/* Светлая тема: data-theme="light" на <html>. Тёмная — без атрибута (токены из :root в base.css). */

html[data-theme="light"] {
  color-scheme: light;

  --color-bg: #f4f4f4;
  --color-surface: #ffffff;
  --color-surface-elevated: #f4f4f4;
  /* Акцентные серые панели — как оболочка блока «Изменение подачи контента» в кейсе AliveBe */
  --color-accent-panel: #f4f4f4;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(0, 0, 0, 0.14);
  --color-text: #0a0a0a;
  --color-text-muted: #52525b;
  --color-text-body: rgba(10, 10, 10, 0.88);
  --color-text-soft: #71717a;
  --color-orange: #d63d24;
  --color-orange-hover: #e94a30;
  --color-blue: #2563eb;
  --color-blue-soft: rgba(37, 99, 235, 0.12);
  --color-contact-accent: #9a5c40;
  --color-cta-project: #b84a32;
  --color-cta-project-hover: #c95a42;
}

html[data-theme="light"] .site-header__bar {
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.045);
  border-color: rgba(255, 255, 255, 0.55);
}

html[data-theme="light"] .site-header--compact-nav .site-header__nav {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px) saturate(1.12);
  -webkit-backdrop-filter: blur(20px) saturate(1.12);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.055);
  border-color: rgba(255, 255, 255, 0.65);
}

html[data-theme="light"] .site-header--compact-nav:not(.site-header--nav-open) .site-header__nav {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
}

html[data-theme="light"] .site-header--compact-nav.site-header--nav-open .site-header__nav {
  background: #ffffff;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-color: var(--color-border-strong);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

html[data-theme="light"] .site-header--compact-nav .site-header__link:hover {
  background: rgba(0, 0, 0, 0.05);
}

html[data-theme="light"] .site-header__menu-toggle {
  background: rgba(0, 0, 0, 0.04);
  border-color: var(--color-border);
  color: var(--color-text);
}

html[data-theme="light"] .site-header__menu-toggle:hover {
  background: rgba(0, 0, 0, 0.07);
  border-color: var(--color-border-strong);
}

/* Переключатель темы */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

html[data-theme="light"] .theme-toggle {
  background: #ffffff;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--color-border-strong);
}

/* Make burger button visually consistent with theme toggle */
.site-header__menu-toggle {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-border);
  color: var(--color-text);
}

html[data-theme="light"] .theme-toggle:hover {
  background: rgba(0, 0, 0, 0.07);
}

html[data-theme="light"] .site-header__menu-toggle {
  background: #ffffff;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

.theme-toggle__icon {
  display: block;
  flex-shrink: 0;
}

html:not([data-theme="light"]) .theme-toggle__icon--moon {
  display: none;
}

html[data-theme="light"] .theme-toggle__icon--sun {
  display: none;
}

/* Карточки и теги (главная) */
html[data-theme="light"] .surface-card {
  background: #ffffff;
  border: none;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.035);
}

/* Главная: как на «Строим» — внешние блоки #fff, шаги и двойная колонка #f4f4f4 */
html[data-theme="light"] main.page-main:has(> section.hero) .hero-stack .surface-card.hero-panel,
html[data-theme="light"] main.page-main:has(> section.hero) .surface-card,
html[data-theme="light"] main.page-main:has(> section.hero) .project-card,
html[data-theme="light"] main.page-main:has(> section.hero) .contact-banner {
  background: var(--color-surface);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.032);
}

html[data-theme="light"] main.page-main:has(> section.hero) .two-cards .value-card,
html[data-theme="light"] main.page-main:has(> section.hero) .two-cards .skills-card {
  background: var(--color-bg);
  box-shadow: none;
  border: none;
}

