:root {
  --bg: #edf3f8;
  --bg-2: #dfe9f2;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-solid: #ffffff;
  --surface-muted: #f6f9fc;
  --text: #0f172a;
  --muted: #5f6f82;
  --border: rgba(120, 145, 170, 0.22);
  --accent: #135a96;
  --accent-2: #0f3f6d;
  --accent-3: #f59e0b;
  --success: #118a66;
  --danger: #b42318;
  --radius: 22px;
  --radius-sm: 16px;
  --shadow: 0 22px 60px rgba(15, 23, 42, 0.10);
  --shadow-soft: 0 10px 28px rgba(15, 23, 42, 0.08);
  --ease: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.92) 0, rgba(255, 255, 255, 0) 30%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.2) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.3), rgba(0,0,0,0.05));
}

a {
  color: inherit;
}

.page {
  max-width: 1220px;
  margin: 0 auto;
  padding: 24px;
  transition: transform 280ms ease;
  width: 100%;
}

.page.shift {
  transform: translateX(180px);
}

.top-row {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 6px 0 14px;
}

.top-row img {
  width: 78px;
  height: 78px;
  border-radius: 22px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.55);
  background: #fff;
  box-shadow: 0 12px 24px rgba(19, 90, 150, 0.16);
}

.site-title-wrap {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.site-kicker {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.site-title {
  font-size: clamp(1.2rem, 2.2vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  word-break: normal;
  overflow-wrap: anywhere;
}

.site-caption {
  justify-self: end;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  backdrop-filter: blur(8px);
  max-width: 100%;
}

.burger {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.75);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  flex-shrink: 0;
}

.burger span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 2px auto;
  border-radius: 999px;
  background: var(--accent-2);
  transition: var(--ease);
}

.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(19, 90, 150, 0.25), transparent);
  margin: 8px 0 28px;
}

.glass-card {
  background: var(--surface);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: var(--shadow);
}

.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.42);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 220ms ease;
  z-index: 950;
}

.menu-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.side-menu {
  position: fixed;
  top: 0;
  left: -292px;
  width: 292px;
  max-width: 86vw;
  height: 100vh;
  background: rgba(15, 34, 56, 0.92);
  backdrop-filter: blur(14px);
  border-right: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 24px 60px rgba(0,0,0,0.28);
  padding: 24px;
  z-index: 1000;
  transition: left 280ms ease;
  display: flex;
  flex-direction: column;
  color: #e6eef6;
  overflow-y: auto;
}

.side-menu.open {
  left: 0;
}

.side-menu__header {
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(230, 238, 246, 0.65);
  margin-bottom: 16px;
}

.side-menu__item {
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  text-decoration: none;
  color: #f8fbff;
  transition: var(--ease);
}

.side-menu__item:hover {
  background: rgba(255,255,255,0.08);
  transform: translateX(3px);
}

.side-menu__item--active {
  background: linear-gradient(135deg, #1b72b7, #144e80);
  color: #ffffff;
}

.side-menu__footer {
  margin-top: auto;
  color: rgba(230, 238, 246, 0.62);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 14px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.55);
  box-shadow: var(--shadow);
  background: linear-gradient(135deg, rgba(255,255,255,0.93), rgba(244,248,252,0.95));
  position: relative;
  isolation: isolate;
  margin-bottom: 24px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(245, 158, 11, 0.14), transparent 30%);
  pointer-events: none;
  z-index: -1;
}

.hero-text {
  padding: clamp(28px, 4vw, 46px);
  display: grid;
  gap: 16px;
  align-content: center;
  min-width: 0;
}

.hero-kicker {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(19, 90, 150, 0.09);
  border: 1px solid rgba(19, 90, 150, 0.18);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.88rem;
}

.hero-title {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
  text-wrap: balance;
}

.hero-p {
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.08rem);
  max-width: 58ch;
}

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

.hero-button,
.r-btn,
.doc-link,
.doc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: var(--ease);
  min-height: 44px;
  text-align: center;
}

