/* Global styles for ArtAirCleaner landing page */
:root {
  --bg-main: #000000;
  --bg-alt: #050505;
  --bg-card: rgba(248, 247, 244, 0.04);
  --primary: #f8f7f4;
  --primary-accent: #f1ede4;
  --secondary: #c9a74d;
  --accent-gold: #d8b86a;
  --accent-soft: rgba(248, 247, 244, 0.22);
  --text-main: #f8f7f4;
  --text-muted: rgba(248, 247, 244, 0.6);
  --border-soft: rgba(248, 247, 244, 0.14);
  --shadow-card: 0 24px 55px rgba(0, 0, 0, 0.6);
  --max-width: 1200px;
  --transition: 200ms ease;
  --nav-height: 72px;
  font-size: 16px;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg-main);
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background: radial-gradient(110% 110% at 80% 10%, rgba(88, 98, 122, 0.18), transparent),
    radial-gradient(120% 120% at 10% 90%, rgba(29, 41, 60, 0.22), transparent), var(--bg-main);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  border-radius: 16px;
}

.page-wrapper {
  position: relative;
  overflow-x: hidden;
}

.parallax-logo {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  z-index: 0;
}

.parallax-logo__image {
  width: clamp(260px, 42vw, 540px);
  aspect-ratio: 1;
  background: url("assets/tlogo.png") center/contain no-repeat;
  opacity: 0.18;
  mix-blend-mode: screen;
  filter: saturate(1);
  margin-top: clamp(4rem, 12vh, 10rem);
  transition: opacity var(--transition);
}

main {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-height);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(16px);
  background: rgba(0, 0, 0, 0.82);
  border-bottom: 1px solid var(--border-soft);
  z-index: 10;
  transition: transform var(--transition);
  will-change: transform;
}

.lang-switcher {
  order: 3;
}

#lang-select {
  background: rgba(0,0,0,0.6);
  color: var(--text-main);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 0.35rem 0.6rem;
}

.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px,1px,1px,1px);
  white-space: nowrap;
}

.navbar--hidden {
  transform: translate3d(0, calc(-1 * var(--nav-height)), 0);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--secondary), var(--accent-gold));
  color: var(--bg-main);
  font-family: "Space Grotesk", sans-serif;
}

.nav-links {
  display: none;
  width: 100%;
  gap: 1.25rem;
  font-size: 0.95rem;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity var(--transition), transform var(--transition);
}

.nav-links a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-cta {
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  background: rgba(15, 18, 26, 0.9);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid rgba(248, 247, 244, 0.24);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
}

.nav-cta:hover {
  transform: translateY(-2px);
  background: rgba(30, 36, 52, 0.95);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.nav-toggle {
  display: inline-flex;
  background: transparent;
  border: 0;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

.navbar.is-open {
  flex-wrap: wrap;
  align-items: flex-start;
}

.navbar.is-open .nav-links {
  display: grid;
  width: 100%;
  order: 3;
  gap: 1.25rem;
  padding: 1.25rem 0 0.5rem;
  opacity: 1;
  transform: translateY(0);
}

.section {
  position: relative;
  padding: 4.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
  scroll-margin-top: calc(var(--nav-height) + 24px);
  z-index: 1;
}

.hero-tagline-wrapper,
.hero-slideshow {
  position: relative;
  z-index: 0;
}

.section-header {
  max-width: 720px;
  text-align: center;
  margin-bottom: 3rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.5rem, 3.5vw + 1rem, 4.5rem);
}

h2 {
  font-size: clamp(1.75rem, 2vw + 1.5rem, 3rem);
}

h3 {
  font-size: 1.5rem;
}

.lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition),
    color var(--transition);
}

.btn.primary {
  background: linear-gradient(135deg, var(--secondary), var(--accent-gold));
  color: #000000;
  box-shadow: 0 20px 45px rgba(201, 167, 77, 0.35);
}

.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 25px 60px rgba(201, 167, 77, 0.45);
}

.btn.ghost {
  border: 1px solid rgba(248, 247, 244, 0.3);
  color: var(--text-main);
}

.btn.ghost:hover {
  border-color: rgba(216, 184, 106, 0.55);
  color: var(--primary-accent);
}

.hero {
  position: relative;
  z-index: 0;
  width: 100%;
  margin: 0;
  padding: 0 0 clamp(1rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  scroll-margin-top: var(--nav-height);
  background: #000000;
}

