/* ==========================================================================
   IT Department Nigeria (itdepartment.ng)
   Strict Top Universe Palette: White (#FFFFFF / #F3F3F1), Black (#0A0A0A), Dark Green (#0F300F)
   Minimalist Editorial B2B Layout + Full-Screen Hero Slider
   ========================================================================== */

@font-face {
  font-family: 'Open Sauce One';
  src: url('https://cdn.jsdelivr.net/npm/open-sauce-fonts@1.0.0/fonts/OpenSauceOne-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Open Sauce One';
  src: url('https://cdn.jsdelivr.net/npm/open-sauce-fonts@1.0.0/fonts/OpenSauceOne-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Open Sauce One';
  src: url('https://cdn.jsdelivr.net/npm/open-sauce-fonts@1.0.0/fonts/OpenSauceOne-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --green: #0F300F;
  --green-hover: #174217;
  --black: #0A0A0A;
  --white: #FFFFFF;
  --offwhite: #F3F3F1;

  --text-black: #0A0A0A;
  --text-muted: rgba(10, 10, 10, 0.68);
  --text-white: #FFFFFF;
  --text-white-muted: rgba(255, 255, 255, 0.78);

  --border-dark: rgba(15, 48, 15, 0.18);
  --border-light: rgba(255, 255, 255, 0.22);

  --font-sans: 'Open Sauce One', 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --container: 1280px;
  --ease: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--offwhite);
  color: var(--text-black);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--ease);
}

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

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border-radius: 0;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 48px;
  }
}

/* ==========================================================================
   Top Bar & Navbar (White, Black & Dark Green)
   ========================================================================== */
.top-bar {
  background-color: var(--offwhite);
  color: var(--green);
  border-bottom: 1px solid var(--border-dark);
  padding: 10px 24px;
  font-size: 0.84rem;
  text-align: center;
}

.top-bar a {
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--green);
  color: var(--white);
  border-bottom: 1px solid var(--border-light);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-full-logo {
  height: 38px;
  width: auto;
  display: block;
}

.brand-icon {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 32px;
}

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

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-white-muted);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ==========================================================================
   Buttons (Sharp Architectural Top Universe Buttons)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--ease);
  white-space: nowrap;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

.btn-white {
  background-color: var(--white);
  color: var(--green);
  border-color: var(--white);
}

.btn-white:hover {
  background-color: var(--offwhite);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline-white:hover {
  background-color: var(--white);
  color: var(--green);
}

.btn-green {
  background-color: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.btn-green:hover {
  background-color: var(--black);
  border-color: var(--black);
}

.btn-outline-green {
  background-color: transparent;
  color: var(--green);
  border-color: var(--green);
}

.btn-outline-green:hover {
  background-color: var(--green);
  color: var(--white);
}

/* ==========================================================================
   Full-Screen Hero Slider (Exact Top Universe Hero Experience)
   ========================================================================== */
.hero-slider {
  position: relative;
  min-height: calc(100vh - 115px);
  background-color: var(--green);
  color: var(--white);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 80px 0 64px;
}

.hero-slides-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 0.9s ease, transform 6s ease;
}

.hero-slide-bg.active {
  opacity: 1;
  transform: scale(1);
}

/* Deep Dark Green & Black Gradient Overlay like Top Universe */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    90deg,
    rgba(15, 48, 15, 0.94) 0%,
    rgba(15, 48, 15, 0.82) 55%,
    rgba(10, 10, 10, 0.55) 100%
  );
}

.hero-slider-content {
  position: relative;
  z-index: 3;
  width: 100%;
}

.hero-slide-panel {
  display: none;
  max-width: 780px;
  animation: fadeUp 0.55s ease forwards;
}

.hero-slide-panel.active {
  display: block;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border: 1px solid var(--border-light);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 5.2vw, 4.5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  font-weight: 300;
  color: var(--text-white-muted);
  max-width: 620px;
  margin-bottom: 36px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Slider Controls & Progress Bars at Bottom of Hero */
.hero-slider-footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.slider-dots {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.slider-dot {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-white-muted);
  padding: 8px 16px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--ease);
}

.slider-dot.active,
.slider-dot:hover {
  background-color: var(--white);
  color: var(--green);
  border-color: var(--white);
}

.slider-arrows {
  display: flex;
  gap: 8px;
}

.slider-arrow {
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--white);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--ease);
}

.slider-arrow:hover {
  background-color: var(--white);
  color: var(--green);
}

/* ==========================================================================
   Section Scaffolding (Alternating Off-White, White, Dark Green, Black)
   ========================================================================== */
.section-offwhite {
  background-color: var(--offwhite);
  color: var(--text-black);
  padding: 96px 0;
  border-bottom: 1px solid var(--border-dark);
}

.section-white {
  background-color: var(--white);
  color: var(--text-black);
  padding: 96px 0;
  border-bottom: 1px solid var(--border-dark);
}

.section-green {
  background-color: var(--green);
  color: var(--white);
  padding: 96px 0;
  border-bottom: 1px solid var(--border-light);
}

.section-black {
  background-color: var(--black);
  color: var(--white);
  padding: 96px 0;
  border-bottom: 1px solid var(--border-light);
}

.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}

.section-head-split {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 56px;
}

@media (min-width: 900px) {
  .section-head-split {
    flex-direction: row;
    align-items: flex-end;
  }
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border: 1px solid currentColor;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.section-desc {
  font-size: 1.05rem;
  font-weight: 300;
  opacity: 0.8;
  margin-top: 14px;
}

