/* ===========================
   RESET & BASE
=========================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: #333;
  background: #fff;
  line-height: 1.7;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
}

a:hover {
  color: #f47920;

}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

ul {
  list-style: none;
}

.container {
  /* max-width: 1800px; */
  /* max-width: 60%; */
  max-width: 100%;
  margin: 0 auto;
  padding: 0 32px;
}

.orange {
  color: #f47920;
}

/* ===========================
   HEADER
=========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  box-shadow: none;
  transition: background 0.35s, box-shadow 0.35s;
}

.header.scrolled {
  /* background: rgba(255, 255, 255, 0.97); */
  background: rgba(244, 121, 32, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.13);
}

/* Transparent state — light elements */
.header .hamburger span {
  background: #fff;
}

.header .logo-text {
  color: #fff;
}

.header .header-icon {
  color: rgba(255, 255, 255, 0.85);
}

.header .lang {
  color: rgba(255, 255, 255, 0.7);
}

.header .lang.active,
.header .lang:hover {
  color: #fff;
}

.header .lang-sep {
  color: rgba(255, 255, 255, 0.35);
}

/* Scrolled state — restore dark elements */
.header.scrolled .hamburger span {
  background: #fff;
}

.header.scrolled .logo-text {
  color: #1a5f5f;
}

.header.scrolled .header-icon {
  color: #fff;
}

.header.scrolled .header-icon:hover {
  color: #f47920;
}

.header.scrolled .lang {
  color: #e1e1e1;
}

.header.scrolled .lang.active,
.header.scrolled .lang:hover {
  color: #ffffff;
}

.header.scrolled .lang-sep {
  color: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* max-width: 1800px; */
  width: 100%;
  margin: 0 auto;
  padding: 3rem 3.5rem;
  height: 66px;
  gap: 16px;
}

.header-logo img {
  width: 80%;
  /* margin: 2rem; */
}

/* Header Left group */
.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Hamburger — always visible */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  flex-shrink: 0;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #333;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s, width 0.3s, background 0.35s;
  transform-origin: center;
}

.hamburger span:nth-child(2) {
  width: 18px;
}

.hamburger:hover span {
  background: #f47920;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: #f47920;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
}

.logo-ae {
  font-size: 14px;
  font-weight: 900;
  color: #fff;
  letter-spacing: 1px;
}

.logo-text {
  font-size: 11px;
  font-weight: 700;
  color: #1a5f5f;
  letter-spacing: 2.5px;
  transition: color 0.35s;
}

/* Header Right */
.header-right {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
}

.header-icon {
  color: #555;
  font-size: 20px;
  transition: color 0.2s;
}

.header-icon:hover {
  color: #f47920;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 16px;
  /* font-weight: 700; */
}

.lang {
  color: #888;
  transition: color 0.2s;
}

.lang:hover,
.lang.active {
  color: #f47920;
}

.lang-sep {
  color: #ccc;
}

/* ===========================
   SIDEBAR
=========================== */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1499;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.sidebar-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 40%;
  height: 100vh;
  /* background: #163030; */
  background: #ff7a15;
  z-index: 1500;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  -webkit-transform: translateX(100%);
  -moz-transform: translateX(100%);
  -ms-transform: translateX(100%);
  -o-transform: translateX(100%);
}

.sidebar.open {
  transform: translateX(0);
  -webkit-transform: translateX(0);
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -o-transform: translateX(0);
}

/* Sidebar Header */
.sidebar-head {
  display: flex;
  align-items: center;
  /* justify-content: space-between; */
  justify-content: end;
  padding: 22px 28px 20px;
  /* border-bottom: 1px solid rgba(255, 255, 255, 0.08); */
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-logo .logo-text {
  color: #fff;
  letter-spacing: 2.5px;
}

.sidebar-close {
  background: none;
  border: none;
  /* color: rgba(255, 255, 255, 0.6); */
  color: #000;
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}

