/* Lightzone Solutions — Figma landing (node 1:7) */
:root {
  --bg-page: #2c2c2c;
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.9);
  --text-soft: #c4c4c4;
  --contact-bg: #ffffff;
  --contact-text: #000000;
  --shell-max: 1440px;
  --header-h: 72px;
  --font-body: "Montserrat", system-ui, sans-serif;
  --font-display: "Roboto", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-page);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: #fff;
  color: #000;
  font-weight: 600;
  border-radius: 6px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

.shell {
  width: min(100% - 4rem, var(--shell-max));
  margin-inline: auto;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 2rem, var(--shell-max));
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: color-mix(in oklab, var(--bg-page) 88%, transparent);
  backdrop-filter: blur(12px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.logo__muted {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.65);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--text);
  border-radius: 2px;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.nav__cta {
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text) !important;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(100vh, 900px);
  padding-bottom: 4rem;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__bg-img {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: min(1440px, 100%);
  height: 900px;
  max-height: 100vh;
  object-fit: cover;
  object-position: center top;
}

.hero__overlay--gradient {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background: linear-gradient(
    122deg,
    rgb(14, 14, 14) 0%,
    rgb(0, 0, 0) 54%,
    rgb(114, 114, 114) 79.167%,
    rgb(157, 157, 157) 100%
  );
}

.hero__overlay--fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 50%;
  backdrop-filter: blur(2px);
  background: linear-gradient(to bottom, rgba(95, 95, 95, 0), var(--bg-page));
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  opacity: 0.85;
  max-width: none;
}

.hero__glow--1 {
  width: min(859px, 90vw);
  height: auto;
  right: -15%;
  bottom: -25%;
  opacity: 0.9;
}

.hero__glow--2 {
  width: min(1065px, 100vw);
  height: auto;
  left: -20%;
  top: 35%;
  opacity: 0.75;
}

.hero__glow--3 {
  width: min(859px, 85vw);
  height: auto;
  left: -18%;
  top: 55%;
  opacity: 0.8;
}

.hero__glow--4 {
  width: min(1137px, 95vw);
  height: auto;
  right: -22%;
  top: 50%;
  opacity: 0.75;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: clamp(5rem, 14vw, 10rem);
}

.hero__title-block {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 0.35em 1.5rem;
  margin: 0;
}

.hero__word {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.75rem, 10vw, 6rem);
  line-height: 0.82;
  letter-spacing: -0.02em;
}

.hero__word--solid {
  color: #fff;
}

.hero__word--outline {
  color: transparent;
  -webkit-text-stroke: 1.5px #fff;
  paint-order: stroke fill;
}

.hero__line {
  margin: 1.25rem 0 0;
}

.hero__line img {
  display: block;
  width: min(391px, 80vw);
  height: auto;
  margin-inline: auto;
}

.hero__tagline {
  margin: 2.5rem 0 0;
  max-width: 40rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.15rem, 2.8vw, 2.5rem);
  line-height: 1.2;
  color: #fff;
}

.hero__scroll {
  position: relative;
  margin-top: 3rem;
  height: 3.5rem;
  width: 48px;
}

.hero__arrow {
  position: absolute;
  left: 0;
  width: 48px;
  height: 48px;
}

.hero__arrow--ghost {
  top: -12px;
  opacity: 0.3;
}

.hero__arrow--main {
  top: 3px;
  opacity: 1;
}

.hero__arrow--soft {
  top: -27px;
  opacity: 0.7;
}

/* Sections */
.section {
  position: relative;
  z-index: 1;
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-head {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  line-height: 1.12;
  color: #fff;
}

.section-head__line {
  margin: 0.75rem auto 0;
}

.section-head__line img {
  display: block;
  width: min(526px, 90vw);
  height: auto;
  margin-inline: auto;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem) clamp(2rem, 4vw, 4rem);
}

.about-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto 1fr;
  column-gap: 0.75rem;
  row-gap: 0.35rem;
  align-items: start;
}

.about-card__accent {
  grid-row: 1 / span 2;
  padding-top: 0.35rem;
}

.about-card__accent img {
  display: block;
  width: 32px;
  height: auto;
  transform: rotate(90deg);
  transform-origin: center center;
}

.about-card__title {
  margin: 0;
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  font-weight: 700;
  line-height: 1.2;
}

.about-card__text {
  grid-column: 2;
  margin: 0;
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  font-weight: 400;
  color: var(--text-muted);
  text-align: justify;
  max-width: 38rem;
}

/* Products */
.section--products {
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
}

.product-card {
  min-height: 434px;
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.25rem, 2vw, 1.75rem);
  backdrop-filter: blur(2px);
  background: rgba(162, 162, 162, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.product-card__title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.75rem, 3vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
}

.product-card__text {
  margin: 0;
  font-size: clamp(0.95rem, 1.3vw, 1.25rem);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--text-muted);
  text-align: justify;
  max-width: 22rem;
}

/* Footer */
.footer {
  position: relative;
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}

.footer__watermark {
  position: absolute;
  left: 50%;
  top: 38%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(3rem, 12vw, 10rem);
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.35);
  opacity: 0.35;
  pointer-events: none;
  white-space: nowrap;
}

.footer__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr minmax(280px, 512px);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.footer__heading {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
}

.footer__disclaimer {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.85;
  max-width: 42rem;
  color: var(--text);
}

.footer__disclaimer p {
  margin: 0 0 1rem;
}

.footer__copy {
  margin-top: 1.5rem !important;
  margin-bottom: 0 !important;
}

.contact-card {
  position: relative;
  background: var(--contact-bg);
  color: var(--contact-text);
  border-radius: 6px;
  padding: clamp(1.5rem, 3vw, 2rem) clamp(1.5rem, 3vw, 2rem) clamp(2.5rem, 4vw, 3.25rem);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.contact-card__title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.contact-card__subtitle {
  margin: 0.35rem 0 1.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-soft);
}

.contact-card__list {
  margin: 0;
}

.contact-card__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.contact-card__row dt {
  margin: 0;
}

.contact-card__row dd {
  margin: 0;
  text-align: right;
}

.contact-card__row a {
  color: inherit;
  text-decoration: none;
}

.contact-card__row a:hover {
  text-decoration: underline;
}

.contact-card__rule {
  margin: 0.65rem 0;
}

.contact-card__rule img {
  display: block;
  width: 100%;
  height: auto;
}

.contact-card__cta {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  display: inline-block;
  padding: 0.65rem 1.75rem;
  border-radius: 4px;
  background: var(--bg-page);
  color: #fff !important;
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.contact-card__cta:hover {
  filter: brightness(1.08);
}

@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }

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

  .product-card {
    min-height: 0;
  }
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero__glow--2,
  .hero__glow--4 {
    opacity: 0.45;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    inset-inline: 1.25rem;
    top: calc(var(--header-h) + 0.5rem);
    padding: 1rem;
    border-radius: 12px;
    background: rgba(30, 30, 30, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity 0.2s ease,
      transform 0.2s ease,
      visibility 0.2s;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .contact-card__row {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-card__row dd {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}