:root {
  color-scheme: light;
  --bg: #f7f8f6;
  --bg-soft: #f0f3ef;
  --surface: #ffffff;
  --surface-2: #f2f5f2;
  --surface-3: #e8ede9;
  --text: #111511;
  --text-soft: #4d5750;
  --text-dim: #69736c;
  --line: rgba(13, 25, 17, 0.11);
  --line-strong: rgba(13, 25, 17, 0.2);
  --accent: #176747;
  --accent-bright: #0d5438;
  --accent-ink: #ffffff;
  --danger: #bd4037;
  --shadow: 0 32px 90px rgba(24, 45, 31, 0.14);
  --ink: #111411;
  --muted: #5f665f;
  --soft: #f0f3ef;
  --paper: #fbfcfa;
  --particle-rgb: 23, 103, 71;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #050505;
  --bg-soft: #090a09;
  --surface: #0d0f0e;
  --surface-2: #121512;
  --surface-3: #171a18;
  --text: #f5f7f5;
  --text-soft: #a5aaa6;
  --text-dim: #858b86;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --accent: #a7f3d0;
  --accent-bright: #c1ffe3;
  --accent-ink: #07140f;
  --danger: #ff786b;
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.42);
  --ink: #eef2ee;
  --muted: #a9b1aa;
  --soft: #151815;
  --paper: #0d100e;
  --particle-rgb: 193, 255, 227;
}

html,
body,
.site-header,
.mobile-nav,
.site-footer,
.system-page,
.system-card,
.resume-document,
.resume-toolbar::before {
  transition: color 220ms ease, background-color 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.theme-toggle {
  position: relative;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text-soft);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  cursor: pointer;
  box-shadow: inset 0 1px color-mix(in srgb, var(--text) 7%, transparent);
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease, transform 260ms var(--ease, ease);
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--surface-2);
  transform: translateY(-1px);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.theme-toggle-icon {
  position: relative;
  width: 18px;
  height: 18px;
  display: block;
}

.theme-toggle-icon::before,
.theme-toggle-icon::after {
  position: absolute;
  inset: 50% auto auto 50%;
  content: "";
  transition: opacity 180ms ease, transform 300ms var(--ease, ease);
}

.theme-toggle-icon::before {
  width: 8px;
  height: 8px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  box-shadow: 0 -6px 0 -3px currentColor, 0 6px 0 -3px currentColor, 6px 0 0 -3px currentColor, -6px 0 0 -3px currentColor, 4px 4px 0 -3px currentColor, -4px -4px 0 -3px currentColor, 4px -4px 0 -3px currentColor, -4px 4px 0 -3px currentColor;
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-35deg) scale(0.7);
}

.theme-toggle-icon::after {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  box-shadow: -4px 3px 0 0 currentColor;
  opacity: 1;
  transform: translate(-38%, -62%) rotate(-12deg) scale(1);
}

:root[data-theme="dark"] .theme-toggle-icon::before {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0) scale(1);
}

:root[data-theme="dark"] .theme-toggle-icon::after {
  opacity: 0;
  transform: translate(-38%, -62%) rotate(20deg) scale(0.7);
}

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

.system-page-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.resume-toolbar-right .theme-toggle {
  width: 36px;
  height: 36px;
}

:root:not([data-theme="dark"]) .site-header.scrolled {
  background: rgba(247, 248, 246, 0.78);
}

:root:not([data-theme="dark"]) .language-switcher {
  background: rgba(255, 255, 255, 0.64);
}

:root:not([data-theme="dark"]) .mobile-nav {
  background: rgba(247, 248, 246, 0.985);
}

:root:not([data-theme="dark"]) .hero::before {
  background: radial-gradient(circle at 75% 38%, rgba(23, 103, 71, 0.1), transparent 28%), radial-gradient(circle at 16% 10%, rgba(255, 255, 255, 0.95), transparent 32%), linear-gradient(180deg, #fbfcfa 0%, #f7f8f6 75%);
}

:root:not([data-theme="dark"]) .hero-grid,
:root:not([data-theme="dark"]) .about-hero-grid {
  background-image: linear-gradient(rgba(13, 25, 17, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(13, 25, 17, 0.055) 1px, transparent 1px);
}

:root:not([data-theme="dark"]) .hero-light,
:root:not([data-theme="dark"]) .about-hero-light {
  background: radial-gradient(circle, rgba(23, 103, 71, 0.12), rgba(23, 103, 71, 0.035) 38%, transparent 68%);
}

:root:not([data-theme="dark"]) .hero-title-muted,
:root:not([data-theme="dark"]) .about-hero-copy h1 span,
:root:not([data-theme="dark"]) .contact h2 span {
  color: #778079;
}

:root:not([data-theme="dark"]) .hero-lead,
:root:not([data-theme="dark"]) .about-hero-lead {
  color: var(--text-soft);
}

:root:not([data-theme="dark"]) .system-window {
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow), inset 0 1px rgba(255, 255, 255, 0.78);
}

