/* ==========================================================
   SenkiHub — style.css
   Tema: dark / techy, aksen neon biru-ungu
   ========================================================== */

:root{
  --bg: #06070d;
  --bg-soft: #0b0e18;
  --card: #10131f;
  --card-border: rgba(255,255,255,0.07);
  --text: #e7e9f5;
  --text-dim: #9aa0b4;
  --accent-blue: #00d9ff;
  --accent-purple: #6c5ce7;
  --accent-grad: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  --radius: 16px;
  --shadow: 0 8px 30px rgba(0,0,0,0.45);
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior: smooth; }

body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
}

/* ---------------- Background FX ---------------- */
.bg-fx{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.grid-overlay{
  position: absolute;
  inset: -2px;
  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: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 40%, transparent 90%);
}

.glow{
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.35;
  will-change: transform;
}
.glow-1{
  top: -180px;
  left: -120px;
  background: var(--accent-purple);
  animation: floatSlow 16s ease-in-out infinite;
}
.glow-2{
  bottom: -200px;
  right: -140px;
  background: var(--accent-blue);
  animation: floatSlow 18s ease-in-out infinite reverse;
}

@keyframes floatSlow{
  0%, 100% { transform: translate(0,0); }
  50%      { transform: translate(40px, 30px); }
}

.particles{
  position: absolute;
  inset: 0;
}
.particle{
  position: absolute;
  border-radius: 50%;
  background: rgba(0, 217, 255, 0.55);
  box-shadow: 0 0 8px rgba(0, 217, 255, 0.6);
  animation-name: floatUp;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
@keyframes floatUp{
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  10%  { opacity: 0.7; }
  90%  { opacity: 0.4; }
  100% { transform: translateY(-110vh) translateX(20px); opacity: 0; }
}

/* ---------------- Layout ---------------- */
.wrapper{
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

/* ---------------- Header ---------------- */
.header{
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  animation: fadeInDown 0.7s ease both;
}

.logo{
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 8vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo-main{ color: var(--text); }
.logo-accent{
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle{
  color: var(--text-dim);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.author-link{
  margin-top: 4px;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255,255,255,0.25);
  padding-bottom: 2px;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.author-link:hover{
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

/* ---------------- Menu / Cards ---------------- */
.menu-list{
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.tool-card{
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px 22px;
  text-decoration: none;
  color: var(--text);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1), border-color 0.35s ease, box-shadow 0.35s ease;
  animation: fadeInUp 0.6s ease both;
}
.menu-list .tool-card:nth-child(1){ animation-delay: 0.05s; }
.menu-list .tool-card:nth-child(2){ animation-delay: 0.15s; }
.menu-list .tool-card:nth-child(3){ animation-delay: 0.25s; }
.menu-list .tool-card:nth-child(4){ animation-delay: 0.35s; }

.tool-card::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--accent-grad);
  opacity: 0;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: opacity 0.35s ease;
  z-index: -1;
}

.card-glow{
  position: absolute;
  top: 50%;
  left: 10%;
  width: 200px;
  height: 200px;
  background: var(--accent-blue);
  filter: blur(70px);
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 0.4s ease;
  z-index: -1;
}

.tool-card:hover,
.tool-card:focus-visible{
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.tool-card:hover::before{ opacity: 1; }
.tool-card:hover .card-glow{ opacity: 0.18; }

.tool-icon{
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  transition: transform 0.35s ease, background 0.35s ease;
}
.tool-card:hover .tool-icon{
  transform: scale(1.08) rotate(-4deg);
  background: rgba(255,255,255,0.06);
}

.tool-info{ flex: 1; min-width: 0; }

.tool-name{
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tool-desc{
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.45;
}

.tool-arrow{
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--accent-blue);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.tool-card:hover .tool-arrow{
  opacity: 1;
  transform: translateX(0);
}

.badge-soon{
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--accent-blue);
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.3);
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
}

.tool-card.is-soon{
  opacity: 0.85;
}

/* ---------------- Footer ---------------- */
.footer{
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ---------------- Watermark ---------------- */
.watermark{
  position: fixed;
  bottom: 14px;
  right: 16px;
  z-index: 5;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--card-border);
  padding: 6px 10px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
  transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.watermark:hover{
  color: var(--accent-blue);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

/* ---------------- Animations ---------------- */
@keyframes fadeInDown{
  from{ opacity: 0; transform: translateY(-14px); }
  to{ opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp{
  from{ opacity: 0; transform: translateY(14px); }
  to{ opacity: 1; transform: translateY(0); }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 560px){
  .wrapper{ padding: 48px 16px 32px; gap: 36px; }
  .tool-card{ padding: 18px; gap: 14px; }
  .tool-icon{ width: 46px; height: 46px; }
  .tool-icon img{ width: 32px; height: 32px; }
  .tool-arrow{ display: none; }
  .watermark{ bottom: 10px; right: 10px; }
}

@media (prefers-reduced-motion: reduce){
  *{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}