/* ==========================================================================
   Nexvolt Industrial Services — Stylesheet
   Premium, minimal, industrial design system inspired by high-end
   engineering/tech sites. Mobile-first, no external dependencies.
   ========================================================================== */

/* -------------------------------------------------------------------------
   1. Design Tokens
   ------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-bg-alt: #f5f6f8;
  --color-bg-alt-2: #eef1f5;
  --color-bg-dark: #0a0d12;
  --color-bg-dark-alt: #11151d;
  --color-text: #12151c;
  --color-text-muted: #5b6270;
  --color-text-faint: #8a909c;
  --color-text-inverse: #f5f7fa;
  --color-text-inverse-muted: #9aa2b1;
  --color-border: #e4e7ec;
  --color-border-dark: #232833;
  --color-accent: #0052ff;
  --color-accent-dark: #0040cc;
  --color-accent-darker: #00308f;
  --color-accent-light: #eaf1ff;
  --color-success: #0a8a4a;
  --color-danger: #d1372e;

  /* Typography */
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --fs-h1: clamp(2.25rem, 1.6rem + 3vw, 4.25rem);
  --fs-h2: clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
  --fs-h3: clamp(1.25rem, 1.1rem + 0.6vw, 1.625rem);
  --fs-h4: 1.125rem;
  --fs-body-lg: clamp(1.05rem, 1rem + 0.25vw, 1.25rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-tiny: 0.75rem;
  --lh-tight: 1.15;
  --lh-snug: 1.35;
  --lh-normal: 1.6;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Layout */
  --container-max: 1240px;
  --container-pad: 1.25rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --header-h: 76px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 0.2s;
  --dur-med: 0.5s;
  --dur-slow: 0.9s;
}

@media (min-width: 700px) {
  :root { --container-pad: 2rem; }
}

/* -------------------------------------------------------------------------
   2. Reset & Base
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, p, figure { margin: 0; }

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
  hyphens: auto;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

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

button { font-family: inherit; cursor: pointer; }

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

::selection { background: var(--color-accent); color: #fff; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.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;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -3rem;
  background: var(--color-accent);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: 1rem; }

/* -------------------------------------------------------------------------
   3. Section rhythm & typography helpers
   ------------------------------------------------------------------------- */
.section {
  padding-block: var(--space-9);
}
.section--alt { background: var(--color-bg-alt); }
.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
}
.section--dark p { color: var(--color-text-inverse-muted); }
.section--tight { padding-block: var(--space-8); }

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-7);
}
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-tiny);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

.section-head h2 { margin-bottom: var(--space-4); }
.section-head p { font-size: var(--fs-body-lg); }

.lead {
  font-size: var(--fs-body-lg);
  color: var(--color-text-muted);
}

/* -------------------------------------------------------------------------
   4. Buttons
   ------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--color-text);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { --btn-bg: var(--color-accent); --btn-fg: #fff; }
.btn-primary:hover { --btn-bg: var(--color-accent-dark); box-shadow: 0 10px 24px -8px rgba(0, 82, 255, 0.45); }

.btn-dark { --btn-bg: var(--color-text); --btn-fg: #fff; }
.btn-dark:hover { --btn-bg: #000; box-shadow: 0 10px 24px -10px rgba(0,0,0,0.4); }

.btn-outline {
  --btn-bg: transparent;
  --btn-fg: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-text); }

.btn-outline-light {
  --btn-bg: transparent;
  --btn-fg: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.06); }

.btn-white { --btn-bg: #fff; --btn-fg: var(--color-text); border-color: #fff; }
.btn-white:hover { --btn-bg: #eef1f5; box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.3); }

.btn-sm { padding: 0.6rem 1.2rem; font-size: var(--fs-tiny); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.6; pointer-events: none; }

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-group { display: flex; flex-wrap: wrap; gap: 1rem; }

/* -------------------------------------------------------------------------
   5. Header / Navigation
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), height var(--dur-fast) var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 8px 30px -18px rgba(10, 14, 25, 0.25);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  color: var(--color-text);
  flex-shrink: 0;
}
.logo-mark-img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.logo-sub {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.main-nav a {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0.4rem 0;
  transition: color var(--dur-fast) var(--ease);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--color-accent);
  transition: right var(--dur-fast) var(--ease);
}
.main-nav a:hover, .main-nav a.active { color: var(--color-text); }
.main-nav a:hover::after, .main-nav a.active::after { right: 0; }

