:root {
  --neon: #7cff4a;
  --neon-dim: #5de033;
  --neon-glow: rgba(124, 255, 74, 0.35);
  --neon-soft: rgba(124, 255, 74, 0.12);
  --black: #181818;
  --black-2: #1f1f1f;
  --black-3: #272727;
  --panel: #2c2c2c;
  --white: #ffffff;
  --muted: #9a9a9a;
  --text: #e8e8e8;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --ease: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  --page-pad: clamp(20px, 5vw, 56px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

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

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

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

ul, ol {
  list-style: none;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.section-meta {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 12px;
}

/* Buttons */
.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  background: var(--neon);
  color: var(--black);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--ease);
}

.btn-pill:hover {
  background: var(--neon-dim);
  box-shadow: 0 0 24px var(--neon-glow);
  transform: translateY(-1px);
}

.btn-pill--full {
  width: 100%;
  margin-top: 8px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--ease);
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 8px var(--page-pad);
  transition: background var(--ease), border-color var(--ease), backdrop-filter var(--ease);
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: rgba(24, 24, 24, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(124, 255, 74, 0.1);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  max-width: 1140px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.nav {
  display: flex;
  gap: 24px;
}

.nav-left { justify-content: flex-end; }
.nav-right { justify-content: flex-start; }

.nav-link {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  letter-spacing: 0.02em;
  transition: color var(--ease);
}

.nav-link:hover {
  color: var(--neon);
}

.logo img {
  height: 72px;
  width: auto;
  transition: height var(--ease);
}

.header.is-scrolled .logo img {
  height: 56px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  justify-self: end;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
  transition: var(--ease);
}

.nav-mobile {
  display: none;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 0.95rem;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
}

.nav-mobile a:hover {
  color: var(--neon);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 88px 0 40px;
}

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

.hero-bg video,
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.48) contrast(1.08);
}

.hero-bg video {
  position: absolute;
  inset: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(24, 24, 24, 0.55) 0%, rgba(24, 24, 24, 0.22) 35%, rgba(24, 24, 24, 0.9) 100%),
    radial-gradient(ellipse at 15% 40%, rgba(124, 255, 74, 0.12), transparent 45%);
}

.hero-shell {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--page-pad);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  min-height: calc(100svh - 100px);
}

.hero-content {
  max-width: 540px;
  margin-top: clamp(56px, 6vh, 84px);
}

.hero-anim {
  opacity: 0;
  transform: translateY(18px);
  animation: hero-rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--d, 0s);
}

@keyframes hero-rise {
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 14px;
}

.hero-content h1 {
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  margin-bottom: 14px;
  text-shadow: 0 4px 28px rgba(0, 0, 0, 0.45);
}

.hero-copy {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1rem;
  max-width: 440px;
  margin-bottom: 24px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-thumbs {
  align-self: flex-end;
  max-width: 100%;
}

.thumbs-track {
  display: flex;
  gap: 12px;
}

.thumb {
  width: 108px;
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  color: var(--white);
}

.thumb img {
  width: 100%;
  height: 64px;
  object-fit: cover;
  border-radius: 4px;
  opacity: 0.55;
  transition: var(--ease);
  border: 2px solid transparent;
}

.thumb span {
  display: block;
  margin-top: 6px;
  font-size: 0.72rem;
  font-family: var(--font-display);
  opacity: 0.75;
}

.thumb:hover img,
.thumb:focus-visible img {
  opacity: 1;
  border-color: var(--neon);
  box-shadow: 0 0 16px var(--neon-glow);
}

.thumb:hover span,
.thumb:focus-visible span {
  opacity: 1;
  color: var(--neon);
}

/* Impact + testimonials */
.impact {
  background: var(--black);
  padding: 64px 0 72px;
}

.impact-banner {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  border: 1px solid rgba(124, 255, 74, 0.12);
  border-radius: 8px;
}

.impact-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.45);
}

.impact-banner-content {
  position: relative;
  z-index: 1;
  padding: clamp(28px, 4vw, 48px);
  max-width: 520px;
}

.impact-banner-content h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  margin-bottom: 22px;
  color: var(--white);
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.testimonial {
  padding: 24px;
  background: var(--black-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}

