/* ============= Design tokens ============= */
:root {
  --bg: #ffffff;
  --fg: #0f1524;
  --navy-deep: #0f1a3a;
  --navy: #1a2b5c;
  --navy-light: #3a4a85;
  --orange: #f28c3a;
  --orange-dark: #d97327;
  --steel: #7a8291;
  --muted: #6b7280;
  --border: #e5e7eb;
  --secondary: #f5f6f9;
  --shadow-elegant: 0 20px 50px -20px rgba(15, 26, 58, .3);
  --shadow-cta: 0 10px 30px -10px rgba(242, 140, 58, .45);
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", system-ui, sans-serif;
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

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

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--navy-deep);
  margin: 0
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 700
}

h3 {
  font-size: 1.125rem;
  font-weight: 700
}

p {
  margin: 0
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding-inline: 1.25rem;
  width: 100%
}

@media(min-width:768px) {
  .container {
    padding-inline: 2.5rem
  }
}

@media(min-width:1280px) {
  .container {
    padding-inline: 5rem
  }
}

.section {
  padding: 2.5rem 0 5rem;
  scroll-margin-top: 80px;
}

@media(min-width:768px) {
  .section {
    padding: 3.5rem 0 7rem;
  }
}

@media(min-width:1024px) {
  .section {
    scroll-margin-top: 160px;
  }
}

.bg-secondary {
  background: var(--secondary)
}

.bordered {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border)
}

.text-orange {
  color: var(--orange)
}

.eyebrow {
  font-family: var(--font-display);
  color: var(--orange);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: 1.375rem;
  margin: 0 0 1rem;
  display: block;
}

.lede {
  color: var(--muted);
  font-size: 1.125rem;
  margin: 1rem 0 2rem;
  line-height: 1.7
}

.center {
  text-align: center;
  margin-bottom: 2.5rem
}

.muted {
  color: var(--muted)
}

.muted-light {
  color: rgba(255, 255, 255, .7);
  font-size: .875rem;
  line-height: 1.7;
  max-width: 22rem
}

.section-head {
  max-width: 48rem;
  margin-bottom: 3.5rem
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.5rem;
  border-radius: .5rem;
  font-weight: 600;
  font-size: .95rem;
  transition: all .2s;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center
}

.btn-orange {
  background: var(--orange);
  color: #fff;
  box-shadow: var(--shadow-cta)
}

.btn-orange:hover {
  background: var(--orange-dark)
}

.btn-ghost {
  border-color: rgba(255, 255, 255, .4);
  color: #fff
}

.btn-ghost:hover {
  background: #fff;
  color: var(--navy-deep)
}

.arrow {
  transition: transform .2s
}

.btn:hover .arrow {
  transform: translateX(3px)
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border)
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.25rem
}

@media(min-width:768px) {
  .header-top {
    padding: 1rem 2.5rem
  }
}

@media(min-width:1280px) {
  .header-top {
    padding: 1rem 5rem
  }
}

.logo {
  height: 44px;
  width: auto
}

@media(min-width:768px) {
  .logo {
    height: 72px
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: .75rem
}

.hide-xs {
  display: none
}

@media(min-width:640px) {
  .hide-xs {
    display: inline-flex
  }
}

.hamburger {
  background: var(--navy-deep);
  color: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: .5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .2s
}

.hamburger:hover {
  background: var(--orange)
}

.hamburger svg {
  width: 20px;
  height: 20px
}

@media(min-width:1024px) {
  .hamburger {
    display: none
  }
}

.menu-bar {
  background: var(--navy-deep);
  border-top: 1px solid rgba(255, 255, 255, .1)
}

.desktop-nav {
  display: none
}

@media(min-width:1024px) {
  .desktop-nav {
    display: block
  }
}

.menu-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: center
}

.menu-bar a {
  display: block;
  padding: .85rem 1.5rem;
  color: rgba(255, 255, 255, .9);
  font-size: .875rem;
  font-weight: 600;
  transition: background .2s, color .2s
}

