body {
    font-family: 'Inter', sans-serif;
    margin: 0;
  }

/* Header */
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background: #fff;
  position: relative;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.logo-link {
  font-family: 'Marck Script', cursive;
  font-size: 45px;
  color: #ff5e66;
  letter-spacing: -0.08em;
  text-decoration: none;
}


/* Hamburger */
.hamburger {
  display: none; /* hidden on desktop */
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 18px;
  cursor: pointer;
  gap: 5px;
}
.hamburger div {
  width: 25px;
  height: 3px;
  background-color: #333;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-menu {
  display: flex;
  gap: 1.5rem;
}

.nav-item {
  font-size: 1rem;
  color: #333;
  text-decoration: none;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}

.nav-item:hover {
  background-color: #f1f1f1;
}

.nav-item.active {
  background-color: #ff5e66;
  color: #fff;
  font-weight: bold;
}

/* Nav Menu */
.nav-menu {
  display: flex; /* horizontal on desktop */
  gap: 20px;
}

.nav-menu .nav-item {
  text-decoration: none;
  color: #222;
  font-weight: 500;
}

.nav-menu .nav-item.active {
  color: #ffffff;
}


/* ===== Mobile ===== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    flex-direction: column;
    position: absolute;
    top: 60px; /* below header */
    right: 20px;
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    display: none; /* hidden by default */
    gap: 10px;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu .nav-item {
    margin: 10px 0;
  }
}


  /* Hamburger Menu */
  .hamburger {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    margin-left: auto;
    gap: 5px;
  }

  .hamburger div {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease;
  }
  

  /* Hero Section */
  .hero {
    text-align: center;
    background: linear-gradient(to right, #1c77ff, #0dff52);
    padding: 3rem 2rem 1rem;
  }

  .hero h1 {
    font-size: 2.5rem;
    color: #222;
  }

  .hero p {
    color: #555;
    max-width: 600px;
    margin: 1rem auto 0;
    font-size: 1.1rem;
  }

  /* Upload Box */
  .upload-box {
    background: #fff;
    border: 2px dashed #ccc;
    border-radius: 12px;
    padding: 2.5rem;
    max-width: 550px;
    margin: 2rem auto;
    text-align: center;
    transition: border-color 0.3s;
  }

  .upload-box:hover {
    border-color: #ff595e;
  }

  .upload-box button {
    background: #ff595e;
    color: #fff;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    margin-top: 1rem;
    cursor: pointer;
    transition: background 0.3s;
  }

  .upload-box button:hover {
    background: #e14b51;
  }

  .upload-note {
    font-size: 0.9rem;
    color: #888;
    margin-top: 1rem;
  }

  /* Format Options / Compression Settings */
  .format-options {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
  }

  .format-options button {
    border: 1px solid #ccc;
    background: #f9f9f9;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .format-options button:hover {
    background: #ffe9ea;
    border-color: #ff595e;
  }

  /* Download Button */
  .download-btn {
    text-align: center;
    margin-top: 2rem;
  }

  .download-btn button {
    background: #222;
    color: #fff;
    padding: 0.9rem 2.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
    margin-bottom: 40px;
  }

  .download-btn button:hover {
    background: #444;
  }

/* Other Tools */
.other-tools {
  background-color: #1e1e1e; /* dark grey */
  padding: 60px 20px;
  max-width: 100%;
  margin: auto;
  color: white;
}

.tool {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 60px;
  gap: 40px;
}

.tool.reverse {
  flex-direction: row-reverse;
}

.tool-img img {
  width: 100%;
  max-width: 700px;
  height: auto;
  border-radius: 30px;
}

.tool-text {
  max-width: 500px;
}

.tool-text h3 {
  font-size: 24px;
  margin-bottom: 10px;
}

.tool-text p {
  font-size: 16px;
  color: #555;
  margin-bottom: 15px;
}

.tool-text a {
  display: inline-block;
  padding: 10px 20px;
  background: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 30px;
  transition: background 0.8s ease;
}

.tool-text a:hover {
  background: #0056cc;
}

footer {
  text-align: center;
  padding: 20px;
  background: #171717;
  color: #555;
  font-size: 14px;
}

.footer-legal {
  margin-left: 15px;
  color: #0077ff;
  text-decoration: none;
  font-weight: 600;
}

