* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #172554;
  background: #ffffff;
  line-height: 1.6;
}

a {
  text-decoration: none;
}

/* =========================
   CONTAINER
========================= */

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* =========================
   NAVBAR
========================= */

.navbar {
  min-height: 82px;

  background: white;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 10px 6%;

  position: sticky;
  top: 0;

  z-index: 1000;

  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

/* LOGO */

.brand {
  display: flex;
  align-items: center;

  gap: 12px;

  color: #312e81;
}

.brand img {
  width: 52px;
  height: 52px;

  object-fit: contain;
}

.brand strong {
  display: block;

  font-size: 20px;

  color: #4c1d95;
}

.brand span {
  display: block;

  font-size: 12px;

  color: #3b82f6;
}

/* MENU */

.nav-menu {
  list-style: none;

  display: flex;

  gap: 30px;
}

.nav-menu a {
  color: #1e293b;

  font-weight: 600;

  transition: 0.3s;
}

.nav-menu a:hover {
  color: #6d28d9;
}

/* =========================
   HERO
========================= */

.hero {
  min-height: 600px;

  display: flex;
  align-items: center;

  background:
    radial-gradient(
      circle at top right,
      rgba(96, 165, 250, 0.35),
      transparent 35%
    ),
    linear-gradient(135deg, #312e81, #1d4ed8);

  color: white;

  padding: 80px 8%;
}

.hero-content {
  max-width: 850px;
}

.hero-label {
  color: #bfdbfe;

  font-weight: bold;

  letter-spacing: 3px;

  margin-bottom: 15px;
}

.hero h1 {
  font-size: 70px;

  line-height: 1.1;

  margin-bottom: 15px;
}

.hero h2 {
  font-size: 25px;

  font-weight: 500;

  color: #dbeafe;

  margin-bottom: 25px;
}

.hero-description {
  max-width: 700px;

  font-size: 18px;

  color: #e0e7ff;

  margin-bottom: 35px;
}

/* BUTTON */

.hero-buttons {
  display: flex;

  gap: 15px;
}

.button {
  display: inline-block;

  padding: 12px 25px;

  border-radius: 8px;

  font-weight: bold;

  transition: 0.3s;
}

.button.primary {
  background: white;

  color: #4338ca;
}

.button.primary:hover {
  transform: translateY(-3px);

  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.button.secondary {
  border: 1px solid #bfdbfe;

  color: white;
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* =========================
   SECTION
========================= */

section {
  padding: 90px 0;
}

.section-heading {
  margin-bottom: 45px;
}

.section-heading.center {
  text-align: center;
}

.section-label {
  color: #6366f1;

  font-size: 14px;

  font-weight: bold;

  letter-spacing: 2px;

  margin-bottom: 8px;
}

.section-heading h2 {
  font-size: 38px;

  color: #1e1b4b;
}

.section-heading p:not(.section-label) {
  color: #64748b;

  margin-top: 10px;
}

/* =========================
   PROFIL
========================= */

.profil {
  background: white;
}

.profil-content {
  display: grid;

  grid-template-columns: 1.5fr 1fr;

  gap: 60px;

  align-items: start;
}

.profil-text p {
  color: #64748b;

  margin-bottom: 18px;

  font-size: 16px;
}

/* INFO BOX */

.profil-info {
  display: flex;

  flex-direction: column;

  gap: 15px;
}

.info-box {
  padding: 20px;

  border-radius: 12px;

  background: #f5f3ff;

  border-left: 5px solid #6366f1;
}

.info-box span {
  display: block;

  font-size: 12px;

  color: #6366f1;

  font-weight: bold;

  margin-bottom: 5px;
}

.info-box strong {
  color: #312e81;

  font-size: 17px;
}

/* =========================
   STRUKTUR JURUSAN
========================= */

.struktur {
  background: #ffffff;
}

.struktur-table {
  width: 100%;

  border: 1px solid #e2e8f0;

  border-radius: 12px;

  overflow: hidden;

  box-shadow: 0 8px 25px rgba(49, 46, 129, 0.06);
}

.struktur-row {
  display: grid;

  grid-template-columns: 40% 60%;

  min-height: 75px;

  border-bottom: 1px solid #e2e8f0;
}

.struktur-row:last-child {
  border-bottom: none;
}

.struktur-title {
  display: flex;

  align-items: center;

  padding: 20px;

  background: #f8faff;

  color: #1e1b4b;

  font-weight: bold;
}

.struktur-value {
  display: flex;

  align-items: center;

  padding: 20px;

  color: #475569;

  border-left: 1px solid #e2e8f0;
}

/* =========================
   KEUNGGULAN
========================= */

.keunggulan {
  background: #f8faff;
}

.cards {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 25px;
}

.card {
  background: white;

  padding: 35px;

  border-radius: 16px;

  border: 1px solid #e0e7ff;

  box-shadow: 0 8px 25px rgba(49, 46, 129, 0.08);

  transition: 0.3s;
}

.card:hover {
  transform: translateY(-8px);

  box-shadow: 0 15px 35px rgba(49, 46, 129, 0.15);
}

.card-icon {
  width: 65px;
  height: 65px;

