:root {
  --bg: #eaf2fb;
  --navy: #061832;
  --navy-2: #0a244c;
  --blue: #2f8cff;
  --cyan: #38bdf8;
  --text: #10213d;
  --radius: 14px;
  --page-width: min(1220px, calc(100vw - 32px));
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    IRANSans,
    Vazirmatn,
    Tahoma,
    Arial,
    sans-serif;
  color: var(--text);
  background: var(--bg);
  text-align: right;
  -webkit-tap-highlight-color: transparent;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(6, 24, 50, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 24, 50, 0.06) 1px, transparent 1px),
    linear-gradient(135deg, rgba(47, 140, 255, 0.18), transparent 44%);
  background-size:
    36px 36px,
    36px 36px,
    100% 100%;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.6) 58%, transparent 100%);
}

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

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

.page-shell {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: center;
  width: var(--page-width);
  min-height: calc(100dvh - 72px);
  margin: 0 auto;
  padding: 32px 0 18px;
}

.card-meta {
  display: inline-flex;
  width: max-content;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.campaign-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.campaign-card {
  --accent: var(--cyan);
  --accent-soft: rgba(56, 189, 248, 0.26);
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: clamp(430px, 64vh, 560px);
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  background:
    linear-gradient(150deg, var(--accent-soft), transparent 38%),
    linear-gradient(180deg, var(--navy-2), var(--navy));
  border-radius: var(--radius);
  box-shadow:
    0 20px 50px rgba(6, 24, 50, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.14);
  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease;
  touch-action: manipulation;
}

.campaign-card::before {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: calc(var(--radius) - 2px);
  clip-path: polygon(0 0, 70% 0, 100% 24%, 100% 100%, 30% 100%, 0 76%);
}

.campaign-card:hover {
  transform: translateY(-8px);
  box-shadow:
    0 30px 70px rgba(6, 24, 50, 0.25),
    inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.campaign-card:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.card-media {
  position: absolute;
  inset: 74px 20px 122px;
  z-index: -1;
  overflow: hidden;
  border-radius: var(--radius);
  clip-path: polygon(0 14%, 72% 0, 100% 20%, 100% 88%, 28% 100%, 0 78%);
  box-shadow:
    0 20px 54px rgba(0, 0, 0, 0.22),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.48) hue-rotate(118deg) brightness(0.78) contrast(1.08);
  transform: scale(1.04);
  transition: transform 0.42s ease;
}

.campaign-card:hover .card-media img {
  transform: scale(1.1);
}

.card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 24, 50, 0.04), rgba(6, 24, 50, 0.82)),
    linear-gradient(135deg, var(--accent-soft), transparent 54%);
}

.campaign-card::after {
  content: "";
  position: absolute;
  inset: auto -20% 18% -20%;
  height: 36%;
  z-index: -1;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.16), transparent);
  transform: rotate(-10deg);
}

.card-symbol {
  position: absolute;
  right: 19px;
  bottom: 74px;
  z-index: -1;
  color: rgba(255, 255, 255, 0.08);
  font-size: clamp(3.2rem, 6.4vw, 5.2rem);
  font-weight: 950;
  line-height: 0.8;
  letter-spacing: 0;
}

.card-number {
  position: absolute;
  top: 22px;
  right: 22px;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.65rem, 4.4vw, 3rem);
  font-weight: 950;
  line-height: 0.9;
  letter-spacing: 0;
}

.card-line {
  position: absolute;
  top: 34px;
  left: 22px;
  width: 34%;
  height: 10px;
  border-block: 2px solid rgba(56, 189, 248, 0.9);
  opacity: 0.9;
}

.card-body {
  display: grid;
  align-self: end;
  gap: 10px;
  padding: 0 24px 28px 118px;
}

.card-body strong {
  max-width: 92%;
  font-size: clamp(1.14rem, 2.1vw, 1.54rem);
  line-height: 1.36;
  letter-spacing: 0;
}

.card-action {
  position: absolute;
  left: 22px;
  bottom: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  min-height: 38px;
  padding: 0 16px;
  color: var(--navy);
  background: linear-gradient(180deg, #fff, #dff2ff);
  font-size: 0.82rem;
  font-weight: 900;
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.site-footer {
  position: relative;
  z-index: 1;
  width: var(--page-width);
  margin: 0 auto;
  padding: 0 0 22px;
  text-align: center;
}

.site-footer p {
  margin: 0;
  color: rgba(16, 33, 61, 0.72);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.9;
}

.site-footer a {
  color: var(--navy);
  font-weight: 900;
  border-bottom: 1px solid rgba(47, 140, 255, 0.42);
}

.card-yalda {
  --accent: #22d3ee;
  --accent-soft: rgba(34, 211, 238, 0.32);
}

.card-yalda .card-line {
  border-block-color: #67e8f9;
}

.card-yalda .card-media {
  clip-path: polygon(0 10%, 78% 0, 100% 28%, 92% 100%, 18% 88%, 0 66%);
}

.card-black {
  --accent: #93c5fd;
  --accent-soft: rgba(147, 197, 253, 0.2);
  background:
    linear-gradient(150deg, rgba(125, 211, 252, 0.18), transparent 40%),
    linear-gradient(180deg, #08121f, #030914);
}

.card-black .card-line {
  border-block-color: #bfdbfe;
}

.card-black .card-media {
  clip-path: polygon(8% 0, 100% 12%, 94% 76%, 50% 100%, 0 76%, 0 20%);
}

.card-black .card-media img {
  filter: saturate(0.22) hue-rotate(128deg) brightness(0.7) contrast(1.2);
}

.card-birthday {
  --accent: #60a5fa;
  --accent-soft: rgba(96, 165, 250, 0.3);
  background:
    linear-gradient(150deg, rgba(96, 165, 250, 0.26), transparent 38%),
    linear-gradient(180deg, #102a5d, #061832);
}

.card-birthday .card-line {
  border-block-color: #38bdf8;
}

.card-birthday .card-media {
  clip-path: polygon(0 24%, 30% 0, 100% 9%, 100% 76%, 72% 100%, 0 86%);
}

.card-birthday .card-symbol {
  color: rgba(96, 165, 250, 0.14);
}

@media (max-width: 980px) {
  .campaign-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
    width: 100%;
    margin: 0 auto;
  }

  .campaign-card {
    min-height: 360px;
  }
}

@media (max-width: 720px) {
  :root {
    --page-width: min(100vw - 22px, 1120px);
  }

  .page-shell {
    align-items: start;
    min-height: auto;
    padding: 12px 0 16px;
  }

  .campaign-grid {
    gap: 12px;
  }

  .campaign-card {
    min-height: 268px;
  }

  .card-media {
    inset: 58px 14px 82px;
  }

  .card-body {
    padding: 0 18px 18px 92px;
  }

  .card-body strong {
    font-size: 1.06rem;
  }

  .card-action {
    left: 18px;
    bottom: 18px;
    min-height: 32px;
    padding: 0 12px;
    font-size: 0.76rem;
  }

  .card-number {
    top: 16px;
    right: 18px;
  }

  .card-symbol {
    right: 16px;
    bottom: 56px;
    font-size: 3.2rem;
  }

  .card-line {
    top: 24px;
    left: 18px;
    height: 8px;
  }

  .site-footer {
    padding-bottom: 18px;
  }

  .site-footer p {
    font-size: 0.76rem;
  }
}

@media (max-width: 420px) {
  .campaign-card {
    min-height: 260px;
  }
}