/* Arcline design system — self-contained, no external assets */

:root {
  /* Color */
  --c-void: #050914;
  --c-ink: #0b1226;
  --c-navy: #111a33;
  --c-graphite: #16203b;
  --c-steel: #25335a;
  --c-slate: #4b5b83;
  --c-cloud: #93a2c6;
  --c-mist: #c7d1e8;
  --c-foam: #e8ecf8;
  --c-snow: #f5f7fb;
  --c-white: #ffffff;

  --c-accent: #4c8eff;
  --c-accent-2: #3572de;
  --c-accent-soft: rgba(76, 142, 255, 0.14);
  --c-success: #25caa8;
  --c-warning: #f2b84b;
  --c-danger: #f26d6d;

  /* Typography */
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* Spacing scale */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.25rem;
  --s-6: 1.5rem;
  --s-8: 2rem;
  --s-10: 2.5rem;
  --s-12: 3rem;
  --s-16: 4rem;
  --s-20: 5rem;
  --s-24: 6rem;

  /* Radii */
  --r-sm: 0.375rem;
  --r-md: 0.625rem;
  --r-lg: 0.875rem;
  --r-xl: 1.125rem;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(5, 9, 20, 0.14);
  --shadow-md: 0 4px 14px rgba(5, 9, 20, 0.12);
  --shadow-lg: 0 12px 34px rgba(5, 9, 20, 0.18);
  --shadow-card: 0 2px 8px rgba(5, 9, 20, 0.08), 0 0 1px rgba(5, 9, 20, 0.12);
  --shadow-glow: 0 0 24px rgba(76, 142, 255, 0.18);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 180ms;
  --duration-normal: 260ms;
  --duration-slow: 520ms;

  /* Layout */
  --max-w: 1232px;
  --nav-h: 68px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-sans);
  background: var(--c-snow);
  color: var(--c-ink);
  line-height: 1.55;
  font-size: 16px;
}

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

img, svg { display: block; max-width: 100%; }

ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, h5, h6, p { margin: 0; }

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

input, textarea, select {
  font: inherit;
  color: inherit;
  border: 1px solid var(--c-foam);
  background: var(--c-white);
  border-radius: var(--r-md);
  padding: 0.65rem 0.9rem;
  outline: none;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-soft);
}

label { font-size: 0.85rem; font-weight: 500; color: var(--c-slate); }

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

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--s-6);
}

@media (min-width: 1024px) { .container { padding-inline: var(--s-8); } }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(245, 247, 251, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-fast), background var(--duration-fast);
}

.header.scrolled {
  border-bottom-color: var(--c-foam);
  background: rgba(245, 247, 251, 0.94);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
  color: var(--c-ink);
}

.logo svg { width: 26px; height: 26px; }

.nav { display: none; align-items: center; gap: var(--s-2); }

@media (min-width: 960px) { .nav { display: flex; } }

.nav__item {
  position: relative;
  padding: var(--s-2) var(--s-3);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--c-slate);
  border-radius: var(--r-md);
  transition: color var(--duration-fast), background var(--duration-fast);
}

.nav__item:hover, .nav__item[aria-current="page"] {
  color: var(--c-ink);
  background: var(--c-foam);
}

.has-mega { position: relative; }

.mega {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  opacity: 0;
  visibility: hidden;
  width: min(720px, 92vw);
  padding: var(--s-5);
  background: var(--c-white);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  transition: opacity var(--duration-fast), transform var(--duration-fast), visibility var(--duration-fast);
  pointer-events: none;
}

.has-mega:hover .mega,
.has-mega:focus-within .mega {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.mega__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-4);
}

.mega__title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-cloud);
  margin-bottom: var(--s-3);
}

.mega__link {
  display: block;
  padding: var(--s-3) var(--s-2);
  border-radius: var(--r-md);
  transition: background var(--duration-fast);
}

