/* ===================================================================
   BASE + RESET
=================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body { color: #111827; background:#fff; }
img { max-width: 100%; height: auto; display:block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background:none; }


/* ===================================================================
   CONTAINER (Tailwind Accurate)
=================================================================== */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media(min-width:640px){
    .container { max-width: 640px; padding-left:1.5rem; padding-right:1.5rem; }
}
@media(min-width:768px){
    .container { max-width: 768px; }
}
@media(min-width:1024px){
    .container { max-width: 1024px; }
}
@media(min-width:1280px){
    .container { max-width: 1280px; }
}

@media (min-width: 1024px) {
  #mobile-menu {
    display: none !important;
  }
}

/* ===================================================================
   SECTIONS
=================================================================== */
.section {
    padding: 4rem 0;
}

/* GRID 2 (MISSING – REQUIRED FOR CONTACT LAYOUT) */
.grid-2 {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr 1fr;
    }
}


/* ===================================================================
   UTILITY CLASSES 
=================================================================== */
.flex { display:flex; }
.flex-col { flex-direction:column; }
.flex-center { display:flex; justify-content:center; align-items:center; }
.flex-end { display:flex; justify-content:flex-end; align-items:center; }

.items-center { align-items:center; }
.justify-center { justify-content:center; }
.justify-between { justify-content:space-between; }

.w-full { width:100%; }
.h-full { height:100%; }

.hidden { display:none; }
.block { display:block; }

.text-center { text-align:center; }

.rounded { border-radius: .25rem; }
.rounded-full { border-radius:9999px; }

.shadow { box-shadow:0 1px 3px rgba(0,0,0,.1); }
.shadow-lg { box-shadow:0 10px 15px rgba(0,0,0,.15); }

.transition { transition:all .2s ease; }

.mt-20 { margin-top:1.25rem; }
.mb-40 { margin-bottom:2.5rem; }

/* ===================================================================
   TYPE
=================================================================== */
h1.hero-title {
    font-size: 2rem;
    line-height:1.2;
    font-weight:800;
    color:#fff;
}

@media(min-width:640px){
    h1.hero-title { font-size:2.75rem; }
}
@media(min-width:1024px){
    h1.hero-title { font-size:3.5rem; }
}

h2 {
    font-size:1.875rem;
    font-weight:700;
    margin-bottom:.5rem;
}

h3 {
    font-size:1.25rem;
    font-weight:600;
}

p {
    font-size:1rem;
    line-height:1.6;
    color:#4b5563;
}

/* ===================================================================
   COLORS
=================================================================== */
.bg-light { background:#f9fafb; }
.bg-white { background:#fff; }
.text-white { color:#fff; }
.text-dark { color:#111827; }

/* ===================================================================
   TOP CONTACT BAR
=================================================================== */
.top-contact-bar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #111827;
    color: #fff;
    padding: 5px 0;
}


.top-contact-bar .contact-items {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1.5rem;
}

.top-contact-bar span {
    display: flex;
    align-items: center;
    gap: .4rem;
}

.btn-blue {
    background: #2563eb;
    color: white;
    padding: .45rem 1rem;
    border-radius: .25rem;
    font-size: .875rem;
}

/* ===================================================================
   DESKTOP DROPDOWN
=================================================================== */
/* ===== DROPDOWN (Kontak) ===== */
.menu-item {
    position: relative;
}

.has-dropdown {
    display: inline-block;
}

/* Button trigger */
.dropdown-trigger {
    background: none;
    border: none;
    font-size: 1rem;
    color: #111827;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Dropdown container */
.dropdown-menu {
    position: absolute;
    top: 110%;
    left: 0;
    background: #ffffff;
    min-width: 180px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,.12);
    padding: .5rem 0;
    display: none;
    z-index: 999;
}

/* SHOW ONLY WHEN CLICKED */
.has-dropdown:focus-within .dropdown-menu {
    display: block;
}

/* Dropdown links */
.dropdown-menu a {
    display: block;
    padding: .65rem 1rem;
    font-size: .95rem;
    color: #111827;
}

.dropdown-menu a:hover {
    background: #f3f4f6;
    color: #1e3a8a;
}


/* ===================================================================
   NAVBAR
=================================================================== */
.navbar {
    position: sticky;
    top: 30px; 
    z-index: 999;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
    display: block;
}




/* Desktop Menu */
.menu-desktop {
    display: none;
    gap: 1.75rem;
    align-items: center;
}

