/* ============================================
   ZEAL GLOBAL — Figma design system
   Desktop 1440 | Tablet 768 | Mobile 375
   Spacing: 8px base (8/16/24/32/48/64/80)
   ============================================ */

:root {
  /* Industrial color palette */
  --color-primary: #0A1F44;
  --color-accent: #007BFF;
  --color-highlight: #00C2FF;
  --color-bg-light: #F4F7FB;
  --color-dark: #111827;
  --color-white: #FFFFFF;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing scale (8px base) */
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-80: 80px;

  /* Layout */
  --header-height: 80px;
  --container-max: 100%;
  --container-margin: 80px;
  --grid-gutter: 24px;

  /* Effects */
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-nav: 0 2px 12px rgba(10, 31, 68, 0.08);
  --shadow-card: 0 4px 20px rgba(10, 31, 68, 0.06);
  --shadow-card-hover: 0 12px 32px rgba(10, 31, 68, 0.12);
  --shadow-glow: 0 0 24px rgba(0, 123, 255, 0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark);
  background: var(--color-white);
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* Container: 12-col grid equivalent, 80px margin desktop */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-80);
}

/* ========== Header & Nav (80px height, sticky, background change on scroll) ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: transparent;
  box-shadow: none;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: var(--color-white);
  box-shadow: var(--shadow-nav);
}

.header.scrolled .nav__link {
  color: var(--color-dark);
}

.header.scrolled .nav__link:hover {
  color: var(--color-accent);
}

.header.scrolled .nav__logo {
  color: var(--color-primary);
}

.header:not(.scrolled) .nav__link {
  color: rgba(255, 255, 255, 0.95);
}

.header:not(.scrolled) .nav__link:hover {
  color: var(--color-highlight);
}

.header:not(.scrolled) .nav__logo {
  color: var(--color-white);
}

.header:not(.scrolled) .nav__toggle span {
  background: var(--color-white);
}

.header:not(.scrolled) .nav__cta .btn {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.header:not(.scrolled) .nav__cta .btn:hover {
  background: var(--color-highlight);
  color: var(--color-primary);
  border-color: var(--color-highlight);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.03em;
  transition: color var(--transition);
}

.nav__logo:hover {
  opacity: 0.9;
}

.nav__menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--space-32);
}

.nav__link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.nav__cta {
  margin-left: var(--space-8);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-32);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 8px;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: #3395ff;
  border-color: #3395ff;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow), 0 8px 24px rgba(0, 123, 255, 0.35);
}

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.95);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
  color: var(--color-white);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.btn--full {
  width: 100%;
}

/* ========== Section common ========== */
.section__header {
  text-align: center;
  margin-bottom: var(--space-48);
}

.section__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.section__line {
  width: 56px;
  height: 4px;
  background: var(--color-accent);
  margin: var(--space-16) auto 0;
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(0, 123, 255, 0.4);
}

.section__subtitle {
  margin-top: var(--space-16);
  color: var(--color-gray-600);
  font-size: 1rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========== Hero (cinematic: dark overlay, blur, 60px title, diagonal divider) ========== */
.hero {
  position: relative;
  min-height: clamp(500px, 100vh, 900px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  padding: calc(var(--header-height) + 120px) var(--space-80) var(--space-80);
  background-color: var(--color-primary);
  background-image: url('main-banner.jpeg');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('main-banner.jpeg');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  filter: blur(2px);
  transform: scale(1.02);
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 31, 68, 0.88) 0%, rgba(10, 31, 68, 0.82) 50%, rgba(0, 123, 255, 0.25) 100%);
  z-index: 1;
}

.hero__row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-48);
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero__content {
  flex: 0 0 auto;
  text-align: left;
  max-width: 560px;
  margin-right: auto;
}

.hero__video {
  flex: 0 0 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* Network layout: 5 videos as nodes, connected by wires */
.hero__video-network {
  position: relative;
  max-width: 420px;
  width: 100%;
  aspect-ratio: 1;
}

.hero__video-wires {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero__wire {
  stroke: rgba(0, 194, 255, 0.9);
  stroke-width: 0.06;
  stroke-linecap: round;
}

.hero__video-plus {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    ".     top   ."
    "left  center right"
    ".     bottom .";
  column-gap: 8px;
  row-gap: 8px;
  width: 100%;
  height: 100%;
  min-height: 0;
}

.hero__video-slot--top   { grid-area: top; }
.hero__video-slot--left  { grid-area: left; }
.hero__video-slot--center { grid-area: center; }
.hero__video-slot--right { grid-area: right; }
.hero__video-slot--bottom { grid-area: bottom; }