.mega__link:hover { background: var(--c-snow); }

.mega__link strong {
  display: block;
  font-size: 0.95rem;
  color: var(--c-ink);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.mega__link span {
  display: block;
  font-size: 0.82rem;
  color: var(--c-slate);
  line-height: 1.4;
}

.header__actions { display: flex; align-items: center; gap: var(--s-3); }

.mobile-toggle { display: inline-flex; padding: var(--s-2); border-radius: var(--r-md); }

.mobile-toggle:hover { background: var(--c-foam); }

@media (min-width: 960px) { .mobile-toggle { display: none; } }

.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: var(--c-white);
  padding: var(--s-6);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-fast), visibility var(--duration-fast);
  z-index: 49;
  overflow: auto;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  display: block;
  padding: var(--s-3) 0;
  font-size: 1.1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--c-foam);
}

.mobile-menu .btn { margin-top: var(--s-4); width: 100%; justify-content: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 0.55rem 1rem;
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast), background var(--duration-fast);
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--c-accent);
  color: var(--c-white);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover { background: var(--c-accent-2); box-shadow: var(--shadow-md); }

.btn--secondary {
  background: var(--c-white);
  color: var(--c-ink);
  border: 1px solid var(--c-foam);
  box-shadow: var(--shadow-sm);
}

.btn--secondary:hover { border-color: var(--c-mist); background: var(--c-snow); }

.btn--ghost { color: var(--c-slate); }

.btn--ghost:hover { color: var(--c-ink); background: var(--c-foam); }

.btn--sm { padding: 0.35rem 0.75rem; font-size: 0.82rem; }

.btn--lg { padding: 0.8rem 1.45rem; font-size: 1rem; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--c-ink);
  color: var(--c-white);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(76, 142, 255, 0.22) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(37, 51, 90, 0.55) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(76, 142, 255, 0.08) 0%, transparent 60%);
  animation: meshMove 22s ease-in-out infinite alternate;
}

@keyframes meshMove {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.08) translate(-2%, 2%); }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 70%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--s-24) - var(--nav-h));
  padding-bottom: var(--s-20);
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-1) var(--s-3);
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  font-size: 0.78rem;
  color: var(--c-mist);
  margin-bottom: var(--s-6);
}

.hero__label .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-success);
  animation: pulse 2.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.15); }
}

.hero__title {
  font-size: clamp(2.3rem, 5.5vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-weight: 700;
  max-width: 820px;
  margin-bottom: var(--s-5);
}

.hero__lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--c-cloud);
  max-width: 620px;
  margin-bottom: var(--s-8);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-4); margin-bottom: var(--s-12); }

.hero__demo {
  position: relative;
  border-radius: var(--r-xl);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(11, 18, 38, 0.65);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.demo-header {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.demo-header__dot { width: 10px; height: 10px; border-radius: 50%; }

.demo-header__dot:nth-child(1) { background: var(--c-danger); }
.demo-header__dot:nth-child(2) { background: var(--c-warning); }
.demo-header__dot:nth-child(3) { background: var(--c-success); }

.demo-body { padding: var(--s-5); }

/* Reveal */
/* Reveal-анимация.
   ВАЖНО: базовое состояние НЕ должно скрывать контент. Если JS не выполнится
   (заблокирован, ошибка), страница обязана остаться полностью читаемой —
   скрытый контент выглядел бы как сломанный сайт, что для decoy недопустимо.
   Поэтому "спрятать" элемент может только JS, добавив .reveal-init. */
.reveal-init {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s cubic-bezier(.22,.61,.36,1), transform .6s cubic-bezier(.22,.61,.36,1);
}
.reveal-init.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal-init { opacity: 1; transform: none; transition: none; }
}


.stagger-1 { transition-delay: 60ms; }
.stagger-2 { transition-delay: 120ms; }
.stagger-3 { transition-delay: 180ms; }
.stagger-4 { transition-delay: 240ms; }

/* Sections */
.section { padding-block: var(--s-20); }

.section--snow { background: var(--c-snow); }
.section--white { background: var(--c-white); }
.section--dark {
  background: var(--c-ink);
  color: var(--c-white);
}

