/* ==========================================================================
   AGASTYA STAFFING SOLUTIONS - BASE & LAYOUT STYLES
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background-color: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-navy);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(37, 99, 235, 0.2);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 1rem;
  line-height: 1.18;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 650px;
  line-height: 1.65;
}

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

.center-header {
  text-align: center;
  margin-bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ==========================================================================
   TOP BAR
   ========================================================================== */
.top-bar {
  background-color: var(--primary-deep);
  color: #CBD5E1;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 50;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.top-bar-item:hover {
  color: #FFFFFF;
}

.top-bar-item svg {
  width: 14px;
  height: 14px;
  color: var(--accent-cyan);
}

.msme-badge {
  background: rgba(217, 119, 6, 0.15);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.75rem; /* Decreased by 20% from 0.94rem */
  font-weight: 600;
  color: var(--primary-navy);
  padding: 0.4rem 0.15rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: width var(--transition-base);
  border-radius: 2px;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-blue);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--primary-navy);
}

.mobile-toggle svg {
  width: 26px;
  height: 26px;
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 340px;
  height: 100vh;
  background: #FFFFFF;
  z-index: 1000;
  box-shadow: var(--shadow-xl);
  padding: 2rem 1.5rem;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
}

.mobile-overlay.active {
  display: block;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.drawer-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-muted);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-navy);
}

.mobile-nav-link.active {
  color: var(--accent-blue);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.45rem;
  font-weight: 600;
  font-size: 0.94rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-navy {
  background-color: var(--primary-navy);
  color: #FFFFFF;
}

.btn-navy:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--whatsapp-green);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--whatsapp-glow);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--whatsapp-glow);
  color: #FFFFFF;
}

.btn-whatsapp svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.btn-outline {
  background: transparent;
  color: var(--primary-navy);
  border-color: var(--border-mid);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: var(--accent-blue-soft);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline-white:hover {
  background: #FFFFFF;
  color: var(--primary-navy);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.02rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 991px) {
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .mobile-drawer {
    display: flex;
  }
  .top-bar-right {
    display: none;
  }
}

@media (max-width: 640px) {
  .top-bar {
    display: none;
  }
  .header-inner {
    height: 68px;
  }
  .brand-logo-img {
    height: 42px;
  }
}