/* ============================================================
   CSS RESET & CUSTOM PROPERTIES
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-black:   #000000;
  --clr-white:   #FFFFFF;
  --clr-orange:  #FF6A00;
  --clr-orange-d:#E05800;
  --clr-grey-50: #F9F9F9;
  --clr-grey-100:#F2F2F2;
  --clr-grey-200:#E0E0E0;
  --clr-grey-400:#9E9E9E;
  --clr-grey-700:#3D3D3D;
  --clr-dark-bg: #0A0A0A;
  --clr-dark-card:#161616;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1200px;
  --nav-h: 72px;
  --radius: 4px;
  --transition: 0.2s ease;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 80px;
  --space-8: 96px;
  --space-9: 128px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--clr-black);
  background: var(--clr-white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; width: 100%; height: auto; object-fit: cover; }

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

ul { list-style: none; }

/* ============================================================
   UTILITIES
============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn--orange {
  background: var(--clr-orange);
  color: var(--clr-white);
}
.btn--orange:hover {
  background: var(--clr-orange-d);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255,106,0,0.35);
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-orange);
  margin-bottom: 10px;
}

.section-label--light { color: var(--clr-orange); }

.section-heading {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--clr-black);
  margin-bottom: var(--space-5);
}

.section-heading--light { color: var(--clr-white); }

/* ============================================================
   NAVBAR
============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-h);
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-grey-200);
  z-index: 1000;
  transition: box-shadow var(--transition);
  /* prevent the open mobile menu from causing horizontal scroll */
  overflow: visible;
}

.navbar.scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,0.10);
}

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

.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.navbar__logo-img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
}

.logo-w { color: var(--clr-orange); }

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--clr-grey-700);
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-orange);
  transition: width var(--transition);
}

.nav-link:hover { color: var(--clr-black); }
.nav-link:hover::after { width: 100%; }

.nav-link--active { color: var(--clr-orange) !important; }
.nav-link--active::after { width: 100% !important; }

.nav-link--cta {
  background: var(--clr-orange);
  color: var(--clr-white) !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.nav-link--cta::after { display: none; }

.nav-link--cta:hover {
  background: var(--clr-orange-d);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255,106,0,0.3);
}

/* ---- SERVICES DROPDOWN ---- */
.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-link--has-dropdown {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown__chevron {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.nav-dropdown:hover .nav-dropdown__chevron {
  transform: rotate(180deg);
}

.nav-dropdown__menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 220px;
  background: var(--clr-white);
  border: 1px solid var(--clr-grey-200);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
  padding: 6px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1100;
}

.nav-dropdown:hover .nav-dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown__item {
  display: block;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--clr-grey-700);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-dropdown__item:hover {
  color: var(--clr-orange);
  background: var(--clr-grey-50);
}

/* Add a small orange left bar on hover */
.nav-dropdown__item:hover {
  padding-left: 22px;
  border-left: 3px solid var(--clr-orange);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-black);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  margin-top: var(--nav-h);
  background-color: var(--clr-dark-bg);
  overflow: hidden;
}

.hero__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero__slide.active {
  opacity: 1;
}

.hero .container {
  width: 100%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.70) 45%, rgba(0,0,0,0.28) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.hero__eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-orange);
  margin-bottom: var(--space-2);
}

.hero__heading {
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--clr-white);
  margin-bottom: var(--space-3);
}

.hero__sub {
  font-size: 17px;
  font-weight: 400;
  color: rgba(255,255,255,0.82);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.hero__tagline {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--clr-orange);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
}

/* ============================================================
   CERTIFICATIONS
============================================================ */
.certs {
  background: var(--clr-white);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--clr-grey-200);
}

.certs__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.cert-card {
  width: 100%;
  max-width: 266px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--clr-grey-200);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.cert-card:hover {
  border-color: var(--clr-orange);
  box-shadow: 0 0 0 1px var(--clr-orange);
}

.cert-card__icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.cert-card__icon svg { width: 100%; height: 100%; }

.cert-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--clr-black);
  letter-spacing: -0.01em;
}

