/* ============================================================
   ClearPoint Technology Services — Shared Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=Space+Mono:wght@400;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────── */
:root {
  --bg-base:      #050A14;
  --bg-surface:   #0A1628;
  --bg-card:      rgba(10, 22, 40, 0.75);
  --bg-card-hover:rgba(12, 28, 52, 0.9);
  --accent-blue:  #00A8FF;
  --accent-cyan:  #00E5CC;
  --accent-gold:  #C8A84B;
  --text-primary: #E8F4FD;
  --text-muted:   #6A8FAD;
  --text-dim:     #3A5A7A;
  --border:       rgba(0, 168, 255, 0.15);
  --border-glow:  rgba(0, 168, 255, 0.4);
  --glow-blue:    0 0 20px rgba(0, 168, 255, 0.3);
  --glow-cyan:    0 0 20px rgba(0, 229, 204, 0.3);
  --font-heading: 'Rajdhani', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'Space Mono', monospace;
  --nav-h:        190px;
  --radius:       4px;
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

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

/* ── Typography ────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; font-weight: 600; letter-spacing: 0.05em; }

p { font-size: 1rem; line-height: 1.75; color: #B8CDD8; }

.label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

/* ── Layout ─────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  margin-bottom: 60px;
}

.section-header .label {
  display: block;
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 600px;
  font-size: 1.1rem;
}

/* ── Divider Line ────────────────────────────────────────── */
.accent-line {
  display: block;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  margin: 16px 0 24px;
}

/* ── Navigation ─────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0;
  background: rgba(5, 10, 20, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(5, 10, 20, 0.95);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.6);
}

.nav-inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  line-height: 1;
}

.nav-logo img {
  height: 160px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 8px rgba(0, 168, 255, 0.18));
  transition: filter var(--transition), opacity var(--transition);
}

.nav-logo:hover img {
  filter: drop-shadow(0 0 14px rgba(0, 168, 255, 0.4));
  opacity: 0.92;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: width var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  font-family: var(--font-heading) !important;
  font-size: 1.8rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.1em !important;
  text-transform: uppercase !important;
  color: var(--accent-blue) !important;
  border: 2px solid var(--accent-blue) !important;
  padding: 12px 32px !important;
  border-radius: var(--radius) !important;
  transition: all var(--transition) !important;
}

.nav-cta:hover {
  background: var(--accent-blue) !important;
  color: var(--bg-base) !important;
  box-shadow: var(--glow-blue) !important;
}

.nav-cta::after { display: none !important; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-blue);
  color: var(--bg-base);
}

.btn-primary:hover {
  background: #20B8FF;
  color: var(--bg-base);
  box-shadow: var(--glow-blue), 0 8px 32px rgba(0, 168, 255, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(232, 244, 253, 0.3);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

/* ── Glass Cards ─────────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.glass-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), var(--glow-blue);
}

.glass-card:hover::before {
  opacity: 1;
}

/* ── Section Separators ──────────────────────────────────── */
.section-sep {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
  margin: 0;
}

/* ── Page Header (interior pages) ───────────────────────── */
.page-header {
  padding: 240px 0 80px;
  background: linear-gradient(180deg, rgba(0, 168, 255, 0.05) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(0, 168, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.page-header .label { margin-bottom: 12px; }
.page-header h1 { margin-bottom: 20px; }
.page-header p { font-size: 1.2rem; max-width: 640px; }

/* ── Grid Pattern Background ─────────────────────────────── */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 168, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 168, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ── Badge / Tag ─────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  background: rgba(0, 168, 255, 0.1);
  border: 1px solid rgba(0, 168, 255, 0.25);
  color: var(--accent-blue);
}

.badge-cyan {
  background: rgba(0, 229, 204, 0.1);
  border-color: rgba(0, 229, 204, 0.25);
  color: var(--accent-cyan);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  display: block;
  margin-bottom: 16px;
}

.footer-brand .nav-logo img {
  height: 60px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-col ul a:hover { color: var(--accent-blue); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(0, 168, 255, 0.2); }
  50%       { box-shadow: 0 0 24px rgba(0, 168, 255, 0.6); }
}

@keyframes scan-line {
  0%   { top: -2px; }
  100% { top: 100%; }
}

.animate-up {
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}

.animate-up.d1 { animation-delay: 0.1s; }
.animate-up.d2 { animation-delay: 0.2s; }
.animate-up.d3 { animation-delay: 0.3s; }
.animate-up.d4 { animation-delay: 0.4s; }
.animate-up.d5 { animation-delay: 0.5s; }
.animate-up.d6 { animation-delay: 0.6s; }
.animate-up.d7 { animation-delay: 0.7s; }
.animate-up.d8 { animation-delay: 0.8s; }

/* Intersection observer reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --nav-h: 110px; }

  /* Navbar — stacked two-row on mobile */
  .navbar {
    padding: 0;
    height: var(--nav-h);
    align-items: stretch;
  }

  .nav-inner {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    width: 100%;
  }

  .nav-logo img {
    height: 50px !important;
  }

  .nav-links {
    display: flex !important;
    position: static !important;
    background: transparent !important;
    flex-direction: row !important;
    padding: 0 !important;
    gap: 0 !important;
    border: none !important;
    overflow-x: auto;
    scrollbar-width: none;
    width: 100%;
    justify-content: center;
    flex-wrap: nowrap;
  }

  .nav-links::-webkit-scrollbar { display: none; }

  .nav-links li a {
    font-size: 0.75rem !important;
    letter-spacing: 0.05em !important;
    padding: 2px 10px !important;
    white-space: nowrap;
    color: var(--text-muted) !important;
  }

  .nav-links li a.nav-cta {
    padding: 4px 10px !important;
    font-size: 0.75rem !important;
  }

  .nav-links a::after { display: none !important; }

  .nav-toggle { display: none !important; }

  /* Typography */
  h1 { font-size: clamp(2rem, 8vw, 3rem) !important; white-space: normal !important; }
  h2 { font-size: clamp(1.5rem, 6vw, 2.2rem); }
  h3 { font-size: 1.05rem; }

  /* Sections */
  .section { padding: 56px 0; }
  .container { padding: 0 1.2rem; }

  /* Page header */
  .page-header { padding: 110px 0 56px; }
  .page-header h1 { font-size: clamp(1.8rem, 7vw, 2.6rem); }
  .page-header p { font-size: 1rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .footer-bottom p { font-size: 0.75rem; }
  .footer { padding: 48px 0 24px; }

  /* Section header */
  .section-header { margin-bottom: 36px; }
  .section-header p { font-size: 1rem; }

  /* Buttons */
  .btn { font-size: 0.88rem; padding: 12px 22px; }
}