/* ================================================================
   RiTek Solutions — Design System
   Deep Navy & Electric Blue palette
   ================================================================ */

/* ── Custom Properties ─────────────────────────────────────────── */
:root {
  /* Colors */
  --clr-primary:       #0D2461;
  --clr-primary-light: #1A3A8C;
  --clr-primary-dark:  #081640;
  --clr-accent:        #1A6CF0;
  --clr-accent-light:  #4D8FF5;
  --clr-accent-dark:   #1255C4;
  --clr-cta:           #F97316;
  --clr-cta-hover:     #EA6C0A;
  --clr-k12:           #0891B2;
  --clr-k12-light:     #06B6D4;
  --clr-success:       #10B981;
  --clr-danger:        #EF4444;
  --clr-text:          #1C1C1E;
  --clr-text-muted:    #6B7280;
  --clr-text-light:    #9CA3AF;
  --clr-white:         #FFFFFF;
  --clr-bg:            #FFFFFF;
  --clr-surface:       #F0F4FF;
  --clr-surface-2:     #E0E9FF;
  --clr-border:        #C7D5F5;
  --clr-dark:          #081640;

  /* Typography */
  --font-sans:      'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --text-xs:        0.75rem;
  --text-sm:        0.875rem;
  --text-base:      1rem;
  --text-lg:        1.125rem;
  --text-xl:        1.25rem;
  --text-2xl:       1.5rem;
  --text-3xl:       1.875rem;
  --text-4xl:       2.25rem;
  --text-5xl:       3rem;
  --fw-normal:      400;
  --fw-medium:      500;
  --fw-semibold:    600;
  --fw-bold:        700;
  --fw-extrabold:   800;
  --leading-tight:  1.2;
  --leading-snug:   1.35;
  --leading-normal: 1.6;

  /* Layout */
  --container-max: 1200px;
  --nav-height:    72px;
  --radius-sm:     4px;
  --radius:        8px;
  --radius-lg:     12px;
  --radius-xl:     20px;
  --radius-full:   9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(13,36,97,.07), 0 1px 2px rgba(13,36,97,.05);
  --shadow-md: 0 4px 16px rgba(13,36,97,.10), 0 2px 4px rgba(13,36,97,.06);
  --shadow-lg: 0 10px 40px rgba(13,36,97,.12), 0 4px 8px rgba(13,36,97,.07);
  --shadow-xl: 0 20px 60px rgba(13,36,97,.15);
  --shadow-accent: 0 6px 24px rgba(26,108,240,.30);
  --shadow-cta:    0 6px 20px rgba(249,115,22,.40);

  /* Transitions */
  --t-fast:   0.15s ease;
  --t:        0.25s ease;
  --t-slow:   0.4s ease;
}

/* ── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--clr-text);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img  { max-width: 100%; height: auto; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }
:focus-visible { outline: 2px solid var(--clr-accent); outline-offset: 3px; }

/* ── Layout Utilities ───────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section-pad    { padding: 6rem 0; }
.section-pad-sm { padding: 4rem 0; }

/* ── Typography Helpers ─────────────────────────────────────────── */
.section-eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: .625rem;
}
.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--fw-bold);
  line-height: var(--leading-tight);
  color: var(--clr-primary);
  margin-bottom: 1rem;
}
.section-lead {
  font-size: var(--text-lg);
  color: var(--clr-text-muted);
  line-height: var(--leading-normal);
  max-width: 640px;
}
.text-center { text-align: center; }
.text-center .section-lead { margin-inline: auto; }


/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  line-height: 1;
  transition: all var(--t);
  border: 2px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary { background: var(--clr-cta); color: #fff; border-color: var(--clr-cta); }
.btn-primary:hover {
  background: var(--clr-cta-hover); border-color: var(--clr-cta-hover);
  transform: translateY(-1px); box-shadow: var(--shadow-cta);
}
.btn-secondary {
  background: transparent; color: #fff; border-color: rgba(255,255,255,.45);
}
.btn-secondary:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.btn-outline {
  background: transparent; color: var(--clr-accent); border-color: var(--clr-accent);
}
.btn-outline:hover {
  background: var(--clr-accent); color: #fff;
  transform: translateY(-1px); box-shadow: var(--shadow-accent);
}
.btn-dark { background: var(--clr-primary); color: #fff; border-color: var(--clr-primary); }
.btn-dark:hover { background: var(--clr-primary-light); border-color: var(--clr-primary-light); transform: translateY(-1px); }
.btn-lg { padding: 1rem 2.25rem; font-size: var(--text-lg); border-radius: var(--radius-lg); }
.btn-sm { padding: .5rem 1.25rem; font-size: var(--text-sm); }


/* ================================================================
   NAVIGATION
   ================================================================ */
#site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--t);
}
#site-nav.scrolled { box-shadow: var(--shadow-md); }

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: .125rem;
}
.nav-links > li > a,
.nav-dropdown > button {
  display: flex;
  align-items: center;
  gap: .25rem;
  padding: .375rem .75rem;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text);
  border-radius: var(--radius);
  transition: color var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
.nav-links > li > a:hover,
.nav-dropdown > button:hover { color: var(--clr-accent); background: var(--clr-surface); }
.nav-links > li > a[aria-current="page"] { color: var(--clr-accent); background: var(--clr-surface-2); }

/* CTA button in nav */
.nav-cta {
  background: var(--clr-cta) !important;
  color: #fff !important;
  border-radius: var(--radius-full) !important;
  padding: .375rem 1.125rem !important;
  margin-left: .5rem;
}
.nav-cta:hover {
  background: var(--clr-cta-hover) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-cta) !important;
}

