* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #ffffff;
}

/* NAVBAR (Glass Style) */
.navbar {
  position: fixed;
  width: 100%;
  top: 20px;
  display: flex;
  justify-content: center;
  z-index: 1000;
}

.nav-container {
  width: 90%;
  max-width: 1200px;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 12px 25px;

  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(15px);

  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.logo {
  font-weight: 700;
}

.nav-links a {
  margin-left: 20px;
  text-decoration: none;
  color: black;
}

.hamburger {
  display: none;
  font-size: 22px;
  cursor: pointer;
}

/* HERO */
.hero {
  padding: 160px 20px 80px;
  text-align: center;

  background: linear-gradient(135deg, rgba(40,95,137,0.08), transparent);
}

.hero h1 {
  font-size: 3rem;
  font-family: 'Nunito', sans-serif;
}

.hero h1 span {
  color: #285f89;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}
.hero-image img {
  max-width: 380px;
  transform: translateY(20px); /* slight drop effect */
}

@media (max-width: 768px) {
  .hero-image img {
    max-width: 280px;
  }
}

.logo img {
  height: 35px;
}
.hero p {
  margin-top: 15px;
  color: #555;
}

/* TOOLS */
.tools {
  padding: 60px 20px;
  text-align: center;
}

.tools h2 {
  font-size: 2rem;
  margin-bottom: 30px;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 20px;
}

.tool-card {
  padding: 30px;
  border-radius: 15px;
  background: white;
  text-decoration: none;
  color: black;
  transition: 0.3s;

  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.tool-card i {
  font-size: 30px;
  color: #285f89;
  margin-bottom: 10px;
}

.tool-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* MOBILE */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    right: 20px;
    background: white;
    padding: 15px;
    border-radius: 10px;
    flex-direction: column;
  }

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

  .hamburger {
    display: block;
  }

  .hero h1 {
    font-size: 2rem;
  }
}

/* DOC PREVIEW */
#docPreview {
  margin-top: 30px;
  padding: 20px;
  background: white;
  border-radius: 12px;
  max-height: 400px;
  overflow-y: auto;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
  text-align: left;
}

/* Make preview content readable */
#docPreview * {
  font-family: 'Roboto', sans-serif !important;
}

/* Convert Button */
#convertBtn {
  margin-top: 20px;
  padding: 12px 25px;
  border: none;
  background: #285f89;
  color: white;
  border-radius: 25px;
  cursor: pointer;
  transition: 0.3s;
}

#convertBtn:hover {
  background: #1f4c6d;
}

/* TOOL PAGE BASE */
.tool-page {
  padding: 150px 20px 60px;
  text-align: center;
}

.tool-container {
  max-width: 800px;
  margin: auto;
}

.tool-container h1 {
  font-size: 2.2rem;
  margin-bottom: 10px;
  font-family: 'Nunito', sans-serif;
}

.tool-container p {
  color: #666;
  margin-bottom: 30px;
}

/* DROP AREA */
.drop-area {
  border: 2px dashed #ccc;
  padding: 40px;
  border-radius: 15px;
  background: #fafafa;
  transition: 0.3s;
  cursor: pointer;
}

.drop-area:hover {
  border-color: #285f89;
  background: rgba(40,95,137,0.05);
}

.drop-area i {
  font-size: 40px;
  color: #285f89;
  margin-bottom: 10px;
}

.drop-area p {
  margin: 10px 0;
}

.drop-area button {
  margin-top: 10px;
  padding: 10px 20px;
  border: none;
  background: #285f89;
  color: white;
  border-radius: 20px;
  cursor: pointer;
}

/* ACTIVE STATE */
.drop-area.active {
  border-color: #285f89;
  background: rgba(40,95,137,0.08);
}

/* DOCUMENT PREVIEW */
#docPreview {
  margin-top: 30px;
  padding: 20px;
  background: white;
  border-radius: 15px;
  max-height: 400px;
  overflow-y: auto;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
  text-align: left;
}

/* Make doc content readable */
#docPreview * {
  font-family: 'Roboto', sans-serif !important;
  line-height: 1.5;
}

/* CONVERT BUTTON */
#convertBtn {
  margin-top: 20px;
  padding: 12px 30px;
  border: none;
  background: #285f89;
  color: white;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: 0.3s;
}

#convertBtn:hover {
  background: #1f4c6d;
}

/* MOBILE */
@media (max-width: 768px) {
  .tool-container {
    padding: 0 10px;
  }

  .tool-container h1 {
    font-size: 1.6rem;
  }

  .drop-area {
    padding: 25px;
  }

  #docPreview {
    max-height: 300px;
  }
}