:root {
  --ink: #09070f;
  --ink-soft: #100d1b;
  --violet: #1b102b;
  --violet-soft: #2b1741;
  --teal: #2ad4c8;
  --teal-pale: #8af5ea;
  --gold: #d4af37;
  --champagne: #f5d76e;
  --white: #ffffff;
  --mist: #d9e7ed;
  --line: rgba(139, 225, 224, 0.2);
  --page-width: 1280px;
  --shadow-deep: 0 25px 80px rgba(0, 0, 0, 0.58);
  --shadow-gold: 0 12px 32px rgba(212, 175, 55, 0.28);
  --radius-sharp: 4px;
  --space: clamp(1.25rem, 3vw, 3rem);
  --body-font: var(--mrc-font-en), Arial, sans-serif;
  --heading-font: var(--mrc-font-en), Arial, sans-serif;
  --mono-font: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--white);
  background: var(--ink);
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.5;
}

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

a:focus-visible {
  outline: 3px solid var(--teal-pale);
  outline-offset: 4px;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - 48px);
  overflow: hidden;
  background: var(--ink);
}

.hero__backdrop,
.hero__backdrop img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__backdrop {
  z-index: -4;
  margin: 0;
}

.hero__backdrop img {
  object-fit: cover;
  object-position: 67% center;
}

.hero__veil {
  position: absolute;
  z-index: -3;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 7, 15, 0.97) 0%, rgba(9, 7, 15, 0.88) 44%, rgba(9, 7, 15, 0.38) 76%, rgba(9, 7, 15, 0.22) 100%),
    linear-gradient(180deg, rgba(3, 14, 27, 0.16), rgba(9, 7, 15, 0.72));
}

.hero__grid-lines {
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: 0.4;
  background-image:
    linear-gradient(to right, transparent 0, transparent calc(100% - 1px), rgba(119, 237, 223, 0.15) calc(100% - 1px)),
    linear-gradient(to bottom, transparent 0, transparent calc(100% - 1px), rgba(119, 237, 223, 0.12) calc(100% - 1px));
  background-size: 16.666% 100%, 100% 9rem;
  mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.3) 68%, transparent 100%);
  pointer-events: none;
}

.site-header {
  position: relative;
  z-index: 3;
  width: min(100% - 2.5rem, var(--page-width));
  margin: 0 auto;
  padding: 1.15rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--white);
  font-family: var(--heading-font);
  font-size: clamp(0.94rem, 1.5vw, 1.08rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand__spark {
  display: grid;
  place-items: center;
  width: 1.4rem;
  height: 1.4rem;
  color: var(--champagne);
  font-size: 1rem;
  border: 1px solid rgba(245, 215, 110, 0.55);
  border-radius: 50%;
}

.campaign-code {
  color: rgba(217, 231, 237, 0.8);
  font-family: var(--mono-font);
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero__visual {
  position: absolute;
  z-index: -1;
  right: -23vw;
  bottom: -4rem;
  width: min(66vw, 810px);
  margin: 0;
  pointer-events: none;
}

.hero__visual::before {
  position: absolute;
  inset: 19% 20% 16% 10%;
  content: "";
  background: rgba(42, 212, 200, 0.25);
  filter: blur(70px);
  border-radius: 50%;
}

.hero__visual img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(1.08) contrast(1.03);
  mix-blend-mode: screen;
  opacity: 0.95;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(100% - 2.5rem, var(--page-width));
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 6.5rem) 0 clamp(2.25rem, 7vh, 5.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
}

.hero__intro {
  max-width: 46rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.1rem;
  color: var(--teal-pale);
  font-family: var(--mono-font);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.eyebrow span {
  width: 0.52rem;
  height: 0.52rem;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(42, 212, 200, 0.12), 0 0 13px var(--teal);
}

h1 {
  max-width: 11ch;
  margin: 0;
  color: var(--white);
  font-family: var(--heading-font);
  font-size: clamp(3rem, 7vw, 6.8rem);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 0.86;
}

