/* ── Reset & Tokens ── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --green-950: #0d2206;
    --green-900: #173404;
    --green-800: #27500A;
    --green-700: #3B6D11;
    --green-600: #639922;
    --green-400: #97C459;
    --green-300: #C0DD97;
    --green-100: #EAF3DE;
    --green-50:  #F4FAed;
    --teal:      #1D9E75;
    --teal-light:#5DCAA5;
    --teal-pale: #E1F5EE;
    --gray-900:  #1a1a18;
    --gray-700:  #2C2C2A;
    --gray-500:  #5F5E5A;
    --gray-300:  #B4B2A9;
    --gray-100:  #F1EFE8;
    --white:     #ffffff;
    --font-head: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --radius:    12px;
    --radius-sm: 6px;
    --shadow:    0 2px 24px rgba(39,80,10,0.08);
    --shadow-lg: 0 8px 48px rgba(39,80,10,0.14);
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  /* ── Typography ── */
  h1,h2,h3,h4 { font-family: var(--font-head); line-height: 1.15; color: var(--green-800); }
  h1 { font-size: clamp(2.4rem,5vw,3.8rem); font-weight: 800; }
  h2 { font-size: clamp(1.8rem,3.5vw,2.8rem); font-weight: 700; }
  h3 { font-size: 1.2rem; font-weight: 600; }
  p  { color: var(--gray-500); line-height: 1.8; }
  a  { color: inherit; text-decoration: none; }

  /* ── Utility ── */
  .container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
  .section    { padding: 96px 0; }
  .section-sm { padding: 64px 0; }
  .label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--teal);
    background: var(--teal-pale);
    padding: 6px 14px;
    border-radius: 99px;
    margin-bottom: 16px;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.22s ease;
  }
  .btn-primary {
    background: var(--green-800);
    color: var(--white);
  }
  .btn-primary:hover { background: var(--green-700); transform: translateY(-2px); box-shadow: var(--shadow); }
  .btn-outline {
    background: transparent;
    color: var(--green-800);
    border: 1.5px solid var(--green-300);
  }
  .btn-outline:hover { background: var(--green-100); transform: translateY(-2px); }
  .text-center { text-align: center; }
  .mt-8  { margin-top: 8px; }
  .mt-16 { margin-top: 16px; }
  .mt-24 { margin-top: 24px; }
  .mt-40 { margin-top: 40px; }
  .mt-48 { margin-top: 48px; }

  /* ── Nav ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-100);
    transition: box-shadow 0.2s;
  }
  nav.scrolled { box-shadow: var(--shadow); }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .nav-logo-text { font-family: var(--font-head); font-size: 1.15rem; font-weight: 700; color: var(--green-800); letter-spacing: 1px; }
  .nav-logo-sub  { font-size: 10px; letter-spacing: 2px; color: var(--gray-300); display: block; font-weight: 400; margin-top: -2px; }
  .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
  .nav-links a { font-size: 14px; font-weight: 400; color: var(--gray-500); transition: color 0.2s; }
  .nav-links a:hover { color: var(--green-800); }
  .nav-cta { margin-left: 16px; }

  /* hamburger */
  .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
  .hamburger span { display: block; width: 24px; height: 2px; background: var(--green-800); border-radius: 2px; transition: 0.3s; }
  .mobile-menu {
    display: none;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: 24px;
    z-index: 999;
    flex-direction: column;
    gap: 20px;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { font-size: 15px; color: var(--gray-700); font-weight: 400; }

  @media(max-width:768px) {
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: flex; }
  }

  /* ── Hero ── */
  .hero {
    padding: 160px 0 100px;
    background: linear-gradient(160deg, var(--green-50) 0%, var(--white) 55%, var(--teal-pale) 100%);
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    top: -120px; right: -120px;
    width: 520px; height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--green-100) 0%, transparent 70%);
    pointer-events: none;
  }
  .hero::after {
    content: '';
    position: absolute;
    bottom: -80px; left: -80px;
    width: 360px; height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--teal-pale) 0%, transparent 70%);
    pointer-events: none;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid var(--green-300);
    border-radius: 99px;
    padding: 6px 16px 6px 8px;
    font-size: 13px;
    color: var(--green-700);
    margin-bottom: 28px;
    box-shadow: var(--shadow);
  }
  .hero-badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); display: inline-block; }
  .hero h1 { margin-bottom: 20px; }
  .hero h1 span { color: var(--teal); }
  .hero p { font-size: 1.05rem; max-width: 480px; margin-bottom: 36px; }
  .hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
  .hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
  }
  .hero-ring-wrap {
    position: relative;
    width: 340px; height: 340px;
    display: flex; align-items: center; justify-content: center;
  }
  .hero-ring-outer {
    position: absolute;
    width: 340px; height: 340px;
    border-radius: 50%;
    border: 2px solid var(--green-300);
    animation: spinSlow 18s linear infinite;
  }
  .hero-ring-mid {
    position: absolute;
    width: 260px; height: 90px;
    border-radius: 50%;
    border: 1.5px dashed var(--green-600);
    transform: rotate(-20deg);
    animation: spinSlow 12s linear infinite reverse;
  }
  .hero-core {
    width: 200px; height: 200px;
    border-radius: 50%;
    background: var(--green-100);
    display: flex; align-items: center; justify-content: center;
    position: relative; z-index: 2;
    box-shadow: var(--shadow-lg);
  }
  .hero-dot-lg {
    position: absolute;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--teal);
    top: 50%; left: calc(50% + 168px);
    transform: translateY(-50%);
  }
  .hero-dot-sm {
    position: absolute;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--green-400);
    top: 50%; left: calc(50% - 178px);
    transform: translateY(-50%);
  }
  @keyframes spinSlow { to { transform: rotate(360deg); } }
  @keyframes spinSlowR { to { transform: rotate(-360deg) rotate(-20deg); } }
  .hero-ring-mid { animation: none; }

