/* =========================================================
   X PPLG 2 — tema "Papan Mading Kelas"
   Navy gelap = papan, kertas krem = kartu/isi, kuning kapur
   = aksen tulisan, merah & hijau = coretan spidol.
   ========================================================= */

:root {
  --navy: #131f33;
  --navy-deep: #0d1626;
  --navy-light: #1f3050;
  --cream: #f4ecd8;
  --cream-dark: #e6d9b8;
  --ink: #26200f;
  --chalk: #f0c93e;
  --chalk-soft: #f7dd7c;
  --marker-red: #c0392b;
  --marker-green: #3f7d58;
  --marker-blue: #2e6e8e;
  --pin-shadow: rgba(0, 0, 0, 0.45);
  --paper-shadow: rgba(0, 0, 0, 0.35);
  --font-display: "Caveat", cursive;
  --font-body: "Work Sans", sans-serif;
  --font-mono: "Space Mono", monospace;
  --radius-card: 3px;
  --focus-ring: 3px solid var(--chalk);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--cream);
  background-color: var(--navy);
  background-image:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.035) 0, transparent 45%),
    radial-gradient(circle at 80% 60%, rgba(255, 255, 255, 0.03) 0, transparent 50%),
    repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.015) 0 2px, transparent 2px 6px);
  line-height: 1.55;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--chalk);
  color: var(--ink);
  padding: 0.6rem 1rem;
  z-index: 100;
  font-weight: 700;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* ---------- layout shell ---------- */

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

/* ---------- header / nav (papan nama mading) ---------- */

.site-header {
  background: linear-gradient(180deg, var(--navy-deep), var(--navy-light));
  border-bottom: 6px solid var(--chalk);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
  transition: box-shadow 0.3s ease;
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
}

.site-header__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  margin-right: auto;
}

.brand__logo {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__class {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--chalk);
  letter-spacing: 0.5px;
}

.brand__school {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--cream-dark);
}

.site-nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.nav-toggle {
  display: none;
}

.nav-link {
  position: relative;
  text-decoration: none;
  color: var(--cream);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.55rem 0.8rem;
  border-radius: 3px;
  transition: background 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0.8rem;
  right: 0.8rem;
  bottom: 5px;
  height: 2px;
  background: var(--chalk);
  border-radius: 2px;
  scale: 0 1;
  transform-origin: left;
  transition: scale 0.25s var(--ease-out);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  scale: 1 1;
}

.nav-link[aria-current="page"] {
  color: var(--ink);
  background: var(--chalk);
}

.nav-link[aria-current="page"]:hover {
  background: var(--chalk-soft);
}

.nav-link[aria-current="page"]::after {
  content: none;
}

/* ---------- headings on the board (chalk writing) ---------- */

.chalk-heading {
  font-family: var(--font-display);
  color: var(--chalk);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  margin: 2.2rem 0 0.35rem;
  transform: rotate(-1deg);
}

.chalk-sub {
  color: var(--cream-dark);
  font-size: 1rem;
  margin: 0 0 1.75rem;
  max-width: 60ch;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--navy);
  background: var(--chalk);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  margin-top: 1.75rem;
}

/* ---------- pinned paper card (the signature element) ---------- */

.pin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.2rem 1.6rem;
  margin: 1.5rem 0;
}

.card {
  position: relative;
  background: var(--cream);
  color: var(--ink);
  border-radius: var(--radius-card);
  padding: 1.6rem 1.4rem 1.4rem;
  box-shadow: 0 10px 22px var(--paper-shadow);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease;
}

.card::before {
  /* torn paper texture edge */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.05);
  pointer-events: none;
}

.card:hover,
.card:focus-within {
  transform: translateY(-4px) rotate(0deg) !important;
}

.card--tilt-l {
  transform: rotate(-2.3deg);
}

.card--tilt-r {
  transform: rotate(2deg);
}

.card--tilt-s {
  transform: rotate(-0.8deg);
}

.pin {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  box-shadow: 0 3px 5px var(--pin-shadow);
  border: 2px solid rgba(0, 0, 0, 0.15);
}