.sidebar-close:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* Sidebar Nav */
.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 14px;
  /* padding: 14px 28px; */
  padding: 0.5rem 2rem;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  /* color: rgba(255, 255, 255, 0.65); */
  color: #000;
  border-left: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  /* stagger in animation */
  opacity: 0;
  transform: translateX(-16px);
  transition: color 0.2s, border-color 0.2s, background 0.2s,
    opacity 0.35s ease, transform 0.35s ease;
}

.sidebar-link i {
  font-size: 15px;
  width: 20px;
  text-align: center;
  color: #4dc4c4;
  transition: color 0.2s;
}

.sidebar-link:hover {
  color: #fff;
  border-left-color: #f47920;
  background: rgba(255, 255, 255, 0.05);
}

.sidebar-link:hover i {
  color: #f47920;
}

.sidebar-link.active {
  color: #fff;
  border-left-color: #f47920;
  background: rgba(244, 121, 32, 0.1);
}

.sidebar-link.active i {
  color: #f47920;
}

/* Stagger animation when sidebar opens */
.sidebar.open .sidebar-link {
  opacity: 1;
  transform: translateX(0);
}

.sidebar.open .sidebar-link:nth-child(1) {
  transition-delay: 0.08s;
}

.sidebar.open .sidebar-link:nth-child(2) {
  transition-delay: 0.13s;
}

.sidebar.open .sidebar-link:nth-child(3) {
  transition-delay: 0.18s;
}

.sidebar.open .sidebar-link:nth-child(4) {
  transition-delay: 0.23s;
}

.sidebar.open .sidebar-link:nth-child(5) {
  transition-delay: 0.28s;
}

.sidebar.open .sidebar-link:nth-child(6) {
  transition-delay: 0.33s;
}

/* Sidebar Footer */
.sidebar-foot {
  padding: 24px 28px;
  /* border-top: 1px solid rgba(255, 255, 255, 0.08); */
}

.sidebar-foot .social-icons {
  margin-top: 0;
}

.sidebar-foot .social-icons a {
  /* background: rgba(255, 255, 255, 0.08); */
  /* color: rgba(255, 255, 255, 0.7); */
  color: #000
}

.sidebar-foot .social-icons a:hover {
  background: #f47920;
  color: #fff;
}

.sidebar-copy {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
  margin-top: 16px;
  line-height: 1.6;
}

/* ===========================
   HOME HERO
=========================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 520px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a5f5f, #2d8a7a, #4aabab);
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(0, 0, 0, 0.6) 0%,
      /* ด้านบนเข้ม */
      rgba(0, 0, 0, 0.2) 10%,
      /* เริ่มสว่าง */
      rgba(0, 0, 0, 0.1) 30%,
      rgba(0, 0, 0, 0.1) 80%,
      /* กลางสว่างสุด */
      rgba(0, 0, 0, 0.2) 90%,
      /* เริ่มเข้มอีก */
      rgba(0, 0, 0, 0.6) 100%
      /* ด้านล่างเข้ม */
    );
  border-bottom: 8px solid #02c1b5;
}

.hero-content {
  position: absolute;
  bottom: 90px;
  left: 64px;
  color: #fff;
}

.hero-location {
  font-size: 18px;
  letter-spacing: 3px;
  margin-bottom: 8px;
  opacity: 0.9;
}

.hero-title {
  font-size: clamp(35px, 4vw, 48px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero-dot {
  position: absolute;
  bottom: 90px;
  right: 64px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #4aabab;
  box-shadow: 0 0 0 4px rgba(74, 171, 171, 0.3);
}

/* ===========================
   HERO SLIDER
=========================== */
.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s ease;
  pointer-events: none;
}

.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.hero-dots {
  position: absolute;
  bottom: 86px;
  right: 102px;
  left: auto;
  transform: none;
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-dot-btn {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.25s, transform 0.25s;
}

.hero-dot-btn.active {
  border: 2px solid #02c1b5;
  background: transparent;
  transform: scale(1.4);
}

/* ===========================
   PAGE HERO (inner pages)
=========================== */
.page-hero {
  position: relative;
  height: 450px;
  overflow: hidden;
  /* margin-top: 66px; */
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a3a3a, #2a5a5a);
}