/* Chevron icon */
.chevron { transition: transform var(--t-fast); flex-shrink: 0; }
.nav-dropdown:hover .chevron,
.nav-dropdown:focus-within .chevron { transform: rotate(180deg); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: .375rem;
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu { display: block; }
.nav-dropdown-menu li a {
  display: block;
  padding: .625rem 1rem;
  font-size: var(--text-sm);
  color: var(--clr-text);
  border-radius: var(--radius);
  transition: all var(--t-fast);
}
.nav-dropdown-menu li a:hover { background: var(--clr-surface); color: var(--clr-accent); }
.nav-dropdown-menu .k12-link {
  color: var(--clr-k12) !important;
  border-top: 1px solid var(--clr-border);
  margin-top: .25rem;
  padding-top: .75rem !important;
}
.nav-dropdown-menu .k12-link:hover { background: #EFF9FB !important; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
  border-radius: var(--radius);
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--clr-text); border-radius: 2px; transition: all var(--t);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile nav ── */
@media (max-width: 900px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height); left: 0; right: 0; bottom: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    overflow-y: auto;
    border-top: 1px solid var(--clr-border);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links > li > a,
  .nav-dropdown > button { padding: .75rem 1rem; font-size: var(--text-base); }
  .nav-dropdown-menu {
    display: block !important;
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--clr-surface);
    border-radius: var(--radius);
    margin-top: .25rem;
    padding: .25rem;
  }
  .nav-cta { margin: .75rem 0 0; text-align: center; justify-content: center !important; }
}


/* ================================================================
   HERO — Home Page
   ================================================================ */
/* ================================================================
   HERO — Split Editorial Layout
   ================================================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, #062940 0%, #0C4A6E 50%, #0A7490 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 60% at 10% 60%, rgba(13,148,136,.18) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 80% 15%, rgba(249,115,22,.12) 0%, transparent 60%),
    radial-gradient(ellipse 35% 45% at 60% 85%, rgba(13,148,136,.10) 0%, transparent 60%);
  pointer-events: none;
}
.hero-split {
  position: relative; z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 5rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 4rem;
  align-items: center;
}
/* Left column */
.hero-left { }
.hero-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-accent-light);
  margin-bottom: 1.25rem;
}
.hero-title {
  font-size: clamp(1.875rem, 3.5vw, 3rem);
  font-weight: var(--fw-bold);
  line-height: 1.2;
  color: #fff;
  margin-bottom: 1.25rem;
  letter-spacing: -.02em;
}
.hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,.65);
  line-height: var(--leading-normal);
  max-width: 520px;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .875rem; }

/* Right column — proof panel */
.hero-right { }
.proof-panel {
  background: rgba(255,255,255,.97);
  border-radius: var(--radius-lg);
  padding: 2rem;
  color: var(--clr-primary);
  box-shadow: 0 8px 40px rgba(0,0,0,.3);
}
.proof-header { margin-bottom: 1.5rem; }
.proof-label {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-accent);
}
.proof-stats {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.proof-stat { display: flex; align-items: baseline; gap: .875rem; }
.proof-stat-num {
  font-size: var(--text-3xl);
  font-weight: var(--fw-extrabold);
  color: var(--clr-accent);
  line-height: 1;
  min-width: 4rem;
  flex-shrink: 0;
}
.proof-stat-text {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  line-height: 1.35;
}
.proof-divider {
  height: 1px;
  background: var(--clr-border);
  margin-bottom: 1.5rem;
}
.proof-specialisms { display: flex; flex-wrap: wrap; gap: .5rem; }
.proof-tag {
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  padding: .3rem .7rem;
  border-radius: var(--radius-full);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  white-space: nowrap;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-split {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 3.5rem 1.5rem;
  }
  .hero-right { max-width: 480px; }
}


/* ================================================================
   CLIENT STRIP
   ================================================================ */
.clients-strip {
  background: var(--clr-surface);
  padding: 1.5rem 0;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  overflow: hidden;
}
.clients-strip-inner {
  max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; gap: 1.25rem; margin-bottom: 1rem;
}
.clients-label {
  font-size: var(--text-xs); font-weight: var(--fw-bold);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--clr-text-muted); white-space: nowrap; flex-shrink: 0;
}
.clients-divider { flex: 1; height: 1px; background: var(--clr-border); }
.clients-marquee-wrap {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.clients-marquee {
  display: flex; align-items: center; gap: 0;
  width: max-content;
  animation: marquee 55s linear infinite;
}
.clients-marquee:hover { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.client-name {
  font-size: var(--text-sm); font-weight: var(--fw-semibold);
  color: var(--clr-text-muted); letter-spacing: .02em; white-space: nowrap;
  padding: 0 2rem;
  border-right: 1px solid var(--clr-border);
  transition: color var(--t-fast);
}
.client-name:hover { color: var(--clr-primary); }


/* ================================================================
   SERVICE CARDS
   ================================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.service-card {
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent-light));
  opacity: 0; transition: opacity var(--t);
}
.service-card:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 52px; height: 52px;
  background: var(--clr-surface-2); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-accent); margin-bottom: 1.25rem;
  transition: all var(--t);
}
.service-card:hover .service-icon { background: var(--clr-accent); color: #fff; }
.service-card h3 {
  font-size: var(--text-xl); font-weight: var(--fw-semibold);
  color: var(--clr-primary); margin-bottom: .625rem;
}
.service-card p {
  font-size: var(--text-sm); color: var(--clr-text-muted);
  line-height: var(--leading-normal); margin-bottom: 1.25rem;
}
.service-card-link {
  display: inline-flex; align-items: center; gap: .375rem;
  font-size: var(--text-sm); font-weight: var(--fw-semibold);
  color: var(--clr-accent); transition: gap var(--t-fast);
}
.service-card-link:hover { gap: .625rem; }

