/* ==========================================================================
   McKinsey-inspired Design Tokens
   Источник: mckinsey-design-tokens.css (см. mckinsey-design-system.md)
   ========================================================================== */

:root {

  /* ---------- COLOR — base ---------- */
  --mck-white:        #FFFFFF;
  --mck-black:         #000000;
  --mck-body-text:     #333333;
  --mck-text-muted:    #757575;
  --mck-border:        #B3B3B3;
  --mck-border-strong: #000000;

  /* ---------- COLOR — surfaces ---------- */
  --mck-surface-white: #FFFFFF;
  --mck-surface-tint:  #F0F0F0;
  --mck-surface-navy:  #051C2C;

  /* ---------- COLOR — brand blue ---------- */
  --mck-blue-600:  #2251FF;
  --mck-blue-700:  #1A3ECC;
  --mck-blue-100:  #E8EDFF;

  /* ---------- TYPOGRAPHY — font families ---------- */
  --font-display: 'PT Serif', 'Noto Serif', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', 'PT Sans', 'Helvetica Neue', Arial, sans-serif;

  /* ---------- TYPOGRAPHY — weights ---------- */
  --fw-light:   300;
  --fw-regular: 400;
  --fw-medium:  500;
  --fw-bold:    700;

  /* ---------- TYPOGRAPHY — scale (desktop) ---------- */
  --text-h1-size: 3.25rem;   --text-h1-lh: 3.75rem;
  --text-h2-size: 2.75rem;   --text-h2-lh: 3.25rem;
  --text-h3-size: 1.75rem;   --text-h3-lh: 2rem;
  --text-h4-size: 1.5rem;    --text-h4-lh: 1.75rem;
  --text-h5-size: 1.25rem;   --text-h5-lh: 2rem;
  --text-h6-size: 1.125rem;  --text-h6-lh: 1.75rem;
  --text-lead-size: 1.5rem;  --text-lead-lh: 2rem;
  --text-body-lg-size: 1.25rem; --text-body-lg-lh: 2rem;
  --text-body-size: 1rem;    --text-body-lh: 1.5rem;
  --text-small-size: 0.875rem; --text-small-lh: 1.25rem;

  --text-h1-size-mobile: 2.25rem;  --text-h1-lh-mobile: 2.75rem;
  --text-h2-size-mobile: 1.75rem;  --text-h2-lh-mobile: 2rem;

  --tracking-eyebrow: 0.075em;

  /* ---------- SPACING ---------- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 2.5rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 5rem;

  --section-pad-primary-mobile: 3rem;
  --section-pad-primary-tablet: 4rem;
  --section-pad-primary-desktop: 5rem;

  /* ---------- LAYOUT / GRID ---------- */
  --container-max: 90rem;
  --container-pad: 5%;

  /* ---------- RADIUS ---------- */
  --radius-none: 0px;
  --radius-full: 999px;

  /* ---------- ICON BUTTON SIZES ---------- */
  --icon-btn-l: 32px;

  /* ---------- MOTION ---------- */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;

  /* ---------- SHADOW ---------- */
  --shadow-card: 0 2px 8px rgba(5,28,44,0.08);
  --shadow-card-hover: 0 8px 24px rgba(5,28,44,0.14);
}

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

html {
  scroll-behavior: smooth;
  font-weight: var(--fw-light);
  font-family: var(--font-body);
  background: var(--mck-white);
  text-rendering: optimizeLegibility;
}

body {
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  color: var(--mck-body-text);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  margin: 0;
  color: var(--mck-black);
  font-weight: var(--fw-medium);
  font-family: var(--font-display);
}
h4, h5, h6 {
  margin: 0;
  color: var(--mck-black);
  font-weight: var(--fw-medium);
  font-family: var(--font-body);
}

