/* 🌌 V2NET Solutions Style System */

:root {
  --bg-color: #060913;
  --bg-darker: #03050c;
  --bg-card: rgba(13, 20, 38, 0.5);
  --border-color: rgba(0, 242, 254, 0.15);
  --border-glow: rgba(0, 242, 254, 0.4);
  
  --color-text: #e2e8f0;
  --color-dim: #94a3b8;
  
  /* Cyber Gradients & Glows */
  --accent-cyan: #00f2fe;
  --accent-teal: #4facfe;
  --accent-purple: #892cdc;
  --gradient-cyber: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-cyan) 100%);
  --gradient-glow: 0 0 25px rgba(0, 242, 254, 0.25);
  --gradient-glow-heavy: 0 0 35px rgba(137, 44, 220, 0.4);
  
  --font-header: 'Space Grotesk', sans-serif;
  --font-body: 'Outfit', sans-serif;
}

/* Reset & Base Rules */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body.v2net-dark {
  background-color: var(--bg-color);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

/* Glassmorphic Panel Utility */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
  border-color: var(--border-glow);
  box-shadow: var(--gradient-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: var(--font-header);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  border: none;
}

.btn-primary {
  background: var(--gradient-cyber);
  color: #03050c;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5), var(--gradient-glow);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background: rgba(0, 242, 254, 0.05);
  border-color: var(--accent-cyan);
}

.btn-glow {
  background: rgba(137, 44, 220, 0.1);
  color: var(--color-text);
  border: 1px solid rgba(137, 44, 220, 0.4);
  box-shadow: 0 0 15px rgba(137, 44, 220, 0.2);
}

.btn-glow:hover {
  background: var(--accent-purple);
  color: #fff;
  box-shadow: var(--gradient-glow-heavy);
  border-color: var(--accent-purple);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-block {
  display: width;
  width: 100%;
}

/* Header & Navigation */
.v2net-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(6, 9, 19, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 1.5rem;
}

.logo-icon {
  color: var(--accent-cyan);
  text-shadow: var(--gradient-glow);
}

.logo-text {
  background: var(--gradient-cyber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-subtext {
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--color-dim);
  margin-left: 4px;
}

.header-nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
  font-size: 0.95rem;
  font-weight: 500;
}

.header-nav a {
  color: var(--color-dim);
}

.header-nav a:hover {
  color: var(--accent-cyan);
  text-shadow: var(--gradient-glow);
}

/* Hero Slider Carousel Section */
.hero-slider-section {
  position: relative;
  min-height: 80vh;
  margin-top: 75px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
}

.hero-glow-effects {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.orb-purple {
  width: 400px;
  height: 400px;
  background: var(--accent-purple);
  top: 10%;
  right: 15%;
}

.orb-teal {
  width: 500px;
  height: 500px;
  background: var(--accent-teal);
  bottom: 10%;
  left: 10%;
}

.slider-container {
  max-width: 1200px;
  width: 100%;
  position: relative;
  z-index: 2;
}

.slider-track {
  position: relative;
  min-height: 400px;
}

.slider-panel {
  display: none;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.slider-panel.active {
  display: grid;
  opacity: 1;
}

.panel-content .panel-tag {
  display: inline-block;
  font-family: var(--font-header);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.panel-content h2 {
  font-family: var(--font-header);
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 24px;
  font-weight: 700;
}

.panel-content p {
  font-size: 1.2rem;
  color: var(--color-dim);
  margin-bottom: 36px;
  max-width: 540px;
}

.panel-visual {
  display: flex;
  justify-content: center;
}

.visual-card {
  padding: 32px;
  width: 320px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-color: rgba(255, 255, 255, 0.08);
}

.card-emoji {
  font-size: 3.5rem;
  display: block;
  margin-bottom: 16px;
}

.visual-card h3 {
  font-family: var(--font-header);
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.visual-card p {
  font-size: 0.95rem;
  color: var(--color-dim);
  margin-bottom: 24px;
}

.card-bar {
  background: rgba(255, 255, 255, 0.05);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
}

.bar-fill {
  background: var(--gradient-cyber);
  height: 100%;
  border-radius: 3px;
  box-shadow: var(--gradient-glow);
}

.slider-controls {
  display: flex;
  gap: 12px;
  justify-content: flex-start;
  margin-top: 40px;
}

.control-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.control-btn.active {
  background: var(--accent-cyan);
  box-shadow: var(--gradient-glow);
  transform: scale(1.25);
}

/* Service Tabs Section */
.services-section {
  padding: 100px 24px;
  background: var(--bg-darker);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-family: var(--font-header);
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--color-dim);
  font-size: 1.1rem;
}

.services-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.tab-trigger {
  padding: 12px 32px;
  font-family: var(--font-header);
  font-weight: 600;
  font-size: 1.05rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 30px;
  color: var(--color-dim);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.tab-trigger.active {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.service-card {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border-color: rgba(255, 255, 255, 0.04);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 24px;
  display: inline-block;
}