.hero__video-slot {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 2px solid rgba(0, 194, 255, 0.4);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 0, 0, 0.2);
  min-height: 0;
  min-width: 0;
}

.hero__video-slot--center {
  border-color: rgba(0, 123, 255, 0.7);
  box-shadow: 0 4px 20px rgba(0, 123, 255, 0.25), 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.hero__video-slot video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__video-el {
  width: 100%;
  max-width: 680px;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.25rem, 5vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-white);
  margin-bottom: var(--space-24);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero__subtext {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: var(--space-32);
  line-height: 1.6;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
}

/* Stats row on hero – full page width, pinned to bottom of main banner (overlap with diagonal divider is ok) */
.hero__stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  width: 100%;
  padding: var(--space-28) var(--space-24);
  background: rgba(10, 31, 68, 0.6);
}

.hero__stats .container {
  max-width: none;
  width: 100%;
  padding-left: var(--space-24);
  padding-right: var(--space-24);
}

.hero__stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-16);
  align-items: center;
  width: 100%;
}

.hero__stats .stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__stats .stats__value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  color: var(--color-white);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.hero__stats .stats__number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.hero__stats .stats__suffix {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--color-white);
  margin-left: 2px;
}

.hero__stats .stats__label {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  font-weight: 700;
  margin-top: var(--space-4);
}

.hero__stats .stats__item:nth-child(1) .stats__label { color: #00C2FF; text-shadow: 0 0 12px rgba(0, 194, 255, 0.5); }
.hero__stats .stats__item:nth-child(2) .stats__label { color: #00E676; text-shadow: 0 0 12px rgba(0, 230, 118, 0.5); }
.hero__stats .stats__item:nth-child(3) .stats__label { color: #FFD600; text-shadow: 0 0 12px rgba(255, 214, 0, 0.5); }
.hero__stats .stats__item:nth-child(4) .stats__label { color: #FF6B9D; text-shadow: 0 0 12px rgba(255, 107, 157, 0.5); }

/* Diagonal divider below hero */
.hero__divider {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--color-bg-light);
  clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%);
  z-index: 2;
}

/* ========== About (light gray section) ========== */
.about {
  padding: var(--space-80) 0;
  background: var(--color-bg-light);
  min-height: 500px;
  display: flex;
  align-items: center;
}

.about .section__header {
  text-align: left;
  margin-bottom: var(--space-32);
}

.about .section__line {
  margin-left: 0;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  align-items: center;
}

.about__image {
  aspect-ratio: 4/3;
  background: var(--color-gray-300);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  font-size: 0.875rem;
}

.about__image-shuffle {
  position: absolute;
  inset: 0;
}

.about__image-shuffle img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.about__image-shuffle img.is-active {
  opacity: 1;
  z-index: 1;
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__content {
  font-size: 1rem;
  color: var(--color-gray-700);
}

.about__content p {
  margin-bottom: var(--space-16);
}

.about__content p:last-of-type {
  margin-bottom: var(--space-24);
}

.about__highlights {
  list-style: none;
}

.about__highlights li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
  font-size: 0.9375rem;
  color: var(--color-gray-700);
}

.about__highlights .check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: var(--color-accent);
  border-radius: 50%;
  transition: background var(--transition);
  position: relative;
  margin-top: 2px;
}

.about__highlights .check::after {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* ========== Services (glass cards, left accent, 16px radius, hover lift + top border) ========== */
.services {
  padding: var(--space-80) 0;
  background: var(--color-white);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 123, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 123, 255, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.services .container {
  position: relative;
  z-index: 1;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-24);
}

.service-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 0 var(--space-16);
  row-gap: var(--space-16);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-gray-200);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card:nth-child(1) { background: linear-gradient(135deg, #dbeafe 0%, #e0f2fe 50%, #f0f9ff 100%); }
.service-card:nth-child(2) { background: linear-gradient(135deg, #ccfbf1 0%, #d1fae5 50%, #ecfdf5 100%); }
.service-card:nth-child(3) { background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 50%, #eef2ff 100%); }
.service-card:nth-child(4) { background: linear-gradient(135deg, #fed7aa 0%, #fde68a 50%, #fef3c7 100%); }
.service-card:nth-child(5) { background: linear-gradient(135deg, #fbcfe8 0%, #fce7f3 50%, #fdf2f8 100%); }
.service-card:nth-child(6) { background: linear-gradient(135deg, #a5f3fc 0%, #67e8f9 50%, #cffafe 100%); }