:root:not([data-theme="dark"]) .system-canvas::after {
  background-image: radial-gradient(rgba(13, 25, 17, 0.14) 0.7px, transparent 0.7px);
}

:root:not([data-theme="dark"]) .system-node {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 30px rgba(24, 45, 31, 0.1);
}

:root:not([data-theme="dark"]) .node-core {
  background: linear-gradient(145deg, rgba(23, 103, 71, 0.1), rgba(255, 255, 255, 0.97));
}

:root:not([data-theme="dark"]) .system-metric {
  background: rgba(247, 248, 246, 0.86);
}

:root:not([data-theme="dark"]) .window-dots i { background: #c9cfca; }
:root:not([data-theme="dark"]) .window-dots i:first-child { background: #8d9890; }
:root:not([data-theme="dark"]) .live-indicator { color: #2d6e51; }
:root:not([data-theme="dark"]) .hero-scroll { color: #858e87; }
:root:not([data-theme="dark"]) .hero-scroll span { background: #aab1ac; }

:root:not([data-theme="dark"]) .trust-strip,
:root:not([data-theme="dark"]) .products,
:root:not([data-theme="dark"]) .experience,
:root:not([data-theme="dark"]) .contact,
:root:not([data-theme="dark"]) .site-footer,
:root:not([data-theme="dark"]) .achievements,
:root:not([data-theme="dark"]) .beyond-code,
:root:not([data-theme="dark"]) .about-resume {
  background: var(--bg);
}

:root:not([data-theme="dark"]) .trust-logo {
  border-color: var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(237, 241, 237, 0.75));
  box-shadow: inset 0 1px #fff, 0 10px 30px rgba(24, 45, 31, 0.055);
}

:root:not([data-theme="dark"]) .trust-logo img {
  filter: brightness(0.48) contrast(1.3);
}

:root:not([data-theme="dark"]) .trust-logo:hover {
  background: linear-gradient(145deg, rgba(23, 103, 71, 0.08), rgba(255, 255, 255, 0.95));
}

:root:not([data-theme="dark"]) .statement,
:root:not([data-theme="dark"]) .services,
:root:not([data-theme="dark"]) .about-story,
:root:not([data-theme="dark"]) .career {
  color: var(--text);
  background: var(--bg-soft);
}

:root:not([data-theme="dark"]) .ai-stage,
:root:not([data-theme="dark"]) .about-resume-card {
  background: radial-gradient(circle at 72% 45%, rgba(23, 103, 71, 0.1), transparent 30%), var(--surface);
  box-shadow: 0 28px 90px rgba(24, 45, 31, 0.08);
}

:root:not([data-theme="dark"]) .ai-stage::before,
:root:not([data-theme="dark"]) .contact::before,
:root:not([data-theme="dark"]) .conversation-intro::before {
  background-image: linear-gradient(rgba(13, 25, 17, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(13, 25, 17, 0.045) 1px, transparent 1px);
}

:root:not([data-theme="dark"]) .diagram-column i {
  background: rgba(23, 103, 71, 0.035);
}

:root:not([data-theme="dark"]) .diagram-core {
  background: radial-gradient(circle, rgba(23, 103, 71, 0.12), rgba(255, 255, 255, 0.97) 66%);
}

:root:not([data-theme="dark"]) .timeline li::before {
  border-color: var(--bg);
}

:root:not([data-theme="dark"]) .contact-light {
  background: radial-gradient(circle, rgba(23, 103, 71, 0.12), transparent 68%);
}

:root:not([data-theme="dark"]) .conversation-dialog {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--surface);
  box-shadow: 0 48px 150px rgba(20, 38, 27, 0.24);
}

:root:not([data-theme="dark"]) .conversation-dialog::backdrop {
  background: rgba(230, 235, 231, 0.76);
}

:root:not([data-theme="dark"]) .conversation-close {
  background: rgba(255, 255, 255, 0.84);
}

:root:not([data-theme="dark"]) .conversation-intro {
  background: radial-gradient(circle at 40% 72%, rgba(23, 103, 71, 0.11), transparent 28%), linear-gradient(155deg, #f2f5f2, #e9eee9);
}

:root:not([data-theme="dark"]) .conversation-compose {
  background: var(--surface);
}

:root:not([data-theme="dark"]) .conversation-recipient,
:root:not([data-theme="dark"]) .conversation-field input,
:root:not([data-theme="dark"]) .conversation-field textarea {
  background: rgba(255, 255, 255, 0.82);
}

:root:not([data-theme="dark"]) .conversation-field input::placeholder,
:root:not([data-theme="dark"]) .conversation-field textarea::placeholder {
  color: #838c85;
}

:root:not([data-theme="dark"]) .conversation-field input:focus,
:root:not([data-theme="dark"]) .conversation-field textarea:focus {
  background: #ffffff;
  border-color: rgba(23, 103, 71, 0.58);
  box-shadow: 0 0 0 4px rgba(23, 103, 71, 0.08);
}

:root:not([data-theme="dark"]) .conversation-status {
  color: #8b2c25;
}

:root:not([data-theme="dark"]) .about-page .site-header:not(.scrolled) {
  background: linear-gradient(180deg, rgba(247, 248, 246, 0.9), transparent);
}