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

.lang-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  background: var(--color-bg-alt);
}
.lang-toggle-icon {
  width: 15px;
  height: 15px;
  margin-left: 8px;
  margin-right: 2px;
  color: var(--color-text-faint);
  flex-shrink: 0;
}
.lang-btn {
  border: none;
  background: transparent;
  font-size: var(--fs-tiny);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.lang-btn.active { background: var(--color-text); color: #fff; }
.lang-btn:not(.active):hover { color: var(--color-accent); }

.header-cta {
  display: inline-flex;
  border-radius: 999px;
  padding: 0.65rem 1.5rem;
  box-shadow: 0 6px 18px -8px rgba(0, 82, 255, 0.5);
}
.header-cta:hover { box-shadow: 0 10px 24px -8px rgba(0, 82, 255, 0.55); }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav-panel { display: none; }

@media (max-width: 899px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    /* NOTE: .site-header uses backdrop-filter, which makes it the
       containing block for this fixed element — `bottom: 0` would resolve
       against the header's own (76px) box instead of the viewport,
       collapsing the panel to a sliver. Use an explicit viewport-based
       height instead so it always fills down to the bottom of the screen. */
    height: calc(100vh - var(--header-h));
    background: var(--color-bg);
    padding: var(--space-6) var(--container-pad);
    display: flex;
    flex-direction: column;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), visibility var(--dur-fast);
    overflow-y: auto;
  }
  .main-nav.is-open { opacity: 1; transform: translateY(0); visibility: visible; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav a {
    display: block;
    padding: 1rem 0.25rem;
    font-size: 1.05rem;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }
  .main-nav a::after { display: none; }

  /* The header's own language switcher and CTA are hidden on mobile —
     they are duplicated inside the slide-out panel below instead, so the
     header row only ever has to fit the logo + a single toggle button. */
  .header-actions .lang-toggle { display: none; }
  .header-cta { display: none; }

  .mobile-nav-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-5);
    margin-top: var(--space-6);
    padding-top: var(--space-6);
  }
  .mobile-nav-panel .btn { width: 100%; }
}
@media (min-width: 900px) {
  .nav-toggle { display: none; }
}

/* -------------------------------------------------------------------------
   6. Hero
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: clamp(3.5rem, 6vw, 6rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(0, 15, 90, 0.75) 0%, rgba(0, 60, 220, 0.55) 40%, rgba(0, 82, 255, 0.3) 70%, rgba(0, 82, 255, 0.12) 100%),
    url("/images/home-picture.jpeg") center/cover no-repeat;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -15% -10%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(
      55% 60% at 28% 28%,
      rgba(255, 255, 255, 0.85) 0%,
      rgba(255, 255, 255, 0.55) 35%,
      rgba(210, 228, 255, 0.25) 55%,
      rgba(0, 82, 255, 0) 78%
    ),
    radial-gradient(
      95% 42% at 50% 82%,
      rgba(255, 255, 255, 0.6) 0%,
      rgba(255, 255, 255, 0.35) 45%,
      rgba(0, 82, 255, 0) 82%
    );
  filter: blur(40px);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
  align-items: end;
}
.hero-content {
  max-width: 760px;
}
.hero-content h1 { margin-bottom: var(--space-5); }
.hero-content .lead { margin-bottom: var(--space-6); max-width: 560px; }

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

.hero-stat .stat-value {
  display: block;
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  text-shadow: 0 1px 16px rgba(255, 255, 255, 0.65);
}
.hero-stat .stat-label {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  text-shadow: 0 1px 12px rgba(255, 255, 255, 0.75);
}

@media (min-width: 700px) {
  .hero-meta { grid-template-columns: repeat(4, 1fr); }
}

.page-hero {
  padding-top: clamp(3rem, 5vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.page-hero .eyebrow { margin-bottom: var(--space-4); }
.page-hero h1 { max-width: 820px; }
.page-hero .lead { max-width: 640px; margin-top: var(--space-5); }

/* -------------------------------------------------------------------------
   7. Grids & Cards
   ------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-6);
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 700px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: transform var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px -28px rgba(10, 14, 25, 0.22);
  border-color: #d7dce3;
}

.icon-badge {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}
.icon-badge svg { width: 24px; height: 24px; }

.card h3 { margin-bottom: var(--space-3); }
.card p { font-size: var(--fs-small); }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: var(--space-5);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-accent);
}
.card-link svg { width: 14px; height: 14px; transition: transform var(--dur-fast) var(--ease); }
.card-link:hover svg { transform: translateX(3px); }