/* K12 card variant */
.service-card.k12 { border-top: 3px solid var(--clr-k12); }
.service-card.k12::after { background: var(--clr-k12); }
.service-card.k12 .service-icon { background: #EFF9FB; color: var(--clr-k12); }
.service-card.k12:hover .service-icon { background: var(--clr-k12); color: #fff; }
.service-card.k12 .service-card-link { color: var(--clr-k12); }
.service-card.k12:hover { border-color: transparent; box-shadow: 0 10px 40px rgba(8,145,178,.14); }


/* ================================================================
   CASE STUDY CARDS (home page — compact)
   ================================================================ */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.case-study-card {
  background: #fff; border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: all var(--t);
}
.case-study-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: transparent; }
.case-study-header {
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, #062940 0%, #0C4A6E 50%, #0A7490 100%);
  color: #fff;
}
.case-study-tag {
  display: inline-block;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9); font-size: var(--text-xs);
  font-weight: var(--fw-semibold); letter-spacing: .08em; text-transform: uppercase;
  padding: .2rem .75rem; border-radius: var(--radius-full); margin-bottom: .75rem;
}
.case-study-header h3 { font-size: var(--text-2xl); font-weight: var(--fw-bold); line-height: var(--leading-snug); margin-bottom: .5rem; }
.case-study-header p  { font-size: var(--text-sm); color: rgba(255,255,255,.72); }
.case-study-body      { padding: 1.75rem 2rem; flex: 1; display: flex; flex-direction: column; }
.case-study-points    { flex: 1; margin-bottom: 1.5rem; }
.case-study-points li {
  display: flex; align-items: flex-start; gap: .625rem;
  font-size: var(--text-sm); color: var(--clr-text); line-height: var(--leading-normal); margin-bottom: .625rem;
}
.case-study-points li::before {
  content: ''; width: 6px; height: 6px; min-width: 6px;
  border-radius: 50%; background: var(--clr-accent); margin-top: 7px;
}
.case-study-impact { border-top: 1px solid var(--clr-border); padding-top: 1.25rem; }
.impact-label {
  font-size: var(--text-xs); font-weight: var(--fw-bold);
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--clr-text-muted); margin-bottom: .625rem;
}
.impact-item {
  display: flex; align-items: center; gap: .5rem;
  font-size: var(--text-sm); color: var(--clr-success); font-weight: var(--fw-medium); margin-bottom: .375rem;
}
.impact-item::before { content: '✓'; font-size: 11px; font-weight: var(--fw-bold); }


/* ================================================================
   WHY RITEK — Two-column feature section
   ================================================================ */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.why-features { display: flex; flex-direction: column; gap: 1.5rem; }
.why-feature  { display: flex; gap: 1rem; }
.why-feature-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: var(--clr-surface-2); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; color: var(--clr-accent);
}
.why-feature h4 { font-size: var(--text-base); font-weight: var(--fw-semibold); color: var(--clr-primary); margin-bottom: .25rem; }
.why-feature p  { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: var(--leading-normal); }

.why-visual {
  background: var(--clr-surface);
  border-radius: var(--radius-xl);
  aspect-ratio: 4/3;
  overflow: hidden; position: relative;
  display: flex; align-items: center; justify-content: center;
}
.why-visual img { width: 100%; height: 100%; object-fit: cover; }
.why-visual-inner {
  padding: 2.5rem;
  background: linear-gradient(135deg, #062940 0%, #0C4A6E 50%, #0A7490 100%);
  border-radius: var(--radius-xl);
  color: #fff; width: 100%; height: 100%;
  display: flex; flex-direction: column; justify-content: space-between;
}
.why-visual-inner h3 { font-size: var(--text-3xl); font-weight: var(--fw-extrabold); line-height: 1.2; margin-bottom: 1rem; }
.why-visual-inner p  { font-size: var(--text-base); color: rgba(255,255,255,.75); line-height: var(--leading-normal); }
.why-stat-row { display: flex; gap: 2rem; margin-top: auto; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.12); }
.why-stat-num  { font-size: var(--text-4xl); font-weight: var(--fw-extrabold); color: var(--clr-cta); line-height: 1; }
.why-stat-text { font-size: var(--text-sm); color: rgba(255,255,255,.65); margin-top: .25rem; }


/* ================================================================
   ENGAGEMENT MODEL
   ================================================================ */
.engagement-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2.5rem; }
.engagement-card { border-radius: var(--radius-xl); padding: 2.5rem; position: relative; overflow: hidden; }
.engagement-card.strategic {
  background: linear-gradient(135deg, #062940 0%, #0C4A6E 50%, #0A7490 100%); color: #fff;
}
.engagement-card.project { background: var(--clr-surface); border: 1px solid var(--clr-border); }
.engagement-card h3 { font-size: var(--text-2xl); font-weight: var(--fw-bold); margin-bottom: .75rem; }
.engagement-card.strategic h3 { color: #fff; }
.engagement-card.project   h3 { color: var(--clr-primary); }
.eng-badge {
  display: inline-block;
  font-size: var(--text-xs); font-weight: var(--fw-semibold);
  letter-spacing: .1em; text-transform: uppercase;
  padding: .25rem .75rem; border-radius: var(--radius-full); margin-bottom: 1rem;
}
.engagement-card.strategic .eng-badge { background: rgba(255,255,255,.15); color: rgba(255,255,255,.9); }
.engagement-card.project   .eng-badge { background: var(--clr-surface-2); color: var(--clr-accent); }
.eng-desc { font-size: var(--text-base); margin-bottom: 1.5rem; line-height: var(--leading-normal); }
.engagement-card.strategic .eng-desc { color: rgba(255,255,255,.75); }
.engagement-card.project   .eng-desc { color: var(--clr-text-muted); }
.eng-features { display: flex; flex-direction: column; gap: .75rem; }
.eng-feature  { display: flex; align-items: center; gap: .75rem; font-size: var(--text-sm); }
.engagement-card.strategic .eng-feature { color: rgba(255,255,255,.85); }
.engagement-card.project   .eng-feature { color: var(--clr-text); }
.eng-check {
  width: 20px; height: 20px; min-width: 20px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 10px;
}
.engagement-card.strategic .eng-check { background: rgba(255,255,255,.15); color: #fff; }
.engagement-card.project   .eng-check { background: var(--clr-surface-2); color: var(--clr-accent); }