.menu-desktop a {
    color: #111827;
    font-size: 1rem;
    transition: .2s;
}
.menu-desktop a:hover {
    color: #2563eb;
}

.round-yellow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #facc15;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #111;
}

.round-yellow:hover {
    background: #eab308;
}

.mobile-menu-btn {
    font-size: 1.5rem;
    color: #111827;
}

/* Desktop breakpoint */
@media (min-width:1024px) {
    .menu-desktop { display: flex; }
    .mobile-menu-btn { display: none; }
}

/* ===================================================================
   LANGUAGE SELECTOR
=================================================================== */
.lang-selector {
    position: relative;
}

/* Hide menu by default */
.lang-menu {
    display: none;
    position: absolute;
    top: 110%;
    right: 0;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: .25rem;
    min-width: 120px;
    padding: .5rem 0;
    box-shadow: 0 4px 10px rgba(0,0,0,.1);
}

.lang-selector:focus-within .lang-menu {
    display: block;
}

.lang-menu a {
    display: block;
    padding: .5rem 1rem;
}

.lang-menu a:hover {
    background: #f3f4f6;
}

/* ===================================================================
   MOBILE MENU
=================================================================== */
.mobile-menu {
    background: #fff;
    border-top: 1px solid #e5e7eb;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-lang {
    display: flex;
    gap: .5rem;
    margin-top: .5rem;
}

.mobile-btn-yellow {
    background: #facc15;
    padding: .75rem;
    border-radius: .25rem;
    text-align: center;
}

/* Hide mobile menu on desktop */
@media (min-width:1024px) {
    #mobile-menu { display: none !important; }
}


/* =========================================================
   FILTERING (GRID RE-FLOWS, NO BLANK SPACE)
========================================================= */

/* Hide filter radios */
.gallery-tabs input {
    display: none;
}

/* Tabs */
.gallery-tabs {
    display: flex;
    gap: .75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.gallery-tabs label {
    padding: .45rem .9rem;
    border: 1px solid #e5e7eb;
    border-radius: .25rem;
    font-size: .875rem;
    cursor: pointer;
    background: #fff;
}

/* Active tab */
#filter-all:checked ~ .gallery-tabs label[for="filter-all"],
#filter-energi:checked ~ .gallery-tabs label[for="filter-energi"],
#filter-air:checked ~ .gallery-tabs label[for="filter-air"],
#filter-limbah:checked ~ .gallery-tabs label[for="filter-limbah"] {
    background: #facc15;
    border-color: #facc15;
    font-weight: 600;
}

/* DEFAULT: show all */
/* DEFAULT SHOW */
.gallery-card {
    display: flex;
}

/* ENERGI */
#filter-energi:checked ~ .gallery-grid .gallery-card {
    display: none;
}
#filter-energi:checked ~ .gallery-grid .energy {
    display: flex;
}

/* AIR */
#filter-air:checked ~ .gallery-grid .gallery-card {
    display: none;
}
#filter-air:checked ~ .gallery-grid .water {
    display: flex;
}

/* LIMBAH */
#filter-limbah:checked ~ .gallery-grid .gallery-card {
    display: none;
}
#filter-limbah:checked ~ .gallery-grid .waste {
    display: flex;
}




/* =========================================================
   PROJECT GALLERY (4 x 3 GRID, NO JS)
========================================================= */

.project-gallery {
    margin: 4rem auto;
}

/* Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 1fr;              
    gap: 24px;
}


/* Card */
.gallery-card {
    background: #f3f4f6;
    border-radius: .5rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.gallery-card[style*="hidden"] {
    opacity: 0;
}

.gallery-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 18px rgba(0,0,0,.12);
}

/* Image */
.gallery-image {
    height: 180px;
    overflow: hidden;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-image.coming-soon {
    height: 180px;
    border: 2px dashed #d1d5db;
    background: #f9fafb;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.gallery-image.coming-soon span {
    font-size: .85rem;
    color: #9ca3af;
    line-height: 1.4;
}


/* Title */
.gallery-title {
    padding: .75rem;
    text-align: center;
    font-size: .9rem;
    font-weight: 600;
    color: #111827;
}

/* Empty */
.gallery-card.empty {
    justify-content: center;
    align-items: center;
    border: 2px dashed #d1d5db;
    background: #fafafa;
}

.gallery-card.empty span {
    color: #9ca3af;
    font-size: .875rem;
    text-align: center;
}