.hero-video {
  position: relative;
  width: 100%;
  overflow: hidden;
  aspect-ratio: auto;
  height: clamp(200px, 60vw, 320px);
  min-height: 180px;
  max-height: 360px;
}

.hero-video-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.12);
  transform-origin: center;
}

.hero-video-media::-webkit-media-controls {
  display: none !important;
}

.hero-scroll-indicator {
  display: none;
}

.slideshow {
  position: relative;
  width: 100%;
  margin: 0 auto;
  aspect-ratio: 3 / 4;
  border-radius: 12px;
  overflow: hidden;
  background: #000000;
}

.slideshow__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 2000ms ease-in-out;
}

.slideshow__slide:first-of-type,
.slideshow__slide.is-active {
  opacity: 1;
}

.hero-slideshow-group {
  position: relative;
  margin: 0 auto clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.hero-slideshow-group .hero-slideshow {
  margin: 0;
  width: 100%;
}

.slideshow-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-family: "Space Grotesk", sans-serif;
  color: rgba(248, 247, 244, 0.92);
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(6px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  z-index: 3;
  transition: opacity 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.slideshow-control:hover {
  background: rgba(20, 24, 34, 0.86);
  transform: translateY(-50%) scale(1.05);
}

.slideshow-control:focus-visible {
  outline: 2px solid rgba(248, 247, 244, 0.9);
  outline-offset: 2px;
}

.slideshow-control.is-hidden,
.slideshow-control:disabled {
  opacity: 0;
  pointer-events: none;
}

.slideshow-control--prev {
  left: clamp(0.5rem, 1.8vw, 1.1rem);
}

.slideshow-control--next {
  right: clamp(0.5rem, 1.8vw, 1.1rem);
}

.hero-slideshow-decor {
  display: none;
  pointer-events: none;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.4);
}

.hero-slideshow {
  box-shadow: 0 32px 55px rgba(0, 0, 0, 0.45);
  margin: 0 auto clamp(1.5rem, 4vw, 2.5rem);
  aspect-ratio: auto;
  height: clamp(220px, 62vw, 360px);
}

.hero-slideshow .slideshow__slide {
  object-position: center top;
}

@media (min-width: 1024px) {
  .lang-switcher { order: 0; }

  #technology .tech-scroll-wrapper {
    width: min(1200px, 95vw);
  }

  #technology .tech-scroll {
    justify-content: center;
    overflow-x: visible;
    padding-inline: clamp(0.5rem, 2vw, 1rem);
  }

  #technology .tech-scroll__item {
    flex: 0 0 clamp(180px, 18vw, 220px);
    max-width: clamp(180px, 18vw, 220px);
  }

  #technology .tech-scroll-nav {
    display: none;
  }

  #technology .tech-scroll.scroll-hint--left::before,
  #technology .tech-scroll.scroll-hint--right::after {
    content: none;
  }

  #remote .tech-scroll-wrapper {
    width: min(1600px, calc(100vw - 2.5rem));
  }

  #remote .tech-scroll {
    justify-content: center;
    flex-wrap: wrap;
    overflow: visible;
    gap: clamp(1rem, 1.8vw, 1.75rem);
    padding-inline: clamp(1rem, 3vw, 2rem);
  }

  #remote .tech-scroll__item {
    flex: 0 0 clamp(180px, 12.5vw, 220px);
    max-width: clamp(180px, 12.5vw, 220px);
  }

  #remote .tech-scroll-nav {
    display: none;
  }

  #remote .tech-scroll.scroll-hint--left::before,
  #remote .tech-scroll.scroll-hint--right::after {
    content: none;
  }

  .hero-slideshow-group {
    max-width: min(1200px, 96vw);
    gap: clamp(1.5rem, 3vw, 3rem);
  }

  .hero-slideshow-group .hero-slideshow {
    flex: 1 1 min(860px, 55vw);
    width: min(860px, 55vw);
  }

  .slideshow-control--prev {
    left: max(0.7rem, calc(50% - min(860px, 55vw) / 2 + 0.9rem));
  }

  .slideshow-control--next {
    right: max(0.7rem, calc(50% - min(860px, 55vw) / 2 + 0.9rem));
  }

  .hero-slideshow-decor {
    flex: 0 1 clamp(150px, 17vw, 240px);
    display: block;
    width: clamp(150px, 17vw, 240px);
    height: clamp(220px, 34vw, 360px);
  }

