:root {
  --brand: #2ECC71;
  --surface-bg:
    radial-gradient(circle at 20% 20%, rgba(46, 204, 113, 0.25), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(79, 70, 229, 0.25), transparent 40%),
    #030712;
  --text-primary: #f4f4f5;
  --muted-text: #d4d4d8;
  --subtle-text: #a1a1aa;
  --faint-text: #71717a;
  --header-bg: rgba(3, 7, 18, 0.8);
  --header-border: rgba(63, 63, 70, 0.6);
  --nav-link-color: #e5e7eb;
  --nav-link-hover-color: #6ee7b7;
  --footer-bg: rgba(3, 7, 18, 0.7);
  --footer-border: rgba(63, 63, 70, 0.6);
  --footer-text: #a1a1aa;
  --select-bg: rgba(24, 24, 27, 0.9);
  --select-border: rgba(63, 63, 70, 0.8);
  --select-text: #f4f4f5;
  --select-focus-border: rgba(110, 231, 183, 0.8);
  --select-focus-ring: rgba(110, 231, 183, 0.25);
  --toggle-bg: rgba(39, 39, 42, 0.8);
  --toggle-border: rgba(63, 63, 70, 0.8);
  --toggle-color: #f4f4f5;
  --toggle-hover-bg: rgba(46, 204, 113, 0.18);
  --card-bg: rgba(24, 24, 27, 0.7);
  --card-border: rgba(63, 63, 70, 0.6);
  --card-hover-border: rgba(46, 204, 113, 0.8);
  --badge-bg: rgba(24, 24, 27, 0.65);
  --badge-border: rgba(46, 204, 113, 0.25);
  --stat-bg: rgba(15, 23, 42, 0.5);
  --stat-border: rgba(46, 204, 113, 0.25);
  --contact-icon-bg: rgba(46, 204, 113, 0.12);
  --contact-icon-hover-bg: rgba(46, 204, 113, 0.2);
  color-scheme: dark;
}

:root[data-theme='light'] {
  --surface-bg:
    radial-gradient(circle at 20% 20%, rgba(46, 204, 113, 0.18), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.2), transparent 40%),
    #f8fafc;
  --text-primary: #020617;
  --muted-text: #1f2937;
  --subtle-text: #334155;
  --faint-text: #475569;
  --header-bg: rgba(255, 255, 255, 0.85);
  --header-border: rgba(203, 213, 225, 0.9);
  --nav-link-color: #020617;
  --nav-link-hover-color: #047857;
  --footer-bg: rgba(248, 250, 252, 0.85);
  --footer-border: rgba(203, 213, 225, 0.9);
  --footer-text: #1e293b;
  --select-bg: rgba(255, 255, 255, 0.9);
  --select-border: rgba(203, 213, 225, 0.9);
  --select-text: #1f2937;
  --select-focus-border: rgba(34, 197, 94, 0.7);
  --select-focus-ring: rgba(52, 211, 153, 0.35);
  --toggle-bg: rgba(255, 255, 255, 0.95);
  --toggle-border: rgba(203, 213, 225, 0.9);
  --toggle-color: #020617;
  --toggle-hover-bg: rgba(34, 197, 94, 0.18);
  --card-bg: rgba(255, 255, 255, 0.95);
  --card-border: rgba(203, 213, 225, 0.9);
  --card-hover-border: rgba(34, 197, 94, 0.6);
  --badge-bg: rgba(240, 253, 244, 0.85);
  --badge-border: rgba(34, 197, 94, 0.35);
  --stat-bg: rgba(226, 232, 240, 0.6);
  --stat-border: rgba(148, 163, 184, 0.5);
  --contact-icon-bg: rgba(34, 197, 94, 0.18);
  --contact-icon-hover-bg: rgba(34, 197, 94, 0.26);
  color-scheme: light;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

.theme-body {
  background: var(--surface-bg);
  color: var(--text-primary);
}

.theme-header {
  background: var(--header-bg);
  border-bottom-color: var(--header-border);
  color: var(--text-primary);
}

.theme-footer {
  background: var(--footer-bg);
  border-top-color: var(--footer-border);
  color: var(--footer-text);
}

.text-neutral-100 {
  color: var(--text-primary);
}

.text-neutral-300 {
  color: var(--muted-text);
}

.text-neutral-400 {
  color: var(--subtle-text);
}

.text-neutral-500 {
  color: var(--faint-text);
}

html[data-theme='light'] .text-neutral-100 {
  color: var(--text-primary) !important;
}

html[data-theme='light'] .text-neutral-300 {
  color: var(--muted-text) !important;
}

html[data-theme='light'] .text-neutral-400 {
  color: var(--subtle-text) !important;
}

html[data-theme='light'] .text-neutral-500 {
  color: var(--faint-text) !important;
}

a {
  color: inherit;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

a:hover {
  transform: translateY(-1px);
}

.nav-link {
  color: var(--nav-link-color);
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-link:hover {
  color: var(--nav-link-hover-color);
}

.footer-link {
  color: inherit;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-link:hover {
  color: var(--nav-link-hover-color);
}

.language-select-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.language-select-wrapper::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0.75rem;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid var(--select-text);
  border-bottom: 2px solid var(--select-text);
  transform: translateY(-50%) rotate(45deg);
  pointer-events: none;
  transition: border-color 0.2s ease;
}

.language-select {
  appearance: none;
  background-color: var(--select-bg);
  border: 1px solid var(--select-border);
  border-radius: 0.75rem;
  color: var(--select-text);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  padding: 0.5rem 2.5rem 0.5rem 0.85rem;
  text-transform: uppercase;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.language-select:focus-visible {
  outline: none;
  border-color: var(--select-focus-border);
  box-shadow: 0 0 0 3px var(--select-focus-ring);
}

.theme-toggle-button {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.theme-toggle-button:hover {
  background: var(--toggle-hover-bg);
  border-color: var(--select-focus-border);
  transform: translateY(-1px);
}

.theme-toggle-button:focus-visible {
  outline: none;
  border-color: var(--select-focus-border);
  box-shadow: 0 0 0 3px var(--select-focus-ring);
}

.theme-icon {
  width: 1.125rem;
  height: 1.125rem;
  display: none;
}

:root[data-theme='light'] .theme-icon-sun,
:root:not([data-theme='light']) .theme-icon-moon {
  display: block;
}

.card-elevated {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: 0 18px 48px -30px rgba(46, 204, 113, 0.55);
  backdrop-filter: blur(14px);
}

.card-elevated:hover {
  border-color: var(--card-hover-border);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--badge-border);
  background: var(--badge-bg);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.badge-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--brand);
}

.stat-pill {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  border-radius: 1rem;
  border: 1px solid var(--stat-border);
  background: var(--stat-bg);
  min-width: 10rem;
}

.stat-pill strong {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--brand);
}

.contact-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--contact-icon-bg);
  color: var(--brand);
  transition: background-color 0.2s ease;
}

.contact-card:hover .contact-icon {
  background: var(--contact-icon-hover-bg);
}