/* BURSKY COMMERCE INC — light professional theme */

:root {
  --color-bg: #f8fafc;
  --color-bg-elevated: #ffffff;
  --color-surface: #f1f5f9;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-accent: #1565c0;
  --color-accent-hover: #0d47a1;
  --color-accent-soft: #e3f2fd;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 4px 12px rgba(28, 25, 23, 0.08);
  --radius: 10px;
  --header-h: 7.75rem;
  --container: min(1120px, calc(100% - 2rem));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 8.5rem;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--color-accent-hover);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.site-logo {
  display: block;
  width: min(300px, 36vw);
  max-width: 300px;
  flex: 0 1 auto;
  min-width: 0;
  text-decoration: none;
}

.site-logo:hover {
  opacity: 0.92;
}

.site-logo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

@media (max-width: 768px) {
  .site-logo {
    width: min(240px, 62vw);
  }
}

.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;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-elevated);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin: 0 auto;
  background: var(--color-text);
  border-radius: 1px;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  display: block;
  padding: 0.35rem 0;
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}

.site-nav__link:hover,
.site-nav__link.site-nav__link--active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    max-height: 0;
    overflow: hidden;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transition: max-height 0.35s ease;
  }

  .site-nav.is-open {
    max-height: 320px;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem;
    margin: 0 auto;
    width: min(1120px, calc(100% - 2rem));
  }

  .site-nav__link {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav__link:hover,
  .site-nav__link.site-nav__link--active {
    border-bottom-color: var(--color-border);
    border-left: 3px solid var(--color-accent);
    padding-left: 0.5rem;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* Hero */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  padding: 4.5rem 0 4rem;
  overflow: hidden;
  background: linear-gradient(160deg, #0f172a 0%, #0d47a1 58%, #1565c0 100%);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(13, 71, 161, 0.9) 0%,
    rgba(15, 23, 42, 0.5) 45%,
    rgba(15, 23, 42, 0.15) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  color: #fafaf9;
}

.hero__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.9;
}

.hero__title {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.hero__lead {
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  max-width: 52ch;
  opacity: 0.95;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}

.button--primary {
  background: #fff;
  color: var(--color-accent-hover);
  border-color: #fff;
}

.button--primary:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
}

.button--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

/* Sections */

.section {
  padding: 4rem 0;
}

.section--about {
  background: var(--color-bg);
}

.about-logo {
  display: block;
  width: min(420px, 100%);
  height: auto;
  margin: 0 auto 1.75rem;
  object-fit: contain;
}

.section--products {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section--finance {
  background: var(--color-bg);
}

.section--contacts {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
}

.section__header {
  margin-bottom: 2rem;
  text-align: center;
}

.section__title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.section__intro {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.prose {
  max-width: 68ch;
  margin: 0 auto 2.5rem;
  color: var(--color-text);
}

.about-content__text {
  margin-left: 0;
  margin-right: 0;
  margin-bottom: 0;
}

.prose--center {
  text-align: center;
}

.prose .lead {
  font-size: 1.125rem;
  color: var(--color-text);
}

.lead {
  margin-top: 0;
}

/* Cards */

.card-grid {
  display: grid;
  gap: 1.25rem;
}

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

.card-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .card-grid--2,
  .card-grid--3 {
    grid-template-columns: 1fr;
  }
}

.card {
  padding: 1.5rem 1.5rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.section--products .card {
  background: var(--color-bg-elevated);
}

.card--wide {
  grid-column: 1 / -1;
}

.card--accent {
  background: var(--color-accent-soft);
  border-color: #90caf9;
}

.card__title {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.card p,
.card ul {
  margin: 0 0 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.card p:last-child,
.card ul:last-child {
  margin-bottom: 0;
}

.card ul {
  padding-left: 1.25rem;
}

.card__highlight {
  margin-top: 0.5rem !important;
  font-size: 1rem !important;
  font-weight: 500;
  color: var(--color-text) !important;
}

/* Feature split */

.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin: 3rem 0;
}

.feature-split--reverse .feature-split__text {
  order: 2;
}

.feature-split--reverse .feature-split__figure {
  order: 1;
}

@media (max-width: 768px) {
  .feature-split {
    grid-template-columns: 1fr;
  }

  .feature-split--reverse .feature-split__text,
  .feature-split--reverse .feature-split__figure {
    order: unset;
  }
}

.feature-split__title {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.feature-split__text p {
  margin: 0 0 0.75rem;
  color: var(--color-text-muted);
}

.feature-split__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.list-check {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.list-check li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.4rem;
  color: var(--color-text-muted);
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-banner {
  margin: 3rem 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.section-banner img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
}

/* Offices */

.office-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.office-grid--single {
  grid-template-columns: minmax(0, 28rem);
  justify-content: center;
}

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

.office-card {
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.office-card__region {
  margin: 0 0 0.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.office-card__title {
  margin: 0 0 1rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.office-card__details {
  margin: 0;
  font-size: 0.9375rem;
}

.office-card__details dt {
  margin-top: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.office-card__details dt:first-child {
  margin-top: 0;
}

.office-card__details dd {
  margin: 0.25rem 0 0;
  color: var(--color-text);
}

/* Get in touch */

.get-in-touch {
  max-width: 56ch;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
  background: var(--color-accent-soft);
  border: 1px solid #90caf9;
  border-radius: var(--radius);
}

.get-in-touch__title {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.get-in-touch p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

.get-in-touch__direct {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.2rem;
  margin-bottom: 0 !important;
  font-weight: 600;
  font-size: 1.0625rem;
}

.get-in-touch__direct a {
  color: var(--color-accent);
}

.get-in-touch__sep {
  margin: 0 0.5rem;
  color: var(--color-text-muted);
}

/* Footer */

.site-footer {
  padding: 2rem 0;
  background: linear-gradient(180deg, #0d2137 0%, #0a1628 100%);
  color: #e2e8f0;
}

.site-footer a {
  color: #fff;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.site-footer__inner {
  text-align: center;
}

.site-footer__logo {
  display: block;
  width: min(320px, 80vw);
  margin: 0 auto 1rem;
  padding: 0.4rem 0.6rem;
  background: #fff;
  border-radius: 8px;
}

.site-footer__logo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.site-footer__brand-text {
  line-height: 1.2;
}

.site-footer__contact {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
}

.site-footer__sep {
  margin: 0 0.5rem;
  opacity: 0.6;
}

.site-footer__copy {
  margin: 0;
  font-size: 0.8125rem;
  opacity: 0.75;
}