/* ==========================================================================
   layout.css — Base, container, header/footer layout, grid tiap section
   ========================================================================== */

/* ---- Base ---- */
html {
  scroll-padding-top: calc(var(--header-h) + var(--space-3));
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

main {
  display: block;
}

h1,
h2,
h3 {
  color: var(--text);
  line-height: var(--lh-heading);
}

h2 {
  font-size: var(--fs-h2);
  font-weight: 600;
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: calc(var(--container) + (var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  min-height: var(--header-h);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header {
    background: var(--header-bg-solid);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-h);
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
}

/* ---- Section ---- */
.section {
  padding-block: var(--section-y);
}

.section--alt {
  background: var(--surface);
  border-block: 1px solid var(--border);
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-8);
}

.section-head > * + * {
  margin-top: var(--space-3);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: 90vh;
  min-height: 90svh;
  padding-block: var(--space-9);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: var(--space-9);
  align-items: center;
  width: 100%;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-5);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---- Selected Work ---- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-9);
  align-items: start;
}

/* ---- Capabilities ---- */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

/* ---- Ecosystem ---- */
.ecosystem-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: stretch;
}

/* ---- Contact ---- */
.contact {
  max-width: 880px;
  margin-inline: auto;
  text-align: center;
}

.contact .section-head {
  margin-inline: auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-7);
  text-align: left;
}

/* ==========================================================================
   Phase 3.2 — Work index & Project detail (struktur)
   ========================================================================== */

/* ---- Page hero (hero kecil, work.php) ---- */
.page-hero {
  padding-block: var(--space-9) var(--space-8);
  border-bottom: 1px solid var(--border);
}

/* ---- Project hero (project.php, lewat includes/project-header.php) ---- */
.project-hero {
  padding-block: var(--space-8) var(--space-7);
  border-bottom: 1px solid var(--border);
}

.project-hero__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

/* ---- Kolom baca case study (Overview .. Lessons Learned) ---- */
.detail {
  max-width: 760px;
}

.detail-block + .detail-block {
  margin-top: var(--space-8);
}

.detail-block h2 {
  margin-bottom: var(--space-4);
}

.detail-block p {
  color: var(--text-secondary);
}

.detail-block p + p {
  margin-top: var(--space-3);
}

.detail-block .topology {
  margin-top: var(--space-5);
}

.detail-block .tag-list {
  margin-top: 0;
}

/* ---- Overview: key-value grid ---- */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-6);
}

.overview-grid dt {
  margin-bottom: var(--space-2);
}

/* ---- Related Projects: 2 kolom di desktop (bukan 3) ---- */
@media (min-width: 1024px) {
  .project-grid--related {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-8) var(--space-5);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.footer-copy {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Tablet dan di bawahnya: hero satu kolom */
@media (max-width: 1023px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-8);
  }

  .about-grid {
    gap: var(--space-8);
  }
}

/* Tablet: 2 kolom project, kartu ketiga selebar baris */
@media (min-width: 768px) and (max-width: 1023px) {
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-grid > :last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

/* Mobile */
@media (max-width: 767px) {
  .nav-panel {
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    margin-left: 0;
    padding-block: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border);
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 0 var(--space-3);
  }

  /* Dengan JavaScript: menu menjadi dropdown di bawah header */
  .js .nav-panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding-inline: var(--gutter);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }

  .js .nav-panel.is-open {
    display: flex;
  }

  /* Tanpa JavaScript: header tidak sticky agar tidak memakan layar */
  html:not(.js) .site-header {
    position: static;
  }

  .hero {
    min-height: auto;
    padding-block: var(--space-8) var(--space-9);
  }

  .hero__content {
    gap: var(--space-4);
  }

  .section-head {
    margin-bottom: var(--space-7);
  }

  .project-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .about-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-7);
  }

  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ecosystem-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

 .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  /* ---- Phase 3.2: Work index & Project detail ---- */
  .page-hero {
    padding-block: var(--space-7) var(--space-6);
  }

  .project-hero {
    padding-block: var(--space-7) var(--space-6);
  }

  .project-hero__top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .overview-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}