/* ================================================================
   CTA BANNER
   ================================================================ */
.cta-banner {
  background: linear-gradient(135deg, #062940 0%, #0C4A6E 50%, #0A7490 100%);
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 70% at 25% 50%, rgba(26,108,240,.22) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 75% 50%, rgba(249,115,22,.10) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner .container { position: relative; z-index: 1; text-align: center; }
.cta-banner h2 { font-size: var(--text-4xl); font-weight: var(--fw-extrabold); color: #fff; margin-bottom: 1rem; line-height: var(--leading-tight); }
.cta-banner p  { font-size: var(--text-xl); color: rgba(255,255,255,.75); margin-bottom: 2.5rem; max-width: 560px; margin-inline: auto; }
.cta-banner p + p { margin-top: -.5rem; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }


/* ================================================================
   PAGE HERO (inner pages)
   ================================================================ */
.page-hero {
  background: linear-gradient(135deg, #062940 0%, #0C4A6E 50%, #0A7490 100%);
  padding: 5rem 0 4rem;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 70% 50%, rgba(26,108,240,.14) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-crumb {
  display: flex; align-items: center; gap: .5rem;
  font-size: var(--text-sm); color: rgba(255,255,255,.5); margin-bottom: 1rem;
}
.page-hero-crumb a   { color: rgba(255,255,255,.65); transition: color var(--t-fast); }
.page-hero-crumb a:hover { color: #fff; }
.page-hero-crumb span { color: rgba(255,255,255,.25); }
.page-hero h1 {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: var(--fw-extrabold); color: #fff;
  line-height: var(--leading-tight); margin-bottom: 1rem; max-width: 760px;
}
.page-hero p { font-size: var(--text-lg); color: rgba(255,255,255,.75); max-width: 620px; line-height: var(--leading-normal); }


/* ================================================================
   ABOUT PAGE
   ================================================================ */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.about-intro p { font-size: var(--text-lg); line-height: var(--leading-normal); color: var(--clr-text-muted); margin-bottom: 1.5rem; }
.about-intro-visual {
  background: var(--clr-surface);
  border-radius: var(--radius-xl); overflow: hidden;
}
.about-intro-visual img { width: 100%; aspect-ratio: 4/3; object-fit: contain; }

/* Timeline */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(to bottom, var(--clr-accent) 0%, var(--clr-k12) 100%);
}
.timeline-item { position: relative; padding-bottom: 2rem; }
.timeline-item::before {
  content: ''; position: absolute; left: -2.5rem; top: 5px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--clr-accent); border: 2px solid #fff;
  box-shadow: 0 0 0 3px rgba(26,108,240,.3);
}
.timeline-year {
  font-size: var(--text-xs); font-weight: var(--fw-bold);
  letter-spacing: .1em; text-transform: uppercase; color: var(--clr-accent); margin-bottom: .25rem;
}
.timeline-item h4 { font-size: var(--text-base); font-weight: var(--fw-semibold); color: var(--clr-primary); margin-bottom: .25rem; }
.timeline-item p  { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: var(--leading-normal); }

/* Values */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2.5rem; }
.value-card  { text-align: center; padding: 2rem; background: var(--clr-surface); border-radius: var(--radius-lg); border: 1px solid var(--clr-border); }
.value-icon  {
  width: 60px; height: 60px; background: var(--clr-surface-2); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--clr-accent); margin: 0 auto 1rem;
}
.value-card h3 { font-size: var(--text-lg); font-weight: var(--fw-semibold); color: var(--clr-primary); margin-bottom: .5rem; }
.value-card p  { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: var(--leading-normal); }

/* Leadership */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin-top: 2.5rem; }
.team-card  { background: #fff; border: 1px solid var(--clr-border); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--t); }
.team-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.team-card-img  { height: 220px; background: var(--clr-surface-2); overflow: hidden; }
.team-card-img img { width: 100%; height: 100%; object-fit: cover; }
.team-card-info { padding: 1.25rem 1.5rem; }
.team-card-info h4 { font-size: var(--text-base); font-weight: var(--fw-semibold); color: var(--clr-primary); margin-bottom: .25rem; }
.team-card-info p  { font-size: var(--text-sm); color: var(--clr-text-muted); }
.team-card-info .contact-link { font-size: var(--text-sm); color: var(--clr-accent); margin-top: .5rem; display: block; }
.team-card-info .contact-link:hover { text-decoration: underline; }

/* Certifications */
.cert-badges { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.5rem; }
.cert-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: .625rem 1rem;
  font-size: var(--text-sm); font-weight: var(--fw-semibold); color: var(--clr-primary);
}
.cert-badge svg { color: var(--clr-accent); }