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  border-bottom: 8px solid #02c1b5;
}

.page-hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
}

.page-hero-sub {
  font-size: 16px;
  letter-spacing: 3px;
  opacity: 0.75;
  /* margin-bottom: 10px; */
  text-transform: uppercase;
}

.page-hero-title {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.page-hero-accent {
  /* position: absolute; */
  /* bottom: 0; */
  /* left: 0; */
  /* width: 100%; */
  /* height: 4px; */
  /* background: #4dc4c4; */
}

/* ===========================
   HOME: ABOUT SECTION
=========================== */
.about-section {
  width: 90%;
  margin: 0 auto;
  padding: 100px 0;
  background: #fff;

}

.about-frame {
  /*max-width: 1800px;*/
  width: 100%;
  margin: 0 auto;
  text-align: center;
  padding: 52px 25rem;
  position: relative;
}

.about-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 100%;
  background:
    linear-gradient(#ccc, #ccc) left top / 3px 100% no-repeat,
    linear-gradient(#ccc, #ccc) top left / 30px 3px no-repeat,
    linear-gradient(#ccc, #ccc) left center / 30px 3px no-repeat,
    linear-gradient(#ccc, #ccc) bottom left / 30px 3px no-repeat;
}

.about-frame::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 100%;
  background:
    linear-gradient(#ccc, #ccc) right top / 3px 100% no-repeat,
    linear-gradient(#ccc, #ccc) top right / 30px 3px no-repeat,
    linear-gradient(#ccc, #ccc) right center / 30px 3px no-repeat,
    linear-gradient(#ccc, #ccc) bottom right / 30px 3px no-repeat;
}

.about-title {
  font-size: clamp(24px, 2.5vw, 34px);
  font-weight: 900;
  color: #222;
  letter-spacing: 1px;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-desc {
  font-size: 16px;
  color: #555;
  line-height: 1.85;
  margin-bottom: 32px;
}

/* ===========================
   BUTTONS
=========================== */
.btn-orange {
  display: inline-block;
  padding: 11px 30px;
  background: #f47920;
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1.5px;
  border-radius: 2px;
  border: 2px solid #f47920;
  cursor: pointer;
  transition: background 0.25s, transform 0.2s;
}

.btn-orange:hover {
  background: transparent;
  border-color: #f47920;
  transform: translateY(-1px);
  -webkit-transform: translateY(-1px);
  -moz-transform: translateY(-1px);
  -ms-transform: translateY(-1px);
  -o-transform: translateY(-1px);
  color: #f47920;
}

.btn-orange-outline {
  display: inline-block;
  width: fit-content;
  align-self: flex-start;
  padding: 11px 30px;
  background-color: #f47920;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.5px;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.2s;
  text-align: center;
}

.btn-orange-outline:hover {
  border: 2px solid #f47920;
  background-color: transparent;
  color: #f47920;
  /* transform: translateY(-1px); */
}

/* ===========================
   HOME: OUR SERVICE
=========================== */
.service-section {
  width: 90%;
  padding: 88px 0;
  background: transparent;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: clamp(30px, 2.5vw, 34px);
  font-weight: 900;
  letter-spacing: 2px;
  color: #222;
  margin-bottom: 56px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.service-card {
  background: #fff;
}

.service-img-wrap {
  /* width: 90%; */
  /* height: 230px; */
  /* margin: 0 auto; */
  overflow: hidden;
  background: #bbb;
  border-bottom: 8px solid #02c1b5;
}

.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(25%);
  transition: filter 0.3s, transform 0.4s;
}

.service-card:hover .service-img-wrap img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.service-name {
  font-size: 20px;
  font-weight: 700;
  color: #222;
  margin: 18px 0 8px;
}

.service-desc {
  font-size: 16px;
  color: #666;
  line-height: 1.75;
}

/* ===========================
   HOME: LATEST PROJECT
=========================== */
.project-section {
  background: #fff;
  width: 90%;
  margin: 3rem auto 7rem auto;

}

.project-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  min-height: 460px;
  /* border-right: 3px solid #ccc; */
  position: relative;
}