/* Pagination */
.gallery-pagination {
    display: flex;
    justify-content: center;
    gap: .5rem;
    margin-top: 2rem;
}

.gallery-pagination a,
.gallery-pagination span {
    padding: .4rem .7rem;
    border: 1px solid #e5e7eb;
    border-radius: .25rem;
    font-size: .875rem;
}

.gallery-pagination .active {
    background: #facc15;
    border-color: #facc15;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================
   CARD TEXT
================================ */
.gallery-text {
    padding: .6rem .75rem .8rem;
    text-align: center;
}

.gallery-desc {
    font-size: 0.78rem;
    color: #6b7280;
    line-height: 1.45;
    margin-top: .35rem;
    text-align: left;
}

.gallery-desc div {
    margin-bottom: 2px;
}

.gallery-desc strong {
    color: #111827;
    font-weight: 600;
}


/* ===============================
   PURE CSS SLIDER (FIXED)
================================ */

.gallery-slider {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}

/* Hide radio buttons */
.gallery-slider input {
    display: none;
}

/* Slide track */

.slides3 {
    display: flex;
    width: 300%; /* 3 images */
    height: 100%;
    transition: transform 0.5s ease;
}

/* Each slide */
.slides3 img {
    width: 33.3333%;
    height: 100%;
    object-fit: cover;
}

.slides4 {
    display: flex;
    width: 400%; /* 4 images */
    height: 100%;
    transition: transform 0.5s ease;
}

/* Each slide */
.slides4 img {
    width: 25%; /* 100 / 4 */
    height: 100%;
    object-fit: cover;
}

.slides5 {
    display: flex;
    width: 500%; /* 5 images */
    height: 100%;
    transition: transform 0.5s ease;
}

/* Each slide */
.slides5 img {
    width: 20%; 
    height: 100%;
    object-fit: cover;
}

/* Position based on radio */
#s1-1:checked ~ .slides4 {
    transform: translateX(0%);
}