.hero-button,
.r-btn--primary,
.doc-btn--primary {
  border: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 12px 28px rgba(19, 90, 150, 0.22);
}

.hero-button:hover,
.r-btn--primary:hover,
.doc-btn--primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
}

.hero-button--secondary,
.r-btn--ghost,
.doc-btn--ghost {
  background: rgba(255,255,255,0.78);
  color: var(--text);
  border: 1px solid var(--border);
}

.hero-button--secondary:hover,
.r-btn--ghost:hover,
.doc-btn--ghost:hover {
  background: #fff;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.hero-stat {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.75);
  border: 1px solid rgba(120,145,170,0.18);
  min-width: 0;
}

.hero-stat__value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-2);
  word-break: normal;
  overflow-wrap: anywhere;
}

.hero-stat__label {
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-image {
  min-height: 420px;
  background-image:
    linear-gradient(90deg, rgba(244,248,252,0.95), rgba(244,248,252,0.15) 35%),
    url("images/maska.jpg");
  background-size: cover;
  background-position: right;
}

.section-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
  margin-bottom: 22px;
}

.info-panel,
.callout-panel,
.article,
.tabs-item,
.doc-card,
.prof-info,
.siz-type,
.r-card {
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.65);
  box-shadow: var(--shadow-soft);
}

.info-panel,
.callout-panel {
  border-radius: 24px;
  padding: 24px;
  min-width: 0;
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.panel-text {
  color: var(--muted);
  margin-bottom: 18px;
}

.steps {
  display: grid;
  gap: 12px;
}

.step {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  align-items: start;
}

.step__num {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(19, 90, 150, 0.14), rgba(245, 158, 11, 0.16));
  color: var(--accent-2);
  font-weight: 800;
}

.step__title {
  font-weight: 700;
  margin-bottom: 4px;
}

.step__text {
  color: var(--muted);
}

.callout-panel {
  background:
    linear-gradient(135deg, rgba(18, 59, 103, 0.96), rgba(20, 78, 128, 0.92)),
    #123b67;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.callout-panel::after {
  content: "";
  position: absolute;
  inset: auto -50px -70px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.18);
}

.callout-panel .panel-text,
.callout-panel .feature-list li,
.callout-panel .badge-note {
  color: rgba(255,255,255,0.84);
}

.feature-list {
  display: grid;
  gap: 10px;
  list-style: none;
}

.feature-list li {
  padding-left: 28px;
  position: relative;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 800;
  color: #f8c34d;
}

.badge-note {
  display: inline-flex;
  margin-top: 18px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  font-size: 0.88rem;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.tabs-item {
  border-radius: 20px;
  padding: 18px;
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.tabs-item::before {
  content: attr(data-icon);
  font-size: 1.5rem;
  display: block;
  margin-bottom: 10px;
}

.tabs-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.tabs-item span {
  color: var(--muted);
  font-size: 0.92rem;
}

.articles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.article {
  border-radius: 24px;
  min-height: 190px;
  padding: 22px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.article__eyebrow {
  display: inline-flex;
  width: fit-content;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(19, 90, 150, 0.09);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.82rem;
}

.article h3 {
  font-size: 1.12rem;
}

.article p {
  color: var(--muted);
}

footer {
  margin-top: 30px;
  border-top: 1px solid rgba(120,145,170,0.22);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 0.93rem;
}

.footer-left strong {
  color: var(--text);
}

.footer-right {
  text-align: right;
}

.footer-link {
  display: block;
  text-decoration: none;
  margin-bottom: 6px;
}

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

.docs-content,
.test-page,
.result-page {
  max-width: 1040px;
  margin: 0 auto;
  min-width: 0;
}

.docs-title,
.test-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: 10px;
  letter-spacing: -0.03em;
  font-weight: 600;
}

.section-intro {
  color: var(--muted);
  margin-bottom: 18px;
  max-width: 72ch;
}

.docs-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
  margin-bottom: 22px;
}

