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

body {
  background: #111827;
  color: #ffffff;
  min-height: 100vh;
  overflow-x: hidden;
}


/* HERO */
.hero {
display: flex;
flex-direction: column;
align-items: center;
padding: 6rem 2rem;
background-color: transparent;
color: white;
text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  background-color: white;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
}

.hero h1 {
font-size: 2.5rem;
margin-bottom: 1rem;
}

.hero p {
font-size: 1.1rem;
margin-bottom: 2rem;
max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
padding: 0.8rem 1.5rem;
border: none;
border-radius: 25px;
font-weight: 600;
cursor: pointer;
transition: all 0.3s;
}

/* BUTTONS */
.btn {
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: 0.3s ease;
  font-size: 1rem;
}

.btn-primary {
background-color: white;
color: #3b82f6;
}

.btn-primary:hover {
  transform: translateY(-3px);
  background-color: #e0e7ff;
}

.btn-secondary {
background-color: transparent;
border: 2px solid white;
color: white;
}

.btn-secondary:hover {
background-color: rgba(255,255,255,0.1);
}

/* SECTION TITLES */
.section-title {
  text-align: center;
  text-justify: center;
  font-size: 2.3rem;
  margin-bottom: 1rem;
  font-weight: 700;
  background-color: white;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

a{ text-decoration: none;}
/* PLATFORM GRID */
.platform-grid {
  display: flex;             /* flex row */
  flex-wrap: wrap;           /* wrap to next line if not enough space */
  gap: 2rem;                 /* spacing between cards */
  justify-content: center;   /* center the row */
}

.platform-card {
  display: flex;            /* enable flex layout */
  flex-direction: column;   /* stack items vertically */
  justify-content: space-between; /* add space between top and bottom items */
  align-items: center;      /* center horizontally */
  flex: 1 1 300px;          /* responsive width */
  max-width: 400px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  backdrop-filter: blur(15px);
  transition: 0.3s ease;
}

.platform-card > * {
  margin-bottom: 1.5rem;  /* space between all children */
}


.platform-card:hover {
  transform: translateY(-8px);
  border-color: #3b82f6;
  box-shadow: 0 15px 40px rgba(59,130,246,0.2);
}

.platform-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  color: #3b82f6;

}

.platform-card p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 1rem;
}

.platform-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1rem;
}

.download-btn {
  position: relative;
  width: 100%;
  padding: 1rem 1.5rem;
  border-radius: 16px;
  border: none;
  cursor: pointer;
  overflow: hidden;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;

  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.5px;
  color: white;

  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  background-size: 200% 200%;

  box-shadow: 
    0 10px 25px rgba(59, 130, 246, 0.3),
    0 4px 10px rgba(0, 0, 0, 0.15);

  transition: 
    transform 0.3s ease,
    box-shadow 0.3s ease,
    background-position 0.5s ease;
}

/* Hover effect */
.download-btn:hover {
  background-position: right center;

  box-shadow: 
    0 15px 35px rgba(139, 92, 246, 0.4),
    0 6px 15px rgba(0, 0, 0, 0.2);
}

/* Active click effect */
.download-btn:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 
    0 5px 15px rgba(59, 130, 246, 0.25);
}

/* Shine sweep animation */
.download-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    120deg,
    rgba(255,255,255,0.2) 0%,
    rgba(255,255,255,0.6) 50%,
    rgba(255,255,255,0.2) 100%
  );
  transform: skewX(-25deg);
  transition: 0.7s;
}

.download-btn:hover::before {
  left: 125%;
}

/* Focus accessibility */
.download-btn:focus {
  outline: none;
  box-shadow: 
    0 0 0 3px rgba(139, 92, 246, 0.4),
    0 10px 25px rgba(59, 130, 246, 0.3);
}

/* Optional: Glass effect mode */
body.dark-mode .download-btn {
  backdrop-filter: blur(10px);
}

.install-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1rem;
}

.install-buttons .download-btn {
  font-size: 0.9rem;
  padding: 0.8rem;
}
/* FEATURES */
.features-section {
  padding: 4rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 1.5rem;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #8b5cf6;
}

.feature-item p {
  color:white;
}

/* STATS */
.stats-section {
  padding: 4rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-item {
  background: rgba(255,255,255,0.05);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: #3b82f6;
}

.stat-label {
  color: rgba(255,255,255,0.7);
}

/* REQUIREMENTS */
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.req-card {
  background: rgba(255,255,255,0.05);
  border-radius: 15px;
  padding: 1.5rem;
}

.req-card h4 {
  color: #3b82f6;
  margin-bottom: 1rem;
}

.req-card li {
  color: rgba(255,255,255,0.8);
  margin-bottom: 0.5rem;
  list-style: none;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.3rem;
  }

  .hero {
    padding: 6rem 0 3rem;
  }
}