/* =========================================================
   INFORMATIKA D 2022 — UMPAR
   Token warna diturunkan langsung dari lambang kampus:
   navy pekat, emas laurel, garnet dari cincin merah, hijau laurel.
   ========================================================= */

:root{
  --navy-950: #080D24;
  --navy-900: #0C1638;
  --navy-800: #10204d;
  --navy-700: #172a5e;
  --gold-500: #C9A227;
  --gold-300: #E4C868;
  --garnet-700: #7A1F2B;
  --garnet-600: #92242F;
  --green-700: #1F5C3D;
  --ivory-100: #F6F1E4;
  --ivory-050: #FBF9F2;
  --ink-900: #14161C;
  --ink-600: #4B4E58;
  --ink-300: #9498A3;
  --line: rgba(15, 26, 61, 0.12);

  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --shadow-card: 0 12px 32px -18px rgba(8, 13, 36, 0.35);
  --shadow-lift: 0 24px 60px -24px rgba(8, 13, 36, 0.45);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--ivory-050);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
.wrap{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
h1, h2, h3, h4{
  font-family: var(--font-display);
  color: var(--navy-950);
  margin: 0 0 .5em;
  line-height: 1.15;
}
p{ margin: 0 0 1em; }
.mono{ font-family: var(--font-mono); letter-spacing: .02em; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* ---------- Top utility bar ---------- */
.site-topbar{
  background: var(--navy-950);
  color: var(--ivory-100);
  font-size: .78rem;
  letter-spacing: .04em;
}
.site-topbar .wrap{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
}
.site-topbar a{ color: var(--gold-300); }
.site-topbar span:first-child{ text-transform: uppercase; font-size: .7rem; opacity: .85; }

/* ---------- Header / Nav ---------- */
.site-header{
  background: var(--ivory-050);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(6px);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 20px;
}
.brand{ display: flex; align-items: center; gap: 12px; }
.brand-logo{ width: 46px; height: 46px; object-fit: contain; }
.brand-text{ display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong{ font-family: var(--font-display); font-size: 1.05rem; color: var(--navy-950); }
.brand-text small{ font-size: .68rem; color: var(--ink-600); letter-spacing: .03em; }

.site-nav{ display: flex; align-items: center; gap: 28px; }
.site-nav a{
  font-size: .9rem;
  font-weight: 500;
  color: var(--ink-600);
  position: relative;
  padding: 6px 0;
}
.site-nav a:hover, .site-nav a.active{ color: var(--navy-950); }
.site-nav a.active::after{
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--gold-500);
}
.nav-cta{
  background: var(--navy-950);
  color: var(--ivory-100) !important;
  padding: 9px 18px !important;
  border-radius: 999px;
  font-size: .82rem !important;
  transition: background .2s ease, transform .2s ease;
}
.nav-cta:hover{ background: var(--garnet-700); transform: translateY(-1px); }

.nav-admin{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .84rem !important;
  color: var(--ink-600) !important;
  border: 1px solid var(--line);
  padding: 7px 14px !important;
  border-radius: 999px;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.nav-admin svg{ width: 15px; height: 15px; }
.nav-admin:hover{ border-color: var(--gold-500); color: var(--navy-950) !important; background: var(--ivory-100); }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span{ width: 24px; height: 2px; background: var(--navy-950); border-radius: 2px; }

/* ---------- Radiant star ornament (signature motif) ---------- */
.star-ornament{
  --n: 12;
  width: 120px; height: 120px;
  position: relative;
}
.star-ornament i{
  position: absolute;
  top: 0; left: 50%;
  width: 1px; height: 50%;
  background: linear-gradient(to bottom, var(--gold-300), transparent);
  transform-origin: bottom center;
}
.divider-star{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 0 auto;
  max-width: 420px;
}
.divider-star::before, .divider-star::after{
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--line));
}
.divider-star::after{ background: linear-gradient(to left, transparent, var(--line)); }
.divider-star svg{ width: 22px; height: 22px; color: var(--gold-500); }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  background: radial-gradient(circle at 50% 0%, var(--navy-800) 0%, var(--navy-950) 65%);
  color: var(--ivory-100);
  overflow: hidden;
  padding: 90px 0 100px;
  text-align: center;
}
.hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-conic-gradient(from 0deg, rgba(228,200,104,0.05) 0deg 15deg, transparent 15deg 30deg);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 65%);
  mask-image: radial-gradient(circle at 50% 30%, black 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner{ position: relative; z-index: 1; }
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-300);
  border: 1px solid rgba(228,200,104,.35);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.eyebrow .dot{ width: 6px; height: 6px; border-radius: 50%; background: var(--green-700); box-shadow: 0 0 0 3px rgba(31,92,61,.35); }

