/* ============================================================
   KAZHI — Premium Industrial Engineering
   Main Stylesheet
   ============================================================ */

@import url('https://fonts.bunny.net/css?family=firago:300,400,500,600,700,800,900&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* ── Brand Colors (from kazhi.ge) ── */
  --yellow-primary:   #EFCC3C;   /* logo & button gold */
  --yellow-hover:     #D4B030;   /* darker gold on hover */
  --yellow-light:     #FDF3C0;   /* very light yellow tint */

  /* Dark tones (footer, dark sections) */
  --bg-dark:        #1E1E28;   /* dominant dark — most common non-white px */
  --bg-dark2:       #22252C;   /* footer exact */
  --bg-mid:         #2B2D35;   /* slightly lighter dark */
  --bg-light:       #F4F5F7;   /* page background light */

  /* Neutral / text */
  --text-dark:      #2E3339;   /* nav link text */
  --text-body:      #3A3A3A;   /* section title / body text */
  --text-muted:     #6B7280;   /* secondary text */
  --steel:          #8A9099;
  --steel-light:    #A8B0BB;

  /* Card / section backgrounds */
  --card-bg:        #FFFFFF;   /* service cards */
  --section-light:  #F0F1F2;   /* light gray section bg */
  --section-mid:    #EDF1F2;   /* cards strip bg */
  --divider:        #DCDCDC;   /* borders & lines */

  /* Keep these as aliases for compatibility */
  --blue-primary:   #1E1E28;
  --blue-secondary: #2B2D35;
  --blue-accent:    #EFCC3C;
  --blue-deep:      #16161F;

  /* White shades */
  --white:          #FFFFFF;
  --white-90:       rgba(255,255,255,0.9);
  --white-60:       rgba(255,255,255,0.6);
  --white-20:       rgba(255,255,255,0.2);
  --white-10:       rgba(255,255,255,0.08);

  /* Typography */
  --font-display:   'FiraGO', sans-serif;
  --font-body:      'FiraGO', sans-serif;

  /* Spacing scale */
  --sp-xs:   0.5rem;
  --sp-sm:   1rem;
  --sp-md:   2rem;
  --sp-lg:   4rem;
  --sp-xl:   7rem;
  --sp-2xl:  10rem;

  /* Transitions */
  --ease:     cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast:   0.2s;
  --t-med:    0.4s;
  --t-slow:   0.7s;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-card: 0 4px 32px rgba(0,0,0,0.35);
  --shadow-blue: 0 8px 40px rgba(47,164,255,0.2);
  --shadow-glow: 0 0 60px rgba(47,164,255,0.15);
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-light);
  color: #edf1f2;
  line-height: 1.6;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ─────────────────────────────────────────────── */
.display-hero {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 8rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 5.5rem);
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

h1 { font-family: var(--font-display); font-weight: 800; }
h2 { font-family: var(--font-display); font-weight: 700; }
h3 { font-family: var(--font-display); font-weight: 600; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--yellow-hover);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--yellow-primary);
  flex-shrink: 0;
}

.body-lg { font-size: 1.125rem; line-height: 1.75; }
.body-md { font-size: 1rem; line-height: 1.7; }
.body-sm { font-size: 0.875rem; line-height: 1.6; }

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 4rem);
}

.container--wide {
  max-width: 1540px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 3vw, 3rem);
}

.section {
  padding: clamp(4rem, 8vw, 3rem) 0;
}

.section--dark  { background: #fafafa; }
.section--dark2 { background: var(--section-mid); }
.section--mid   { background: var(--section-light); }
.section--light { background: var(--bg-light); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  transition: all var(--t-med) var(--ease);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.05);
  transform: translateX(-100%);
  transition: transform var(--t-med) var(--ease);
}

.btn:hover::before { transform: translateX(0); }

.btn-primary {
  background: var(--yellow-primary);
  color: var(--bg-dark);
}
.btn-primary:hover {
  background: var(--yellow-hover);
  box-shadow: 0 8px 32px rgba(239,204,60,0.35);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1.5px solid var(--divider);
  color: var(--text-dark);
}
.btn-outline:hover {
  border-color: var(--yellow-primary);
  color: var(--yellow-hover);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--yellow-hover);
  padding: 0;
  gap: 0.5rem;
}
.btn-ghost:hover { gap: 1rem; }

.btn-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1.5px solid var(--white-20);
  transition: all var(--t-fast) var(--ease);
}
.btn-icon:hover {
  border-color: var(--blue-accent);
  color: var(--blue-accent);
}

/* ── Arrow Icon ─────────────────────────────────────────────── */
.arrow-right {
  display: inline-block;
  width: 20px;
  height: 20px;
  position: relative;
}
.arrow-right::after {
  content: '→';
  font-size: 1.1rem;
}

/* ── Section Header ─────────────────────────────────────────── */
.section-header {
  margin-bottom: 4rem;
}
.section-header--center { text-align: center; }
.section-header--center .eyebrow { justify-content: center; }
.section-header--center .eyebrow::before { display: none; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.05;
  margin-top: 0.75rem;
  color: var(--text-body);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-top: 1rem;
  max-width: 540px;
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--divider);
  transition: all var(--t-med) var(--ease);
}

.nav--scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  padding: 0.875rem 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav__logo-mark {
  width: 40px;
  height: 40px;
  background: var(--yellow-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__logo-mark svg {
  width: 24px;
  height: 24px;
  fill: var(--bg-dark);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--text-body);
}

.nav__logo-sub {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast) var(--ease);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-body);
  background: var(--section-mid);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--yellow-primary);
  border-radius: 1px;
}

/* Dropdown */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  background: var(--white);
  border: 1px solid var(--divider);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--t-fast) var(--ease);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
}