.section__header {
  max-width: 680px;
  margin-bottom: var(--s-12);
}

.section__eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--c-accent);
  font-weight: 700;
  margin-bottom: var(--s-3);
}

.section--dark .section__eyebrow { color: var(--c-accent); }

.section__title {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin-bottom: var(--s-4);
}

.section__desc {
  font-size: 1.05rem;
  color: var(--c-slate);
}

.section--dark .section__desc { color: var(--c-cloud); }

/* Cards */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  transition: transform var(--duration-fast), box-shadow var(--duration-fast), border-color var(--duration-fast);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: var(--c-mist);
}

.card__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  background: var(--c-accent-soft);
  color: var(--c-accent);
  margin-bottom: var(--s-4);
}

.card__icon svg { width: 24px; height: 24px; }

.card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: var(--s-2); }

.card__text { font-size: 0.92rem; color: var(--c-slate); line-height: 1.55; }

/* Grids */
.grid-3 {
  display: grid;
  gap: var(--s-5);
}

@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.grid-4 {
  display: grid;
  gap: var(--s-5);
}

@media (min-width: 640px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* Metrics */
.metric {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.metric__value {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}

.section--dark .metric__value { color: var(--c-white); }

.metric__label {
  font-size: 0.85rem;
  color: var(--c-slate);
}

.section--dark .metric__label { color: var(--c-cloud); }

.metric__sep {
  width: 32px;
  height: 3px;
  border-radius: var(--r-full);
  background: var(--c-accent);
  margin-bottom: var(--s-1);
}

/* Customers / logos */
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--s-8);
  opacity: 0.75;
}

.logo-item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--c-steel);
  font-size: .98rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  white-space: nowrap;
  transition: color .25s var(--ease-out), opacity .25s var(--ease-out);
}
.logo-item:hover { color: var(--c-ink); }
.logo-item__mark {
  width: 26px;
  height: 26px;
  flex: none;
  opacity: .85;
}
.logo-item__name { display: inline-block; }
@media (max-width: 560px) {
  .logo-item__name { display: none; }
  .logo-item__mark { width: 30px; height: 30px; }
}

/* Testimonials */
.quote {
  background: var(--c-white);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  position: relative;
}

.quote__text {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--c-ink);
  margin-bottom: var(--s-5);
}

.quote__author {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.quote__avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    overflow: hidden;
    display: grid;
    place-items: center;
    flex: none;
}
.avatar-svg { width: 40px; height: 40px; display: block; }

.quote__name { font-weight: 600; font-size: 0.92rem; }
.quote__role { font-size: 0.8rem; color: var(--c-slate); }

/* Pricing */
.pricing-grid {
  display: grid;
  gap: var(--s-5);
  align-items: start;
}

@media (min-width: 768px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .pricing-grid { grid-template-columns: repeat(4, 1fr); } }

.price-card {
  background: var(--c-white);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-lg);
  padding: var(--s-6);
}

.price-card--featured {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-glow);
  position: relative;
}

.price-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-accent);
  color: var(--c-white);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--s-1) var(--s-3);
  border-radius: var(--r-full);
}

.price-card__name { font-size: 1.1rem; font-weight: 700; margin-bottom: var(--s-1); }
.price-card__desc { font-size: 0.85rem; color: var(--c-slate); margin-bottom: var(--s-4); }

.price-card__price {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: var(--s-1);
}

.price-card__price span { font-size: 0.9rem; color: var(--c-slate); font-weight: 500; }

.price-card__list { margin: var(--s-5) 0; }
.price-card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--s-2);
  font-size: 0.9rem;
  padding: var(--s-2) 0;
  color: var(--c-slate);
  border-bottom: 1px solid var(--c-foam);
}

.price-card__list li svg {
  width: 18px;
  height: 18px;
  color: var(--c-success);
  flex-shrink: 0;
}

/* Feature table */
.table-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--c-foam); }