.testimonial-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--panel);
  color: var(--neon);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  line-height: 1;
  letter-spacing: 0.06em;
  text-align: center;
  flex-shrink: 0;
  border: 1px solid rgba(124, 255, 74, 0.25);
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  /* optical vertical centering for uppercase glyphs */
  padding-top: 1px;
}

.testimonial-head strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--white);
}

.testimonial-head span {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
}

.testimonial p {
  font-size: 0.92rem;
  color: #b5b5b5;
  line-height: 1.55;
}

/* About — robust */
.about {
  background: var(--black-2);
  padding: 64px 0;
}

.about-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.15fr;
  gap: 56px;
  align-items: center;
}

.about-visual {
  position: relative;
  border: 1px solid rgba(124, 255, 74, 0.15);
  background: var(--black-3);
  padding: 10px;
}

.about-visual img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(0.1) contrast(1.05);
}

.about-copy h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 18px;
}

.about-copy > p {
  color: var(--muted);
  margin-bottom: 14px;
  font-size: 0.98rem;
}

.about-lead {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 8px !important;
}

.about-lead strong {
  color: var(--neon);
}

.about-policy {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-policy h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.about-policy > p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.about-coverage {
  color: #c4c4c4 !important;
  font-size: 0.92rem !important;
}

.about-coverage strong {
  color: var(--neon);
  font-weight: 600;
}

.about-cta {
  margin-top: 28px;
}

/* Service blocks (one service per section) */
.service-block {
  background: var(--black);
  padding: 64px 0;
}

.service-block--alt {
  background: var(--black-2);
}

.service-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}

.service-layout--reverse {
  direction: rtl;
}

.service-layout--reverse > * {
  direction: ltr;
}

.service-media > img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border: 1px solid rgba(124, 255, 74, 0.12);
}

.service-shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

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

.service-shots--single {
  grid-template-columns: 1fr;
}

.service-shots--wide {
  grid-template-columns: 1fr;
}

.service-shots img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  object-position: center;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.service-shots--single img,
.service-shots--wide img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center center;
}

.service-media--expert {
  position: relative;
}

.expert-collage {
  position: relative;
  min-height: 460px;
}

.expert-bg {
  position: absolute;
  object-fit: cover;
  border: 1px solid rgba(124, 255, 74, 0.12);
}

.expert-bg--main {
  top: 0;
  left: 0;
  width: 78%;
  height: 70%;
  z-index: 1;
}

.expert-bg--side {
  right: 0;
  bottom: 8%;
  width: 48%;
  height: 48%;
  z-index: 2;
}

.expert-card {
  position: absolute;
  left: 50%;
  top: 52%;
  transform: translate(-50%, -42%);
  z-index: 3;
  width: min(58%, 260px);
  margin: 0;
}

.expert-card picture {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border: 3px solid var(--black-2);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  background: var(--black-3);
}

.expert-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  border: none;
  box-shadow: none;
  display: block;
}

.expert-badge {
  position: absolute;
  left: 50%;
  bottom: -18px;
  transform: translateX(-50%);
  width: max-content;
  max-width: 120%;
  background: var(--black-3);
  border: 1px solid rgba(124, 255, 74, 0.35);
  padding: 10px 16px;
  text-align: center;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.expert-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.88rem;
  color: var(--white);
  line-height: 1.25;
}

.expert-badge span {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--neon);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.service-copy h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 16px;
}

.service-copy > p {
  color: var(--muted);
  margin-bottom: 22px;
  font-size: 1rem;
  max-width: 460px;
}

.service-points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.service-points li {
  position: relative;
  padding-left: 22px;
  color: #d0d0d0;
  font-size: 0.95rem;
}

.service-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--neon);
}

.service-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Advantages FAQ (legacy kept if present) */
.advantages {
  background: var(--black);
  padding: 64px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.15fr;
  gap: 56px;
  align-items: center;
}

.advantages-visual {
  border: 1px solid rgba(124, 255, 74, 0.12);
  background: var(--black-3);
  padding: 8px;
}

.advantages-visual img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: opacity 0.4s ease;
}

.advantages-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 20px;
}

.adv-faq {
  display: flex;
  flex-direction: column;
}

.adv-item {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.adv-item:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.adv-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--ease);
}

.adv-item.is-open .adv-trigger,
.adv-trigger:hover {
  color: var(--neon);
}

.adv-icon {
  width: 18px;
  height: 18px;
  position: relative;
  flex-shrink: 0;
}

