/* ============================================
   Global Power Services, Inc. — Styles
   Brand: Black · White · Yellow · Grey
   ============================================ */

:root {
  --yellow: #f5c518;
  --yellow-bright: #ffd84d;
  --yellow-dim: #c9a012;
  --black: #0a0a0a;
  --black-soft: #111111;
  --grey-900: #1a1a1a;
  --grey-800: #252525;
  --grey-700: #333333;
  --grey-500: #6b6b6b;
  --grey-400: #999999;
  --grey-200: #e0e0e0;
  --white: #f5f5f5;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-display: 'Syne', 'Inter', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 60px rgba(245, 197, 24, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

/* Background grid */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 197, 24, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 197, 24, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.lightning-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(245, 197, 24, 0.35);
  border-radius: 12px;
  background: rgba(26, 26, 26, 0.92);
  color: var(--yellow);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition), border-color var(--transition);
}

.scroll-top svg {
  width: 22px;
  height: 22px;
}

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

.scroll-top:hover {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}

.scroll-top:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.call-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 95;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--yellow);
  color: var(--black);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.call-bar svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.call-bar strong {
  font-weight: 700;
}

/* ========== LIGHTBOX ========== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(4px);
}

.lightbox__dialog {
  position: relative;
  z-index: 1;
  max-width: min(1100px, 96vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox__img {
  max-width: 100%;
  max-height: calc(90vh - 80px);
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.lightbox__caption {
  margin-top: 16px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white);
  text-align: center;
}

.lightbox__close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: var(--grey-800);
  color: var(--white);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox__close:hover {
  background: var(--yellow);
  color: var(--black);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: 1px solid var(--grey-700);
  border-radius: 50%;
  background: rgba(26, 26, 26, 0.9);
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox__nav:hover {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}

.lightbox__nav--prev { left: -56px; }
.lightbox__nav--next { right: -56px; }

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.header--scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(245, 197, 24, 0.1);
}

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

.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.nav__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--grey-400);
  transition: color var(--transition);
}

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

.nav__cta {
  background: var(--yellow);
  color: var(--black) !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}

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

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

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

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

.btn--primary:hover {
  background: var(--yellow-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 197, 24, 0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--grey-700);
}

.btn--ghost:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

.btn--lg {
  padding: 16px 36px;
  font-size: 1rem;
}

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

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  z-index: 1;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/web/hero-bg-sm.jpg');
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(10, 10, 10, 0.94) 0%, rgba(10, 10, 10, 0.82) 45%, rgba(10, 10, 10, 0.7) 100%),
    linear-gradient(to top, rgba(10, 10, 10, 1) 0%, transparent 30%);
}

.hero__glow {
  position: absolute;
  top: 20%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 197, 24, 0.12) 0%, transparent 70%);
  pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-block: 60px 100px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 197, 24, 0.1);
  border: 1px solid rgba(245, 197, 24, 0.25);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--yellow);
  margin-bottom: 24px;
}

.hero__bolt {
  width: 16px;
  height: 16px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__highlight {
  display: block;
  color: var(--yellow);
}

.hero__desc {
  font-size: 1.125rem;
  color: var(--grey-400);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  gap: 40px;
}

.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--yellow);
}

.stat__label {
  font-size: 0.8125rem;
  color: var(--grey-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.hero__card {
  position: relative;
  width: 340px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grey-800);
  border-radius: 50%;
  box-shadow:
    0 0 0 1px var(--grey-700),
    var(--shadow-glow);
  animation: float 5s ease-in-out infinite;
}

.hero__logo-large {
  width: 280px;
  height: auto;
  position: relative;
  z-index: 2;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero__card-ring {
  position: absolute;
  inset: 0;
  border: 2px solid rgba(245, 197, 24, 0.2);
  border-radius: 50%;
  animation: spin-slow 20s linear infinite;
}

.hero__card-ring::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--yellow);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px var(--yellow);
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--grey-500);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition);
}

.hero__scroll svg {
  width: 20px;
  height: 20px;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.hero__scroll:hover {
  color: var(--yellow);
}

/* ========== SECTIONS ========== */
.section {
  position: relative;
  padding-block: 100px;
  z-index: 1;
}

.section__header {
  margin-bottom: 56px;
}

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

.section__header--center .section__subtitle {
  margin-inline: auto;
}

.section__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--yellow);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section__subtitle {
  margin-top: 16px;
  font-size: 1.0625rem;
  color: var(--grey-400);
  max-width: 560px;
  line-height: 1.7;
}

/* ========== ABOUT ========== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about__text p {
  color: var(--grey-400);
  margin-bottom: 20px;
  font-size: 1.0625rem;
  line-height: 1.75;
}

.about__list {
  margin-top: 28px;
}

.about__list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--grey-200);
  font-size: 0.9375rem;
}

.about__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--yellow);
  border-radius: 2px;
}

.about__cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-card {
  background: var(--grey-900);
  border: 1px solid var(--grey-800);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(245, 197, 24, 0.3);
  transform: translateX(8px);
}

.feature-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(245, 197, 24, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card__icon svg {
  width: 22px;
  height: 22px;
  color: var(--yellow);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--grey-500);
  line-height: 1.6;
}

/* ========== SERVICES ========== */
.services {
  background: var(--black-soft);
}

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

.service-card {
  background: var(--grey-900);
  border: 1px solid var(--grey-800);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