.eyebrow {
  display: block;
  font-size: var(--text-small-size);
  line-height: var(--text-small-lh);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--mck-text-muted);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-weight: var(--fw-medium);
  font-size: var(--text-body-size);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--mck-black);
  border-top: 1px solid var(--mck-border-strong);
  padding-top: var(--space-4);
  margin-bottom: var(--space-7);
}
.section-header__num { color: var(--mck-text-muted); font-weight: var(--fw-regular); }
.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-lh);
  letter-spacing: normal;
  text-transform: none;
}

/* ---------- LAYOUT ---------- */

.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: var(--section-pad-primary-mobile);
  padding-bottom: var(--section-pad-primary-mobile);
}
@media screen and (min-width: 768px) {
  .section { padding-top: var(--section-pad-primary-tablet); padding-bottom: var(--section-pad-primary-tablet); }
}
@media screen and (min-width: 1180px) {
  .section { padding-top: var(--section-pad-primary-desktop); padding-bottom: var(--section-pad-primary-desktop); }
}

.section--dark {
  background-color: var(--mck-surface-navy);
  color: var(--mck-white);
}
.section--dark h1 { color: var(--mck-white); }
.section--dark .eyebrow { color: rgba(255,255,255,0.6); }

.section--tint {
  background-color: var(--mck-surface-tint);
}

/* ---------- BUTTONS ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-weight: var(--fw-medium);
  font-size: var(--text-body-size);
  border-radius: var(--radius-none);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-standard),
              color var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
}

.btn--outline {
  background-color: transparent;
  border-color: var(--mck-white);
  color: var(--mck-white);
}
.btn--outline:hover { border-color: var(--mck-blue-600); color: var(--mck-blue-600); }

/* ==========================================================================
   RESUME-SPECIFIC COMPONENTS
   ========================================================================== */

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--mck-white);
  border-bottom: 1px solid var(--mck-border-strong);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}
.logo {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 20px;
  border: 1px solid var(--mck-black);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mck-black);
}
.nav {
  display: flex;
  gap: var(--space-7);
}
.nav a {
  font-size: var(--text-small-size);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--mck-black);
  transition: color var(--duration-fast) var(--ease-standard);
}
.nav a:hover { color: var(--mck-blue-600); }
.nav .idx { color: var(--mck-text-muted); margin-right: 4px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 1px;
  background: var(--mck-black);
  display: block;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: var(--space-9);
  padding-bottom: var(--space-9);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 60% at 82% 28%, rgba(90,140,255,0.4), transparent 70%);
  z-index: -1;
  pointer-events: none;
}
.hero__waves {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: var(--space-8);
  align-items: start;
}
.hero__name {
  font-size: var(--text-h1-size);
  line-height: var(--text-h1-lh);
  margin-top: var(--space-3);
}
.rule {
  height: 1px;
  background: rgba(255,255,255,0.3);
  width: 100%;
  max-width: 460px;
  margin: var(--space-5) 0;
}
.hero__role {
  font-family: var(--font-body);
  font-size: var(--text-h6-size);
  line-height: var(--text-h6-lh);
  font-weight: var(--fw-medium);
  color: var(--mck-white);
  margin-bottom: var(--space-4);
}
.hero__desc {
  font-size: var(--text-body-lg-size);
  line-height: var(--text-body-lg-lh);
  font-weight: var(--fw-light);
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin-bottom: var(--space-6);
}
.hero__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero__photo {
  border: 1px solid rgba(255,255,255,0.25);
}
.hero__photo img {
  width: 100%;
  display: block;
}

/* ---------- Sections ---------- */
.block { margin-bottom: var(--space-8); }
.block:last-child { margin-bottom: 0; }
.block__title {
  font-size: var(--text-small-size);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--mck-text-muted);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--mck-border);
}

.timeline__item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--mck-border);
}
.timeline__item:last-child { border-bottom: none; }
.timeline__item--no-date { grid-template-columns: 1fr; }
.timeline__date {
  font-size: var(--text-small-size);
  color: var(--mck-text-muted);
  white-space: nowrap;
}
.item-head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.timeline__body h4 {
  font-size: var(--text-h6-size);
  line-height: var(--text-h6-lh);
}
.timeline__body p {
  color: var(--mck-body-text);
  font-size: var(--text-body-size);
  max-width: 640px;
}
.ext { color: var(--mck-text-muted); font-size: 14px; }

