/* RESET RINGAN */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.4;
  color: #111;

  /* Background default + fallback */
  background: #000 center / cover no-repeat fixed;
  background-image: url('../img/bg-landscape.jpg');

  /* tinggi viewport aman (diset via JS) */
  min-height: calc(var(--vh, 1vh) * 100);
}

/* background untuk orientasi portrait */
@media (orientation: portrait) {
  body { background-image: url('../img/bg-portrait.jpg'); }
}

h1{
  font-family: Arial, Helvetica, sans-serif;
  font-size: 5em;
  color:#fff;
line-height: 60%;
}
h1 span{
  color:#dddddd;
   font-size: 40%;
}

/* =========================
   PAGE WRAPPER
   ========================= */
.page {
  min-height: calc(var(--vh, 1vh) * 100);
  display: grid;
  place-items: center;         /* pusatkan container */
}

/* =========================
   CONTAINER (FULL GRID)
   ========================= */
.container {
  width: min(100% - 20px, 1000px);
  margin-inline: auto;
  display: grid;
  grid-template-rows: auto 1fr auto;  /* header | konten fleksibel | footer */
  row-gap: clamp(12px, 2vw, 24px);
  min-height: 85vh;                    /* tinggi area kerja */
  padding: 0 10px;
  z-index: 5;
  /* background-color: aqua; */
}

/* =========================
   HEADER
   ========================= */
header.header {
  width: 100%;
  display: grid;
  justify-items: center;
  row-gap: 12px;
  text-align: center;
  margin: 0;
  padding: 0;
}

.logo-bi {
  max-width: clamp(100px, 35vw, 300px);
  height: auto;
  display: block;
}

.logo-event {
  max-width: min(90%, 800px);
  height: auto;
  display: block;
}

/* =========================
   CONTENT
   ========================= */
.content {
  width: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-items: center;
  gap: 15px;
  text-align: center;
  /* background-color: rgb(255, 251, 0);  */
}

.gambar-content {
  width: 100%;
  margin: 0 auto;
  max-width: min(95%, 1000px);
  height: auto;
  display: block;
}

.logo-support {
  /* width: 100%; */
  max-width: min(80%, 800px);
  margin: 0 auto;
  height: auto;
  display: block;
}

/* =========================
   FOOTER (DI DALAM CONTAINER)
   ========================= */
.footer {
  width: 100%;
  display: grid;
  justify-items: center;
  padding: 10px;
  /* background-color: rgb(255, 0, 0); */
}

.footer .logo-footer {
  width: min(90%, 800px);
  height: auto;
  display: block;
}

/* =========================
   RESPONSIVE TWEAKS
   ========================= */
@media (min-width: 1024px) {
  .container { row-gap: 24px; }
}