/* ========================================================================
   PRODI AKU (Akuakultur) — STPK Matauli
   Karakter: AQUATIC-ORGANIC
   Warna: Biru Laut + Aqua-Hijau + Sand
   Font: Lora (display, serif soft italic) + Manrope (body)
   Vibe: melengkung, organic, soft, calm
   ======================================================================== */

:root {
  /* AKU Color System — Ocean-Aquatic */
  --aku-ocean: #1E5A8C;          /* Biru laut dalam */
  --aku-ocean-light: #4A8DB8;
  --aku-aqua: #5BC0BE;            /* Aqua segar */
  --aku-aqua-soft: #A5DDDB;
  --aku-green: #1A6B4C;           /* Hijau bakau */
  --aku-green-soft: #4A9979;
  --aku-sand: #F4EFE6;            /* Pasir hangat */
  --aku-sand-dark: #E8DFD0;
  --aku-coral: #E89A8C;           /* Aksen koral lembut */
  --aku-cream: #FBF7F0;           /* Background lembut */
  --aku-white: #FFFFFF;
  --aku-ink: #1A2A3A;             /* Teks gelap (di light bg) */
  --aku-ink-muted: #4A5A6A;
  --aku-ink-soft: #6B7E91;
  --aku-line: rgba(30, 90, 140, 0.12);
  --aku-line-strong: rgba(30, 90, 140, 0.22);

  --font-display: 'Lora', 'Georgia', serif;
  --font-body: 'Manrope', system-ui, sans-serif;

  --aku-max: 1240px;
  --aku-radius-sm: 12px;
  --aku-radius: 20px;
  --aku-radius-lg: 32px;
  --aku-radius-xl: 48px;
  --shadow-soft: 0 10px 40px rgba(30, 90, 140, 0.08);
  --shadow-medium: 0 20px 60px rgba(30, 90, 140, 0.12);
  --tr: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--aku-ink);
  background: var(--aku-cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; }
.container { max-width: var(--aku-max); margin: 0 auto; padding: 0 28px; }
.container--narrow { max-width: 880px; margin: 0 auto; padding: 0 28px; }

/* TYPOGRAPHY — Soft, organic, italic accents */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  color: var(--aku-ocean);
  letter-spacing: -0.01em;
}
h1 em, h2 em, h3 em { font-style: italic; color: var(--aku-aqua); font-weight: 400; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--aku-green);
  padding: 8px 18px;
  background: rgba(91, 192, 190, 0.12);
  border-radius: 100px;
}
.eyebrow::before {
  content: '◐';
  font-size: 14px;
  color: var(--aku-aqua);
}
.section-title { font-size: clamp(32px, 5vw, 52px); margin-bottom: 18px; }
.section-lead { font-family: var(--font-body); font-size: 17px; color: var(--aku-ink-muted); line-height: 1.75; max-width: 700px; }

/* RETURN BAR */
.return-bar {
  background: var(--aku-ocean);
  color: var(--aku-cream);
  padding: 12px 0;
  font-size: 13px;
}
.return-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.return-bar a {
  color: var(--aku-aqua-soft);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--tr);
  font-weight: 500;
}
.return-bar a:hover { color: var(--aku-white); }
.return-bar__right { color: rgba(255,255,255,0.65); font-size: 12px; font-style: italic; }

/* NAVBAR */
.aku-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 247, 240, 0.94);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--aku-line);
}
.aku-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  gap: 24px;
}
.aku-brand { display: flex; align-items: center; gap: 14px; }
.aku-brand__mark {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--aku-ocean), var(--aku-aqua));
  display: grid; place-items: center;
  font-family: var(--font-display);
  color: var(--aku-white);
  font-size: 24px;
  font-weight: 600;
  font-style: italic;
  border-radius: 50%;
  box-shadow: var(--shadow-soft);
}
.aku-brand__text { line-height: 1.2; }
.aku-brand__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--aku-ocean);
  font-style: italic;
}
.aku-brand__sub {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--aku-green);
  text-transform: uppercase;
  font-weight: 600;
  margin-top: 2px;
}

