/* =========================================================
   MATERIAL DESIGN 3 STYLING WITH TOKENS
   ========================================================= */

:root {

  /* Material 3 Dark Colors */
  --md-sys-color-primary: #a8c7ff;
  --md-sys-color-on-primary: #003062;
  --md-sys-color-primary-container: #004688;
  --md-sys-color-on-primary-container: #d6e3ff;

  --md-sys-color-background: #0f1419;
  --md-sys-color-on-background: #e0e3e9;
  
  --md-sys-color-surface: #0f1419;
  --md-sys-color-surface-container: #1b2027;
  --md-sys-color-surface-container-high: #252a31;
  --md-sys-color-surface-container-highest: #30353c;

  --md-sys-color-on-surface: #e0e3e9;
  --md-sys-color-on-surface-variant: #c0c7d0;

  --md-sys-color-outline: #89919c;
  --md-sys-color-outline-variant: #414850;

  --success: #70e18b;

  --max-width: 1180px;

  /* Global MD Component Token Overrides */
  --md-outlined-card-container-color: var(--md-sys-color-surface-container);
  --md-outlined-card-outline-color: var(--md-sys-color-outline-variant);
  --md-outlined-card-container-shape: 20px;

  color-scheme: dark;
}


/* =========================================================
   LIGHT THEME
   ========================================================= */

html[data-theme="light"] {

  --md-sys-color-primary: #0061a4;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #d6e3ff;
  --md-sys-color-on-primary-container: #001b3e;

  --md-sys-color-background: #f9f9ff;
  --md-sys-color-on-background: #191b20;

  --md-sys-color-surface: #f9f9ff;
  --md-sys-color-surface-container: #f0f3fa;
  --md-sys-color-surface-container-high: #e8ecef;
  --md-sys-color-surface-container-highest: #e0e4e8;

  --md-sys-color-on-surface: #191b20;
  --md-sys-color-on-surface-variant: #44474e;

  --md-sys-color-outline: #74777f;
  --md-sys-color-outline-variant: #c4c6cf;

  --success: #006e1c;

  color-scheme: light;
}


/* =========================================================
   RESET & GLOBAL
   ========================================================= */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(
      circle at 75% 10%,
      rgba(168, 199, 255, 0.08),
      transparent 28%
    ),
    var(--md-sys-color-background);

  color: var(--md-sys-color-on-surface);
  font-family: "Roboto", system-ui, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}


/* =========================================================
   NAVBAR
   ========================================================= */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: color-mix(
    in srgb,
    var(--md-sys-color-background) 85%,
    transparent
  );
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.nav-container {
  max-width: var(--max-width);
  margin: auto;
  height: 72px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-weight: 600;
  min-width: 0;
  flex-shrink: 0;
}

.logo-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  font-size: 16px;
}

/* Desktop nav */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  margin-right: 12px;
  flex-shrink: 1;
  min-width: 0;
}

.desktop-nav a {
  padding: 6px 10px;
  border-radius: 100px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 13px;
  font-weight: 500;
  transition: 0.2s;
  text-decoration: none;
  
  /* Ключевые свойства против разрыва фразы */
  white-space: nowrap !important;
  display: inline-block;
  flex-shrink: 0;
}

.desktop-nav a:hover {
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
}

.nav-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.menu-button {
  display: none;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.mobile-nav a {
  display: block;
  padding: 14px 12px;
  border-radius: 12px;
  color: var(--md-sys-color-on-surface-variant);
}

.mobile-nav a:hover {
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
}

.mobile-nav.open {
  display: block;
}


/* =========================================================
   GENERAL SECTIONS
   ========================================================= */

.section {
  max-width: var(--max-width);
  margin: auto;
  padding: 110px 24px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--md-sys-color-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 50px;
}

.section-number {
  color: var(--md-sys-color-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  padding-top: 4px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.04em;
  font-weight: 700;
}


/* =========================================================
   HERO
   ========================================================= */