.feature-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--c-white);
  font-size: 0.92rem;
}

.feature-table th,
.feature-table td { padding: var(--s-3) var(--s-4); text-align: left; border-bottom: 1px solid var(--c-foam); }

.feature-table th { font-weight: 600; color: var(--c-ink); background: var(--c-snow); }

.feature-table td { color: var(--c-slate); }

.feature-table tr:last-child td { border-bottom: 0; }

.feature-table .check { color: var(--c-success); }
.feature-table .dash { color: var(--c-cloud); }

/* Tabs */
.tabs { display: flex; flex-wrap: wrap; gap: var(--s-2); border-bottom: 1px solid var(--c-foam); margin-bottom: var(--s-6); }

.tab {
  padding: var(--s-3) var(--s-4);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-slate);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.tab[aria-selected="true"] { color: var(--c-accent); border-color: var(--c-accent); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Accordions */
.accordion { border: 1px solid var(--c-foam); border-radius: var(--r-lg); overflow: hidden; }

.accordion__item { border-bottom: 1px solid var(--c-foam); }
.accordion__item:last-child { border-bottom: 0; }

.accordion__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-4) var(--s-5);
  font-weight: 600;
  text-align: left;
  background: var(--c-white);
  transition: background var(--duration-fast);
}

.accordion__btn:hover { background: var(--c-snow); }

.accordion__btn svg { width: 20px; height: 20px; color: var(--c-slate); transition: transform var(--duration-fast); }

.accordion__item.open .accordion__btn svg { transform: rotate(180deg); }

.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-out);
}

.accordion__body > div { padding: 0 var(--s-5) var(--s-5); color: var(--c-slate); font-size: 0.95rem; line-height: 1.6; }

/* Footer */
.footer {
  background: var(--c-ink);
  color: var(--c-cloud);
  padding-top: var(--s-16);
  padding-bottom: var(--s-8);
}

.footer__grid {
  display: grid;
  gap: var(--s-8);
  margin-bottom: var(--s-12);
}

@media (min-width: 640px) { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer__grid { grid-template-columns: 1.5fr repeat(3, 1fr); } }

.footer__brand { max-width: 300px; }

.footer__brand .logo { color: var(--c-white); margin-bottom: var(--s-4); }

.footer__brand p { font-size: 0.88rem; line-height: 1.6; color: var(--c-cloud); margin-bottom: var(--s-4); }

.footer__col h4 {
  color: var(--c-white);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--s-4);
}

.footer__col a {
  display: block;
  font-size: 0.88rem;
  padding: var(--s-1) 0;
  color: var(--c-cloud);
  transition: color var(--duration-fast);
}

.footer__col a:hover { color: var(--c-white); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-1) var(--s-3);
  border-radius: var(--r-full);
  background: rgba(37, 202, 168, 0.12);
  color: var(--c-success);
  font-size: 0.78rem;
  font-weight: 600;
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-success);
  animation: pulse 2.8s ease-in-out infinite;
}

.footer__offices {
  display: grid;
  gap: var(--s-3);
  margin-top: var(--s-4);
  font-size: 0.82rem;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding-top: var(--s-6);
  border-top: 1px solid var(--c-steel);
  font-size: 0.82rem;
}

.footer__legal { display: flex; flex-wrap: wrap; gap: var(--s-4); }
.footer__legal a:hover { color: var(--c-white); }

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 9, 20, 0.68);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--s-4);
}

.modal-overlay.open { display: flex; }

.modal {
  width: min(520px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--c-white);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--s-6);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--s-5);
}

.modal__title { font-size: 1.3rem; font-weight: 700; }

.modal__close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: background var(--duration-fast);
}

.modal__close:hover { background: var(--c-foam); }

.modal__close svg { width: 22px; height: 22px; color: var(--c-slate); }

.form-row { margin-bottom: var(--s-4); }

.form-row label { display: block; margin-bottom: var(--s-2); }

.form-row input,
.form-row select {
  width: 100%;
}

.field-error {
  font-size: 0.78rem;
  color: var(--c-danger);
  margin-top: var(--s-1);
  min-height: 1em;
}

