:root {
    --green-dark: #0A3D22;
    --green-primary: #006030;
    --green-mid: #2E8F52;
    --green-light: #E7F2EA;
    --gold: #F5D100;
    --gold-dark: #D4B400;
    --red-accent: #D42020;
    --ink: #16241C;
    --paper: #FBFBF8;
    --gray: #F5F5F2;
    --white: #FFFFFF;
    --shadow: 0 10px 30px rgba(10,61,34,0.12);
    --shadow-hover: 0 18px 40px rgba(10,61,34,0.2);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Sarabun', sans-serif;
    background: var(--paper);
    color: var(--ink);
    overflow-x: hidden;
  }

  h1, h2, h3, .display {
    font-family: 'Kanit', sans-serif;
  }

  img { max-width: 100%; display: block; }

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

  button { font-family: inherit; cursor: pointer; border: none; }

  .container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* ---------- reveal animation ---------- */
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  .reveal.in-view {
    opacity: 1;
    transform: translateY(0);
  }
  @media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
  }

  /* ---------- NAVBAR ---------- */
  .navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 8px 0;
    transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
    background: transparent;
  }
  .navbar.scrolled {
    background: var(--green-dark);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    padding: 6px 0;
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .brand-mark {
    width: 148px; height: 148px;
    border-radius: 14px;
    background: var(--white);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    padding: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
  }
  .brand-mark img { width: 100%; height: 100%; object-fit: contain; }
  .brand-mark .brand-fallback {
    font-weight: 800; color: var(--green-primary); font-size: 20px; font-family: 'Kanit', sans-serif;
  }
  .brand-text { color: var(--white); line-height: 1.3; white-space: nowrap; display: flex; flex-direction: column; }
  .brand-text .en { font-weight: 700; font-size: 16px; letter-spacing: 0.3px; }
  .brand-text .th { font-size: 12px; opacity: 0.78; font-family: 'Sarabun', sans-serif; margin-top: 2px; }

  .lang-switch {
    display: flex;
    align-items: center;
    gap: 2px;
    background: rgba(255,255,255,0.12);
    border-radius: 20px;
    padding: 3px;
    margin-left: 8px;
    flex-shrink: 0;
  }
  .lang-switch button {
    background: none;
    color: rgba(255,255,255,0.75);
    font-size: 12.5px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 16px;
    transition: background 0.25s ease, color 0.25s ease;
  }
  .lang-switch button.active {
    background: var(--gold);
    color: var(--green-dark);
  }
  .mobile-menu .lang-switch {
    background: rgba(255,255,255,0.08);
    margin: 0 0 8px 0;
    align-self: flex-start;
  }
  .mobile-menu .lang-switch button { color: rgba(255,255,255,0.7); font-size: 13px; }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    list-style: none;
    flex-wrap: nowrap;
  }
  .nav-links li { flex-shrink: 0; }
  .nav-links a {
    display: inline-block;
    white-space: nowrap;
    color: var(--white);
    font-size: 14.5px;
    font-weight: 500;
    position: relative;
    padding-bottom: 4px;
    opacity: 0.9;
    transition: opacity 0.25s ease;
  }
  .nav-links a:hover { opacity: 1; }
  .nav-links a::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
  }
  .nav-links a:hover::after { width: 100%; }

  .nav-toggle {
    display: none;
    background: none;
    width: 34px; height: 26px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
  }
  .nav-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 0; right: 0;
    width: 78%;
    max-width: 320px;
    height: 100vh;
    background: var(--green-dark);
    z-index: 1100;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    padding: 90px 32px 32px;
    flex-direction: column;
    gap: 24px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.3);
  }
  .mobile-menu.open { transform: translateX(0); }
  .mobile-menu a {
    color: var(--white);
    font-size: 18px;
    font-weight: 500;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 14px;
  }
  .mobile-close {
    position: absolute;
    top: 22px; right: 24px;
    background: none;
    color: var(--white);
    font-size: 28px;
    line-height: 1;
  }
  .menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1050;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .menu-overlay.open { display: block; opacity: 1; }

