/* #1. Design tokens */
:root {
  color-scheme: dark;
  --brand-primary: #fcacd3;
  --brand-accent: #f962ac;
  --background-primary: #0e0e14;
  --background-secondary: #15151e;
  --surface-primary: rgba(255, 255, 255, 0.055);
  --surface-hover: rgba(255, 255, 255, 0.085);
  --border-subtle: rgba(255, 255, 255, 0.105);
  --text-primary: #f7f7fa;
  --text-secondary: #b8b8c5;
  --text-muted: #858594;
  --content-width: 73.75rem;
  --page-gutter: clamp(1rem, 3.5vw, 2.5rem);
  --card-radius: 1.5rem;
  --transition-speed: 200ms;
}

/* #2. Reset and document defaults */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--background-primary);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text-primary);
  background: var(--background-primary);
  font-family:
    "Pretendard Variable",
    Pretendard,
    "Noto Sans KR",
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 1rem;
  font-weight: 450;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

p,
h1,
h2,
h3,
ul {
  margin: 0;
}

/* #3. Page layout and background */
.background-decoration {
  position: fixed;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 16% 8%, rgba(249, 98, 172, 0.11), transparent 30rem),
    radial-gradient(circle at 86% 35%, rgba(126, 96, 184, 0.08), transparent 34rem),
    linear-gradient(145deg, var(--background-primary) 0%, #11111a 48%, #0c0c12 100%);
}

.background-decoration::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 4rem 4rem;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

.background-decoration::after {
  position: absolute;
  top: -11rem;
  left: 50%;
  width: min(65rem, 90vw);
  height: 26rem;
  border: 1px solid rgba(252, 172, 211, 0.07);
  border-radius: 50%;
  content: "";
  transform: translateX(-50%) rotate(-7deg);
}

.page-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: min(100%, calc(var(--content-width) + (var(--page-gutter) * 2)));
  min-height: 100vh;
  min-height: 100svh;
  margin: 0 auto;
  padding-inline: var(--page-gutter);
}

main {
  align-self: center;
  width: 100%;
  padding-block: clamp(2.5rem, 7vh, 5.5rem);
}

/* #4. Header and hero */
.site-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.site-header::after {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(252, 172, 211, 0.28), rgba(255, 255, 255, 0.05), transparent);
  content: "";
}

.site-brand {
  position: relative;
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  width: clamp(14rem, 25vw, 19rem);
  min-width: 0;
  overflow: hidden;
  padding: clamp(0.55rem, 1.2vw, 0.72rem) clamp(0.75rem, 1.4vw, 1rem);
  border: 1px solid rgba(252, 172, 211, 0.18);
  border-radius: 1.15rem;
  background:
    linear-gradient(135deg, rgba(252, 172, 211, 0.095), rgba(255, 255, 255, 0.025) 55%),
    rgba(18, 17, 26, 0.78);
  box-shadow:
    0 0.75rem 2.5rem rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.065);
  isolation: isolate;
}

.site-brand::before {
  position: absolute;
  z-index: -1;
  top: -2.8rem;
  left: 14%;
  width: 9rem;
  height: 6rem;
  border-radius: 50%;
  background: rgba(249, 98, 172, 0.16);
  filter: blur(2rem);
  content: "";
}

.site-brand__logo {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0.35rem 0.8rem rgba(249, 98, 172, 0.1));
}

.hero {
  max-width: 52rem;
}

.hero__eyebrow,
.services__eyebrow {
  color: var(--brand-primary);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 13ch;
  margin-top: 0.9rem;
  font-size: clamp(2.45rem, 6vw, 4.9rem);
  font-weight: 780;
  letter-spacing: -0.055em;
  line-height: 1.08;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
  width: fit-content;
  background: linear-gradient(100deg, var(--brand-primary) 5%, var(--brand-accent) 88%);
  background-clip: text;
  color: var(--brand-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__description {
  max-width: 43rem;
  margin-top: 1.35rem;
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  font-weight: 430;
  line-height: 1.72;
}

/* #5. Service cards */
.services {
  margin-top: clamp(3rem, 7vw, 5rem);
}

.services__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.services__heading h2 {
  margin-top: 0.25rem;
  font-size: clamp(1.4rem, 2vw, 1.75rem);
  font-weight: 720;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.services__count {
  flex: 0 0 auto;
  padding-bottom: 0.1rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.services__count strong {
  color: var(--brand-primary);
  font-size: 0.92rem;
  font-weight: 700;
}

.service-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  padding: 0;
  list-style: none;
}

.service-grid > li {
  min-width: 0;
}

.service-card {
  --card-accent: var(--brand-primary);
  --card-tint: rgba(252, 172, 211, 0.09);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 21.5rem;
  overflow: clip;
  padding: clamp(1.25rem, 2.4vw, 1.65rem);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  background:
    radial-gradient(circle at 82% 4%, var(--card-tint), transparent 42%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.03));
  box-shadow:
    0 1rem 2.8rem rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.035);
  text-decoration: none;
  transition:
    transform var(--transition-speed) ease,
    border-color var(--transition-speed) ease,
    background-color var(--transition-speed) ease,
    box-shadow var(--transition-speed) ease;
}

