/* ==========================================================================
   SV NDT Engineering Services — Demo Website stylesheet
   --------------------------------------------------------------------------
   Structure:
   01. CSS custom properties (design tokens)
   02. Reset & base
   03. Utilities & layout helpers
   04. Buttons & links
   05. Topbar, header & navigation
   06. Mobile navigation
   07. Hero
   08. Trust / experience strip
   09. Section headings
   10. About
   11. Cards (services / industries / why-us / process / contact-info)
   12. CTA band
   13. Inner page hero
   14. Services detail layout
   15. Forms
   16. FAQ accordion
   17. Contact section
   18. Footer
   19. Scroll reveal helpers
   20. Accessibility
   21. Responsive behaviour (media queries)
   ========================================================================== */

/* ==========================================================================
   01. DESIGN TOKENS
   ========================================================================== */
:root {
  /* Brand palette */
  --primary: #0B78A8;
  --primary-dark: #08618C;
  --primary-deep: #064C70;
  --secondary: #082B57;
  --accent: #18B7E5;
  --accent-soft: #E3F5FC;
  --bg: #F5F9FC;
  --bg-soft: #EDF4F9;
  --text: #26364A;
  --text-muted: #5C6B80;
  --white: #FFFFFF;
  --line: #DCE7F0;
  --line-soft: #E8F0F6;

  /* Typography */
  --font-body: "Inter", "Segoe UI", Arial, Helvetica, sans-serif;

  /* Shape & depth */
  --radius: 10px;
  --radius-lg: 16px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(8, 43, 87, 0.08);
  --shadow-md: 0 10px 30px rgba(8, 43, 87, 0.10);
  --shadow-lg: 0 20px 50px rgba(8, 43, 87, 0.14);

  /* Layout */
  --container: 1200px;
  --header-h: 78px;
  --space: clamp(3rem, 6vw, 5.5rem);
}

/* ==========================================================================
   02. RESET & BASE
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--secondary);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.9rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p {
  margin-bottom: 1rem;
}

strong {
  color: var(--secondary);
}

address {
  font-style: normal;
}

/* ==========================================================================
   03. UTILITIES & LAYOUT HELPERS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.container--narrow {
  max-width: 900px;
}

.section {
  padding-block: var(--space);
}

.section--tint {
  background-color: var(--bg-soft);
}

.section--white {
  background-color: var(--white);
}

.section--dark {
  background-color: var(--secondary);
  color: #D6E4F2;
}

.section--dark h2,
.section--dark h3 {
  color: var(--white);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Logo mark (inline SVG wave mark + wordmark) */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.brand__mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
}

.brand__text strong {
  display: block;
  font-size: 1.05rem;
  color: var(--secondary);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.brand__text span {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

/* ==========================================================================
   04. BUTTONS & LINKS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease,
    box-shadow 0.2s ease, transform 0.1s ease;
}

.btn:active {
  transform: translateY(1px);
}

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

.btn--primary:hover {
  background-color: var(--primary-dark);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn--accent {
  background-color: var(--accent);
  color: var(--secondary);
}

.btn--accent:hover {
  background-color: #0FA9D4;
  color: var(--secondary);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background-color: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.14);
  color: var(--white);
}

.btn--ghost-dark {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn--ghost-dark:hover {
  background-color: var(--primary);
  color: var(--white);
}

.btn--white {
  background-color: var(--white);
  color: var(--secondary);
}

.btn--white:hover {
  background-color: var(--accent-soft);
  color: var(--secondary);
}

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

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
}

/* Inline "read more" style link */
.link-arrow {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.link-arrow::after {
  content: "→";
  transition: transform 0.2s ease;
}

.link-arrow:hover::after {
  transform: translateX(4px);
}

/* ==========================================================================
   05. TOPBAR, HEADER & NAVIGATION
   ========================================================================== */
.topbar {
  background-color: var(--secondary);
  color: #C8DBEF;
  font-size: 0.85rem;
  padding: 0.35rem 0;
  display: none;
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar a {
  color: #E6F0FA;
}

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

.topbar__left,
.topbar__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--white);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow 0.25s ease;
}

.header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav__link {
  display: block;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--text);
}

