:root {
  --bg-primary: #090b10;
  --bg-secondary: #10151d;
  --bg-card: #141a24;
  --bg-card-hover: #1a2230;
  --text-primary: #f2f6ff;
  --text-secondary: #b6c0cf;
  --accent: #2d78ff;
  --accent-soft: #74a4ff;
  --line: rgba(180, 194, 216, 0.2);
  --radius: 16px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 20% -10%, rgba(45, 120, 255, 0.28), transparent 40%),
    radial-gradient(circle at 85% 10%, rgba(255, 255, 255, 0.08), transparent 30%),
    linear-gradient(160deg, #07090d 0%, #0d131c 55%, #0a1017 100%);
  line-height: 1.55;
}

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

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

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.section-head {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-head h2 {
  font-family: "Sora", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.55rem);
  line-height: 1.2;
  margin: 0 0 12px;
}

.section-head p {
  color: var(--text-secondary);
  margin: 0;
}

.section-tag {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(8, 11, 16, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(180, 194, 216, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 12px;
}

.brand-logo {
  width: 90px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.main-nav a {
  color: #d7e0f1;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.25s ease;
}

.main-nav a:hover {
  color: #fff;
}

.main-nav .nav-cta {
  margin-left: 4px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: #fff;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  border: 1px solid transparent;
  background: linear-gradient(135deg, #2d78ff 0%, #76a8ff 100%);
  color: #061226;
  box-shadow: 0 8px 30px rgba(45, 120, 255, 0.45);
}

.btn-outline {
  border: 1px solid rgba(170, 188, 216, 0.45);
  background: rgba(255, 255, 255, 0.02);
  color: #edf3ff;
}

.hero {
  position: relative;
  padding: 162px 0 100px;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(to bottom, rgba(5, 8, 13, 0.35), rgba(5, 8, 13, 0.65)),
    url("assets/hero-industrial.svg") center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 30%, rgba(45, 120, 255, 0.24), transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08), transparent 35%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 760px;
}

.hero-kicker {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #b7ceff;
  font-size: 0.78rem;
}

.hero h1 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 1.02;
}

.hero p {
  margin: 16px 0 0;
  color: #d5def0;
  font-size: clamp(1.04rem, 2vw, 1.22rem);
  max-width: 650px;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.service-card,
.portfolio-card,
.safety-item {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card,
.service-card,
.safety-item {
  padding: 24px;
}

.card h3,
.service-card h3,
.portfolio-body h3,
.safety-item h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.card p,
.service-card p,
.portfolio-body p,
.safety-item p {
  margin: 0;
  color: var(--text-secondary);
}

.service-card {
  min-height: 180px;
}

.portfolio-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.portfolio-card {
  overflow: hidden;
}

.portfolio-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.portfolio-body {
  padding: 18px 18px 20px;
}

.text-link {
  display: inline-flex;
  margin-top: 14px;
  color: #9ec0ff;
  font-weight: 700;
}

.safety-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.client-list {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.client-list span {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  text-align: center;
  color: #d6deec;
  background: rgba(255, 255, 255, 0.02);
  font-weight: 600;
}

.cta-section {
  padding: 36px 0 24px;
}

.cta-inner {
  border: 1px solid rgba(145, 176, 230, 0.4);
  border-radius: 22px;
  padding: clamp(26px, 5vw, 42px);
  text-align: center;
  background:
    radial-gradient(circle at 15% 30%, rgba(45, 120, 255, 0.35), transparent 30%),
    linear-gradient(145deg, rgba(15, 23, 34, 0.9), rgba(17, 26, 39, 0.88));
}

.cta-inner h2 {
  margin: 0 0 18px;
  font-family: "Sora", sans-serif;
}

.contact-layout {
  display: grid;
  gap: 22px;
  grid-template-columns: 1.05fr 1fr;
}

.contact-info ul,
.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-info li {
  margin-bottom: 10px;
  color: #d9e1ef;
}

.contact-info a {
  color: #a8c7ff;
}

.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  padding: 24px;
  display: grid;
  gap: 10px;
}

.contact-form label {
  font-weight: 600;
  font-size: 0.92rem;
  color: #d6e1f4;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid rgba(153, 175, 210, 0.35);
  border-radius: 10px;
  background: rgba(10, 14, 20, 0.9);
  color: #fff;
  padding: 12px 14px;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(116, 164, 255, 0.65);
  outline-offset: 1px;
}

.form-feedback {
  margin: 2px 0 0;
  min-height: 22px;
  color: #9ec0ff;
  font-weight: 600;
}

.site-footer {
  margin-top: 24px;
  border-top: 1px solid rgba(183, 198, 220, 0.2);
  background: rgba(6, 9, 13, 0.95);
}

.footer-grid {
  padding: 58px 0 34px;
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr 1fr;
  gap: 24px;
}

.footer-logo {
  width: 88px;
  margin-bottom: 10px;
}

.site-footer h3 {
  margin: 0 0 10px;
  font-family: "Sora", sans-serif;
  font-size: 1rem;
}

.site-footer li {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(183, 198, 220, 0.16);
  text-align: center;
  padding: 16px;
  color: #95a6c4;
  font-size: 0.92rem;
}

.whatsapp-float {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 998;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(145deg, #2dd965, #18b44f);
  border: 1px solid rgba(255, 255, 255, 0.32);
  box-shadow: 0 12px 30px rgba(17, 140, 53, 0.45);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.whatsapp-float img {
  width: 33px;
  height: auto;
  display: block;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.card:hover,
.service-card:hover,
.portfolio-card:hover,
.safety-item:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  transition: transform 0.25s ease, background-color 0.25s ease;
}

@media (max-width: 1080px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .safety-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    top: 79px;
    right: 1rem;
    left: 1rem;
    border: 1px solid rgba(158, 186, 232, 0.25);
    border-radius: 16px;
    background: rgba(7, 11, 17, 0.98);
    display: grid;
    padding: 14px;
    gap: 8px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

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

  .main-nav .nav-cta {
    margin-left: 0;
    margin-top: 4px;
  }

  .hero {
    min-height: 70vh;
  }

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

  .client-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding: 128px 0 82px;
  }

  .grid-4,
  .portfolio-grid,
  .safety-grid,
  .footer-grid,
  .client-list {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }
}