/* Modern Reset & Base Rules */
:root {
  --bg-base: #0b0e14; /* Deep industrial dark */
  --bg-surface: #141822; /* Lighter layered dark */
  --accent-primary: #ff5a00; /* Welding sparks orange */
  --accent-primary-hover: #e04e00;
  --accent-glow: rgba(255, 90, 0, 0.4);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-glass-hover: rgba(255, 255, 255, 0.2);
  --glass-bg: rgba(20, 24, 34, 0.6);

  --font-primary: "Outfit", sans-serif;

  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.section {
  padding: 6rem 0;
  position: relative;
  z-index: 2;
}

/* Typography elements */
.accent-text {
  color: var(--accent-primary);
}
.gradient-text {
  background: linear-gradient(135deg, #ff5a00, #ffb800);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Background Glow Effects */
.glow-bg {
  position: fixed;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  filter: blur(80px);
}
.top-glow {
  top: -200px;
  left: -200px;
}
.bottom-glow {
  bottom: -200px;
  right: -200px;
}

/* Header & Glassmorphism Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition);
  padding: 1.5rem 0;
}
.header.scrolled {
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  padding: 1rem 0;
}

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

.logo-text {
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-secondary);
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-primary);
  transition: var(--transition);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 90, 0, 0.3);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 90, 0, 0.5);
}

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

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-block {
  width: 100%;
}

.nav-btn {
  padding: 0.6rem 1.5rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 30px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* Glass Card Global Styles */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 8rem;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
}

.hero-title {
  font-size: 4rem;
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* Hero Visual Composition */
.hero-visual {
  position: relative;
}

.visual-card {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-glass);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.hero-img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  display: block;
  filter: brightness(0.8) contrast(1.1);
}

.visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 90, 0, 0.3) 0%,
    transparent 100%
  );
  mix-blend-mode: overlay;
}

/* Animated Sparks Simulation in Hero */
.welding-spark {
  position: absolute;
  width: 3px;
  height: 3px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 10px 2px #ff5a00;
  opacity: 0;
  top: 40%;
  left: 40%;
  z-index: 10;
}
.spark-1 {
  animation: sparkAnim 2s infinite ease-out;
}
.spark-2 {
  animation: sparkAnim 1.8s infinite ease-out 0.5s;
  left: 45%;
}
.spark-3 {
  animation: sparkAnim 2.2s infinite ease-out 1s;
  left: 35%;
  top: 45%;
}

@keyframes sparkAnim {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(1.5);
  }
  100% {
    opacity: 0;
    transform: translate(100px, 150px) scale(0);
  }
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.eyebrow {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2.5rem 2rem;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--border-glass-hover);
  background: rgba(30, 36, 50, 0.7);
}

.service-icon-wrapper {
  width: 60px;
  height: 60px;
  background: rgba(255, 90, 0, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 90, 0, 0.2);
  font-size: 1.5rem;
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.service-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.service-link {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.service-link:hover {
  color: var(--text-primary);
}

.card-glow {
  position: absolute;
  width: 100px;
  height: 100px;
  background: var(--accent-primary);
  filter: blur(60px);
  opacity: 0;
  transition: var(--transition);
  border-radius: 50%;
  top: -50px;
  right: -50px;
}

.service-card:hover .card-glow {
  opacity: 0.2;
}

/* Gallery Grid (Bento/Masonry like layout) */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 300px;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.gallery-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  display: block;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  filter: brightness(0.85);
}

.gallery-item:hover img {
  transform: scale(1.08);
  filter: brightness(1) contrast(1.1);
}

.wide-item {
  grid-column: span 2;
}

.tall-item {
  grid-row: span 2;
}

.gallery-hover {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 14, 20, 0.95), transparent);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}

.gallery-item:hover .gallery-hover {
  opacity: 1;
  transform: translateY(0);
}

.gallery-hover h4 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.gallery-hover p {
  color: var(--accent-primary);
  font-size: 0.9rem;
  font-weight: 500;
}

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

/* About Section */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: 20px;
}

.about-img {
  border-radius: 20px;
  border: 1px solid var(--border-glass);
}

.experience-badge {
  position: absolute;
  bottom: -30px;
  right: -30px;
  padding: 2rem;
  text-align: center;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.badge-num {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.badge-text {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.feature-list {
  list-style: none;
  margin-top: 2rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 500;
}

.feature-icon {
  width: 28px;
  height: 28px;
  background: rgba(255, 90, 0, 0.1);
  color: var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  border: 1px solid rgba(255, 90, 0, 0.3);
}

/* CTA Banner */
.cta-banner {
  padding: 2rem 0;
}

.cta-container {
  text-align: center;
  padding: 5rem 2rem;
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: var(--accent-primary);
  filter: blur(100px);
  opacity: 0.15;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 0;
}

.cta-container h2,
.cta-container p,
.cta-container div {
  position: relative;
  z-index: 1;
}

.cta-container h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-container p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
}

.contact-icon {
  font-size: 2rem;
}

.contact-details h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.contact-details p {
  color: var(--text-secondary);
}

.contact-subtext {
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.contact-form-wrapper {
  padding: 3rem;
}

.form-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-glass);
  border-radius: 6px;
  padding: 1rem;
  color: var(--text-primary);
  font-family: var(--font-primary);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(0, 0, 0, 0.4);
}

textarea.form-control {
  resize: vertical;
}

/* Footer Section */
.footer {
  background: #06080b;
  padding: 5rem 0 2rem;
  border-top: 1px solid var(--border-glass);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-desc {
  color: var(--text-secondary);
  margin: 1.5rem 0;
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.social-link:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.footer-heading {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

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

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Animation Classes Used by JS Observer */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  .hero-container {
    gap: 2rem;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .wide-item {
    grid-column: auto;
  }
  .about-container {
    grid-template-columns: 1fr;
  }
  .experience-badge {
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(11, 14, 20, 0.95);
    backdrop-filter: blur(20px);
    padding: 2rem;
    transform: translateY(-150%);
    transition: var(--transition);
    z-index: 99;
    border-bottom: 1px solid var(--border-glass);
  }

  .nav.nav-open {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }

  .nav-btn {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }

  .menu-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin: 0 auto 2rem;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-visual {
    display: none;
  }

  .badge {
    margin: 0 auto 1.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer {
    padding: 3rem 0 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
    margin-bottom: 2rem;
  }
  .social-links {
    justify-content: center;
    margin-top: 1rem;
  }
  .footer-desc {
    margin: 1rem auto;
  }
  .footer-links {
    margin-top: 1rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    padding-top: 1.5rem;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 250px;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .cta-buttons {
    flex-direction: column;
  }
  .hero-actions {
    flex-direction: column;
  }
  .stat-num {
    font-size: 2rem;
  }
}