/* ================================================================
   SERVICES PAGE
   ================================================================ */
.capability-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
  padding: 3.5rem 0; border-bottom: 1px solid var(--clr-border);
}
.capability-block:last-child { border-bottom: none; }
.capability-block.reverse { direction: rtl; }
.capability-block.reverse > * { direction: ltr; }

/* AI sub-grid inside capability block */
.cap-ai-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
  margin-top: 1.75rem;
}
.cap-ai-item {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 1.25rem 1.375rem;
  transition: border-color var(--t);
}
.cap-ai-item:hover { border-color: var(--clr-accent); }
.cap-ai-item h4 {
  font-size: var(--text-sm); font-weight: var(--fw-semibold);
  color: var(--clr-primary); margin-bottom: .375rem;
}
.cap-ai-item p { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: var(--leading-normal); }

.capability-visual {
  background: var(--clr-surface); border-radius: var(--radius-xl);
  aspect-ratio: 16/10; overflow: hidden; position: relative;
  display: flex; align-items: center; justify-content: center;
}
.capability-visual img { width: 100%; height: 100%; object-fit: cover; }

/* AI block — top-align and sticky image */
.capability-block--ai { align-items: start; }
.capability-visual--sticky {
  position: sticky;
  top: calc(var(--nav-height) + 1.5rem);
  aspect-ratio: 4/3;
}
.cap-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem; width: 100%; height: 100%; padding: 2rem;
  background: linear-gradient(135deg, var(--clr-surface) 0%, var(--clr-surface-2) 100%);
}
.cap-placeholder-icon { color: var(--clr-accent); opacity: .3; }
.cap-placeholder-label { font-size: var(--text-sm); color: var(--clr-text-muted); text-align: center; }

.capability-content .section-eyebrow { margin-bottom: .5rem; }
.capability-content h2 {
  font-size: var(--text-3xl); font-weight: var(--fw-bold); color: var(--clr-primary);
  line-height: var(--leading-tight); margin-bottom: 1rem;
}
.capability-content p { color: var(--clr-text-muted); line-height: var(--leading-normal); margin-bottom: 1.5rem; }
.capability-list { margin-bottom: 1.5rem; display: flex; flex-direction: column; gap: .75rem; }
.capability-list li {
  display: flex; align-items: flex-start; gap: .625rem; font-size: var(--text-sm); color: var(--clr-text);
}
.cap-check {
  width: 20px; height: 20px; min-width: 20px; border-radius: 50%;
  background: var(--clr-surface-2); color: var(--clr-accent);
  display: flex; align-items: center; justify-content: center; font-size: 10px; margin-top: 2px;
}

/* Tech stack */
.tech-pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-top: 2.5rem; }
.tech-pillar  { background: #fff; border: 1px solid var(--clr-border); border-radius: var(--radius-lg); padding: 1.5rem; }
.tech-pillar-title {
  font-size: var(--text-sm); font-weight: var(--fw-bold); color: var(--clr-primary);
  padding-bottom: .75rem; margin-bottom: 1rem; border-bottom: 2px solid var(--clr-accent);
}
.tech-tags { display: flex; flex-wrap: wrap; gap: .375rem; }
.tech-tag {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  color: var(--clr-text-muted); font-size: 11px; font-weight: var(--fw-medium);
  padding: 3px 9px; border-radius: var(--radius-full);
}


/* ================================================================
   K12 EXCELLENCE PAGE
   ================================================================ */
.k12-hero { background: linear-gradient(135deg, #062940 0%, #0C4A6E 50%, #0A7490 100%); }
.k12-intro-grid img,
.k12-approach-grid img { width: 100%; height: auto; display: block; }
.k12-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(8,145,178,.15); border: 1px solid rgba(8,145,178,.3);
  color: #67E8F9; font-size: var(--text-sm); font-weight: var(--fw-medium);
  padding: .375rem 1rem; border-radius: var(--radius-full); margin-bottom: 1rem;
}
.k12-products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2.5rem; }
.k12-product-card {
  background: #fff; border: 1px solid #BAE6FD; border-radius: var(--radius-lg); padding: 1.5rem;
  transition: all var(--t);
}
.k12-product-card:hover { border-color: var(--clr-k12); box-shadow: 0 8px 24px rgba(8,145,178,.12); transform: translateY(-2px); }
.k12-product-icon {
  width: 44px; height: 44px; background: #EFF9FB; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; color: var(--clr-k12); margin-bottom: 1rem;
}
.k12-product-card h3 { font-size: var(--text-base); font-weight: var(--fw-semibold); color: var(--clr-primary); margin-bottom: .5rem; }
.k12-product-card p  { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: var(--leading-normal); }

.k12-districts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; margin-top: 2rem; }
.k12-district-card  {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg); padding: 1.5rem;
}
.k12-district-card h4 { font-size: var(--text-base); font-weight: var(--fw-semibold); color: var(--clr-primary); margin-bottom: .5rem; }
.k12-district-card p  { font-size: var(--text-sm); color: var(--clr-text-muted); }

.k12-cta-banner {
  background: linear-gradient(135deg, #062940 0%, #0C4A6E 100%);
}
.k12-cta-banner .btn-primary { background: var(--clr-k12); border-color: var(--clr-k12); }
.k12-cta-banner .btn-primary:hover { background: #0773A0; border-color: #0773A0; box-shadow: 0 6px 20px rgba(8,145,178,.4); }