.cert-card__desc {
  font-size: 12px;
  color: var(--clr-grey-400);
  line-height: 1.4;
}

/* ============================================================
   SERVICES
============================================================ */
.services {
  background: var(--clr-grey-50);
  padding: var(--space-9) 0;
}

.services__header {
  text-align: center;
  margin-bottom: var(--space-5);
}

.services__header .section-label,
.services__header .section-heading {
  text-align: center;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.service-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-grey-200);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--clr-orange);
  transition: width 0.3s ease;
  z-index: 1;
}

.service-card:hover::before { width: 100%; }

.service-card:hover {
  box-shadow: 0 8px 40px rgba(0,0,0,0.10);
  border-color: var(--clr-grey-400);
}

.service-card__img-wrap {
  height: 260px;
  overflow: hidden;
}

.service-card__img {
  height: 100%;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card__img { transform: scale(1.04); }

.service-card__body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-card__num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--clr-orange);
  margin-bottom: var(--space-1);
}

.service-card__title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--clr-black);
  margin-bottom: var(--space-2);
}

.service-card__desc {
  font-size: 15px;
  color: var(--clr-grey-700);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-3);
}

.service-card__bullets {
  margin-bottom: var(--space-4);
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-card__bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--clr-grey-700);
  line-height: 1.6;
}

.service-card__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--clr-orange);
}

.service-card__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-orange);
  letter-spacing: 0.02em;
  transition: letter-spacing var(--transition);
}

.service-card__link:hover { letter-spacing: 0.06em; }

/* ============================================================
   INDUSTRIES
============================================================ */
.industries {
  background: var(--clr-white);
  padding: var(--space-9) 0;
  border-bottom: 1px solid var(--clr-grey-200);
}

.industries__header {
  text-align: center;
  margin-bottom: var(--space-5);
}

.industries__header .section-heading {
  text-align: center;
  margin-bottom: 8px;
}

.industries__sub {
  font-size: 16px;
  color: var(--clr-grey-700);
  line-height: 1.65;
  max-width: 640px;
  margin: 0 auto;
}

.industries__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--clr-grey-200);
  border: 1px solid var(--clr-grey-200);
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: var(--space-5) var(--space-4);
  background: var(--clr-white);
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
  cursor: default;
}

.industry-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--clr-orange);
  transition: width 0.35s ease;
}

.industry-item:hover {
  background: var(--clr-grey-50);
}

.industry-item:hover::after {
  width: 100%;
}

.industry-item__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.industry-item__icon svg { width: 100%; height: 100%; }

.industry-item__label {
  font-size: 16px;
  font-weight: 700;
  color: var(--clr-black);
  line-height: 1.3;
}

.industry-item__desc {
  font-size: 14px;
  color: var(--clr-grey-700);
  line-height: 1.6;
}

/* ============================================================
   GALLERY
============================================================ */
.gallery {
  background: var(--clr-grey-50);
  padding: var(--space-9) 0;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.gallery__grid--3col {
  grid-template-columns: repeat(3, 1fr);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  border: 1px solid var(--clr-grey-200);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img { transform: scale(1.06); }

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  display: flex;
  align-items: flex-end;
  padding: var(--space-3);
  transition: background 0.3s ease;
}

.gallery-item:hover .gallery-item__overlay {
  background: rgba(0,0,0,0.55);
}

.gallery-item__overlay span {
  font-size: 14px;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transform: translateY(8px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.gallery-item:hover .gallery-item__overlay span {
  transform: translateY(0);
  opacity: 1;
}

.gallery__cta { text-align: left; }

/* ============================================================
   CTA BAND
============================================================ */
.cta-band {
  background: var(--clr-black);
  padding: var(--space-7) 0;
  border-top: 1px solid #2a2a2a;
}

.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.cta-band__heading {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  color: var(--clr-white);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-1);
}

.cta-band__sub {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
}

/* ============================================================
   CONTACT SECTION
============================================================ */
.contact-section {
  background: var(--clr-white);
  padding: var(--space-9) 0;
}

