/* OptimaBiz shared design system — navigation, controls, cards and footer. */
:root {
  --ob-navy-950: #071b27;
  --ob-navy-900: #0b2635;
  --ob-navy-850: #103445;
  --ob-navy-800: #164152;
  --ob-teal-700: #087472;
  --ob-teal-600: #0a8783;
  --ob-teal-500: #19a9a1;
  --ob-teal-200: #bce8e5;
  --ob-teal-100: #e4f5f4;
  --ob-ink: #14202a;
  --ob-muted: #65747c;
  --ob-canvas: #ffffff;
  --ob-surface: #f4f7f8;
  --ob-border: #dce5e8;
  --ob-radius-sm: 10px;
  --ob-radius-md: 16px;
  --ob-radius-lg: 24px;
  --ob-shadow-sm: 0 10px 28px rgba(7, 27, 39, .08);
  --ob-shadow-md: 0 24px 64px rgba(7, 27, 39, .16);
  --ob-motion: 180ms ease;

  /* Compatibility aliases for existing page templates. */
  --color-accent: var(--ob-teal-700);
  --color-accent-hover: var(--ob-teal-600);
  --color-text: var(--ob-ink);
  --color-muted: var(--ob-muted);
  --color-border: var(--ob-border);
  --primary: var(--ob-teal-700);
  --primary-h: var(--ob-teal-600);
  --text: var(--ob-ink);
  --muted: var(--ob-muted);
  --bg-soft: var(--ob-surface);
  --border: var(--ob-border);
  --border-soft: #e8eef0;
  --footer-bg: var(--ob-navy-950);
  --r-sm: var(--ob-radius-sm);
  --r: var(--ob-radius-lg);
  --shadow-card: var(--ob-shadow-sm);
}

html {
  scroll-padding-top: 92px;
}

body {
  color: var(--ob-ink);
  background: var(--ob-canvas);
  -webkit-font-smoothing: antialiased;
}

:focus-visible {
  outline: 3px solid var(--ob-teal-500);
  outline-offset: 3px;
}

.ob-h1,
.ob-h2,
.ob-h3 {
  color: var(--ob-ink);
  letter-spacing: -.025em;
  text-wrap: balance;
}

.ob-h1 {
  font-size: clamp(2.15rem, 3.9vw, 4.25rem);
  line-height: 1.04;
}

.ob-h2 {
  font-size: clamp(1.7rem, 2.7vw, 2.75rem);
  line-height: 1.1;
}

.ob-h3 {
  font-size: clamp(1.08rem, 1.35vw, 1.3rem);
  line-height: 1.24;
}

.ob-lead,
.ob-hero__lead {
  color: var(--ob-muted);
}

.ob-sec {
  padding-block: clamp(58px, 6vw, 92px);
}

.ob-btn {
  min-height: 46px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: var(--ob-radius-sm);
  font-weight: 800;
  letter-spacing: -.01em;
  transition: color var(--ob-motion), background var(--ob-motion), border-color var(--ob-motion), box-shadow var(--ob-motion), transform var(--ob-motion);
}

.ob-btn--primary {
  color: #fff;
  background: var(--ob-teal-700);
}

.ob-btn--primary:hover {
  color: #fff;
  background: var(--ob-teal-600);
  box-shadow: 0 12px 28px rgba(10, 135, 131, .24);
  transform: translateY(-1px);
}

.ob-btn--secondary {
  color: var(--ob-teal-700);
  background: #fff;
  border-color: var(--ob-teal-700);
}

.ob-btn--secondary:hover {
  color: var(--ob-navy-900);
  background: var(--ob-teal-100);
  border-color: var(--ob-teal-600);
}

.ob-btn--ghost {
  color: var(--ob-ink);
  background: transparent;
  border-color: var(--ob-border);
}

.ob-btn--ghost:hover {
  color: var(--ob-teal-700);
  border-color: var(--ob-teal-600);
}

:where(.ob-service-card, .ob-solution-card, .ob-feature-card, .ob-safe-case, .ob-project-card, .ob-criteria-card) {
  border-color: var(--ob-border);
  border-radius: var(--ob-radius-md);
  box-shadow: 0 1px 0 rgba(7, 27, 39, .02);
}

:where(.ob-service-card, .ob-solution-card, .ob-project-card) {
  transition: border-color var(--ob-motion), box-shadow var(--ob-motion), transform var(--ob-motion);
}

:where(.ob-service-card, .ob-solution-card, .ob-project-card):hover {
  border-color: rgba(10, 135, 131, .34);
  box-shadow: var(--ob-shadow-sm);
  transform: translateY(-3px);
}

.ob-input,
.ob-fi,
.ob-fs,
.ob-fta {
  border-color: var(--ob-border);
  border-radius: var(--ob-radius-sm);
}