.nav__link:hover {
  color: var(--primary);
  background-color: var(--accent-soft);
}

.nav__link[aria-current="page"] {
  color: var(--primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__phone {
  display: none;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  color: var(--secondary);
  font-size: 0.95rem;
}

.header__phone small {
  display: block;
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.header__phone .icon {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.header__cta {
  padding: 0.6rem 1.2rem;
  font-size: 0.88rem;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle__bar {
  height: 2px;
  width: 100%;
  background-color: var(--secondary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   06. MOBILE NAVIGATION
   ========================================================================== */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 120;
  pointer-events: none;
  visibility: hidden;
}

.mobile-nav.is-open {
  pointer-events: auto;
  visibility: visible;
}

.mobile-nav__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(8, 43, 87, 0.55);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.mobile-nav.is-open .mobile-nav__overlay {
  opacity: 1;
}

.mobile-nav__panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(340px, 88vw);
  background-color: var(--white);
  display: flex;
  flex-direction: column;
  padding: 1.4rem 1.5rem 2rem;
  gap: 1.2rem;
  transform: translateX(102%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.mobile-nav.is-open .mobile-nav__panel {
  transform: translateX(0);
}

.mobile-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
}

.mobile-nav__close {
  border: 1px solid var(--line);
  background: transparent;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  font-size: 1.15rem;
  cursor: pointer;
  color: var(--secondary);
}

.mobile-nav__links li + li {
  border-top: 1px solid var(--line-soft);
}

.mobile-nav__links a {
  display: block;
  padding: 0.85rem 0.25rem;
  font-weight: 600;
  color: var(--secondary);
  font-size: 1.02rem;
}

.mobile-nav__links a:hover,
.mobile-nav__links a[aria-current="page"] {
  color: var(--primary);
}

.mobile-nav__contact {
  margin-top: auto;
  border-top: 1px solid var(--line-soft);
  padding-top: 1.2rem;
}

.mobile-nav__contact li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  margin-bottom: 0.65rem;
}

.mobile-nav__contact .icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--primary);
}

/* Body scroll lock while menu is open */
body.nav-open {
  overflow: hidden;
}

/* ==========================================================================
   07. HERO
   ========================================================================== */
.hero {
  position: relative;
  color: var(--white);
  background-color: var(--secondary);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}

.hero__bg.hero__bg--pattern {
  opacity: 1;
  background-image: linear-gradient(rgba(10, 48, 90, 0.82), rgba(8, 43, 87, 0.9)),
    repeating-linear-gradient(90deg, transparent 0 62px, rgba(24, 183, 229, 0.12) 62px 64px),
    repeating-linear-gradient(0deg, transparent 0 62px, rgba(24, 183, 229, 0.12) 62px 64px),
    linear-gradient(135deg, var(--secondary) 0%, #0A3A70 55%, var(--primary) 100%);
  background-size: cover;
}

/* Hero image slider */
.hero__slides,
.hero__slide {
  position: absolute;
  inset: 0;
}

.hero__slide {
  opacity: 0;
  transition: opacity 0.9s ease;
}

.hero__slide.is-active {
  opacity: 1;
}

.hero__slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.hero__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(8, 43, 87, 0.88) 0%, rgba(8, 43, 87, 0.55) 55%, rgba(11, 120, 168, 0.3) 100%);
}

.hero__dots {
  position: absolute;
  z-index: 2;
  bottom: 1.6rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 0.7rem;
}

.hero__dot {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.hero__dot.is-active,
.hero__dot:hover {
  background-color: var(--accent);
  border-color: var(--accent);
}

.hero__dot:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.hero__inner {
  position: relative;
  z-index: 1;
  min-height: clamp(480px, 78vh, 720px);
  display: flex;
  align-items: center;
  padding-block: 4rem;
}

.hero__content {
  max-width: 720px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #D9EBF7;
  margin-bottom: 1.4rem;
}

.hero__title {
  color: var(--white);
  margin-bottom: 1.4rem;
}

.hero__lead {
  font-size: 1.1rem;
  color: #D3E3F3;
  max-width: 620px;
  margin-bottom: 2rem;
}

