.slider {
    width: 100%;
    max-width: 600px;
    position: relative;
    overflow: hidden;

}

.slides {
    display: flex;
    width: 100%;
    animation: slide 9s infinite;
    margin-top: 10px;
}

.slides img {
    width: 100%;
    height: auto;
}

@keyframes slide {
    0% {
        margin-left: 0%;
    }

    25% {
        margin-left: -100%;
    }

    50% {
        margin-left: -200%;
    }

    75% {
        margin-left: -300%;
    }

    100% {
        margin-left: 0%;
    }
}
.banner{
  width: 100%;
  height: 300px;
}
.bando{
  text-align: center;
}

:root {
  --color-primary: #111827;
  --color-secondary: #6b7280;
  --color-background: #ffffff;
  --color-card-bg: #ffffff;
  --color-button-bg: #111827;
  --color-button-hover-bg: #374151;
  --border-radius: 0.75rem;
  --shadow-card: 0 1px 4px rgba(0,0,0,0.1);
  --font-family: 'Poppins', sans-serif;
  --transition-speed: 0.3s;
}

*, *::before, *::after {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: var(--font-family);
  background-color: var(--color-background);
  color: var(--color-secondary);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

h1, h2, h3 {
  margin-top: 0;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  outline-offset: 3px;
  transition: color var(--transition-speed), transform var(--transition-speed);
}
a:hover, a:focus {
  color: var(--color-button-hover-bg);
  transform: scale(1.05);
  outline: none;
}

button {
  font-family: var(--font-family);
  font-weight: 700;
  cursor: pointer;
  border: none;
  background-color: var(--color-button-bg);
  color: #fff;
  padding: 1rem 2.5rem;
  font-size: 1.25rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(17,24,39,0.2);
  transition: background-color var(--transition-speed), transform var(--transition-speed);
  user-select: none;
}
button:hover, button:focus {
  background-color: var(--color-button-hover-bg);
  transform: scale(1.05);
  outline: none;
}

.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

header {
  position: sticky;
  top: 0;
  background: green;
  border-bottom: 1px solid #e5e7eb;
  z-index: 1000;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  color:rgb(255, 255, 255);
  letter-spacing: 1px;
  user-select: none;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  font-weight: 600;
  font-size: 1rem;
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
}

.nav-links a:hover,
.nav-links a:focus {
  background-color: rgb(0, 0, 0);
  color: white;
  transform: none;
}

main {
  padding-top: 2rem;
  padding-bottom: 2rem;
}
/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 4rem 0;
}

.hero-text {
  max-width: 600px;
  background-color: rgb(255, 255, 255);
}

.hero-text h1 {
  font-size: 3.75rem;
  margin-bottom: 1rem;
  color: rgb(6, 0, 0);
}

.hero-text p {
  font-size: 1.25rem;
  color: rgb(15, 0, 0);
  margin-bottom: 2rem;
}

.hero-text button {
  font-size: 1.25rem;
  background-color: red;
}

.hero-image img {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  user-select: none;
  object-fit: cover;
  height: 350px;
}

/* Features section */
section.features {
  padding: 4rem 0;
  background-color: var(--color-card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
}

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

.feature-card {
  background: #bb00ff;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform var(--transition-speed);
  user-select: none;
}
.feature-card:hover, .feature-card:focus-within {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.10);
  outline: none;
}
.feature-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  margin-bottom: 1rem;
  border-radius: var(--border-radius);
  user-select: none;
}
.feature-title {
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
 color: #ffffff;
  user-select: text;
}
.feature-desc {
  font-size: 1rem;
  color: white;
  user-select: text;
}

/* About section */
section.about {
  padding: 4rem 0;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  color: var(--color-primary);
  user-select: text;
}
section.about h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
section.about p {
  font-size: 1.125rem;
  color: var(--color-secondary);
  line-height: 1.5;
}

/* Contact section */
section.contact {
  padding: 4rem 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-primary);
}
section.contact h2 {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
label {
  color: var(--color-primary);
  font-weight: 600;
}
input[type="text"],
input[type="email"],
textarea {
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius);
  border: 1px solid #d1d5db;
  font-size: 1rem;
  color: var(--color-primary);
  font-family: var(--font-family);
  resize: vertical;
  transition: border-color var(--transition-speed);
}
input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  border-color: var(--color-button-bg);
  outline: none;
  box-shadow: 0 0 8px rgba(17,24,39,0.3);
}
button[type="submit"] {
  width: fit-content;
  align-self: flex-start;
  background-color: red;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
  padding: 1rem 2.5rem;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(17,24,39,0.6);
  transition: background-color var(--transition-speed), transform var(--transition-speed);
  user-select: none;
}
button[type="submit"]:hover,
button[type="submit"]:focus {
  background-color: var(--color-button-hover-bg);
  transform: scale(1.05);
  outline: none;
}

/* Footer */
footer {
  background-color: #0849cd;
  color: white;
  text-align: center;
  border-top: 1px solid #e5e7eb;
  padding: 2rem 1.5rem;
  font-size: 0.9rem;
  user-select: none;
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-text h1 {
    font-size: 2.5rem;
  }
  section.features .container {
    grid-template-columns: 1fr;
  }
  section.features .feature-card {
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  section.about, section.contact {
    padding: 3rem 0;
  }
}