.project-inner::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 44px;
  /* height: 100%; */
  border-bottom: 3px solid #ccc;
  border-right: 3px solid #ccc;
}

.project-inner::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 44px;
  height: 100%;
  border-bottom: 3px solid #ccc;
  border-right: 3px solid #ccc;
}


.project-img-col {
  background: linear-gradient(135deg, #7ba592, #a5c8b0);
  overflow: hidden;
}

.project-img-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-content-col {
  margin: 0 3rem;
  padding-right: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-label {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 3px;
  color: #000;
  margin-bottom: 14px;
  display: block;
}

.project-title {
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 900;
  color: #222;
  letter-spacing: 1px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.project-desc {
  font-size: 16px;
  color: #666;
  line-height: 1.85;
  margin-bottom: 40px;
}

/* ===========================
   ABOUT US PAGE
=========================== */
.about-page-section {
  padding: 88px 0;
  background: #fff;
  width: 60%;
  margin: 0 auto;
}

.about-page-heading {
  margin-bottom: 52px;
  text-align: center;
}

.about-page-heading .orange-title {
  font-size: clamp(30px, 2vw, 30px);
  font-weight: 900;
  color: #f47920;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.about-page-heading .black-title {
  font-size: clamp(30px, 2.5vw, 30px);
  font-weight: 900;
  color: #222;
  letter-spacing: 1px;
}

.about-page-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 56px;
}

.about-page-row.reverse {
  grid-template-columns: 1.5fr 1fr !important;
  transform: translateY(-150px);
  -webkit-transform: translateY(-150px);
  -moz-transform: translateY(-150px);
  -ms-transform: translateY(-150px);
  -o-transform: translateY(-150px);
}

/* .about-page-row.reverse>* {
  direction: ltr;
} */

.about-text {
  margin: auto 0;
}

.about-text p {
  font-size: 14pt;
  color: #3b3a3a;
  line-height: 1.9;
  margin-bottom: 20px;
}

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

.about-img-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-img-wrap {
  width: 100%;
  overflow: hidden;
  background: #ccc;
}

.about-img-wrap.tall {
  height: 220px;
}

.about-img-wrap.short {
  height: 180px;
}

.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.about-img-wrap:hover img {
  transform: scale(1.04);
}

.about-single-img {
  width: 100%;
  /* height: 340px; */
  overflow: hidden;
  background: #ccc;
}

.about-single-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: #fff;
  padding: 2rem 2rem 0 0;
}

/* ===========================
   ACTIVITIES PAGE
=========================== */
.activities-section {
  padding: 4rem 0;
  background: #fff;
  width: 90%;
  margin: 0 auto;
}

.activities-header {
  margin-bottom: 36px;
  text-align: center;
}

.activities-header h2 {
  font-size: clamp(30px, 2vw, 30px);
  font-weight: 900;
  color: #222;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.filter-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 16px;
  color: #000;
}

.filter-row label {
  font-weight: 600;
  white-space: nowrap;
}

.filter-select {
  padding: 8px 36px 8px 14px;
  border: none;
  border-bottom: 1px solid #000;
  border-radius: 3px;
  font-size: 13px;
  color: #333;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23999'/%3E%3C/svg%3E") no-repeat right 12px center;
  appearance: none;
  cursor: pointer;
  min-width: 180px;
}

.filter-select:focus {
  outline: none;
  border-color: #f47920;
}

.activity-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.activity-gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #ccc;
  cursor: pointer;
  position: relative;
}

.activity-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.activity-gallery-item:hover img {
  transform: scale(1.06);
}

.activity-gallery-item .item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(244, 121, 32, 0);
  transition: background 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.activity-gallery-item:hover .item-overlay {
  background: rgba(244, 121, 32, 0.15);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox-img-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 80vw;
  max-height: 85vh;
  overflow: hidden;
}

.lightbox img {
  max-width: 80vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 2px;
  transition: transform 0.2s ease;
  transform-origin: center center;
  user-select: none;
  pointer-events: none;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 16px;
  color: #fff;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.85;
  transition: opacity 0.2s, background 0.2s;
  z-index: 2;
}