.hero-seal{
  width: 128px;
  margin: 0 auto 28px;
  filter: drop-shadow(0 18px 30px rgba(0,0,0,.45));
}
.hero h1{
  color: var(--ivory-050);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 600;
  margin-bottom: .3em;
}
.hero h1 em{
  font-style: italic;
  color: var(--gold-300);
}
.hero-sub{
  max-width: 560px;
  margin: 0 auto 36px;
  color: rgba(246,241,228,.78);
  font-size: 1.05rem;
}
.hero-actions{
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-primary{
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
  color: var(--navy-950);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 28px -12px rgba(201,162,39,.55); }
.btn-outline{
  border-color: rgba(246,241,228,.35);
  color: var(--ivory-100);
}
.btn-outline:hover{ background: rgba(246,241,228,.08); transform: translateY(-2px); }
.btn-dark{ background: var(--navy-950); color: var(--ivory-100); }
.btn-dark:hover{ background: var(--garnet-700); }
.btn-ghost{ border-color: var(--line); color: var(--navy-950); background: transparent; }
.btn-ghost:hover{ background: var(--ivory-100); }

/* ---------- Stats strip ---------- */
.stats-strip{
  background: var(--ivory-100);
  border-bottom: 1px solid var(--line);
}
.stats-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 34px 0;
}
.stat-item{
  text-align: center;
  border-right: 1px solid var(--line);
  padding: 0 12px;
}
.stat-item:last-child{ border-right: none; }
.stat-num{
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--navy-950);
  font-weight: 600;
}
.stat-label{
  font-size: .78rem;
  color: var(--ink-600);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ---------- Section shell ---------- */
.section{ padding: 90px 0; }
.section-alt{ background: var(--ivory-100); }
.section-head{
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}
.section-eyebrow{
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--garnet-700);
  margin-bottom: 12px;
  display: block;
}
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-head p{ color: var(--ink-600); }
.section-foot{ text-align: center; margin-top: 44px; }

/* ---------- Gallery / Berita ---------- */
.gallery-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.gcard{
  background: var(--ivory-050);
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
}
.gcard:hover{ transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.gcard-media{
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--navy-900);
}
.gcard-media img{ width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gcard:hover .gcard-media img{ transform: scale(1.06); }
.gcard-body{ padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.gcard-date{
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gold-500);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.gcard-body h3{ font-size: 1.12rem; margin-bottom: 8px; }
.gcard-body p{ color: var(--ink-600); font-size: .92rem; margin-bottom: 0; }
.empty-state{
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-300);
  border: 1px dashed var(--line);
  border-radius: var(--radius-m);
}

/* ---------- Members ---------- */
.member-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.mcard{
  background: var(--ivory-050);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 22px 18px;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position: relative;
}
.mcard:hover{ transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: var(--gold-500); }
.mcard-photo{
  width: 78px; height: 78px;
  border-radius: 12px;
  overflow: hidden;
  margin: 0 auto 14px;
  border: 2px solid var(--ivory-100);
  box-shadow: 0 0 0 1px var(--line);
}
.mcard-photo img{ width: 100%; height: 100%; object-fit: cover; }
.mcard h4{ font-size: .98rem; margin-bottom: 4px; }
.mcard .nim{
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--ink-600);
  background: var(--ivory-100);
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
}
.mcard-badge{
  position: absolute;
  top: 12px; right: 12px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green-700);
  box-shadow: 0 0 0 3px rgba(31,92,61,.18);
}
.mcard-ig{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ivory-050);
  background: linear-gradient(135deg, #8a3ab9, #cd486b 45%, #fbad50 100%);
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
}
.mcard-ig svg{ width: 15px; height: 15px; }
.mcard-ig:hover{ transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,.18); }
.mcard-ig--empty{
  background: var(--ivory-100);
  color: var(--ink-300);
  cursor: default;
  box-shadow: none;
}
.mcard-ig--empty:hover{ transform: none; box-shadow: none; }

