/* ==========================================================================
   Alfamedia — base.css
   Font self-host, elemen dasar, tipografi, utility kecil.
   ========================================================================== */

/* ---------- Font self-hosted (WOFF2, tanpa CDN) ---------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-500-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/plus-jakarta-sans-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/plus-jakarta-sans-latin-700-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Elemen dasar ---------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--space-5));
}

body {
  margin: 0;
  background-color: var(--surface-page);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--tracking-body);
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* "clip" mencegah geser horizontal TANPA menjadikan body sebuah wadah
     gulir — beda dengan "hidden", yang akan membuat position: sticky di
     dalamnya berhenti bekerja. */
  overflow-x: clip;
}

@supports not (overflow-x: clip) {
  body {
    overflow-x: hidden;
  }
}

::selection {
  background-color: var(--color-navy-900);
  color: var(--color-white);
}

/* ---------- Skala tipografi ---------- */
.u-display,
.u-h1,
.u-h2,
.u-h3 {
  font-family: var(--font-display);
  color: var(--text-strong);
}

.u-display {
  font-size: var(--fs-display);
  font-weight: var(--weight-bold);
  line-height: var(--lh-display);
  letter-spacing: var(--tracking-display);
}

.u-h1 {
  font-size: var(--fs-h1);
  font-weight: var(--weight-bold);
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-display);
}

.u-h2 {
  font-size: var(--fs-h2);
  font-weight: var(--weight-bold);
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-heading);
}

.u-h3 {
  font-size: var(--fs-h3);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-heading);
}

.u-lead {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-body);
  color: var(--text-muted);
  max-width: var(--measure-lead);
}

.u-body {
  max-width: var(--measure-body);
}

.u-small {
  font-size: var(--fs-small);
}

.u-caption {
  font-size: var(--fs-caption);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.3;
}

.u-muted {
  color: var(--text-muted);
}

/* Paragraf rata kiri-kanan, berlaku di semua ukuran layar termasuk ponsel. */
.u-justify {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}

/* Di layar kecil perataan tetap dipertahankan agar konsisten dengan desktop.
   Pemenggalan kata diaktifkan supaya celah antarkata tidak melebar. */
@media (max-width: 640px) {
  .u-justify {
    hyphens: auto;
    -webkit-hyphens: auto;
    overflow-wrap: break-word;
  }
}

/* ---------- Utility ---------- */
.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.u-stack > * + * {
  margin-top: var(--flow, var(--space-4));
}

.u-rule {
  display: block;
  width: 2.5rem;
  height: 2px;
  background-color: var(--accent);
  border-radius: var(--radius-xs);
}

.u-no-scroll {
  overflow: hidden;
}

/* Koreksi optis: tanda baca pada tipografi display punya sidebearing lebar,
   sehingga terlihat menggantung jauh dari huruf terakhir. */
.u-kern-punct {
  margin-left: -0.09em;
}