.lightbox-close:hover {
  opacity: 1;
  background: rgba(244, 121, 32, 0.85);
  border-color: #f47920;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  z-index: 2;
}

.lightbox-nav:hover {
  background: rgba(244, 121, 32, 0.85);
  border-color: #f47920;
}

.lightbox-prev {
  left: 24px;
}

.lightbox-next {
  right: 24px;
}

.lightbox-toolbar {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.lightbox-tool {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
}

.lightbox-tool:hover {
  background: rgba(244, 121, 32, 0.85);
  border-color: #f47920;
}

.lightbox-counter {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  z-index: 2;
}

/* ===========================
   CONTACT US PAGE
=========================== */
.contact-section {
  padding: 88px 0;
  background: #fff;
  width: 60%;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 72px;
  align-items: start;
}

.contact-address h3 {
  font-size: 24px;
  font-weight: 900;
  color: #f47920;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.contact-address .company-name {
  font-size: 16px;
  font-weight: 700;
  color: #222;
  margin-bottom: 8px;
}

.contact-address .addr-text {
  font-size: 16px;
  color: #000;
  line-height: 1.85;
  margin-bottom: 20px;
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-detail-list li {
  font-size: 16px;
  color: #000;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px;
}

.contact-detail-list li .label {
  font-weight: 600;
  color: #000;
}

.contact-form-col h3 {
  font-size: 24px;
  font-weight: 900;
  color: #f47920;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #333;
  margin-bottom: 6px;
}

.form-group label .req {
  color: #f47920;
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: none;
  border-bottom: 1px solid #ccc;
  border-radius: 2px;
  font-size: 13.5px;
  color: #333;
  font-family: inherit;
  transition: border-color 0.2s;
  background: #fff;
}

.form-control:focus {
  outline: none;
  border-color: #f47920;
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.g-recaptcha {
  padding-bottom: 1rem;
}

.recaptcha-box {
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  background: #f9f9f9;
}

.recaptcha-box input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.recaptcha-box span {
  font-size: 13px;
  color: #555;
}

.mt-5 {
  margin-top: 3rem;
}

.map-section {
  width: 90%;
  padding-bottom: 60px;
  background: #fff;
  margin: 0 auto;

}

.map-section iframe {
  width: 100%;
  height: 600px;
  border: none;
  display: block;
}

/* ===========================
   OUR SERVICES PAGE
=========================== */
.services-page-section {
  padding: 88px 0;
  width: 90%;
  margin: 0 auto;
  background: #fff;
}

.services-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.service-page-card {
  background: #fff;
}

.service-page-img {
  width: 100%;
  /* height: 260px; */
  overflow: hidden;
  background: #bbb;
  margin-bottom: 20px;
}

.service-page-img img {
  width: 100%;
  height: 100%;

  object-fit: cover;
  /*filter: grayscale(20%);
  */
  transition: filter 0.3s, transform 0.4s;
  /* -webkit-filter: grayscale(20%); */
  -webkit-transition: filter 0.3s, transform 0.4s;
  -moz-transition: filter 0.3s, transform 0.4s;
  -ms-transition: filter 0.3s, transform 0.4s;
  -o-transition: filter 0.3s, transform 0.4s;
}

.service-page-card:hover .service-page-img img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.service-page-name {
  font-size: 20px;
  font-weight: 700;
  color: #222;
  margin-bottom: 10px;
}

.service-page-desc {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
}

/* ===========================
   OUR PROJECTS PAGE
=========================== */
.projects-page-section {
  padding: 0 0 88px;
  background: #fff;
}

/* Filter bar — full-width light strip */
.projects-filter-bar {
  background: #fff;
  border-bottom: 1px solid #000;
  padding: 2rem 0 2rem;
  width: 96%;
  margin: 0 auto 3rem auto;
}

.projects-filter-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 0 auto;
  padding: 0 8px;
  width: fit-content;
  max-width: 100%;
}