.service-card h3 {
  font-family: var(--font-header);
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--color-dim);
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-link {
  font-family: var(--font-header);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 4px;
}

.service-link:hover {
  text-shadow: var(--gradient-glow);
  transform: translateX(4px);
}

/* Architecture Configurator Section */
.configurator-section {
  padding: 100px 24px;
}

.configurator-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

.configurator-inputs {
  padding: 40px;
  border-color: rgba(255, 255, 255, 0.05);
}

.configurator-inputs h2 {
  font-family: var(--font-header);
  font-size: 2rem;
  margin-bottom: 8px;
}

.config-subtitle {
  color: var(--color-dim);
  font-size: 1rem;
  margin-bottom: 32px;
}

.config-group {
  margin-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 24px;
}

.config-group:last-child {
  margin-bottom: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.config-group h3 {
  font-family: var(--font-header);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-dim);
  margin-bottom: 16px;
}

.radio-options, .checkbox-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.radio-label, .check-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.radio-label:hover, .check-label:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 242, 254, 0.2);
}

.radio-label input, .check-label input {
  accent-color: var(--accent-cyan);
  width: 18px;
  height: 18px;
}

.configurator-preview {
  padding: 40px;
  border-color: rgba(255, 255, 255, 0.05);
  position: sticky;
  top: 100px;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.preview-header h3 {
  font-family: var(--font-header);
  font-size: 1.3rem;
}

.live-badge {
  font-size: 0.75rem;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  padding: 3px 8px;
  border-radius: 12px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

.preview-stack-list {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.no-items {
  color: var(--color-dim);
  text-align: center;
  margin-top: 60px;
  font-size: 0.95rem;
}

.stack-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
  font-size: 0.95rem;
  animation: slideInRight 0.25s ease-out;
}

.stack-item .item-cost {
  color: var(--accent-cyan);
  font-weight: 600;
}

.preview-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: 24px 0;
}

.preview-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.preview-total-row span {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-dim);
}

.preview-total-row strong {
  font-family: var(--font-header);
  font-size: 2.2rem;
  color: #fff;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

/* Contact / Consultation Section */
.contact-section {
  padding: 100px 24px;
  background: var(--bg-darker);
}

.contact-card {
  max-width: 800px;
  margin: 0 auto;
  padding: 50px;
  text-align: center;
  border-color: rgba(255, 255, 255, 0.05);
}

.contact-card h2 {
  font-family: var(--font-header);
  font-size: 2.3rem;
  margin-bottom: 12px;
}

.contact-card p {
  color: var(--color-dim);
  margin-bottom: 32px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-input, .form-textarea {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 14px 18px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all 0.25s ease;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  outline: none;
  background: rgba(0, 242, 254, 0.01);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.1);
}

.contact-form .btn {
  align-self: center;
  margin-top: 16px;
}

/* Interior Pages */
.v2net-interior {
  margin-top: 120px;
  padding: 60px 24px;
}

.interior-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 50px;
  border-color: rgba(255, 255, 255, 0.05);
}

.article-header {
  margin-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 24px;
}

.meta-category {
  font-family: var(--font-header);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 600;
  display: block;
  margin-bottom: 12px;
}

.article-header h1 {
  font-family: var(--font-header);
  font-size: 2.8rem;
  line-height: 1.2;
  margin-bottom: 16px;
}

.meta-date {
  color: var(--color-dim);
  font-size: 0.9rem;
}

.article-body {
  font-size: 1.1rem;
  line-height: 1.75;
  color: #d1d5db;
}

.article-body h2 {
  font-family: var(--font-header);
  font-size: 1.8rem;
  margin-top: 40px;
  margin-bottom: 16px;
  color: #fff;
}

.article-body p {
  margin-bottom: 24px;
}

.article-body ul {
  list-style-type: square;
  margin-left: 24px;
  margin-bottom: 24px;
}

.article-nav {
  margin-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
}

/* Footer Section */
.v2net-footer {
  background: var(--bg-darker);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 80px 24px 40px 24px;
  color: var(--color-dim);
  font-size: 0.95rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-about .logo-area {
  margin-bottom: 16px;
}

.footer-about p {
  max-width: 320px;
}

.footer-grid h4 {
  font-family: var(--font-header);
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-links ul, .footer-legal ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  text-align: center;
  font-size: 0.85rem;
}

/* Keyframe Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Responsive adjustments */
@media (max-width: 968px) {
  .slider-panel {
    grid-template-columns: 1fr;
    gap: 36px;
    text-align: center;
  }
  .panel-content h2 {
    font-size: 2.8rem;
  }
  .panel-content p {
    margin: 0 auto 24px auto;
  }
  .slider-controls {
    justify-content: center;
  }
  .configurator-grid {
    grid-template-columns: 1fr;
  }
  .configurator-preview {
    position: static;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-nav {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}