:root {
  --primary: #4b1829;
  --secondary: #f2a43d;
  --light: #fffaf6;
  --dark: #1e1e1e;
}

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

body {
  background: var(--light);
  color: var(--dark);
  overflow-x: hidden;
}

.logo {
  width: 50px;
  height: auto;
  border-radius: 50%;
  margin-right: -100px;
}

header {
  position: sticky;
  top: 0;
  width: 100%;
  padding: 20px 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(75, 24, 41, 0.95);
  backdrop-filter: blur(6px);
  z-index: 1000;
}

header h1 {
  color: var(--secondary);
  font-size: 24px;
}

.logo-container {
  width: 26%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav a {
  color: #fff;
  margin-left: 30px;
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  color: var(--secondary);
}

section {
  padding: 120px 80px;
}

.hero {
  padding-top: 120px;
  padding-bottom: 80px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 60px;
  background: linear-gradient(135deg, var(--primary), #6a243c);
  color: #fff;
}


.hero-image {
  width: 100%;
  border-radius: 20px;
}

.hero h2 {
  font-size: 48px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 18px;
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  padding: 14px 34px;
  background: var(--secondary);
  color: var(--primary);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.btn:hover {
  transform: translateY(-4px);
}

.image-placeholder {
  width: 100%;
  height: 380px;
  border: 2px dashed rgba(255, 255, 255, 0.6);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.hero-slider {
  width: 420px;
  justify-self: end;
  position: relative;
  overflow: hidden;
}

.hero-slide {
  width: 100%;
  border-radius: 20px;
  position: absolute;
  top: 0;
  left: 0;
  transform: translateX(100%);
  transition: transform 0.9s ease;
}

.hero-slide.active {
  position: relative;
  transform: translateX(0);
  z-index: 2;
}

.hero-slide.prev {
  transform: translateX(-100%);
  z-index: 1;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about h3,
.program h3 {
  font-size: 36px;
  color: var(--primary);
}

.program {
  text-align: center;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.program-card {
  background: #fff;
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.cta {
  background: linear-gradient(135deg, var(--primary), #6a243c);
  color: #fff;
  text-align: center;
  border-radius: 40px;
  margin: 80px;
}

.visi-misi {
  background: #fff;
  padding: 120px 80px;
}

.vm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 40px;
}

.visi-misi h4 {
  color: var(--primary);
  margin-bottom: 15px;
}

.visi-misi ul {
  padding-left: 20px;
}

.visi-misi li {
  margin-bottom: 10px;
}

.alumni {
  padding: 120px 80px;
  text-align: center;
  background: #fff;
}

.alumni h3 {
  font-size: 36px;
  color: var(--primary);
  margin-bottom: 50px;
}

.alumni-slider {
  overflow: hidden;
  position: relative;
}

.alumni-track {
  display: flex;
  gap: 30px;
  transition: transform 0.8s cubic-bezier(.77, 0, .18, 1);
  will-change: transform;
}

.alumni-card {
  flex: 0 0 auto;
  min-width: 340px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.alumni-card img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
}

.kontak {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 80px;
}

.kontak a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
}

footer {
  background: var(--primary);
  color: #fff;
  padding: 40px 80px;
  text-align: center;
}

@media(max-width: 900px) {

  header,
  section {
    padding: 20px 40px;
  }

  .hero,
  .about {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cta {
    margin: 40px;
  }
}

/*Responsive Design

/* =========================
   TABLET
========================= */
@media (max-width: 1024px) {

  header {
    padding: 20px 40px;
  }

  header h1 {
    font-size: 15px;
  }

  section {
    padding: 100px 40px;
  }

  .logo-container {
    width: auto;
    gap: 120px;
  }

  .hero {
    grid-template-columns: 1fr 380px;
    gap: 40px;
  }

  .hero-slider {
    width: 380px;
  }

  .hero h2 {
    font-size: 40px;
  }

  .about {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .vm-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

}

.alumni-card {
  min-width: 300px;
}

.alumni-card img {
  height: 420px;
}

/* =========================
   MOBILE
========================= */
@media (max-width: 768px) {

  .logo-container {
    width: auto;
    gap: 200px;
  }

  header {
    padding: 16px 20px;
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  header h1 {
    font-size: 15px;
  }

  nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  nav a {
    margin-left: 0;
    font-size: 14px;
  }

  section {
    padding: 80px 20px;
  }

  /* HERO MOBILE */
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
    padding-top: 140px;
  }

  .hero-slider {
    width: 100%;
    max-width: 360px;
    margin: auto;
  }

  .hero h2 {
    font-size: 32px;
    line-height: 1.2;
  }

  .hero p {
    font-size: 16px;
  }

  /* ABOUT MOBILE */
  .about {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about img {
    max-width: 420px;
    margin: auto;
  }

  /* PROGRAM MOBILE */
  .program h3 {
    font-size: 28px;
  }

  /* VISI MISI MOBILE */
  .vm-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }

  /* CTA */
  .cta {
    margin: 40px 20px;
    border-radius: 25px;
  }

  .alumni {
    padding: 80px 20px;
  }

  .alumni-card {
    min-width: 260px;
  }

  .alumni-card img {
    height: 360px;
  }
  
  .alumni-track{
    gap:20px;
    padding:0 20px;
  }

  .alumni-card{
    min-width:80%;
    margin:auto;
  }

  /* KONTAK */
  .kontak {
    padding: 60px 20px;
    font-size: 15px;
  }

  footer {
    padding: 30px 20px;
    font-size: 14px;
  }
}