:root {
  --bg: #000000;
  --bg-panel: #111111;
  --text: #ffffff;
  --muted: #a8a8a8;
  --muted-light: #d2d2d2;
  --body-text: #ececec;
  --nvidia: #76b900;
  --nvidia-hover: #5f9400;
  --content-max: 1350px;
  --content-pad: clamp(1.25rem, 4vw, 2rem);
  --hero-h: 570px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Heebo", system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  margin: 0;
}

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

[lang="en"] {
  unicode-bidi: embed;
  direction: ltr;
}

.skip-link {
  position: absolute;
  inset-inline-start: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--nvidia);
  color: #000;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  inset-inline-start: 0;
}

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

/* ——— Hero ——— */
.hero {
  background: var(--bg);
  border-bottom: 1px solid #1a1a1a;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: var(--content-max);
  margin: 0 auto;
  min-height: var(--hero-h);
  direction: rtl;
}

.hero__content {
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.5rem, 5vw, 3rem);
  text-align: start;
}

.hero__title {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 3.8vw, 2.85rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  margin: 0 0 1.5rem;
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  font-weight: 400;
  line-height: 1.5;
  max-width: 34ch;
}

.hero__body--mobile {
  display: none;
}

.hero__body p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--body-text);
  line-height: 1.55;
}

.hero__offer-note {
  font-size: 0.82rem !important;
  color: var(--muted) !important;
}

.hero__legal {
  margin: 1rem 0 0;
  font-size: 0.7rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 38ch;
}

.hero__logo-wrap {
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  line-height: 0;
}

.hero__logo {
  display: block;
  width: 143px;
  height: 45px;
  object-fit: contain;
  object-position: start center;
}

.hero__art {
  line-height: 0;
  background: var(--bg);
  min-height: var(--hero-h);
}

.hero__art picture,
.hero__art img {
  width: 100%;
  height: 100%;
  display: block;
}

.hero__art img {
  object-fit: cover;
  object-position: center;
  min-height: var(--hero-h);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 180px;
  padding: 0 2rem;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn--primary {
  background: var(--nvidia);
  color: #000;
}

.btn--primary:hover {
  background: var(--nvidia-hover);
}

@media (max-width: 899px) {
  .hero__inner {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .hero__art {
    order: -1;
    min-height: 0;
  }

  .hero__art img {
    min-height: 0;
    aspect-ratio: 640 / 440;
  }

  .hero__content {
    align-items: center;
    text-align: center;
    padding: clamp(1.5rem, 5vw, 2rem) var(--content-pad) clamp(2rem, 6vw, 2.5rem);
  }

  .hero__subtitle,
  .hero__legal {
    max-width: 36ch;
    margin-inline: auto;
  }

  .hero__body--mobile {
    display: block;
    width: 100%;
    margin-bottom: 1.25rem;
  }

  .hero__body p {
    text-align: center;
    max-width: 40ch;
    margin-inline: auto;
  }

  .hero__logo-wrap {
    margin-top: clamp(1.25rem, 4vw, 1.75rem);
    margin-inline: auto;
  }

  .hero__logo {
    width: 137px;
    height: 43px;
    object-position: center;
  }

  .section--intro {
    display: none;
  }
}

/* ——— Sections ——— */
.section {
  background: var(--bg);
  color: var(--text);
}

.section--panel {
  background: var(--bg-panel);
}

.section--dark {
  background: var(--bg);
  color: var(--text);
}

.section-inner {
  width: min(100% - 2 * var(--content-pad), 720px);
  margin: 0 auto;
  padding: clamp(2.25rem, 5vw, 3.5rem) 0;
}

.section-inner--wide {
  width: min(100% - 2 * var(--content-pad), 900px);
  text-align: center;
}

.section--intro p {
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
  color: var(--body-text);
  line-height: 1.6;
}

.section-note {
  font-size: 0.82rem !important;
  color: var(--muted) !important;
}

.section-title {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 700;
  text-align: center;
  letter-spacing: -0.02em;
}

.section-title--lg {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 800;
}

.section-eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  color: var(--muted-light);
}

.section-lead {
  margin: 0;
  text-align: center;
  color: #d6d6d6;
  font-size: 1.05rem;
  line-height: 1.6;
}

.section--video .section-inner {
  padding-bottom: 1rem;
}

.section--rtx .section-title,
.section--dlss .section-title {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 800;
}

.section--rtx .section-inner,
.section--dlss .section-inner {
  padding-bottom: 1.25rem;
}

.section-disclaimer {
  margin: 0 auto;
  padding-top: 0;
  padding-bottom: clamp(2rem, 4vw, 2.5rem);
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--muted);
  text-align: center;
}

.slice-figure {
  margin: 0 auto;
  padding: 0 var(--content-pad);
  max-width: var(--content-max);
  line-height: 0;
}

.slice-figure img {
  width: 100%;
  height: auto;
}

.section--rtx .slice-figure {
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.section--dlss .slice-figure {
  padding-bottom: 0.5rem;
}

/* ——— Buy ——— */
.section--buy {
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.section--buy .section-inner {
  width: min(100% - 2 * var(--content-pad), 640px);
  max-width: none;
  margin-inline: auto;
  text-align: center;
}

.section--buy .section-title {
  margin-bottom: 2rem;
}

.buy-cols {
  display: grid;
  gap: 2.5rem;
  justify-items: center;
}

@media (min-width: 768px) {
  .buy-cols {
    grid-template-columns: repeat(2, minmax(0, 250px));
    gap: 3rem;
    justify-content: center;
    align-items: start;
  }
}

.buy-col {
  width: 100%;
  max-width: 250px;
}

.buy-col__img {
  width: 250px;
  height: 250px;
  margin: 0 auto 1.25rem;
  border-radius: 4px;
  overflow: hidden;
  background: #0a0a0a;
}

.buy-col__img img {
  width: 250px;
  height: 250px;
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

.buy-col__subtitle {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 700;
  text-align: center;
}

.buy-col__list {
  margin: 0 auto 1.25rem;
  padding: 0;
  list-style: none;
  width: fit-content;
  text-align: start;
}

.buy-col__disclaimer {
  margin: 1rem auto 0;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--muted);
  text-align: center;
  max-width: 28ch;
}

.buy-col__list li {
  margin-bottom: 0.5rem;
}

.buy-col__list a {
  color: var(--nvidia);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.buy-col__list a:hover {
  color: var(--nvidia-hover);
}

.video-embed {
  width: min(100% - 2 * var(--content-pad), 1100px);
  margin: 0 auto 1rem;
  aspect-ratio: 16 / 9;
  background: #0a0a0a;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
}

.video-embed iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-caption {
  margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted-light);
}

/* ——— Footer ——— */
.footer-en {
  border-top: 1px solid #222;
  background: var(--bg);
}

.footer-en__img {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
}