/* =====================================================================
   Poltek OTC Bali — shared stylesheet
   Dipakai bersama oleh semua halaman (index.php, tentang-kami.php, dst).
   ==================================================== */

:root {
  --primary: #006b5f;
  --primary-dark: #00443d;
  --primary-deep: #012f29;
  --primary-tint: #e3efec;
  --gold: #b9852f;
  --gold-light: #f4e8cf;
  --bg: #faf7f0;
  --surface: #ffffff;
  --surface-alt: #f1ece1;
  --text-primary: #14201d;
  --text-secondary: #5a655f;
  --border: #ddd5c4;
  --border-teal: #c7d9d4;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
}

.font-display {
  font-family: "Fraunces", serif;
}
.font-mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

/* ---------------------------------------------------------------------
   Signature motif: layered terrace/contour lines (subak rice terraces)
   --------------------------------------------------------------------- */
.terrace-bg {
  background-image: repeating-linear-gradient(transparent, transparent 27px, rgba(0, 107, 95, 0.07) 27px, rgba(0, 107, 95, 0.07) 28px);
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}
.terrace-divider {
  height: 34px;
  width: 100%;
}
.parallax-terrace {
  will-change: transform;
}

/* ---------------------------------------------------------------------
   Dynamic gradient background (halaman Tentang Kami)
   --------------------------------------------------------------------- */
.gradient-bg {
  position: fixed;
  inset: 0;
  z-index: -10;
  overflow: hidden;
  pointer-events: none;
  background: radial-gradient(circle at top, #efe9de 0%, #f5efe6 45%, #f1eadf 100%);
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  will-change: transform;
}
.blob-1 {
  width: 48vw;
  height: 48vw;
  background: rgba(0, 107, 95, 0.22);
  top: -10vw;
  left: -8vw;
  animation: drift1 24s ease-in-out infinite alternate;
}
.blob-2 {
  width: 42vw;
  height: 42vw;
  background: rgba(196, 161, 123, 0.2);
  bottom: -12vw;
  right: -8vw;
  animation: drift2 28s ease-in-out infinite alternate;
}
.blob-3 {
  width: 36vw;
  height: 36vw;
  background: rgba(0, 74, 65, 0.16);
  top: 42%;
  left: 40%;
  animation: drift3 32s ease-in-out infinite alternate;
}
@keyframes drift1 {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(8vw, 6vw) scale(1.15);
  }
}
@keyframes drift2 {
  from {
    transform: translate(0, 0) scale(1.05);
  }
  to {
    transform: translate(-7vw, -5vw) scale(0.9);
  }
}
@keyframes drift3 {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(-6vw, 7vw) scale(1.2);
  }
}

/* ---------------------------------------------------------------------
   Empty asset slots (foto/logo yang diisi sendiri)
   --------------------------------------------------------------------- */
.placeholder-slot {
  position: relative;
  overflow: hidden;
  background-image: repeating-linear-gradient(135deg, rgba(0, 107, 95, 0.08), rgba(0, 107, 95, 0.08) 10px, rgba(0, 107, 95, 0.02) 10px, rgba(0, 107, 95, 0.02) 20px);
}
.slot {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #8a7f6f;
  background: repeating-linear-gradient(45deg, rgba(0, 107, 95, 0.04) 0 14px, rgba(0, 107, 95, 0.08) 14px 28px);
  border: 1.5px dashed #c2b7a5;
}
.slot-label {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  font-weight: 500;
}

/* Shimmer / light-sweep — opt-in via .slot-shimmer (hanya hero beranda) */
.slot-shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.42), transparent);
  animation: shimmer 2.6s infinite;
  pointer-events: none;
}
@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

/* ---------------------------------------------------------------------
   Scroll reveal
   --------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Word-by-word reveal (untuk headline yang bisa diterjemahkan) */
.reveal-words .rv-w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  margin-right: 0.28em;
}
.reveal-words .rv-w > span {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
}
.reveal-words.is-visible .rv-w > span {
  animation: wordUp 0.9s cubic-bezier(0.2, 0.65, 0.3, 1) forwards;
}