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: var(--color-accent);
  transition: height 0.3s ease;
}

/* Shine sweep on hover */
.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, 0.4) 45%,
    rgba(255, 255, 255, 0.6) 50%,
    rgba(255, 255, 255, 0.4) 55%,
    transparent 100%
  );
  transition: left 0.5s ease;
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(10, 31, 68, 0.14), 0 0 0 1px rgba(0, 123, 255, 0.1);
  border-color: rgba(0, 123, 255, 0.25);
}

.service-card:hover::before {
  height: 4px;
}

.service-card:hover::after {
  left: 100%;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  border-radius: 10px;
  color: var(--color-accent);
  transition: color 0.3s ease, background 0.3s ease, transform 0.3s ease;
  grid-row: 1;
  grid-column: 1;
  align-self: center;
}

.service-card:hover .service-card__icon {
  color: var(--color-highlight);
  background: rgba(0, 194, 255, 0.15);
  transform: scale(1.08);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-primary);
  transition: color 0.3s ease;
  grid-row: 1;
  grid-column: 2;
  align-self: center;
}

.service-card:hover .service-card__title {
  color: var(--color-accent);
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  line-height: 1.55;
  transition: color 0.25s ease;
  grid-row: 2;
  grid-column: 1 / -1;
}

.service-card:hover .service-card__desc {
  color: var(--color-gray-700);
}

/* ========== Our Projects (3-col grid, hover overlay) ========== */
.projects {
  padding: var(--space-80) 0;
  background: var(--color-bg-light);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-24);
}

.project-card {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.project-card__image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.project-card:hover .project-card__image img {
  transform: scale(1.05);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 31, 68, 0.92) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-24);
  color: var(--color-white);
  opacity: 0.85;
  transition: opacity var(--transition);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__type {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: var(--space-8);
}

.project-card__location,
.project-card__year {
  font-size: 0.875rem;
  opacity: 0.95;
}

/* ========== Why Choose Us (dark navy section) ========== */
.why-us {
  padding: var(--space-80) 0;
  background: var(--color-primary);
  color: var(--color-white);
  min-height: 450px;
  display: flex;
  align-items: center;
}

.why-us .section__title {
  color: var(--color-white);
  font-weight: 800;
}

.why-us .section__line {
  background: var(--color-highlight);
}

.why-us__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-32);
  margin-top: var(--space-48);
}

.why-us__item {
  text-align: center;
  padding: var(--space-24);
}

.why-us__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-16);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 194, 255, 0.2);
  border-radius: 12px;
  color: var(--color-highlight);
}

.why-us__icon svg {
  width: 28px;
  height: 28px;
}

.why-us__item h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: var(--space-8);
  color: var(--color-white);
}

.why-us__item p {
  font-size: 0.875rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.88);
}

/* ========== Safety & Quality Commitment ========== */
.safety {
  padding: var(--space-80) 0;
  background: var(--color-white);
}

.safety__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-32);
}

.safety__item {
  text-align: center;
  padding: var(--space-24);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.safety__item:nth-child(1) { background: linear-gradient(135deg, #dbeafe 0%, #e0f2fe 50%, #f0f9ff 100%); }
.safety__item:nth-child(2) { background: linear-gradient(135deg, #ccfbf1 0%, #d1fae5 50%, #ecfdf5 100%); }
.safety__item:nth-child(3) { background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 50%, #eef2ff 100%); }
.safety__item:nth-child(4) { background: linear-gradient(135deg, #fed7aa 0%, #fde68a 50%, #fef3c7 100%); }

.safety__item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.safety__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-16);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 123, 255, 0.1);
  border-radius: 12px;
  color: var(--color-accent);
}

.safety__icon svg {
  width: 28px;
  height: 28px;
}

.safety__item h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.safety__item p {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-gray-600);
}

/* ========== Clients (premium: clean layout, no grid, soft gradient, text logos) ========== */
.clients {
  padding: 80px 0;
  background: linear-gradient(to bottom, #ffffff, #f8fafc);
  position: relative;
}

.clients__header {
  text-align: center;
  margin-bottom: 0;
}

.clients__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 40px;
  color: #0A1F44;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-16);
  line-height: 1.2;
}

.clients__subtext {
  font-size: 18px;
  color: #6B7280;
  max-width: 560px;
  margin: 0 auto var(--space-24);
  line-height: 1.5;
}