/* Split layout (intro / mission / vision) */
.split {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; gap: var(--space-9); }
  .split--reverse { direction: rtl; }
  .split--reverse > * { direction: ltr; }
}

.media-block {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, #101521 0%, #1c2436 45%, #0052ff 130%);
  position: relative;
  overflow: hidden;
}
.media-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.media-block--alt {
  background: linear-gradient(160deg, #eef1f5 0%, #dfe4eb 60%, #c9d3e0 130%);
}
.media-block--alt::before { background-image:
    linear-gradient(rgba(10,14,25,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,14,25,0.05) 1px, transparent 1px); }

.media-tag {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
  color: #fff;
  font-size: var(--fs-tiny);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(10, 14, 25, 0.55);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.media-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-block::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 25, 0.55) 0%, rgba(10, 14, 25, 0.08) 55%);
  pointer-events: none;
  z-index: 1;
}
.media-block .media-tag {
  z-index: 2;
}

/* Values grid */
.value-card { text-align: left; }
.value-number {
  font-size: var(--fs-tiny);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
  display: block;
}

/* Project cards */
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: transform var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.project-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -28px rgba(10,14,25,0.24); }
.project-card .media-block { aspect-ratio: 16/10; border-radius: 0; }
.project-card-body { padding: var(--space-6); }
.project-tag {
  display: inline-block;
  font-size: var(--fs-tiny);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.project-location {
  font-size: var(--fs-small);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: var(--space-7);
}
.filter-btn {
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-muted);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-size: var(--fs-small);
  font-weight: 600;
  transition: all var(--dur-fast) var(--ease);
}
.filter-btn:hover { border-color: var(--color-text); color: var(--color-text); }
.filter-btn.active { background: var(--color-text); border-color: var(--color-text); color: #fff; }

.project-item[hidden] { display: none; }

/* -------------------------------------------------------------------------
   8. Services detail sections
   ------------------------------------------------------------------------- */
.service-block {
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.service-block:last-of-type { border-bottom: none; }
.service-block-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 900px) {
  .service-block-grid { grid-template-columns: 0.9fr 1.1fr; gap: var(--space-9); }
}
.service-index {
  font-size: var(--fs-tiny);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
  display: block;
}
.service-lists {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-6);
}
@media (min-width: 600px) {
  .service-lists { grid-template-columns: 1fr 1fr; }
}
.service-lists h4 {
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.check-list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: var(--space-3);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.35rem;
  width: 14px; height: 14px;
  border-radius: 3px;
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent);
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 4px; top: 0.55rem;
  width: 6px; height: 3px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

/* -------------------------------------------------------------------------
   9. Timeline (About)
   ------------------------------------------------------------------------- */
.timeline { display: grid; gap: var(--space-6); }
.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: var(--space-5);
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-border);
}
.timeline-item:first-child { border-top: none; }
.timeline-year { font-weight: 700; color: var(--color-accent); }
.timeline-item h3 { margin-bottom: var(--space-2); font-size: var(--fs-h4); }
.timeline-item p { font-size: var(--fs-small); }

/* Expertise stats */
.stat-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: left;
}
.stat-card .stat-value {
  font-size: clamp(1.6rem, 1.3rem + 1vw, 2.25rem);
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-2);
}
.stat-card .stat-label { font-size: var(--fs-small); color: var(--color-text-muted); }

.region-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: var(--space-5);
}
.region-pill {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
}

/* -------------------------------------------------------------------------
   10. Careers
   ------------------------------------------------------------------------- */
.job-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
}
.job-card:hover { box-shadow: 0 20px 40px -28px rgba(10,14,25,0.22); border-color: #d7dce3; }
.job-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}
.job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-2);
}
.job-tag {
  font-size: var(--fs-tiny);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

/* -------------------------------------------------------------------------
   11. Forms
   ------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 600px) {
  .form-row-2 { grid-template-columns: 1fr 1fr; display: grid; gap: var(--space-5); }
}
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
}
.field .req { color: var(--color-accent); }
.field input,
.field textarea,
.field select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  background: var(--color-bg);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}
.field textarea { resize: vertical; min-height: 130px; }
.field-error {
  font-size: var(--fs-tiny);
  color: var(--color-danger);
  min-height: 1em;
}
.field.has-error input,
.field.has-error textarea,
.field.has-error select { border-color: var(--color-danger); }