.org-logo {
  flex-shrink: 0;
  height: 36px;
  min-width: 36px;
  border: 1px solid var(--mck-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
}
.org-logo img {
  height: 100%;
  width: auto;
  max-width: 100px;
  object-fit: contain;
}
.org-logo--card {
  margin-bottom: var(--space-4);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.tag {
  font-size: var(--text-small-size);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  border: 1px solid var(--mck-black);
  padding: var(--space-2) var(--space-4);
  color: var(--mck-black);
}

.lang-list { max-width: 560px; }
.lang-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--mck-border);
  font-family: var(--font-body);
  font-weight: var(--fw-medium);
  font-size: var(--text-h6-size);
  color: var(--mck-black);
}
.lang-row:last-child { border-bottom: none; }
.lang-row__level {
  font-size: var(--text-small-size);
  font-weight: var(--fw-regular);
  color: var(--mck-text-muted);
  text-align: right;
}

/* ---------- Experience cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.card {
  background: var(--mck-white);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--duration-base) var(--ease-standard);
}
.card:hover { box-shadow: var(--shadow-card-hover); }
.card h3 {
  font-family: var(--font-body);
  font-weight: var(--fw-medium);
  font-size: var(--text-h6-size);
  line-height: var(--text-h6-lh);
  margin-bottom: var(--space-3);
}
.card p {
  color: var(--mck-body-text);
  font-size: 14.5px;
}

/* ---------- Contacts ---------- */
.contacts__lead {
  font-size: var(--text-lead-size);
  line-height: var(--text-lead-lh);
  font-weight: var(--fw-light);
  color: var(--mck-body-text);
  max-width: 640px;
  margin-bottom: var(--space-7);
}
.contacts__list { border-top: 1px solid var(--mck-border-strong); }
.contact-row {
  display: grid;
  grid-template-columns: 40px 160px 1fr 32px;
  align-items: center;
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--mck-border);
  transition: color var(--duration-fast) var(--ease-standard);
}
.contact-row:hover { color: var(--mck-blue-600); }
.contact-row:hover .contact-row__value { color: var(--mck-blue-600); }
.contact-row__idx {
  font-size: var(--text-small-size);
  color: var(--mck-text-muted);
}
.contact-row__label {
  font-size: var(--text-small-size);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--mck-text-muted);
}
.contact-row__value {
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  font-size: clamp(20px, 2.6vw, 30px);
  color: var(--mck-black);
  transition: color var(--duration-fast) var(--ease-standard);
}
.contact-row__arrow {
  font-size: 20px;
  color: var(--mck-text-muted);
  text-align: right;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--mck-border-strong);
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}
.footer p {
  font-size: 12px;
  color: var(--mck-text-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__photo { max-width: 340px; }
  .cards { grid-template-columns: 1fr; }
  .timeline__item { grid-template-columns: 1fr; gap: var(--space-2); }
  .contact-row { grid-template-columns: 32px 1fr auto; }
  .contact-row__label { display: none; }

  .nav {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: var(--mck-white);
    border-bottom: 1px solid var(--mck-border-strong);
    flex-direction: column;
    gap: 0;
    padding: var(--space-2) 5%;
    transform: translateY(calc(-100% - 100px));
    transition: transform var(--duration-base) var(--ease-standard);
  }
  .nav.is-open { transform: translateY(0); }
  .nav a { padding: var(--space-4) 0; border-bottom: 1px solid var(--mck-border); }
  .nav a:last-child { border-bottom: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 767px) {
  .hero__name { font-size: var(--text-h1-size-mobile); line-height: var(--text-h1-lh-mobile); }
  .section-header__title { font-size: 22px; line-height: 26px; }
}