:root {
      --primary: #00bcd4;
      --primary-dark: #0284c7;
      --accent: #fbbf24;
      --secondary: #06202b;
      --secondary-soft: #103746;
      --text: #334155;
      --muted: #64748b;
      --light: #f8fafc;
      --white: #ffffff;
      --border: #e2e8f0;
      --success: #16a34a;
      --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
      --radius: 24px;
      --container: 1180px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Inter", sans-serif;
      color: var(--text);
      background: var(--white);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    a {
      text-decoration: none;
      color: inherit;
    }

    ul {
      list-style: none;
    }

    .container {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .section {
      padding: 100px 0;
    }

    .section.light {
      background: var(--light);
    }

    .eyebrow {
      display: inline-flex;
      gap: 8px;
      align-items: center;
      color: var(--primary-dark);
      font-weight: 800;
      font-size: 0.78rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 14px;
    }

    .eyebrow::before {
      content: "";
      width: 34px;
      height: 3px;
      background: var(--primary);
      border-radius: 999px;
    }

    .section-title {
      color: var(--secondary);
      font-size: clamp(2rem, 4vw, 3.2rem);
      line-height: 1.08;
      letter-spacing: -0.05em;
      margin-bottom: 16px;
    }

    .section-text {
      color: var(--muted);
      max-width: 680px;
      font-size: 1.04rem;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      gap: 32px;
      align-items: end;
      margin-bottom: 48px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 15px 22px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 800;
      transition: 0.25s ease;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #111827;
      box-shadow: 0 16px 35px rgba(245, 158, 11, 0.32);
    }

    .btn-primary:hover {
      background: #fbbf24;
      transform: translateY(-2px);
    }

    .btn-outline {
      color: var(--white);
      border-color: rgba(255, 255, 255, 0.35);
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(10px);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      background: rgba(245, 158, 11, 0.14);
      transform: translateY(-2px);
    }

    .btn-dark {
      background: var(--secondary);
      color: var(--white);
    }

    .btn-dark:hover {
      transform: translateY(-2px);
      background: #020617;
    }

    /* Header */
    .topbar {
      background: var(--secondary);
      color: rgba(255, 255, 255, 0.78);
      font-size: 0.86rem;
      padding: 10px 0;
    }

    .topbar-inner {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      align-items: center;
    }

    .topbar-links,
    .topbar-social {
      display: flex;
      gap: 20px;
      align-items: center;
      flex-wrap: wrap;
    }

    .topbar i {
      color: var(--primary);
      margin-right: 7px;
    }

    .navbar {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.85);
    }

    .nav-inner {
      height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--secondary);
      min-width: 190px;
    }

    .logo-img {
      width: 178px;
      height: auto;
      max-height: 52px;
      object-fit: contain;
    }

    .logo-symbol {
      width: 52px;
      height: 52px;
      object-fit: contain;
    }

    .footer .logo-img {
      filter: invert(1);
      width: 190px;
    }

    .footer .logo-symbol {
      filter: invert(1);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      font-weight: 800;
      font-size: 0.93rem;
      color: var(--secondary);
    }

    .nav-menu a {
      position: relative;
      transition: color 0.2s ease;
    }

    .nav-menu a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -7px;
      width: 0;
      height: 3px;
      background: var(--primary);
      border-radius: 999px;
      transition: width 0.25s ease;
    }

    .nav-menu a:hover::after {
      width: 100%;
    }

    .menu-toggle {
      display: none;
      border: 0;
      background: var(--secondary);
      color: var(--white);
      width: 46px;
      height: 46px;
      border-radius: 14px;
      font-size: 1.15rem;
      cursor: pointer;
    }

    /* Hero */
    .hero {
      min-height: calc(100vh - 118px);
      display: grid;
      align-items: center;
      position: relative;
      color: var(--white);
      overflow: hidden;
      background: var(--secondary);
      isolation: isolate;
    }

    .hero-bg {
      position: absolute;
      inset: -10% 0;
      z-index: -2;
      background-image: url("https://images.unsplash.com/photo-1649807533255-bbc9c9fb7d77?auto=format&fit=crop&w=2200&q=90");
      background-size: cover;
      background-position: center;
      transform: translate3d(0, 0, 0) scale(1.08);
      will-change: transform;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(6, 32, 43, 0.9), rgba(6, 32, 43, 0.56)),
        radial-gradient(circle at 18% 18%, rgba(0, 188, 212, 0.24), transparent 28%),
        radial-gradient(circle at 82% 22%, rgba(251, 191, 36, 0.16), transparent 24%),
        linear-gradient(180deg, transparent 70%, rgba(6, 32, 43, 0.92));
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.1fr 0.7fr;
      gap: 60px;
      align-items: center;
      padding: 96px 0;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 9px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(12px);
      font-weight: 800;
      color: #fde68a;
      margin-bottom: 24px;
    }

