/* ═══════════════════════════════════════════════════════════
   ADRASH ANALYTICA - MAIN STYLESHEET
   Brand Colors: Blue (#0B4F8C), Orange (#F47920), Warm Cream
   ═══════════════════════════════════════════════════════════ */

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

:root {
  /* Brand Colors */
  --brand-blue:    #0B4F8C;
  --brand-orange:  #F47920;
  --brand-gray:    #6B7280;
  
  /* Supporting Palette */
  --cream:         #F5F0EB;
  --warm-white:    #FAF8F5;
  --ink:           #1E1A16;
  --ink-soft:      #5A5249;
  --gold:          #C49A6C;
  --gold-light:    #E4C9A0;
  --sage:          #7A8C6E;
  
  /* Semantic Colors */
  --primary:       var(--brand-blue);
  --accent:        var(--brand-orange);
  --text-dark:     var(--ink);
  --text-medium:   var(--ink-soft);
  --text-light:    var(--brand-gray);
  --bg-cream:      var(--cream);
  --bg-white:      var(--warm-white);
}

html { 
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-cream);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

p { 
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-medium);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover { color: var(--accent); }

/* ─── NAVIGATION ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(11, 79, 140, 0.1);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.nav.scrolled {
  padding: 0.75rem 0;
  box-shadow: 0 2px 20px rgba(11, 79, 140, 0.08);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo img {
  height: 45px;
  width: auto;
}

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

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary);
}

.nav-cta {
  background: var(--accent);
  color: white;
  padding: 0.65rem 1.5rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(11, 79, 140, 0.2);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  width: 25px;
  height: 2px;
  background: var(--primary);
  transition: all 0.3s ease;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(244, 121, 32, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.btn-large {
  padding: 1.2rem 3rem;
  font-size: 0.9rem;
}

/* ─── SECTIONS ─── */
.section {
  padding: 6rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-tight {
  padding: 4rem 3rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--accent);
}

.section-title {
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-medium);
  max-width: 700px;
  margin-bottom: 3rem;
}

/* ─── CARDS ─── */
.card {
  background: var(--bg-white);
  border: 1px solid rgba(11, 79, 140, 0.1);
  border-radius: 12px;
  padding: 2.5rem;
  transition: all 0.4s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(11, 79, 140, 0.12);
  border-color: var(--accent);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--primary);
}

.card-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-medium);
}

/* ─── FORMS ─── */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 1.5px solid rgba(11, 79, 140, 0.2);
  border-radius: 8px;
  font-size: 1rem;
  font-family: 'DM Sans', sans-serif;
  background: white;
  color: var(--text-dark);
  transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(244, 121, 32, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.form-checkbox input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-checkbox label {
  font-size: 0.875rem;
  color: var(--text-medium);
  line-height: 1.6;
  cursor: pointer;
}

/* ─── STATS & COUNTERS ─── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 2rem;
}

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-medium);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ─── FOOTER ─── */
.footer {
  background: var(--primary);
  color: white;
  padding: 4rem 3rem 2rem;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand img {
  height: 50px;
  margin-bottom: 1.5rem;
  filter: brightness(0) invert(1);
}

.footer-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

/* ─── PAGE HERO ─── */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, #0A3D6E 100%);
  padding: 8rem 3rem 5rem;
  margin-top: 70px;
  text-align: center;
  color: white;
}

.page-hero h1 {
  color: white;
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.9);
  max-width: 700px;
  margin: 0 auto;
}

/* ─── UTILITIES ─── */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.bg-white { background: var(--bg-white); }
.bg-primary { background: var(--primary); color: white; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 3rem;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.fade-up {
  animation: fadeUp 0.8s ease both;
}

.fade-in {
  animation: fadeIn 0.6s ease both;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1200px) {
  .section { padding: 5rem 2rem; }
  .nav-container { padding: 0 2rem; }
  .container { padding: 0 2rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .section { padding: 4rem 1.5rem; }
  .nav-container { padding: 0 1.5rem; }
  .container { padding: 0 1.5rem; }

  .page-hero {
    padding: 5rem 2rem 4rem;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-top: 1px solid rgba(11, 79, 140, 0.1);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }

  .nav-menu.active {
    transform: translateY(0);
  }

  .mobile-toggle {
    display: flex;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer {
    padding: 3rem 1.5rem 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-social {
    justify-content: flex-start;
  }

  .card {
    padding: 1.75rem;
  }
}

@media (max-width: 600px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  .section { padding: 2.5rem 1rem; }
  .container { padding: 0 1rem; }
  .btn { padding: 0.875rem 1.75rem; font-size: 0.8rem; }
  .nav-logo img { height: 35px; }

  .page-hero {
    padding: 4rem 1rem 3rem;
  }

  .page-hero p {
    font-size: 1rem;
  }

  .footer {
    padding: 2.5rem 1rem 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-brand {
    text-align: center;
  }

  .footer-brand img {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-social {
    justify-content: center;
  }

  .card {
    padding: 1.5rem;
  }
}