.adv-icon::before,
.adv-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  transition: var(--ease);
}

.adv-icon::before {
  width: 100%;
  height: 2px;
  top: 8px;
  left: 0;
}

.adv-icon::after {
  width: 2px;
  height: 100%;
  left: 8px;
  top: 0;
}

.adv-item.is-open .adv-icon::after {
  transform: scaleY(0);
}

.adv-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}

.adv-item.is-open .adv-panel {
  grid-template-rows: 1fr;
}

.adv-panel > p {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 460px;
  padding-bottom: 0;
}

.adv-item.is-open .adv-panel > p {
  padding-bottom: 18px;
}

/* How we work */
.how {
  background: var(--black-2);
  padding: 64px 0;
}

.how-head {
  margin-bottom: 28px;
  max-width: 520px;
}

.how-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 10px;
}

.how-head p {
  color: var(--muted);
}

.how-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.how-step {
  background: var(--black-3);
  padding: 26px 22px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  min-height: 220px;
  opacity: 0.42;
  transform: translateY(4px);
  transition: opacity 0.35s ease, transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  cursor: pointer;
}

.how-step.is-active {
  opacity: 1;
  transform: translateY(0);
  border-color: rgba(124, 255, 74, 0.35);
  box-shadow: 0 0 0 1px rgba(124, 255, 74, 0.1), 0 18px 40px rgba(0, 0, 0, 0.35);
}

.how-icon {
  display: flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--black);
}

.how-icon svg {
  width: 20px;
  height: 20px;
}

.how-step.is-active .how-icon {
  color: var(--neon);
  border-color: rgba(124, 255, 74, 0.4);
  background: rgba(124, 255, 74, 0.08);
}

.how-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 10px;
  font-size: 0.85rem;
}

.how-step.is-active .how-num {
  color: var(--neon);
}

.how-step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.how-step p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.how-cta {
  margin-top: 40px;
}

/* Services */
.services {
  background: var(--black);
  padding: 64px 0 48px;
  position: relative;
}

.services-head {
  margin-bottom: 28px;
  max-width: 560px;
}

.services-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 10px;
}

.services-head p {
  color: var(--muted);
}

.services-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.pillar {
  padding: 28px 24px;
  background: var(--black-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color var(--ease);
}

.pillar:hover {
  border-color: rgba(124, 255, 74, 0.3);
}

.pillar-icon {
  display: flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--neon);
  border: 1px solid rgba(124, 255, 74, 0.3);
  background: rgba(124, 255, 74, 0.06);
}

.pillar-icon svg {
  width: 22px;
  height: 22px;
}

.pillar h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

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

/* Equipment — side by side */
.equipment {
  background: var(--black-2);
  padding: 48px 0 64px;
}

.equip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.equip-card {
  display: flex;
  flex-direction: column;
  background: var(--black-3);
  border: 1px solid rgba(124, 255, 74, 0.08);
  padding: 20px;
}

.equip-gallery {
  overflow: hidden;
}

.equip-main {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: center;
  background: var(--black-2);
}

.equip-thumbs {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.equip-thumbs button {
  width: 56px;
  height: 42px;
  padding: 0;
  border: 2px solid transparent;
  background: var(--black-2);
  overflow: hidden;
  cursor: pointer;
  transition: var(--ease);
}

.equip-thumbs button.is-active,
.equip-thumbs button:hover {
  border-color: var(--neon);
}

.equip-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.equip-info {
  margin-top: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.equip-info h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.equip-info p {
  color: var(--muted);
  margin-bottom: 20px;
  flex: 1;
  font-size: 0.92rem;
}

.services-footer {
  margin-top: 36px;
  text-align: center;
}

/* Parts */
.parts {
  background: var(--black);
  padding: 64px 0;
}

.parts-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.parts-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.parts-tabs {
  display: flex;
  gap: 20px;
}

.parts-tab {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 0.9rem;
  cursor: pointer;
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
  transition: var(--ease);
}

.parts-tab.active,
.parts-tab:hover {
  color: var(--white);
  border-bottom-color: var(--neon);
}

.parts-search {
  max-width: 400px;
  margin-bottom: 28px;
}

.parts-search input {
  width: 100%;
  padding: 12px 16px;
  background: var(--black-3);
  border: 1px solid rgba(124, 255, 74, 0.2);
  border-radius: 4px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.parts-search input:focus {
  outline: none;
  border-color: var(--neon);
  box-shadow: 0 0 0 3px var(--neon-soft);
}