#s1-2:checked ~ .slides4 {
    transform: translateX(-25%);
}

#s1-3:checked ~ .slides4 {
    transform: translateX(-50%);
}

#s1-4:checked ~ .slides4 {
    transform: translateX(-75%);
}

#s2-1:checked ~ .slides4 {
    transform: translateX(0%);
}

#s2-2:checked ~ .slides4 {
    transform: translateX(-25%);
}

#s2-3:checked ~ .slides4 {
    transform: translateX(-50%);
}

#s2-4:checked ~ .slides4 {
    transform: translateX(-75%);
}

#s3-1:checked ~ .slides3 {
    transform: translateX(0%);
}

#s3-2:checked ~ .slides3 {
    transform: translateX(-33.3333%);
}

#s3-3:checked ~ .slides3 {
    transform: translateX(-66.6666%);
}

#s5-1:checked ~ .slides4 {
    transform: translateX(0%);
}

#s5-2:checked ~ .slides4 {
    transform: translateX(-25%);
}

#s5-3:checked ~ .slides4 {
    transform: translateX(-50%);
}

#s5-4:checked ~ .slides4{
    transform: translateX(-75%);
}

#s6-1:checked ~ .slides3 {
    transform: translateX(0%);
}

#s6-2:checked ~ .slides3 {
    transform: translateX(-33.3333%);
}

#s6-3:checked ~ .slides3 {
    transform: translateX(-66.6666%);
}

#s7-1:checked ~ .slides5 {
    transform: translateX(0%);
}

#s7-2:checked ~ .slides5 {
    transform: translateX(-20%);
}

#s7-3:checked ~ .slides5 {
    transform: translateX(-40%);
}

#s7-4:checked ~ .slides5 {
    transform: translateX(-60%);
}

#s7-5:checked ~ .slides5 {
    transform: translateX(-80%);
}

#s9-1:checked ~ .slides5 {
    transform: translateX(0%);
}

#s9-2:checked ~ .slides5 {
    transform: translateX(-20%);
}

#s9-3:checked ~ .slides5 {
    transform: translateX(-40%);
}

#s9-4:checked ~ .slides5 {
    transform: translateX(-60%);
}

#s9-5:checked ~ .slides5 {
    transform: translateX(-80%);
}

#s10-1:checked ~ .slides4 {
    transform: translateX(0%);
}

#s10-2:checked ~ .slides4 {
    transform: translateX(-25%);
}

#s10-3:checked ~ .slides4 {
    transform: translateX(-50%);
}

#s10-4:checked ~ .slides4{
    transform: translateX(-75%);
}

#s11-1:checked ~ .slides4 {
    transform: translateX(0%);
}

#s11-2:checked ~ .slides4 {
    transform: translateX(-25%);
}

#s11-3:checked ~ .slides4 {
    transform: translateX(-50%);
}

#s11-4:checked ~ .slides4{
    transform: translateX(-75%);
}

#s13-1:checked ~ .slides3 {
    transform: translateX(0%);
}

#s13-2:checked ~ .slides3 {
    transform: translateX(-33.3333%);
}

#s13-3:checked ~ .slides3 {
    transform: translateX(-66.6666%);
}

#s19-1:checked ~ .slides4 {
    transform: translateX(0%);
}

#s19-2:checked ~ .slides4 {
    transform: translateX(-25%);
}

#s19-3:checked ~ .slides4 {
    transform: translateX(-50%);
}

#s19-4:checked ~ .slides4{
    transform: translateX(-75%);
}

#s22-1:checked ~ .slides3 {
    transform: translateX(0%);
}

#s22-2:checked ~ .slides3 {
    transform: translateX(-33.3333%);
}

#s22-3:checked ~ .slides3 {
    transform: translateX(-66.6666%);
}

#s29-1:checked ~ .slides4 {
    transform: translateX(0%);
}

#s29-2:checked ~ .slides4 {
    transform: translateX(-25%);
}

#s29-3:checked ~ .slides4 {
    transform: translateX(-50%);
}

#s29-4:checked ~ .slides4{
    transform: translateX(-75%);
}

#s31-1:checked ~ .slides5 {
    transform: translateX(0%);
}

#s31-2:checked ~ .slides5 {
    transform: translateX(-20%);
}

#s31-3:checked ~ .slides5 {
    transform: translateX(-40%);
}

#s31-4:checked ~ .slides5 {
    transform: translateX(-60%);
}

#s31-5:checked ~ .slides5 {
    transform: translateX(-80%);
}

#s34-1:checked ~ .slides5 {
    transform: translateX(0%);
}

#s34-2:checked ~ .slides5 {
    transform: translateX(-20%);
}

#s34-3:checked ~ .slides5 {
    transform: translateX(-40%);
}

#s34-4:checked ~ .slides5 {
    transform: translateX(-60%);
}

#s34-5:checked ~ .slides5 {
    transform: translateX(-80%);
}



/* DOTS */
.slider-dots {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}

.slider-dots label {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,.6);
    cursor: pointer;
}

/* ===================================================================
   Contact Form
=================================================================== */
.contact-form {
    background: #fff;
    padding: 30px;
    border-radius: .75rem;
    box-shadow: 0 10px 30px rgba(0,0,0,.08);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px 14px;
    border-radius: .5rem;
    border: 1px solid #d1d5db;
    font-family: inherit;
    font-size: 14px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #1d78b5;
}

.contact-points {
    margin-top: 20px;
    list-style: none;
    padding: 0;
}

.contact-points li {
    margin-bottom: 10px;
    font-size: 14px;
}

.contact-points i {
    color: #16a34a;
    margin-right: 8px;
}


/* ===================================================================
   FOOTER
=================================================================== */
.footer {
    background:#111827;
    color:white;
    padding:3rem 0 1.5rem;
}

.footer p{
    color:white
}

.footer-grid {
    display:grid;
    gap:2rem;
}

@media(min-width:768px){
    .footer-grid {
        grid-template-columns:1fr 1fr;
    }
}

.footer h4 {
    font-size:1.125rem;
    font-weight:600;
    margin-bottom:.75rem;
}

.footer a {
    display:block;
    margin-bottom:.5rem;
    color:#e5e7eb;
    font-size:.95rem;
}
.footer a:hover {
    color:#facc15;
}

.footer-bottom {
    width: 100%;
    text-align: center;
    font-size: .875rem;
    margin-top: 2rem;
    color: #9ca3af;
}

.social-links {
    display: flex;
    gap: 10px;
    margin-top: .75rem;
}

.social-links a {
    display: inline-flex; 
}

.social-links :hover {
    color: #facc15;
}

/* ----------------------------------
   WHATSAPP BUTTON
---------------------------------- */
.wa-btn {
    position: fixed;
    right: 20px;
    bottom: 20px;
    background: #25d366;
    color: white;
    font-size: 28px;
    padding: 14px;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.2);
}