.service-card:hover {
  border-color: rgba(245, 197, 24, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.service-card--featured {
  background: linear-gradient(135deg, var(--grey-900) 0%, rgba(245, 197, 24, 0.05) 100%);
  border-color: rgba(245, 197, 24, 0.2);
}

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

.service-card__num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(245, 197, 24, 0.15);
  line-height: 1;
  margin-bottom: 16px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card > p {
  font-size: 0.9375rem;
  color: var(--grey-400);
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-card ul li {
  position: relative;
  padding-left: 20px;
  font-size: 0.875rem;
  color: var(--grey-500);
  margin-bottom: 8px;
}

.service-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--yellow);
}

.services__download {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

/* ========== EQUIPMENT ========== */
.equipment__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.equip-card {
  background: var(--grey-900);
  border: 1px solid var(--grey-800);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.equip-card:hover {
  border-color: rgba(245, 197, 24, 0.25);
}

.equip-card--accent {
  background: linear-gradient(135deg, rgba(245, 197, 24, 0.08) 0%, var(--grey-900) 100%);
  border-color: rgba(245, 197, 24, 0.3);
}

.equip-card__header {
  margin-bottom: 16px;
}

.equip-card__volt {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--yellow);
  background: rgba(245, 197, 24, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.equip-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.equip-card > p {
  font-size: 0.9375rem;
  color: var(--grey-400);
  line-height: 1.65;
  margin-bottom: 20px;
}

.equip-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.equip-card__specs span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--grey-500);
  background: var(--grey-800);
  padding: 6px 12px;
  border-radius: 6px;
}

/* ========== OUR WORK ========== */
.work__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.work__item {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--grey-800);
  aspect-ratio: 4 / 3;
  cursor: pointer;
}

.work__item:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.work__item--wide {
  grid-column: span 2;
}

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

.work__item:hover img {
  transform: scale(1.05);
}

.work__item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px 16px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--white);
  background: linear-gradient(to top, rgba(10, 10, 10, 0.9), transparent);
  transform: translateY(100%);
  transition: transform var(--transition);
}

.work__item:hover figcaption {
  transform: translateY(0);
}

/* ========== PROCESS ========== */
.process {
  background: var(--black-soft);
}

.process__steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin-inline: auto;
}

.process__step {
  flex: 1;
  text-align: center;
  padding: 0 20px;
}

.process__circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 0 30px rgba(245, 197, 24, 0.3);
}

.process__step h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process__step p {
  font-size: 0.875rem;
  color: var(--grey-500);
  line-height: 1.6;
}

.process__connector {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--yellow-dim), var(--yellow), var(--yellow-dim));
  margin-top: 32px;
  flex-shrink: 0;
}

/* ========== CTA BANNER ========== */
.cta-banner {
  padding-block: 60px;
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: linear-gradient(135deg, rgba(245, 197, 24, 0.12) 0%, rgba(245, 197, 24, 0.03) 100%);
  border: 1px solid rgba(245, 197, 24, 0.25);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
}

.cta-banner__text h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.cta-banner__text p {
  color: var(--grey-400);
  font-size: 1rem;
}

/* ========== CONTACT ========== */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact__info > p {
  color: var(--grey-400);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact__item svg {
  width: 22px;
  height: 22px;
  color: var(--yellow);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__item strong {
  display: block;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--grey-500);
  margin-bottom: 4px;
}

.contact__item a {
  color: var(--white);
  transition: color var(--transition);
}

.contact__item a:hover {
  color: var(--yellow);
}

.contact__item span {
  color: var(--grey-200);
  font-size: 0.9375rem;
}

.contact__form {
  position: relative;
  background: var(--grey-900);
  border: 1px solid var(--grey-800);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form__group {
  margin-bottom: 20px;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form__group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--grey-400);
  margin-bottom: 8px;
}

.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  background: var(--grey-800);
  border: 1px solid var(--grey-700);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--white);
  transition: border-color var(--transition);
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: var(--grey-500);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--yellow);
}

.form__group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.form__group textarea {
  resize: vertical;
  min-height: 100px;
}

.form__honey {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form__note {
  text-align: center;
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--yellow);
}

.form__note--error {
  color: #f87171;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ========== FOOTER ========== */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--grey-800);
  padding-block: 48px;
}

.footer__inner {
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 16px;
}

.footer__logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.footer__brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
}

.footer__brand span {
  font-size: 0.8125rem;
  color: var(--grey-500);
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--grey-500);
  margin-bottom: 20px;
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--grey-700);
}

/* ========== SCROLL REVEAL ========== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.work__item.reveal {
  transition-delay: inherit;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__desc {
    margin-inline: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }

  .hero__card {
    width: 280px;
    height: 280px;
  }

  .hero__logo-large {
    width: 230px;
  }

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

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

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

  .work__item--wide {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    border-bottom: 1px solid var(--grey-800);
  }

  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
  }

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

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

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

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

  .process__steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .process__connector {
    width: 2px;
    height: 40px;
    margin-top: 0;
  }

  .cta-banner__inner {
    flex-direction: column;
    text-align: center;
    padding: 36px 28px;
  }

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

  .hero__stats {
    flex-direction: column;
    gap: 20px;
  }

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

  .work__item--wide {
    grid-column: span 1;
  }

  .work__item figcaption {
    transform: translateY(0);
  }

  .call-bar {
    display: flex;
  }

  body {
    padding-bottom: 52px;
  }

  .scroll-top {
    bottom: 68px;
  }

  .lightbox__nav--prev { left: 8px; }
  .lightbox__nav--next { right: 8px; }
  .lightbox__close { top: 8px; right: 8px; }
}