:root {
  --ink: #182638;
  --muted: #5c6877;
  --line: #d8dee6;
  --paper: #ffffff;
  --soft: #f4f7fa;
  --navy: #14385d;
  --steel: #4f7897;
  --safety: #f2b632;
  --rust: #b86436;
  --shadow: 0 16px 40px rgba(24, 38, 56, .12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 58px;
  height: 44px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.owner-login,
.owner-logout,
.edit-toggle,
.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 11px 16px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.owner-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.owner-login,
.owner-logout {
  color: var(--navy);
  background: #fff;
  border-color: var(--line);
}

.owner-authorized .owner-login { display: none; }

.edit-toggle {
  color: var(--navy);
  background: var(--soft);
  border-color: var(--line);
}

.edit-toggle.active {
  color: var(--ink);
  background: var(--safety);
  border-color: var(--safety);
}

.btn:hover,
.owner-login:hover,
.owner-logout:hover,
.edit-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(24, 38, 56, .16);
}

.btn.primary { color: #fff; background: var(--navy); }
.btn.secondary { color: var(--ink); background: var(--safety); }
.btn.ghost { color: #fff; border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.12); }
.btn.compact { padding: 9px 12px; color: #fff; background: var(--navy); }

.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  padding: 80px clamp(18px, 5vw, 72px);
  color: #fff;
  background:
    linear-gradient(90deg, rgba(12, 30, 49, .88), rgba(12, 30, 49, .58) 52%, rgba(12, 30, 49, .18)),
    var(--hero-image, url("assets/hero-construction.jpg")) center/cover no-repeat;
}

.hero-content {
  position: relative;
  width: min(760px, 100%);
}

.hero-logo-wrap {
  position: relative;
  width: var(--hero-logo-size, 150px);
  margin: 0 0 18px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 34px rgba(0, 0, 0, .24);
}

.hero-logo-wrap img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.editing .hero-logo-wrap {
  outline: 2px solid rgba(255, 255, 255, .75);
  outline-offset: 5px;
  cursor: move;
}

.hero-logo-drag {
  position: absolute;
  left: 8px;
  bottom: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  color: var(--ink);
  background: var(--safety);
  font-size: 12px;
  font-weight: 900;
  cursor: grab;
}

.hero-logo-size {
  width: min(320px, 100%);
  display: none;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255,255,255,.9);
  font-weight: 900;
}

.owner-authorized .hero-logo-size { display: flex; }

.hero-logo-size input { flex: 1; }

.hero-upload {
  position: absolute;
  right: clamp(18px, 5vw, 72px);
  bottom: 24px;
  z-index: 2;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--safety);
  box-shadow: var(--shadow);
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
}

.hero-upload input { display: none; }

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--rust);
  font-size: clamp(18px, 2vw, 20px);
  font-weight: 900;
  text-transform: uppercase;
}

.hero .eyebrow { color: var(--safety); }

h1, h2, h3 { line-height: 1.14; margin: 0; letter-spacing: 0; }

h1 {
  font-size: clamp(42px, 7vw, 88px);
  max-width: 920px;
}

h2 { font-size: clamp(28px, 4vw, 46px); }
h3 { font-size: 20px; }

.hero-copy {
  width: min(680px, 100%);
  margin: 20px 0 28px;
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.section {
  padding: 76px clamp(18px, 5vw, 72px);
}

.band { background: var(--soft); }

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1fr);
  gap: 42px;
  align-items: start;
}

.large {
  margin: 0;
  font-size: 20px;
  color: var(--muted);
}

.strength-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 44px;
}

.strength-card {
  min-height: 96px;
  display: flex;
  align-items: center;
  padding: 18px;
  border-radius: 8px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(24, 38, 56, .08);
}

.strength-quality {
  color: #17324f;
  background: #e9f4ff;
  border: 1px solid #b9daf5;
}

.strength-time {
  color: #5b3c00;
  background: #fff2ca;
  border: 1px solid #f2d177;
}

.strength-safety {
  color: #1d4a34;
  background: #dff4e8;
  border: 1px solid #a9d9bd;
}

.strength-reliable {
  color: #5c2340;
  background: #fde6ef;
  border: 1px solid #efb4ca;
}