  .hero-slideshow-decor--left {
    transform: translateY(0%) rotate(0deg);
  }

  .hero-slideshow-decor--right {
    transform: translateY(0%) rotate(0deg);
  }
}

.remote .slideshow {
  width: min(420px, 95vw);
  aspect-ratio: 9 / 19.5;
}

/* Remote gallery sizing: show 2 full cards and a peek of 3rd on mobile */
@media (max-width: 720px) {
  .remote .tech-scroll { gap: 1.1rem; padding: 0.35rem 1rem; }
  .remote .tech-scroll__item { flex: 0 0 calc(100% / 1.3); }
}

.hero-tagline-wrapper {
  background: #000000;
  padding: clamp(1.25rem, 3.5vw, 2.25rem) 0;
}

.hero-tagline {
  margin: 0;
  padding: 0;
  text-align: center;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.5rem, 2.6vw, 2.75rem);
  letter-spacing: -0.01em;
  color: #ffffff;
  text-transform: none;
}

.hero-subline {
  margin: 0;
  text-align: center;
  font-size: clamp(1rem, 2vw, 1.35rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(248, 247, 244, 0.75);
  margin-top: 0.75rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: rgba(216, 184, 106, 0.18);
  align-self: flex-start;
  font-size: 0.85rem;
  color: var(--primary-accent);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(216, 184, 106, 0.32);
}

.air-quality {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.aq-value {
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary-accent);
}

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

.chipset {
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid rgba(216, 184, 106, 0.28);
  background: rgba(0, 0, 0, 0.7);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.technology {
  background: #000000;
}

.tech-scroll-details {
  width: min(960px, 92vw);
  margin: clamp(0.25rem, 1.5vw, 0.75rem) auto clamp(1.2rem, 3vw, 1.8rem);
  color: var(--text-main);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.tech-scroll-details__title {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tech-scroll-details__text {
  margin: 0;
  color: rgba(248, 247, 244, 0.75);
  font-size: clamp(0.8rem, 1.6vw, 0.95rem);
  line-height: 1.6;
  white-space: pre-line;
}

.tech-scroll__item {
  cursor: pointer;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.tech-scroll__item.is-active {
  border-color: rgba(248, 247, 244, 0.4);
  box-shadow: 0 24px 40px rgba(0, 0, 0, 0.45);
  transform: translateY(-6px);
}

.tech-scroll__item:focus-visible {
  outline: 2px solid rgba(248, 247, 244, 0.7);
  outline-offset: 4px;
}

.technology.section {
  padding-top: 0;
  padding-bottom: clamp(4rem, 6vw, 5rem);
  gap: 0;
}

.tech-scroll-wrapper {
  position: relative;
  width: min(1200px, 92vw);
  margin: clamp(0.5rem, 2vw, 1rem) auto clamp(0.8rem, 2.5vw, 1.4rem);
}

.tech-scroll {
  display: flex;
  align-items: stretch;
  gap: clamp(0.9rem, 2.5vw, 1.4rem);
  margin: 0;
  padding: 0.35rem clamp(0.75rem, 3vw, 1.5rem);
  width: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: clamp(0.75rem, 3vw, 1.5rem);
  -webkit-overflow-scrolling: touch;
}

.tech-scroll::-webkit-scrollbar {
  display: none;
}

.tech-scroll-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-family: "Space Grotesk", sans-serif;
  color: rgba(248, 247, 244, 0.85);
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  pointer-events: none;
  opacity: 0;
  transition: opacity 200ms ease;
  z-index: 4;
}

.tech-scroll-nav--left {
  left: 0.4rem;
}

.tech-scroll-nav--right {
  right: 0.4rem;
}

.tech-scroll-nav:focus-visible {
  outline: 2px solid rgba(248, 247, 244, 0.8);
  outline-offset: 2px;
}

.tech-scroll-wrapper.scroll-hint--left .tech-scroll-nav--left,
.tech-scroll-wrapper.scroll-hint--right .tech-scroll-nav--right {
  opacity: 0.95;
  pointer-events: auto;
  animation: hintPulse 2s infinite ease-in-out;
}

.tech-scroll-nav.is-hidden {
  opacity: 0;
  pointer-events: none !important;
}

.tech-scroll__item {
  flex: 0 0 clamp(140px, 28vw, 200px);
  scroll-snap-align: start;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(248, 247, 244, 0.18);
  border-radius: 18px;
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.6rem;
  padding: 0.75rem 0.5rem;
}

