:root {
  --primary: #193662;
  --secondary: #4f8fd8;
  --bg: #f5f8fc;
  --text: #333;
}

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

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 40px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(180deg, #dbe9ff, #f9fbff);
  border-radius: 20px;
  padding: 60px 30px;
  text-align: center;
}

.hero h1 {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 12px;
}

.hero p {
  font-size: 16px;
  color: #555;
  max-width: 700px;
  margin: auto;
}

/* Tombol Back */
.back-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: #193662;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 12px;
  border-radius: 10px;
  transition: all 0.25s ease;
  margin-bottom: 24px;
  width: fit-content;
}

/* icon size */
.back-button i {
  width: 18px;
  height: 18px;
}

/* hover imut */
.back-button:hover {
  background-color: rgba(25, 54, 98, 0.08);
  transform: translateX(-3px);
}

.back-button i {
  width: 20px;
  height: 20px; /* icon diperkecil */
}

/* Hover efek imut */
.back-button:hover {
  color: #dc710c;
  background-color: rgba(220, 113, 12, 0.1);
}

/* ===== CERTIFICATION CARDS ===== */
.certifications {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 50px;
}

.card {
  background: #fff;
  border-radius: 16px;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

.card img {
  width: 48px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 8px;
}

.card p {
  font-size: 14px;
  color: #666;
}

.warranty-check {
  text-align: center;
  margin: 50px auto 30px;
}

.warranty-text {
  font-size: 30px;
  color: #444;
  margin-bottom: 14px;
}

.warranty-btn {
  display: inline-block;
  padding: 10px 26px;
  border-radius: 30px;
  background: transparent;
  color: #193662;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: 2px solid #193662;
  transition: all 0.3s ease;
}

.warranty-btn:hover {
  background: #193662;
  color: #ffffff;
}

/* ===== CTA ===== */
.cta {
  margin-top: auto;
  background: var(--primary);
  border-radius: 18px;
  padding: 40px 20px;
  text-align: center;
  color: #fff;
}

.cta h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

.cta-address {
  font-size: 14px;
  color: #dbe6ff;
  margin: 12px auto 22px;
  max-width: 700px;
  line-height: 1.6;
}

.cta-address i {
  margin-right: 6px;
  color: #dbe6ff;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 26px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: 0.3s ease;
}

.btn-contact {
  background: #fff;
  color: var(--primary);
}

.btn-contact:hover {
  background: #e6ecf7;
}

.btn-wa {
  background: #25d366;
  color: #fff;
}

.btn-wa:hover {
  background: #1ebe5d;
}