/* ================================================================
   CASE STUDIES — Full Page
   ================================================================ */
.cs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.cs-card {
  background: #fff; border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.cs-card-header {
  padding: 2rem; color: #fff;
  background: linear-gradient(135deg, #062940 0%, #0C4A6E 50%, #0A7490 100%);
}
.cs-tag {
  display: inline-block;
  background: rgba(26,108,240,.3); border: 1px solid rgba(26,108,240,.4);
  color: var(--clr-accent-light); font-size: var(--text-xs); font-weight: var(--fw-semibold);
  letter-spacing: .08em; text-transform: uppercase;
  padding: .2rem .75rem; border-radius: var(--radius-full); margin-bottom: .75rem;
}
.cs-card-header h2 { font-size: var(--text-2xl); font-weight: var(--fw-bold); margin-bottom: .625rem; line-height: var(--leading-snug); }
.cs-card-header p  { font-size: var(--text-sm); color: rgba(255,255,255,.72); line-height: var(--leading-normal); }
.cs-card-body { padding: 2rem; flex: 1; display: flex; flex-direction: column; }
.cs-section-label { font-size: var(--text-xs); font-weight: var(--fw-bold); letter-spacing: .1em; text-transform: uppercase; color: var(--clr-text-muted); margin-bottom: .875rem; }
.cs-bullets { display: flex; flex-direction: column; gap: .625rem; margin-bottom: 1.75rem; }
.cs-bullets li { display: flex; align-items: flex-start; gap: .625rem; font-size: var(--text-sm); color: var(--clr-text); line-height: var(--leading-normal); }
.cs-dot {
  width: 20px; height: 20px; min-width: 20px; border-radius: 50%;
  background: var(--clr-surface-2); color: var(--clr-accent);
  display: flex; align-items: center; justify-content: center; font-size: 10px; margin-top: 2px;
}
.cs-impact-bar {
  border-top: 1px solid var(--clr-border); padding-top: 1.5rem; margin-top: auto;
}
.cs-impact-label { font-size: var(--text-xs); font-weight: var(--fw-bold); letter-spacing: .1em; text-transform: uppercase; color: var(--clr-success); margin-bottom: .625rem; }
.cs-impact-items { display: flex; flex-direction: column; gap: .375rem; }
.cs-impact-item  { display: flex; align-items: center; gap: .5rem; font-size: var(--text-sm); color: var(--clr-text); }
.cs-impact-item::before { content: '→'; color: var(--clr-success); font-weight: var(--fw-bold); }


/* ================================================================
   INSIGHTS — Coming Soon
   ================================================================ */
.coming-soon-wrap {
  min-height: 64vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; padding: 6rem 1.5rem;
}
.coming-soon-icon {
  width: 80px; height: 80px; background: var(--clr-surface-2); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--clr-accent); margin: 0 auto 1.75rem;
}
.coming-soon-wrap h1 { font-size: var(--text-4xl); font-weight: var(--fw-extrabold); color: var(--clr-primary); margin-bottom: 1rem; }
.coming-soon-wrap p  { font-size: var(--text-lg); color: var(--clr-text-muted); max-width: 460px; margin: 0 auto 2rem; }


/* ================================================================
   INSIGHTS PAGE
   ================================================================ */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.insight-card {
  display: flex;
  flex-direction: column;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.insight-card:hover { border-color: var(--clr-accent); box-shadow: 0 8px 28px rgba(26,108,240,.1); }
.insight-card-icon {
  width: 56px; height: 56px;
  background: var(--clr-surface-2); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-accent); margin-bottom: 1.25rem; flex-shrink: 0;
}
.insight-card-body { flex: 1; }
.insight-type {
  display: inline-block;
  font-size: var(--text-xs); font-weight: var(--fw-bold);
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--clr-k12); margin-bottom: .5rem;
}
.insight-card h3 { font-size: var(--text-lg); font-weight: var(--fw-semibold); color: var(--clr-primary); margin-bottom: .75rem; }
.insight-card p  { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: var(--leading-normal); margin-bottom: 1.5rem; }
.insight-download-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: var(--text-sm); font-weight: var(--fw-semibold);
  color: var(--clr-accent); text-decoration: none;
  border: 1.5px solid var(--clr-accent); border-radius: var(--radius-md);
  padding: .5rem 1rem; transition: background .2s ease, color .2s ease;
  margin-top: auto; align-self: flex-start;
}
.insight-download-btn:hover { background: var(--clr-accent); color: #fff; }

/* ================================================================
   CONTACT PAGE
   ================================================================ */
.contact-layout { display: grid; grid-template-columns: 1fr 1.7fr; gap: 4rem; align-items: start; }
.contact-info h2 { font-size: var(--text-3xl); font-weight: var(--fw-bold); color: var(--clr-primary); margin-bottom: 1rem; }
.contact-info > p { color: var(--clr-text-muted); line-height: var(--leading-normal); margin-bottom: 2rem; }
.contact-details { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-detail  { display: flex; gap: 1rem; }
.contact-detail-icon {
  width: 40px; height: 40px; min-width: 40px;
  background: var(--clr-surface-2); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; color: var(--clr-accent);
}
.contact-detail h4 { font-size: var(--text-sm); font-weight: var(--fw-semibold); color: var(--clr-primary); margin-bottom: .25rem; }
.contact-detail p, .contact-detail a { font-size: var(--text-sm); color: var(--clr-text-muted); }
.contact-detail a:hover { color: var(--clr-accent); }