/* Search — left */
.projects-search {
  display: flex;
  align-items: center;
  border: 1px solid #252525;
  border-radius: 999px;
  padding: 0.8rem;
  width: 400px;

  /*height: 40px;
  */
  background: #1f1f1f;
  flex-shrink: 0;
  -webkit-border-radius: 999px;
  -moz-border-radius: 999px;
  -ms-border-radius: 999px;
  -o-border-radius: 999px;
}

.projects-search .search-icon {
  color: rgba(255, 255, 255, 0.55);
  font-size: 16px;
  flex-shrink: 0;
  margin-right: 6px;
}

.project-category-select {
  background: none;
  border: none;
  outline: none;
  padding: 0;
  font-size: 14px;
  color: #b1b1b1;
  font-family: inherit;
  width: 100%;
  line-height: 1;
  appearance: none;
  cursor: pointer;
  padding-right: 12px;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23ffffff' fill-opacity='0.6'/%3E%3C/svg%3E") no-repeat right center;
}

.project-category-select option {
  color: #333;
  background: #fff;
}

.projects-search:focus-within {
  border-color: #f47920;
}

.filter-divider {
  width: 1px;
  height: 18px;
  background: #d8d8d8;
  flex-shrink: 0;
}

/* Tabs — center */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  min-width: 0;
  flex-wrap: wrap;
}

.sort-label {
  font-size: 14px;
  font-weight: 600;
  color: #000;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.sort-toggle-btn {
  padding: 0.8rem 1.2rem;
  font-size: 12px;
  /* font-weight: 600; */
  letter-spacing: 0.6px;
  border: 1px solid transparent;
  background: transparent;
  background: #f2f2f2;
  color: #8a8a8a;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  border-radius: 999px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sort-toggle-btn.active,
.sort-toggle-btn:hover {
  background: #2c2c2c;
  color: #fff;
  border-color: #2c2c2c;
}

.sort-arrow {
  font-size: 10px;
  line-height: 1;
}

/* Sort selects — right */
.projects-sort-selects {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.projects-total {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.4px;
  color: #000;
  white-space: nowrap;
}

.projects-total-label {
  /* font-weight: 600; */
}

.projects-total-count {
  font-weight: 700;
  color: #2c2c2c;
}

.projects-total-text {
  color: #000;
  font-weight: 700;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #bbb;
  cursor: pointer;
  display: block;
}

.project-card-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s;
}

.project-card-item:hover img {
  transform: scale(1.07);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0) 55%);
  transition: background 0.3s;
}

.project-card-item:hover .project-card-overlay {
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.1) 60%);
}

.project-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1rem 1.5rem 2rem;
  color: #fff;
}

.project-card-type {
  font-size: 16px;
  letter-spacing: 2px;
  color: #ccc;
  margin-bottom: 4px;
  font-weight: 300;
  text-transform: uppercase;
}

.project-card-name {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===========================
   PROJECT DETAIL PAGE
=========================== */
.project-detail-hero {
  position: relative;
  height: 100vh;
  min-height: 500px;
  overflow: hidden;
  /* margin-top: 66px; */
}

.project-detail-hero .hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #2a5a5a, #1a3a3a);
}

.project-detail-hero .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-detail-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
      rgba(0, 0, 0, 0.6) 0%,
      rgba(0, 0, 0, 0.2) 50%,
      rgba(0, 0, 0, 0.15) 100%);
}

.project-detail-hero .hero-content {
  position: absolute;
  bottom: 80px;
  left: 64px;
  color: #fff;
}

.project-detail-hero .hero-content .hero-sub {
  font-size: 16px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.project-detail-hero .hero-content .hero-name {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.1;
}

.project-detail-hero .page-hero-accent {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: #4dc4c4;
}

.hero-scroll-arrow {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 20px;
  opacity: 0.7;
  animation: bounce 1.6s infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(6px);
  }
}

.project-detail-section {
  padding: 72px 0 60px;
  background: #fff;
  width: 60%;
  margin: 0 auto;
}

.project-detail-text {
  max-width: 820px;
  margin: 0 auto 64px;
}

.project-detail-text p {
  font-size: 16px;
  color: #555;
  line-height: 1.9;
  margin-bottom: 20px;
}