.parts-search input::placeholder {
  color: var(--muted);
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.part-card {
  background: var(--black-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: var(--ease);
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
  padding: 0;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.part-card:hover {
  border-color: var(--neon);
  transform: translateY(-2px);
}

.part-img {
  aspect-ratio: 1;
  background: var(--black-2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.part-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform var(--ease);
}

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

.part-body {
  padding: 14px 16px 18px;
}

.part-code {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.part-card h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
  line-height: 1.3;
}

.part-detail {
  font-size: 0.8rem;
  color: var(--muted);
}

.parts-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--muted);
}

/* Modal — fits viewport */
.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(4px);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  background: var(--black-3);
  border: 1px solid rgba(124, 255, 74, 0.15);
  max-width: 720px;
  width: 100%;
  max-height: min(90vh, 860px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  animation: modal-in 0.3s ease;
  overflow: hidden;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 2;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-size: 1.4rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  line-height: 1;
}

.modal-scroll {
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: auto;
  max-height: min(90vh, 860px);
  overscroll-behavior: contain;
}

.modal-img {
  background: var(--black-2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  min-height: 220px;
}

.modal-img img {
  max-height: min(42vh, 320px);
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.modal-body {
  padding: 28px 24px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.modal-body h3 {
  font-size: 1.2rem;
  margin: 4px 0 10px;
}

.modal-desc {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.modal-qty {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 14px;
}

.modal-qty input {
  width: 100px;
  padding: 10px 12px;
  background: var(--black);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-size: 1rem;
}

.modal-qty input:focus {
  outline: none;
  border-color: var(--neon);
}

/* Contact */
.contact {
  background: var(--black-2);
  padding: 64px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 8px;
}

.contact-lead {
  color: var(--muted);
  margin-bottom: 36px;
}

.contact-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--ease);
}

a.contact-row:hover .contact-value {
  color: var(--neon);
}

.contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--neon);
  font-family: var(--font-display);
}

.contact-value {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--white);
  transition: color var(--ease);
  font-style: normal;
}

.contact-map {
  min-height: 420px;
  overflow: hidden;
  border: 1px solid rgba(124, 255, 74, 0.15);
  filter: grayscale(0.8) contrast(1.1);
}

/* Footer */
.footer {
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--black);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  height: 52px;
  width: auto;
}

.footer-copy {
  text-align: center;
}

.footer p {
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-credit {
  margin-top: 4px;
  font-size: 0.8rem;
}

.footer-credit a {
  color: var(--neon);
  text-decoration: none;
  font-weight: 600;
}

.footer-credit a:hover {
  text-decoration: underline;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--ease);
}

.footer-social a:hover {
  color: var(--neon);
  border-color: var(--neon);
}

/* WhatsApp float */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  color: white;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.45);
  transition: var(--ease);
}

.wa-float:hover {
  transform: scale(1.08);
}

/* Responsive */
@media (max-width: 1024px) {
  .about-layout,
  .advantages-grid,
  .contact-grid,
  .service-layout,
  .service-layout--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .about-visual img,
  .advantages-visual img,
  .service-media > img {
    height: 320px;
  }

  .expert-collage {
    min-height: 420px;
  }

  .expert-card {
    width: min(62%, 220px);
  }

  .how-track,
  .testimonials,
  .equip-grid {
    grid-template-columns: 1fr 1fr;
  }

  .services-pillars {
    grid-template-columns: 1fr 1fr;
  }

  .modal-scroll {
    grid-template-columns: 1fr;
  }

  .modal-img img {
    max-height: min(28vh, 200px);
  }
}

@media (max-width: 768px) {
  :root {
    --page-pad: 18px;
  }

  html {
    scroll-padding-top: 80px;
  }

  .header {
    padding: 6px var(--page-pad);
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .menu-toggle {
    display: flex;
    z-index: 3;
  }

  .logo img {
    height: 52px;
  }

  .header.is-scrolled .logo img {
    height: 44px;
  }

  /* Closed by default — never takes layout space (fixes black scroll overlay) */
  .nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(24, 24, 24, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 8px var(--page-pad) 20px;
    border-bottom: 1px solid rgba(124, 255, 74, 0.15);
    max-height: min(70vh, 520px);
    overflow-y: auto;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  }