.service-card::before {
  position: absolute;
  top: 0;
  right: 1.5rem;
  left: 1.5rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-accent), var(--brand-primary), transparent);
  content: "";
  opacity: 0.62;
}

.service-card--tarkov {
  --card-accent: #b7c39b;
  --card-tint: rgba(183, 195, 155, 0.09);
}

.service-card--lolgpt {
  --card-accent: #75adff;
  --card-tint: rgba(117, 173, 255, 0.09);
}

.service-card--discord {
  --card-accent: #c8a1ff;
  --card-tint: rgba(200, 161, 255, 0.1);
}

.service-card__topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.service-card__icon-wrapper {
  position: relative;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: clamp(4.5rem, 7vw, 5.25rem);
  height: clamp(4.5rem, 7vw, 5.25rem);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.25rem;
  background: linear-gradient(145deg, var(--card-tint), rgba(255, 255, 255, 0.025));
  box-shadow:
    0 0.7rem 1.5rem rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.045);
  isolation: isolate;
  transition:
    border-color var(--transition-speed) ease,
    background-color var(--transition-speed) ease;
}

.service-card__icon-wrapper::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), transparent 48%, rgba(0, 0, 0, 0.08));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.035);
  content: "";
  pointer-events: none;
}

.service-card__icon {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card__icon--discord {
  border-radius: inherit;
}

.service-card__tag {
  padding: 0.3rem 0.58rem;
  border: 1px solid color-mix(in srgb, var(--card-accent) 24%, transparent);
  border-radius: 999px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.2;
}

.service-card__content {
  margin-top: 1.45rem;
}

.service-card__eyebrow {
  color: var(--card-accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.055em;
  line-height: 1.4;
  text-transform: uppercase;
}

.service-card__title {
  margin-top: 0.28rem;
  font-size: clamp(1.4rem, 2.2vw, 1.72rem);
  font-weight: 740;
  letter-spacing: -0.035em;
  line-height: 1.3;
}

.service-card__description {
  margin-top: 0.78rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 420;
  line-height: 1.72;
  overflow-wrap: anywhere;
}

.service-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1.45rem;
}

.service-card__domain {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 520;
  letter-spacing: 0.015em;
}

.service-card__arrow {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 50%;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.035);
  font-size: 1rem;
  line-height: 1;
  transition:
    transform var(--transition-speed) ease,
    border-color var(--transition-speed) ease,
    background-color var(--transition-speed) ease;
}

.service-card:focus-visible {
  outline: 3px solid var(--brand-primary);
  outline-offset: 4px;
}

@media (hover: hover) and (pointer: fine) {
  .service-card:hover {
    border-color: color-mix(in srgb, var(--card-accent) 44%, rgba(255, 255, 255, 0.12));
    background-color: var(--surface-hover);
    box-shadow:
      0 1.35rem 3.4rem rgba(0, 0, 0, 0.29),
      inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transform: translateY(-0.25rem);
  }

  .service-card:hover .service-card__icon-wrapper {
    border-color: color-mix(in srgb, var(--card-accent) 42%, transparent);
    background-color: color-mix(in srgb, var(--card-accent) 11%, rgba(255, 255, 255, 0.025));
  }

  .service-card:hover .service-card__arrow {
    border-color: color-mix(in srgb, var(--card-accent) 36%, transparent);
    background-color: var(--card-tint);
    transform: translateX(0.18rem);
  }
}

/* #6. Footer */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.065);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 450;
  letter-spacing: 0.015em;
  line-height: 1.6;
  text-align: center;
}

.site-footer strong {
  color: var(--text-secondary);
  font-weight: 620;
}

/* #7. Responsive rules */
@media (min-width: 43.75rem) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-grid > li:last-child {
    grid-column: 1 / -1;
  }

  .service-grid > li:last-child .service-card__description {
    max-width: 56ch;
  }
}

@media (min-width: 61.25rem) {
  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .service-grid > li:last-child {
    grid-column: auto;
  }

  .service-card {
    min-height: 22rem;
  }
}

@media (max-width: 35rem) {
  main {
    padding-block: 2.6rem 3.25rem;
  }

  .site-header::after {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2.25rem, 12vw, 3.25rem);
  }

  .hero__line-break {
    display: none;
  }

  .services {
    margin-top: 3.25rem;
  }

  .services__heading {
    display: block;
  }

  .services__count {
    margin-top: 0.4rem;
    padding-bottom: 0;
  }

  .service-card {
    min-height: 20rem;
  }

  .site-footer {
    padding-inline: 0.25rem;
  }
}

@media (max-height: 48rem) and (min-width: 61.25rem) {
  main {
    padding-block: 2.5rem;
  }

  .services {
    margin-top: 2.7rem;
  }
}

/* #8. Accessibility and reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
  }

  .service-card:hover,
  .service-card:hover .service-card__arrow {
    transform: none;
  }
}

@media (forced-colors: active) {
  .service-card,
  .site-brand,
  .service-card__icon-wrapper,
  .service-card__arrow {
    border: 1px solid CanvasText;
  }

  .service-card:focus-visible {
    outline: 3px solid Highlight;
  }

  .hero h1 span {
    background: none;
    color: CanvasText;
    -webkit-text-fill-color: currentColor;
  }
}