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 70px;
  padding-top: 80px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface-variant);
  font-size: 12px;
  margin-bottom: 28px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 15%, transparent);
}

/* Контейнер для выравнивания двух плашек в одну строку */
.status-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap; /* Позволяет плашкам красиво переноситься на маленьких экранах */
  gap: 10px;
  margin-bottom: 24px;
}

.location-icon {
  font-size: 14px;
  line-height: 1;
}

.hero h1 {
  max-width: 750px;
  margin: 0;
  font-size: clamp(48px, 7vw, 84px);
  line-height: 1.05;
  letter-spacing: -0.05em;
  font-weight: 700;
}

.hero h1 span {
  color: var(--md-sys-color-primary);
}

.hero-description {
  max-width: 620px;
  margin: 28px 0 34px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}


/* =========================================================
   TERMINAL
   ========================================================= */

.hero-terminal {
  overflow: hidden;
  border-radius: 28px;
  background: #101318;
  border: 1px solid #343941;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.terminal-header {
  height: 46px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 15px;
  border-bottom: 1px solid #30343a;
  color: #9299a4;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #454a52;
}

/* Красная, желтая, зеленая точки */
.terminal-dots span:nth-child(1) {
  background-color: #ff5f56;
}

.terminal-dots span:nth-child(2) {
  background-color: #ffbd2e;
}

.terminal-dots span:nth-child(3) {
  background-color: #27c93f;
}

.terminal-body {
  padding: 28px 22px 34px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  line-height: 2;
}

.line-number {
  display: inline-block;
  width: 30px;
  color: #4d545e;
}

.keyword { color: #c792ea; }
.function { color: #82aaff; }
.white { color: #d6deeb; }

.terminal-cursor {
  color: var(--md-sys-color-primary);
  animation: blink 1s infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}


/* =========================================================
   ABOUT
   ========================================================= */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}

.about-text p {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 17px;
  margin-top: 0;
  margin-bottom: 22px;
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stat-card strong {
  font-size: 36px;
  letter-spacing: -0.05em;
  color: var(--md-sys-color-primary);
  font-family: "JetBrains Mono", monospace;
}

.stat-card span {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 13px;
}


/* =========================================================
   STACK
   ========================================================= */

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.stack-card {
  transition: transform 0.2s cubic-bezier(0.2, 0, 0, 1);
}

.stack-card:hover {
  transform: translateY(-3px);
}

.stack-content {
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.stack-icon {
  width: 45px;
  height: 45px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
}

.stack-card h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.stack-card p {
  margin: 2px 0 0;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 11px;
}


/* =========================================================
   PROJECTS
   ========================================================= */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.project-card {
  padding: 28px;
  min-height: 330px;
  display: flex;
  flex-direction: column;
}

.project-card.featured {
  grid-column: span 2;
  min-height: 380px;
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-number {
  font-family: "JetBrains Mono", monospace;
  color: var(--md-sys-color-primary);
  font-size: 13px;
}

.project-card h3 {
  margin: 24px 0 12px;
  font-size: 28px;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.project-card p {
  max-width: 650px;
  color: var(--md-sys-color-on-surface-variant);
  margin: 0;
}

.metrics {
  display: flex;
  gap: 40px;
  margin-top: auto;
  padding: 24px 0 18px;
}

.metrics div {
  display: flex;
  flex-direction: column;
}

.metrics strong {
  color: var(--md-sys-color-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
}

.metrics span {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 11px;
}

.tags {
  margin-top: 16px;
}


/* =========================================================
   EXPERIENCE
   ========================================================= */

.timeline {
  max-width: 850px;
  margin: auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 30px;
  padding-bottom: 50px;
  position: relative;
}

.timeline-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 180px;
  top: 8px;
  bottom: 0;
  width: 1px;
  background: var(--md-sys-color-outline-variant);
}

.timeline-date {
  color: var(--md-sys-color-on-surface-variant);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.timeline-content {
  position: relative;
}

.timeline-content::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--md-sys-color-primary);
  box-shadow: 0 0 0 5px var(--md-sys-color-background);
  z-index: 2;
}