.clients__divider {
  width: 80px;
  height: 2px;
  background: var(--color-accent);
  margin: 0 auto var(--space-48);
}

/* Banner strip – full width, scrolling marquee, manual scroll via touch only (no scrollbar) */
.clients__strip {
  width: 100%;
  padding: 50px 0 60px;
  overflow-x: auto;
  overflow-y: hidden;
  margin-top: 0;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.clients__strip::-webkit-scrollbar {
  display: none;
}

.clients__track {
  display: flex;
  width: max-content;
  animation: clientsBannerScroll 40s linear infinite;
}

.clients__track:hover {
  animation-play-state: paused;
}

@keyframes clientsBannerScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .clients__track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
  }

  .clients__track .clients__row:last-child {
    display: none;
  }
}

.clients__row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 80px;
  padding: 0 40px;
  flex-shrink: 0;
}

.clients__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-shrink: 0;
  padding: 12px 8px;
  text-align: center;
}

.clients__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 64px;
  color: #9ca3af;
  flex-shrink: 0;
  transition: opacity var(--transition);
}

.clients__icon img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.clients__item:hover .clients__icon {
  opacity: 0.9;
}

.clients__brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.08em;
  color: #9ca3af;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--transition);
}

.clients__item:hover .clients__brand {
  color: var(--color-accent);
}

/* ========== Statistics (dark navy, curved top, blends with clients) ========== */
.stats {
  padding: 80px 0;
  background: #0A1F44;
  color: var(--color-white);
  border-top-left-radius: 60px;
  border-top-right-radius: 60px;
  margin-top: -1px;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-32);
  text-align: center;
}

.stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.stats__value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.stats__number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.02em;
}

.stats__suffix {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2rem;
}

.stats__label {
  font-size: 0.9375rem;
  opacity: 0.9;
}

/* ========== Join Our Team (Careers) – also used in .footer__careers ========== */
.careers__box {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
  padding: var(--space-32) var(--space-24);
}

.careers__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: var(--space-12);
  color: var(--color-white);
}

.careers__text {
  margin-bottom: var(--space-20);
  font-size: 0.9375rem;
  opacity: 0.95;
  line-height: 1.5;
}

.careers__box .btn--primary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.careers__box .btn--primary:hover {
  background: var(--color-bg-light);
  color: var(--color-primary);
  border-color: var(--color-bg-light);
}

/* ========== Contact (clean modern: light gray section, compact, 40/60 layout) ========== */
.contact {
  padding: 80px 0;
  background: #F5F7FB;
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 123, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 123, 255, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.contact .container {
  position: relative;
  z-index: 1;
}

/* Heading: simple centered, no background block */
.contact__header {
  text-align: center;
  padding-top: 0;
  margin-bottom: 50px;
}

.contact__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 36px;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin: 0;
  background: none;
}

.contact__line {
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  margin: 16px auto 0;
  border-radius: 2px;
}

/* 2-column: 40% / 60%, vertically centered, thin blue divider */
.contact__grid {
  display: grid;
  grid-template-columns: 40% 60%;
  gap: 0;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.contact__grid > .contact__info {
  padding-right: var(--space-48);
}

.contact__form-col {
  display: flex;
  justify-content: flex-start;
  padding-left: var(--space-48);
  border-left: 1px solid rgba(0, 123, 255, 0.25);
}

/* Left: contact info with icons */
.contact__company {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 22px;
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.contact__role {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  margin-bottom: var(--space-32);
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-16);
  margin-bottom: 24px;
  font-size: 0.9375rem;
}

.contact__item:last-child {
  margin-bottom: 0;
}

.contact__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 123, 255, 0.1);
  border-radius: 10px;
  color: var(--color-accent);
}

.contact__block {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact__label {
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.contact__detail {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

.contact__detail:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.contact__detail--text {
  color: var(--color-gray-700);
  line-height: 1.5;
}

.contact__detail--text:hover {
  text-decoration: none;
}

.contact__block .contact__detail + .contact__detail {
  margin-top: 2px;
}

/* Form card: max-width 520px, 16px radius, soft shadow, 40px padding */
.contact__form-wrapper {
  background: var(--color-white);
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--color-gray-200);
  max-width: 520px;
  width: 100%;
}

.contact .form__group {
  margin-bottom: var(--space-24);
}

.contact .form__group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-dark);
  margin-bottom: var(--space-8);
}

.contact .form__group input,
.contact .form__group textarea {
  width: 100%;
  height: 48px;
  padding: 0 var(--space-16);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact .form__group textarea {
  height: auto;
  min-height: 100px;
  padding: var(--space-16);
  resize: vertical;
}

