body {
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  margin: 0;
  padding: 0;
  color: #1f2937;
  background: #ffffff;
}

.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 25px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(10px);
  color: white;
  z-index: 1000;
}

.nav-left {
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-right a {
  margin-left: 18px;
  color: #cbd5e1;
  font-size: 0.9rem;
}

.nav-right a:hover {
  color: white;
}

#scrollProgress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #22c55e, #3b82f6);
  z-index: 2000;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;

  background: url("../images/79102432_l.png") center center / cover no-repeat;

  z-index: 0;
  overflow: hidden;
}

/* overlay layer */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;

  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.72),
    rgba(15, 23, 42, 0.62)
  );
}

/* content always above everything */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 0 20px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  gap: 14px;
  transform: translateY(5px);
}

.hero h1 {
  font-size: 3.2rem;
  margin-bottom: 0;
  letter-spacing: -0.02em;
  color: white;
  text-shadow: 0 3px 12px rgba(0,0,0,0.7);
}

.hero h2 {
  font-size: 1.8rem;
  font-weight: 400;
  color: white;
  margin: 0;
  max-width: 750px;
}

.hero p.meta-line {
  font-size: 0.9rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 500;
  opacity: 1;
}

.hero p.meta-line.version {
  font-size: 0.9rem;
  letter-spacing: 0.2px;
  color: rgba(255, 255, 255, 0.72);
  opacity: 1;
}

.hero p.meta-line.subtle {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 400;
  opacity: 1;
}

.subline {
  font-size: 1rem;
  opacity: 0.75;
  margin-top: 10px;
}

.version {
  margin-top: 10px;
  font-size: 0.85rem;
  opacity: 0.5;
}

.download-note{
  margin-top: 18px;
  font-size: 1rem;
  font-weight: 600;
}

.cta-btn {
  margin-top: 25px;
  display: inline-block;
  background: #22c55e;
  color: white;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.2;
  letter-spacing: 0.2px;
  transition: 0.2s;
}

.meta-line {
  font-size: 0.9rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 500;
}

.meta-line.version {
  letter-spacing: 0.3px;
  opacity: 0.7;
}

.meta-line.subtle {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 400;
}

.code-signing-note {
  margin-top: 6px;
  padding: 10px 16px;
  max-width: 560px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.35);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.88rem;
  line-height: 1.45;
}

.code-signing-note strong {
  display: block;
  margin-bottom: 2px;
  color: #ffffff;
  font-weight: 600;
}

.code-signing-note span {
  color: rgba(255, 255, 255, 0.72);
}

.cta-btn:hover {
  transform: translateY(-2px);
  background: #16a34a;
}

/* CONTAINER */
section {
  max-width: 1000px;
  margin: auto;
  padding: 30px 20px;
}

h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}


/* CARD STYLE STEPS */
@media (max-width: 768px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 18px;
  transition: 0.2s;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.step-card img:hover {
  transform: scale(1.02);
}

.step-card h3 {
  margin-bottom: 5px;
}

.main-screenshot {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* FEATURES LIST */
ul {
  line-height: 1.7;
}

/* TRUST-BADGES */
.trust-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  padding: 25px 10px;
  font-size: 0.9rem;
  color: #6b7280;
}

.trust-badges div {
  background: #f3f4f6;
  padding: 8px 14px;
  border-radius: 999px;
}

/* FOOTER */
footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 20px 20px;
  margin-top: 80px;
}

.footer-inner {
  max-width: 900px;
  margin: auto;
  text-align: center;
}

.footer-links a {
  color: #94a3b8;
  margin: 0 10px;
  font-size: 0.9rem;
}

.small {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-top: 10px;
}

/* Clickable screenshots */
.step-card img {
  width: 100%;
  border-radius: 10px;
  cursor: zoom-in;
  transition: transform 0.2s ease;
}

.step-card img:hover {
  transform: scale(1.02);
}

.step-card img:hover {
  transform: scale(1.03);
}

/* Lightbox */

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 5000;

  justify-content: center;
  align-items: center;

  padding: 30px;
}

.lightbox img {
  max-width: 95%;
  max-height: 95%;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox.show {
  display: flex;
}

.video-card {
  position: relative;
  width: min(450px, calc(100vw - 40px));
  margin: 20px auto 14px;
  border-radius: 14px;
  overflow: hidden;
}

.video-card img {
  display: block;
  width: 100%;
  height: auto;
}

.video-card a {
  display: block;
  position: relative;
}

.video-play-button {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.75);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  padding-left: 5px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.video-card a:hover .video-play-button {
  transform: translate(-50%, -50%) scale(1.08);
  background: rgba(0, 0, 0, 0.9);
}

.video-links {
  text-align: center;
  margin-top: 16px;
}

#video {
  padding-bottom: 25px;
}

#how {
  padding-top: 35px;
}

@media (max-width: 600px) {
  .video-card {
    width: calc(100% - 24px);
    max-width: none;
  }
}