/* «Как я веду UX/UI»: карточки шагов — белые, без обводки */
html[data-theme="light"] main.page-main:has(> section.hero) .method-section .method-step {
  background: #ffffff;
  border: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.032);
}

html[data-theme="light"] .project-card:hover {
  border-color: transparent;
}

html[data-theme="light"] .project-card__footer {
  background: var(--color-accent-panel);
  border-color: var(--color-border);
}

html[data-theme="light"] .project-card__footer:not(.project-card__footer--soon):hover {
  border-color: rgba(214, 61, 36, 0.32);
  background: rgba(214, 61, 36, 0.07);
  box-shadow: inset 0 1px 0 rgba(214, 61, 36, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

html[data-theme="light"] .project-card__footer:not(.project-card__footer--soon):hover .circle-arrow--project {
  box-shadow: 0 2px 12px rgba(214, 61, 36, 0.22);
}

html[data-theme="light"] .project-card__footer::after {
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent 32%,
    rgba(214, 61, 36, 0.12) 44%,
    rgba(255, 255, 255, 0.22) 50%,
    rgba(214, 61, 36, 0.08) 56%,
    transparent 68%,
    transparent 100%
  );
}

html[data-theme="light"] .contact-banner {
  background: #ffffff;
  border: none;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.035);
}

html[data-theme="light"] .contact-banner__btn {
  border-color: var(--color-border-strong);
  background: rgba(0, 0, 0, 0.03);
  color: var(--color-text);
}

html[data-theme="light"] .contact-banner__btn:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: none;
}

html[data-theme="light"] .contact-banner__btn--accent {
  border-color: rgba(214, 61, 36, 0.38);
  background: rgba(214, 61, 36, 0.08);
  color: var(--color-text);
}

html[data-theme="light"] .contact-banner__btn--accent:hover {
  border-color: rgba(214, 61, 36, 0.48);
  background: rgba(214, 61, 36, 0.12);
}

/* Главная — hero: подложка задаётся блоком выше (как «Строим», #fff) */

html[data-theme="light"] .hero-role {
  color: rgba(51, 51, 51, 1);
}

html[data-theme="light"] .experience-block__title,
html[data-theme="light"] .value-card__title,
html[data-theme="light"] .skills-card__title,
html[data-theme="light"] .value-list__body strong {
  color: var(--color-text);
}

html[data-theme="light"] .value-list__body span {
  color: var(--color-text-body);
}

html[data-theme="light"] .value-list__idx {
  background: rgba(255, 178, 70, 0.55);
  color: rgba(10, 10, 10, 0.92);
}

html[data-theme="light"] .hero-experience-inline {
  border-left-color: var(--color-border);
}

@media (max-width: 639px) {
  html[data-theme="light"] .hero-experience-inline {
    border-top-color: var(--color-border);
  }
}

html[data-theme="light"] .hero-lead {
  color: var(--color-text-body);
}

html[data-theme="light"] .hero-meta-line {
  border-top-color: var(--color-border);
}

html[data-theme="light"] .hero-meta-line__lead {
  color: var(--color-text-muted);
}

html[data-theme="light"] .contact-channel__label {
  color: var(--color-text);
}

html[data-theme="light"] .hero-panel--contacts .contact-channel__icon {
  background: rgba(0, 0, 0, 0.05);
  border-color: var(--color-border);
  color: var(--color-text);
}

html[data-theme="light"] .hero-panel--contacts a.contact-channel:hover .contact-channel__icon {
  background: rgba(0, 0, 0, 0.08);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

html[data-theme="light"] .experience-list > li + li {
  border-top-color: var(--color-border);
}

html[data-theme="light"] .experience-entry__org {
  color: var(--color-text);
}

html[data-theme="light"] .experience-entry__role {
  color: var(--color-text);
}

html[data-theme="light"] .experience-entry__dates {
  color: rgba(10, 10, 10, 0.5);
}

html[data-theme="light"] .experience-entry__dash {
  color: var(--color-text-soft);
}

html[data-theme="light"] .hero-action-btn {
  background: var(--color-bg);
  color: var(--color-text);
  border: none;
}

html:not([data-theme="light"]) .hero-intro-actions .hero-action-btn:first-child {
  background: #000000;
}

html[data-theme="light"] .hero-intro-actions .hero-action-btn:nth-child(2) {
  border: none;
  background: var(--color-bg);
  color: var(--color-text);
}

html[data-theme="light"] .hero-action-btn__icon {
  background: rgba(0, 0, 0, 0.06);
}

html[data-theme="light"] .cta-wide__inner {
  background: var(--color-bg);
  color: var(--color-text);
  border: none;
}

html[data-theme="light"] .cta-wide__inner:hover {
  background: var(--color-bg);
}

