:root {
  --bg-main: #0b0c10;
  --bg-card: #13161f;
  --bg-card-hover: #191d2a;
  --bg-card-alt: #1a1e2c;
  --border-color: #23293a;
  --border-highlight: #333c52;
  --primary-orange: #ff6a00;
  --primary-orange-hover: #ff7d1a;
  --primary-orange-glow: rgba(255, 106, 0, 0.25);
  --accent-cyan: #00d2ff;
  --accent-cyan-hover: #38bdf8;
  --accent-cyan-glow: rgba(0, 210, 255, 0.25);
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

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

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

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

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(11, 12, 16, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-normal);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-logo img {
  height: 52px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

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

.navbar-logo-text .brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--text-main);
}

.navbar-logo-text .brand-name span {
  color: var(--primary-orange);
}

.navbar-logo-text .brand-slogan {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-orange), var(--accent-cyan));
  transition: width var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: var(--transition-normal);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-orange), #e65100);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--primary-orange-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-orange-hover), #f55a00);
  box-shadow: 0 6px 24px rgba(255, 106, 0, 0.45);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 4px 18px var(--accent-cyan-glow);
  transform: translateY(-2px);
}

.btn-cyan {
  background: linear-gradient(135deg, #00b4d8, var(--accent-cyan));
  color: #0b0c10;
  font-weight: 700;
  box-shadow: 0 4px 18px var(--accent-cyan-glow);
}

.btn-cyan:hover {
  background: linear-gradient(135deg, var(--accent-cyan), #7dd3fc);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.hero {
  position: relative;
  padding: 170px 0 100px;
  background: radial-gradient(circle at 80% 20%, rgba(255, 106, 0, 0.08) 0%, transparent 40%),
              radial-gradient(circle at 20% 80%, rgba(0, 210, 255, 0.07) 0%, transparent 40%),
              var(--bg-main);
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 106, 0, 0.1);
  border: 1px solid rgba(255, 106, 0, 0.35);
  border-radius: 50px;
  color: var(--primary-orange);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.hero-badge-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--primary-orange);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary-orange);
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -0.5px;
}

.hero-title .gradient-orange {
  background: linear-gradient(135deg, #ff8a00, var(--primary-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .gradient-cyan {
  background: linear-gradient(135deg, var(--accent-cyan), #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 35px;
  max-width: 580px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 45px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 25px;
  border-top: 1px solid var(--border-color);
}

.stat-item h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.stat-item h3 span {
  color: var(--primary-orange);
}

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

.hero-showcase {
  position: relative;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-orange), var(--accent-cyan));
}

.showcase-visual {
  width: 100%;
  height: 320px;
  background: radial-gradient(circle, #1a2030 0%, #0d1017 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.showcase-logo-glow {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 0, 0.2) 0%, transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: logoPulse 4s infinite alternate ease-in-out;
}

.showcase-logo-glow img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  border-radius: 50%;
}

@keyframes logoPulse {
  0% {
    transform: scale(0.96);
    box-shadow: 0 0 20px rgba(255, 106, 0, 0.2);
  }
  100% {
    transform: scale(1.04);
    box-shadow: 0 0 35px rgba(0, 210, 255, 0.3);
  }
}

.showcase-tech-badges {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.tech-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-highlight);
  color: var(--text-main);
}

.tech-tag.orange {
  border-color: rgba(255, 106, 0, 0.4);
  color: var(--primary-orange);
}

.tech-tag.cyan {
  border-color: rgba(0, 210, 255, 0.4);
  color: var(--accent-cyan);
}

.hero-features-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-bullet {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.feature-bullet svg {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 55px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary-orange);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

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

.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 45px;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 10px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--border-highlight);
}

.filter-btn.active {
  background: rgba(255, 106, 0, 0.15);
  border-color: var(--primary-orange);
  color: var(--primary-orange);
  box-shadow: 0 0 15px var(--primary-orange-glow);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 28px;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.card-media {
  position: relative;
  width: 100%;
  height: 230px;
  background: #0d1017;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-media-svg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease;
}