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

  background: #ede9fe;

  border-radius: 15px;

  font-size: 32px;

  margin-bottom: 20px;
}

.card h3 {
  color: #312e81;

  font-size: 21px;

  margin-bottom: 12px;
}

.card p {
  color: #64748b;
}

/* =========================
   KAMPUS
========================= */

.kampus {
  background: linear-gradient(135deg, #eef2ff, #eff6ff);
}

.kampus-content {
  display: grid;

  grid-template-columns: 1.5fr 1fr;

  gap: 50px;

  align-items: center;
}

.kampus h2 {
  color: #312e81;

  font-size: 38px;

  margin-bottom: 15px;
}

.kampus-content > div:first-child > p:not(.section-label) {
  color: #64748b;

  margin-bottom: 25px;

  max-width: 650px;
}

.address {
  background: white;

  padding: 30px;

  border-radius: 15px;

  box-shadow: 0 8px 25px rgba(49, 46, 129, 0.08);
}

.address h3 {
  color: #312e81;

  margin-bottom: 10px;
}

.address p {
  color: #64748b;
}

/* =========================
   KONTAK
========================= */

.kontak {
  background: white;
}

.social-cards {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 20px;
}

.social-card {
  display: flex;

  align-items: center;

  gap: 15px;

  padding: 25px;

  background: #f8fafc;

  border: 1px solid #e2e8f0;

  border-radius: 15px;

  transition: 0.3s;

  color: inherit;
}

.social-card:hover {
  transform: translateY(-5px);

  border-color: #818cf8;

  background: #eef2ff;

  box-shadow: 0 10px 25px rgba(49, 46, 129, 0.1);
}

/* =========================
   ICON INSTAGRAM
========================= */

.instagram-icon {
  width: 60px;
  height: 60px;

  min-width: 60px;

  display: flex;

  align-items: center;

  justify-content: center;

  border-radius: 15px;

  color: white;

  background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
}

.instagram-icon svg {
  width: 32px;
  height: 32px;
}

/* =========================
   ICON EMAIL
========================= */

.email-icon {
  width: 60px;
  height: 60px;

  min-width: 60px;

  display: flex;

  align-items: center;

  justify-content: center;

  border-radius: 15px;

  color: white;

  background: linear-gradient(135deg, #4f46e5, #2563eb);
}

.email-icon span {
  font-size: 30px;
}

/* =========================
   SOCIAL TEXT
========================= */

.social-card h3 {
  color: #312e81;

  margin-bottom: 4px;

  font-size: 17px;
}

.social-card p {
  color: #64748b;

  font-size: 13px;
}

/* =========================
   FOOTER
========================= */

footer {
  background: #1e1b4b;

  color: white;

  text-align: center;

  padding: 55px 20px;
}

.footer-content img {
  width: 65px;

  margin-bottom: 15px;
}

.footer-content h3 {
  font-size: 24px;

  margin-bottom: 5px;
}

.footer-content p {
  color: #c7d2fe;
}

.footer-line {
  width: 80px;

  height: 2px;

  background: #60a5fa;

  margin: 25px auto;
}

.copyright {
  font-size: 13px;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {
  .social-cards {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    height: auto;

    flex-direction: column;

    gap: 12px;

    padding: 15px;
  }

  .nav-menu {
    gap: 15px;

    flex-wrap: wrap;

    justify-content: center;
  }

  .hero {
    text-align: center;

    padding: 80px 20px;
  }

  .hero h1 {
    font-size: 45px;
  }

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

  .hero-buttons {
    justify-content: center;

    flex-wrap: wrap;
  }

  .profil-content,
  .kampus-content {
    grid-template-columns: 1fr;
  }

  .struktur-row {
    grid-template-columns: 1fr;
  }

  .struktur-value {
    border-left: none;

    border-top: 1px solid #e2e8f0;
  }

  .section-heading h2,
  .kampus h2 {
    font-size: 30px;
  }
}