  /* ---------- HERO ---------- */
  .hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background:
      linear-gradient(180deg, rgba(18,56,34,0.35) 0%, rgba(15,40,25,0.55) 45%, rgba(10,26,17,0.92) 100%),
      linear-gradient(135deg, #1a4a2e 0%, #123822 60%, #0b2116 100%);
    background-image:
      linear-gradient(180deg, rgba(18,56,34,0.35) 0%, rgba(15,40,25,0.55) 45%, rgba(10,26,17,0.92) 100%),
      url('images/hero-collage.jpg');
    background-size: cover;
    background-position: center;
    padding-top: 190px;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(115deg, transparent 0 90px, rgba(244,196,48,0.035) 90px 92px);
    pointer-events: none;
  }
  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    padding-bottom: 80px;
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--gold);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 22px;
  }
  .hero-eyebrow::before {
    content: '';
    width: 34px; height: 2px;
    background: var(--gold);
  }
  .hero h1 {
    color: var(--white);
    font-size: clamp(32px, 5vw, 54px);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 22px;
    text-shadow: 0 4px 24px rgba(0,0,0,0.35);
  }
  .hero p.lead {
    color: rgba(255,255,255,0.88);
    font-size: 18px;
    line-height: 1.75;
    max-width: 560px;
    margin-bottom: 38px;
  }
  .hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15.5px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  }
  .btn-gold {
    background: var(--gold);
    color: var(--green-dark);
  }
  .btn-gold:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(244,196,48,0.35); background: var(--gold-dark); }
  .btn-outline {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.65);
    color: var(--white);
  }
  .btn-outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-3px); }

  .scroll-cue {
    position: absolute;
    bottom: 28px; left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255,255,255,0.6);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .scroll-cue .line {
    width: 1px; height: 34px;
    background: rgba(255,255,255,0.45);
    position: relative;
    overflow: hidden;
  }
  .scroll-cue .line::after {
    content: '';
    position: absolute;
    top: -100%; left: 0;
    width: 100%; height: 100%;
    background: var(--gold);
    animation: dropline 1.8s infinite ease-in-out;
  }
  @keyframes dropline {
    0% { top: -100%; }
    60% { top: 100%; }
    100% { top: 100%; }
  }

  /* ---------- SECTION HEADING ---------- */
  .section-head {
    text-align: center;
    margin-bottom: 56px;
  }
  .section-head .eyebrow {
    display: block;
    color: var(--green-mid);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
  }
  .section-head.on-dark .eyebrow { color: var(--gold); }
  .section-head h2 {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 700;
    color: var(--green-dark);
    position: relative;
    display: inline-block;
  }
  .section-head.on-dark h2 { color: var(--white); }
  .section-head h2::after {
    content: '';
    position: absolute;
    bottom: -14px; left: 50%;
    transform: translateX(-50%);
    width: 56px; height: 4px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--gold) 0%, var(--gold) 68%, var(--red-accent) 68%, var(--red-accent) 100%);
  }

  /* ---------- ABOUT ---------- */
  .about {
    background: var(--white);
    padding: 110px 0;
  }
  .about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
  }
  .about-text p {
    font-size: 17px;
    line-height: 1.9;
    color: #3c4a41;
    margin-bottom: 18px;
  }
  .about-text .clients {
    display: flex;
    gap: 14px;
    margin-top: 26px;
    flex-wrap: wrap;
  }
  .client-pill {
    background: var(--green-light);
    color: var(--green-primary);
    font-weight: 600;
    font-size: 13.5px;
    padding: 9px 16px;
    border-radius: 30px;
    border: 1px solid rgba(30,86,49,0.15);
  }
  .about-photos {
    display: flex;
    gap: 14px;
    margin-top: 22px;
  }
  .about-photos img {
    flex: 1;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow);
  }

