:root {
  --ink: #07131f;
  --navy: #0e2238;
  --steel: #20364d;
  --line: #d9e2ec;
  --muted: #657386;
  --paper: #f4f7fa;
  --white: #ffffff;
  --accent: #ffbe2e;
  --accent-dark: #d89400;
  --green: #25d366;
  --radius: 8px;
  --shadow: 0 18px 55px rgba(7, 19, 31, 0.14);
  --transition: all 0.25s ease;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
}
a {
  transition: var(--transition);
}
h1,
h2,
h3,
h4,
h5,
h6 {
  letter-spacing: 0;
}

.section-padding {
  padding: 92px 0;
}
.text-accent {
  color: var(--accent) !important;
}

.section-tag,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  margin-bottom: 16px;
}

.section-tag::before,
.eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  background: var(--accent);
}

.section-tag.light,
.eyebrow {
  color: var(--accent);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.05;
  font-weight: 900;
  margin: 0 0 22px;
}

.section-text {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.85;
  max-width: 760px;
}

.section-head {
  max-width: 850px;
  margin-bottom: 42px;
}

.section-head.compact {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head.compact .section-tag {
  justify-content: center;
}

#mainNav {
  background: rgba(7, 19, 31, 0.16);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
}

#mainNav.scrolled {
  background: rgba(7, 19, 31, 0.96);
  padding: 12px 0;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.navbar-brand {
  position: static;
  transform: none;
  margin-right: 28px;
}

.navbar-logo {
  height: 94px;
  width: auto;
  background: #fff;
  border-radius: 4px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 190, 46, 0.55);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22);
}

#mainNav.scrolled .navbar-logo {
  height: 76px;
}

#navMenu {
  justify-content: flex-end;
}

#mainNav .nav-link {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 8px 11px;
}

#mainNav .nav-link:hover,
#mainNav .nav-link.active {
  color: var(--accent);
}

.btn-whatsapp,
.btn-accent,
.btn-outline-light {
  border-radius: 3px;
  font-weight: 900;
  position: relative;
  overflow: hidden;
}

.btn-whatsapp {
  background: var(--green);
  color: #fff;
  border: 0;
  padding: 11px 20px;
  box-shadow: inset 4px 0 0 rgba(255, 255, 255, 0.36);
}

.btn-whatsapp:hover {
  background: #1faa52;
  color: #fff;
}

.btn-accent {
  background: var(--accent);
  color: #211600;
  border: 0;
  padding-left: 24px;
  padding-right: 24px;
  box-shadow: inset 4px 0 0 rgba(7, 19, 31, 0.22);
}

.btn-accent:hover {
  background: var(--accent-dark);
  color: #211600;
  transform: translateY(-2px);
}

.btn-outline-light {
  border-width: 2px;
  box-shadow: inset 4px 0 0 rgba(255, 255, 255, 0.2);
}

.hero-section {
  min-height: 94vh;
  position: relative;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
  padding: 170px 0 80px;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background: url("https://images.unsplash.com/photo-1735571919545-5bbfd52b8f3d?fm=jpg&q=60&w=3000&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxzZWFyY2h8NHx8dG9ycmUlMjBkZSUyMGVuZXJnaWF8ZW58MHx8MHx8fDA%3D")
    center/cover no-repeat;
  transform: scale(1.02);
}

.hero-shade {
  background:
    linear-gradient(
      90deg,
      rgba(7, 19, 31, 0.94) 0%,
      rgba(7, 19, 31, 0.76) 48%,
      rgba(7, 19, 31, 0.38) 100%
    ),
    linear-gradient(0deg, rgba(7, 19, 31, 0.92) 0%, rgba(7, 19, 31, 0) 55%);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-section h1 {
  font-size: clamp(4rem, 12vw, 9.5rem);
  line-height: 0.9;
  font-weight: 900;
  margin: 0 0 22px;
}

.hero-lead {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.65;
  margin-bottom: 30px;
}

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

.command-panel {
  background: rgba(7, 19, 31, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  overflow: hidden;
}

.panel-header {
  display: flex;
  gap: 7px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.panel-header span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}

.panel-line {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  padding: 20px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.panel-line:last-child {
  border-bottom: 0;
}
.panel-line strong {
  color: #fff;
}
.panel-line span {
  color: rgba(255, 255, 255, 0.66);
}

.stats-strip {
  background: var(--accent);
  color: #1d1708;
}

.stat-item {
  padding: 26px 20px;
  border-left: 1px solid rgba(7, 19, 31, 0.18);
}

