/* ============================================================
   OCInfosys, LLC — Master Stylesheet
   Version: 1.0
   ============================================================ */

/* ----- CSS Custom Properties (Design Tokens) ----- */
:root {
  --color-primary:     #0056b3;
  --color-primary-dark:#003d80;
  --color-primary-light:#e8f0fe;
  --color-accent:      #ff9900;
  --color-accent-dark: #e68a00;
  --color-text:        #333333;
  --color-text-light:  #666666;
  --color-bg:          #ffffff;
  --color-bg-alt:      #f7f8fa;
  --color-bg-dark:     #1a1a2e;
  --color-border:      #e0e0e0;
  --color-success:     #28a745;
  --color-white:       #ffffff;

  --font-family:       'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-base:    16px;
  --line-height:       1.7;

  --max-width:         1200px;
  --header-height:     72px;
  --radius:            8px;
  --radius-lg:         12px;
  --shadow-sm:         0 1px 3px rgba(0,0,0,.08);
  --shadow-md:         0 4px 12px rgba(0,0,0,.1);
  --shadow-lg:         0 8px 30px rgba(0,0,0,.12);
  --transition:        .3s ease;
}

/* ----- Reset & Base ----- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  line-height: var(--line-height);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }

h1,h2,h3,h4,h5,h6 { line-height: 1.3; color: var(--color-text); font-weight: 700; }
h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.35rem; }
p  { margin-bottom: 1rem; }

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

/* ----- Utility Classes ----- */
.text-center  { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent  { color: var(--color-accent); }
.text-light   { color: var(--color-text-light); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-align: center;
  line-height: 1.4;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
}
.btn-secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-primary);
}
.btn-group { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -.02em;
}
.site-logo img { height: 40px; width: auto; }
.site-logo span { white-space: nowrap; }

/* Desktop Nav */
.main-nav { display: flex; align-items: center; }
.nav-list {
  display: flex;
  list-style: none;
  gap: 6px;
}
.nav-list a {
  display: block;
  padding: 8px 16px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.nav-list a:hover,
.nav-list a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* CTA in header */
.nav-cta {
  margin-left: 12px;
  padding: 10px 22px;
  font-size: .85rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 6px 0;
  transition: var(--transition);
  border-radius: 2px;
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================================================
   HERO SECTIONS
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 100px 24px 110px;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,.04);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,.03);
  border-radius: 50%;
}
.hero h1 {
  color: var(--color-white);
  font-size: 3rem;
  max-width: 850px;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}
.hero p {
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto 36px;
  opacity: .92;
  position: relative;
  z-index: 1;
}
.hero .btn-group { justify-content: center; position: relative; z-index: 1; }

/* Page-level hero (shorter) */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 64px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero h1 { color: var(--color-white); font-size: 2.5rem; margin-bottom: 14px; }
.page-hero p  { max-width: 750px; margin: 0 auto; font-size: 1.1rem; opacity: .92; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title { text-align: center; margin-bottom: 50px; color: var(--color-primary); }
.section-subtitle { text-align: center; max-width: 700px; margin: -36px auto 50px; color: var(--color-text-light); }

/* ============================================================
   CARDS GRID
   ============================================================ */
.card-grid {
  display: grid;
  gap: 28px;
}
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.card h3 { color: var(--color-primary); margin-bottom: 10px; }

/* ============================================================
   SPLIT CONTENT (text + image alternating)
   ============================================================ */
.split {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 60px 0;
}
.split.reverse { flex-direction: row-reverse; }
.split-text { flex: 1; min-width: 0; }
.split-text h2 { color: var(--color-primary); margin-bottom: 16px; }
.split-text ul { padding-left: 20px; margin-bottom: 20px; }
.split-text li { margin-bottom: 8px; }
.split-media {
  flex: 1;
  min-width: 0;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  box-shadow: var(--shadow-sm);
}
.split-media img { border-radius: var(--radius); }

/* ============================================================
   STEPS / PROCESS
   ============================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 24px 28px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.step-card::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .95rem;
}
.step-card h4 { color: var(--color-primary); margin-bottom: 8px; }

/* ============================================================
   JUMP NAV (POS page)
   ============================================================ */
.jump-nav {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  position: sticky;
  top: var(--header-height);
  z-index: 999;
}
.jump-nav .container { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.jump-nav a {
  padding: 10px 22px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--color-primary);
  border-radius: 50px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition: all var(--transition);
}
.jump-nav a:hover,
.jump-nav a.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ============================================================
   POS FEATURE LIST
   ============================================================ */
.pos-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 16px;
}
.pos-features span {
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 500;
}