  .stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  .stat-card {
    background: linear-gradient(155deg, var(--green-primary), var(--green-dark));
    border-radius: 16px;
    padding: 32px 20px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
  .stat-card:first-child { grid-column: 1 / -1; }
  .stat-icon {
    width: 40px; height: 40px;
    margin: 0 auto 12px;
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .stat-icon svg { width: 100%; height: 100%; }
  .stat-number {
    font-family: 'Kanit', sans-serif;
    font-size: 40px;
    font-weight: 800;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 8px;
  }
  .stat-label { font-size: 14px; opacity: 0.85; }

  /* ---------- SERVICES ---------- */
  .services {
    background: var(--gray);
    padding: 110px 0;
  }
  .service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .service-card {
    background: var(--white);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
  }
  .service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
  .service-img {
    height: 230px;
    background: linear-gradient(135deg, #d9d9d3, #bfc4bd);
    background-size: cover;
    background-position: center;
    position: relative;
  }
  .service-img.insulation { background-image: linear-gradient(rgba(18,56,34,0.15),rgba(18,56,34,0.15)), url('images/service-thermal-insulation.jpg'); }
  .service-img.expansion { background-image: linear-gradient(rgba(18,56,34,0.15),rgba(18,56,34,0.15)), url('images/service-expansion-joint.jpg'); }
  .service-body { padding: 30px 30px 26px; flex: 1; display: flex; flex-direction: column; }
  .service-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--green-mid);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
  }
  .service-body h3 {
    font-size: 21px;
    color: var(--green-dark);
    margin-bottom: 18px;
    font-weight: 700;
  }
  .service-steps {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 18px;
  }
  .service-steps li {
    display: flex;
    gap: 12px;
    font-size: 14.5px;
    color: #46564b;
    align-items: flex-start;
  }
  .step-num {
    flex-shrink: 0;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: var(--green-light);
    color: var(--green-primary);
    font-size: 12px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
  }
  .mini-gallery {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
  }
  .mini-gallery img {
    flex: 1;
    height: 68px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #e2e6e1;
    transition: transform 0.3s ease;
  }
  .mini-gallery img:hover { transform: scale(1.04); }
  .detail-toggle {
    background: none;
    color: var(--green-primary);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    align-self: flex-start;
    padding: 6px 0;
  }
  .service-card:hover .detail-toggle { color: var(--green-dark); }
  .service-card:hover .detail-toggle .arrow { transform: translateX(3px); }
  .detail-toggle .arrow { transition: transform 0.25s ease; }

  /* ---------- PORTFOLIO ---------- */
  .portfolio {
    background: var(--green-dark);
    padding: 110px 0;
    position: relative;
  }
  .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
  .portfolio-item {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #2a5940, #123822);
    background-size: cover;
    background-position: center;
  }
  .portfolio-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .portfolio-item:hover img { transform: scale(1.08); }
  .portfolio-item .fallback-icon {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.25);
    font-size: 34px;
  }
  .portfolio-badge {
    position: absolute;
    bottom: 14px; left: 14px;
    background: var(--gold);
    color: var(--green-dark);
    font-weight: 700;
    font-size: 13px;
    padding: 8px 14px;
    border-radius: 8px;
    line-height: 1.3;
  }
  .portfolio-badge .en { display: block; font-size: 14px; }
  .portfolio-badge .th { display: block; font-size: 11.5px; font-weight: 500; font-family: 'Sarabun', sans-serif; }

  /* ---------- TEAM ---------- */
  .team {
    background: var(--white);
    padding: 110px 0;
  }
  .team-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px 22px;
  }
  .team-card { text-align: center; width: calc(25% - 16.5px); }
  .avatar {
    width: 100%;
    max-width: 270px;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    margin: 0 auto 16px;
    background: linear-gradient(160deg, var(--green-light), #d3e6da);
    border: 3px solid var(--gold);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    position: relative;
  }
  .avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center 15%; }
  .avatar .initials {
    font-family: 'Kanit', sans-serif;
    font-weight: 700;
    font-size: 26px;
    color: var(--green-primary);
  }
  .team-tag {
    background: var(--green-primary);
    color: var(--white);
    border-radius: 10px;
    padding: 10px 8px;
    transition: transform 0.25s ease, background 0.25s ease;
  }
  .team-card:hover .team-tag { transform: translateY(-4px); background: var(--green-dark); }
  .team-tag .th { display: block; font-size: 14px; font-weight: 600; }
  .team-tag .en { display: block; font-size: 11.5px; opacity: 0.75; margin-top: 2px; font-family: 'Sarabun', sans-serif; }