.hero__lead strong {
  color: var(--white);
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.8rem;
  margin-top: 2.2rem;
  color: #CFE1F2;
  font-size: 0.92rem;
  font-weight: 600;
}

.hero__badges span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__badges svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

/* ==========================================================================
   08. TRUST / EXPERIENCE STRIP
   ========================================================================== */
.trust {
  position: relative;
  margin-top: -2.5rem;
  z-index: 2;
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.trust__item {
  background-color: var(--white);
  padding: 1.4rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.trust__icon {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.trust__icon svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.trust__item strong {
  display: block;
  color: var(--secondary);
  font-size: 1rem;
  line-height: 1.3;
}

.trust__item small {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ==========================================================================
   09. SECTION HEADINGS
   ========================================================================== */
.section-head {
  max-width: 720px;
  margin-bottom: 2.6rem;
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--primary);
  margin-bottom: 0.8rem;
}

.section-head__eyebrow::before {
  content: "";
  width: 26px;
  height: 3px;
  background-color: var(--accent);
  border-radius: 2px;
}

.section-head--center .section-head__eyebrow::before {
  display: none;
}

.section-head__eyebrow--no-line::before {
  display: none;
}

.section-head p {
  color: var(--text-muted);
  margin: 0.9rem 0 0;
}

/* ==========================================================================
   10. ABOUT
   ========================================================================== */
.about__grid {
  display: grid;
  gap: 2.4rem;
  align-items: center;
}

.about__media {
  position: relative;
}

.about__media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3.1;
}

.about__card {
  position: absolute;
  left: 1rem;
  bottom: -1.4rem;
  right: 1rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line-soft);
  padding: 1.1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.about__card-icon {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  border-radius: var(--radius);
  background: var(--secondary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__card-icon svg {
  width: 26px;
  height: 26px;
}

.about__card strong {
  display: block;
  color: var(--secondary);
  font-size: 1.05rem;
}

.about__card span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.about__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 1.2rem;
  margin: 1.4rem 0 1.8rem;
}

.about__list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
}

.about__list svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--primary);
}

/* ==========================================================================
   11. CARDS
   ========================================================================== */
/* Service cards */
.service-card {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-soft);
}

.service-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.service-card:hover .service-card__media img {
  transform: scale(1.05);
}

.service-card__body {
  padding: 1.35rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  flex: 1;
}

.service-card h3 {
  color: var(--secondary);
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
  margin: 0;
}

.service-card__foot {
  margin-top: auto;
  padding-top: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

/* Industry cards */
.industry-grid {
  grid-template-columns: repeat(2, 1fr);
}

.industry-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.25s ease;
}

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

.industry-card__icon {
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.industry-card:hover .industry-card__icon {
  background-color: var(--primary);
  color: var(--white);
}

.industry-card__icon svg {
  width: 28px;
  height: 28px;
}

.industry-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.industry-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Feature (why choose us) cards */
.feature-grid {
  grid-template-columns: repeat(2, 1fr);
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.6rem 1.7rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.85;
}

.feature-card__icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius);
  background: var(--secondary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}

.feature-card__icon svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* Process steps */
.process {
  counter-reset: step;
  grid-template-columns: repeat(2, 1fr);
}

.process__step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem 1.6rem;
  box-shadow: var(--shadow-sm);
}

.process__step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 1.1rem;
  right: 1.4rem;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--line-soft);
  line-height: 1;
  letter-spacing: -0.03em;
}

.process__icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

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

.process__step h3 {
  margin-bottom: 0.45rem;
}

.process__step p {
  color: var(--text-muted);
  font-size: 0.94rem;
  margin: 0;
}

/* Contact info cards (homepage preview) */
.contact-strip {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.6rem;
  display: grid;
  gap: 1.2rem;
}

.contact-strip__item {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}

.contact-strip__icon {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-strip__icon svg {
  width: 22px;
  height: 22px;
}

.contact-strip__item strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.contact-strip__item a,
.contact-strip__item span {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.98rem;
}

/* ==========================================================================
   12. CTA BAND
   ========================================================================== */
.cta {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: clamp(2.2rem, 5vw, 4rem);
  background-color: var(--secondary);
  color: var(--white);
}