.project-detail-text p:last-child {
  margin-bottom: 0;
}


.project-detail-text ul {
  padding: 0 40px;
  list-style: disc;
}

.project-detail-divider {
  border: none;
  border-top: 1px solid #333;
  margin: 56px 0;
}

.project-detail-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 64px;
}

.detail-gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #ccc;
  cursor: pointer;
}

.detail-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.detail-gallery-item:hover img {
  transform: scale(1.06);
}

.project-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-top: 1px solid #e0e0e0;
}

.project-nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  background-color: #000;
  color: #fff;
  padding: 10px 20px;
  border: 1px solid #ddd;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-transform: uppercase;
}

.project-nav-btn:hover {
  background: #f47920;
  color: #fff;
  border-color: #f47920;
}

/* ===========================
   FOOTER
=========================== */
.footer {
  border-top: 8px solid #02c1b5;
  color: #cde0e0;
  padding-top: 60px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1.8fr 1.4fr;
  gap: 40px;
  max-width: 70%;
  margin: 0 auto;
  padding: 0 32px 52px;
}

.footer-inner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid #cccccc37;
}

.footer-inner-logo-canter {
  display: flex;
  justify-content: center;
  width: 100%;
}

.footer-inner-logo-canter img {
  width: 100% !important;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.footer-logo-icon {
  width: 44px;
  height: 44px;
  background: #f47920;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  flex-shrink: 0;
}

.footer-logo-text {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
  line-height: 1.1;
}

.footer-logo-text span {
  font-size: 10px;
  font-weight: 400;
  display: block;
  letter-spacing: 1px;
  color: #a8cccc;
}

.footer-heading {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #f47920;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-list li a {
  font-size: 16px;
  color: #fff;
  transition: color 0.2s;
}

.footer-list li a:hover {
  color: #f47920;
}

.contact-list li {
  font-size: 16px;
  color: #e5e5e5;
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: flex-start;
  gap: 8px 12px;
}

.contact-label {
  /* font-weight: 700; */
  color: #ffffff;
}

.contact-value {
  color: #fff;
  word-break: break-word;
}

.footer-social {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #f47920;
  margin-top: 24px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.social-icons {
  display: flex;
  gap: 20px;
}

.social-icons a {
  /*width: 32px;
  */
  /*height: 32px;
  */
  /* border-radius: 50%; */
  /*background: rgba(255, 255, 255, 0.1);
  */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  transition: background 0.2s, color 0.2s;
  /* -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%; */
}

.social-icons a:hover {
  /* background: #f47920; */
  color: #f47920;
}

.footer-address {
  font-size: 16px;
  color: #e5e5e5;
  line-height: 1.85;
}

.footer-bottom {
  /* border-top: 1px solid rgba(255, 255, 255, 0.1); */
  text-align: center;
  padding: 18px 32px;
  font-size: 16px;
  color: #000;
}

/* ===========================
   SCROLL ANIMATIONS
=========================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  -webkit-transform: translateY(0);
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -o-transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}


/* ===========================
   BACK TO TOP
=========================== */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #f47920;
  color: #fff;
  border: none;
  cursor: pointer;
  z-index: 2500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);

  display: flex;
  align-items: center;
  justify-content: center;

  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #f47920;
}

.back-to-top:focus-visible {
  outline: 3px solid rgba(2, 193, 181, 0.35);
  outline-offset: 2px;
}

/* ===========================
   RESPONSIVE
=========================== */


@media (max-width:1740px) {


  .about-page-section {
    width: 75%;
  }
}

@media (max-width:1502px) {
  .about-page-row.reverse {
    transform: translateY(0) !important;
    -webkit-transform: translateY(0) !important;
    -moz-transform: translateY(0) !important;
    -ms-transform: translateY(0) !important;
    -o-transform: translateY(0) !important;
  }
}

@media (max-width: 1024px) {
  .nav-main {
    gap: 18px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .project-content-col {
    padding: 60px 48px;
  }