.ob-input:focus,
.ob-fi:focus,
.ob-fs:focus,
.ob-fta:focus {
  border-color: var(--ob-teal-600);
  box-shadow: 0 0 0 4px rgba(25, 169, 161, .12);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  color: #fff;
  background: rgba(7, 27, 39, .97);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  box-shadow: 0 8px 30px rgba(7, 27, 39, .12);
  backdrop-filter: blur(16px);
}

.admin-bar .site-header {
  top: 32px;
}

.ob-hdr {
  height: 74px;
  gap: clamp(14px, 1.7vw, 28px);
}

.ob-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  color: #fff;
}

.ob-brand-logo-frame {
  display: grid;
  width: 88px;
  height: 58px;
  place-items: center;
  padding: 4px 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 7px 20px rgba(0, 0, 0, .12);
}

.ob-brand-logo {
  display: block;
  width: auto;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.ob-brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(137, 226, 218, .2);
  border-radius: 11px;
  background: rgba(255, 255, 255, .06);
}

.ob-brand-mark img {
  width: 28px;
  height: 28px;
}

.ob-brand-name {
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.035em;
}

.ob-brand-name > span {
  color: #62d8cf;
}

.ob-nav {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.ob-nav-item {
  position: relative;
}

.ob-nav-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 7px;
  padding: 9px clamp(8px, .72vw, 13px);
  color: rgba(255, 255, 255, .82);
  border: 0;
  border-radius: var(--ob-radius-sm);
  background: transparent;
  font-size: clamp(.77rem, .72vw, .9rem);
  font-weight: 750;
  line-height: 1.15;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--ob-motion), background var(--ob-motion);
}

.ob-nav-link:hover,
.ob-nav-link.is-active,
.ob-nav-item.open > .ob-nav-link {
  color: #fff;
  background: rgba(255, 255, 255, .1);
}

.ob-nav-link.is-active::before {
  position: absolute;
  right: 12px;
  bottom: 3px;
  left: 12px;
  height: 2px;
  border-radius: 999px;
  background: #4cd2c8;
  content: "";
}

.ob-nav > .ob-nav-link {
  position: relative;
}

.ob-nav-arrow {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  opacity: .68;
  transform: translateY(-2px) rotate(45deg);
  transition: transform var(--ob-motion);
}

.ob-nav-item.open .ob-nav-arrow {
  transform: translateY(2px) rotate(225deg);
}

.ob-dropdown {
  position: absolute;
  top: calc(100% + 11px);
  left: 0;
  z-index: 1100;
  display: grid;
  width: min(340px, calc(100vw - 32px));
  min-width: 300px;
  padding: 10px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--ob-radius-md);
  background: var(--ob-navy-900);
  box-shadow: var(--ob-shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--ob-motion), transform var(--ob-motion);
}

.ob-dropdown--wide {
  grid-template-columns: repeat(2, minmax(240px, 1fr));
  width: min(570px, calc(100vw - 32px));
}

.ob-nav-item--end .ob-dropdown {
  right: 0;
  left: auto;
}

.ob-nav-item.open .ob-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.ob-dropdown-group,
.ob-dropdown-group + .ob-dropdown-group {
  padding: 4px;
  border: 0;
}

.ob-dropdown--wide .ob-dropdown-group + .ob-dropdown-group {
  border-left: 1px solid rgba(255, 255, 255, .1);
}

.ob-dropdown-label {
  display: block;
  padding: 7px 10px 8px;
  color: #70dcd3;
  font-size: .68rem;
  font-weight: 850;
  line-height: 1.2;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.ob-dropdown a {
  display: block;
  padding: 10px;
  color: rgba(255, 255, 255, .9);
  border-radius: var(--ob-radius-sm);
  transition: color var(--ob-motion), background var(--ob-motion);
}

.ob-dropdown a strong,
.ob-dropdown a small {
  display: block;
}

.ob-dropdown a strong {
  font-size: .88rem;
  line-height: 1.25;
}

.ob-dropdown a small {
  margin-top: 3px;
  color: rgba(255, 255, 255, .54);
  font-size: .72rem;
  line-height: 1.38;
}

.ob-dropdown a:hover,
.ob-dropdown a:focus-visible,
.ob-dropdown a.is-current {
  color: #fff;
  background: rgba(77, 210, 200, .12);
}

.ob-dropdown a:hover small,
.ob-dropdown a:focus-visible small,
.ob-dropdown a.is-current small {
  color: rgba(255, 255, 255, .72);
}

