/* ===============================
   Website Header (Modern 2026)
================================ */

#websiteHeader {

  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 50px;

  display: flex;
  align-items: center;

  padding: 0 40px;
  z-index: 999;

  transition:
    background 0.35s ease,
    backdrop-filter 0.35s ease,
    box-shadow 0.35s ease,
    border 0.35s ease;

  /* transparent state */

  background: transparent;
  border-bottom: 1px solid transparent;
}


/* ===============================
   Scrolled State
================================ */

#websiteHeader.scrolled {

  background: rgba(255, 255, 255, 0.75);

  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);

  border-bottom: 1px solid rgba(255, 255, 255, 0.4);

  box-shadow:
    0 8px 30px rgba(0, 0, 0, 0.08),
    0 1px 0 rgba(255, 255, 255, 0.6) inset;

}

/* ===============================
   Premium top gradient light
================================ */

#websiteHeader.scrolled::before {

  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;

  background: linear-gradient(90deg,
      transparent,
      rgba(99, 102, 241, 0.4),
      rgba(168, 85, 247, 0.4),
      transparent);

  opacity: 0.6;
}

/* ===== Global Styles ===== */
body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: #f3f4f6;
  /* modern soft gray */
  color: #1f1f23;
  margin: 0;
  padding: 0;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-weight: 700;
  color: #111115;
}

p {
  color: #4b4b50;
  font-size: 1rem;
}

/* ===== Header ===== */
header {
  background: linear-gradient(135deg, #dfe9f3, #ffffff, #cfd9df);
  color: white;
  padding: 70px 20px;
  text-align: center;
  border-radius: 0 0 50px 50px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.18);
  animation: fadeDown 1.2s ease;
}

header h1 {
  font-size: 3.2rem;
  margin-bottom: 15px;
}

header p {
  font-size: 1.25rem;
  margin-bottom: 30px;
  opacity: 0.95;
}

/* ===== CTA Button ===== */
.cta-button {
  background: linear-gradient(135deg, #5f57d5, #5046d6);
  color: white;
  padding: 14px 40px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.35s ease;
}

.cta-button:hover {
  background: linear-gradient(135deg, #5046d6, #7f5af0);
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 8px 20px rgba(80, 70, 214, 0.4);
}

/* ===== Features Section ===== */
.feature-item {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  padding: 35px;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.35s ease;
}

.feature-item h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: #1f1f23;
}

.feature-item p {
  font-size: 1rem;
  color: #555;
}

.feature-item:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.14);
}

/* ===== Upload Area ===== */
.upload-area {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  padding: 45px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  margin-bottom: 50px;
}

.upload-area h2 {
  color: #7f5af0;
  font-size: 2rem;
  margin-bottom: 25px;
}

.upload-area .upload-button {
  background: linear-gradient(135deg, #28a745, #21b35d);
  color: white;
  padding: 14px 40px;
  border-radius: 50px;
  font-size: 1.1rem;
  text-decoration: none;
  display: inline-block;
  transition: all 0.35s ease;
}

.upload-area .upload-button:hover {
  background: linear-gradient(135deg, #21b35d, #1e9b4f);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 6px 18px rgba(33, 179, 93, 0.3);
}

/* ===== Sections ===== */
.section {
  margin-bottom: 70px;
}

.section img {
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.section h2 {
  font-size: 2.2rem;
  margin-bottom: 22px;
  font-weight: 600;
  color: #1f1f23;
}

/* ===== FAQ Section ===== */
.faq-container {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  padding: 45px;
  border-radius: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  margin: 70px auto;
  max-width: 900px;
}

.faq-container h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 35px;
  color: #1f1f23;
}

.faq-question {
  background-color: #f0f4ff;
  border: none;
  padding: 18px;
  width: 100%;
  text-align: left;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 12px;
  margin-bottom: 12px;
  transition: all 0.3s ease;
  color: #1f1f23;
}

.faq-question:hover {
  background-color: #dce4ff;
}

.faq-answer {
  display: none;
  padding: 16px;
  background-color: #f9fafc;
  border-radius: 12px;
  margin-top: 6px;
  font-size: 0.95rem;
  color: #4b4b50;
}

/* ===== Footer ===== */
footer {
  background: linear-gradient(135deg, #ffffff, #eef1f7);
  color: #333;
  padding: 50px 30px;
  border-radius: 50px 50px 0 0;
  font-size: 0.95rem;
  box-shadow: 0 -6px 25px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeUp 1.2s ease;
}

/* ===== Scroll Animations ===== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Keyframes ===== */
@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}