.section-heading {
  max-width: 850px;
  margin-bottom: 30px;
}

.section-heading.split {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.about-layout,
.certificate-grid,
.career-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel,
.service-card,
.project-card,
.experience-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(24, 38, 56, .06);
}

.panel { padding: 24px; }
.panel p { color: var(--muted); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  padding: 22px;
  min-height: 220px;
}

.service-card p,
.project-card p,
.experience-row p { color: var(--muted); }

.placeholder-card {
  border-style: solid;
  background: #fff;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 20px;
}

.filter-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--muted);
  background: #fff;
  cursor: pointer;
  font-weight: 800;
}

.filter-btn.active {
  color: var(--ink);
  background: var(--safety);
  border-color: var(--safety);
}

.project-card { overflow: hidden; }

.project-sections {
  display: grid;
  gap: 42px;
}

.project-group {
  display: grid;
  gap: 18px;
}

.project-group > h3 {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
}

.many-more-note {
  margin: 4px 0 0;
  color: var(--navy);
  font-size: 20px;
  font-weight: 900;
  text-align: center;
}

.project-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 0;
  padding: 0;
  background: #dce4ec;
  text-align: left;
  overflow: hidden;
}

.project-photo-track {
  width: 100%;
  height: 100%;
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.project-photo-slide {
  position: relative;
  flex: 0 0 100%;
  height: 100%;
  scroll-snap-align: start;
  cursor: zoom-in;
}

.project-photo-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-status {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 7px 10px;
  border-radius: 8px;
  color: #fff;
  background: var(--navy);
  font-size: 12px;
  font-weight: 900;
}

.project-status.ongoing {
  color: var(--ink);
  background: var(--safety);
}

.image-upload {
  display: none;
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--safety);
  font-size: 13px;
  font-weight: 900;
}

.editing .image-upload { display: inline-block; }
.image-upload input { display: none; }

.project-body { padding: 18px; }

.photo-remove {
  position: absolute;
  right: 12px;
  bottom: 12px;
  border: 0;
  border-radius: 8px;
  padding: 7px 9px;
  color: #fff;
  background: #a63c30;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 64px 74px;
  background: rgba(8, 14, 22, .9);
}

.photo-lightbox.open { display: flex; }

.photo-lightbox img {
  max-width: min(1100px, 100%);
  max-height: 82vh;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .4);
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--ink);
  background: #fff;
  font-weight: 900;
  cursor: pointer;
}

.lightbox-close {
  top: 18px;
  right: 18px;
}

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev { left: 18px; }
.lightbox-next { right: 18px; }

.project-meta {
  display: grid;
  gap: 4px;
  margin: 12px 0;
  font-size: 14px;
}

.project-meta span { color: var(--muted); }

.ongoing-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(24, 38, 56, .06);
}

.ongoing-project-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  text-align: left;
}

.ongoing-project-table th,
.ongoing-project-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.ongoing-project-table th {
  color: var(--navy);
  background: var(--soft);
  font-size: 13px;
  text-transform: uppercase;
}

.ongoing-project-table tbody tr:last-child td { border-bottom: 0; }

.ongoing-project-table td { color: var(--muted); }

.ongoing-project-table td:first-child {
  color: var(--ink);
  font-weight: 800;
}

.placeholder-row { background: #fffdf4; }

.photo-gallery {
  display: grid;
  gap: 18px;
}

.gallery-add-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.gallery-upload {
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  padding: 9px 12px;
  color: #fff;
  background: var(--navy);
  font-weight: 800;
  cursor: pointer;
}

.gallery-upload input { display: none; }

.gallery-scroll {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  padding-bottom: 10px;
  width: min(760px, 100%);
  max-width: 100%;
  margin: 0 auto;
}

.gallery-item {
  flex: 0 0 100%;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(24, 38, 56, .06);
  overflow: hidden;
  cursor: zoom-in;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: #dce4ec;
}

.gallery-source {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  color: var(--muted);
}

.gallery-source strong { color: var(--ink); }

.gallery-source-editor {
  flex: 1 1 320px;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
}

.gallery-source-editor input {
  flex: 1;
  min-width: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  font: inherit;
}

.owner-authorized .gallery-source-text {
  display: none;
}

.empty-project-note {
  margin: 0;
  color: var(--muted);
}

.admin-tools {
  display: none;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.editing .admin-tools,
.owner-authorized .admin-only { display: flex; }