.pin::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
}

.pin--red {
  background: var(--marker-red);
}

.pin--green {
  background: var(--marker-green);
}

.pin--yellow {
  background: var(--chalk);
}

.pin--blue {
  background: var(--marker-blue);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 0.1rem 0 0.5rem;
  color: var(--navy);
}

.card p {
  margin: 0 0 0.6rem;
  font-size: 0.94rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  color: var(--cream);
  margin-bottom: 0.5rem;
}

.tag--red {
  background: var(--marker-red);
}

.tag--green {
  background: var(--marker-green);
}

.tag--blue {
  background: var(--marker-blue);
}

/* ---------- home page hero ---------- */

.hero {
  padding-top: 2.5rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: center;
}

.hero__note {
  background: var(--cream);
  color: var(--ink);
  padding: 1.8rem 1.7rem;
  border-radius: var(--radius-card);
  box-shadow: 0 12px 28px var(--paper-shadow);
  transform: rotate(-1.3deg);
  position: relative;
}

.hero__note::after {
  content: "";
  position: absolute;
  top: -10px;
  left: 28px;
  width: 60px;
  height: 22px;
  background: rgba(240, 201, 62, 0.55);
  transform: rotate(-4deg);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  color: var(--navy);
  line-height: 1;
  margin: 0 0 0.6rem;
}

.hero__lede {
  font-size: 1.02rem;
  margin: 0;
}

.hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat {
  background: var(--navy-light);
  border: 1px solid rgba(240, 201, 62, 0.25);
  border-radius: 4px;
  padding: 1rem 1rem 0.9rem;
  text-align: left;
}

.stat__num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--chalk);
  line-height: 1;
  display: block;
}

.stat__label {
  font-size: 0.78rem;
  color: var(--cream-dark);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
  }
}

/* ---------- section intro blocks ---------- */

.section {
  margin-top: 3.2rem;
}

.section__head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  flex-wrap: wrap;
}

/* ---------- gallery / polaroid ---------- */

.polaroid-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.4rem 1.8rem;
  margin: 1.5rem 0 1rem;
}

.polaroid {
  background: var(--cream);
  padding: 0.7rem 0.7rem 1.5rem;
  box-shadow: 0 12px 24px var(--paper-shadow);
  position: relative;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease;
}

.polaroid:hover,
.polaroid:focus-within {
  transform: scale(1.035) rotate(0deg) !important;
  z-index: 2;
}

.polaroid__img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--cream-dark);
}

.polaroid__caption {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
  text-align: center;
  margin-top: 0.6rem;
}

.polaroid--r1 {
  transform: rotate(-4deg);
}
.polaroid--r2 {
  transform: rotate(3deg);
}
.polaroid--r3 {
  transform: rotate(-2deg);
}
.polaroid--r4 {
  transform: rotate(4.5deg);
}
.polaroid--r5 {
  transform: rotate(-3.5deg);
}
.polaroid--r6 {
  transform: rotate(2deg);
}

.gallery-note {
  font-size: 0.9rem;
  color: var(--cream-dark);
  border-left: 3px solid var(--chalk);
  padding-left: 0.8rem;
  margin-top: 2rem;
}

/* ---------- struktur organisasi ---------- */

.org-lead {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.6rem;
  margin-bottom: 0.5rem;
}

.org-lead .card h3 {
  margin-bottom: 0.15rem;
}

.org-avatar {
  display: block;
  width: 6.5rem;
  height: 6.5rem;
  margin: 0.2rem auto 0.8rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 2px rgba(46, 110, 142, 0.35), 0 8px 18px var(--paper-shadow);
}

.org-role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--marker-blue);
}

.coord-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
}

.coord-item {
  background: var(--navy-light);
  border-left: 4px solid var(--marker-green);
  border-radius: 0 4px 4px 0;
  padding: 1rem 1.1rem 1.3rem;
}

.coord-item:nth-child(3n + 2) {
  border-left-color: var(--marker-red);
}

.coord-item:nth-child(3n) {
  border-left-color: var(--chalk);
}

.coord-item__field {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--chalk-soft);
}

.coord-item__people {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.85rem;
}