.docs-illustration {
  border-radius: 26px;
  min-height: 280px;
  background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(235,242,248,0.94));
  border: 1px solid rgba(255,255,255,0.65);
  box-shadow: var(--shadow-soft);
  background-image: url("images/docs-illustration.svg");
  background-size: cover;
  background-position: center;
}

.docs-grid {
  display: grid;
  gap: 16px;
}

.doc-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: start;
  border-radius: 24px;
  padding: 22px;
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.doc-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(19, 90, 150, 0.05), transparent 45%);
}

.doc-icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  background: rgba(19, 90, 150, 0.10);
  flex-shrink: 0;
}

.doc-title {
  font-size: 1.08rem;
  margin-bottom: 6px;
}

.doc-desc {
  color: var(--muted);
  margin-bottom: 12px;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
}

.doc-size,
.doc-date,
.doc-tag {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
}

.doc-actions {
  min-width: 212px;
}

@media (max-width: 980px) {
  .hero {
    position: relative;
    display: block;
    min-height: 760px;
    border-radius: 28px;
    overflow: hidden;
    background: #eef3f7;
  }

  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
      linear-gradient(90deg, rgba(255,255,255,0.94) 0%, rgba(255,255,255,0.88) 36%, rgba(255,255,255,0.42) 58%, rgba(255,255,255,0.06) 78%, rgba(255,255,255,0) 100%);
    pointer-events: none;
  }

  .hero-image {
    position: absolute;
    inset: 0;
    min-height: 100%;
    background-image: url("images/maska.jpg");
    background-size: cover;
    background-position: 72% center;
    z-index: 0;
  }

  .hero-text {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 18px;
    width: min(62%, 560px);
    min-height: 100%;
    padding: 34px 28px 28px;
  }

  .hero-title {
    max-width: none;
    font-size: clamp(2.3rem, 5vw, 3.4rem);
    line-height: 0.98;
    color: #0f172a;
    word-break: normal;
    overflow-wrap: normal;
    hyphens: none;
    text-wrap: balance;
  }

  .hero-p {
    max-width: 30ch;
    font-size: 1rem;
    line-height: 1.5;
    color: #66768a;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 360px;
  }

  .hero-button,
  .hero-button--secondary {
    width: 100%;
    min-width: 0;
  }

  .hero-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    max-width: 360px;
    margin-top: 8px;
  }

  .hero-stat {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
  }

  .hero-stat__value {
    font-size: 1rem;
    line-height: 1.15;
  }

  .hero-stat__label {
    font-size: 0.85rem;
    line-height: 1.35;
  }

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

  .tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .docs-hero,
  .doc-card {
    grid-template-columns: 1fr;
  }

  .doc-actions {
    min-width: 0;
    width: 100%;
  }

  .page.shift {
    transform: none;
  }

  .site-caption {
    display: none;
  }
}

@media (max-width: 720px) {
  .page {
    padding: 14px;
  }

  .top-row {
    grid-template-columns: 44px 56px 1fr;
    gap: 10px;
    align-items: center;
    padding-bottom: 10px;
  }

  .top-row img {
    width: 56px;
    height: 56px;
    border-radius: 16px;
  }

  .site-kicker {
    display: none;
  }

  .site-title-wrap {
    gap: 2px;
  }

  .site-title {
    font-size: 1rem;
    line-height: 1.18;
  }

  .divider {
    margin: 6px 0 18px;
  }

  .hero {
    min-height: 820px;
    border-radius: 24px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(255,255,255,0.88) 0%, rgba(255,255,255,0.64) 34%, rgba(255,255,255,0.18) 60%, rgba(255,255,255,0.06) 100%),
      linear-gradient(90deg, rgba(255,255,255,0.86) 0%, rgba(255,255,255,0.56) 42%, rgba(255,255,255,0.14) 72%, rgba(255,255,255,0) 100%);
  }

  .hero-image {
    background-position: 68% center;
  }

  .hero-text {
    width: 100%;
    max-width: 100%;
    padding: 24px 18px 18px;
    gap: 16px;
  }