.contact-form-box {
  background: #fff; border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl); padding: 2.5rem; box-shadow: var(--shadow-sm);
}
.contact-form-box h3 { font-size: var(--text-2xl); font-weight: var(--fw-bold); color: var(--clr-primary); margin-bottom: .25rem; }
.contact-form-box .form-sub { font-size: var(--text-sm); color: var(--clr-text-muted); margin-bottom: 2rem; }
.form-row    { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group  { margin-bottom: 1.25rem; }
.form-label  { display: block; font-size: var(--text-sm); font-weight: var(--fw-medium); color: var(--clr-text); margin-bottom: .5rem; }
.form-label .req { color: var(--clr-cta); margin-left: 2px; }
.form-control {
  display: block; width: 100%;
  padding: .6rem .875rem; font-size: var(--text-sm);
  color: var(--clr-text); background: #fff;
  border: 1px solid var(--clr-border); border-radius: var(--radius);
  outline: none; transition: all var(--t-fast);
}
.form-control:focus { border-color: var(--clr-accent); box-shadow: 0 0 0 3px rgba(26,108,240,.1); }
.form-control::placeholder { color: var(--clr-text-light); }
textarea.form-control { resize: vertical; min-height: 110px; }

/* The iframe that embeds ContactUsForm.aspx */
.contact-form-frame { width: 100%; border: none; border-radius: var(--radius-lg); min-height: 480px; }

/* ================================================================
   404
   ================================================================ */
.not-found-wrap {
  min-height: 80vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; padding: 5rem 1.5rem;
}
.not-found-code {
  font-size: clamp(6rem, 15vw, 10rem); font-weight: var(--fw-extrabold);
  color: var(--clr-surface-2); line-height: 1; margin-bottom: 1rem; letter-spacing: -.05em;
}
.not-found-wrap h2 { font-size: var(--text-3xl); font-weight: var(--fw-bold); color: var(--clr-primary); margin-bottom: .75rem; }
.not-found-wrap p  { font-size: var(--text-lg); color: var(--clr-text-muted); max-width: 400px; margin: 0 auto 2rem; }


/* ================================================================
   SCROLL REVEAL
   ================================================================ */
.fade-up { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }
.delay-4 { transition-delay: .4s; }
.delay-5 { transition-delay: .5s; }


/* ================================================================
   FOOTER
   ================================================================ */
.site-footer { background: var(--clr-dark); color: rgba(255,255,255,.68); }
.footer-main {
  padding: 4rem 0 3rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
}
.footer-logo-wrap {
  display: inline-block;
  height: 40px;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1rem;
}
.footer-logo-wrap img { height: 40px; width: auto; display: block; }
.footer-brand p     { font-size: var(--text-sm); line-height: var(--leading-normal); max-width: 280px; margin-bottom: 1.25rem; }
.footer-social      { display: flex; gap: .75rem; }
.footer-social a {
  width: 36px; height: 36px; border-radius: var(--radius);
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.58);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--t-fast);
}
.footer-social a:hover { background: var(--clr-accent); color: #fff; }
.footer-col h4 {
  font-size: var(--text-xs); font-weight: var(--fw-bold);
  color: #fff; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.25rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: .75rem; }
.footer-col ul li a { font-size: var(--text-sm); color: rgba(255,255,255,.58); transition: color var(--t-fast); }
.footer-col ul li a:hover { color: #fff; }
.k12-footer-link       { color: var(--clr-k12-light) !important; }
.k12-footer-link:hover { color: #67E8F9 !important; }

.footer-bottom {
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255,255,255,.07);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .875rem;
}
.footer-bottom p { font-size: var(--text-xs); color: rgba(255,255,255,.38); }
.footer-bottom-links { display: flex; gap: 1.25rem; }
.footer-bottom-links a { font-size: var(--text-xs); color: rgba(255,255,255,.38); transition: color var(--t-fast); }
.footer-bottom-links a:hover { color: rgba(255,255,255,.7); }

/* ================================================================
   UTILITY — background helpers
   ================================================================ */
.bg-surface   { background: var(--clr-surface); }
.bg-surface-2 { background: var(--clr-surface-2); }
.bg-dark      { background: var(--clr-dark); }


/* ================================================================
   AI POSITIONING BANNER
   ================================================================ */
.ai-position-banner {
  background: linear-gradient(135deg, #062940 0%, #0C4A6E 50%, #0A7490 100%);
  border-top: 1px solid rgba(26,108,240,.2);
  border-bottom: 1px solid rgba(26,108,240,.2);
}
.ai-position-inner {
  display: flex; align-items: center; gap: 2rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(26,108,240,.2);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2.5rem;
}
.ai-position-icon {
  flex-shrink: 0; width: 64px; height: 64px; border-radius: var(--radius-lg);
  background: rgba(26,108,240,.15); border: 1px solid rgba(26,108,240,.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-accent-light);
}
.ai-position-text { flex: 1; }
.ai-position-text h2 {
  font-size: var(--text-2xl); font-weight: var(--fw-bold);
  color: #fff; margin-bottom: .625rem; line-height: var(--leading-snug);
}
.ai-position-text p { font-size: var(--text-base); color: rgba(255,255,255,.75); line-height: var(--leading-normal); }
.ai-position-cta { flex-shrink: 0; white-space: nowrap; }


