:root {
  --sky-top: #4eb8ff;
  --sky-mid: #1e90ff;
  --sky-bot: #0b5ed7;
  --orange: #ff8a00;
  --orange-dark: #e56f00;
  --lime: #7ed321;
  --ink: #2c3e50;
  --muted: #6b7c8f;
  --paper: #f4f8fc;
  --white: #fff;
  --radius: 14px;
  --font: "Nunito", "Trebuchet MS", Geneva, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: #dce9f5 url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='2' cy='2' r='1.5' fill='%23c5d8ea'/%3E%3C/svg%3E");
  line-height: 1.55;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: #0b6bcb; text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

.wrap { width: min(980px, calc(100% - 24px)); margin: 0 auto; }

/* glossy top bar */
.topbar {
  background: linear-gradient(180deg, #fff 0%, #e8f1fa 100%);
  border-bottom: 1px solid #b8d0e8;
  box-shadow: 0 2px 0 rgba(255,255,255,.8) inset;
  padding: 10px 0;
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.logo {
  font-weight: 800; font-size: 22px; color: #0b5ed7;
  text-shadow: 0 1px 0 #fff;
}
.logo span {
  background: linear-gradient(180deg, #ffb347, #ff8a00);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav { display: flex; gap: 8px; flex-wrap: wrap; }

/* plastic / glossy buttons — classic Web 2.0 */
.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
  border: 1px solid rgba(0,0,0,.15);
  box-shadow:
    0 1px 0 rgba(255,255,255,.55) inset,
    0 -2px 0 rgba(0,0,0,.08) inset,
    0 3px 8px rgba(0,60,120,.18);
  text-decoration: none !important;
  color: #fff !important;
  text-shadow: 0 1px 1px rgba(0,0,0,.25);
  transition: transform .15s, filter .15s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.05); text-decoration: none !important; }
.btn:active { transform: translateY(1px); box-shadow: 0 1px 0 rgba(255,255,255,.3) inset, 0 1px 3px rgba(0,0,0,.2); }
.btn--blue {
  background: linear-gradient(180deg, #6ec1ff 0%, #1e90ff 45%, #0b5ed7 100%);
}
.btn--orange {
  background: linear-gradient(180deg, #ffc266 0%, #ff8a00 48%, #e56f00 100%);
}
.btn--green {
  background: linear-gradient(180deg, #a8e063 0%, #56ab2f 100%);
}
.btn--grey {
  background: linear-gradient(180deg, #fff 0%, #d9e3ee 100%);
  color: #345 !important;
  text-shadow: 0 1px 0 #fff;
}

/* hero banner */
.hero {
  margin: 18px auto;
  border-radius: 22px;
  padding: 36px 32px;
  background:
    radial-gradient(circle at 90% 20%, rgba(255,255,255,.45), transparent 40%),
    linear-gradient(145deg, #4eb8ff 0%, #1e90ff 40%, #0a4db5 100%);
  color: #fff;
  box-shadow:
    0 1px 0 rgba(255,255,255,.5) inset,
    0 12px 28px rgba(11,94,215,.35);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 45%;
  background: linear-gradient(180deg, rgba(255,255,255,.35), transparent);
  pointer-events: none;
  border-radius: 22px 22px 0 0;
}
.hero > * { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  text-shadow: 0 2px 0 rgba(0,60,120,.25);
  margin-bottom: 10px;
  max-width: 720px;
}
.hero p { max-width: 560px; opacity: .95; margin-bottom: 18px; font-size: 16px; }
.badge {
  display: inline-block;
  background: linear-gradient(180deg, #fff59d, #ffd54f);
  color: #7a4e00;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  box-shadow: 0 1px 0 #fff inset, 0 2px 4px rgba(0,0,0,.15);
  margin-bottom: 12px;
  text-shadow: none;
}

.section { margin: 28px auto; }
.section__title {
  font-size: 24px; font-weight: 900; color: #0b5ed7;
  text-shadow: 0 1px 0 #fff; margin-bottom: 14px;
}

/* review cards grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.card {
  background: linear-gradient(180deg, #fff 0%, #f0f6fc 100%);
  border: 1px solid #b9d0e6;
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 1px 0 #fff inset, 0 6px 16px rgba(30,100,180,.12);
  position: relative;
  transition: transform .2s;
}
.card:hover { transform: translateY(-3px); }
.card--featured {
  border-color: #ffb347;
  background: linear-gradient(180deg, #fffaf0 0%, #ffe8c4 100%);
  box-shadow: 0 1px 0 #fff inset, 0 8px 22px rgba(229,111,0,.2);
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 20px;
  align-items: center;
}
.card__tag {
  display: inline-block;
  font-size: 11px; font-weight: 800;
  padding: 3px 8px; border-radius: 999px;
  background: linear-gradient(180deg, #e8f4ff, #c5dff5);
  color: #0b5ed7;
  margin-bottom: 8px;
}
.card__tag--hot {
  background: linear-gradient(180deg, #ffb347, #ff8a00);
  color: #fff;
  text-shadow: 0 1px 1px rgba(0,0,0,.2);
}
.card h2, .card h3 {
  font-size: 20px; font-weight: 900; margin-bottom: 8px; color: #1a3a5c;
}
.card p { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.stars { color: #ff8a00; letter-spacing: 1px; font-size: 15px; margin-bottom: 8px; }
.pros {
  margin: 10px 0 14px;
  padding: 10px 12px;
  background: rgba(126,211,33,.12);
  border-radius: 10px;
  border: 1px solid rgba(86,171,47,.25);
  font-size: 13px;
}
.pros li { padding: 3px 0 3px 18px; position: relative; color: #2d5a1a; }
.pros li::before { content: "✓"; position: absolute; left: 0; font-weight: 900; color: #56ab2f; }

/* article page */
.article {
  background: linear-gradient(180deg, #fff, #f5f9fd);
  border: 1px solid #b9d0e6;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 1px 0 #fff inset, 0 10px 24px rgba(30,100,180,.1);
  margin: 20px auto 40px;
}
.article h1 {
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 900;
  color: #0b5ed7;
  margin-bottom: 8px;
}
.article .meta { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.article h2 {
  font-size: 20px; color: #1a3a5c; margin: 22px 0 10px; font-weight: 800;
}
.article p { margin-bottom: 12px; color: #3a4d5f; }
.article ul { margin: 0 0 14px 18px; list-style: disc; color: #3a4d5f; }
.article li { margin-bottom: 6px; }
.highlight {
  background: linear-gradient(180deg, #fff8e7, #ffe0b0);
  border: 1px solid #ffb347;
  border-radius: 12px;
  padding: 16px 18px;
  margin: 18px 0;
  box-shadow: 0 1px 0 #fff inset;
}
.highlight a {
  font-weight: 900;
  color: #e56f00;
  border-bottom: 2px solid #ff8a00;
  text-decoration: none;
}
.highlight a:hover { color: #c45a00; }

.footer {
  margin: 30px auto 20px;
  text-align: center;
  font-size: 12px;
  color: #6b7c8f;
  padding: 16px;
  background: linear-gradient(180deg, #fff, #e4eef8);
  border-radius: 12px;
  border: 1px solid #b9d0e6;
}

@media (max-width: 720px) {
  .card--featured { grid-template-columns: 1fr; }
  .hero { padding: 28px 20px; }
}