.title-line {
  display: block;
  animation: rise-in 650ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.title-line--two {
  margin-top: 0.14em;
  color: var(--champagne);
  text-shadow: 0 0 30px rgba(245, 215, 110, 0.18);
  animation-delay: 100ms;
}

.hero__summary {
  max-width: 33rem;
  margin: 1.5rem 0 1.8rem;
  color: var(--mist);
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  line-height: 1.58;
  animation: rise-in 650ms 180ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.primary-cta {
  display: inline-flex;
  min-width: min(100%, 12.75rem);
  min-height: 3.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.68rem 0.82rem 0.68rem 1.15rem;
  color: #171007;
  background: var(--champagne);
  border: 1px solid #fff0ae;
  border-radius: 6px;
  box-shadow: var(--shadow-gold), inset 0 1px 0 rgba(255, 255, 255, 0.55);
  font-family: var(--heading-font);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
  animation: rise-in 650ms 260ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.primary-cta:hover {
  background: #fff0a4;
  box-shadow: 0 18px 34px rgba(212, 175, 55, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transform: translateY(-3px);
}

.primary-cta:active {
  box-shadow: 0 6px 16px rgba(212, 175, 55, 0.25);
  transform: translateY(1px);
}

.primary-cta__arrow {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  color: var(--white);
  background: #1e1624;
  border-radius: 3px;
  font-size: 1.2rem;
  line-height: 1;
  transition: transform 150ms ease;
}

.primary-cta:hover .primary-cta__arrow {
  transform: translateX(3px);
}

.offer-grid {
  width: min(100%, 30rem);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: 5.4rem 4.6rem;
  gap: 0.55rem;
  animation: rise-in 700ms 300ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.offer-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(25, 37, 56, 0.82), rgba(19, 12, 34, 0.65));
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(10px);
  transition: border-color 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.offer-card:hover {
  border-color: rgba(138, 245, 234, 0.55);
  background: linear-gradient(135deg, rgba(29, 56, 71, 0.88), rgba(28, 14, 48, 0.76));
  transform: translateY(-3px);
}

.offer-card--main {
  grid-row: span 2;
  padding: 0.92rem 1rem;
  display: grid;
  align-content: center;
}

.offer-card--main::after {
  position: absolute;
  right: -1.3rem;
  bottom: -2rem;
  width: 6.4rem;
  height: 6.4rem;
  content: "";
  border: 1px solid rgba(245, 215, 110, 0.45);
  border-radius: 50%;
  box-shadow: 0 0 0 14px rgba(245, 215, 110, 0.05);
}

.offer-card__tag {
  position: relative;
  z-index: 1;
  color: var(--teal-pale);
  font-family: var(--mono-font);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.offer-card--main strong {
  position: relative;
  z-index: 1;
  margin: 0.14rem 0 -0.2rem;
  color: var(--champagne);
  font-family: var(--heading-font);
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: -0.08em;
  line-height: 1;
}

.offer-card--main > span:last-child {
  position: relative;
  z-index: 1;
  color: var(--white);
  font-family: var(--heading-font);
  font-size: 0.9rem;
  font-weight: 700;
}

.offer-card--date,
.offer-card--limit {
  padding: 0.85rem 0.9rem;
}

.offer-card--date {
  display: flex;
  align-items: center;
  gap: 0.62rem;
  color: var(--mist);
  font-family: var(--mono-font);
  font-size: 0.61rem;
  letter-spacing: 0.03em;
  line-height: 1.35;
}

.offer-card--date b {
  color: var(--champagne);
  font-size: 0.81rem;
}

.offer-card__dot {
  display: block;
  flex: 0 0 auto;
  width: 0.46rem;
  height: 0.46rem;
  background: var(--gold);
  box-shadow: 0 0 12px var(--gold);
  border-radius: 50%;
}