.cta__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.cta__inner {
  position: relative;
  display: grid;
  gap: 1.6rem;
  align-items: center;
}

.cta h2 {
  color: var(--white);
  margin-bottom: 0.6rem;
}

.cta p {
  color: #CBDCF0;
  margin: 0;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

/* ==========================================================================
   13. INNER PAGE HERO
   ========================================================================== */
.page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.page-hero__inner {
  padding-block: clamp(4.5rem, 9vw, 7rem);
  position: relative;
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: 0.9rem;
}

.page-hero p {
  color: #D3E3F3;
  max-width: 640px;
  margin: 0;
}

.page-hero__crumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.1rem;
}

.page-hero__crumb a {
  color: var(--accent);
}

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

/* ==========================================================================
   14. SERVICES DETAIL LAYOUT
   ========================================================================== */
.services-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.service-nav {
  position: sticky;
  top: calc(var(--header-h) + 1.2rem);
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.service-nav__title {
  padding: 1rem 1.3rem;
  background: var(--secondary);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.service-nav ul li + li {
  border-top: 1px solid var(--line-soft);
}

.service-nav a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1.3rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.92rem;
}

.service-nav a::after {
  content: "→";
  color: var(--primary);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.service-nav a:hover {
  background: var(--accent-soft);
  color: var(--primary);
}

.service-nav a:hover::after {
  opacity: 1;
  transform: translateX(2px);
}

.service-nav a[aria-current="true"] {
  background: var(--accent-soft);
  color: var(--primary);
}

.service-nav a[aria-current="true"]::after {
  opacity: 1;
}

.service-nav__help {
  padding: 1rem 1.3rem;
}

.service-nav__help p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Image strip (industries overview) */
.figure-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.grid figure {
  margin: 0;
}

/* Service article block */
.service-block {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.service-block + .service-block {
  margin-top: 2rem;
}

.service-block__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-soft);
}

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

.service-block__body {
  padding: clamp(1.4rem, 3vw, 2.2rem);
}

.service-block h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.service-block .service-num {
  font-weight: 800;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.service-block p {
  color: var(--text-muted);
}

.service-block h4 {
  color: var(--primary-dark);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 1.4rem 0 0.7rem;
}

.service-block ul {
  display: grid;
  gap: 0.45rem;
}

.service-block ul li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text);
  font-size: 0.95rem;
}

.service-block ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: 800;
}

.service-block__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 600;
}

/* ==========================================================================
   15. FORMS
   ========================================================================== */
.form {
  display: grid;
  gap: 1.1rem;
}

.form__row {
  display: grid;
  gap: 1.1rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--secondary);
}

.form__group input,
.form__group select,
.form__group textarea {
  font-family: inherit;
  font-size: 0.98rem;
  color: var(--text);
  padding: 0.75rem 0.95rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

.form__group textarea {
  min-height: 130px;
  resize: vertical;
}

.form__group select {
  cursor: pointer;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(24, 183, 229, 0.18);
}

.form__group input[aria-invalid="true"],
.form__group select[aria-invalid="true"],
.form__group textarea[aria-invalid="true"] {
  border-color: #D64545;
}

.form__error {
  display: none;
  color: #B32E2E;
  font-size: 0.82rem;
  font-weight: 600;
}

.form__group.has-error .form__error {
  display: block;
}

.form__message {
  display: none;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
}

.form__message.is-visible {
  display: block;
}

.form__message--success {
  background: #E5F6EC;
  color: #146A3B;
  border-color: #BFE5CE;
}

.form__message p {
  margin: 0;
}

.form__note {
  color: var(--text-muted);
}

/* ==========================================================================
   16. FAQ ACCORDION
   ========================================================================== */
.faq {
  max-width: 820px;
  margin-inline: auto;
  display: grid;
  gap: 0.9rem;
}

.faq__item {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 1.2rem;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
}

.faq__q:hover {
  color: var(--primary);
}

.faq__q::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.25s ease;
  flex: 0 0 auto;
}

.faq__item[data-open="true"] .faq__q::after {
  transform: rotate(45deg);
}

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.28s ease;
}

.faq__a > div {
  overflow: hidden;
}

.faq__a p {
  padding: 0 1.2rem 1.15rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.faq__item[data-open="true"] .faq__a {
  grid-template-rows: 1fr;
}