    .hero h1 {
      font-size: clamp(3rem, 7vw, 6.6rem);
      line-height: 0.92;
      letter-spacing: -0.08em;
      margin-bottom: 24px;
      max-width: 880px;
    }

    .hero h1 span {
      color: var(--primary);
    }

    .hero p {
      font-size: clamp(1rem, 2vw, 1.25rem);
      color: rgba(255, 255, 255, 0.78);
      max-width: 690px;
      margin-bottom: 32px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 46px;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      max-width: 780px;
    }

    .hero-point {
      padding: 18px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.14);
      backdrop-filter: blur(16px);
    }

    .hero-point strong {
      color: var(--white);
      display: block;
      font-size: 1.06rem;
      margin-bottom: 4px;
    }

    .hero-point small {
      color: rgba(255, 255, 255, 0.66);
    }

    .hero-card {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 32px;
      padding: 18px;
      backdrop-filter: blur(16px);
      box-shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
      animation: floatCard 5s ease-in-out infinite;
    }

    @keyframes floatCard {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-14px); }
    }

    .hero-card img {
      height: 340px;
      width: 100%;
      object-fit: cover;
      border-radius: 24px;
    }

    .hero-card-info {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px 6px 4px;
    }

    .hero-card-info h3 {
      color: var(--white);
      line-height: 1.2;
      font-size: 1.35rem;
      margin-bottom: 6px;
    }

    .hero-card-info p {
      margin: 0;
      font-size: 0.92rem;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      background: rgba(22, 163, 74, 0.18);
      color: #bbf7d0;
      border: 1px solid rgba(187, 247, 208, 0.24);
      border-radius: 999px;
      font-weight: 800;
      white-space: nowrap;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: #22c55e;
      box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.2);
    }

    /* Stats */
    .stats-wrap {
      margin-top: -60px;
      position: relative;
      z-index: 5;
    }

    .stats-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 30px;
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      overflow: hidden;
    }

    .stat {
      padding: 34px;
      border-right: 1px solid var(--border);
    }

    .stat:last-child {
      border-right: 0;
    }

    .stat h3 {
      color: var(--secondary);
      font-size: 2.5rem;
      line-height: 1;
      letter-spacing: -0.05em;
      margin-bottom: 8px;
    }

    .stat p {
      color: var(--muted);
      font-weight: 700;
    }

    /* About */
    .about-grid {
      display: grid;
      grid-template-columns: 0.9fr 1fr;
      gap: 70px;
      align-items: center;
    }

    .about-images {
      position: relative;
      min-height: 570px;
    }

    .about-images .main-img {
      height: 500px;
      width: 82%;
      object-fit: cover;
      border-radius: 34px;
      box-shadow: var(--shadow);
    }

    .about-images .small-img {
      position: absolute;
      right: 0;
      bottom: 0;
      width: 48%;
      height: 280px;
      object-fit: cover;
      border-radius: 28px;
      border: 10px solid var(--white);
      box-shadow: var(--shadow);
    }

    .experience-box {
      position: absolute;
      left: 26px;
      bottom: 52px;
      background: var(--primary);
      color: var(--secondary);
      border-radius: 24px;
      padding: 22px;
      box-shadow: 0 22px 50px rgba(245, 158, 11, 0.32);
    }

    .experience-box strong {
      display: block;
      font-size: 2.4rem;
      line-height: 1;
      letter-spacing: -0.06em;
    }

    .about-list {
      margin: 28px 0;
      display: grid;
      gap: 16px;
    }

    .about-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      color: var(--secondary);
      font-weight: 700;
    }

    .about-list i {
      color: var(--success);
      margin-top: 5px;
    }

    /* Services */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 34px;
      transition: 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .service-card::after {
      content: "";
      position: absolute;
      inset: auto -40px -60px auto;
      width: 150px;
      height: 150px;
      border-radius: 999px;
      background: rgba(245, 158, 11, 0.12);
      transition: 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow);
      border-color: rgba(245, 158, 11, 0.45);
    }