.coord-person {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  text-align: center;
}

.coord-person__avatar {
  flex-shrink: 0;
  width: 4.4rem;
  height: 4.4rem;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(240, 201, 62, 0.45);
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.32);
}

.coord-person__name {
  font-size: 0.88rem;
  line-height: 1.2;
  color: var(--cream);
}

/* ---------- jadwal pelajaran ---------- */

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.schedule-day {
  background: var(--cream);
  color: var(--ink);
  border-radius: var(--radius-card);
  box-shadow: 0 10px 22px var(--paper-shadow);
  overflow: hidden;
}

.schedule-day__head {
  background: var(--navy);
  color: var(--chalk);
  font-family: var(--font-display);
  font-size: 1.6rem;
  padding: 0.5rem 1rem 0.35rem;
}

.schedule-day__count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--cream-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
  margin-top: -0.3rem;
  padding-bottom: 0.4rem;
}

.schedule-list {
  list-style: none;
  margin: 0;
  padding: 0.9rem 1rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.schedule-list li {
  display: flex;
  gap: 0.6rem;
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--cream-dark);
}

.schedule-list li:last-child {
  border-bottom: none;
}

.schedule-list .num {
  color: var(--marker-red);
  font-weight: 700;
  flex-shrink: 0;
}

.schedule-note {
  font-size: 0.9rem;
  color: var(--cream-dark);
  border-left: 3px solid var(--chalk);
  padding-left: 0.8rem;
  margin-top: 2rem;
}

/* ---------- daftar siswa ---------- */

.student-sheet {
  background: var(--cream);
  color: var(--ink);
  border-radius: var(--radius-card);
  box-shadow: 0 10px 24px var(--paper-shadow);
  padding: 1.8rem 2rem;
  margin: 1.5rem 0;
  transform: rotate(-0.4deg);
}

.student-list {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
}

.student-list li {
  display: flex;
  gap: 0.6rem;
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--cream-dark);
  break-inside: avoid;
}

.student-list .num {
  color: var(--marker-red);
  font-weight: 700;
  flex-shrink: 0;
  min-width: 1.6rem;
}

@media (max-width: 560px) {
  .student-list {
    columns: 1;
  }
  .student-sheet {
    padding: 1.4rem 1.3rem;
  }
}

/* ---------- footer ---------- */

.site-footer {
  text-align: center;
  padding: 2rem 1.25rem 2.5rem;
  color: var(--cream-dark);
  font-size: 0.82rem;
}

.site-footer strong {
  color: var(--chalk);
}

/* ---------- mobile nav ---------- */

@media (max-width: 680px) {
  .site-header__inner {
    position: relative;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-left: auto;
    background: var(--chalk);
    color: var(--ink);
    border: none;
    font-weight: 700;
    padding: 0.5rem 0.8rem;
    border-radius: 3px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    transition: background 0.2s ease, transform 0.15s var(--ease-out);
  }

  .nav-toggle:active {
    transform: scale(0.96);
  }

  .nav-toggle__icon {
    display: inline-block;
    transition: transform 0.3s var(--ease-out);
  }

  .nav-toggle.is-open .nav-toggle__icon {
    transform: rotate(90deg);
  }

  .site-nav {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    width: 100%;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding-top: 0;
    transition: max-height 0.35s var(--ease-out), opacity 0.25s ease,
      padding-top 0.35s var(--ease-out);
  }

  .site-nav.is-open {
    max-height: 20rem;
    opacity: 1;
    padding-top: 0.6rem;
  }
}

/* ---------- transisi pindah halaman ----------
   Digerakkan lewat class "js" di <html> (ditambah lebih dulu oleh
   inline script kecil di <head>) supaya kalau JS mati/gagal, halaman
   tetap kelihatan normal — ga ada apa pun yang "ketutup" permanen. */

body {
  transition: opacity 0.4s var(--ease-out), translate 0.4s var(--ease-out);
}

.js body:not(.is-ready) {
  opacity: 0;
  translate: 0 10px;
}

.js body.is-leaving {
  opacity: 0;
  translate: 0 -8px;
  transition: opacity 0.2s ease, translate 0.2s ease;
}