/* ==========================================================================
   17. CONTACT SECTION (PAGE)
   ========================================================================== */
.contact-panel {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(1.4rem, 3vw, 2.2rem);
}

.quick-contact {
  display: grid;
  gap: 1.1rem;
}

.quick-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.quick-card__icon {
  width: 50px;
  height: 50px;
  flex: 0 0 auto;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--primary);
}

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

.quick-card strong {
  display: block;
  color: var(--secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.quick-card a,
.quick-card span {
  font-weight: 600;
  color: var(--text);
  font-size: 0.98rem;
  word-break: break-word;
}

.map-fallback {
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  text-align: center;
}

.map-fallback p {
  margin: 0 0 1rem;
}

/* ==========================================================================
   18. FOOTER
   ========================================================================== */
.footer {
  background-color: var(--secondary);
  color: #C4D7EB;
  font-size: 0.92rem;
}

.footer__top {
  padding-block: 3.4rem 2.4rem;
}

.footer__grid {
  display: grid;
  gap: 2.2rem;
}

.footer__brand .brand__text strong {
  color: var(--white);
}

.footer__brand p {
  margin: 1rem 0 0;
  font-size: 0.92rem;
}

.footer__heading {
  color: var(--white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1.1rem;
}

.footer__links li {
  margin-bottom: 0.55rem;
}

.footer__links a {
  color: #C4D7EB;
}

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

.footer__contact li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin-bottom: 0.8rem;
}

.footer__contact svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: var(--white);
  color: var(--white);
  margin-top: 0.2rem;
}

.footer__contact a {
  color: #C4D7EB;
}

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

.footer__map {
  margin-top: 2.8rem;
}

.footer__map iframe {
  display: block;
  width: 100%;
  height: 280px;
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: 1.2rem;
}

.footer__bottom .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.footer__bottom p {
  margin: 0;
  font-size: 0.85rem;
}

.footer__bottom a {
  color: #C4D7EB;
}

/* ==========================================================================
   19. SCROLL REVEAL
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   20. ACCESSIBILITY
   ========================================================================== */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 200;
  background: var(--primary);
  color: var(--white);
  padding: 0.7rem 1.2rem;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 700;
}

.skip-link:focus {
  left: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ==========================================================================
   21. RESPONSIVE BEHAVIOUR
   ========================================================================== */
@media (min-width: 1024px) {
  .topbar { display: block; }
  .header__phone { display: flex; }
  .nav-toggle { display: none; }
  .nav { display: block; }
  .trust__grid { grid-template-columns: repeat(4, 1fr); }
  .about__grid { grid-template-columns: 1.05fr 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(4, 1fr); }
  .process { grid-template-columns: repeat(4, 1fr); }
  .contact-strip { grid-template-columns: 1fr 1fr; gap: 1.4rem 2rem; }
  .services-layout { grid-template-columns: 300px 1fr; }
  .footer__grid { grid-template-columns: 1.4fr 0.8fr 1.2fr; gap: 2.5rem; }
  .cta__inner { grid-template-columns: 1fr auto; }
  .form__row--2 { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: none; }
}

@media (max-width: 1023.98px) {
  .nav { display: none; }
  .header__cta { display: none; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

/* Compact navigation on smaller desktop widths */
@media (min-width: 1024px) and (max-width: 1279.98px) {
  .nav__list { gap: 0.15rem; }
  .nav__link { padding: 0.5rem 0.65rem; font-size: 0.9rem; }
  .header__cta { padding: 0.55rem 1rem; }
}

@media (max-width: 767.98px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
  .industry-grid,
  .feature-grid,
  .process {
    grid-template-columns: 1fr;
  }
  .about__list {
    grid-template-columns: 1fr;
  }
  .about__media {
    margin-bottom: 1.8rem;
  }
  .hero__inner {
    min-height: 520px;
    padding-block: 3.2rem;
  }
  .btn-group .btn {
    width: 100%;
  }
  .section-head {
    margin-bottom: 2rem;
  }
  .trust {
    margin-top: -1.6rem;
  }
}