
.theme-toggle {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  z-index: 1000;
}

.theme-toggle:hover {
  background: var(--color-surface-hover);
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.theme-toggle svg {
  width: 24px;
  height: 24px;
  fill: var(--color-text);
  transition: transform 0.3s ease;
}

.theme-toggle:hover svg {
  transform: rotate(20deg);
}

.opportunity-page {
  max-width: 1080px;
}

.opportunity-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.opportunity-footer a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.opportunity-eyebrow {
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.opportunity-preferences {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  list-style: none;
}

.opportunity-preferences li {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  font-size: 0.8rem;
}

.opportunity-form-card,
.opportunity-profile {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  box-shadow: var(--shadow);
}

.opportunity-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(270px, 0.8fr);
  align-items: start;
  gap: var(--spacing-md);
}

.opportunity-form-card {
  padding: clamp(1rem, 3vw, 1.5rem);
}

.opportunity-heading {
  margin-bottom: var(--spacing-md);
}

.opportunity-heading h2 {
  margin-bottom: 0.25rem;
  font-size: 1.25rem;
}

.profile-heading > p:last-child {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
}

.opportunity-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.opportunity-field {
  min-width: 0;
}

.opportunity-field.field-full {
  grid-column: 1 / -1;
}

.opportunity-field label,
.opportunity-field legend {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.82rem;
  font-weight: 650;
}

.opportunity-field label span {
  color: var(--color-text-secondary);
  font-weight: 400;
}

.opportunity-field input:not([type="range"]):not([type="checkbox"]),
.opportunity-field select,
.opportunity-field textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text);
  background: var(--color-bg);
  font: inherit;
  font-size: 0.9rem;
}

.opportunity-field textarea {
  resize: vertical;
}

.opportunity-field input:focus,
.opportunity-field select:focus,
.opportunity-field textarea:focus,
.opportunity-button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-primary) 35%, transparent);
  outline-offset: 2px;
}

.rate-field {
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.rate-field legend {
  padding: 0 0.25rem;
}

.range-values,
.range-limits {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.range-values label {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  margin: 0;
  font-size: 0.75rem;
}

.range-values label:last-child {
  justify-content: flex-end;
}

.range-values output {
  color: var(--color-text);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.range-control {
  position: relative;
  height: 30px;
  margin: 0 8px;
}

.range-track {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 4px;
  border-radius: 99px;
  background: var(--color-border);
  transform: translateY(-50%);
}

.range-track span {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  border-radius: inherit;
  background: var(--color-primary);
}

.range-control input[type="range"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30px;
  margin: 0;
  appearance: none;
  background: transparent;
  pointer-events: none;
}

.range-control input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  background: transparent;
}

.range-control input[type="range"]::-moz-range-track {
  height: 4px;
  background: transparent;
}

.range-control input[type="range"]::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  margin-top: -7px;
  appearance: none;
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: var(--shadow);
  pointer-events: auto;
  cursor: grab;
}

.range-control input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: var(--shadow);
  pointer-events: auto;
  cursor: grab;
}

.range-limits,
.field-help {
  color: var(--color-text-secondary);
  font-size: 0.72rem;
}

.field-help {
  margin-top: 0.5rem;
}

.opportunity-submit {
  display: grid;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.opportunity-submit p,
.form-status {
  color: var(--color-text-secondary);
  font-size: 0.78rem;
}

.opportunity-button {
  justify-self: end;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 0;
  border-radius: 6px;
  color: #fff;
  background: var(--color-primary);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 650;
}

.opportunity-button:hover {
  background: var(--color-primary-hover);
}

.form-status {
  margin-top: var(--spacing-sm);
}

.form-status:empty {
  display: none;
}

.form-error {
  padding: 0.75rem;
  border-radius: 6px;
  color: #7a321f;
  background: #fff0e8;
}

.profile-heading,
.profile-facts {
  padding: var(--spacing-md);
}

.profile-facts {
  display: grid;
  gap: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.profile-facts div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--spacing-xs);
}

.profile-facts dt {
  color: var(--color-text-secondary);
  font-size: 0.78rem;
}

.profile-facts dd {
  font-size: 0.82rem;
  font-weight: 600;
}

.rate-estimate {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.rate-value {
  margin: 0.6rem 0;
  color: var(--color-primary);
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 750;
  letter-spacing: -0.04em;
}

.rate-value span {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0;
}

.rate-note,
.location-status {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
}

.location-status {
  padding: 0.65rem;
  margin-top: var(--spacing-sm);
  border-radius: 6px;
  background: var(--color-bg);
}

.location-status.is-compatible {
  color: #24613c;
}

.location-status.needs-remote {
  color: #7a321f;
}

.opportunity-footer {
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .hero-image {
    grid-row: 1;
  }

  .hero-content {
    grid-row: 2;
  }

  .hero-badge {
    grid-row: 3;
    margin-top: var(--spacing-md);
    margin-bottom: 0;
    align-items: flex-start;
  }

  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .opportunity-layout {
    grid-template-columns: 1fr;
  }

  .opportunity-form-card {
    grid-row: 1;
  }

  .opportunity-profile {
    grid-row: 2;
  }

  .cta-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cta-header {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
  }

  .cta-header h2 {
    margin-bottom: 0;
  }

  .linkedin-button,
  .share-opportunity-button {
    justify-content: center;
    width: 100%;
    max-width: 300px;
  }

  .timeline-item {
    grid-template-columns: 60px 1fr;
  }

  .badge-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 120px));
  }

  footer nav ul {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: var(--spacing-sm);
  }

  .hero,
  .value-prop,
  .cta {
    padding: var(--spacing-md);
  }

  .opportunity-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .opportunity-fields {
    grid-template-columns: 1fr;
  }

  .opportunity-field.field-full {
    grid-column: auto;
  }

  .opportunity-button {
    justify-self: stretch;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-year {
    text-align: left;
  }
}