  .nav-mobile.open {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }

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

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
  }

  .hero {
    padding: 96px 0 24px;
    min-height: 100svh;
  }

  .hero-shell {
    min-height: calc(100svh - 120px);
    gap: 20px;
  }

  .hero-content {
    margin-top: clamp(48px, 8vh, 72px);
    max-width: 100%;
  }

  .hero-content h1 {
    font-size: clamp(1.55rem, 7vw, 2.1rem);
  }

  .hero-copy {
    font-size: 0.95rem;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero-actions .btn-pill,
  .hero-actions .btn-ghost {
    width: 100%;
  }

  .hero-thumbs {
    align-self: stretch;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-inline: calc(var(--page-pad) * -1);
    padding-inline: var(--page-pad);
    padding-bottom: 4px;
  }

  .hero-thumbs::-webkit-scrollbar {
    display: none;
  }

  .thumbs-track {
    width: max-content;
  }

  .thumb {
    width: 92px;
  }

  .thumb img {
    height: 54px;
  }

  .service-block,
  .how,
  .about,
  .equipment,
  .parts,
  .impact,
  .contact {
    padding: 48px 0;
  }

  .service-layout,
  .about-layout {
    gap: 28px;
  }

  .service-media > img,
  .about-visual img {
    height: 240px;
  }

  .service-shots img {
    height: 88px;
  }

  .service-shots--3 {
    grid-template-columns: 1fr 1fr;
  }

  .service-shots--3 img:last-child {
    grid-column: 1 / -1;
  }

  .service-shots--single img,
  .service-shots--wide img {
    height: 140px;
  }

  .service-copy > p,
  .about-copy > p {
    max-width: none;
  }

  .service-actions {
    flex-direction: column;
  }

  .service-actions .btn-pill,
  .service-actions .btn-ghost,
  .about-cta,
  .how-cta .btn-pill {
    width: 100%;
  }

  .impact-banner {
    min-height: 260px;
  }

  .impact-banner-content {
    padding: 24px 20px;
  }

  .testimonials,
  .how-track,
  .services-pillars,
  .equip-grid {
    grid-template-columns: 1fr;
  }

  .how-step {
    min-height: 0;
  }

  .equip-main {
    height: 200px;
  }

  .equip-thumbs {
    flex-wrap: wrap;
  }

  .parts-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .parts-tabs {
    gap: 14px;
    flex-wrap: wrap;
  }

  .parts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .expert-collage {
    min-height: 360px;
  }

  .expert-bg--main {
    width: 86%;
    height: 62%;
  }

  .expert-bg--side {
    width: 52%;
    height: 42%;
  }

  .expert-card {
    width: min(70%, 200px);
    top: 48%;
  }

  .expert-badge {
    padding: 8px 12px;
  }

  .expert-badge strong {
    font-size: 0.8rem;
  }

  .contact-map {
    min-height: 280px;
  }

  .modal {
    padding: 12px;
    align-items: flex-end;
  }

  .modal-dialog {
    max-height: 88vh;
    width: 100%;
  }

  .modal-scroll {
    max-height: 88vh;
  }

  .modal-body {
    padding: 18px 18px 22px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-logo {
    height: 44px;
  }

  .wa-float {
    bottom: 16px;
    right: 16px;
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 480px) {
  .logo img {
    height: 46px;
  }

  .header.is-scrolled .logo img {
    height: 40px;
  }

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

  .part-body {
    padding: 10px 12px 14px;
  }

  .part-card h4 {
    font-size: 0.82rem;
  }

  .expert-collage {
    min-height: 320px;
  }

  .expert-card {
    width: min(68%, 170px);
  }

  .btn-pill,
  .btn-ghost {
    padding: 12px 20px;
    font-size: 0.88rem;
  }
}

/* Scroll reveals */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--d, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--d, 0s);
}

.reveal-left.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--d, 0s);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: none;
}

.pillar,
.equip-card,
.testimonial,
.part-card {
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    border-color var(--ease),
    box-shadow var(--ease);
}

.pillar:hover,
.equip-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 255, 74, 0.28);
}

.impact-banner {
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.impact-banner.is-visible img {
  animation: banner-zoom 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes banner-zoom {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-scale,
  .hero-anim {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }

  .hero-bg img,
  .impact-banner.is-visible img {
    animation: none;
  }
}