/* ---------- Contact / CTA band ---------- */
.cta-band{
  background: var(--navy-950);
  color: var(--ivory-100);
  border-radius: var(--radius-l);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-band::after{
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border: 1px solid rgba(228,200,104,.18);
  border-radius: 50%;
}
.cta-band h2{ color: var(--ivory-050); margin-bottom: 6px; }
.cta-band p{ color: rgba(246,241,228,.72); margin: 0; }
.cta-actions{ display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--navy-950); color: rgba(246,241,228,.8); margin-top: 40px; }
.footer-inner{
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding: 56px 24px 40px;
}
.footer-brand{ display: flex; gap: 14px; align-items: center; max-width: 320px; }
.footer-brand img{ width: 52px; height: 52px; object-fit: contain; }
.footer-brand strong{ color: var(--ivory-050); font-family: var(--font-display); font-size: 1.05rem; }
.footer-brand p{ margin: 0; font-size: .82rem; color: rgba(246,241,228,.6); }
.footer-links{ display: flex; gap: 60px; flex-wrap: wrap; }
.footer-col{ display: flex; flex-direction: column; gap: 10px; }
.footer-heading{
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gold-300);
  margin-bottom: 4px;
}
.footer-col a{ font-size: .88rem; color: rgba(246,241,228,.75); }
.footer-col a:hover{ color: var(--gold-300); }
.footer-bottom{ border-top: 1px solid rgba(246,241,228,.1); }
.footer-bottom .wrap{
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding: 18px 24px; font-size: .76rem; color: rgba(246,241,228,.5);
}

/* ---------- Floating WA button ---------- */
.wa-float{
  position: fixed;
  right: 22px; bottom: 22px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--green-700);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 30px -10px rgba(31,92,61,.6);
  z-index: 50;
  transition: transform .2s ease;
}
.wa-float:hover{ transform: scale(1.08); }
.wa-float svg{ width: 26px; height: 26px; }

/* =========================================================
   Halaman dalam (Galeri penuh, Anggota penuh)
   ========================================================= */
.page-hero{
  background: var(--navy-950);
  color: var(--ivory-100);
  padding: 64px 0 56px;
  text-align: center;
}
.page-hero h1{ color: var(--ivory-050); font-size: clamp(2rem, 4vw, 2.8rem); }
.page-hero p{ color: rgba(246,241,228,.7); max-width: 560px; margin: 0 auto; }
.breadcrumb{
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--gold-300);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 14px;
  display: block;
}

/* =========================================================
   ADMIN
   ========================================================= */
.admin-body{ background: var(--ivory-100); min-height: 100vh; }
.admin-shell{ display: flex; min-height: 100vh; }
.admin-sidebar{
  width: 250px;
  background: var(--navy-950);
  color: var(--ivory-100);
  padding: 28px 20px;
  flex-shrink: 0;
}
.admin-sidebar .brand{ margin-bottom: 34px; }
.admin-sidebar .brand-text strong{ color: var(--ivory-050); }
.admin-sidebar .brand-text small{ color: rgba(246,241,228,.55); }
.admin-nav a{
  display: block;
  padding: 11px 14px;
  border-radius: var(--radius-s);
  font-size: .9rem;
  color: rgba(246,241,228,.75);
  margin-bottom: 4px;
}
.admin-nav a:hover{ background: rgba(246,241,228,.06); color: var(--ivory-050); }
.admin-nav a.active{ background: var(--gold-500); color: var(--navy-950); font-weight: 600; }
.admin-main{ flex: 1; padding: 34px 40px; }
.admin-topbar{
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 30px; flex-wrap: wrap; gap: 12px;
}
.admin-topbar h1{ font-size: 1.5rem; margin: 0; }
.card-panel{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 26px;
  box-shadow: var(--shadow-card);
}
.table-clean{ width: 100%; border-collapse: collapse; }
.table-clean th{
  text-align: left;
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink-600);
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
}
.table-clean td{
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  font-size: .9rem;
  vertical-align: middle;
}
.table-clean img{ width: 56px; height: 56px; object-fit: cover; border-radius: 8px; }
.table-actions{ display: flex; gap: 8px; }
.btn-sm{
  padding: 7px 14px; font-size: .8rem; border-radius: 8px;
}
.btn-danger{ background: var(--garnet-700); color: #fff; }
.btn-danger:hover{ background: var(--garnet-600); }
.btn-edit{ background: var(--navy-950); color: #fff; }
.btn-edit:hover{ background: var(--navy-800); }

