/* =========================================================================
   CONNECTED BRIDGES - MASTER STYLESHEET
   Premium B2B Agency Theme
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette - Dark Slate & Vibrant Blue */
  --color-bg-main: #0a0e17; /* Very dark slate */
  --color-bg-secondary: #111824;
  --color-bg-tertiary: #192231;
  
  --color-primary: #0070f3; /* Vibrant blue */
  --color-primary-hover: #0056b3;
  --color-secondary: #00d2ff;
  
  --color-text-main: #ffffff;
  --color-text-muted: #94a3b8;
  --color-text-dark: #0a0e17;
  
  --color-border: #1e293b;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Shadows / Effects */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(0, 112, 243, 0.4);
  
  /* Glassmorphism */
  --glass-bg: rgba(17, 24, 36, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  
  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

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

a:hover {
  text-decoration: none;
  color: var(--color-secondary);
}

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================================
   UTILITIES & COMPONENTS
   ========================================================================= */
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-muted { color: var(--color-text-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-primary);
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 112, 243, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: rgba(0, 112, 243, 0.1);
}

/* Sections */
.section {
  padding: 100px 0;
}
.section-header {
  margin-bottom: 60px;
}
.section-title {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* =========================================================================
   HEADER / NAVIGATION
   ========================================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all 0.3s ease;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* =========================================================================
   HERO SECTION
   ========================================================================= */
.hero {
  padding: 180px 0 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 112, 243, 0.2) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  z-index: -1;
  filter: blur(50px);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* KPI Banner */
.hero-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 80px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: 40px;
  border-radius: var(--radius-lg);
}

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

.kpi-value {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-secondary);
  margin-bottom: 8px;
}

.kpi-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* =========================================================================
   SERVICES / CARDS
   ========================================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.service-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background: linear-gradient(to bottom right, var(--color-bg-secondary), var(--color-bg-tertiary));
}

.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(0, 112, 243, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.service-desc {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.service-link {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* =========================================================================
   FORMS & INPUTS
   ========================================================================= */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-text-main);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  color: #fff;
  padding: 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.2);
}

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

/* Contact Wrapper */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.info-item {
  display: flex;
  gap: 16px;
}

.info-icon {
  color: var(--color-primary);
  font-size: 1.5rem;
}

.info-text h4 {
  margin-bottom: 4px;
}
.info-text p {
  color: var(--color-text-muted);
}

/* Alerts */
.alert {
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  display: none;
  font-weight: 500;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* =========================================================================
   NEWSLETTER MODAL POPUP
   ========================================================================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  padding: 40px;
  position: relative;
  transform: translateY(20px);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s;
}

.modal-close:hover {
  color: #fff;
}

.modal-title {
  font-size: 2rem;
  margin-bottom: 16px;
  font-family: var(--font-heading);
}

.modal-desc {
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

/* =========================================================================
   ADMIN GUI / TABLE STYLES
   ========================================================================= */
.admin-container {
  max-width: 1400px;
  margin: 100px auto;
  padding: 0 24px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.table-wrapper {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.admin-table th, 
.admin-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.admin-table th {
  background: var(--color-bg-tertiary);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(0, 112, 243, 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(0, 112, 243, 0.2);
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 80px 0 40px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 24px;
  color: #fff;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* =========================================================================
   RESPONSIVE DESIGN
   ========================================================================= */
@media (max-width: 992px) {
  .hero-title { font-size: 3rem; }
  .hero-kpis { grid-template-columns: repeat(2, 1fr); }
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--color-bg-secondary);
    flex-direction: column;
    padding: 40px 24px;
    transition: left 0.3s ease;
  }
  .nav-links.active { left: 0; }
  .mobile-menu-btn { display: block; }
  .hero-title { font-size: 2.5rem; }
  .hero-kpis { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; }
}