/* ==========================================================================
   3 Core Services with Online Photography (Learn / Build / Launch style)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 960px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--white);
  border: 1px solid var(--border-dark);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-img-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
  background-color: var(--green);
}

.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.04);
  transition: transform 0.6s ease;
}

.service-card:hover .service-img-wrap img {
  transform: scale(1.04);
}

.service-num-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--green);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 4px 10px;
}

.service-body {
  padding: 32px 28px;
}

.service-body h3 {
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--green);
}

.service-body p {
  font-size: 0.94rem;
  font-weight: 300;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.service-bullets {
  border-top: 1px solid var(--border-dark);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.86rem;
}

.service-bullets li::before {
  content: '— ';
  color: var(--green);
  font-weight: 600;
}

/* ==========================================================================
   Decision Makers Grid (CEOs, HR Managers, Admin Managers)
   ========================================================================== */
.leaders-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 1024px) {
  .leaders-split {
    grid-template-columns: 0.45fr 0.55fr;
  }
}

.leaders-photo-box {
  position: relative;
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.leaders-photo-box img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: top center;
}

.leaders-photo-caption {
  background-color: var(--black);
  color: var(--white);
  padding: 20px 24px;
  font-size: 0.88rem;
  border-top: 1px solid var(--border-light);
}

.leaders-cards {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-light);
}

.leader-row {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-light);
}

.leader-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-white-muted);
  display: block;
  margin-bottom: 6px;
}

.leader-row h3 {
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.leader-row p {
  font-size: 0.94rem;
  font-weight: 300;
  color: var(--text-white-muted);
}

/* ==========================================================================
   4-Step Pathway Grid (01, 02, 03, 04)
   ========================================================================== */
.pathway-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--border-dark);
  border-left: 1px solid var(--border-dark);
}

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

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

.pathway-card {
  background-color: var(--white);
  padding: 36px 28px;
  border-right: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.pathway-num {
  font-size: 2.6rem;
  font-weight: 300;
  color: var(--green);
  line-height: 1;
  margin-bottom: 20px;
  display: block;
}

.pathway-card h4 {
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--black);
}

.pathway-card p {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text-muted);
}

/* ==========================================================================
   Simple Pricing Cards + Calculator Banner
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--border-dark);
  border-left: 1px solid var(--border-dark);
}

@media (min-width: 960px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.price-card {
  background-color: var(--offwhite);
  padding: 40px 32px;
  border-right: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.price-card.dark {
  background-color: var(--green);
  color: var(--white);
}

.price-tier {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: block;
}

.price-amount {
  font-size: 2.3rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.price-desc {
  font-size: 0.86rem;
  opacity: 0.78;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid currentColor;
}

.price-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  font-size: 0.88rem;
}

.price-list li::before {
  content: '✓ ';
  font-weight: 600;
}

/* ==========================================================================
   FAQ Accordion + Contact Form
   ========================================================================== */
.faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 960px) {
  .faq-split {
    grid-template-columns: 0.4fr 0.6fr;
  }
}

.faq-list {
  border-top: 1px solid var(--border-dark);
}

.faq-item {
  border-bottom: 1px solid var(--border-dark);
}

.faq-trigger {
  width: 100%;
  background: transparent;
  border: none;
  padding: 22px 0;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--black);
  cursor: pointer;
}

.faq-icon {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  transition: transform 0.25s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-content {
  display: none;
  padding-bottom: 22px;
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-muted);
}

.faq-item.open .faq-content {
  display: block;
}

/* Contact / Pilot Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 960px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-box {
  background-color: var(--white);
  color: var(--black);
  padding: 40px 32px;
  border: 1px solid var(--white);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (min-width: 600px) {
  .form-row-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field label {
  font-size: 0.82rem;
  font-weight: 500;
}

.field input,
.field select,
.field textarea {
  padding: 12px 14px;
  border: 1px solid var(--border-dark);
  background-color: var(--offwhite);
  color: var(--black);
  outline: none;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--green);
}

/* ==========================================================================
   Dedicated Calculator Page Styles (calculator.html)
   ========================================================================== */
.calc-page-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

@media (min-width: 1024px) {
  .calc-page-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.calc-panel {
  background-color: var(--white);
  border: 1px solid var(--border-dark);
  padding: 40px 32px;
}

.quick-pc-btns {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin: 14px 0;
}

.quick-pc-btn {
  background: transparent;
  border: 1px solid var(--border-dark);
  color: var(--black);
  padding: 10px 6px;
  font-size: 0.84rem;
  cursor: pointer;
  transition: var(--ease);
}

.quick-pc-btn.active,
.quick-pc-btn:hover {
  background-color: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.tu-slider {
  width: 100%;
  appearance: none;
  height: 4px;
  background: rgba(15, 48, 15, 0.2);
  outline: none;
  margin: 8px 0 24px;
}

.tu-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--green);
  cursor: pointer;
}

.scope-check-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border: 1px solid var(--border-dark);
  margin-bottom: 10px;
  background-color: var(--offwhite);
  cursor: pointer;
  font-size: 0.9rem;
}

.scope-check-item input {
  accent-color: var(--green);
  width: 17px;
  height: 17px;
  margin-right: 10px;
}

.quote-summary-panel {
  background-color: var(--green);
  color: var(--white);
  padding: 40px 32px;
  border: 1px solid var(--green);
}

.quote-big-number {
  font-size: 3rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin: 12px 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--black);
  color: var(--white);
  padding: 64px 0 36px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-light);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  font-size: 0.9rem;
  color: var(--text-white-muted);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-white-muted);
}