:root:not([data-theme="dark"]) .about-hero::before {
  background: radial-gradient(circle at 73% 40%, rgba(23, 103, 71, 0.1), transparent 27%), linear-gradient(180deg, #fbfcfa, #f7f8f6 82%);
}

:root:not([data-theme="dark"]) .about-proof-strip {
  background: rgba(240, 243, 239, 0.88);
}

:root:not([data-theme="dark"]) .portrait-frame {
  color: #f5f7f5;
}

:root:not([data-theme="dark"]) .achievement-case-slotflow {
  background: radial-gradient(circle at 85% 25%, rgba(57, 93, 170, 0.09), transparent 34%), var(--surface);
}

:root:not([data-theme="dark"]) .achievement-case-coach {
  background: radial-gradient(circle at 82% 50%, rgba(23, 103, 71, 0.12), transparent 28%), var(--surface);
}

:root:not([data-theme="dark"]) .achievement-tech span {
  background: rgba(23, 103, 71, 0.025);
}

:root:not([data-theme="dark"]) .coach-orbit i {
  background: #edf4ef;
}

:root:not([data-theme="dark"]) .native-window,
:root:not([data-theme="dark"]) .coach-ui {
  --text: #f5f7f5;
  --text-soft: #a5aaa6;
  --text-dim: #858b86;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --accent: #a7f3d0;
  --accent-ink: #07140f;
}

:root:not([data-theme="dark"]) .system-page {
  background: radial-gradient(circle at 50% 0, rgba(23, 103, 71, 0.09), transparent 32%), var(--bg);
}

:root:not([data-theme="dark"]) .system-card {
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 35px 90px rgba(24, 45, 31, 0.1);
}

:root:not([data-theme="dark"]) .cookie-consent-banner {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 28px 80px rgba(24, 45, 31, 0.18);
}

:root:not([data-theme="dark"]) .cookie-consent-text,
:root:not([data-theme="dark"]) .cookie-btn-link,
:root:not([data-theme="dark"]) .cookie-consent-option-text,
:root:not([data-theme="dark"]) .cookie-settings-button {
  color: var(--text-soft);
}

:root:not([data-theme="dark"]) .cookie-consent-link,
:root:not([data-theme="dark"]) .cookie-btn-secondary {
  color: var(--text);
}

:root:not([data-theme="dark"]) .cookie-btn-secondary:hover,
:root:not([data-theme="dark"]) .cookie-btn-secondary:focus-visible {
  background: var(--surface-2);
}

:root:not([data-theme="dark"]) .cookie-settings-button {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 30px rgba(24, 45, 31, 0.12);
}

.resume-page {
  background: radial-gradient(circle at 50% 0, #ffffff, #e9ede9 58%);
}

.resume-toolbar {
  color: var(--text);
}

.resume-toolbar::before {
  border-color: var(--line);
  background: rgba(247, 248, 246, 0.82);
}

.resume-back,
.resume-language button {
  color: var(--text-soft);
}

.resume-back:hover,
.resume-language button[aria-pressed="true"] {
  color: var(--text);
}

.resume-language {
  border-color: var(--line-strong);
}

.resume-language span {
  background: var(--line-strong);
}

.resume-document {
  box-shadow: 0 45px 130px rgba(24, 45, 31, 0.16);
}

:root[data-theme="dark"] .resume-page {
  background: radial-gradient(circle at 50% 0, #182019, #080a09 50%);
}

:root[data-theme="dark"] .resume-toolbar::before {
  border-color: rgba(255, 255, 255, 0.09);
  background: rgba(8, 10, 9, 0.78);
}

:root[data-theme="dark"] .resume-document {
  box-shadow: 0 45px 130px rgba(0, 0, 0, 0.5);
}

@media (max-width: 560px) {
  .theme-toggle { width: 34px; height: 34px; }
  .system-page-actions { gap: 11px; }
  .system-page-actions > a { font-size: 11px; }
  .resume-toolbar-right { gap: 8px; }
  .resume-toolbar-right .theme-toggle { width: 34px; height: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  html,
  body,
  .theme-toggle,
  .theme-toggle-icon::before,
  .theme-toggle-icon::after {
    transition: none !important;
  }
}

@media (prefers-contrast: more) {
  :root:not([data-theme="dark"]) {
    --text-soft: #283029;
    --text-dim: #3f4942;
    --line: rgba(13, 25, 17, 0.28);
  }

  :root[data-theme="dark"] {
    --text-soft: #d5d9d6;
    --text-dim: #acb2ad;
    --line: rgba(255, 255, 255, 0.25);
  }
}

@media print {
  :root,
  :root[data-theme="dark"] {
    color-scheme: light;
    --ink: #111411;
    --muted: #5f665f;
    --paper: #ffffff;
    --line: #d9ded9;
    --accent: #296449;
  }

  html,
  body.resume-page,
  .resume-document {
    color: var(--ink);
    background: #ffffff;
  }
}