:root {
  --ink: #17212b;
  --muted: #5d6976;
  --line: #d8e0e8;
  --paper: #f7f8f9;
  --white: #ffffff;
  --steel: #607080;
  --signal: #f0b429;
  --signal-dark: #c38109;
  --teal: #1f7a7a;
  --green: #2f684e;
  --red: #b84a3d;
  --shadow: 0 18px 45px rgba(21, 33, 43, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.55;
}

button,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) auto auto;
  gap: 18px;
  align-items: center;
  padding: 14px clamp(18px, 4vw, 58px);
  border-bottom: 1px solid rgba(216, 224, 232, 0.82);
  background: rgba(247, 248, 249, 0.93);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--signal), #f6d365 55%, var(--teal));
  color: #111820;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 10px 22px rgba(240, 180, 41, 0.25);
}

.brand strong {
  display: block;
  font-size: 1.12rem;
  letter-spacing: 0;
}

.brand small {
  display: block;
  max-width: 260px;
  color: var(--muted);
  font-size: 0.77rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}

.nav-link,
.primary-action,
.secondary-action {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.nav-link {
  padding: 9px 13px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.is-active {
  background: var(--ink);
  color: var(--white);
}

.language-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.language-picker select {
  min-height: 42px;
  padding: 0 34px 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-weight: 700;
}

main {
  min-height: calc(100vh - 168px);
}

.tab-panel {
  display: none;
  padding: clamp(30px, 5vw, 76px) clamp(18px, 5vw, 72px);
}

.tab-panel.is-active {
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  min-height: min(720px, calc(100vh - 124px));
}

.hero-media {
  min-height: 510px;
  overflow: hidden;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.02)),
    linear-gradient(135deg, #dbe4ea, #eef2f3 42%, #b9c9c6);
  box-shadow: var(--shadow);
}

.tower-scene {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 510px;
  background:
    linear-gradient(155deg, transparent 0 54%, rgba(31, 122, 122, 0.16) 54% 100%),
    repeating-linear-gradient(90deg, rgba(23, 33, 43, 0.04) 0 1px, transparent 1px 92px);
}

.sun {
  position: absolute;
  top: 11%;
  right: 12%;
  width: 126px;
  height: 126px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffe8a1 0 42%, rgba(240, 180, 41, 0.55) 43% 70%, transparent 71%);
}

.mast {
  position: absolute;
  bottom: 14%;
  width: 8px;
  border-radius: 999px;
  background: linear-gradient(180deg, #3a4753, #131b22);
  transform-origin: bottom;
}

.mast::before,
.mast::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 110px;
  height: 6px;
  border-radius: 999px;
  background: #2f3b45;
  transform: translateX(-50%);
}

.mast::before {
  top: 18%;
}

.mast::after {
  top: 36%;
  width: 82px;
}

.mast-one {
  left: 17%;
  height: 64%;
  transform: rotate(-2deg);
}

.mast-two {
  left: 53%;
  height: 78%;
}

.mast-three {
  right: 13%;
  height: 56%;
  transform: rotate(2deg);
}

.wire {
  position: absolute;
  left: -8%;
  width: 116%;
  height: 2px;
  background: rgba(23, 33, 43, 0.5);
  transform-origin: left;
}

.wire-one {
  top: 31%;
  transform: rotate(6deg);
}

.wire-two {
  top: 41%;
  transform: rotate(3deg);
}

.wire-three {
  top: 54%;
  transform: rotate(-4deg);
}

.ground-line {
  position: absolute;
  right: -8%;
  bottom: 12%;
  left: -8%;
  height: 85px;
  background:
    linear-gradient(172deg, transparent 0 34%, rgba(47, 104, 78, 0.62) 35% 100%),
    linear-gradient(90deg, rgba(184, 74, 61, 0.54), rgba(31, 122, 122, 0.38));
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--signal-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(2.35rem, 5.2vw, 5.45rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.65rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
  line-height: 1.25;
}

h4 {
  margin: 0 0 10px;
  font-size: 1rem;
  line-height: 1.25;
}

.hero-copy > p:not(.eyebrow),
.section-intro p,
.safety-layout p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-action,
.secondary-action {
  padding: 12px 18px;
  font-weight: 800;
}

.primary-action {
  background: var(--signal);
  color: #111820;
  box-shadow: 0 12px 26px rgba(240, 180, 41, 0.28);
}

.secondary-action {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
}

.primary-action:hover,
.secondary-action:hover {
  transform: translateY(-2px);
}

.stats-band,
.people-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.stats-band article,
.people-strip article {
  padding: 22px;
  background: var(--white);
}

.stats-band strong {
  display: block;
  font-size: 1.75rem;
  line-height: 1;
}

.stats-band span,
.people-strip span {
  color: var(--muted);
}

.section-intro {
  max-width: 860px;
  margin-bottom: 32px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 278px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 28px rgba(21, 33, 43, 0.06);
}

.service-card p,
.timeline p,
.company-data dd {
  color: var(--muted);
}

.services-expanded {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.service-scope {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 28px rgba(21, 33, 43, 0.06);
}

.service-scope h3 {
  max-width: 960px;
  font-size: clamp(1.55rem, 3vw, 2.55rem);
}

.service-scope p {
  max-width: 1040px;
  color: var(--muted);
  font-size: 1.03rem;
}

.scope-list,
.service-detail-grid,
.service-gallery {
  display: grid;
  gap: 16px;
}

.scope-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.scope-list article,
.service-detail-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.scope-list article {
  min-height: 230px;
  padding: 24px;
}

.scope-list span,
.gallery-card span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--signal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.scope-list p,
.service-detail-grid p,
.gallery-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.service-detail-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-detail-grid article {
  min-height: 230px;
  padding: 22px;
}