  /* ---------- CONTACT ---------- */
  .contact {
    background: var(--green-dark);
    padding: 110px 0 0;
  }
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: start;
  }
  .contact-info h3 {
    color: var(--white);
    font-size: 22px;
    margin-bottom: 26px;
    font-weight: 600;
  }
  .contact-subhead {
    color: var(--gold);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin: 22px 0 12px;
  }
  .contact-subhead:first-of-type { margin-top: 0; }
  .contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    align-items: flex-start;
  }
  .contact-icon {
    flex-shrink: 0;
    width: 44px; height: 44px;
    border-radius: 10px;
    background: rgba(244,196,48,0.14);
    color: var(--gold);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
  }
  .contact-icon svg { display: block; }
  .contact-item a, .contact-item span {
    color: rgba(255,255,255,0.85);
    font-size: 15px;
    line-height: 1.7;
  }
  .contact-item a:hover { color: var(--gold); }

  .contact-form {
    background: var(--white);
    border-radius: 18px;
    padding: 36px;
    box-shadow: var(--shadow);
  }
  .form-row { margin-bottom: 18px; }
  .form-row label {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--green-dark);
    margin-bottom: 7px;
  }
  .form-row input, .form-row textarea {
    width: 100%;
    padding: 13px 14px;
    border-radius: 9px;
    border: 1.5px solid #e2e6e1;
    font-family: 'Sarabun', sans-serif;
    font-size: 15px;
    background: var(--gray);
    transition: border-color 0.25s ease, background 0.25s ease;
  }
  .form-row input:focus, .form-row textarea:focus {
    outline: none;
    border-color: var(--green-mid);
    background: var(--white);
  }
  .form-row textarea { resize: vertical; min-height: 110px; }
  .submit-btn {
    width: 100%;
    background: var(--gold);
    color: var(--green-dark);
    padding: 15px;
    border-radius: 9px;
    font-weight: 700;
    font-size: 16px;
    transition: background 0.25s ease, transform 0.25s ease;
  }
  .submit-btn:hover { background: var(--gold-dark); transform: translateY(-2px); }

  .form-success {
    display: none;
    text-align: center;
    padding: 40px 10px;
  }
  .form-success.show { display: block; }
  .form-success .check {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: var(--green-light);
    color: var(--green-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    margin: 0 auto 18px;
  }
  .form-success h4 { color: var(--green-dark); font-size: 18px; margin-bottom: 8px; }
  .form-success p { color: #5c6b60; font-size: 14.5px; }

  .footer-bar {
    margin-top: 90px;
    padding: 22px 0;
    background: var(--green-dark);
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
  }
  .footer-bar p { color: rgba(255,255,255,0.55); font-size: 13px; }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 980px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .mobile-menu, .menu-overlay { display: flex; }
    .brand-mark { width: 90px; height: 90px; border-radius: 12px; }
    .hero { padding-top: 140px; }
    .page-hero { padding: 160px 0 60px; }
    .about-grid { grid-template-columns: 1fr; gap: 44px; }
    .service-grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
    .team-card { width: calc(33.333% - 15px); }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  }
  @media (max-width: 620px) {
    .container { padding: 0 20px; }
    .brand-mark { width: 64px; height: 64px; }
    .brand-text .en { font-size: 13px; }
    .brand-text .th { font-size: 10px; }
    .about, .services, .portfolio, .team, .contact { padding: 72px 0; }
    .portfolio-grid { grid-template-columns: 1fr 1fr; }
    .team-card { width: calc(50% - 11px); }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { justify-content: center; }
    .stats { grid-template-columns: 1fr 1fr; }
  }

