/* ================================
   FISHTANK HUB — ELITE UI SYSTEM
   ================================ */

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(circle at top, #0f1c35, #0a1628);
  color: #e8f0fe;
  overflow-x: hidden;
}

/* Smooth fade in */
body {
  animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================================
   LAYOUT
   ================================ */

.container {
  width: 92%;
  max-width: 1150px;
  margin: auto;
}

/* ================================
   NAV (GLASS EFFECT)
   ================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(10, 22, 40, 0.65);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.nav__logo {
  font-weight: 800;
  letter-spacing: 0.3px;
}

.nav__links a {
  margin-left: 22px;
  color: #8aa4c8;
  transition: 0.2s;
}

.nav__links a:hover {
  color: #fff;
}

/* ================================
   HERO (HIGH-END LOOK)
   ================================ */

.hero {
  text-align: center;
  padding: 110px 0 80px;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,200,160,0.15), transparent 60%);
  top: -200px;
  left: -150px;
  filter: blur(40px);
  z-index: 0;
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  background: linear-gradient(135deg, #00c8a0, #0094ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero__desc {
  margin-top: 18px;
  color: #a8c0e0;
  font-size: 1.1rem;
  max-width: 600px;
  margin-inline: auto;
}

/* ================================
   BUTTONS (ELITE FEEL)
   ================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 12px;
  font-weight: 700;
  transition: 0.25s;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #00c8a0, #00a882);
  color: #00140f;
  box-shadow: 0 10px 40px rgba(0,200,160,0.25);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 15px 55px rgba(0,200,160,0.4);
}

.btn-secondary {
  border: 1px solid rgba(255,255,255,0.1);
  color: #a8c0e0;
  background: rgba(255,255,255,0.02);
}

.btn-secondary:hover {
  border-color: #00c8a0;
  color: #fff;
  transform: translateY(-2px);
}

/* ================================
   SECTIONS
   ================================ */

.section {
  padding: 70px 0;
}

/* ================================
   GRID
   ================================ */

.tools-grid {
  display: grid;
  gap: 22px;
}

/* ================================
   CARDS (GLASS + DEPTH)
   ================================ */

.tool-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: 0.25s;
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(0,200,160,0.08), transparent 60%);
  opacity: 0;
  transition: 0.3s;
}

.tool-card:hover::before {
  opacity: 1;
}

.tool-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,200,160,0.35);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.tool-card h3 {
  margin-bottom: 6px;
}

.tool-card p {
  color: #a8c0e0;
  font-size: 0.95rem;
}

.tool-card a {
  display: inline-block;
  margin-top: 12px;
  color: #00c8a0;
  font-weight: 700;
}

/* ================================
   FOOTER
   ================================ */

.footer {
  text-align: center;
  padding: 30px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: #7a9cc8;
}

/* ================================
   RESPONSIVE
   ================================ */

@media (min-width: 768px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}