/* ==========================================================================
   BHARAT FIBERNET - ENTERPRISE STYLESHEET
   ========================================================================== */

:root {
  --primary: #0284c7;
  --primary-dark: #0369a1;
  --accent: #f97316;
  --accent-hover: #ea580c;
  --green: #22c55e;
  --dark: #0f172a;
  --dark-light: #1e293b;
  --slate: #334155;
  --muted: #64748b;
  --light: #f8fafc;
  --border: #e2e8f0;
  --white: #ffffff;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --transition: all 0.25s ease-in-out;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--slate);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-padding {
  padding: 80px 0;
}

.bg-light {
  background-color: var(--light);
}

.grid {
  display: grid;
  gap: 30px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

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

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

.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-50 { margin-bottom: 50px; }
.ml-10 { margin-left: 10px; }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
}

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

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

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

.btn-accent:hover {
  background-color: var(--accent-hover);
}

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

.btn-secondary:hover {
  background-color: var(--dark-light);
}

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

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

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--white);
  background: transparent;
}

.btn-outline-light:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.btn-call {
  background-color: #0284c715;
  color: var(--primary);
  border: 1px solid #0284c730;
}

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

.btn-block {
  width: 100%;
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 50px;
}

.sub-badge {
  display: inline-block;
  padding: 4px 14px;
  background-color: #e0f2fe;
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 50px;
  margin-bottom: 12px;
}

.section-heading {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 15px;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--muted);
}

/* ==================== TOP BAR ==================== */
.top-bar {
  background-color: var(--dark);
  color: #94a3b8;
  font-size: 0.85rem;
  padding: 9px 0;
  border-bottom: 1px solid #1e293b;
}

.top-bar-inner {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-left i {
  color: var(--accent);
  margin-right: 6px;
}

.top-right {
  display: flex;
  gap: 20px;
}

.top-right a:hover {
  color: var(--white);
}

/* ==================== NAVBAR ==================== */
.main-header {
  position: sticky;
  top: 0;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  z-index: 999;
}

.navbar-container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-weight: 500;
  color: var(--slate);
  font-size: 0.95rem;
  position: relative;
  padding: 8px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 260px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 0.9rem;
  color: var(--slate);
}

.dropdown-item:hover {
  background-color: #f1f5f9;
  color: var(--primary);
}

.dropdown-item i {
  color: var(--primary);
  width: 18px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
}

/* ==================== PAGE VIEW SYSTEM (SPA) ==================== */
.page-view {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.page-view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Inner Page Banner */
.inner-banner {
  background: linear-gradient(135deg, var(--dark) 0%, #1e293b 100%);
  color: var(--white);
  padding: 60px 0;
  border-bottom: 3px solid var(--accent);
}

.inner-banner h2 {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.inner-banner p {
  color: #94a3b8;
  font-size: 1.1rem;
}

/* ==================== HERO SECTION ==================== */
.hero-section {
  background: linear-gradient(135deg, #09121f 0%, #0f172a 60%, #1e293b 100%);
  color: var(--white);
  padding: 90px 5%;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: rgba(2, 132, 199, 0.2);
  border: 1px solid rgba(2, 132, 199, 0.4);
  color: #38bdf8;
  font-size: 0.85rem;
  border-radius: 50px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-title .highlight {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 35px;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 45px;
}

.hero-stats-bar {
  display: flex;
  gap: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 25px;
}

.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
}

.stat-label {
  font-size: 0.8rem;
  color: #94a3b8;
  text-transform: uppercase;
}

/* Hero Lead Form Card */
.hero-form-card {
  background: var(--white);
  border-radius: 12px;
  padding: 35px;
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
  color: var(--dark);
}

.form-header h3 {
  font-size: 1.4rem;
  margin-bottom: 5px;
}

.form-header p {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 20px;
}

.input-field {
  position: relative;
  margin-bottom: 14px;
}

.input-field i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  font-size: 0.9rem;
}

.input-field input,
.input-field select,
.input-field textarea {
  width: 100%;
  padding: 12px 14px 12px 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.input-field input:focus,
.input-field select:focus,
.input-field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.textarea-field i {
  top: 20px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 20px;
  cursor: pointer;
}

.checkbox-label input {
  margin-top: 3px;
}

/* ==================== FEATURE CARDS ==================== */
.feature-card {
  background: var(--white);
  padding: 35px 30px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.card-icon {
  width: 55px;
  height: 55px;
  background-color: #e0f2fe;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  color: var(--dark);
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==================== PRICING CARDS ==================== */
.pricing-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 35px 25px;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.pricing-card.highlighted {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-lg);
}

.badge-pop {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  text-transform: uppercase;
}

.plan-header {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.plan-header h4 {
  font-size: 1.35rem;
  color: var(--dark);
  margin-bottom: 8px;
}

.plan-header .price {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary);
}

.plan-header .price span {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 400;
}