.contact .form__group input:focus,
.contact .form__group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.15);
}

/* Submit button: 50px height, 10px radius, gradient, hover lift */
.contact__submit {
  height: 50px;
  border-radius: 10px;
  margin-top: var(--space-8);
  background: linear-gradient(135deg, var(--color-accent) 0%, #0056b3 100%);
  border: none;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.contact__submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 123, 255, 0.4);
  filter: brightness(1.05);
}

/* Map moved into footer — see .footer__map below */

/* ========== Footer (map row = one tone; footer content below = darker, distinct) ========== */
.footer {
  background: #040d18;
  color: rgba(255, 255, 255, 0.9);
  padding: 0 0 var(--space-32);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-highlight), var(--color-accent), transparent);
  box-shadow: 0 0 20px rgba(0, 123, 255, 0.6), 0 0 40px rgba(0, 194, 255, 0.3);
}

/* Map + Join Our Team in one row (3/4 + 1/4) */
/* Section above footer: map + Join Our Team — different from footer content below */
.footer__map-row {
  position: relative;
  display: grid;
  grid-template-columns: 3fr 1fr;
  min-height: 300px;
  align-items: stretch;
  background: linear-gradient(180deg, #0a2240 0%, #061428 50%, #071a33 100%);
}

.footer__map-row::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}

.footer__map {
  min-width: 0;
  height: 300px;
  position: relative;
  margin-bottom: 0;
}

.footer__careers {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-highlight) 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-24);
}

.footer__careers .careers__box {
  max-width: 100%;
  padding: var(--space-20) var(--space-16);
}

.footer__careers .careers__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-8);
}

.footer__careers .careers__text {
  font-size: 0.875rem;
  margin-bottom: var(--space-16);
}

.footer__map-placeholder {
  width: 100%;
  height: 100%;
  min-height: 300px;
  background: rgba(10, 31, 68, 0.6);
  border: 1px dashed rgba(255, 255, 255, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  font-family: inherit;
  padding: 0;
}

.footer__map-placeholder:hover {
  background: rgba(10, 31, 68, 0.85);
  border-color: var(--color-highlight);
  color: var(--color-white);
}

.footer__map-placeholder:focus {
  outline: 2px solid var(--color-highlight);
  outline-offset: 2px;
}

.footer__map-icon {
  color: var(--color-highlight);
  opacity: 0.95;
}

.footer__map-text {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
}

.footer__map-placeholder small {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer__map-placeholder.map-placeholder--hidden {
  display: none;
}

.footer__map-embed {
  display: none;
  height: 300px;
  width: 100%;
  background: rgba(10, 31, 68, 0.7);
  position: relative;
}

.footer__map-embed.map-embed--visible {
  display: block;
}

.footer__map-embed .map-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  font-weight: 500;
}

.footer__map-embed .map-iframe {
  width: 100%;
  height: 300px;
  border: 0;
  display: block;
}

.footer > .container {
  padding-top: var(--space-48);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-48);
  margin-bottom: var(--space-48);
}

.footer__logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-white);
}

.footer__logo:hover {
  color: var(--color-white);
}

.footer__brand p {
  margin-top: var(--space-16);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.5;
}

/* Follow Us – social icons */
.footer__social-wrap {
  margin-top: var(--space-32);
}

.footer__social-divider {
  width: 100%;
  max-width: 120px;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  margin-bottom: 30px;
}

.footer__social-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-white);
  margin: 0 0 0 0;
  padding: 0;
}

.footer__social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
  opacity: 0;
  animation: footerSocialFadeIn 0.6s ease 0.2s forwards;
}

@keyframes footerSocialFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: var(--color-white);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}

/* Platform-specific hover (icon behaviour) */
.footer__social-link--linkedin:hover {
  background: #0A66C2;
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(10, 102, 194, 0.45);
}

.footer__social-link--facebook:hover {
  background: #1877F2;
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(24, 119, 242, 0.45);
}

.footer__social-link--instagram:hover {
  background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(225, 48, 108, 0.4);
}

.footer__social-link--twitter:hover {
  background: #000000;
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.footer__social-link--youtube:hover {
  background: #FF0000;
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 0, 0, 0.45);
}

.footer__social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__social-icon svg {
  width: 20px;
  height: 20px;
}

.footer__links h4,
.footer__contact h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-white);
  margin-bottom: var(--space-16);
}

.footer__links ul {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-8);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__contact p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-8);
}

