/* ==========================================================================
   BLVTeck Corporate Website - Modern Clean CSS Design System
   ========================================================================== */

:root {
  /* Color Tokens */
  --bg-dark: #090d16;
  --bg-card: rgba(15, 22, 38, 0.75);
  --bg-card-hover: rgba(22, 33, 56, 0.85);

  --accent-cyan: #00F0FF;
  --accent-purple: #7000FF;
  --accent-pink: #FF007A;
  --accent-emerald: #10B981;

  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-glow: rgba(0, 240, 255, 0.35);

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Global Base Settings */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Canvas & Ambient Orbs */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.22;
}

.glow-1 {
  top: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--accent-purple), transparent 70%);
}

.glow-2 {
  bottom: -10%;
  right: -10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6rem 0;
}

.bg-subtle {
  background: rgba(255, 255, 255, 0.015);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

/* Typography Utilities */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, #3B82F6 40%, var(--accent-purple) 80%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

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

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

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

/* Header Navigation */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(9, 13, 22, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all 0.3s ease;
}

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

.logo-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blv-svg-logo {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.4));
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.05em;
}

.brand-name .highlight {
  color: var(--accent-cyan);
}

.brand-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: width 0.3s ease;
  border-radius: 2px;
}

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

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

.cta-header-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 30px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-text-short,
.mobile-only-cta {
  display: none;
}

.cta-header-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 240, 255, 0.4);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 0.5rem;
  border-radius: 8px;
  font-size: 1.2rem;
  cursor: pointer;
}

/* HERO SECTION */
.hero-section {
  padding: 10rem 0 6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  border-radius: 30px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.7);
  }

  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(0, 240, 255, 0);
  }

  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 240, 255, 0);
  }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.cta-primary-btn,
.cta-secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  border-radius: 30px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  border: none;
}

.cta-primary-btn {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
}

.cta-primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.5);
}

.cta-secondary-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
}

.cta-secondary-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

.hero-metrics-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
  max-width: 850px;
  margin: 0 auto;
}

.metric-mini {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
}

.metric-mini i {
  font-size: 1.6rem;
}

.m-val {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.m-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* SECTION HEADERS */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

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

/* GLASS CARDS & GRIDS */
.cards-grid {
  display: grid;
  gap: 2rem;
}

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

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2.2rem;
  transition: all 0.3s var(--ease-out);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 240, 255, 0.4);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.highlight-border {
  border-color: rgba(112, 0, 255, 0.4);
  box-shadow: 0 0 25px rgba(112, 0, 255, 0.15);
}

.feature-card h3 {
  font-size: 1.35rem;
  margin: 1.25rem 0 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.card-icon.cyan {
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
}

.card-icon.purple {
  background: rgba(112, 0, 255, 0.15);
  color: var(--accent-purple);
}

.card-icon.emerald {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-main);
}

.check-list li i {
  color: var(--accent-cyan);
  font-size: 0.8rem;
}

/* SERVICES INTERACTIVE SECTION */
.services-interactive-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2rem;
  align-items: stretch;
}

.services-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-nav-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.25rem;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  text-align: left;
  cursor: pointer;
  transition: all 0.3s ease;
}

.service-nav-item i {
  font-size: 1.5rem;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.service-nav-item strong {
  display: block;
  font-size: 1rem;
  color: var(--text-main);
}

.service-nav-item small {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.service-nav-item:hover,
.service-nav-item.active {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.service-nav-item.active i {
  color: var(--accent-cyan);
}

.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 2.5rem;
}

.service-detail-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-detail-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.service-detail-header h3 {
  font-size: 1.6rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.8rem;
}

.tech-tag {
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 500;
}



.full-width {
  width: 100%;
}

/* PROCESS TIMELINE SECTION */
.timeline-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.timeline-step {
  position: relative;
  text-align: center;
  padding: 2rem 1.5rem;
}

.step-number {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 2.5rem;
  color: rgba(255, 255, 255, 0.08);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(112, 0, 255, 0.2));
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin: 0 auto 1.25rem;
}

.timeline-step h4 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.timeline-step p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.timeline-connector {
  display: none;
}

/* METRICS & QUALITY GUARANTEES */
.stats-counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.8rem;
}

.stat-card {
  text-align: center;
  padding: 2.2rem 1.5rem;
}

.stat-number-wrapper {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 3.2rem;
  color: var(--accent-cyan);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.stat-unit {
  font-size: 2rem;
  color: var(--accent-purple);
}

.stat-label {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* CONTACT & CONSULTING SECTION */
.contact-card-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-col h2 {
  font-size: 2.2rem;
  margin: 1rem 0;
}

.contact-info-col p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.direct-contacts {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
}

.contact-link {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

.contact-link:hover {
  border-color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.12);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.contact-item i {
  font-size: 1.4rem;
}

.contact-item small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.contact-item strong {
  font-size: 0.95rem;
}

/* Form Styles */
.contact-form-col form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-form-col h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  background: rgba(10, 15, 28, 0.8);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.hidden-success-box {
  display: none;
  text-align: center;
  padding: 3rem 1.5rem;
}

.hidden-success-box i {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.hidden-success-box h4 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.hidden-success-box p {
  color: var(--text-muted);
}

/* FOOTER */
.app-footer {
  background: rgba(5, 8, 14, 0.95);
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  max-width: 450px;
}

.footer-links {
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  width: 100%;
}

/* RESPONSIVE MEDIA QUERIES */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.8rem;
  }

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

  .services-interactive-layout {
    grid-template-columns: 1fr;
  }

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

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

  .contact-card-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-header {
    padding: 0 1rem;
  }

  .header-actions {
    gap: 0.6rem;
  }

  .brand-sub {
    display: none;
  }

  .brand-name {
    font-size: 1.2rem;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
  }

  .btn-text-full {
    display: none;
  }

  .btn-text-short {
    display: inline;
  }

  .cta-header-btn {
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .mobile-only-cta {
    display: inline-flex;
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }

  .mobile-only-cta span {
    display: inline !important;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: rgba(9, 13, 22, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    padding: 1.8rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
  }

  .nav-menu.mobile-open {
    display: flex;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .cta-primary-btn,
  .hero-actions .cta-secondary-btn {
    width: 100%;
  }

  .hero-metrics-strip {
    flex-direction: column;
    gap: 1.2rem;
    align-items: flex-start;
  }

  .timeline-container {
    grid-template-columns: 1fr;
  }

  .stats-counter-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 400px) {
  .header-actions {
    gap: 0.4rem;
  }

  .btn-text-short {
    display: none;
  }

  .cta-header-btn:not(.mobile-only-cta) {
    padding: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    justify-content: center;
  }

  .cta-header-btn:not(.mobile-only-cta) i {
    margin: 0;
    font-size: 1rem;
  }
}