.desktop-nav .menu-inner a {
  border-right: 1px solid rgba(255, 255, 255, .1)
}

.desktop-nav .menu-inner a:last-child {
  border-right: none
}

.menu-bar a:hover {
  background: var(--orange);
  color: #fff
}

.mobile-nav {
  display: flex;
  flex-direction: column
}

.mobile-nav[hidden] {
  display: none
}

.mobile-nav a {
  border-top: 1px solid rgba(255, 255, 255, .1)
}

.mobile-nav a:first-child {
  border-top: none
}

@media(min-width:1024px) {
  .mobile-nav {
    display: none !important
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: 8rem;
  overflow: hidden
}

@media(min-width:768px) {
  .hero {
    padding-top: 10rem
  }
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 26, 58, .95), rgba(15, 26, 58, .8) 45%, rgba(15, 26, 58, .4))
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 5rem 1.25rem
}

@media(min-width:768px) {
  .hero-content {
    padding: 8rem 2.5rem
  }
}

@media(min-width:1280px) {
  .hero-content {
    padding: 8rem 5rem
  }
}

.hero-content>* {
  max-width: 52rem
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  backdrop-filter: blur(6px);
  padding: .4rem 1rem;
  border-radius: 999px;
  color: rgba(255, 255, 255, .9);
  font-size: .75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 1.5rem
}

.chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--orange)
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05
}

.hero-lede {
  margin-top: 1.5rem;
  font-size: 1.15rem;
  color: rgba(255, 255, 255, .8);
  line-height: 1.7;
  max-width: 40rem
}

.hero-cta {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem
}

/* Grids */
.grid-12 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem
}

@media(min-width:1024px) {
  .grid-12 {
    grid-template-columns: repeat(12, 1fr);
    gap: 4rem
  }

  .col-5 {
    grid-column: span 5
  }

  .col-7 {
    grid-column: span 7
  }
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center
}

@media(min-width:1024px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem
  }
}

/* About */
.prose p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1.25rem
}

.tag-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  padding-top: .5rem
}

.tag {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--navy-deep);
  font-weight: 500
}

.check {
  color: var(--orange);
  font-weight: 700
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem
}

@media(min-width:640px) {
  .services-grid {
    grid-template-columns: 1fr 1fr
  }
}

@media(min-width:1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr)
  }
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: .75rem;
  padding: 1.75rem;
  transition: all .3s
}

.service-card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-elegant);
  transform: translateY(-2px)
}

.icon-box {
  width: 48px;
  height: 48px;
  border-radius: .5rem;
  background: var(--navy-deep);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  transition: background .3s
}

.service-card:hover .icon-box {
  background: var(--orange)
}

.service-card h3 {
  color: var(--navy-deep);
  margin-bottom: .75rem
}

.service-card p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.65
}

/* Stats */
.stats-section {
  background: var(--navy-deep);
  position: relative;
  overflow: hidden
}

.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .04;
  background-image: radial-gradient(circle at 1px 1px, #fff 1px, transparent 0);
  background-size: 24px 24px
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 3rem;
  position: relative
}

@media(min-width:1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr)
  }
}

.stat {
  border-left: 2px solid var(--orange);
  padding-left: 1.25rem;
  text-align: left
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  color: #fff;
  line-height: 1
}

.stat-label {
  margin-top: .5rem;
  color: rgba(255, 255, 255, .6);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-weight: 500
}

/* Infrastructure */
.placeholder-box {
  aspect-ratio: 4/3;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: 1rem;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem;
  color: var(--muted)
}

.ph-icon {
  font-size: 4rem;
  opacity: .25;
  margin-bottom: 1rem
}

.infra-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .25rem 1.5rem
}

.infra-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .65rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--navy-deep);
  font-weight: 500
}

.bullet {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--orange);
  flex-shrink: 0
}

/* Marquee */
.marquee-mask {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent)
}

.marquee-track {
  display: flex;
  gap: 4rem;
  white-space: nowrap;
  width: max-content;
  animation: marquee 40s linear infinite
}

.marquee-track>div {
  display: flex;
  align-items: center;
  height: 80px;
  padding: 0 2.5rem;
  flex-shrink: 0
}

.client-logo {
  height: 62px;
  width: auto;
  max-width: 192px;
  object-fit: contain;
  opacity: 1;
  transition: opacity .2s, transform .2s;
  display: block;
}