html[data-theme="light"] #hero-name {
  color: #000000;
}

html[data-theme="light"] .tag {
  color: rgba(15, 15, 20, 0.82);
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
}

html[data-theme="light"] .tag--b2b {
  color: rgba(30, 64, 175, 0.92);
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.22);
}

html[data-theme="light"] .tag--b2c {
  color: rgba(190, 24, 93, 0.9);
  background: rgba(244, 63, 94, 0.08);
  border-color: rgba(244, 63, 94, 0.2);
}

html[data-theme="light"] .tag--mobile-app {
  color: rgba(8, 145, 178, 0.92);
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.22);
}

html[data-theme="light"] .tag--pet-project {
  color: rgba(180, 83, 9, 0.92);
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.28);
}

html[data-theme="light"] .skill-pill {
  color: var(--color-text-body);
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
}

html[data-theme="light"] .skill-pill:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.12);
}

html[data-theme="light"] .btn-resume {
  border-color: rgba(0, 0, 0, 0.1);
  background: rgba(0, 0, 0, 0.04);
  color: var(--color-text-muted);
}

html[data-theme="light"] a.btn-resume:hover {
  background: rgba(0, 0, 0, 0.07);
  border-color: rgba(0, 0, 0, 0.14);
  color: var(--color-text);
}

html[data-theme="light"] .btn-resume__icon {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.08);
  color: var(--color-text-muted);
}

html[data-theme="light"] .method-step {
  background: #ffffff;
  border: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.032);
}

@media (prefers-reduced-transparency: reduce) {
  html[data-theme="light"] .site-header__bar,
  html[data-theme="light"] .site-header--compact-nav .site-header__nav {
    background: var(--color-surface);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  html[data-theme="light"] .surface-card,
  html[data-theme="light"] .project-card,
  html[data-theme="light"] .method-step {
    background: var(--color-surface);
  }

  html[data-theme="light"] .contact-banner {
    background: var(--color-surface);
  }

  html[data-theme="light"] main.page-main:has(> section.hero) .method-section .method-step {
    background: #ffffff;
  }

  html[data-theme="light"] main.page-main:has(> section.hero) .two-cards .value-card,
  html[data-theme="light"] main.page-main:has(> section.hero) .two-cards .skills-card {
    background: var(--color-surface-elevated);
  }

  html[data-theme="light"] .hero-experience-inline {
    border-left-color: var(--color-border);
    border-top-color: var(--color-border);
  }
}

/* Кейс «Строим» (герой-заставка без перекраски — как в тёмной теме) */

/* Теги над заголовком кейса: светлая тема — те же цвета, что у тегов в карточках проектов */
html[data-theme="light"] .stroim-hero .tag {
  font-weight: 600;
  letter-spacing: 0.01em;
}

html[data-theme="light"] .stroim-page .method-step {
  background: #ffffff;
  border: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.032);
}

/* «Единая платформа»: внешний блок #fff, мета-карточки #f4f4f4 */
html[data-theme="light"] .stroim-essence-panel--outline {
  background: #ffffff;
  border-color: var(--color-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.032);
}

html[data-theme="light"] .stroim-essence-meta-card {
  background: var(--color-accent-panel);
}

html[data-theme="light"] .stroim-essence-meta-card__body,
html[data-theme="light"] .stroim-essence-meta-card__value {
  color: var(--color-text-body);
}

html[data-theme="light"] .stroim-essence-meta-card__label,
html[data-theme="light"] .stroim-essence-meta-card__colon {
  color: var(--color-text);
}

html[data-theme="light"] .stroim-pain-solution {
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.032);
}

html[data-theme="light"] .stroim-pain-solution__card {
  background: var(--color-accent-panel);
}

html[data-theme="light"] .stroim-pain-solution__hero {
  background: var(--color-accent-panel);
}

html[data-theme="light"] .stroim-pain-solution__badge {
  color: #0a0a0a;
  background: rgba(163, 54, 48, 0.14);
  border-color: rgba(163, 54, 48, 0.32);
}