.ob-hdr-right {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
}

.ob-hdr-contact {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: #a9f0ea;
  border: 1px solid rgba(169, 240, 234, .28);
  border-radius: 50%;
  font-size: .68rem;
  font-weight: 900;
  transition: color var(--ob-motion), background var(--ob-motion), border-color var(--ob-motion);
}

.ob-hdr-contact:hover {
  color: #fff;
  border-color: rgba(169, 240, 234, .58);
  background: rgba(169, 240, 234, .12);
}

.ob-btn--header {
  min-height: 42px;
  padding: 11px 17px;
  color: var(--ob-navy-950);
  background: #6ee0d7;
  font-size: .82rem;
}

.ob-btn--header:hover {
  color: var(--ob-navy-950);
  background: #91ebe4;
  box-shadow: 0 10px 24px rgba(25, 169, 161, .2);
}

.ob-burger {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--ob-radius-sm);
  background: rgba(255, 255, 255, .06);
  cursor: pointer;
}

.ob-burger span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.ob-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  background: rgba(3, 14, 22, .7);
  backdrop-filter: blur(4px);
}

.ob-mob {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1300;
  display: flex;
  width: min(420px, 94vw);
  height: 100dvh;
  flex-direction: column;
  color: #fff;
  border-left: 1px solid rgba(255, 255, 255, .1);
  background: var(--ob-navy-950);
  box-shadow: -24px 0 70px rgba(0, 0, 0, .28);
  transform: translateX(102%);
  transition: transform 240ms ease;
}

.admin-bar .ob-mob {
  top: 32px;
  height: calc(100dvh - 32px);
}

.ob-mob.open {
  transform: translateX(0);
}

.ob-mob-head {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  padding: 15px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.ob-mob-close {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--ob-radius-sm);
  background: rgba(255, 255, 255, .06);
  font-size: 1.45rem;
  cursor: pointer;
}

.ob-mob-body {
  flex: 1 1 auto;
  padding: 10px 14px 24px;
  overflow-y: auto;
}

.ob-mob-direct,
.ob-mob-group-toggle {
  display: flex;
  width: 100%;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 11px;
  color: rgba(255, 255, 255, .9);
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  border-radius: 0;
  background: transparent;
  font-size: 1rem;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.ob-mob-body a.ob-mob-direct:not(.ob-btn) {
  display: flex;
  min-height: 50px;
  align-items: center;
  padding: 12px 11px;
  color: rgba(255, 255, 255, .9);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  border-radius: 0;
  font-size: 1rem;
  font-weight: 800;
}

.ob-mob-direct:hover,
.ob-mob-group-toggle:hover,
.ob-mob-direct.is-active,
.ob-mob-group-toggle.is-active {
  color: #78e2da;
  background: transparent;
}

.ob-mob-body a.ob-mob-direct:not(.ob-btn):hover,
.ob-mob-body a.ob-mob-direct.is-active:not(.ob-btn) {
  color: #78e2da;
  background: transparent;
}

.ob-mob-group-toggle > span:last-child {
  color: #78e2da;
  font-size: 1.25rem;
  font-weight: 500;
  transition: transform var(--ob-motion);
}

.ob-mob-group-toggle[aria-expanded="true"] > span:last-child {
  transform: rotate(45deg);
}

.ob-mob-group-panel {
  display: block;
  padding: 5px 0 12px 12px;
}

.ob-mob-group-panel[hidden] {
  display: none;
}

.ob-mob-group-title {
  display: block;
  padding: 12px 10px 5px;
  color: rgba(112, 220, 211, .72);
  font-size: .66rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.ob-mob-body .ob-mob-group-panel a:not(.ob-btn) {
  display: block;
  padding: 9px 10px;
  color: rgba(255, 255, 255, .7);
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 650;
}

.ob-mob-body .ob-mob-group-panel a:hover,
.ob-mob-body .ob-mob-group-panel a.is-current {
  color: #fff;
  background: rgba(77, 210, 200, .1);
}

.ob-mob-cta {
  display: grid;
  flex: 0 0 auto;
  gap: 10px;
  padding: 14px 18px 18px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  background: var(--ob-navy-900);
}

.ob-mob-contacts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ob-mob-contacts a {
  padding: 9px;
  color: rgba(255, 255, 255, .72);
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 8px;
  font-size: .78rem;
  font-weight: 750;
  text-align: center;
}

body.ob-lock {
  overflow: hidden;
}

/* Footer */
.site-footer {
  padding: clamp(44px, 5vw, 68px) 0 0;
  color: #fff;
  background:
    radial-gradient(circle at 14% 0, rgba(25, 169, 161, .13), transparent 30%),
    var(--ob-navy-950);
}

.ob-ftr-grid {
  display: grid;
  grid-template-columns: minmax(230px, 1.45fr) repeat(4, minmax(135px, .8fr));
  gap: clamp(24px, 3vw, 52px);
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.ob-brand--footer {
  margin-bottom: 18px;
}