.stat-item:last-child {
  border-right: 1px solid rgba(7, 19, 31, 0.18);
}

.stat-number {
  display: block;
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 900;
  line-height: 1;
}

.stat-number::after {
  content: "+";
}
.stat-item small {
  display: block;
  margin-top: 6px;
  font-weight: 800;
}

.section-photo {
  position: relative;
  min-height: 540px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.section-photo::after {
  content: "LED.COM";
  position: absolute;
  left: 24px;
  bottom: 18px;
  color: rgba(255, 255, 255, 0.16);
  font-size: 4.8rem;
  font-weight: 900;
  line-height: 1;
}

.section-photo img {
  width: 100%;
  height: 100%;
  min-height: 540px;
  object-fit: cover;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.capability-grid div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.capability-grid i {
  color: var(--accent-dark);
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.capability-grid strong,
.capability-grid span {
  display: block;
}

.capability-grid strong {
  font-size: 1rem;
  margin-bottom: 6px;
}

.capability-grid span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.services-section,
.sectors-section {
  background: var(--paper);
}

.service-list {
  display: grid;
  gap: 12px;
}

.service-row {
  display: grid;
  grid-template-columns: 74px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.service-row:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.service-row > i {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--navy);
  color: var(--accent);
  font-size: 1.35rem;
}

.service-row h3 {
  font-size: 1.25rem;
  font-weight: 900;
  margin: 0 0 8px;
}

.service-row p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}

.service-row a {
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  white-space: nowrap;
}

.sector-card {
  height: 100%;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 35px rgba(7, 19, 31, 0.08);
}

.sector-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.sector-card div {
  padding: 26px;
}
.sector-card i {
  color: var(--accent-dark);
  font-size: 1.7rem;
  margin-bottom: 16px;
}
.sector-card h3 {
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: 10px;
}
.sector-card p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.process-section {
  background: var(--navy);
  color: #fff;
}

.process-section p {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.75;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.timeline div {
  padding: 28px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.timeline span {
  color: var(--accent);
  font-size: 2.4rem;
  line-height: 1;
  font-weight: 900;
}

.timeline h3 {
  font-size: 1.15rem;
  font-weight: 900;
  margin: 14px 0 8px;
}

.timeline p {
  margin: 0;
}

.laudo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.laudo-grid div {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.laudo-grid div:hover {
  background: var(--ink);
  color: #fff;
  transform: translateY(-3px);
}

.laudo-grid i {
  color: var(--accent-dark);
  font-size: 2rem;
  margin-bottom: 18px;
}

.laudo-grid h3 {
  font-size: 1rem;
  font-weight: 900;
  margin-bottom: 10px;
}

.laudo-grid p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0;
}

.laudo-grid div:hover p {
  color: rgba(255, 255, 255, 0.72);
}

.clients-section {
  padding: 92px 0;
  background: linear-gradient(
    90deg,
    #ffffff 0%,
    #ffffff 52%,
    var(--paper) 52%,
    var(--paper) 100%
  );
  overflow: hidden;
}

.clients-showcase {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 46px;
  align-items: center;
}

.clients-copy {
  max-width: 460px;
}

.clients-section h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.08;
  font-weight: 900;
  margin-bottom: 18px;
}

.clients-copy p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
  margin: 0;
}

.clients-logo-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.clients-logo-item {
  min-height: 132px;
  padding: 20px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 10px 28px rgba(7, 19, 31, 0.08);
}

.clients-logo-item:nth-child(1),
.clients-logo-item:nth-child(2) {
  grid-column: span 3;
}

.clients-logo-item:nth-child(3),
.clients-logo-item:nth-child(4),
.clients-logo-item:nth-child(5) {
  grid-column: span 2;
}

.clients-logo-item:nth-child(even) {
  transform: translateY(18px);
}

.clients-logo-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.clients-logo-item img {
  height: 64px;
  max-width: 170px;
  object-fit: contain;
  filter: grayscale(1) opacity(0.72);
}

.clients-logo-item:hover img {
  filter: none;
}

.contact-section {
  padding: 92px 0;
  background:
    linear-gradient(120deg, rgba(7, 19, 31, 0.94), rgba(14, 34, 56, 0.92)),
    url("https://images.unsplash.com/photo-1509390673020-a5b2450e33f1?w=1600&h=1000&fit=crop&auto=format&q=80")
      center/cover no-repeat;
  color: #fff;
}