/* Word-by-word reveal statis (headline non-terjemahan, animasi saat load) */
.hero-title .w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  margin-right: 0.28em;
}
.hero-title .w > span {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  animation: wordUp 0.9s cubic-bezier(0.2, 0.65, 0.3, 1) forwards;
}
@keyframes wordUp {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ---------------------------------------------------------------------
   Header: scroll progress + shrink
   --------------------------------------------------------------------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 60;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transition: width 0.08s linear;
}
.js-header-inner {
  transition:
    padding-top 0.3s ease,
    padding-bottom 0.3s ease;
}
.js-logo {
  transition: transform 0.3s ease;
}
header.shrink .js-header-inner {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
header.shrink .js-logo {
  transform: scale(0.9);
}

/* ---------------------------------------------------------------------
   Micro-interactions
   --------------------------------------------------------------------- */
/* Pulsing badge dot */
.pulse-dot {
  animation: dotPulse 2.4s ease-in-out infinite;
}
@keyframes dotPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(1.35);
  }
}

/* Floating info cards */
.float-card {
  animation: floaty 6s ease-in-out infinite;
}
.float-card:nth-child(2) {
  animation-delay: -3s;
}
@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* Card hover: lift + border glow */
.card-hover {
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}
.card-hover:hover {
  transform: translateY(-4px);
  border-color: var(--primary) !important;
  box-shadow: 0 14px 34px -16px rgba(0, 107, 95, 0.35);
}

/* Button shine sweep */
.btn-shine {
  position: relative;
  overflow: hidden;
}
.btn-shine::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 70%;
  height: 100%;
  transform: skewX(-20deg);
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.6s ease;
  pointer-events: none;
}
.btn-shine:hover::after {
  left: 130%;
}

/* Nav underline slide */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  height: 2px;
  width: 100%;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav-link:hover::after {
  transform: scaleX(1);
}

/* Mobile drawer (hamburger + slide menu) */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: none;
}
.mobile-menu.open {
  display: block;
}
.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(1, 20, 18, 0.5);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.mobile-menu.open .mobile-menu-backdrop {
  opacity: 1;
}
.mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(86vw, 340px);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  box-shadow: -22px 0 60px -24px rgba(1, 20, 18, 0.45);
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-link,
.mobile-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border-radius: 0.85rem;
  padding: 0.7rem 0.85rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}
.mobile-link:hover,
.mobile-summary:hover {
  background: var(--surface-alt);
}
.mobile-summary {
  list-style: none;
}
.mobile-summary::-webkit-details-marker {
  display: none;
}
.mobile-caret {
  color: var(--text-secondary);
  transition: transform 0.2s ease;
}
.mobile-group[open] > .mobile-summary .mobile-caret {
  transform: rotate(180deg);
}
.mobile-sub {
  display: flex;
  flex-direction: column;
  padding: 0.1rem 0 0.35rem 0.6rem;
}
.mobile-sublink {
  border-radius: 0.7rem;
  padding: 0.55rem 0.85rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition:
    background 0.15s ease,
    color 0.15s ease;
}
.mobile-sublink:hover {
  background: var(--primary-tint);
  color: var(--primary-dark);
}

/* Dropdown navigation */
.nav-group {
  position: relative;
}
.nav-chevron {
  transition: transform 0.2s ease;
}
.nav-group:hover .nav-chevron,
.nav-group:focus-within .nav-chevron,
.nav-group.open .nav-chevron {
  transform: rotate(180deg);
}
.nav-dropdown {
  position: absolute;
  left: 0;
  top: 100%;
  padding-top: 0.6rem;
  min-width: 12rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0.2s;
  z-index: 50;
}
.nav-group:hover .nav-dropdown,
.nav-group:focus-within .nav-dropdown,
.nav-group.open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-item {
  display: block;
  white-space: nowrap;
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition:
    background 0.15s ease,
    color 0.15s ease;
}
.dropdown-item:hover {
  background: var(--primary-tint);
  color: var(--primary-dark);
}

/* Language Dropdown */
.js-lang-dropdown {
  position: relative;
}
.dropdown-chevron {
  transition: transform 0.2s ease;
}
.js-lang-dropdown.open .dropdown-chevron {
  transform: rotate(180deg);
}
.lang-dropdown-menu {
  position: absolute;
  right: 0;
  top: 100%;
  padding-top: 0.4rem;
  width: 10rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0.2s;
  z-index: 50;
}
.js-lang-dropdown.open .lang-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
#mobile-menu .lang-dropdown-menu {
  position: relative;
  right: auto;
  top: auto;
  width: 100%;
}
#mobile-menu .js-lang-dropdown:not(.open) .lang-dropdown-menu {
  display: none;
}