.aku-menu { display: flex; gap: 4px; align-items: center; }
.aku-menu__item { position: relative; }
.aku-menu__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--aku-ink-muted);
  padding: 10px 14px;
  transition: all var(--tr);
  white-space: nowrap;
  border-radius: 100px;
}
.aku-menu__link:hover, .aku-menu__link.active {
  color: var(--aku-ocean);
  background: rgba(91, 192, 190, 0.15);
}
.aku-menu__link svg { width: 11px; height: 11px; opacity: 0.6; }

.aku-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 240px;
  background: var(--aku-white);
  border: 1px solid var(--aku-line);
  border-radius: var(--aku-radius);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--tr);
  z-index: 50;
  box-shadow: var(--shadow-medium);
}
.aku-menu__item:hover .aku-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.aku-dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 13.5px;
  color: var(--aku-ink-muted);
  border-radius: 12px;
  transition: all var(--tr);
}
.aku-dropdown a:hover {
  color: var(--aku-ocean);
  background: rgba(91, 192, 190, 0.1);
}
.aku-dropdown a.active { color: var(--aku-ocean); background: rgba(91, 192, 190, 0.15); font-weight: 600; }

.aku-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--aku-ocean), var(--aku-aqua));
  color: var(--aku-white);
  font-size: 13.5px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 100px;
  transition: all var(--tr);
  box-shadow: var(--shadow-soft);
}
.aku-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }

.aku-hamburger {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.aku-hamburger span { width: 22px; height: 2px; background: var(--aku-ocean); border-radius: 2px; transition: all var(--tr); }

/* BREADCRUMB */
.aku-crumbs {
  background: rgba(91, 192, 190, 0.08);
  padding: 18px 0;
  font-size: 13px;
  color: var(--aku-ink-soft);
}
.aku-crumbs a { color: var(--aku-aqua); transition: color var(--tr); font-weight: 500; }
.aku-crumbs a:hover { color: var(--aku-ocean); }
.aku-crumbs__sep { margin: 0 10px; color: var(--aku-aqua); }
.aku-crumbs__current { color: var(--aku-ocean); font-weight: 600; }

/* PAGE HERO */
.aku-hero {
  position: relative;
  padding: 100px 0 130px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(91, 192, 190, 0.15), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(26, 107, 76, 0.08), transparent 50%),
    linear-gradient(180deg, var(--aku-cream) 0%, var(--aku-sand) 100%);
}
.aku-hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(91, 192, 190, 0.18), transparent 70%);
  border-radius: 50%;
}
.aku-hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(30, 90, 140, 0.1), transparent 70%);
  border-radius: 50%;
}
.aku-hero__inner {
  position: relative;
  max-width: 900px;
  z-index: 2;
}
.aku-hero h1 {
  font-size: clamp(40px, 6.5vw, 76px);
  line-height: 1.05;
  margin: 18px 0;
  color: var(--aku-ocean);
}
.aku-hero h1 em {
  color: var(--aku-aqua);
  font-style: italic;
  font-weight: 400;
  display: block;
}
.aku-hero p {
  font-size: 18px;
  line-height: 1.75;
  color: var(--aku-ink-muted);
  max-width: 680px;
}

/* SECTION */
.aku-section { padding: 100px 0; position: relative; }
.aku-section--ocean {
  background: linear-gradient(135deg, var(--aku-ocean) 0%, #134870 100%);
  color: var(--aku-white);
}
.aku-section--ocean h1, .aku-section--ocean h2, .aku-section--ocean h3, .aku-section--ocean h4 { color: var(--aku-white); }
.aku-section--ocean h1 em, .aku-section--ocean h2 em, .aku-section--ocean h3 em { color: var(--aku-aqua-soft); }
.aku-section--ocean .section-lead { color: rgba(255,255,255,0.8); }
.aku-section--ocean .eyebrow { background: rgba(91, 192, 190, 0.2); color: var(--aku-aqua-soft); }
.aku-section--ocean .eyebrow::before { color: var(--aku-aqua-soft); }