.tech-scroll__item img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
}

.tech-scroll__item p {
  margin: 0;
  font-size: clamp(0.75rem, 1.6vw, 0.95rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(248, 247, 244, 0.85);
}

.technology > h2,
.technology .section-header {
  margin: 0;
  max-width: 100%;
  text-align: center;
}

.technology > h2,
.technology .section-header {
  position: relative;
  z-index: 2;
}

.technology > h2 {
  margin-bottom: 0;
  padding-bottom: 0;
}

.technology > h2 {
  margin: 0 0 0.25rem;
}

.slider-intro {
  text-align: center;
  max-width: min(720px, 92vw);
  margin: 0 auto clamp(1.1rem, 3vw, 1.8rem);
  display: flex;
  flex-direction: column;
  gap: clamp(0.6rem, 2vw, 0.9rem);
}

.slider-intro__title {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: -0.01em;
  color: var(--primary);
  display: block;
  text-align: center;
}

.slider-intro__title span {
  display: block;
  text-align: center;
}

.slider-intro__text {
  margin: 0;
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  color: rgba(248, 247, 244, 0.75);
}

.tech-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  width: min(var(--max-width), 100%);
}

.tech-card {
  padding: 2rem;
  border-radius: 24px;
  background: #000000;
  border: 1px solid rgba(248, 247, 244, 0.12);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tech-card--with-media {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  align-items: center;
  text-align: center;
}

.tech-card--stacked {
  align-items: stretch;
}

.tech-card__illustration {
  width: min(200px, 75vw, 260px);
  height: auto;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.45);
}

.tech-card__content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.tech-card__image {
  width: 100%;
  height: auto;
  border-radius: 18px;
  margin: 0;
  object-fit: cover;
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.35);
}

.tech-card__toggle {
  padding: 0.65rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(248, 247, 244, 0.18);
  background: rgba(0, 0, 0, 0.65);
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.tech-card__toggle:hover {
  background: rgba(216, 184, 106, 0.12);
  border-color: rgba(216, 184, 106, 0.32);
  transform: translateY(-1px);
}

.tech-card__toggle-icon {
  font-size: 1.1rem;
  transition: transform var(--transition);
}

.tech-card__toggle[aria-expanded="true"] .tech-card__toggle-icon {
  transform: rotate(-180deg);
}

.tech-card__details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: rgba(248, 247, 244, 0.78);
}

.tech-card__details[hidden] {
  display: none;
}

.tech-card__details-list {
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tech-card__details-list--ordered {
  list-style: decimal;
  padding-left: 1.5rem;
}

.tech-card__details-list strong {
  color: var(--primary);
  font-weight: 600;
}

.tech-card__benefits-heading {
  margin-top: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(248, 247, 244, 0.7);
}

.tech-card__benefits {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.tech-card__benefits-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tech-card__benefits-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: rgba(216, 184, 106, 0.25);
  color: var(--primary);
  font-size: 0.85rem;
  line-height: 1;
}

.tech-card:hover {
  transform: translateY(-8px);
  border-color: rgba(216, 184, 106, 0.35);
}

.tech-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: #000000;
  border: 1px solid rgba(248, 247, 244, 0.18);
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.features {
  background: #000000;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  width: min(var(--max-width), 100%);
}

.feature-card {
  padding: 2rem;
  border-radius: 24px;
  background: #000000;
  border: 1px solid rgba(248, 247, 244, 0.1);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-card__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(216, 184, 106, 0.32);
}

.card-large {
  grid-column: auto;
  position: relative;
  overflow: hidden;
  background: transparent;
}

.card-large .feature-card__content {
  min-height: 100%;
}

.feature-card__background-stack {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  pointer-events: none;
}

.feature-card__background-image {
  flex: 1 1 50%;
  width: 100%;
  height: 50%;
  object-fit: cover;
  filter: saturate(1.05);
}

.feature-card__background-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.75));
  z-index: 1;
  pointer-events: none;
}

.feature-card:not(.card-large) {
  grid-column: auto;
}

.feature-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
}

.tag {
  align-self: flex-start;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: rgba(201, 167, 77, 0.18);
  color: var(--primary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.insights {
  position: relative;
  background: linear-gradient(160deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.82));
}