/* ============================================================
   TABS (Contact Page)
   ============================================================ */
.tabs { display: flex; border-bottom: 2px solid var(--color-border); margin-bottom: 28px; }
.tab-btn {
  background: none;
  border: none;
  padding: 14px 24px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-light);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}
.tab-btn:hover { color: var(--color-primary); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: .9rem;
  color: var(--color-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--color-white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,86,179,.12);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.btn-submit {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}
.btn-submit:hover { background: var(--color-primary-dark); }

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success.show { display: block; animation: fadeIn .4s ease; }
.form-success .checkmark {
  width: 60px;
  height: 60px;
  background: var(--color-success);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 16px;
}

/* ============================================================
   ACCORDION (FAQ)
   ============================================================ */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.accordion-item:hover { box-shadow: var(--shadow-sm); }
.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 22px;
  background: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  transition: background var(--transition);
}
.accordion-trigger:hover { background: var(--color-bg-alt); }
.accordion-trigger .icon {
  font-size: 1.3rem;
  transition: transform var(--transition);
  color: var(--color-primary);
}
.accordion-item.open .accordion-trigger .icon { transform: rotate(45deg); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.accordion-panel-inner { padding: 0 22px 20px; color: var(--color-text-light); }

/* ============================================================
   CONTACT LAYOUT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.contact-sidebar {
  background: var(--color-white);
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.contact-sidebar h3 { color: var(--color-primary); margin-top: 24px; margin-bottom: 6px; font-size: 1rem; }
.contact-sidebar h3:first-child { margin-top: 0; }
.contact-sidebar p { font-size: .9rem; color: var(--color-text-light); margin-bottom: 0; }
.contact-sidebar hr { border: 0; border-top: 1px solid var(--color-border); margin: 20px 0; }

.contact-form-panel {
  background: var(--color-white);
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

/* ============================================================
   SUPPORT CHANNEL CARDS
   ============================================================ */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: -50px;
  position: relative;
  z-index: 1;
}
.channel-card {
  background: var(--color-white);
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  border-top: 4px solid var(--color-primary);
}
.channel-card h3 { color: var(--color-primary); margin-bottom: 12px; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  padding: 60px 24px;
}
.cta-banner h2 { color: var(--color-white); margin-bottom: 14px; }
.cta-banner p  { opacity: .92; max-width: 600px; margin: 0 auto 28px; }
.cta-banner .btn-group { justify-content: center; }

/* ============================================================
   INFO BOXES (Support)
   ============================================================ */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-box {
  background: var(--color-white);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.info-box h4 { color: var(--color-primary); margin-bottom: 8px; }
.info-box p  { font-size: .9rem; color: var(--color-text-light); }

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-wrap {
  max-width: 800px;
  margin: 60px auto;
  padding: 48px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.legal-wrap h1 { color: var(--color-primary); text-align: center; border-bottom: 2px solid var(--color-border); padding-bottom: 20px; margin-bottom: 32px; }
.legal-wrap h2 { color: var(--color-primary); margin-top: 32px; margin-bottom: 12px; font-size: 1.25rem; }
.legal-wrap ul { padding-left: 24px; margin-bottom: 16px; }
.legal-wrap li { margin-bottom: 10px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,.8);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand p { font-size: .9rem; margin-top: 12px; opacity: .8; max-width: 320px; }
.footer-col h4 {
  color: var(--color-white);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,.7); font-size: .9rem; }
.footer-col a:hover { color: var(--color-accent); }

.footer-bottom {
  margin-top: 40px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
  opacity: .7;
}
.footer-bottom a { color: rgba(255,255,255,.7); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hero { padding: 60px 20px 70px; }
  .hero h1 { font-size: 2.2rem; }
  .page-hero { padding: 48px 20px; }
  .page-hero h1 { font-size: 1.8rem; }
  .section { padding: 50px 0; }

  /* Nav */
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: 20px 24px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    z-index: 999;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-list a { padding: 12px 16px; font-size: 1rem; }
  .nav-cta { margin-left: 0; margin-top: 12px; width: 100%; }
  .mobile-toggle { display: block; }

  /* Layouts */
  .split { flex-direction: column; gap: 30px; }
  .split.reverse { flex-direction: column; }
  .card-grid.cols-2,
  .card-grid.cols-3,
  .card-grid.cols-4 { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .channel-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .tabs { overflow-x: auto; }
  .tab-btn { white-space: nowrap; padding: 12px 16px; font-size: .85rem; }

  .legal-wrap { margin: 30px 16px; padding: 28px; }
}

@media (max-width: 480px) {
  .btn-group { flex-direction: column; }
  .btn-group .btn { width: 100%; }
  .hero h1 { font-size: 1.7rem; }
}