/* UX-карточки на «Строим»: белая оболочка, серые ячейки (как до унификации с AliveBe) */
html[data-theme="light"] .stroim-ux-solve-card__shell {
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.032);
}

html[data-theme="light"] .stroim-ux-solve-card__cell,
html[data-theme="light"] .stroim-ux-solve-card__cell--wide {
  background: var(--color-accent-panel);
}

html[data-theme="light"] .stroim-ux-solve-card__text {
  color: var(--color-text-body);
}

html[data-theme="light"] .stroim-ux-solve-card__title,
html[data-theme="light"] .stroim-ux-solve-card__rationale {
  color: var(--color-text);
}

html[data-theme="light"] .stroim-ux-solve-card__pill {
  color: #0a0a0a;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

html[data-theme="light"] .stroim-ux-solve-card__pill--problem {
  background: rgba(200, 55, 48, 0.1);
  border-color: rgba(200, 55, 48, 0.28);
}

html[data-theme="light"] .stroim-ux-solve-card__pill--solution {
  background: rgba(55, 100, 200, 0.09);
  border-color: rgba(55, 100, 200, 0.26);
}

html[data-theme="light"] .stroim-ux-solve-card__pill--result {
  background: rgba(35, 150, 95, 0.09);
  border-color: rgba(35, 150, 95, 0.26);
}

html[data-theme="light"] .stroim-audience .tag {
  color: var(--color-text-body);
  background: rgba(0, 0, 0, 0.04);
  border-color: var(--color-border);
}

html[data-theme="light"] .stroim-audience .tag--b2b,
html[data-theme="light"] .stroim-audience .tag--b2c,
html[data-theme="light"] .stroim-audience .tag--mobile-app,
html[data-theme="light"] .stroim-audience .tag--pet-project {
  color: var(--color-text-body);
  background: rgba(0, 0, 0, 0.04);
  border-color: var(--color-border);
}

html[data-theme="light"] .stroim-audience .tag:hover {
  border-color: rgba(99, 102, 241, 0.45);
  background: rgba(99, 102, 241, 0.08);
}

html[data-theme="light"] .project-gallery {
  background: var(--color-bg);
}

html[data-theme="light"] .project-gallery__viewport {
  background: var(--color-bg);
}

html[data-theme="light"] .stroim-section.project-gallery .project-gallery__viewport::before {
  background: linear-gradient(
    to right,
    rgba(244, 244, 244, 0.78),
    rgba(244, 244, 244, 0.16) 44%,
    transparent 74%
  );
}

/* На мобиле ::after у вьюпорта — подсказка свайпа (см. stroim-case), не градиент */
@media (min-width: 768px) {
  html[data-theme="light"] .stroim-section.project-gallery .project-gallery__viewport::after {
    background: linear-gradient(
      to left,
      rgba(244, 244, 244, 0.78),
      rgba(244, 244, 244, 0.16) 44%,
      transparent 74%
    );
  }
}

html[data-theme="light"] .gallery-arrow {
  background: #ffffff;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

html[data-theme="light"] .gallery-arrow:hover {
  background: var(--color-accent-panel);
  border-color: rgba(0, 0, 0, 0.18);
}

html[data-theme="light"] .stroim-case-nav {
  border-top-color: var(--color-border-strong);
}

html[data-theme="light"] .stroim-case-nav__pill {
  color: #fff;
}

html[data-theme="light"] .stroim-case-nav__pill-icon {
  background: #000000;
  border-color: rgba(255, 255, 255, 0.14);
}

html[data-theme="light"] .stroim-case-nav__home {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.1);
  color: #0f172a;
}

html[data-theme="light"] .stroim-case-nav__home:hover {
  background: var(--color-accent-panel);
  border-color: rgba(0, 0, 0, 0.14);
  color: #0f172a;
}

html[data-theme="light"] .site-footer--stroim-case .contact-banner {
  background: #ffffff;
  border-color: var(--color-border);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
}

html[data-theme="light"] .site-footer--stroim-case .contact-banner .contact-banner__text {
  color: var(--color-text);
}

html[data-theme="light"] .site-footer--stroim-case .contact-banner .contact-banner__btn {
  border-color: var(--color-border-strong);
  background: rgba(0, 0, 0, 0.03);
  color: var(--color-text);
}

@media (prefers-reduced-transparency: reduce) {
  html[data-theme="light"] .stroim-page .method-step {
    background: var(--color-surface-elevated);
  }
}