.nav__dropdown:hover .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-item {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast) var(--ease);
}

.nav__dropdown-item:hover {
  color: var(--text-body);
  background: var(--section-mid);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--section-mid);
  border-radius: var(--radius-sm);
  padding: 0.25rem;
}

.lang-btn {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
  transition: all var(--t-fast) var(--ease);
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--yellow-primary);
  color: var(--bg-dark);
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg-dark);
  background: var(--yellow-primary);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast) var(--ease);
}

.nav__cta:hover {
  background: var(--yellow-hover);
  transform: translateY(-1px);
}

/* Mobile menu toggle */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  cursor: pointer;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-body);
  border-radius: 1px;
  transition: all var(--t-fast) var(--ease);
}

.nav__burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__burger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.nav__mobile {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-dark);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 6rem 2rem 3rem;
  transform: translateX(100%);
  transition: transform var(--t-med) var(--ease);
  overflow-y: auto;
}

.nav__mobile.open {
  transform: translateX(0);
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--white-60);
  padding: 1rem 0;
  border-bottom: 1px solid var(--white-10);
  transition: color var(--t-fast) var(--ease);
}

.nav__mobile-link:hover {
  color: var(--yellow-primary);
}

.nav__mobile-footer {
  margin-top: auto;
  padding-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--bg-dark2);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 5rem 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--white-10);
}

.footer__brand p {
  color: var(--steel-light);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-top: 1.25rem;
  max-width: 320px;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--yellow-primary);
  margin-bottom: 1.5rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__link {
  font-size: 0.9rem;
  color: var(--steel-light);
  transition: color var(--t-fast) var(--ease);
}

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

.footer__contact-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--steel-light);
  font-size: 0.9rem;
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--yellow-primary);
}

.footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.footer__social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--white-20);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-light);
  transition: all var(--t-fast) var(--ease);
  font-size: 0.85rem;
}

.footer__social-link:hover {
  border-color: var(--yellow-primary);
  color: var(--yellow-primary);
  background: rgba(239,204,60,0.1);
}

.footer__bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--steel);
}

.footer__bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer__bottom-link {
  font-size: 0.8rem;
  color: var(--steel);
  transition: color var(--t-fast) var(--ease);
}

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

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--divider);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--t-med) var(--ease);
}

.card:hover {
  border-color: var(--yellow-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
}

.card__img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
}

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

.card__body { padding: 1.75rem; }

.card__tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--yellow-hover);
  margin-bottom: 0.75rem;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  color: var(--text-body);
}

.card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── Service Card ────────────────────────────────────────────── */
.service-card {
  background: var(--white);
  border: 1px solid var(--divider);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  transition: all var(--t-med) var(--ease);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--yellow-hover), var(--yellow-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med) var(--ease);
}

.service-card:hover::before { transform: scaleX(1); }

.service-card:hover {
  border-color: var(--yellow-primary);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.10);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
  transition: all var(--t-fast) var(--ease);
}


.service-card__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--yellow-hover);
  fill: none;
  stroke-width: 1.5;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.875rem;
  color: var(--text-body);
}

.service-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* ── Stat Block ─────────────────────────────────────────────── */
.stat-block {
  text-align: center;
  padding: 2rem;
  position: relative;
}

.stat-block::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 1px;
  background: var(--divider);
}

.stat-block:first-child::before { display: none; }

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 900;
  color: var(--yellow-hover);
  line-height: 1;
  display: block;
}

.stat-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.5rem;
  display: block;
}

/* ── Divider ─────────────────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--divider);
}

/* ── Tag / Badge ─────────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  background: rgba(239,204,60,0.15);
  color: var(--yellow-hover);
  border: 1px solid rgba(239,204,60,0.4);
}

/* ── Animations ─────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ── Page Hero ───────────────────────────────────────────────── */
.page-hero {
  min-height: 55vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 7rem;
  padding-bottom: 4rem;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.3) saturate(0.7);
  transform: scale(1.05);
  transition: transform 8s var(--ease);
}

.page-hero:hover .page-hero__bg {
  transform: scale(1.08);
}

.page-hero__overlay {
  position: absolute;
  inset: 0;

}

.page-hero__content {
  position: relative;
  z-index: 1;
}

.page-hero__eyebrow {
  color: var(--blue-accent);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-hero__eyebrow::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--blue-accent);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.95;
  margin-bottom: 1.5rem;
}

.page-hero__desc {
  color: var(--white-60);
  font-size: 1.1rem;
  max-width: 540px;
  line-height: 1.75;
}

/* ── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-light);
  margin-bottom: 2rem;
}

.breadcrumb a { color: var(--steel-light); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--blue-accent); }
.breadcrumb span { color: var(--white-60); }

/* ── Form ────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel-light);
  margin-bottom: 0.625rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--white-10);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--white);
  outline: none;
  transition: border-color var(--t-fast) var(--ease);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--blue-accent);
  background: rgba(47,164,255,0.04);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--steel);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-select {
  appearance: none;
  cursor: pointer;
}

/* ── Horizontal Rule ────────────────────────────────────────── */
hr {
  border: none;
  border-top: 1px solid var(--white-10);
  margin: 3rem 0;
}

/* ── Page Load Transition ───────────────────────────────────── */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.page-transition.active {
  opacity: 1;
  pointer-events: all;
}

/* ── Back to Top ────────────────────────────────────────────── */
.back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--yellow-primary);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--t-med) var(--ease);
  z-index: 500;
  color: var(--bg-dark);
}

.back-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--yellow-hover);
  transform: translateY(-3px);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .nav__links,
  .nav__cta { display: none; }
  .nav__burger { display: flex; }
}

@media (max-width: 600px) {
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .section { padding: 4rem 0; }
  .stat-block::before { display: none; }
}