/* style.css */

/* General Styles */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #0f1122;
  color: #ffffff;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  margin: 0 0 1rem;
}

ul {
  list-style: none;
  padding: 0;
}

/* Feature Icon Styling */
.feature-icon {
  margin-right: 0.5rem;
  font-size: 1.2em;
  vertical-align: middle;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #0f1122;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
}

.logo-img {
  height: 32px;
  vertical-align: middle;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: white;
}

/* Nav Links */
.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.signup-btn,
.cta-btn-nav {
  background-color: #2e2f41;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.signup-btn:hover,
.cta-btn-nav:hover {
  background-color: #1e40af;
  transform: scale(1.05);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 6rem 2rem 4rem;
  background-color: #0f1122;
  background-image: url("assets/vren_hero_section_background.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero h1 {
  font-size: 3rem;
  font-weight: bold;
}

.hero p {
  font-size: 1.2rem;
  margin: 1rem 0 2rem;
}

.early-access-note {
  font-size: 0.95rem;
  color: #a3a3a3;
  margin-top: 1rem;
}

/* CTA Buttons */
.cta-btn {
  background-color: #2563eb;
  color: white;
  padding: 0.9rem 1.6rem;
  border-radius: 10px;
  font-weight: bold;
  transition: background-color 0.3s, transform 0.3s;
}

.cta-btn:hover {
  background-color: #1d4ed8;
  transform: scale(1.05);
}

/* Early Access Section */
.early-access {
  padding: 4rem 2rem;
  margin-top: 3rem;
  text-align: center;
  background: linear-gradient(180deg, #121533, #1b1e4d);
  line-height: 1.7;
}

.early-access p {
  max-width: 700px;
  margin: 0 auto 1.5rem;
  font-size: 1rem;
  color: #dddddd;
}

.early-access .cta-btn {
  font-size: 1rem;
  margin-top: 2rem;
}

.access-cta {
  margin-top: 2.5rem;
  text-align: center;
}

.access-cta .cta-btn {
  display: block;
  width: fit-content;
  margin: 0 auto 0.5rem auto;
}

.alt-contact {
  margin-top: 0;
  font-size: 0.95rem;
  color: #a3a3a3;
  display: block;
}

.alt-contact a {
  color: #60a5fa;
  text-decoration: underline;
}

/* Features */
.features {
  padding: 4rem 2rem;
  text-align: center;
}

.feature-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-top: 2rem;
}

.feature-item {
  background-color: #1a1c33;
  padding: 2rem;
  border-radius: 12px;
  transition: transform 0.3s;
}

.feature-item:hover {
  transform: translateY(-5px);
}

/* How it Works */
.how-it-works {
  padding: 4rem 2rem;
  text-align: center;
}

.steps {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-top: 2rem;
}

.step {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border-radius: 12px;
  transition: transform 0.3s ease;
  background-color: #1a1c33;
}

.step:hover {
  transform: translateY(-5px);
}

/* Step backgrounds */
.step.laptop-bg {
  background:
    linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)),
    url("assets/laptop.png") center/cover no-repeat;
}

.step.certified-bg {
  background:
    linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)),
    url("assets/certified.png") center 75%/cover no-repeat;
}

.step.paper-bg {
  background:
    linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)),
    url("assets/paperCertificate.png") center 40%/cover no-repeat;
}

.step > h3,
.step > p {
  position: relative;
  z-index: 1;
}

/* More Features */
.more-features {
  padding: 4rem 2rem;
  text-align: center;
  background-color: #0f1122;
}

.more-features h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: #ffffff;
}

.more-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 2rem;
}

.more-features .feature-item {
  background-color: #262949;
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid #33365a;
  transition: transform 0.3s, box-shadow 0.3s;
}

.more-features .feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.more-features .feature-item h3 {
  display: flex;
  align-items: center;
  justify-content: center;
}

.more-features .feature-item p {
  margin-top: 0.5rem;
  color: #c0c4e3;
  font-size: 0.95rem;
}

/* Signature, QR & AI backgrounds */
.feature-item.signature-bg,
.feature-item.qr-bg,
.feature-item.ai-bg {
  background-size: 120% auto;
  background-position: center center;
  background-repeat: no-repeat;
}

.feature-item.signature-bg {
  background:
    linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
    url("assets/signature.png") center/cover no-repeat;
}

.feature-item.qr-bg {
  background:
    linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
    url("assets/qrcode.png") center/cover no-repeat;
}

.feature-item.ai-bg {
  background:
    linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
    url("assets/aiPaper.png") center/cover no-repeat;
}

.feature-item.signature-bg h3,
.feature-item.signature-bg p,
.feature-item.qr-bg h3,
.feature-item.qr-bg p,
.feature-item.ai-bg h3,
.feature-item.ai-bg p {
  position: relative;
  z-index: 1;
  color: #ffffff;
}

/* FAQ */
.faq {
  padding: 4rem 2rem;
  background-color: #101224;
  max-width: 900px;
  margin: 0 auto;
}

.faq h2 {
  text-align: center;
}

.faq-item {
  margin-top: 2rem;
  border-bottom: 1px solid #2a2c40;
  padding-bottom: 1.5rem;
}

.faq-item h3 {
  font-size: 1.2rem;
  color: #ffffff;
}

.faq-item p {
  color: #cccccc;
  margin-top: 0.5rem;
}

/* Footer */
.footer {
  background-color: #0f1122;
  padding: 2rem;
  text-align: center;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

/* Animation */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-section {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive & Mobile Nav */
@media (max-width: 767px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #0f1122;
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav-links.open { max-height: 400px; }
  .nav-links li { text-align: center; padding: 1rem 0; }
}

@media (min-width: 600px) {
  .hero h1 { font-size: 2.5rem; }
  .cta-btn { padding: 0.8rem 1.4rem; }
}

@media (min-width: 1024px) {
  .hero { padding: 8rem 4rem 6rem; }
  .hero h1 { font-size: 3.5rem; }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}