.contact-shell {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 46px;
  align-items: stretch;
}

.contact-form {
  order: -1;
}

.contact-copy h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.07;
  font-weight: 900;
  margin-bottom: 18px;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.75;
}

.contact-copy ul {
  list-style: none;
  padding: 0;
  margin: 34px 0 0;
}

.contact-copy li {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.78);
}

.contact-copy i {
  color: var(--accent);
}
.contact-copy a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
}
.contact-copy a:hover {
  color: var(--accent);
}

.contact-form {
  padding: 34px;
  background: #fff;
  color: var(--ink);
  border: 1px solid rgba(255, 190, 46, 0.35);
  border-radius: 4px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.form-heading {
  display: grid;
  gap: 6px;
  padding-bottom: 20px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.form-heading span {
  color: var(--accent-dark);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.form-heading strong {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.18;
}

.contact-form .form-label {
  color: var(--steel);
  font-size: 0.86rem;
  font-weight: 800;
}

.contact-form .form-control,
.contact-form .form-select {
  min-height: 50px;
  background: var(--paper);
  border: 1px solid #cfd9e4;
  border-radius: 3px;
  color: var(--ink);
}

.contact-form .form-control::placeholder {
  color: #8290a0;
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
  background: #fff;
  border-color: var(--accent);
  color: var(--ink);
  box-shadow: 0 0 0 0.22rem rgba(255, 190, 46, 0.16);
}

.contact-form .form-select option {
  background: #fff;
  color: var(--ink);
}

.footer {
  background: #050b12;
  color: rgba(255, 255, 255, 0.62);
  padding: 62px 0 0;
}

.footer-logo {
  height: 104px;
  width: auto;
  background: #fff;
  border-radius: var(--radius);
  padding: 8px 13px;
  margin-bottom: 18px;
}

.footer p {
  max-width: 420px;
  line-height: 1.75;
}

.footer h3 {
  color: #fff;
  font-size: 0.92rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.footer a {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  text-decoration: none;
  margin-bottom: 10px;
}

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

.footer-bottom {
  margin-top: 46px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.86rem;
}

.whatsapp-float,
.back-to-top {
  position: fixed;
  right: 24px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  z-index: 999;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.whatsapp-float {
  bottom: 24px;
  width: 58px;
  height: 58px;
  background: var(--green);
  color: #fff;
  font-size: 1.55rem;
}

.whatsapp-float:hover {
  color: #fff;
  transform: translateY(-3px);
}

.back-to-top {
  bottom: 94px;
  width: 42px;
  height: 42px;
  background: var(--accent);
  color: var(--ink);
  opacity: 0;
  visibility: hidden;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 991px) {
  .section-padding,
  .contact-section {
    padding: 68px 0;
  }
  .hero-section {
    min-height: auto;
    padding: 150px 0 62px;
  }
  .command-panel {
    margin-top: 12px;
  }
  .contact-shell {
    grid-template-columns: 1fr;
  }
  .clients-section {
    background: var(--paper);
  }
  .clients-showcase {
    grid-template-columns: 1fr;
  }
  .clients-copy {
    max-width: 680px;
  }
  .laudo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .timeline {
    grid-template-columns: 1fr;
  }
  #mainNav .navbar-collapse {
    background: rgba(7, 19, 31, 0.98);
    padding: 16px;
    margin-top: 12px;
    border-radius: var(--radius);
  }
}

@media (max-width: 767px) {
  .navbar-logo {
    height: 58px;
  }
  .hero-section h1 {
    font-size: clamp(3.4rem, 22vw, 5.4rem);
  }
  .hero-actions .btn {
    width: 100%;
  }
  .panel-line {
    grid-template-columns: 1fr;
    gap: 5px;
  }
  .stat-item {
    border-top: 1px solid rgba(7, 19, 31, 0.18);
  }
  .section-photo,
  .section-photo img {
    min-height: 360px;
  }
  .capability-grid,
  .laudo-grid {
    grid-template-columns: 1fr;
  }
  .clients-logo-grid {
    grid-template-columns: 1fr;
  }
  .clients-logo-item,
  .clients-logo-item:nth-child(1),
  .clients-logo-item:nth-child(2),
  .clients-logo-item:nth-child(3),
  .clients-logo-item:nth-child(4),
  .clients-logo-item:nth-child(5) {
    grid-column: auto;
    transform: none;
  }
  .service-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .service-row a {
    width: max-content;
  }
  .contact-form {
    padding: 22px;
  }
}