.footer-legal:hover {
  text-decoration: underline;
}
  /* Preview Box */
  .preview-box {
    margin-top: 15px;
    display: none;
    text-align: center;
  }

  .preview-box img {
    max-width: 100%;
    border-radius: 10px;
    border: 2px solid #ddd;
    height: auto;
  }

  /* Loading Animation */
  .loading {
    display: none;
    margin-top: 15px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
  }

  .loading::after {
    content: "⏳";
    display: inline-block;
    margin-left: 8px;
    animation: spin 1s linear infinite;
  }

  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }

  /* 🔄 Simple converting animation */
.loading {
  display: none;
  margin-top: 15px;
  font-size: 16px;
  font-weight: bold;
  color: #333;
}
.loading::after {
  content: "⏳";
  display: inline-block;
  margin-left: 8px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 📷 Preview */
.preview-box {
  margin-top: 15px;
  display: none;
  text-align: center;
}
.preview-box img {
  max-width: 300px;
  border-radius: 10px;
  border: 2px solid #ddd;
  width: 100%;
  height: auto;
}

/* 🎨 Format button styles */
.format-options button {
  padding: 10px 18px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #f8f8f8;
  cursor: pointer;
  transition: all 0.2s ease;
  margin: 5px;
}
.format-options button:hover {
  background: #eaeaea;
}
.format-options button.active {
  background: #4caf50;
  color: #fff;
  border-color: #4caf50;
  font-weight: bold;
}

/* 🟢 Hamburger menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  margin-left: auto;
  gap: 5px;
}
.hamburger div {
  width: 25px;
  height: 3px;
  background-color: #333;
  transition: all 0.3s ease;
}

@media (max-width: 1024px) {
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    right: 20px;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    width: 220px;
  }
  .nav-menu.active {
    display: flex;
  }
  .hamburger {
    display: flex;
  }
  .hero h1 { font-size: 24px; }
  .hero p { font-size: 14px; }
  .format-options button {
    padding: 8px 12px;
    font-size: 14px;
  }
  .preview-box img {
    max-width: 100%;
  }
  .other-tools .tool img {
    max-width: 100%;
    height: auto;
  }
}

/* ⭐ Top Banner Ad */
.banner-ad {
  max-width: 900px;
  margin: 25px auto;
  text-align: center;
}

/* ⭐ Page Wrapper for Side Ads Around Tool (Balanced Layout) */
.tools-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 20px 10px;
}

.side-ad-vertical {
  width: 160px;
  max-width: 100%;
}

@media (max-width: 1024px) {
  .side-ad-vertical {
    display: none;
  }
}

.converter-wrapper {
  width: 100%;
  max-width: 700px;
}

/* BOTTOM STICKY AD */
.bottom-sticky-ad {
  position: fixed;
  bottom: -100px; /* start hidden */
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  background: white;
  padding: 10px;
  display: block; /* keep it block; we control visibility with animation */
  z-index: 9999;
  box-shadow: 0 -3px 12px rgba(0, 0, 0, 0.25);
  border-radius: 18px;
  opacity: 0;
  animation: slideUp 0.8s ease-out forwards;
}

/* SLIDE UP ANIMATION */
@keyframes slideUp {
  0% {
    bottom: -100px;
    opacity: 0;
  }
  100% {
    bottom: 15px;
    opacity: 1;
  }
}

.close-sticky {
  position: absolute;
  top: -10px;
  right: -10px;
  background: #000;
  color: #fff;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  line-height: 24px;
  text-align: center;
  z-index: 99999;
  opacity: 0.8;
}

.close-sticky:hover {
  opacity: 1;
}

/* MOBILE RESPONSIVE */
@media(max-width: 600px) {
  .bottom-sticky-ad {
    width: 90%;
  }
}

/* Normalize ad alignment */
.adsbygoogle {
  margin: 0 auto;
}

  /* Responsive */
  @media (max-width: 768px) {
    .nav-menu { display: none; flex-direction: column; gap: 10px; margin-top: 10px; }
    .nav-menu.active { display: flex; }
    .hamburger { display: flex; }
    .hero h1 { font-size: 24px; }
    .hero p { font-size: 14px; }
    .format-options button { padding: 8px 12px; font-size: 14px; }
    .other-tools .tool { flex-direction: column; }
    .other-tools .tool.reverse { flex-direction: column; }
    .tool-img img { width: 100%; height: auto; max-width: 100%; }
  }