/* PMB track pill rotating highlight */
.track-pill {
  transition:
    background 0.4s ease,
    border-color 0.4s ease,
    box-shadow 0.4s ease;
}
.track-pill.active {
  background: rgba(244, 232, 207, 0.16);
  border-color: rgba(244, 232, 207, 0.7);
  box-shadow: 0 0 0 3px rgba(244, 232, 207, 0.12);
}

/* CTA subtle pulse */
.pulse-cta {
  animation: ctaPulse 2.4s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(185, 133, 47, 0.5);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(185, 133, 47, 0);
  }
}

/* Language toggle */
.lang-btn {
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

/* Tabs (Tri Dharma) */
.tab-btn {
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

/* Gallery masonry + hover */
.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
}
.gallery-item .slot,
.gallery-item img {
  transition: transform 0.35s ease;
}
.gallery-item:hover .slot,
.gallery-item:hover img {
  transform: scale(1.03);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(1, 20, 18, 0.82);
}
.lightbox.open {
  display: flex;
}
.lightbox-body {
  max-width: 900px;
  width: 100%;
  max-height: 82vh;
}
.lightbox-body.lightbox-body--wide {
  max-width: min(1280px, calc(100vw - 9rem));
  max-height: none;
}
@media (max-width: 639px) {
  .lightbox-body.lightbox-body--wide {
    max-width: 100%;
  }
}

/* Modal pengumuman */
.peng-modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.peng-modal.open {
  display: flex;
}
.peng-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(1, 20, 18, 0.55);
  backdrop-filter: blur(2px);
}
.peng-modal-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 640px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 30px 70px -20px rgba(1, 20, 18, 0.5);
  transform: translateY(12px) scale(0.98);
  opacity: 0;
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}
.peng-modal.open .peng-modal-card {
  transform: translateY(0) scale(1);
  opacity: 1;
}
.peng-modal-body {
  overflow-y: auto;
}
@media (prefers-reduced-motion: reduce) {
  .peng-modal-card {
    transition: none;
    transform: none;
  }
}

/* Eyebrow / kicker text — garis aksen horizontal di samping label kecil */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65em;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  flex: none;
  background: currentColor;
  opacity: 0.55;
}
.eyebrow--center::after {
  content: "";
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  flex: none;
  background: currentColor;
  opacity: 0.55;
}

/* Read more / baca selengkapnya (sambutan direktur, dsb.) */
.readmore-wrap {
  position: relative;
  overflow: hidden;
  max-height: 8rem;
  transition: max-height 0.45s ease;
}
.readmore-wrap::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3rem;
  background: linear-gradient(to bottom, rgba(252, 248, 241, 0) 0%, rgba(252, 248, 241, 0.95) 80%);
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.readmore-wrap.is-expanded::after {
  opacity: 0;
}
.js-readmore-icon {
  transform: rotate(0deg);
}
.readmore-wrap.readmore-wrap--gallery {
  max-height: 46rem;
}
.readmore-wrap.readmore-wrap--gallery::after {
  height: 6rem;
  background: linear-gradient(to bottom, rgba(250, 247, 240, 0) 0%, rgba(250, 247, 240, 0.95) 80%);
}
@media (prefers-reduced-motion: reduce) {
  .readmore-wrap {
    transition: none;
  }
}