.insights-overlay {
  position: absolute;
  inset: 15%;
  border-radius: 32px;
  background: conic-gradient(from 120deg, rgba(216, 184, 106, 0.2), rgba(248, 247, 244, 0.24), rgba(0, 0, 0, 0));
  filter: blur(60px);
  mix-blend-mode: normal;
}

.stats-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  width: min(var(--max-width), 100%);
}

.stat-card {
  padding: 2rem;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
}

.stat-value {
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.testimonials {
  background: #000000;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  width: min(var(--max-width), 100%);
}

.testimonial-card {
  padding: 2.5rem;
  border-radius: 24px;
  background: #000000;
  border: 1px solid rgba(248, 247, 244, 0.12);
  box-shadow: var(--shadow-card);
}

.testimonial-card blockquote {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  color: var(--primary);
}

.testimonial-card .name {
  display: block;
  font-weight: 600;
}

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

.contact {
  background: linear-gradient(135deg, rgba(216, 184, 106, 0.22), rgba(248, 247, 244, 0.12), rgba(0, 0, 0, 0.94));
}

.contact-card {
  width: min(960px, 95%);
  background: rgba(0, 0, 0, 0.92);
  border-radius: 32px;
  border: 1px solid var(--border-soft);
  box-shadow: 0 45px 90px rgba(0, 0, 0, 0.65);
  padding: clamp(2rem, 4vw, 3.5rem);
}

.contact-content {
  display: grid;
  gap: 2rem;
}

.contact-note {
  border-radius: 20px;
  border: 1px dashed rgba(216, 184, 106, 0.5);
  background: rgba(216, 184, 106, 0.12);
  color: rgba(248, 247, 244, 0.85);
  padding: clamp(1rem, 3vw, 1.5rem);
  font-size: 1rem;
  line-height: 1.6;
}

.contact-info {
  border-radius: 24px;
  border: 1px solid rgba(248, 247, 244, 0.12);
  background: linear-gradient(160deg, rgba(216, 184, 106, 0.12), rgba(0, 0, 0, 0.7));
  padding: clamp(1.5rem, 3vw, 2rem);
  display: grid;
  gap: 1.25rem;
}

.contact-info__origin {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(248, 247, 244, 0.82);
}

.contact-info__origin strong {
  color: var(--primary);
  font-weight: 600;
}

.contact-info__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.contact-info__item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.contact-info__label {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(248, 247, 244, 0.5);
}

.contact-info__link {
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 500;
  text-decoration: none;
}

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

.contact-info__address {
  font-style: normal;
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer {
  position: relative;
  z-index: 1;
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.95);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-origin {
  margin: 0;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.5;
}

.footer-links a:hover {
  color: var(--text-main);
}

/* Responsive adjustments */
@media (max-width: 720px) {
  .hero-video {
    aspect-ratio: auto;
    height: 25vh;
    min-height: 160px;
    max-height: 240px;
  }

  .hero-tagline {
    padding: 0 1.25rem;
  }

  .hero-subline {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
  }

  .tech-scroll-details {
    width: 100%;
    padding: 0 1rem 1.2rem;
    margin: 0 auto 1.2rem;
    text-align: center;
  }

  .tech-scroll-details__text {
    font-size: 0.85rem;
  }

  .tech-scroll {
    gap: 1rem;
    padding: 0.25rem 1rem 0.5rem;
  }

  .tech-scroll__item {
    flex: 0 0 calc(100% / 3.5);
    min-width: 0;
  }

  .tech-scroll-nav {
    width: 34px;
    height: 34px;
    font-size: 1.05rem;
  }

  .tech-scroll-nav--left {
    left: 0.35rem;
  }

  .tech-scroll-nav--right {
    right: 0.35rem;
  }

  .slideshow {
    width: 100%;
    border-radius: 2px;
    aspect-ratio: 3 / 4;
  }

  .hero-slideshow {
    aspect-ratio: auto;
    height: clamp(180px, 60vw, 320px);
  }

  .hero-slideshow .slideshow__slide {
    object-position: center top;
  }

  .slideshow-control {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  .tech-card--with-media {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .tech-card__illustration {
    width: min(200px, 75vw, 260px);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.45);
  }
}

@media (min-width: 768px) {
  .section {
    padding: 5rem 1.75rem;
  }

  .hero-video {
    aspect-ratio: 16 / 9;
    height: auto;
    min-height: 280px;
    max-height: none;
  }