  .about-section {
    padding: 80px 0;
  }

  .about-frame {
    padding: 52px 6rem;
  }

  .service-section {
    padding: 70px 0;
  }
}

@media (max-width: 1329px) {
  .about-frame {
    padding: 52px 10rem;
  }
}

@media (max-width: 860px) {

  .service-grid,
  .services-page-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-section {
    padding: 64px 0;
  }

  .about-frame {
    padding: 44px 2.5rem;
  }

  .service-section {
    padding: 56px 0;
  }

  .section-title {
    margin-bottom: 40px;
  }

  .project-inner {
    grid-template-columns: 1fr;
  }

  .project-img-col {
    height: 320px;
  }

  .project-content-col {
    padding: 52px 32px;
  }

  .about-page-row,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-page-row.reverse {
    direction: ltr;
  }

  .projects-grid,
  .activity-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-detail-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-content {
    left: 32px;
    bottom: 64px;
  }

  .project-detail-hero .hero-content {
    left: 32px;
    bottom: 64px;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 20px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .projects-grid,
  .activity-gallery {
    grid-template-columns: 1fr;
  }

  .project-detail-gallery {
    grid-template-columns: 1fr;
  }

  .projects-filter-inner {
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-start;
  }

  .projects-search {
    width: 100%;
    max-width: 240px;
  }

  .filter-tabs {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .filter-divider {
    display: none;
  }

  .projects-sort-selects {
    margin-left: 0;
    flex-wrap: wrap;
  }

  .about-section {
    padding: 48px 0;
  }

  .about-frame {
    padding: 36px 3rem;
  }

  .service-section {
    padding: 44px 0 0 0;
    width: 100%;
  }

  .service-grid {
    gap: 25px;
  }

  .service-grid,
  .services-page-grid {
    grid-template-columns: 1fr;
  }

  .project-section {
    width: 100%;
    margin: 2rem auto 2rem auto;
  }

  .project-content-col {
    padding: 1.5rem 0;
    margin: 0 1rem;
  }

  .project-inner::before {
    border: none;
  }

  .project-inner::after {
    border: none;
  }

  .project-desc {
    margin-bottom: 1.5rem;
  }


  .section-title {
    margin-bottom: 32px;
  }

  .footer-inner {
    max-width: 100%;
    padding: 0 20px 3rem;
  }

  .footer-bottom {
    padding: 16px 20px;
  }

  .footer-inner-logo-canter {
    width: 55%;
  }

  .footer-heading {
    margin-bottom: 6px;
  }

  .footer-list {
    gap: 6px;
  }

  .header-logo img {
    width: 42%;
  }

  .hero-dots {
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    bottom: 33px;
    align-items: center;
    gap: 12px;
  }

  .about-section {
    width: 100%;
  }

  .sidebar {
    width: 100%;
  }

  .services-page-section {
    width: 100%;
    padding: 1.5rem 0;
  }

  .services-page-grid {
    gap: 25px
  }

  .projects-filter-inner {
    justify-content: center;
  }

  .projects-page-section {
    padding: 0 0 20px;
  }

  .activities-section {
    width: 100%;
  }

  .activity-gallery {
    gap: 20px;
  }

  .about-page-section {
    width: 100%;
  }

  .about-page-section {
    padding: 2rem 0 2rem;
  }

  .about-page-heading {
    margin-bottom: 20px;
  }

  .about-page-row.reverse {
    grid-template-columns: 1fr !important;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
  }

  .about-single-img img {
    padding: 0;
  }

  .about-page-row {
    margin-bottom: 20px
  }

  .about-page-row,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-section {
    width: 100%;
    padding: 2rem 0;
  }

  .about-page-row,
  .contact-grid {
    gap: 30px;
  }

  .contact-address h3,
  .contact-form-col h3 {
    margin-bottom: 0;
  }

  .map-section {
    width: 100%;
  }

  .map-section iframe {
    height: 400px;
  }

  .project-detail-section {
    width: 100%;
    padding: 2rem 0 1rem;
  }

  .project-detail-gallery {
    gap: 20px
  }
}