/* ---------- reveal saat discroll (kartu "ditempel" ke papan) ----------
   Pakai @keyframes (bukan transition) supaya ga pernah bentrok sama
   transition hover milik .card / .polaroid, apa pun urutan atau
   spesifisitas selector-nya — animation dan transition itu mekanisme
   yang terpisah. */

@keyframes reveal-in {
  from {
    opacity: 0;
    translate: 0 24px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

.js .reveal {
  opacity: 0;
  translate: 0 24px;
}

.js .reveal.is-visible {
  animation: reveal-in 0.6s var(--ease-out) both;
  animation-delay: var(--reveal-delay, 0s);
}

/* ---------- tombol navigasi antar halaman (melayang) ----------
   Tombol "sebelumnya" nempel di pojok kiri bawah, tombol "berikutnya"
   di pojok kanan bawah — gaya bundar "penjepit kapur", dengan label
   kertas kecil yang muncul pas di-hover/focus supaya jelas ini mau
   pindah ke halaman apa (bukan cuma panah polos). */

.page-nav {
  /* cuma pembungkus semantik, posisinya diatur per tombol di bawah */
}

.page-nav__btn {
  position: fixed;
  bottom: max(1.1rem, env(safe-area-inset-bottom));
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 50%;
  background: var(--chalk);
  color: var(--ink);
  box-shadow: 0 6px 16px var(--pin-shadow), inset 0 0 0 2px rgba(0, 0, 0, 0.12);
  border: 2px solid rgba(0, 0, 0, 0.15);
  text-decoration: none;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease,
    background 0.2s ease;
}

.page-nav__btn--prev {
  left: max(1.1rem, env(safe-area-inset-left));
}

.page-nav__btn--next {
  right: max(1.1rem, env(safe-area-inset-right));
}

.page-nav__icon {
  width: 1.3rem;
  height: 1.3rem;
  display: block;
}

.page-nav__btn:hover,
.page-nav__btn:focus-visible {
  background: var(--chalk-soft);
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 10px 24px var(--pin-shadow), inset 0 0 0 2px rgba(0, 0, 0, 0.12);
}

.page-nav__btn:active {
  transform: translateY(-1px) scale(0.95);
}

.page-nav__tip {
  position: absolute;
  top: 50%;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1;
  padding: 0.45rem 0.85rem 0.35rem;
  border-radius: 3px;
  white-space: nowrap;
  box-shadow: 0 6px 14px var(--paper-shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, translate 0.2s var(--ease-out);
}

.page-nav__tip::after {
  content: "";
  position: absolute;
  top: 50%;
  translate: 0 -50%;
  border: 6px solid transparent;
}

/* tombol "next" (kanan): label muncul di sebelah kiri tombol */
.page-nav__btn--next .page-nav__tip {
  right: calc(100% + 0.75rem);
  translate: 8px -50%;
}

.page-nav__btn--next .page-nav__tip::after {
  left: 100%;
  border-left-color: var(--cream);
}

/* tombol "prev" (kiri): label muncul di sebelah kanan tombol */
.page-nav__btn--prev .page-nav__tip {
  left: calc(100% + 0.75rem);
  translate: -8px -50%;
}

.page-nav__btn--prev .page-nav__tip::after {
  right: 100%;
  border-right-color: var(--cream);
}

.page-nav__btn:hover .page-nav__tip,
.page-nav__btn:focus-visible .page-nav__tip {
  opacity: 1;
  translate: 0 -50%;
}

@media (prefers-reduced-motion: reduce) {
  .page-nav__btn,
  .page-nav__tip {
    transition: none;
  }
}

@media (max-width: 560px) {
  .page-nav__btn--prev {
    left: max(0.8rem, env(safe-area-inset-left));
  }

  .page-nav__btn--next {
    right: max(0.8rem, env(safe-area-inset-right));
  }

  .page-nav__btn {
    bottom: max(0.8rem, env(safe-area-inset-bottom));
    width: 2.7rem;
    height: 2.7rem;
  }

  .page-nav__tip {
    font-size: 0.95rem;
  }
}