.admin-only { display: none; }

.owner-authorized .admin-only { display: flex; }

.owner-authorized .gallery-upload,
.editing .gallery-upload {
  display: inline-flex;
}

.delete-btn {
  border: 0;
  border-radius: 8px;
  padding: 8px 10px;
  color: #fff;
  background: #a63c30;
  cursor: pointer;
  font-weight: 800;
}

.admin-tools label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.admin-tools select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

.drag-handle {
  margin: 0 0 12px;
  padding: 8px 10px;
  border: 1px solid var(--steel);
  border-radius: 8px;
  color: var(--navy);
  background: #edf6ff;
  font-size: 13px;
  font-weight: 900;
  cursor: grab;
  user-select: none;
}

.project-card .drag-handle {
  margin: 12px 12px 0;
}

.drag-handle:active { cursor: grabbing; }

.project-add-actions {
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.btn.secondary-action {
  color: var(--ink);
  background: var(--safety);
}

.experience-table {
  display: grid;
  gap: 12px;
}

.experience-row {
  display: grid;
  grid-template-columns: .55fr 1.5fr .9fr .8fr .75fr;
  gap: 18px;
  padding: 18px;
}

.experience-row strong { display: block; margin-bottom: 6px; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.why-grid div {
  padding: 18px;
  border-left: 5px solid var(--safety);
  background: var(--soft);
  font-weight: 800;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1fr);
  gap: 36px;
  background: var(--ink);
  color: #fff;
}

.contact-copy p { color: rgba(255,255,255,.78); }

.map-placeholder {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 8px;
  color: rgba(255,255,255,.78);
}

.quote-form {
  display: grid;
  gap: 12px;
  padding: 24px;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

.quote-form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  font-weight: 800;
}

.quote-form input,
.quote-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font: inherit;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, .35fr);
  gap: 24px;
  padding: 42px clamp(18px, 5vw, 72px);
  color: #dce4ec;
  background: #101a27;
}

.site-footer a,
.site-footer p {
  display: block;
  margin: 8px 0 0;
  color: #aeb9c6;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 62px;
  height: 46px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  padding: 4px;
}

.footer-owner-panel .owner-login,
.footer-owner-panel .owner-logout,
.footer-owner-panel .edit-toggle {
  width: 100%;
  justify-content: center;
}

.copyright {
  grid-column: 1 / -1;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.12);
}

.editable[contenteditable="true"] {
  outline: 0;
  outline-offset: 4px;
  border-radius: 4px;
}

.edit-help {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  width: min(360px, calc(100vw - 36px));
  padding: 14px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--safety);
  box-shadow: var(--shadow);
  font-weight: 800;
}

body:not(.editing) .edit-help { display: none; }

.owner-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(16, 26, 39, .58);
}

.owner-modal.open { display: flex; }

.owner-card {
  width: min(420px, 100%);
  padding: 24px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.owner-card h2 {
  margin: 0 0 16px;
  font-size: 24px;
}

.owner-card label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 800;
}

.owner-card input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  color: var(--ink);
  font: inherit;
}

.owner-error {
  min-height: 22px;
  margin: 10px 0;
  color: #b83232;
  font-weight: 800;
}

.owner-modal-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.owner-modal .btn.ghost {
  color: var(--navy);
  border-color: var(--line);
  background: var(--soft);
}

@media (max-width: 980px) {
  .site-header { align-items: flex-start; flex-wrap: wrap; }
  .nav { order: 3; width: 100%; overflow-x: auto; padding-bottom: 4px; }
  .section-grid,
  .contact-section { grid-template-columns: 1fr; }
  .card-grid,
  .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .experience-row { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .brand { font-size: 14px; }
  .owner-actions { width: 100%; }
  .hero { min-height: 78vh; padding-top: 64px; }
  .photo-lightbox { padding: 58px 14px; }
  .lightbox-nav { top: auto; bottom: 16px; transform: none; }
  .hero-actions .btn,
  .contact-actions .btn { width: 100%; text-align: center; }
  .about-layout,
  .certificate-grid,
  .career-layout,
  .card-grid,
  .why-grid,
  .strength-strip,
  .site-footer { grid-template-columns: 1fr; }
  .section-heading.split { align-items: start; flex-direction: column; }
  .section { padding: 54px 18px; }
}