.password-wrap { position: relative; }
.password-wrap input { padding-right: 2.6rem; }
.password-wrap button {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  padding: var(--s-1);
  color: var(--c-slate);
}

.strength {
  display: flex;
  gap: var(--s-1);
  margin-top: var(--s-2);
}

.strength__bar {
  flex: 1;
  height: 4px;
  border-radius: var(--r-full);
  background: var(--c-foam);
}

.strength__bar.fill { background: var(--c-success); }

.sso-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-3);
  margin-bottom: var(--s-4);
}

.sso-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: var(--s-3);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-md);
  font-size: 0.85rem;
  font-weight: 500;
  transition: background var(--duration-fast), border-color var(--duration-fast);
}

.sso-btn:hover { background: var(--c-snow); border-color: var(--c-mist); }

.sso-btn svg { width: 18px; height: 18px; }

.progress {
  display: flex;
  gap: var(--s-2);
  margin-bottom: var(--s-5);
}

.progress__step {
  flex: 1;
  height: 4px;
  border-radius: var(--r-full);
  background: var(--c-foam);
}

.progress__step.active { background: var(--c-accent); }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 0.88rem;
  color: var(--c-slate);
  margin-bottom: var(--s-4);
}

.checkbox-row input { width: auto; }

.form-note {
  font-size: 0.78rem;
  color: var(--c-slate);
  margin-top: var(--s-4);
  line-height: 1.5;
}

/* Docs */
.docs-layout {
  display: grid;
  gap: var(--s-8);
  padding-top: var(--s-8);
  padding-bottom: var(--s-16);
}

@media (min-width: 900px) { .docs-layout { grid-template-columns: 260px 1fr; } }

.docs-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + var(--s-6));
  align-self: start;
  max-height: calc(100vh - var(--nav-h) - var(--s-12));
  overflow: auto;
}

.docs-sidebar h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-slate);
  margin: var(--s-5) 0 var(--s-3);
}

.docs-sidebar a {
  display: block;
  padding: var(--s-2) 0;
  font-size: 0.9rem;
  color: var(--c-slate);
  border-left: 2px solid transparent;
  padding-left: var(--s-3);
}

.docs-sidebar a:hover, .docs-sidebar a.active { color: var(--c-accent); border-color: var(--c-accent); }

.docs-main { min-width: 0; }

.docs-main h2 { font-size: 1.7rem; font-weight: 700; margin: var(--s-10) 0 var(--s-4); }
.docs-main h3 { font-size: 1.25rem; font-weight: 700; margin: var(--s-8) 0 var(--s-3); }
.docs-main p { color: var(--c-slate); margin-bottom: var(--s-4); line-height: 1.65; }
.docs-main ul { list-style: disc; padding-left: var(--s-6); color: var(--c-slate); margin-bottom: var(--s-4); }
.docs-main li { margin-bottom: var(--s-2); }

.code-block {
  background: var(--c-void);
  color: var(--c-mist);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  overflow-x: auto;
  margin: var(--s-4) 0 var(--s-6);
}

.code-block .comment { color: var(--c-slate); }
.code-block .keyword { color: var(--c-accent); }
.code-block .string { color: var(--c-success); }
.code-block .number { color: var(--c-warning); }

/* App */
.app-shell {
  display: grid;
  min-height: 100vh;
  background: var(--c-snow);
}

@media (min-width: 900px) { .app-shell { grid-template-columns: 240px 1fr; } }

.app-sidebar {
  background: var(--c-ink);
  color: var(--c-cloud);
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
}

.app-sidebar__logo { color: var(--c-white); }

.app-sidebar__nav { display: flex; flex-direction: column; gap: var(--s-1); }

.app-sidebar__nav a {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-3);
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.app-sidebar__nav a:hover, .app-sidebar__nav a.active { background: rgba(255,255,255,0.08); color: var(--c-white); }

