/* 🌐 Root Variables */
:root {
  --color-bg: #ffffff;
  --color-fg: #000000;
  --color-accent: #d63384;
  --color-primary: #007bff;
  --color-code-bg: #ffeaf4;

  --color-bg-dark: #000000;
  --color-fg-dark: #ffffff;
  --color-card-dark: #1e1e1e;
  --color-code-dark-bg: rgba(255, 255, 255, 0.15);
  --color-code-dark-fg: #ffc107;
  --color-link-dark: #66bfff;

  --radius: 1rem;
  --spacing: 1.5rem;
  --max-width: 640px;

  --shadow-light: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-dark: 0 0 20px rgba(255, 255, 255, 0.06);
  --border-light: 1px solid rgba(0, 0, 0, 0.05);
  --border-dark: 1px solid rgba(255, 255, 255, 0.08);

  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* ✨ Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-fg);
  overflow-x: hidden;
  line-height: 1.6;
  text-align: center;
}

/* 🌌 Background Image */
.yudeka-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: url('/img/image1.jpg') center center / cover no-repeat;
  background-color: rgba(0, 0, 0, 0.85);
  background-blend-mode: overlay;
  transition: background var(--transition-fast);
  z-index: 0;
}

/* 🧱 Content Card */
.yudeka-content {
  position: relative;
  z-index: 10;
  width: 90%;
  max-width: var(--max-width);
  padding: 3rem 2rem;
  background-color: var(--color-bg);
  color: var(--color-fg);
  border: var(--border-light);
  box-shadow: var(--shadow-light);
  border-radius: var(--radius);
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-fast);
}

.yudeka-content:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.12);
}

/* 🖼️ Logo */
.yudeka-logo {
  width: 140px;
  height: auto;
  margin-bottom: var(--spacing);
}

/* 🔠 Title & Description */
.yudeka-title {
  font-size: 2rem;
  font-weight: 700;
  margin: 1rem 0 0.5rem;
}

.yudeka-description {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: var(--spacing);
}

/* 📫 Contact */
.yudeka-contact {
  font-family: 'Source Code Pro', monospace;
  font-size: 1rem;
  margin-top: var(--spacing);
}

.yudeka-contact code {
  display: inline-block;
  background-color: var(--color-code-bg);
  color: var(--color-accent);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: bold;
  transition: all var(--transition-fast);
}

.yudeka-contact a {
  color: var(--color-primary);
  text-decoration: none;
}

/* 📱 Responsiveness */
@media (max-width: 768px) {
  .yudeka-title {
    font-size: 1.75rem;
  }

  .yudeka-description {
    font-size: 1.125rem;
  }
}

@media (max-width: 480px) {
  .yudeka-content {
    padding: 2rem 1rem;
  }

  .yudeka-title {
    font-size: 1.5rem;
  }

  .yudeka-description {
    font-size: 1rem;
  }
}

/* ✨ Fade-in Animation */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 🌙 Dark Theme (manual via data-theme) */
html[data-theme='dark'] {
  background-color: var(--color-bg-dark);
  color: var(--color-fg-dark);
}

html[data-theme='dark'] .yudeka-content {
  background-color: var(--color-card-dark);
  color: var(--color-fg-dark);
  border: var(--border-dark);
  box-shadow: var(--shadow-dark);
}

html[data-theme='dark'] .yudeka-content:hover {
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

html[data-theme='dark'] .yudeka-contact code {
  background-color: var(--color-code-dark-bg);
  color: var(--color-code-dark-fg);
}

html[data-theme='dark'] .yudeka-contact a {
  color: var(--color-link-dark);
}