.footer__contact a {
  color: rgba(255, 255, 255, 0.9);
}

.footer__contact a:hover {
  color: var(--color-white);
}

.footer__seo {
  padding: var(--space-16) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__seo-title {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  line-height: 1.5;
  max-width: 900px;
  margin: 0 auto;
}

.footer__bottom {
  padding-top: var(--space-24);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
}

.footer__bottom p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
}

/* ========== WhatsApp Floating Button ========== */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-24);
  right: var(--space-24);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
  color: var(--color-white);
}

.whatsapp-float__label {
  position: absolute;
  right: 100%;
  margin-right: var(--space-12);
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-8) var(--space-16);
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.whatsapp-float:hover .whatsapp-float__label {
  opacity: 1;
}

/* ========== Responsive: Tablet 768px ========== */
@media (max-width: 992px) {
  .container {
    padding: 0 var(--space-32);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-48);
  }

  .about .section__header {
    text-align: center;
  }

  .about .section__line {
    margin-left: auto;
  }

  .about__image {
    max-height: 320px;
  }

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

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

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

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

  .why-us__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact__grid > .contact__info {
    padding-right: 0;
    margin-bottom: var(--space-32);
  }

  .contact__form-col {
    border-left: none;
    padding-left: 0;
    justify-content: center;
  }

  .clients__row {
    gap: var(--space-48);
  }

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

/* ========== Responsive: Mobile 768px (hamburger, stack, single col) ========== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-24);
  }

  .hero {
    padding-left: var(--space-24);
    padding-right: var(--space-24);
    min-height: 500px;
    padding-top: calc(var(--header-height) + var(--space-64));
    justify-content: flex-start;
    padding-bottom: var(--space-24);
  }

  .hero__row {
    flex-direction: column;
    gap: var(--space-32);
  }

  .hero__content {
    text-align: center;
    max-width: 100%;
  }

  .hero__video {
    justify-content: center;
  }

  .hero__video-plus {
    max-width: 100%;
    max-height: 280px;
  }

  .hero__video-el {
    max-width: 100%;
    max-height: 240px;
  }

  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__cta .btn {
    width: 100%;
  }

  .hero__stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-20);
  }

  .hero__stats {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    margin-top: var(--space-32);
    margin-bottom: var(--space-24);
  }

  .nav-overlay {
    background: rgba(10, 31, 68, 0.5);
  }

  body.menu-open .nav-overlay {
    display: block;
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 280px;
    height: calc(100vh - var(--header-height));
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-24);
    gap: 0;
    box-shadow: -4px 0 24px rgba(11, 60, 93, 0.12);
    transition: right 0.15s ease;
    z-index: 1001;
  }

  .nav__menu.active {
    right: 0;
  }

  .nav__menu li {
    width: 100%;
    border-bottom: 1px solid var(--color-gray-200);
  }

  .nav__menu .nav__link {
    display: block;
    padding: var(--space-16) 0;
  }

  .nav__cta {
    margin-left: 0;
    margin-top: var(--space-16);
    width: 100%;
  }

  .nav__cta .btn {
    width: 100%;
  }

  .nav__toggle {
    display: flex;
  }

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

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

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

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

  .why-us__grid {
    grid-template-columns: 1fr;
    gap: var(--space-24);
  }

  .why-us {
    padding: var(--space-48) 0;
  }

  .about,
  .services,
  .clients,
  .contact,
  .careers-section {
    padding: var(--space-48) 0;
  }

  .section__header {
    margin-bottom: var(--space-32);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__brand {
    text-align: center;
  }

  .footer__social-divider {
    margin-left: auto;
    margin-right: auto;
  }

  .footer__social {
    justify-content: center;
  }

  .footer__links,
  .footer__contact {
    text-align: center;
  }
}

/* ========== Responsive: Mobile 375px ========== */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-16);
  }

  .hero {
    padding-left: var(--space-16);
    padding-right: var(--space-16);
  }

  .clients__title {
    font-size: 32px;
  }

  .clients__row {
    gap: var(--space-32);
    padding: var(--space-32) 0;
  }

  .contact__form-wrapper {
    padding: var(--space-24);
  }

  .footer__map-row {
    grid-template-columns: 1fr;
  }

  .footer__map,
  .footer__map-placeholder {
    min-height: 240px;
    height: 240px;
  }

  .footer__map-embed,
  .footer__map-embed .map-iframe {
    height: 240px;
  }

  .footer__careers {
    min-height: 220px;
  }
}