.portfolio-card:hover .card-media-svg {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(11, 12, 16, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-highlight);
  color: var(--text-main);
  z-index: 2;
}

.card-tech-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(0, 210, 255, 0.15);
  border: 1px solid rgba(0, 210, 255, 0.4);
  color: var(--accent-cyan);
  z-index: 2;
}

.card-tech-badge.orange {
  background: rgba(255, 106, 0, 0.15);
  border-color: rgba(255, 106, 0, 0.4);
  color: var(--primary-orange);
}

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-category {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary-orange);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.card-title {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
  flex: 1;
}

.card-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.spec-val {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
}

.btn-card-details {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.3);
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.btn-card-details:hover {
  background: rgba(0, 210, 255, 0.1);
  border-color: var(--accent-cyan);
}

.btn-card-quote {
  background: transparent;
  color: var(--primary-orange);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-card-quote:hover {
  color: var(--primary-orange-hover);
  text-decoration: underline;
}

.tech-section {
  background: #0e1017;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 34px;
  position: relative;
  overflow: hidden;
}

.tech-card.tech-fdm::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-orange);
}

.tech-card.tech-sla::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-cyan);
}

.tech-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.tech-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-fdm .tech-icon-box {
  background: rgba(255, 106, 0, 0.12);
  color: var(--primary-orange);
  border: 1px solid rgba(255, 106, 0, 0.3);
}

.tech-sla .tech-icon-box {
  background: rgba(0, 210, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.3);
}

.tech-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.tech-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.materials-list-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 12px;
  font-weight: 700;
}

.materials-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.mat-pill {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-main);
}

.tech-card-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tech-feature-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.tech-feature-row svg {
  width: 16px;
  height: 16px;
  color: #10b981;
  flex-shrink: 0;
}

.calc-section {
  position: relative;
}

.calc-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
}

.input-label span {
  color: var(--primary-orange);
  font-weight: 700;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: #0b0c10;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-orange);
  box-shadow: 0 0 10px var(--primary-orange-glow);
}

select.form-control {
  cursor: pointer;
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #23293a;
  outline: none;
  -webkit-appearance: none;
  accent-color: var(--primary-orange);
}

.calc-summary {
  background: #0d1017;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 30px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.summary-row.highlight {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  padding-top: 14px;
  border-top: 1px dashed var(--border-highlight);
}

.summary-row.highlight span:last-child {
  color: var(--primary-orange);
  font-size: 1.35rem;
}

.security-section {
  background: radial-gradient(circle at 50% 50%, rgba(0, 210, 255, 0.04) 0%, transparent 60%), #0e1017;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.security-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  transition: var(--transition-normal);
}

.security-card:hover {
  border-color: rgba(0, 210, 255, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.sec-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(0, 210, 255, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.sec-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.sec-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-section {
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-box {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: rgba(255, 106, 0, 0.1);
  color: var(--primary-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

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

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

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

.form-feedback {
  padding: 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid #10b981;
  color: #34d399;
}

.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid #ef4444;
  color: #f87171;
}

.site-footer {
  background: #07080a;
  border-top: 1px solid var(--border-color);
  padding: 70px 0 30px;
}

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

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main);
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 25px;
  height: 2px;
  background: var(--primary-orange);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--primary-orange);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid #191d29;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 760px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 30px;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--primary-orange);
}

.modal-body {
  padding: 30px;
}

.modal-media-preview {
  width: 100%;
  height: 280px;
  background: #0d1017;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.modal-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 30px;
}

.modal-detail-card {
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.modal-detail-card .label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.modal-detail-card .val {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 20px 30px;
  border-top: 1px solid var(--border-color);
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-badge {
    margin: 0 auto 20px;
  }
  .hero-description {
    margin: 0 auto 35px;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-stats {
    max-width: 500px;
    margin: 0 auto;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .security-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: #0b0c10;
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 25px;
    gap: 20px;
    display: none;
  }
  .nav-links.active {
    display: flex;
  }
  .nav-actions .btn {
    display: none;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .modal-details-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
}