    .service-card:hover::after {
      transform: scale(1.35);
    }

    .service-icon {
      width: 62px;
      height: 62px;
      border-radius: 20px;
      background: #fff7ed;
      color: var(--primary-dark);
      display: grid;
      place-items: center;
      font-size: 1.45rem;
      margin-bottom: 24px;
    }

    .service-card h3 {
      color: var(--secondary);
      font-size: 1.35rem;
      margin-bottom: 12px;
      letter-spacing: -0.03em;
    }

    .service-card p {
      color: var(--muted);
      position: relative;
      z-index: 1;
    }

    /* Equipment */
    .equipment {
      background:
        linear-gradient(90deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.82)),
        url("https://images.unsplash.com/photo-1590940836209-70216d550314?auto=format&fit=crop&w=1800&q=85") center/cover fixed;
      color: var(--white);
    }

    .equipment .section-title,
    .equipment .section-text {
      color: var(--white);
    }

    .equipment .section-text {
      color: rgba(255, 255, 255, 0.72);
    }

    .equipment-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .equipment-item {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 24px;
      padding: 26px;
      backdrop-filter: blur(10px);
      transition: 0.25s ease;
    }

    .equipment-item:hover {
      transform: translateY(-6px);
      background: rgba(245, 158, 11, 0.12);
      border-color: rgba(245, 158, 11, 0.35);
    }

    .equipment-item i {
      color: var(--primary);
      font-size: 2rem;
      margin-bottom: 18px;
    }

    .equipment-item h3 {
      font-size: 1.14rem;
      margin-bottom: 8px;
    }

    .equipment-item p {
      color: rgba(255, 255, 255, 0.66);
      font-size: 0.94rem;
    }

    /* Projects */
    .project-filter {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .filter-btn {
      border: 1px solid var(--border);
      background: var(--white);
      padding: 11px 16px;
      border-radius: 999px;
      font-weight: 800;
      color: var(--secondary);
      cursor: pointer;
      transition: 0.2s ease;
    }

    .filter-btn.active,
    .filter-btn:hover {
      background: var(--secondary);
      color: var(--white);
      border-color: var(--secondary);
    }

    .projects-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .project-card {
      position: relative;
      border-radius: 28px;
      overflow: hidden;
      min-height: 360px;
      background: var(--secondary);
      cursor: pointer;
    }

    .project-card img {
      width: 100%;
      height: 100%;
      min-height: 360px;
      object-fit: cover;
      transition: 0.45s ease;
      opacity: 0.88;
    }

    .project-card:hover img {
      transform: scale(1.08);
      opacity: 0.58;
    }

    .project-content {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      padding: 28px;
      color: var(--white);
      background: linear-gradient(180deg, transparent, rgba(2, 6, 23, 0.92));
    }

    .project-tag {
      display: inline-flex;
      background: var(--primary);
      color: var(--secondary);
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 0.78rem;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .project-content h3 {
      font-size: 1.45rem;
      letter-spacing: -0.04em;
      margin-bottom: 6px;
    }

    .project-content p {
      color: rgba(255, 255, 255, 0.72);
    }

    /* Process */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }

    .process-card {
      padding: 30px;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: var(--white);
      position: relative;
    }

    .process-number {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      background: var(--secondary);
      color: var(--primary);
      display: grid;
      place-items: center;
      font-weight: 900;
      margin-bottom: 22px;
    }

    .process-card h3 {
      color: var(--secondary);
      margin-bottom: 10px;
      letter-spacing: -0.03em;
    }

    .process-card p {
      color: var(--muted);
      font-size: 0.95rem;
    }

    /* CTA */
    .cta {
      padding: 90px 0;
      background:
        radial-gradient(circle at 20% 10%, rgba(245, 158, 11, 0.3), transparent 30%),
        linear-gradient(135deg, var(--secondary), #020617);
      color: var(--white);
    }

    .cta-box {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 32px;
      align-items: center;
    }

    .cta h2 {
      font-size: clamp(2rem, 4vw, 3.8rem);
      line-height: 1.05;
      letter-spacing: -0.06em;
      max-width: 850px;
      margin-bottom: 14px;
    }

    .cta p {
      color: rgba(255, 255, 255, 0.72);
      max-width: 720px;
      font-size: 1.08rem;
    }

    /* Safety */
    .safety-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .safety-card {
      display: flex;
      gap: 18px;
      padding: 22px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 22px;
      margin-bottom: 16px;
    }