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
}
.checkbox-field input { margin-top: 0.3rem; width: 16px; height: 16px; accent-color: var(--color-accent); flex-shrink: 0; }
.checkbox-field label { font-size: var(--fs-small); color: var(--color-text-muted); font-weight: 400; }
.checkbox-field a { color: var(--color-accent); font-weight: 600; }

.form-note { font-size: var(--fs-tiny); color: var(--color-text-faint); margin-top: var(--space-2); }

.form-status {
  display: none;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  font-weight: 600;
  margin-top: var(--space-5);
}
.form-status.is-visible { display: block; }
.form-status.success { background: #e9f8ef; color: var(--color-success); border: 1px solid #bfe8cf; }
.form-status.error { background: #fdecea; color: var(--color-danger); border: 1px solid #f6c6c1; }

/* -------------------------------------------------------------------------
   12. Contact page specifics
   ------------------------------------------------------------------------- */
.contact-info-grid {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 700px) { .contact-info-grid { grid-template-columns: repeat(2, 1fr); } }

.contact-info-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.contact-info-card h3 { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
.contact-info-card p { font-size: var(--fs-small); margin-bottom: var(--space-1); }
.contact-info-card .btn { margin-top: var(--space-4); }

.map-frame {
  width: 100%;
  aspect-ratio: 16/8;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  filter: grayscale(0.15) contrast(1.02);
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* -------------------------------------------------------------------------
   13. CTA band
   ------------------------------------------------------------------------- */
.cta-band {
  background: var(--color-bg-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(0,82,255,0.35), transparent 55%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; margin-bottom: var(--space-4); }
.cta-band p { color: var(--color-text-inverse-muted); max-width: 560px; margin-inline: auto; margin-bottom: var(--space-6); }
.cta-band .btn-group { justify-content: center; }

/* -------------------------------------------------------------------------
   14. Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse-muted);
  padding-top: var(--space-9);
}
.footer-grid {
  display: grid;
  gap: var(--space-7);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-dark);
}
@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
}
.footer-brand .logo { color: #fff; }
.footer-brand .logo-sub { color: var(--color-text-inverse-muted); }
.footer-brand p { margin-top: var(--space-5); max-width: 320px; font-size: var(--fs-small); }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: #fff;
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.footer-social a:hover { background: var(--color-accent); transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; }
.footer-col h4 {
  color: #fff;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-5);
}
.footer-col ul { display: grid; gap: var(--space-3); }
.footer-col a { font-size: var(--fs-small); transition: color var(--dur-fast) var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-col address { font-style: normal; font-size: var(--fs-small); line-height: var(--lh-snug); }
.footer-col p { font-size: var(--fs-small); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-6);
  font-size: var(--fs-tiny);
}
.footer-legal { display: flex; gap: var(--space-5); }
.footer-legal a:hover { color: #fff; }

/* -------------------------------------------------------------------------
   15. Scroll reveal animation
   ------------------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="fade"] { transform: none; }
[data-reveal="left"] { transform: translateX(-28px); }
[data-reveal="left"].is-visible { transform: translateX(0); }
[data-reveal="right"] { transform: translateX(28px); }
[data-reveal="right"].is-visible { transform: translateX(0); }

/* -------------------------------------------------------------------------
   16. Utilities
   ------------------------------------------------------------------------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.max-w-content { max-width: 720px; }
.divider {
  height: 1px;
  background: var(--color-border);
  margin-block: var(--space-8);
  border: none;
}

/* -------------------------------------------------------------------------
   17. Cookie consent banner
   ------------------------------------------------------------------------- */
.cookie-consent {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 500;
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  border-top: 1px solid var(--color-border-dark);
  box-shadow: 0 -12px 32px -12px rgba(0, 0, 0, 0.35);
  transform: translateY(0);
  transition: transform var(--dur-med) var(--ease), opacity var(--dur-med) var(--ease);
}
.cookie-consent[hidden] {
  display: flex;
  pointer-events: none;
  opacity: 0;
  transform: translateY(100%);
}
.cookie-consent-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-5) var(--container-pad);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.cookie-consent-text {
  flex: 1 1 420px;
  margin: 0;
  font-size: var(--fs-small);
  line-height: var(--lh-normal);
  color: var(--color-text-inverse-muted);
}
.cookie-consent-text a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.cookie-consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .cookie-consent-inner { flex-direction: column; align-items: stretch; }
  .cookie-consent-actions { justify-content: stretch; }
  .cookie-consent-actions .btn { flex: 1; }
}