.ob-brand--footer .ob-brand-logo-frame {
  width: 112px;
  height: 78px;
  padding: 5px 10px;
  border-color: rgba(255, 255, 255, .12);
  box-shadow: none;
}

.ob-ftr-desc {
  max-width: 330px;
  color: rgba(255, 255, 255, .62);
  font-size: .88rem;
  line-height: 1.65;
}

.ob-ftr-socials {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.ob-ftr-socials a {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: #a9f0ea;
  border: 1px solid rgba(169, 240, 234, .22);
  border-radius: 10px;
  font-size: .68rem;
  font-weight: 900;
  transition: color var(--ob-motion), background var(--ob-motion), border-color var(--ob-motion);
}

.ob-ftr-socials a:hover {
  color: #fff;
  border-color: rgba(169, 240, 234, .5);
  background: rgba(169, 240, 234, .1);
}

.ob-ftr-col h2 {
  margin: 5px 0 15px;
  color: #fff;
  font-size: .83rem;
  font-weight: 850;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.ob-ftr-col a {
  display: block;
  padding: 4px 0;
  color: rgba(255, 255, 255, .62);
  font-size: .84rem;
  line-height: 1.45;
  transition: color var(--ob-motion);
}

.ob-ftr-col a:hover {
  color: #74e0d8;
}

.ob-ftr-col p {
  margin-top: 12px;
  color: rgba(255, 255, 255, .42);
  font-size: .78rem;
  line-height: 1.55;
}

.ob-ftr-legal {
  padding-block: 21px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.ob-ftr-legal strong {
  display: block;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, .78);
  font-size: .78rem;
}

.ob-ftr-legal p {
  max-width: 1180px;
  color: rgba(255, 255, 255, .43);
  font-size: .75rem;
  line-height: 1.55;
}

.ob-ftr-legal small {
  display: block;
  margin-top: 5px;
  color: #79bbb6;
  font-size: .68rem;
}

.ob-ftr-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-block: 16px;
  color: rgba(255, 255, 255, .5);
  font-size: .76rem;
}

.site-footer--commerce {
  padding-top: 34px;
}

.site-footer--commerce .ob-ftr-grid {
  grid-template-columns: minmax(240px, 1.2fr) repeat(2, minmax(190px, .8fr));
  padding-bottom: 26px;
}

.site-footer--commerce .ob-ftr-col--directions,
.site-footer--commerce .ob-ftr-col--company {
  display: none;
}

.site-footer--commerce .ob-ftr-legal {
  padding-block: 15px;
}

@media (max-width: 1320px) {
  .ob-brand-name {
    display: none;
  }

  .ob-dropdown--wide {
    width: min(520px, calc(100vw - 32px));
  }
}

@media (max-width: 1180px) {
  .ob-nav,
  .ob-hdr-contact {
    display: none;
  }

  .ob-brand-name {
    display: inline;
  }

  .ob-burger {
    display: flex;
  }
}

@media (max-width: 1040px) {
  .ob-ftr-grid {
    grid-template-columns: 1.35fr repeat(2, minmax(150px, 1fr));
  }

  .ob-ftr-col--contacts,
  .ob-ftr-col--documents {
    grid-column: auto;
  }
}

@media (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }

  .admin-bar .ob-mob {
    top: 46px;
    height: calc(100dvh - 46px);
  }
}

@media (max-width: 760px) {
  .ob-hdr {
    height: 66px;
  }

  .ob-hdr-right > .ob-btn--header {
    display: none;
  }

  .ob-brand-mark {
    width: 36px;
    height: 36px;
  }

  .site-header .ob-brand-logo-frame,
  .ob-mob-head .ob-brand-logo-frame {
    width: 78px;
    height: 52px;
    padding: 4px 7px;
  }

  .ob-h1 {
    font-size: clamp(2rem, 10vw, 3.15rem);
  }

  .ob-sec {
    padding-block: 54px;
  }

  .ob-ftr-grid,
  .site-footer--commerce .ob-ftr-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 18px;
  }

  .ob-ftr-brand-col,
  .site-footer--commerce .ob-ftr-brand-col {
    grid-column: 1 / -1;
  }

  .ob-ftr-col--contacts,
  .ob-ftr-col--documents {
    grid-column: auto;
  }

  .ob-ftr-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .ob-ftr-grid,
  .site-footer--commerce .ob-ftr-grid {
    grid-template-columns: 1fr;
  }

  .ob-ftr-brand-col,
  .ob-ftr-col--contacts,
  .ob-ftr-col--documents {
    grid-column: auto;
  }

  .ob-mob {
    width: 100vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}