/* ========================================
   BISHAL KOIRALA WEBSITE - BASE STYLES
   ======================================== */

/* ---- COLOR PALETTE ---- */
:root {
  --bg-white: #FFFFFF;
  --bg-soft: #F6F8FA;
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --border-light: #E5E7EB;
  --primary-blue: #1A6FA4;
  --accent-green: #2F855A;
  --warm-accent: #F4B860;
  --warm-accent-dark: #D4960A;
  --whatsapp-green: #25D366;

  --shadow-sm: 0 2px 8px rgba(17, 24, 39, 0.04);
  --shadow-md: 0 10px 24px rgba(17, 24, 39, 0.08);
  --shadow-lg: 0 18px 45px rgba(17, 24, 39, 0.06);

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 96px;

  --border-radius-sm: 6px;
  --border-radius-md: 8px;
  --border-radius-lg: 10px;
  --border-radius-xl: 12px;
  --border-radius-pill: 24px;
}

/* ---- RESET & DEFAULTS ---- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- TYPOGRAPHY ---- */
h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

h5 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
}

p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

p.lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--text-primary);
}

/* ---- STRUCTURAL ELEMENTS ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-white);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
}

section:last-child {
  border-bottom: none;
}

section.section-light {
  background: #F6F8FA;
}

section.section-highlight {
  background:
    url("data:image/svg+xml,%3Csvg width='20' height='20' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='1' cy='1' r='1' fill='%231A6FA4' fill-opacity='0.05'/%3E%3C/svg%3E"),
    radial-gradient(circle at top left, rgba(26, 111, 164, 0.08), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f6f8fa 100%);
}

/* ---- SPACING UTILITIES ---- */
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mt-3xl { margin-top: var(--spacing-3xl); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }
.mb-3xl { margin-bottom: var(--spacing-3xl); }

.pt-0 { padding-top: 0; }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }
.pt-2xl { padding-top: var(--spacing-2xl); }

.pb-0 { padding-bottom: 0; }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }
.pb-2xl { padding-bottom: var(--spacing-2xl); }

/* ---- TEXT UTILITIES ---- */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--text-primary);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-blue {
  color: var(--primary-blue);
}

.text-green {
  color: var(--accent-green);
}

.text-small {
  font-size: 0.875rem;
  line-height: 1.5;
}

.text-muted {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.font-weight-normal {
  font-weight: 400;
}

.font-weight-medium {
  font-weight: 500;
}

.font-weight-semibold {
  font-weight: 600;
}

.font-weight-bold {
  font-weight: 700;
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.text-xl {
  font-size: 1.25rem;
  line-height: 1.5;
}

.text-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

.center-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.center-content-wide {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.card-price {
  font-size: 0.95rem;
  color: var(--primary-blue);
  font-weight: 600;
  margin-top: var(--spacing-md);
  margin-bottom: 0;
}

/* ---- SECTION EYEBROW ---- */
.section-eyebrow {
  color: var(--primary-blue);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

/* ---- CERT BADGES ---- */
.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: var(--spacing-sm) 0 var(--spacing-md);
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(47, 133, 90, 0.1);
  color: var(--accent-green);
  padding: 7px 14px;
  border-radius: var(--border-radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid rgba(47, 133, 90, 0.2);
}

/* ---- CLIENT CHIPS ---- */
.client-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: var(--spacing-xl);
}

.client-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(26, 111, 164, 0.08);
  color: var(--primary-blue);
  padding: 8px 16px;
  border-radius: var(--border-radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid rgba(26, 111, 164, 0.15);
  transition: background 0.2s ease;
}

.client-chip:hover {
  background: rgba(26, 111, 164, 0.14);
}

/* ---- CASE LABEL ---- */
.case-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-xs);
}

/* ---- ACCEPTING CLIENTS SIGNAL ---- */
.accepting-clients {
  font-size: 0.85rem;
  color: var(--accent-green);
  font-weight: 500;
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

/* ---- PRICING FROM ---- */
.pricing-from {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--warm-accent);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

.pricing-from-sub {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ---- DISPLAY & VISIBILITY ---- */
.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ---- RESPONSIVE UTILITIES ---- */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  section {
    padding: var(--spacing-2xl) 0;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  section {
    padding: var(--spacing-xl) 0;
  }
}