:root {
  --primary-white: #ffffff;
  --primary-black: #0f1f38;
  --accent-color: #557abd;
  --accent-color-deep: #385d9b;
  --accent-color-soft: #eef4ff;
  --accent-color-muted: #d9e6ff;
  --light-gray: #f6f9ff;
  --medium-gray: #5f6f86;
  --dark-gray: #23344f;
  --success-color: #1f8c6b;
  --surface-color: #ffffff;
  --surface-border: rgba(54, 91, 153, 0.12);
  --shadow-soft: 0 24px 70px rgba(38, 66, 112, 0.12);
  --shadow-card: 0 20px 50px rgba(25, 52, 96, 0.1);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container-max: 1240px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(85, 122, 189, 0.09), transparent 28%),
    linear-gradient(180deg, #fbfdff 0%, #f6f9ff 100%);
  color: var(--dark-gray);
}

h1,
h2,
h3,
h4,
h5,
h6,
.font-display,
.section-title,
.hero-title,
.carousel-title,
.cta-title {
  font-family: "Cormorant Garamond", serif;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
}

.container {
  max-width: var(--container-max);
}

.main {
  overflow: hidden;
}

.btn-corporate-red,
.btn-outline-corporate-red,
.btn-outline-light {
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
}

.btn-corporate-red {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-color-deep) 100%);
  border: none;
  color: var(--primary-white);
  box-shadow: 0 16px 35px rgba(85, 122, 189, 0.26);
}

.btn-corporate-red:hover {
  color: var(--primary-white);
  transform: translateY(-2px);
  box-shadow: 0 20px 45px rgba(85, 122, 189, 0.34);
}

.btn-outline-corporate-red {
  border: 1px solid rgba(85, 122, 189, 0.28);
  background: rgba(255, 255, 255, 0.9);
  color: var(--accent-color-deep);
}

.btn-outline-corporate-red:hover {
  background: var(--accent-color-soft);
  color: var(--accent-color-deep);
  border-color: var(--accent-color);
}

.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.1);
  color: var(--primary-white);
  backdrop-filter: blur(8px);
}

.btn-outline-light:hover {
  color: var(--primary-white);
  border-color: var(--primary-white);
  background: rgba(255, 255, 255, 0.18);
}

.section-title {
  color: var(--primary-black);
  font-weight: 700;
}

.bg-corporate-light {
  background-color: var(--light-gray) !important;
}

.bg-corporate-dark {
  background-color: var(--primary-black) !important;
}

.text-corporate-red {
  color: var(--accent-color-deep) !important;
}

.section-title::after {
  background: linear-gradient(90deg, var(--accent-color) 0%, #7b9bdd 100%);
  border-radius: 999px;
}

.lead,
.service-description,
.value-description,
.contact-text,
.blog-excerpt,
.testimonial-content,
.header-subtitle {
  color: var(--medium-gray) !important;
}

.corporate-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-card);
}

.soft-panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.otech-topbar {
  background: linear-gradient(90deg, #16325d 0%, #284a82 100%);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
}

.otech-topbar a {
  color: rgba(255, 255, 255, 0.9);
}

.otech-nav-shell {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(246, 249, 255, 0.72);
  backdrop-filter: blur(12px);
}

.otech-navbar {
  padding: 0.9rem 0;
}

.otech-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  margin-left: 0.35rem;
  margin-right: 1.5rem;
  flex-shrink: 0;
}

.otech-brand-logo {
  width: 62px;
  height: 62px;
  object-fit: contain;
  border-radius: 50%;
  background: var(--primary-white);
  border: 1px solid rgba(85, 122, 189, 0.16);
  box-shadow: 0 10px 30px rgba(36, 67, 120, 0.12);
}

.otech-brand-mark {
  line-height: 1.05;
  max-width: 220px;
}

.otech-brand-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent-color-deep);
}

.otech-brand-title {
  display: block;
  color: var(--primary-black);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.05;
}

.otech-navbar .navbar {
  align-items: center;
  gap: 1rem;
}

.otech-navbar .navbar-collapse {
  flex-grow: 1;
}

.otech-navbar .navbar-nav {
  flex-wrap: nowrap;
}

.otech-nav-link,
.otech-navbar .dropdown-toggle,
.otech-navbar .dropdown-item {
  font-weight: 600;
}

.otech-navbar .nav-link,
.otech-navbar .dropdown-toggle {
  color: var(--dark-gray);
  border-radius: 999px;
  padding: 0.7rem 1rem !important;
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
}

.otech-navbar .nav-link.active,
.otech-navbar .dropdown-toggle.active,
.otech-navbar .nav-link:hover,
.otech-navbar .dropdown-toggle:hover {
  color: var(--accent-color-deep);
  background: rgba(85, 122, 189, 0.08);
}

.otech-navbar .dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.65rem);
  left: 0;
  min-width: 220px;
  border: 1px solid var(--surface-border);
  border-radius: 18px;
  padding: 0.75rem;
  margin-top: 0;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-card);
  z-index: 1200;
}

.otech-navbar .nav-item.dropdown {
  position: relative;
}

.otech-navbar .nav-item.dropdown > .dropdown-menu.show {
  display: block;
}

.otech-navbar .dropdown-item {
  border-radius: 12px;
  font-size: 0.96rem;
  font-weight: 700;
  padding: 0.65rem 0.85rem;
}

.otech-navbar .dropdown-item:hover,
.otech-navbar .dropdown-item.active {
  background: var(--accent-color-soft);
  color: var(--accent-color-deep);
}

