/* DigitalITWeb — Free AI Tools directory */

:root {
  --bg: #071018;
  --bg-2: #0c1822;
  --panel: #101f2b;
  --panel-2: #132433;
  --ink: #f2f7fa;
  --muted: #8aa0b0;
  --line: rgba(255, 255, 255, 0.08);
  --brand: #0b9bb8;
  --brand-2: #14a37a;
  --sun: #e8782f;
  --radius: 1.1rem;
  --font: "Outfit", system-ui, sans-serif;
  --display: "Syne", system-ui, sans-serif;
  --max: 1180px;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  min-height: 100vh;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 520px at 12% -10%, rgba(11, 155, 184, 0.28), transparent 55%),
    radial-gradient(700px 480px at 90% 8%, rgba(232, 120, 47, 0.16), transparent 50%),
    radial-gradient(600px 420px at 50% 100%, rgba(20, 163, 122, 0.12), transparent 55%),
    linear-gradient(180deg, #061018, #0a1520 40%, #071018);
}
.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(7, 16, 24, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.85rem 0;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.65rem;
  font-weight: 700; letter-spacing: -0.02em;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; object-fit: contain; background: #fff; }
.brand span { font-size: 1.05rem; }
.nav-links { display: flex; align-items: center; gap: 0.65rem; flex-wrap: wrap; }
.nav-links a {
  font-size: 0.9rem; color: var(--muted); padding: 0.45rem 0.75rem; border-radius: 999px;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.7rem 1.15rem; border-radius: 999px; border: 1px solid transparent;
  font-weight: 650; font-size: 0.92rem; cursor: pointer; transition: 0.2s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; box-shadow: 0 10px 28px rgba(11, 155, 184, 0.28);
}
.btn-primary:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--line); color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); }

/* Hero */
.hero { padding: 3.2rem 0 1.5rem; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.35rem 0.75rem; border-radius: 999px;
  background: rgba(20, 163, 122, 0.12); border: 1px solid rgba(20, 163, 122, 0.28);
  color: #7fe0c0; font-size: 0.82rem; font-weight: 650; margin-bottom: 1rem;
}
.hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 3.55rem);
  line-height: 1.05; letter-spacing: -0.03em; max-width: 14ch;
}
.hero p {
  margin: 0; max-width: 52ch; color: var(--muted); font-size: 1.05rem;
}
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem;
}
.stat-pill {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.55rem 0.9rem; border-radius: 999px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--line);
  font-size: 0.9rem; color: #d7e6ef;
}
.stat-pill strong { color: #fff; font-weight: 700; }

/* Toolbar */
.toolbar {
  display: grid; gap: 1rem; margin: 1.75rem 0 1.25rem;
  padding: 1rem; border-radius: calc(var(--radius) + 4px);
  background: rgba(16, 31, 43, 0.85); border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.search-wrap { position: relative; }
.search-wrap svg {
  position: absolute; left: 0.95rem; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; opacity: 0.55; pointer-events: none;
}
#tool-search {
  width: 100%; padding: 0.85rem 1rem 0.85rem 2.7rem;
  border-radius: 999px; border: 1px solid var(--line);
  background: #0a1620; color: #fff; outline: none;
}
#tool-search:focus { border-color: rgba(11, 155, 184, 0.55); box-shadow: 0 0 0 3px rgba(11, 155, 184, 0.18); }
#tool-search::placeholder { color: #6f8798; }

.cats {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.cat-btn {
  border: 1px solid var(--line); background: rgba(255,255,255,0.03);
  color: var(--muted); border-radius: 999px; padding: 0.45rem 0.85rem;
  cursor: pointer; font-size: 0.84rem; font-weight: 600;
}
.cat-btn:hover { color: #fff; border-color: rgba(255,255,255,0.18); }
.cat-btn.is-active {
  color: #fff;
  background: linear-gradient(135deg, rgba(11,155,184,0.35), rgba(20,163,122,0.28));
  border-color: rgba(11, 155, 184, 0.5);
}

.results-meta {
  display: flex; justify-content: space-between; align-items: center;
  gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem;
  color: var(--muted); font-size: 0.9rem;
}
.results-meta strong { color: #fff; }

/* Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding-bottom: 3rem;
}
.tool-card {
  display: flex; flex-direction: column; gap: 0.65rem;
  padding: 1.15rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(0,0,0,0.22);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 100%;
}
.tool-card:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 155, 184, 0.35);
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
}
.tool-card.is-hidden { display: none; }

.tool-top {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem;
}
.tool-icon {
  width: 48px; height: 48px; border-radius: 12px;
  object-fit: contain; background: #fff; padding: 6px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}
.badges { display: flex; flex-wrap: wrap; gap: 0.35rem; justify-content: flex-end; }
.badge {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.02em;
  padding: 0.28rem 0.55rem; border-radius: 999px;
}
.badge-free {
  background: rgba(20, 163, 122, 0.18); color: #7fe0c0;
  border: 1px solid rgba(20, 163, 122, 0.35);
}
.badge-freemium {
  background: rgba(232, 120, 47, 0.16); color: #ffc089;
  border: 1px solid rgba(232, 120, 47, 0.35);
}
.badge-cat {
  background: rgba(255,255,255,0.05); color: #a8bdd0;
  border: 1px solid var(--line); font-weight: 600;
}

.tool-card h2 {
  margin: 0; font-size: 1.15rem; letter-spacing: -0.02em; line-height: 1.2;
}
.provider {
  margin: 0; color: var(--muted); font-size: 0.86rem;
}
.provider span {
  display: inline-block; margin-top: 0.15rem;
  color: #9ec8d8; font-weight: 600;
}
.tool-card p {
  margin: 0; color: #b7c9d6; font-size: 0.92rem; flex: 1;
}
.tool-link {
  margin-top: 0.35rem;
  display: inline-flex; align-items: center; gap: 0.35rem;
  color: #7ed7ea; font-weight: 650; font-size: 0.88rem;
}
.tool-card:hover .tool-link { color: #a8e8f4; }

.empty {
  display: none; text-align: center; padding: 3rem 1rem; color: var(--muted);
  border: 1px dashed var(--line); border-radius: var(--radius); margin-bottom: 2rem;
}
.empty.is-visible { display: block; }

/* CTA band */
.cta-band {
  margin: 0.5rem 0 3rem; padding: 1.5rem;
  border-radius: calc(var(--radius) + 6px);
  background:
    linear-gradient(135deg, rgba(11,155,184,0.18), rgba(20,163,122,0.12) 50%, rgba(232,120,47,0.12)),
    #0e1c28;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
}
.cta-band h2 { margin: 0 0 0.35rem; font-size: 1.35rem; letter-spacing: -0.02em; }
.cta-band p { margin: 0; color: var(--muted); max-width: 46ch; }

.footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem; color: var(--muted); font-size: 0.88rem;
}
.footer-inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem;
}

@media (max-width: 960px) {
  .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .tools-grid { grid-template-columns: 1fr; }
  .nav-links .hide-sm { display: none; }
  .hero { padding-top: 2.2rem; }
}