  .hero-video-media {
    transform: scale(1.08);
  }

  .slideshow {
    width: min(720px, 92vw);
    border-radius: 18px;
    aspect-ratio: 16 / 9;
  }

  .hero-slideshow {
    height: clamp(280px, 55vw, 420px);
  }

  .hero-slideshow .slideshow__slide {
    object-position: center;
  }

  .hero-slideshow:focus-visible {
    outline: 2px solid rgba(248, 247, 244, 0.7);
    outline-offset: 4px;
  }

  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem;
  }

  .feature-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 1.75rem;
  }

  .card-large {
    grid-column: span 6;
  }

  .feature-card:not(.card-large) {
    grid-column: span 3;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .tech-card--with-media {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: clamp(1.1rem, 2.5vw, 1.75rem);
  }

  .tech-card__illustration {
    width: clamp(180px, 24vw, 240px);
  }
}

@media (min-width: 1024px) {
  :root {
    --nav-height: 88px;
  }

  .hero-slideshow-group {
    gap: clamp(1.5rem, 3vw, 3rem);
  }

  .hero-slideshow-decor {
    display: block;
    width: clamp(150px, 17vw, 240px);
    height: clamp(220px, 34vw, 360px);
  }

  .hero-slideshow-decor--left {
    transform: translateY(0%) rotate(0deg);
  }

  .hero-slideshow-decor--right {
    transform: translateY(0%) rotate(0deg);
  }

  .tech-card--with-media {
    flex-direction: column;
    align-items: center;
    text-align: left;
    gap: clamp(1.25rem, 2.5vw, 1.75rem);
  }

  .tech-card--with-media .tech-card__content {
    width: 100%;
  }

  .tech-card__illustration {
    width: clamp(240px, 32vw, 320px);
    max-width: 100%;
  }

  .navbar {
    gap: 2rem;
    padding: 1.25rem 2rem;
  }

  .nav-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
    width: auto;
    gap: 2rem;
    opacity: 1;
    transform: none;
  }

  .navbar.is-open {
    flex-wrap: nowrap;
    align-items: center;
  }

  .navbar.is-open .nav-links {
    display: flex;
    order: 0;
    padding: 0;
  }

  .section {
    padding: 6rem 1.5rem;
  }

  .slideshow {
    width: min(960px, 92vw);
    border-radius: 24px;
  }

  .hero-slideshow {
    aspect-ratio: 16 / 9;
    height: auto;
  }

  .hero-slideshow .slideshow__slide {
    object-position: center;
  }

  .hero-video {
    aspect-ratio: auto;
    height: clamp(120px, 14vw, 200px);
    min-height: 120px;
    max-height: 220px;
  }

  .hero-video-media {
    transform: scale(1.02);
  }

  .hero-tagline {
    padding: 0;
  }

  .tech-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
  }

  .feature-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
  }

  .card-large {
    grid-column: span 6;
  }

  .feature-card:not(.card-large) {
    grid-column: span 3;
  }

  .stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .testimonial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
  }

  .tech-card--with-media {
    gap: clamp(1.25rem, 2.5vw, 2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-video-media {
    display: none;
  }

  .hero-scroll-indicator {
    animation: none;
  }

  .hero-scroll-indicator .chevron {
    animation: none;
  }
  .slideshow__slide {
    transition: none;
  }

  .slideshow__slide:first-of-type {
    opacity: 1;
  }

  .slideshow__slide:not(:first-of-type) {
    opacity: 0;
  }
}

@keyframes indicator-fade {
  0%,
  100% {
    opacity: 0.25;
  }
  50% {
    opacity: 0.85;
  }
}

@keyframes chevron-bounce {
  0%,
  100% {
    transform: translateY(0) rotate(45deg);
  }
  50% {
    transform: translateY(6px) rotate(45deg);
  }
}
.tech-card--with-media .tech-card__content p {
  margin-top: -0.3rem;
}

@keyframes hintPulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.9; }
}
.tech-scroll.scroll-hint--left::before {
  opacity: 0.9;
  left: -16px;
  background: radial-gradient(circle at 35% 50%, rgba(248, 247, 244, 0.55), rgba(248, 247, 244, 0));
}

.tech-scroll.scroll-hint--right::after {
  opacity: 0.9;
  right: -16px;
  background: radial-gradient(circle at 65% 50%, rgba(248, 247, 244, 0.55), rgba(248, 247, 244, 0));
}