.timeline-content h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.company {
  color: var(--md-sys-color-primary) !important;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px !important;
  margin: 4px 0 12px;
}

.timeline-content p {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 14px;
}


/* =========================================================
   CONTACT
   ========================================================= */

.contact-section {
  padding-top: 60px;
  padding-bottom: 110px;
}

.contact-card {
  padding: 70px 40px;
  text-align: center;
}

.contact-card h2 {
  max-width: 700px;
  margin: 0 auto 20px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.05em;
  font-weight: 700;
}

.contact-card h2 span {
  color: var(--md-sys-color-primary);
}

.contact-card > p:not(.eyebrow) {
  max-width: 550px;
  margin: 0 auto 32px;
  color: var(--md-sys-color-on-surface-variant);
}

.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}


/* =========================================================
   FOOTER
   ========================================================= */

.footer {
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.footer-container {
  max-width: var(--max-width);
  margin: auto;
  min-height: 120px;
  padding: 25px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer p {
  margin: 10px 0 0;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 12px;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 12px;
}

.footer-dot {
  color: var(--md-sys-color-primary);
}


/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {

  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 80px;
  }

  .hero-terminal {
    max-width: 700px;
    width: 100%;
    margin: auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .stack-grid {
    grid-template-columns: repeat(2, 1fr);
  }

}

@media (max-width: 650px) {

  .section {
    padding: 75px 18px;
  }

  .nav-container {
    padding: 0 18px;
  }

  .hero {
    padding-top: 55px;
    gap: 45px;
  }

  .hero h1 {
    font-size: clamp(42px, 14vw, 64px);
  }

  .hero-description {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions a,
  .hero-actions md-filled-button,
  .hero-actions md-outlined-button {
    width: 100%;
  }

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

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

  .project-card.featured {
    grid-column: span 1;
  }

  .project-card {
    min-height: auto;
    padding: 24px;
  }

  .metrics {
    gap: 20px;
    flex-wrap: wrap;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-left: 25px;
  }

  .timeline-item:not(:last-child)::after {
    left: 3px;
  }

  .timeline-content::before {
    left: -27px;
  }

  .contact-card {
    padding: 50px 22px;
  }

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

  .footer-right {
    flex-wrap: wrap;
  }

}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Подсветка C# строки в терминале */
.string {
  color: #ce9178;
}

/* Секция Хобби */
.hobbies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.hobby-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hobby-icon {
  font-size: 32px;
  color: var(--md-sys-color-primary);
  margin-bottom: 12px;
}

.hobby-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
}

.hobby-card p {
  margin: 0;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 14px;
}

/* Контактная информация */
.contact-info {
  margin-bottom: 24px;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
}

.contact-info p {
  margin: 6px 0;
  color: var(--md-sys-color-on-surface-variant);
}

.contact-info a {
  color: var(--md-sys-color-primary);
  text-decoration: underline;
}

.company a {
  color: inherit;
  text-decoration: none;
}

.company a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .hobbies-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  .logo span:last-child {
    display: none; /* Скрываем текст "kirill.dev", оставляя только круглую аватарку "K" */
  }
}

/* Контейнер сегментированного переключателя */
.lang-switch {
  display: flex;
  align-items: center;
  background-color: var(--md-sys-color-surface-container-high, #1e2430);
  border: 1px solid var(--md-sys-color-outline-variant, #2a3241);
  border-radius: 20px;
  padding: 3px;
  gap: 2px;
  margin-right: 8px;
}

/* Кнопки переключения */
.lang-btn {
  background: transparent;
  border: none;
  border-radius: 16px;
  color: var(--md-sys-color-on-surface-variant, #94a3b8);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

/* Эффект при наведении на неактивную кнопку */
.lang-btn:hover:not(.active) {
  color: var(--md-sys-color-on-surface, #e2e8f0);
}