  .hero-title {
    font-size: clamp(2.1rem, 7.2vw, 2.9rem);
    line-height: 1;
    text-wrap: pretty;
  }

  .hero-p {
    max-width: 28ch;
    font-size: 0.98rem;
  }

  .hero-actions,
  .hero-meta {
    max-width: 100%;
  }

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

  .info-panel,
  .callout-panel,
  .article,
  .tabs-item {
    border-radius: 20px;
    padding: 18px;
  }

  .hero-button,
  .doc-btn,
  .r-btn,
  .hero-button--secondary {
    width: 100%;
  }

  .hero-actions,
  .r-actions {
    flex-direction: column;
  }

  .footer-right {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .page {
    padding: 10px;
  }

  .top-row {
    grid-template-columns: 42px 50px 1fr;
    gap: 8px;
    padding-bottom: 10px;
  }

  .top-row img {
    width: 50px;
    height: 50px;
    border-radius: 14px;
  }

  .site-title {
    font-size: 0.95rem;
    line-height: 1.15;
  }

  .burger {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

  .hero {
    min-height: 780px;
    border-radius: 22px;
    margin-bottom: 18px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(255,255,255,0.90) 0%, rgba(255,255,255,0.68) 34%, rgba(255,255,255,0.22) 58%, rgba(255,255,255,0.08) 100%),
      linear-gradient(90deg, rgba(255,255,255,0.88) 0%, rgba(255,255,255,0.62) 46%, rgba(255,255,255,0.18) 76%, rgba(255,255,255,0) 100%);
  }

  .hero-image {
    background-position: 70% center;
  }

  .hero-text {
    padding: 18px 14px 14px;
    gap: 14px;
  }

  .hero-title {
    font-size: clamp(1.9rem, 8vw, 2.35rem);
    line-height: 1.02;
    letter-spacing: -0.035em;
    word-break: normal;
    overflow-wrap: normal;
  }

  .hero-p {
    max-width: 24ch;
    font-size: 0.93rem;
    line-height: 1.45;
  }

  .hero-button,
  .hero-button--secondary {
    padding: 14px 18px;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .hero-stat {
    padding: 12px 14px;
    border-radius: 14px;
  }

  .hero-stat__value {
    font-size: 0.96rem;
  }

  .hero-stat__label {
    font-size: 0.8rem;
  }

  .info-panel,
  .callout-panel,
  .article,
  .doc-card,
  .tabs-item {
    border-radius: 18px;
  }

  .info-panel,
  .callout-panel,
  .article,
  .doc-card,
  .tabs-item {
    padding: 16px;
  }

  .panel-title {
    font-size: 1rem;
  }

  .panel-text,
  .step__text,
  .tabs-item span,
  .article p,
  .section-intro,
  footer {
    font-size: 0.92rem;
  }

  .step {
    grid-template-columns: 40px 1fr;
    gap: 10px;
  }

  .step__num {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }

  .tabs {
    gap: 10px;
    margin-bottom: 16px;
  }

  .tabs-item::before {
    font-size: 1.25rem;
    margin-bottom: 8px;
  }

  .articles {
    gap: 12px;
  }

  .article {
    min-height: 0;
  }

  .docs-title,
  .test-title {
    font-size: 1.35rem;
    line-height: 1.15;
  }

  .docs-illustration {
    min-height: 180px;
    border-radius: 18px;
  }

  .doc-card {
    gap: 14px;
  }

  .doc-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    font-size: 1.25rem;
  }

  .doc-title {
    font-size: 1rem;
  }

  .doc-meta {
    gap: 8px;
  }

  .doc-size,
  .doc-date,
  .doc-tag {
    font-size: 0.76rem;
    padding: 5px 8px;
  }

  .doc-actions,
  .r-actions {
    width: 100%;
  }

  .side-menu {
    width: min(86vw, 320px);
    left: calc(-1 * min(86vw, 320px));
    padding: 18px 16px;
  }
}