:root {
  --bg: oklch(0.13 0.06 250);
  --panel: rgba(18, 23, 40, 0.78);
  --panel-strong: rgba(11, 16, 30, 0.88);
  --border: rgba(255, 255, 255, 0.14);
  --text: oklch(0.97 0.01 260);
  --muted: oklch(0.82 0.03 260);
  --accent: oklch(0.74 0.16 250);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Inter", "Plus Jakarta Sans", system-ui, sans-serif;
  background:
    radial-gradient(circle at 10% 10%, rgba(99,102,241,.18), transparent 40%),
    radial-gradient(circle at 90% 0, rgba(16,185,129,.12), transparent 30%),
    var(--bg);
}

.entry-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

.entry-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1.35rem;
  min-height: 360px;
  padding: 1.6rem;
  box-shadow: 0 18px 44px rgba(4, 8, 24, .34);
}

.entry-hero--aurora {
  background:
    linear-gradient(180deg, rgba(8, 10, 20, .22), rgba(8, 10, 20, .58)),
    linear-gradient(90deg, rgba(9, 14, 28, .72), rgba(9, 14, 28, .28)),
    url("../design-concepts/concept-a-aurora-grid.jpg") center center / cover no-repeat;
}

.entry-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0));
  pointer-events: none;
}

.entry-hero__content {
  position: relative;
  z-index: 1;
  max-width: 560px;
  padding: 1rem 1.05rem;
  border-radius: 1.15rem;
  background: var(--panel);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.14);
}

.entry-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: .65rem;
  padding: .36rem .72rem;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #d6ddff;
  background: rgba(79, 70, 229, .28);
  border: 1px solid rgba(165, 180, 252, .34);
}

.entry-hero h1 {
  margin: 0 0 .7rem;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.04;
}

.entry-hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
  font-size: 1.02rem;
}

.entry-grid {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.entry-card {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.2rem;
  box-shadow: 0 14px 30px rgba(4, 8, 24, .22);
}

.entry-card h2 {
  margin-top: 0;
  margin-bottom: .55rem;
}

.entry-card p {
  color: var(--muted);
  min-height: 3rem;
  line-height: 1.68;
}

.entry-card a {
  display: inline-block;
  margin-top: .5rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  border: 1px solid var(--border);
  padding: .65rem 1rem;
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  transition: transform .18s ease, border-color .2s ease, background .2s ease;
}

.entry-card a:hover {
  border-color: var(--accent);
  background: rgba(255,255,255,.06);
  transform: translateY(-1px);
}

footer {
  text-align: center;
  color: var(--muted);
  margin-top: 1.4rem;
  font-size: .86rem;
}

@media (max-width: 860px) {
  .entry-hero--aurora {
    background:
      linear-gradient(180deg, rgba(7, 10, 22, .40), rgba(7, 10, 22, .72)),
      linear-gradient(90deg, rgba(9, 14, 28, .82), rgba(9, 14, 28, .38)),
      url("../design-concepts/concept-a-aurora-grid.jpg") 38% center / cover no-repeat;
  }

  .entry-hero__content {
    max-width: 520px;
    background: rgba(11, 16, 30, 0.84);
  }
}

@media (max-width: 720px) {
  .entry-wrap {
    padding: 1rem .85rem 3rem;
  }

  .entry-hero {
    min-height: 300px;
    padding: .95rem;
    border-radius: 1.1rem;
  }

  .entry-hero--aurora {
    background:
      linear-gradient(180deg, rgba(6, 10, 22, .58), rgba(6, 10, 22, .82)),
      linear-gradient(90deg, rgba(9, 14, 28, .92), rgba(9, 14, 28, .48)),
      url("../design-concepts/concept-a-aurora-grid.jpg") 34% center / cover no-repeat;
  }

  .entry-hero__content {
    max-width: 100%;
    padding: .95rem .95rem 1rem;
    border-radius: 1rem;
    background: rgba(9, 14, 28, 0.88);
  }

  .entry-kicker {
    margin-bottom: .55rem;
    padding: .32rem .62rem;
    font-size: .74rem;
  }

  .entry-hero h1 {
    font-size: clamp(1.9rem, 8vw, 2.6rem);
    margin-bottom: .6rem;
  }

  .entry-hero p {
    font-size: .96rem;
    line-height: 1.64;
  }

  .entry-card p {
    min-height: 0;
  }
}

@media (max-width: 480px) {
  .entry-hero {
    min-height: 280px;
  }

  .entry-hero--aurora {
    background:
      linear-gradient(180deg, rgba(5, 9, 20, .66), rgba(5, 9, 20, .88)),
      linear-gradient(90deg, rgba(9, 14, 28, .96), rgba(9, 14, 28, .58)),
      url("../design-concepts/concept-a-aurora-grid.jpg") 28% center / cover no-repeat;
  }

  .entry-hero__content {
    padding: .88rem .88rem .95rem;
    background: rgba(8, 13, 26, 0.92);
  }
}