.app-sidebar__nav a svg { width: 20px; height: 20px; }

.app-main { padding: var(--s-6); }

@media (min-width: 1024px) { .app-main { padding: var(--s-8); } }

.demo-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
  background: var(--c-accent-soft);
  border: 1px solid rgba(76, 142, 255, 0.2);
  border-radius: var(--r-lg);
  padding: var(--s-3) var(--s-5);
  margin-bottom: var(--s-6);
  font-size: 0.88rem;
  color: var(--c-accent-2);
}

.kpi-grid {
  display: grid;
  gap: var(--s-5);
  margin-bottom: var(--s-8);
}

@media (min-width: 640px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .kpi-grid { grid-template-columns: repeat(4, 1fr); } }

.kpi-card {
  background: var(--c-white);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-lg);
  padding: var(--s-5);
}

.kpi-card__label { font-size: 0.8rem; color: var(--c-slate); margin-bottom: var(--s-2); }
.kpi-card__value { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.03em; }
.kpi-card__delta { font-size: 0.8rem; color: var(--c-success); margin-top: var(--s-2); }

.kpi-card__spark {
  height: 42px;
  margin-top: var(--s-4);
}

.panel {
  background: var(--c-white);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  margin-bottom: var(--s-6);
}

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  margin-bottom: var(--s-5);
  flex-wrap: wrap;
}

.panel__title { font-weight: 700; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th, .data-table td { padding: var(--s-3) var(--s-2); text-align: left; border-bottom: 1px solid var(--c-foam); }
.data-table th { color: var(--c-slate); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table td { color: var(--c-ink); }

.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: var(--s-2); }
.status-dot--ok { background: var(--c-success); }
.status-dot--warn { background: var(--c-warning); }
.status-dot--crit { background: var(--c-danger); }

/* Status page */
.status-hero {
  background: var(--c-ink);
  color: var(--c-white);
  padding-block: var(--s-16);
}

.status-hero__title { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; margin-bottom: var(--s-4); }

.status-hero__ok {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-5);
  border-radius: var(--r-full);
  background: rgba(37, 202, 168, 0.14);
  color: var(--c-success);
  font-weight: 600;
}

.uptime-bar {
  display: flex;
  gap: 2px;
  height: 32px;
  margin-top: var(--s-3);
}

.uptime-bar__seg {
  flex: 1;
  border-radius: 2px;
  background: var(--c-success);
  animation: barBreathe 3.2s ease-in-out infinite;
}

.uptime-bar__seg:nth-child(7n) { animation-delay: -0.4s; }
.uptime-bar__seg:nth-child(7n+1) { animation-delay: -0.8s; }
.uptime-bar__seg:nth-child(7n+2) { animation-delay: -1.2s; }

@keyframes barBreathe {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}

.incident {
  padding: var(--s-4) 0;
  border-bottom: 1px solid var(--c-foam);
}

.incident:last-child { border-bottom: 0; }

.incident__date { font-size: 0.78rem; color: var(--c-slate); text-transform: uppercase; letter-spacing: 0.06em; }
.incident__title { font-weight: 600; margin: var(--s-1) 0; }
.incident__desc { font-size: 0.9rem; color: var(--c-slate); }

/* About */
.timeline {
  position: relative;
  padding-left: var(--s-8);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--c-foam);
}

.timeline__item { position: relative; margin-bottom: var(--s-8); }

.timeline__dot {
  position: absolute;
  left: -35px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-accent);
  border: 3px solid var(--c-white);
  box-shadow: 0 0 0 2px var(--c-foam);
}

.timeline__year { font-size: 0.78rem; color: var(--c-accent); font-weight: 700; margin-bottom: var(--s-1); }
.timeline__title { font-weight: 700; margin-bottom: var(--s-2); }
.timeline__text { color: var(--c-slate); }

.team-grid {
  display: grid;
  gap: var(--s-5);
}

@media (min-width: 640px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .team-grid { grid-template-columns: repeat(3, 1fr); } }