.plan-specs {
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-specs li {
  font-size: 0.9rem;
  color: var(--slate);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-specs li i {
  color: var(--green);
  font-size: 0.95rem;
}

/* Plan Tabs */
.plan-tabs-container {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.plan-tab {
  padding: 10px 24px;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  color: var(--slate);
  transition: var(--transition);
}

.plan-tab.active,
.plan-tab:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.custom-solution-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: var(--white);
  padding: 40px;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

/* ==================== TESTIMONIALS ==================== */
.testimonial-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
}

.testimonial-box .stars {
  color: #eab308;
  margin-bottom: 15px;
}

.testimonial-box .quote {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--slate);
  margin-bottom: 20px;
}

.client-info strong {
  display: block;
  color: var(--dark);
}

.client-info span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ==================== SERVICE & INNER PAGES ==================== */
.service-detail-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 35px 25px;
  transition: var(--transition);
}

.service-detail-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.service-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.service-detail-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.service-detail-card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 15px;
}

.card-link {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ILL Comparison Table */
.ill-comparison-table-wrapper {
  background: var(--light);
  border-radius: 12px;
  padding: 30px;
  border: 1px solid var(--border);
}

.ill-comparison-table-wrapper h3 {
  margin-bottom: 20px;
  font-size: 1.25rem;
  color: var(--dark);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.comparison-table th {
  background-color: #e2e8f0;
  color: var(--dark);
}

.comparison-table .active-col {
  background-color: #e0f2fe30;
  color: var(--primary-dark);
}

.spec-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.clean-list li {
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.service-graphic-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.graphic-item {
  background: var(--light);
  border: 1px solid var(--border);
  padding: 30px 20px;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  color: var(--dark);
}

.graphic-item i {
  display: block;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.cloud-partners-card {
  background: var(--light);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.cloud-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 15px;
}

.cloud-badge {
  background: var(--white);
  padding: 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* About Boxes */
.about-card-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.box-stat {
  background: var(--light);
  border: 1px solid var(--border);
  padding: 30px 20px;
  border-radius: 10px;
  text-align: center;
}

.box-stat h3 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.about-points .point-item {
  margin-bottom: 10px;
  font-size: 0.95rem;
  font-weight: 500;
}

.about-points .point-item i {
  color: var(--green);
  margin-right: 8px;
}

.info-block {
  background: var(--light);
  border-left: 4px solid var(--primary);
  padding: 30px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.info-block h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
}

/* Support Categories & Accordions */
.support-cat-card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 25px 20px;
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.support-cat-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.support-cat-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 15px;
  overflow: hidden;
}

.accordion-btn {
  width: 100%;
  padding: 18px 24px;
  text-align: left;
  background: var(--white);
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.accordion-btn i {
  transition: var(--transition);
}

.accordion-btn.active i {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  background-color: var(--light);
  color: var(--slate);
  font-size: 0.95rem;
}

.accordion-content.open {
  padding: 20px 24px;
  max-height: 250px;
}

/* Contact Details */
.c-item {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
}

.c-item i {
  font-size: 1.3rem;
  color: var(--primary);
  margin-top: 3px;
}

.contact-form-container {
  background: var(--light);
  padding: 35px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

/* Career Jobs */
.job-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 25px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  transition: var(--transition);
}

.job-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.job-meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 6px 0 10px;
}

/* Knowledge Cards */
.knowledge-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 25px;
}

.k-tag {
  display: inline-block;
  background: #e0f2fe;
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.knowledge-card h3 {
  font-size: 1.2rem;
  color: var(--dark);
  margin-bottom: 10px;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 15px;
  font-size: 0.9rem;
}

/* ==================== FOOTER ==================== */
.main-footer {
  background-color: var(--dark);
  color: #94a3b8;
  padding: 70px 0 25px;
  border-top: 4px solid var(--primary);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1.3fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-logo {
  height: 52px;
  margin-bottom: 18px;
  background-color: #ffffff;
  padding: 4px 8px;
  border-radius: 6px;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #1e293b;
  color: #cbd5e1;
  margin-right: 8px;
  transition: var(--transition);
}

.footer-socials a:hover {
  background-color: var(--primary);
  color: var(--white);
}

.footer-heading {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-contact-info p {
  margin-bottom: 12px;
  display: flex;
  gap: 10px;
}

.footer-contact-info i {
  color: var(--accent);
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.legal-links a {
  margin-left: 20px;
}

.legal-links a:hover {
  color: var(--white);
}

/* ==================== RESPONSIVE QUERIES ==================== */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr;
    padding: 60px 5%;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 5%;
    gap: 18px;
    overflow-y: auto;
    transition: 0.3s ease;
  }

  .nav-menu.open {
    left: 0;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    padding-left: 15px;
    transform: none;
  }

  .mobile-toggle {
    display: block;
  }

  .btn-call {
    display: none;
  }

  .hero-title {
    font-size: 2.4rem;
  }

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

  .custom-solution-banner {
    flex-direction: column;
    text-align: center;
  }

  .job-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
}