.offer-card--limit {
  display: grid;
  align-content: center;
  gap: 0.18rem;
}

.offer-card--limit span {
  color: rgba(217, 231, 237, 0.68);
  font-family: var(--mono-font);
  font-size: 0.57rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.offer-card--limit b {
  color: var(--white);
  font-family: var(--heading-font);
  font-size: 0.85rem;
}

.hero__corner-note {
  display: none;
}

.site-footer {
  min-height: 48px;
  padding: 0.85rem max(1.25rem, calc((100vw - var(--page-width)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: rgba(217, 231, 237, 0.58);
  background: #07060b;
  border-top: 1px solid rgba(138, 245, 234, 0.09);
  font-family: var(--mono-font);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.site-footer p {
  margin: 0;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(17px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 600px) {
  .site-header,
  .hero__content {
    width: min(100% - 4rem, var(--page-width));
  }

  .hero__content {
    gap: 2.7rem;
  }

  .offer-grid {
    grid-template-columns: 11.4rem 8.6rem 8.2rem;
    grid-template-rows: 5.25rem;
    width: auto;
  }

  .offer-card--main {
    grid-row: auto;
  }

  .offer-card--date,
  .offer-card--limit {
    min-height: 5.25rem;
  }
}

@media (min-width: 900px) {
  .hero {
    display: grid;
    grid-template-rows: auto 1fr;
  }

  .site-header {
    grid-row: 1;
  }

  .hero__content {
    grid-row: 2;
    align-content: center;
    padding-top: 2.8rem;
    padding-bottom: 4rem;
  }

  .hero__visual {
    right: -13.5vw;
    bottom: -11rem;
    width: min(60vw, 855px);
  }

  .hero__content {
    grid-template-columns: minmax(30rem, 0.91fr) minmax(14rem, 0.25fr);
    align-items: end;
    gap: 2rem;
  }

  .offer-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 5.15rem 4.35rem;
    width: 100%;
  }

  .offer-card--main {
    grid-row: span 2;
  }

  .hero__corner-note {
    position: absolute;
    z-index: 2;
    right: 2.2rem;
    bottom: 1.6rem;
    display: flex;
    align-items: center;
    gap: 0.68rem;
    color: rgba(217, 231, 237, 0.65);
    font-family: var(--mono-font);
    font-size: 0.55rem;
    letter-spacing: 0.14em;
    writing-mode: vertical-rl;
  }

  .hero__corner-note i {
    display: block;
    width: 1px;
    height: 2.9rem;
    background: linear-gradient(var(--teal), transparent);
  }
}

@media (min-width: 1180px) {
  .hero__backdrop img {
    object-position: center;
  }

  .hero__veil {
    background:
      linear-gradient(90deg, rgba(9, 7, 15, 0.98) 0%, rgba(9, 7, 15, 0.91) 39%, rgba(9, 7, 15, 0.55) 61%, rgba(9, 7, 15, 0.1) 100%),
      linear-gradient(180deg, rgba(3, 14, 27, 0.08), rgba(9, 7, 15, 0.62));
  }

  .hero__content {
    grid-template-columns: minmax(32rem, 43rem) 24rem;
    gap: clamp(2rem, 8vw, 9rem);
  }

  .hero__visual {
    right: -7vw;
    width: min(55vw, 890px);
  }
}

@media (max-width: 380px) {
  .site-header,
  .hero__content {
    width: min(100% - 2rem, var(--page-width));
  }

  .campaign-code {
    font-size: 0.52rem;
  }

  h1 {
    font-size: clamp(2.75rem, 14vw, 3.3rem);
  }

  .hero__summary {
    margin-top: 1.2rem;
    margin-bottom: 1.4rem;
  }

  .offer-grid {
    grid-template-rows: 5rem 4.35rem;
  }

  .site-footer {
    padding-left: 1rem;
    padding-right: 1rem;
    font-size: 0.52rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}