.team-card {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  background: var(--c-white);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-lg);
  padding: var(--s-5);
}

.team-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--c-accent-soft);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-accent);
  flex-shrink: 0;
}

.team-card__name { font-weight: 700; }
.team-card__role { font-size: 0.85rem; color: var(--c-slate); }

/* Careers */
.role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--c-foam);
}

.role:last-child { border-bottom: 0; }

.role__title { font-weight: 700; }
.role__meta { font-size: 0.85rem; color: var(--c-slate); }

.values-grid {
  display: grid;
  gap: var(--s-5);
}

@media (min-width: 768px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }

.value-card {
  background: var(--c-white);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-lg);
  padding: var(--s-6);
}

.value-card__num {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-accent);
  margin-bottom: var(--s-3);
}

.value-card__title { font-weight: 700; margin-bottom: var(--s-2); }
.value-card__text { font-size: 0.92rem; color: var(--c-slate); }

/* Contact */
.contact-grid {
  display: grid;
  gap: var(--s-8);
}

@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.2fr 1fr; } }

.contact-card {
  background: var(--c-white);
  border: 1px solid var(--c-foam);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  margin-bottom: var(--s-5);
}

.contact-card h3 { font-weight: 700; margin-bottom: var(--s-4); }

.contact-row {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  margin-bottom: var(--s-3);
  font-size: 0.92rem;
  color: var(--c-slate);
}

.contact-row svg { width: 20px; height: 20px; color: var(--c-accent); flex-shrink: 0; }

/* Legal */
.legal {
  padding-top: var(--s-12);
  padding-bottom: var(--s-20);
}

.legal h1 { font-size: 2rem; font-weight: 700; margin-bottom: var(--s-2); }
.legal__updated { color: var(--c-slate); font-size: 0.9rem; margin-bottom: var(--s-8); }
.legal h2 { font-size: 1.3rem; font-weight: 700; margin: var(--s-8) 0 var(--s-3); }
.legal p, .legal li { color: var(--c-slate); line-height: 1.65; }
.legal p { margin-bottom: var(--s-4); }
.legal ul { list-style: disc; padding-left: var(--s-6); margin-bottom: var(--s-4); }
.legal table { width: 100%; border-collapse: collapse; margin: var(--s-4) 0 var(--s-6); font-size: 0.88rem; }
.legal th, .legal td { padding: var(--s-3) var(--s-3); border-bottom: 1px solid var(--c-foam); text-align: left; }
.legal th { font-weight: 600; background: var(--c-snow); }

/* 404 */
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  background: var(--c-ink);
  color: var(--c-white);
  padding: var(--s-8);
}

.error-page h1 { font-size: clamp(4rem, 12vw, 8rem); font-weight: 700; letter-spacing: -0.06em; opacity: 0.85; }
.error-page p { color: var(--c-cloud); max-width: 420px; margin: var(--s-4) auto var(--s-6); }
.error-page__actions { display: flex; gap: var(--s-3); justify-content: center; flex-wrap: wrap; }
.error-page__hint { font-size: .9rem; color: var(--c-mist); margin-top: var(--s-6); }
.error-page__hint a { color: var(--c-accent); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .2s; }
.error-page__hint a:hover { border-bottom-color: var(--c-accent); }

/* Sparkline / chart */
.sparkline { width: 100%; height: 100%; }

/* Utility */
.text-center { text-align: center; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--s-2); }
.gap-4 { gap: var(--s-4); }
.mt-4 { margin-top: var(--s-4); }
.mt-8 { margin-top: var(--s-8); }
.mb-4 { margin-bottom: var(--s-4); }
.mb-8 { margin-bottom: var(--s-8); }
.full-width { width: 100%; }

/* Reduced motion overrides for specific animations */
@media (prefers-reduced-motion: reduce) {
  .hero__gradient, .status-pill::before, .dot, .uptime-bar__seg { animation: none; }
}