    .safety-card i {
      width: 46px;
      height: 46px;
      border-radius: 15px;
      background: #ecfdf5;
      color: var(--success);
      display: grid;
      place-items: center;
      flex-shrink: 0;
    }

    .safety-card h3 {
      color: var(--secondary);
      margin-bottom: 5px;
    }

    .safety-card p {
      color: var(--muted);
      font-size: 0.95rem;
    }

    .safety-img {
      height: 560px;
      object-fit: cover;
      border-radius: 34px;
      box-shadow: var(--shadow);
    }

    /* Testimonials */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 32px;
    }

    .stars {
      color: var(--primary);
      margin-bottom: 20px;
    }

    .testimonial-card p {
      color: var(--text);
      font-weight: 500;
      margin-bottom: 24px;
    }

    .client {
      display: flex;
      gap: 14px;
      align-items: center;
    }

    .client img {
      width: 52px;
      height: 52px;
      border-radius: 999px;
      object-fit: cover;
    }

    .client h4 {
      color: var(--secondary);
      line-height: 1.2;
    }

    .client span {
      color: var(--muted);
      font-size: 0.88rem;
    }

    /* Team */
    .team-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .team-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 28px;
      overflow: hidden;
      transition: 0.25s ease;
    }

    .team-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow);
    }

    .team-card img {
      height: 270px;
      width: 100%;
      object-fit: cover;
    }

    .team-info {
      padding: 24px;
    }

    .team-info h3 {
      color: var(--secondary);
      letter-spacing: -0.03em;
      margin-bottom: 4px;
    }

    .team-info p {
      color: var(--primary-dark);
      font-weight: 800;
      font-size: 0.92rem;
      margin-bottom: 16px;
    }

    .team-social {
      display: flex;
      gap: 10px;
    }

    .team-social a {
      width: 36px;
      height: 36px;
      border-radius: 999px;
      background: var(--light);
      color: var(--secondary);
      display: grid;
      place-items: center;
      transition: 0.2s ease;
    }

    .team-social a:hover {
      background: var(--primary);
      transform: translateY(-2px);
    }

    /* Partners */
    .partners {
      padding: 50px 0;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .partner-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      align-items: center;
    }

    .partner {
      min-height: 90px;
      display: grid;
      place-items: center;
      border: 1px solid var(--border);
      border-radius: 20px;
      color: var(--muted);
      font-weight: 900;
      background: var(--white);
    }

    /* Contact */
    .contact-grid {
      display: grid;
      grid-template-columns: 0.85fr 1.15fr;
      gap: 36px;
      align-items: start;
    }

    .contact-info {
      background: var(--secondary);
      color: var(--white);
      border-radius: 32px;
      padding: 38px;
      position: sticky;
      top: 110px;
      overflow: hidden;
    }

    .contact-info::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -70px;
      width: 220px;
      height: 220px;
      border-radius: 999px;
      background: rgba(245, 158, 11, 0.18);
    }

    .contact-info h3 {
      font-size: 2rem;
      letter-spacing: -0.05em;
      margin-bottom: 12px;
    }

    .contact-info > p {
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 28px;
    }

    .contact-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      margin-bottom: 22px;
      position: relative;
      z-index: 1;
    }

    .contact-item i {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(245, 158, 11, 0.15);
      color: var(--primary);
      display: grid;
      place-items: center;
      flex-shrink: 0;
    }

    .contact-item strong {
      display: block;
      margin-bottom: 3px;
    }

    .contact-item span {
      color: rgba(255, 255, 255, 0.7);
    }

    .contact-form {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 32px;
      padding: 38px;
      box-shadow: var(--shadow);
    }

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

    .field {
      display: grid;
      gap: 8px;
      margin-bottom: 18px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    label {
      color: var(--secondary);
      font-weight: 800;
      font-size: 0.9rem;
    }

    input,
    select,
    textarea {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 15px 16px;
      font: inherit;
      color: var(--secondary);
      background: var(--light);
      outline: none;
      transition: 0.2s ease;
    }

    input:focus,
    select:focus,
    textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.13);
      background: var(--white);
    }

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

    /* Footer */
    .footer {
      background: #020617;
      color: rgba(255, 255, 255, 0.72);
      padding: 70px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr repeat(3, 1fr);
      gap: 38px;
      margin-bottom: 46px;
    }

