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

/* شاشة كاملة وخلفية متحركة */
html,body { height: 100%; }
body {
  font-family: 'Poppins', "Inter", "Segoe UI", Roboto, system-ui, -apple-system, "Helvetica Neue", Arial;
  display: grid;
  place-items: center;
  background: radial-gradient(1200px 600px at 10% 20%, #0f172a 0%, transparent 20%),
              radial-gradient(900px 400px at 90% 80%, #0b1220 0%, transparent 18%),
              linear-gradient(180deg, #071024 0%, #07112b 50%, #09172f 100%);
  overflow: hidden;
}

/* تأثير سحاب لامع في الخلفية */
body::before{
  content:"";
  position:fixed; inset: -10% -10% -10% -10%;
  background: linear-gradient(90deg, rgba(255,255,255,0.03), rgba(255,255,255,0.0), rgba(255,255,255,0.02));
  transform: rotate(12deg);
  animation: bgDrift 14s linear infinite;
  mix-blend-mode: overlay;
  pointer-events:none;
  opacity:0.9;
}
@keyframes bgDrift { from{transform:translateX(-5%) rotate(12deg)} to{transform:translateX(5%) rotate(12deg)} }

/* الحاوية المركزية */
.center {
  width: min(95vw, 1100px);
  padding: 4vh 2rem;
  display: grid;
  place-items: center;
  gap: 1rem;
}

/* controls removed (no visible button) */

/* اللوغو */
.logo {
  position: relative;
  font-size: clamp(36px, 9.8vw, 130px);
  letter-spacing: -0.02em;
  line-height: 1;
  display: inline-block;
  padding: 0.2em 0.45em;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transform-origin: center;
  filter: drop-shadow(0 18px 40px rgba(5,8,20,0.65));
  font-weight: 800;
  /* keep the whole name on a single line */
  white-space: nowrap;
  word-break: keep-all;
  hyphens: none;
}

/* تدرج النص مع شفافية ولون متغير */
.logo .char {
  display: inline-block;
  color: transparent;
  /* animated gradient fill */
  background: linear-gradient(90deg, #7b61ff 0%, #6fc3ff 30%, #00ffa3 60%, #ffd86b 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow:
    0 1px 0 rgba(255,255,255,0.02),
    0 10px 40px rgba(2,12,35,0.7),
    0 0 40px rgba(123,97,255,0.16),
    0 0 12px rgba(0,212,255,0.06);
  -webkit-text-stroke: 0.6px rgba(10,12,20,0.45);
  transform-origin: center;
  opacity: 0;
  animation: popIn 720ms cubic-bezier(.2,.9,.3,1) forwards;
  animation-delay: calc(var(--i) * 48ms);
  position: relative;
  transition: transform .36s cubic-bezier(.2,.9,.3,1), filter .25s, text-shadow .25s;
}

/* animated gradient movement */
.logo .char {
  background-size: 240% 100%;
  animation-name: popIn, gradientShift;
  animation-duration: 720ms, 6s;
  animation-timing-function: cubic-bezier(.2,.9,.3,1), ease-in-out;
  animation-fill-mode: forwards, infinite;
  animation-delay: calc(var(--i) * 48ms), 0s;
}

@keyframes gradientShift {
  0%{ background-position: 0% 50%; }
  50%{ background-position: 100% 50%; }
  100%{ background-position: 0% 50%; }
}

/* مسافة مرئية بين الكلمات */
.logo .char.space {
  width: 0.6ch; /* make the gap slightly wider and proportional */
  opacity: 1; /* visible but not animated */
  animation: none !important;
  transform: none !important;
  text-shadow: none !important;
}

/* Ensure individual characters don't introduce line breaks */
.logo .char { white-space: pre; }

/* Hover interaction - lift letters and intensify glow */
.logo:hover .char { transform: translateY(-6px) scale(1.03); filter: drop-shadow(0 28px 50px rgba(80,60,200,0.14)); }

/* Outer glow layer */
.logo::before{
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 10px;
  filter: blur(28px);
  background: radial-gradient(closest-side, rgba(123,97,255,0.08), transparent 40%);
  z-index: -1;
  pointer-events: none;
  opacity: 0.95;
}

/* Subtitle under the logo */
.subtitle {
  margin-top: 0.6rem;
  font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  font-weight: 600;
  font-size: clamp(11px, 1.6vw, 16px);
  color: transparent;
  background: linear-gradient(90deg, rgba(255,255,255,0.95), rgba(180,200,255,0.85));
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .6s ease, transform .6s ease;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: inline-block;
  vertical-align: middle;
}

.center:has(.logo) .subtitle { opacity: 1; transform: translateY(0); }

/* decorative bar before subtitle */
.subtitle::before{
  content: '';
  display: inline-block;
  width: 34px;
  height: 2px;
  margin-inline-end: 10px;
  vertical-align: middle;
  background: linear-gradient(90deg, rgba(123,97,255,0.9), rgba(0,212,255,0.85));
  border-radius: 2px;
  opacity: 0.95;
}

/* matching decorative bar on the right */
.subtitle::after{
  content: '';
  display: inline-block;
  width: 34px;
  height: 2px;
  margin-inline-start: 10px;
  vertical-align: middle;
  background: linear-gradient(90deg, rgba(123,97,255,0.9), rgba(0,212,255,0.85));
  border-radius: 2px;
  opacity: 0.95;
}

/* حركات خفيفة: ارتفاع/هبوط وارتداد بسيط */
@keyframes popIn {
  0%   { transform: translateY(16px) rotate(-2deg) scale(0.96); opacity: 0; filter: blur(6px); }
  60%  { transform: translateY(-5px) rotate(1deg) scale(1.02); opacity: 1; filter: blur(0); }
  100% { transform: translateY(0) rotate(0deg) scale(1); opacity: 1; filter: blur(0); }
}

/* تأثير بريق يمر عبر النص */
.logo::after{
  content: "";
  position: absolute;
  left: -40%;
  top: 0;
  width: 200%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(90deg, transparent 35%, rgba(255,255,255,0.35) 47%, rgba(255,255,255,0.06) 53%, transparent 65%);
  transform: skewX(-18deg);
  mix-blend-mode: overlay;
  animation: shine 3.6s ease-in-out infinite;
  opacity: 0.9;
}
@keyframes shine {
  0%   { transform: translateX(-110%) skewX(-18deg); opacity:0; }
  15%  { opacity:0.25; }
  45%  { transform: translateX(10%) skewX(-18deg); opacity:1; }
  75%  { opacity:0.2; }
  100% { transform: translateX(110%) skewX(-18deg); opacity:0; }
}

/* تأثير طفو بطيء للمجموعة كلها */
.logo {
  animation: floatSlow 6.5s ease-in-out infinite;
}
@keyframes floatSlow {
  0%  { transform: translateY(0) }
  50% { transform: translateY(-6px) }
  100% { transform: translateY(0) }
}

/* دعم لتفضيل تقليل الحركة */
@media (prefers-reduced-motion: reduce) {
  .logo, .logo .char, .logo::after, body::before { animation: none !important; transition: none !important; }
  .logo .char { opacity: 1; transform: none; filter: none; }
}

/* لمسات للعرض في خلفيات غامقة */
.center::before {
  content: "";
  position: absolute;
  inset: 0;
  backdrop-filter: blur(6px) saturate(120%);
  mix-blend-mode: soft-light;
  pointer-events: none;
}

/* controls removed (no visible button) */