.aku-section--aqua {
  background:
    radial-gradient(ellipse at top right, rgba(91, 192, 190, 0.12), transparent 60%),
    linear-gradient(180deg, var(--aku-cream), var(--aku-sand) 100%);
}

.aku-section--sand { background: var(--aku-sand); }

.section-head { margin-bottom: 56px; }
.section-head--center { text-align: center; }
.section-head--center .section-lead { margin: 0 auto; }
.section-head--center .eyebrow { justify-content: center; }

/* PROSE */
.prose p { margin-bottom: 16px; font-size: 16px; line-height: 1.85; color: var(--aku-ink-muted); }
.prose strong { color: var(--aku-ocean); font-weight: 600; }
.prose em { color: var(--aku-aqua); font-style: italic; }
.prose h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 24px;
  font-weight: 500;
  color: var(--aku-green);
  margin: 32px 0 14px;
}
.prose ul, .prose ol { margin: 12px 0 20px 24px; }
.prose li { margin-bottom: 10px; line-height: 1.75; color: var(--aku-ink-muted); }
.aku-section--ocean .prose strong { color: var(--aku-aqua-soft); }
.aku-section--ocean .prose em { color: var(--aku-aqua); }
.aku-section--ocean .prose h3 { color: var(--aku-aqua-soft); }
.aku-section--ocean .prose p, .aku-section--ocean .prose li { color: rgba(255,255,255,0.78); }

/* BUTTONS */
.btn-aku {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 100px;
  transition: all var(--tr);
  border: 2px solid transparent;
}
.btn-aku--ocean { background: linear-gradient(135deg, var(--aku-ocean), var(--aku-ocean-light)); color: var(--aku-white); box-shadow: var(--shadow-soft); }
.btn-aku--ocean:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.btn-aku--aqua { background: var(--aku-aqua); color: var(--aku-ocean); }
.btn-aku--aqua:hover { background: var(--aku-aqua-soft); }
.btn-aku--outline { background: transparent; color: var(--aku-ocean); border-color: var(--aku-ocean); }
.btn-aku--outline:hover { background: var(--aku-ocean); color: var(--aku-white); }
.btn-aku--ghost { background: rgba(255,255,255,0.1); color: var(--aku-white); border-color: rgba(255,255,255,0.3); backdrop-filter: blur(10px); }
.btn-aku--ghost:hover { background: var(--aku-white); color: var(--aku-ocean); border-color: var(--aku-white); }

/* CARDS — Soft, rounded, organic */
.aku-card {
  background: var(--aku-white);
  border-radius: var(--aku-radius);
  padding: 32px 28px;
  transition: all var(--tr);
  border: 1px solid var(--aku-line);
  position: relative;
  overflow: hidden;
}
.aku-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: var(--aku-aqua);
}
.aku-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--aku-ocean);
  margin-bottom: 12px;
  line-height: 1.3;
}
.aku-card p { font-size: 14.5px; color: var(--aku-ink-muted); line-height: 1.75; }

.aku-card__num {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--aku-aqua);
  margin-bottom: 14px;
  font-weight: 500;
}

.aku-card--blob {
  background: linear-gradient(135deg, var(--aku-aqua), var(--aku-green));
  color: var(--aku-white);
  border: none;
}
.aku-card--blob h3 { color: var(--aku-white); }
.aku-card--blob p { color: rgba(255,255,255,0.85); }

/* INFO BOX */
.aku-info {
  background: rgba(91, 192, 190, 0.08);
  border-left: 4px solid var(--aku-aqua);
  border-radius: var(--aku-radius-sm);
  padding: 24px 28px;
  margin: 24px 0;
}
.aku-info strong {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--aku-green);
  margin-bottom: 8px;
  font-weight: 500;
}
.aku-info p { color: var(--aku-ink-muted); font-size: 14.5px; line-height: 1.7; margin: 0; }
.aku-info a { color: var(--aku-ocean); border-bottom: 1px solid var(--aku-aqua); font-weight: 500; }