.otech-toolbar {
  margin-left: auto;
  gap: 0.75rem;
  flex-wrap: nowrap;
  justify-content: flex-end;
  flex-shrink: 0;
}

.otech-search-form {
  flex: 0 1 auto;
}

.otech-search {
  min-width: 220px;
  max-width: 260px;
}

.otech-lang-form {
  margin-left: 0.25rem;
  flex-shrink: 0;
}

.otech-lang {
  width: 128px;
  min-width: 128px;
  padding-left: 0.85rem;
  padding-right: 2.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 14px;
  border: 1px solid rgba(85, 122, 189, 0.28);
  background-color: rgba(255, 255, 255, 0.94);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent-color-deep) 50%),
    linear-gradient(135deg, var(--accent-color-deep) 50%, transparent 50%);
  background-position:
    calc(100% - 1.05rem) 50%,
    calc(100% - 0.7rem) 50%;
  background-size: 0.36rem 0.36rem, 0.36rem 0.36rem;
  background-repeat: no-repeat;
  color: var(--dark-gray);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.75);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.otech-lang:hover,
.otech-lang:focus {
  border-color: rgba(85, 122, 189, 0.48);
  box-shadow: 0 0 0 0.18rem rgba(85, 122, 189, 0.12);
}

.otech-dashboard-btn {
  white-space: nowrap;
}

@media (min-width: 992px) {
  .otech-navbar .container {
    width: calc(100% - 0.5rem);
    max-width: 1880px;
    padding-left: 0;
    padding-right: 0.5rem;
  }

  .otech-brand {
    margin-left: -0.75rem;
    margin-right: clamp(2rem, 3.5vw, 4.5rem);
  }

  .otech-navbar .navbar-collapse {
    justify-content: space-between !important;
    min-width: 0;
  }

  .otech-navbar .navbar-nav {
    flex: 0 1 auto;
  }

  .otech-toolbar {
    margin-left: clamp(1rem, 3vw, 4rem);
  }

  .otech-navbar .navbar-nav > .nav-item > .nav-link,
  .otech-navbar .navbar-nav > .nav-item > .dropdown-toggle {
    padding-left: 0.9rem !important;
    padding-right: 0.9rem !important;
  }
}

.otech-page-hero,
.hero-about-section,
.hero-header {
  position: relative;
  overflow: hidden;
  padding: 6rem 0 4.25rem;
  background:
    radial-gradient(circle at right top, rgba(85, 122, 189, 0.14), transparent 24%),
    linear-gradient(135deg, #f7faff 0%, #edf3ff 100%);
}

.hero-about-section::before,
.hero-header::before,
.otech-page-hero::before {
  content: "";
  position: absolute;
  inset: auto -120px -120px auto;
  width: 340px;
  height: 340px;
  background: rgba(85, 122, 189, 0.12);
  border-radius: 50%;
}

.about-title,
.header-title {
  color: var(--primary-black);
}

.header-accent-line {
  background: linear-gradient(90deg, var(--accent-color) 0%, #93b2f0 100%) !important;
  box-shadow: none !important;
}

.contact-form-wrapper,
.resource-card,
.accordion-item,
.gallery-item,
.blog-card,
.testimonial-card,
.service-card,
.value-card,
.excellence-card,
.partner-card {
  border-radius: var(--radius-md) !important;
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow-card);
}

.form-control,
.form-select,
.accordion-button {
  border-radius: 16px;
  border-color: rgba(85, 122, 189, 0.18);
}

.form-control:focus,
.form-select:focus,
.accordion-button:focus {
  border-color: rgba(85, 122, 189, 0.4);
  box-shadow: 0 0 0 0.2rem rgba(85, 122, 189, 0.12);
}

.accordion-button:not(.collapsed) {
  background: var(--accent-color-soft);
  color: var(--accent-color-deep);
}

.otech-footer {
  background:
    radial-gradient(circle at top left, rgba(122, 160, 225, 0.2), transparent 28%),
    linear-gradient(160deg, #112846 0%, #1a3a69 55%, #234980 100%);
  color: rgba(255, 255, 255, 0.88);
}

.otech-footer .footer-title {
  color: #ffffff !important;
}

.otech-footer .footer-title::after {
  background: rgba(255, 255, 255, 0.55);
}

.otech-footer .quick-link,
.otech-footer .contact-text,
.otech-footer .company-info p {
  color: rgba(255, 255, 255, 0.75);
}

.otech-footer .social-link {
  background: rgba(255, 255, 255, 0.12);
}

.otech-footer .social-link:hover {
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 24px rgba(10, 20, 38, 0.22);
}

@media (max-width: 991.98px) {
  .otech-navbar .navbar-collapse {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--surface-border);
    box-shadow: var(--shadow-card);
  }

  .otech-navbar .navbar-nav {
    flex-wrap: wrap;
  }

  .otech-navbar .dropdown-menu {
    position: static;
    min-width: 100%;
    margin-top: 0.45rem;
    box-shadow: none;
  }

  .otech-brand {
    margin-right: 0;
  }

  .otech-toolbar {
    align-items: stretch !important;
    flex-wrap: wrap;
  }

  .otech-search {
    min-width: 100%;
    max-width: none;
  }

  .otech-lang-form,
  .otech-dashboard-btn {
    align-self: flex-start;
  }
}

@media (max-width: 767.98px) {
  .otech-brand-logo {
    width: 54px;
    height: 54px;
  }

  .otech-page-hero,
  .hero-about-section,
  .hero-header {
    padding: 4.75rem 0 3.5rem;
  }

  .otech-brand-mark {
    max-width: 170px;
  }
}