.client-logo:hover {
  opacity: .85;
  transform: scale(1.5);
}

.client-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: rgba(26, 43, 92, .4);
  letter-spacing: -.02em;
  transition: color .2s;
  white-space: nowrap;
}

.client-name:hover {
  color: var(--navy);
}

@keyframes marquee {
  from {
    transform: translateX(0)
  }

  to {
    transform: translateX(-50%)
  }
}

/* Works */
.works-head {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
  align-items: flex-start
}

@media(min-width:768px) {
  .works-head {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end
  }
}

.works-lede {
  color: var(--muted);
  max-width: 28rem
}

.works-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem
}

@media(min-width:768px) {
  .works-grid {
    grid-template-columns: repeat(3, 1fr)
  }
}


.certificate-card {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: .75rem;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #f7f7f7;
}

.work-card {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: .75rem;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--secondary)
}


.work-card .work-ph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 3.5rem;
  color: rgba(26, 43, 92, .15)
}

.work-card figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.25rem;
  color: #fff;
  background: linear-gradient(to top, rgba(15, 26, 58, .95), rgba(15, 26, 58, .7) 60%, transparent)
}

.work-card figcaption h3 {
  color: #fff;
  font-size: 1.125rem;
  line-height: 1.2
}

.work-card figcaption p.scope {
  color: rgba(255, 255, 255, .8);
  font-size: .875rem;
  margin-top: .25rem
}

.work-card figcaption p.loc {
  color: var(--orange);
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .2em;
  margin-top: .5rem
}

/* Tariff */
.fine-note {
  margin-top: 2rem;
  color: var(--muted);
  font-size: .875rem;
  display: flex;
  align-items: flex-start;
  gap: .5rem
}

.tariff-table {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: .75rem;
  overflow: hidden
}

.tariff-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  border-top: 1px solid var(--border);
  font-size: .9rem
}

.tariff-row:first-child {
  border-top: none
}

.tariff-row .col-item {
  padding: 1rem;
  color: var(--navy-deep);
  font-weight: 500
}

.tariff-row .col-rate {
  padding: 1rem;
  text-align: right;
  color: var(--navy);
  font-weight: 600
}

.tariff-head {
  background: var(--navy-deep);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .75rem;
  font-weight: 600
}

.tariff-head .col-item,
.tariff-head .col-rate {
  color: #fff
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem
}

@media(min-width:1024px) {
  .contact-grid {
    grid-template-columns: 2fr 3fr
  }
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: .75rem;
  padding: 1.75rem
}

.card-navy {
  background: var(--navy-deep);
  color: #fff;
  border-color: transparent
}

.card-navy h3 {
  color: #fff
}

.card-navy p {
  color: rgba(255, 255, 255, .75);
  line-height: 1.7
}

.c-ico {
  font-size: 1.5rem;
  color: var(--orange);
  margin-bottom: 1rem
}

.card h3 {
  margin-bottom: .5rem
}

.card p {
  color: var(--muted)
}

.email-link {
  color: var(--navy);
  word-break: break-all;
  font-weight: 500
}

.email-link:hover {
  color: var(--orange)
}

.contacts-divider {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: grid;
  gap: .75rem;
  font-size: .875rem
}

.contacts-divider strong {
  color: var(--navy-deep)
}

.map-wrap {
  border-radius: .75rem;
  overflow: hidden;
  border: 1px solid var(--border);
  min-height: 500px
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  min-height: 500px;
  border: 0;
  display: block
}

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: #fff
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: 4rem 1.25rem
}

@media(min-width:768px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    padding: 4rem 2.5rem
  }
}

@media(min-width:1280px) {
  .footer-grid {
    padding: 4rem 5rem
  }
}

.footer-logo {
  height: 56px;
  width: auto;
  margin-bottom: 1.25rem;
}

.site-footer h4 {
  color: #fff;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  margin-bottom: 1.25rem
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .75rem
}

.site-footer ul a {
  color: rgba(255, 255, 255, .7);
  font-size: .9rem;
  transition: color .2s
}

.site-footer ul a:hover {
  color: var(--orange)
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1)
}

.fb-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: 1.5rem 0;
  font-size: .75rem;
  color: rgba(255, 255, 255, .5);
  text-align: center
}

@media(min-width:768px) {
  .fb-inner {
    flex-direction: row;
    text-align: left
  }
}