  /* ---------- SERVICE DETAIL PAGES ---------- */
  .page-hero {
    position: relative;
    padding: 210px 0 70px;
    color: var(--white);
    background: linear-gradient(135deg, #0d4a28 0%, var(--green-dark) 60%, #06210f 100%);
    overflow: hidden;
  }
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(115deg, transparent 0 90px, rgba(244,196,48,0.04) 90px 92px);
    pointer-events: none;
  }
  .breadcrumb {
    position: relative;
    z-index: 2;
    font-size: 13.5px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .breadcrumb a { color: rgba(255,255,255,0.85); }
  .breadcrumb a:hover { color: var(--gold); }
  .page-hero-tag {
    position: relative;
    z-index: 2;
    display: inline-block;
    color: var(--gold);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 14px;
  }
  .page-hero h1 {
    position: relative;
    z-index: 2;
    font-size: clamp(28px, 4.2vw, 44px);
    font-weight: 700;
    margin-bottom: 18px;
    max-width: 700px;
  }
  .page-hero p.lead {
    position: relative;
    z-index: 2;
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
    max-width: 640px;
  }

  .detail-section {
    background: var(--white);
    padding: 90px 0;
  }
  .detail-section.alt { background: var(--gray); }
  .detail-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 70px;
  }
  .detail-intro img {
    border-radius: 16px;
    box-shadow: var(--shadow);
    width: 100%;
    height: 340px;
    object-fit: cover;
  }
  .detail-intro-text .eyebrow { color: var(--green-mid); font-weight: 600; font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; display: block; margin-bottom: 10px; }
  .detail-intro-text h2 { font-size: 28px; color: var(--green-dark); font-weight: 700; margin-bottom: 16px; }
  .detail-intro-text p { font-size: 16px; line-height: 1.85; color: #46564b; margin-bottom: 14px; }

  .procedure-block { margin-bottom: 64px; }
  .procedure-block:last-child { margin-bottom: 0; }
  .procedure-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 30px;
  }
  .procedure-head .num-badge {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--green-primary);
    color: var(--white);
    font-weight: 700;
    font-family: 'Kanit', sans-serif;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
  }
  .procedure-head h3 { font-size: 21px; color: var(--green-dark); font-weight: 700; }
  .procedure-head span.sub { display: block; font-size: 13.5px; color: #6b7a70; font-weight: 400; margin-top: 2px; }

  .timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .timeline-step {
    display: flex;
    gap: 20px;
    position: relative;
    padding-bottom: 26px;
  }
  .timeline-step:last-child { padding-bottom: 0; }
  .timeline-step::before {
    content: '';
    position: absolute;
    left: 17px; top: 36px; bottom: 0;
    width: 2px;
    background: #e2e6e1;
  }
  .timeline-step:last-child::before { display: none; }
  .timeline-dot {
    flex-shrink: 0;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--green-light);
    color: var(--green-primary);
    border: 2px solid var(--green-primary);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 14px;
    font-family: 'Kanit', sans-serif;
    z-index: 1;
  }
  .timeline-text { padding-top: 6px; font-size: 15px; color: #3c4a41; line-height: 1.6; }

  .detail-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
  }
  .detail-gallery img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
  }
  .detail-gallery img:hover { transform: translateY(-4px); }

  .other-service-cta {
    background: var(--green-dark);
    padding: 60px 0;
    text-align: center;
  }
  .other-service-cta p { color: rgba(255,255,255,0.75); font-size: 15px; margin-bottom: 18px; }
  .other-service-cta h3 { color: var(--white); font-size: 24px; font-weight: 700; margin-bottom: 10px; }

  @media (max-width: 700px) {
    .detail-intro { grid-template-columns: 1fr; gap: 26px; }
    .detail-intro img { height: 220px; }
    .detail-gallery { grid-template-columns: 1fr 1fr; }
  }