/* ---------------------------------------------------------------------
   Landing pendaftaran: hero slideshow + gradient overlay.
   Warna overlay = --primary-deep (#012f29) dengan transparansi.
   --------------------------------------------------------------------- */
.lp-hero {
  position: relative;
  isolation: isolate;
  background: var(--primary-deep);
}
.lp-hero__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.lp-hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}
.lp-hero__slide.is-active {
  opacity: 1;
}
.lp-hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--focal-d, 50% 50%);
}
.lp-hero::before,
.lp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
/* Opacity disetel ulang dari nilai awal handoff agar kontras teks ≥ 4.5:1 di keempat foto */
.lp-hero::before {
  background: linear-gradient(90deg, rgba(1, 47, 41, 0.9) 0%, rgba(1, 47, 41, 0.78) 40%, rgba(1, 47, 41, 0.45) 62%, rgba(1, 47, 41, 0.12) 100%);
}
@media (min-width: 768px) and (max-width: 1023px) {
  .lp-hero::before {
    background: linear-gradient(90deg, rgba(1, 47, 41, 0.92) 0%, rgba(1, 47, 41, 0.82) 55%, rgba(1, 47, 41, 0.6) 78%, rgba(1, 47, 41, 0.25) 100%);
  }
}
/* Pita gelap tipis di atas agar logo & pemilih bahasa tetap terbaca */
.lp-hero::after {
  bottom: auto;
  height: 7rem;
  background: linear-gradient(180deg, rgba(1, 47, 41, 0.55) 0%, rgba(1, 47, 41, 0) 100%);
}
.lp-hero__content {
  position: relative;
  z-index: 2;
}
@media (max-width: 767px) {
  .lp-hero__slide img {
    object-position: var(--focal-m, 50% 50%);
  }
  .lp-hero::before {
    background: linear-gradient(0deg, rgba(1, 47, 41, 0.92) 0%, rgba(1, 47, 41, 0.82) 45%, rgba(1, 47, 41, 0.6) 65%, rgba(1, 47, 41, 0.15) 100%);
  }
}

/* Kartu program studi: "dim to vivid" + zoom halus */
.lp-prodi {
  transition: border-color 0.3s ease-out;
}
.lp-prodi-media {
  position: relative;
  overflow: hidden;
}
.lp-prodi-media img {
  filter: saturate(0.85);
  transition:
    transform 0.3s ease-out,
    filter 0.3s ease-out;
}
.lp-prodi-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(1, 47, 41, 0.22);
  transition: opacity 0.3s ease-out;
  pointer-events: none;
}
.lp-prodi-arrow {
  transition: transform 0.3s ease-out;
}
.lp-prodi:hover,
.lp-prodi:focus-visible {
  border-color: var(--primary) !important;
}
.lp-prodi:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.lp-prodi:hover .lp-prodi-media::after,
.lp-prodi:focus-visible .lp-prodi-media::after {
  opacity: 0;
}
.lp-prodi:hover .lp-prodi-media img,
.lp-prodi:focus-visible .lp-prodi-media img {
  filter: none;
  transform: scale(1.05);
}
.lp-prodi:hover .lp-prodi-arrow,
.lp-prodi:focus-visible .lp-prodi-arrow {
  transform: translateX(4px);
}
@media (hover: none) {
  .lp-prodi-media::after {
    opacity: 0;
  }
  .lp-prodi-media img {
    filter: none;
  }
  .lp-prodi:hover .lp-prodi-media img {
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .lp-hero__slide {
    transition: none;
  }
  .lp-prodi-media img,
  .lp-prodi:hover .lp-prodi-media img,
  .lp-prodi:focus-visible .lp-prodi-media img {
    transform: none;
  }
  .lp-prodi:hover .lp-prodi-arrow,
  .lp-prodi:focus-visible .lp-prodi-arrow {
    transform: none;
  }
}

/* Testimonial slider */
.tst-track {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.tst-dot {
  transition:
    width 0.3s ease,
    background 0.3s ease;
}

/* News pagination button */
.page-btn {
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

/* Education timeline */
.timeline-item {
  position: relative;
  padding-left: 1.75rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 9999px;
  background: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-tint);
}
.timeline-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0.3rem;
  top: 1.1rem;
  bottom: -0.85rem;
  width: 1px;
  background: var(--border);
}

/* ---------------------------------------------------------------------
   Reduced motion
   --------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .hero-title .w > span,
  .reveal-words .rv-w > span {
    animation: none;
    transform: none;
    opacity: 1;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .pulse-dot,
  .float-card,
  .pulse-cta,
  .slot-shimmer::after,
  .blob {
    animation: none;
  }
  .card-hover:hover {
    transform: none;
  }
  .parallax-terrace {
    transform: none !important;
  }
  .mobile-menu-panel,
  .mobile-menu-backdrop {
    transition: none;
  }
}