.contact-section__inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-6);
  align-items: start;
}

.contact-form { display: flex; flex-direction: column; gap: var(--space-3); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-grey-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--clr-grey-200);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  color: var(--clr-black);
  background: var(--clr-white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-grey-400); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-orange);
  box-shadow: 0 0 0 3px rgba(255,106,0,0.12);
}

.input-error {
  border-color: #e53935 !important;
  box-shadow: 0 0 0 3px rgba(229,57,53,0.10) !important;
}

/* Contact Info Panel */
.contact-info {
  background: var(--clr-dark-bg);
  border-radius: var(--radius);
  padding: var(--space-5);
}

.contact-info__heading {
  font-size: 18px;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: 1px solid #1F1F1F;
}

.contact-info__item:last-child { border-bottom: none; }

.contact-info__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info__icon svg { width: 100%; height: 100%; }

.contact-info__label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-grey-400);
  margin-bottom: 2px;
}

.contact-info__val {
  font-size: 14px;
  color: var(--clr-white);
  font-weight: 500;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--clr-black);
  color: var(--clr-white);
  border-top: 1px solid #1A1A1A;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.6fr;
  gap: var(--space-6);
  padding: var(--space-7) var(--space-4);
}

.footer__logo {
  display: inline-block;
  margin-bottom: var(--space-3);
}

.footer__logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
}

.footer__desc {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 280px;
}

.footer__col-heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-orange);
  margin-bottom: var(--space-3);
}

.footer__links li + li { margin-top: 10px; }

.footer__links a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

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

.footer__contact-list li {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
}

.footer__contact-list a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid #1A1A1A;
}

.footer__bottom-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-3) var(--space-4);
}

.footer__bottom-inner p {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

/* ============================================================
   RESPONSIVE - TABLET
============================================================ */
@media (max-width: 1180px) {
  .navbar__nav {
    gap: var(--space-2);
  }
  .nav-link {
    font-size: 13px;
  }
}

@media (max-width: 1024px) {

  .industries__grid { grid-template-columns: repeat(3, 1fr); }

  .footer__top { grid-template-columns: 1fr 1fr; row-gap: var(--space-5); }

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

  .contact-info { max-width: 480px; }
}

/* ============================================================
   RESPONSIVE - MOBILE
============================================================ */
@media (max-width: 768px) {

  :root { --space-7: 60px; --space-8: 70px; --space-9: 80px; }

  .hamburger { display: flex; }

  .navbar__nav {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--clr-white);
    border-bottom: 1px solid var(--clr-grey-200);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-3) var(--space-4);
    transform: translateY(-110%);
    visibility: hidden;
    transition: transform 0.3s ease, visibility 0.3s ease;
    z-index: 999;
    /* ensure it sits flush under the navbar with no gap */
    margin: 0;
  }

  .navbar__nav.open {
    transform: translateY(0);
    visibility: visible;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--clr-grey-100);
    font-size: 15px;
  }

  /* keep the orange underline constrained — don't let it overflow */
  .nav-link::after {
    bottom: 0;
  }

  .nav-link:last-child { border-bottom: none; margin-top: var(--space-2); }

  /* CTA pill stays pill-shaped and left-aligned in the drawer */
  .nav-link--cta {
    display: inline-block;
    width: auto;
    padding: 10px 22px;
    margin-bottom: 4px;
  }

  /* hide the underline indicator on the CTA pill */
  .nav-link--cta::after { display: none; }

  .hero { min-height: 85vh; }

  .hero__heading { font-size: clamp(32px, 8vw, 48px); }

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

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

  .gallery__grid,
  .gallery__grid--3col { grid-template-columns: 1fr; }

  .cta-band__inner { flex-direction: column; align-items: flex-start; gap: var(--space-4); }

  .footer__top { grid-template-columns: 1fr; gap: var(--space-4); }

  .footer__bottom-inner { flex-direction: column; gap: var(--space-1); text-align: center; }

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

@media (max-width: 480px) {
  .industries__grid { grid-template-columns: 1fr; }
}