/* Чёткий визуал активного языка */
.lang-btn.active {
  background-color: var(--md-sys-color-primary, #a8c7fa);
  color: var(--md-sys-color-on-primary, #00315b);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Убираем подчеркивание у ссылки обертки */
.cv-header-link {
  text-decoration: none;
}

/* Компактная кнопка CV в шапке */
.cv-btn {
  --md-outlined-button-container-height: 36px;
  --md-outlined-button-label-text-size: 13px;
  font-family: 'JetBrains Mono', monospace;
}

/* Скрываем компактную кнопку на мобилках, чтобы не перегружать topbar */
@media (max-width: 768px) {
  .cv-header-link {
    display: none;
  }
}

.mobile-cv-link {
  text-decoration: none;
  margin-top: 8px;
  padding: 0 16px;
}

/* Контейнер для всего блока кода (включая номера и текст) */
pre code {
  display: block;          /* Делаем блок блочным для корректной прокрутки */
  width: 100%;            /* Занимает всю ширину карточки */
  overflow-x: auto;        /* Включает горизонтальную прокрутку, если код не влазит */
  overflow-y: hidden;      /* Скрывает вертикальную прокрутку */
  white-space: pre !important; /* Жестко запрещает перенос любых строк */
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 13px;         /* Или твой текущий размер шрифта */
  line-height: 1.5;
  padding: 16px;          /* Отступы внутри блока */
}

@media (max-width: 600px) {
  /* Форсируем выстраивание в один ряд без переносов */
  .hero-status-group {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;     /* Запрещаем перенос на новую строку */
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
  }

  /* Компактный размер капсул для узких экранов */
  .status,
  .status-location {
    padding: 4px 10px;    /* Уменьшенные отступы */
    font-size: 11px;       /* Уменьшенный шрифт */
    white-space: nowrap;   /* Запрет разрыва текста внутри плашки */
  }
}

/* Материальная карточка заглушки */
.project-wip-card {
  grid-column: 1 / -1;
  padding: 32px 24px;
  /* Используем скругление Material 3 Large Card (12pt / 24px) */
  border-radius: var(--md-sys-shape-corner-large, 24px) !important;
  /* Цвет фона и границы строго из палитры Material Surface Container */
  background-color: var(--md-sys-color-surface-container-low, rgba(255, 255, 255, 0.02)) !important;
  border: 1px dashed var(--md-sys-color-outline-variant, rgba(255, 255, 255, 0.12)) !important;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.project-wip-card:hover {
  border-color: var(--md-sys-color-outline, rgba(255, 255, 255, 0.24)) !important;
  background-color: var(--md-sys-color-surface-container, rgba(255, 255, 255, 0.04)) !important;
}

/* Оформление верхнего ряда карточки */
.project-wip-card .project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

/* Капсула статуса в гайдлайнах M3 Badge/Chip */
.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--md-sys-shape-corner-full, 100px);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1px;
  /* Тёплый янтарный цвет акцента M3 Warning/Tertiary */
  background-color: var(--md-sys-color-tertiary-container, rgba(255, 186, 0, 0.12));
  color: var(--md-sys-color-on-tertiary-container, #ffba00);
  border: 1px solid var(--md-sys-color-tertiary, rgba(255, 186, 0, 0.2));
}

.badge-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--md-sys-color-on-tertiary-container, #ffba00);
  box-shadow: 0 0 8px var(--md-sys-color-tertiary-container, rgba(255, 186, 0, 0.8));
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
  100% { opacity: 1; transform: scale(1); }
}

/* Типографика по Material Design 3 */
.project-wip-card h3 {
  font-size: var(--md-sys-typescale-headline-small-size, 22px);
  font-weight: 600;
  color: var(--md-sys-color-on-surface, #e6e1e5);
  margin: 0 0 8px 0;
  letter-spacing: 0;
}

.project-wip-card p {
  font-size: var(--md-sys-typescale-body-medium-size, 14px);
  line-height: 1.6;
  color: var(--md-sys-color-on-surface-variant, #cac4d0);
  max-width: 580px;
  margin: 0;
}