    .footer .logo {
      color: var(--white);
      margin-bottom: 18px;
    }

    .footer h3 {
      color: var(--white);
      margin-bottom: 18px;
      font-size: 1.08rem;
    }

    .footer p {
      max-width: 360px;
    }

    .footer-links {
      display: grid;
      gap: 11px;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    .footer-social {
      display: flex;
      gap: 10px;
    }

    .footer-social a {
      width: 40px;
      height: 40px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: rgba(255, 255, 255, 0.08);
      color: var(--white);
      transition: 0.2s ease;
    }

    .footer-social a:hover {
      background: var(--primary);
      color: var(--secondary);
      transform: translateY(-2px);
    }

    /* Floating Buttons */
    .floating-actions {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 1200;
      display: grid;
      gap: 10px;
    }

    .float-btn {
      width: 54px;
      height: 54px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: var(--white);
      box-shadow: 0 16px 35px rgba(0,0,0,0.18);
      transition: 0.25s ease;
    }

    .float-btn:hover {
      transform: translateY(-3px) scale(1.04);
    }

    .whatsapp { background: #25D366; }
    .to-top { background: var(--secondary); }

    /* Reveal Animation */
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: 0.7s ease;
    }

    .reveal.active {
      opacity: 1;
      transform: translateY(0);
    }

    /* Responsive */
    @media (max-width: 1050px) {
      .hero-grid,
      .about-grid,
      .safety-grid,
      .contact-grid,
      .cta-box {
        grid-template-columns: 1fr;
      }

      .hero-card {
        max-width: 560px;
      }

      .services-grid,
      .projects-grid,
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .equipment-grid,
      .process-grid,
      .team-grid {
        grid-template-columns: repeat(2, 1fr);
      }

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

      .contact-info {
        position: relative;
        top: auto;
      }
    }

    @media (max-width: 820px) {
      .topbar {
        display: none;
      }

      .nav-menu {
        position: fixed;
        top: 78px;
        left: 16px;
        right: 16px;
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: 24px;
        box-shadow: var(--shadow);
        display: grid;
        padding: 22px;
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
        transition: 0.25s ease;
      }

      .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
      }

      .menu-toggle {
        display: grid;
        place-items: center;
      }

      .nav-cta {
        display: none;
      }

      .hero {
        min-height: auto;
      }

      .hero-bg {
        inset: 0;
        transform: none !important;
        background-position: center top;
      }

      .hero-grid {
        padding: 70px 0;
      }

      .hero-points,
      .stats-card,
      .partner-grid {
        grid-template-columns: 1fr 1fr;
      }

      .stat:nth-child(2) {
        border-right: 0;
      }

      .stat:nth-child(1),
      .stat:nth-child(2) {
        border-bottom: 1px solid var(--border);
      }

      .section {
        padding: 76px 0;
      }

      .section-head {
        display: block;
      }

      .section-head .project-filter,
      .section-head .btn {
        margin-top: 24px;
      }
    }

    @media (max-width: 620px) {
      .nav-inner {
        height: 70px;
      }

      .logo {
        min-width: auto;
      }

      .logo-img {
        width: 145px;
        max-height: 44px;
      }

      .nav-menu {
        top: 70px;
      }

      .hero-grid {
        padding: 52px 0 72px;
      }

      .hero-card {
        animation: none;
      }

      .hero-card-info {
        grid-template-columns: 1fr;
      }

      .btn {
        width: 100%;
      }

      .hero-actions {
        display: grid;
      }

      .hero h1 {
        font-size: 3.25rem;
      }

      .hero-points,
      .stats-card,
      .services-grid,
      .projects-grid,
      .equipment-grid,
      .process-grid,
      .testimonials-grid,
      .team-grid,
      .footer-grid,
      .partner-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .stat {
        border-right: 0;
        border-bottom: 1px solid var(--border);
      }

      .stat:last-child {
        border-bottom: 0;
      }

      .about-images {
        min-height: auto;
      }

      .about-images .main-img,
      .about-images .small-img {
        width: 100%;
        height: 330px;
        position: relative;
        right: auto;
        bottom: auto;
        border: 0;
        margin-bottom: 16px;
      }

      .experience-box {
        position: relative;
        left: auto;
        bottom: auto;
        margin-bottom: 16px;
      }

      .project-card,
      .project-card img {
        min-height: 320px;
      }

      .contact-form,
      .contact-info {
        padding: 28px;
      }

      .footer-bottom {
        display: grid;
      }
    }