.service-gallery {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.gallery-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 28px rgba(21, 33, 43, 0.07);
}

.gallery-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #dbe4ea;
}

.gallery-card div {
  padding: 20px;
}

.icon {
  display: inline-grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin-bottom: 26px;
  border-radius: 8px;
  background: #e7f0ee;
  color: var(--teal);
  font-weight: 800;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.timeline article {
  position: relative;
  min-height: 254px;
  padding: 22px;
  border-left: 4px solid var(--signal);
  border-radius: 8px;
  background: var(--white);
}

.timeline span {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin-bottom: 42px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
}

.safety-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1.14fr);
  gap: clamp(24px, 5vw, 60px);
  align-items: start;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 18px 18px 18px 52px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 14px;
  height: 8px;
  border-bottom: 3px solid var(--green);
  border-left: 3px solid var(--green);
  transform: rotate(-45deg);
}

.company-data {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.company-data div {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.company-data dt {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.company-data dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
}

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

.people-strip strong {
  display: block;
  margin-top: 6px;
  font-size: 1.08rem;
}

.contact-card {
  padding: 30px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
}

.contact-card .eyebrow,
.contact-card span {
  color: #ffd36b;
}

address {
  margin: 22px 0 10px;
  font-style: normal;
  font-size: 1.08rem;
}

.contact-email {
  display: inline-flex;
  margin-bottom: 24px;
  color: #ffd36b;
  font-size: 1.06rem;
  font-weight: 800;
  text-decoration: none;
}

.contact-details {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
}

.contact-details p {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.map-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 11px 15px;
  border-radius: 8px;
  background: var(--signal);
  color: #111820;
  font-weight: 800;
  text-decoration: none;
}

.map-wrap {
  overflow: hidden;
  min-height: 500px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.map-heading {
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--line);
}

.map-heading h3 {
  margin: 0;
}

.map-heading .eyebrow {
  margin-bottom: 8px;
}

.map-wrap iframe {
  display: block;
  width: 100%;
  height: 424px;
  border: 0;
}

.contact-form {
  grid-column: 1 / -1;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-form h3 {
  max-width: 780px;
  margin-bottom: clamp(28px, 5vw, 54px);
  color: #1c1d20;
  font-size: clamp(2.45rem, 5vw, 4.95rem);
  font-weight: 800;
  line-height: 1.08;
  text-transform: uppercase;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px 36px;
  max-width: 880px;
}

.form-grid label {
  display: grid;
  gap: 8px;
}

.form-grid label span {
  color: #22262b;
  font-size: 1.02rem;
}

.form-wide {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid #cfd4d9;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  outline: 0;
}

.contact-form input {
  min-height: 38px;
}

.contact-form textarea {
  min-height: 88px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-bottom-color: var(--signal-dark);
}

.privacy-check {
  display: flex;
  max-width: 580px;
  gap: 12px;
  align-items: flex-start;
  margin-top: 34px;
  color: var(--muted);
  font-size: 1rem;
}

.privacy-check input {
  width: 20px;
  min-width: 20px;
  height: 20px;
  margin-top: 3px;
  accent-color: var(--signal);
}

.privacy-check a {
  color: var(--ink);
  text-decoration: underline;
}

.form-submit {
  min-width: 190px;
  min-height: 68px;
  margin-top: 0;
  border: 0;
  border-radius: 0;
  background: #f47725;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.18s ease, transform 0.18s ease;
}

.form-submit:hover {
  background: #db6416;
  transform: translateY(-2px);
}

.form-submit:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

.form-status {
  min-height: 26px;
  margin: 18px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.form-status.is-success {
  color: var(--green);
}

.form-status.is-error {
  color: var(--red);
}

.privacy-policy {
  max-width: 1040px;
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.privacy-policy h2 {
  margin-bottom: 34px;
}

.privacy-policy section {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.privacy-policy section + section {
  margin-top: 22px;
}

.privacy-policy h3 {
  color: var(--ink);
  font-size: 1.18rem;
}

.privacy-policy p,
.privacy-policy li {
  color: var(--muted);
}

.privacy-policy ol,
.privacy-policy ul {
  display: grid;
  gap: 8px;
  padding-left: 24px;
}

.privacy-policy ol ol {
  margin-top: 8px;
}

.privacy-policy .secondary-action {
  margin-top: 30px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  justify-content: space-between;
  padding: 24px clamp(18px, 4vw, 58px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--white);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    order: 3;
  }

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

  .hero-media {
    min-height: 390px;
    order: 2;
  }

  .tower-scene {
    min-height: 390px;
  }

  .service-grid,
  .scope-list,
  .service-detail-grid,
  .service-gallery,
  .timeline,
  .company-data {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    grid-template-columns: 1fr;
  }

  .language-picker {
    align-items: stretch;
    justify-content: space-between;
  }

  .language-picker select {
    width: 170px;
  }

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

  .nav-link {
    white-space: normal;
  }

  .tab-panel {
    padding: 26px 16px 42px;
  }

  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 2rem;
  }

  .stats-band,
  .people-strip,
  .service-grid,
  .scope-list,
  .service-detail-grid,
  .service-gallery,
  .timeline,
  .company-data {
    grid-template-columns: 1fr;
  }

  .hero-media {
    min-height: 320px;
  }

  .tower-scene {
    min-height: 320px;
  }

  .map-wrap {
    min-height: 0;
  }

  .map-wrap iframe {
    min-height: 340px;
    height: 340px;
  }

  .contact-card {
    padding: 22px;
  }

  .contact-form {
    padding: 26px 20px;
  }

  .contact-form h3 {
    font-size: 2.35rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .privacy-check {
    font-size: 0.95rem;
  }

  .form-submit {
    width: 100%;
  }
}