/* ================================================================
   AI SERVICES GRID
   ================================================================ */
.ai-services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}
.ai-service-card {
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex; flex-direction: column; gap: 1rem;
  position: relative;
  transition: box-shadow var(--t), border-color var(--t), transform var(--t);
}
.ai-service-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-accent);
  transform: translateY(-3px);
}
.ai-service-icon {
  width: 52px; height: 52px; border-radius: var(--radius);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
}
.ai-service-body { flex: 1; }
.ai-service-body h3 {
  font-size: var(--text-lg); font-weight: var(--fw-bold);
  color: var(--clr-primary); margin-bottom: .625rem; line-height: var(--leading-snug);
}
.ai-service-body p {
  font-size: var(--text-sm); color: var(--clr-text-muted);
  line-height: var(--leading-normal); margin-bottom: 1rem;
}
.ai-service-list {
  display: flex; flex-direction: column; gap: .4rem; list-style: none; padding: 0;
}
.ai-service-list li {
  font-size: var(--text-sm); color: var(--clr-text);
  padding-left: 1.1rem; position: relative; line-height: var(--leading-snug);
}
.ai-service-list li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--clr-accent); font-weight: var(--fw-bold); font-size: .75rem; top: 1px;
}
.ai-service-tag {
  display: inline-block; align-self: flex-start;
  font-size: var(--text-xs); font-weight: var(--fw-semibold); letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--clr-surface-2); color: var(--clr-text-muted);
  padding: .25rem .75rem; border-radius: var(--radius-full);
}
.ai-tag-hot {
  background: rgba(249,115,22,.1); color: var(--clr-cta);
  border: 1px solid rgba(249,115,22,.2);
}
.ai-services-cta {
  display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;
  margin-top: 3rem;
}


/* ================================================================
   AI LONG-TERM POSITIONING SECTION
   ================================================================ */
.ai-longterm-grid {
  display: grid; grid-template-columns: 1fr 420px; gap: 4rem; align-items: start;
}
.longterm-pillars { display: flex; flex-direction: column; gap: 1.5rem; }
.longterm-pillar {
  display: flex; gap: 1.25rem; align-items: flex-start;
}
.longterm-pillar-num {
  font-size: var(--text-xs); font-weight: var(--fw-extrabold); letter-spacing: .08em;
  color: var(--clr-accent); background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: .3rem .625rem;
  flex-shrink: 0; margin-top: 2px;
}
.longterm-pillar h4 {
  font-size: var(--text-base); font-weight: var(--fw-semibold);
  color: var(--clr-primary); margin-bottom: .25rem;
}
.longterm-pillar p { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: var(--leading-normal); }

/* AI Enablement Model card */
.ai-longterm-card {
  background: var(--clr-primary);
  border: 1px solid rgba(26,108,240,.25);
  border-radius: var(--radius-xl);
  padding: 2rem;
  position: sticky; top: 2rem;
}
.altc-header { margin-bottom: 1.75rem; }
.altc-label {
  font-size: var(--text-xs); font-weight: var(--fw-bold); letter-spacing: .12em;
  text-transform: uppercase; color: var(--clr-accent-light);
}
.altc-phases { display: flex; flex-direction: column; }
.altc-phase {
  display: flex; gap: 1rem; align-items: flex-start;
}
.altc-phase-dot {
  width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; margin-top: 3px;
  border: 2px solid currentColor;
}
.phase-1 { color: var(--clr-accent-light); background: rgba(77,143,245,.3); }
.phase-2 { color: #60A5FA; background: rgba(96,165,250,.3); }
.phase-3 { color: #34D399; background: rgba(52,211,153,.3); }
.phase-4 { color: var(--clr-cta); background: rgba(249,115,22,.3); }
.altc-phase-title { font-size: var(--text-sm); font-weight: var(--fw-semibold); color: #fff; margin-bottom: .2rem; }
.altc-phase-desc  { font-size: var(--text-xs); color: rgba(255,255,255,.6); line-height: var(--leading-normal); }
.altc-connector {
  width: 2px; height: 28px; background: rgba(255,255,255,.12);
  margin: .25rem 0 .25rem 6px;
}


/* ================================================================
   RESPONSIVE BREAKPOINTS
   ================================================================ */
@media (max-width: 1200px) {
  .ai-services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1100px) {
  .tech-pillars { grid-template-columns: repeat(2, 1fr); }
  .ai-longterm-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .ai-longterm-card { position: static; }
}

@media (max-width: 1024px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
  .capability-block { gap: 3rem; }
  .ai-position-inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .ai-position-cta { width: 100%; text-align: center; justify-content: center; }
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .capability-block { grid-template-columns: 1fr; direction: ltr !important; gap: 2rem; }
  .cap-ai-grid { grid-template-columns: 1fr; }
  .capability-visual--sticky { position: static; aspect-ratio: 16/10; }
  .about-intro { grid-template-columns: 1fr; gap: 2rem; }
  .contact-layout { grid-template-columns: 1fr; gap: 2rem; }
  .cs-grid { grid-template-columns: 1fr; }
  .engagement-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .k12-products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section-pad    { padding: 4rem 0; }
  .section-pad-sm { padding: 3rem 0; }
  .section-title  { font-size: var(--text-3xl); }
  .hero-stats     { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .hero-content   { padding: 4rem 1rem 3rem; }
  .case-studies-grid { grid-template-columns: 1fr; }
  .cta-banner h2  { font-size: var(--text-3xl); }
  .cta-banner p   { font-size: var(--text-base); }
  .footer-main    { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom  { flex-direction: column; align-items: flex-start; }
  .tech-pillars   { grid-template-columns: 1fr; }
  .values-grid    { grid-template-columns: 1fr; }
  .k12-products-grid { grid-template-columns: 1fr; }
  .form-row       { grid-template-columns: 1fr; }
  .ai-services-grid { grid-template-columns: 1fr; }
  .ai-services-cta { flex-direction: column; align-items: center; }
  .ai-position-text h2 { font-size: var(--text-xl); }
}

@media (max-width: 600px) {
  .container { padding: 0 1rem; }
  .services-grid { grid-template-columns: 1fr; }
  .clients-strip-inner { gap: .75rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-actions  { flex-direction: column; align-items: center; }
}