.form-grid{ display: grid; gap: 18px; max-width: 640px; }
.form-group label{
  display: block; font-size: .84rem; font-weight: 600;
  margin-bottom: 6px; color: var(--navy-950);
}
.form-group input[type=text],
.form-group input[type=date],
.form-group input[type=password],
.form-group textarea,
.form-group input[type=file]{
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  font-family: var(--font-body);
  font-size: .92rem;
  background: var(--ivory-050);
}
.form-group textarea{ min-height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus{
  outline: none; border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(201,162,39,.18);
}
.helper-text{ font-size: .78rem; color: var(--ink-300); margin-top: 4px; }

.login-shell{
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 0%, var(--navy-800), var(--navy-950) 70%);
  padding: 24px;
}
.login-card{
  background: var(--ivory-050);
  border-radius: var(--radius-l);
  padding: 44px 38px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lift);
  text-align: center;
}
.login-card .brand-logo{ width: 64px; margin: 0 auto 18px; }
.login-card h1{ font-size: 1.4rem; margin-bottom: 4px; }
.login-card p{ color: var(--ink-600); font-size: .88rem; margin-bottom: 26px; }
.login-card form{ text-align: left; }
.alert{
  padding: 12px 16px;
  border-radius: var(--radius-s);
  font-size: .85rem;
  margin-bottom: 18px;
  text-align: left;
}
.alert-error{ background: rgba(122,31,43,.08); color: var(--garnet-700); border: 1px solid rgba(122,31,43,.2); }
.alert-success{ background: rgba(31,92,61,.08); color: var(--green-700); border: 1px solid rgba(31,92,61,.2); }

/* ---------- Fade-in on scroll ---------- */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
  .member-grid{ grid-template-columns: repeat(3, 1fr); }
  .stats-grid{ grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
  .stat-item:nth-child(2){ border-right: none; }
  .admin-main{ padding: 26px 22px; }
}

@media (max-width: 760px){
  .site-topbar span:first-child{ display: none; }
  .nav-toggle{ display: flex; }
  .site-nav{
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--ivory-050);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 14px;
    display: none;
  }
  .site-nav.is-open{ display: flex; }
  .nav-cta, .nav-admin{ align-self: flex-start; }
  .gallery-grid{ grid-template-columns: 1fr; }
  .member-grid{ grid-template-columns: repeat(2, 1fr); }
  .cta-band{ flex-direction: column; text-align: center; padding: 40px 26px; }
  .cta-actions{ justify-content: center; }
  .footer-inner{ flex-direction: column; }
  .admin-shell{ flex-direction: column; }
  .admin-sidebar{ width: 100%; }
  .admin-nav{ display: flex; overflow-x: auto; gap: 6px; }
  .admin-nav a{ white-space: nowrap; margin-bottom: 0; }
}

@media (max-width: 480px){
  .member-grid{ grid-template-columns: repeat(2, 1fr); }
  .hero{ padding: 64px 0 70px; }
  .section{ padding: 60px 0; }
  .cta-band{ border-radius: var(--radius-m); }
}