.aku-section--ocean .aku-info {
  background: rgba(255,255,255,0.06);
  border-left-color: var(--aku-aqua-soft);
}
.aku-section--ocean .aku-info strong { color: var(--aku-aqua-soft); }
.aku-section--ocean .aku-info p { color: rgba(255,255,255,0.78); }
.aku-section--ocean .aku-info a { color: var(--aku-aqua); }

/* TABLE — Rounded, soft */
.aku-table-wrap {
  border-radius: var(--aku-radius);
  overflow: hidden;
  border: 1px solid var(--aku-line);
  background: var(--aku-white);
  box-shadow: var(--shadow-soft);
}
.aku-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.aku-table th {
  background: linear-gradient(135deg, var(--aku-ocean), var(--aku-ocean-light));
  color: var(--aku-white);
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: left;
  padding: 16px 20px;
  font-size: 13px;
  text-transform: uppercase;
}
.aku-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--aku-line);
  color: var(--aku-ink-muted);
  vertical-align: top;
}
.aku-table tr:last-child td { border-bottom: none; }
.aku-table tr:hover td { background: rgba(91, 192, 190, 0.05); color: var(--aku-ink); }
.aku-table strong { color: var(--aku-ocean); }

/* FALLBACK */
.aku-fallback {
  background: var(--aku-white);
  border: 2px dashed var(--aku-line-strong);
  border-radius: var(--aku-radius-lg);
  padding: 56px 32px;
  text-align: center;
  margin: 32px 0;
}
.aku-fallback__icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--aku-aqua), var(--aku-green));
  border-radius: 50%;
  display: grid; place-items: center;
  margin: 0 auto 20px;
  color: var(--aku-white);
}
.aku-fallback__icon svg { width: 32px; height: 32px; }
.aku-fallback h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 26px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--aku-ocean);
}
.aku-fallback p { color: var(--aku-ink-muted); max-width: 520px; margin: 0 auto 24px; line-height: 1.75; }

/* FOOTER */
.aku-footer {
  background: linear-gradient(135deg, var(--aku-ocean) 0%, #0F3D5C 100%);
  padding: 80px 0 0;
  position: relative;
  color: var(--aku-cream);
  overflow: hidden;
}
.aku-footer::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(91, 192, 190, 0.15), transparent 70%);
  border-radius: 50%;
}
.aku-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  position: relative;
}
.aku-footer h4 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  font-weight: 500;
  color: var(--aku-aqua-soft);
  margin-bottom: 18px;
}
.aku-footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.aku-footer a {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  transition: color var(--tr);
}
.aku-footer a:hover { color: var(--aku-aqua-soft); }
.aku-footer p { font-size: 14.5px; color: rgba(255,255,255,0.65); line-height: 1.75; margin: 14px 0; }
.aku-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.aku-footer-bottom span { color: rgba(255,255,255,0.5); font-size: 13px; }
.aku-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  color: var(--aku-aqua-soft);
  margin-top: 20px;
  font-weight: 500;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
  .aku-menu__link { font-size: 13px; padding: 8px 10px; }
  .aku-footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 900px) {
  .aku-menu {
    display: none;
    position: fixed;
    top: 92px;
    left: 0; right: 0;
    background: var(--aku-cream);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-top: 1px solid var(--aku-line);
    max-height: calc(100vh - 92px);
    overflow-y: auto;
  }
  .aku-menu.open { display: flex; }
  .aku-menu__item { width: 100%; }
  .aku-menu__link { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--aku-line); border-radius: 0; }
  .aku-dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; padding: 8px; margin: 4px 0; display: none; background: transparent; }
  .aku-menu__item.open .aku-dropdown { display: block; }
  .aku-cta { display: none; }
  .aku-hamburger { display: flex; }
  .aku-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .aku-hamburger.open span:nth-child(2) { opacity: 0; }
  .aku-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .aku-hero { padding: 64px 0 80px; }
  .aku-section { padding: 64px 0; }
}
@media (max-width: 640px) {
  .aku-footer-grid { grid-template-columns: 1fr; gap: 32px; }
}