  .hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 44px;
    padding-top: 32px;
    border-top: 1px solid var(--green-300);
  }
  .hero-stat-num { font-family: var(--font-head); font-size: 1.8rem; font-weight: 800; color: var(--green-800); display: block; }
  .hero-stat-lbl { font-size: 12px; letter-spacing: 1px; color: var(--gray-300); }

  @media(max-width:768px) {
    .hero { padding: 120px 0 72px; }
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { display: none; }
  }

  /* ── Services ── */
  .services { background: var(--white); }
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
  }
  .service-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
  }
  .service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--teal), var(--green-600));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
  }
  .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--green-300); }
  .service-card:hover::before { transform: scaleX(1); }
  .service-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    background: var(--green-100);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
  }
  .service-icon svg { width: 26px; height: 26px; stroke: var(--green-800); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
  .service-card h3 { margin-bottom: 10px; color: var(--green-800); }
  .service-card p { font-size: 14px; }

  @media(max-width:900px) { .services-grid { grid-template-columns: repeat(2,1fr); } }
  @media(max-width:560px) { .services-grid { grid-template-columns: 1fr; } }

  /* ── About ── */
  .about { background: var(--green-50); }
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
  }
  .about-visual {
    position: relative;
    display: flex;
    justify-content: center;
  }
  .about-card-main {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow-lg);
    max-width: 340px;
    position: relative;
    z-index: 2;
  }
  .about-card-accent {
    position: absolute;
    bottom: -24px; right: -24px;
    background: var(--green-800);
    border-radius: var(--radius);
    padding: 22px 28px;
    color: var(--white);
    z-index: 1;
    min-width: 160px;
  }
  .about-card-accent-num { font-family: var(--font-head); font-size: 2rem; font-weight: 800; display: block; }
  .about-card-accent-lbl { font-size: 12px; opacity: 0.75; }
  .pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
  .pill {
    font-size: 12px;
    padding: 5px 14px;
    border-radius: 99px;
    background: var(--green-100);
    color: var(--green-800);
    font-weight: 500;
  }
  .about-content h2 { margin-bottom: 16px; }
  .about-content p { margin-bottom: 16px; }
  .check-list { list-style: none; margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
  .check-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 15px;
    color: var(--gray-500);
  }
  .check-list li::before {
    content: '';
    display: inline-block;
    flex-shrink: 0;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--teal);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: 12px;
    background-repeat: no-repeat;
    background-position: center;
    margin-top: 2px;
  }

  @media(max-width:768px) {
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-visual { display: none; }
  }

  /* ── Why Us ── */
  .why { background: var(--white); }
  .why-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 24px;
    margin-top: 56px;
  }
  .why-card {
    text-align: center;
    padding: 36px 20px;
    border-radius: var(--radius);
    background: var(--green-50);
    border: 1px solid var(--green-300);
  }
  .why-num {
    font-family: var(--font-head);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--teal);
    display: block;
    line-height: 1;
    margin-bottom: 8px;
  }
  .why-card h3 { font-size: 1rem; color: var(--green-800); margin-bottom: 8px; }
  .why-card p  { font-size: 13px; }

  @media(max-width:768px) { .why-grid { grid-template-columns: repeat(2,1fr); } }
  @media(max-width:440px) { .why-grid { grid-template-columns: 1fr; } }

  /* ── Industries ── */
  .industries { background: var(--green-800); }
  .industries .label { background: rgba(255,255,255,0.12); color: var(--green-300); }
  .industries h2  { color: var(--white); }
  .industries p   { color: var(--green-300); }
  .industries-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 20px;
    margin-top: 56px;
  }
  .ind-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: background 0.2s;
  }
  .ind-card:hover { background: rgba(255,255,255,0.1); }
  .ind-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    background: rgba(29,158,117,0.25);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
  }
  .ind-icon svg { width: 22px; height: 22px; stroke: var(--teal-light); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
  .ind-card h3 { color: var(--white); font-size: 1rem; margin-bottom: 6px; }
  .ind-card p  { color: var(--green-300); font-size: 13px; }

  @media(max-width:768px) { .industries-grid { grid-template-columns: repeat(2,1fr); } }
  @media(max-width:480px) { .industries-grid { grid-template-columns: 1fr; } }

  /* ── Process ── */
  .process { background: var(--white); }
  .process-steps {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 0;
    margin-top: 56px;
    position: relative;
  }
  .process-steps::before {
    content: '';
    position: absolute;
    top: 36px; left: 12.5%; right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--teal), var(--green-600));
  }
  .process-step {
    text-align: center;
    padding: 0 16px;
    position: relative;
  }
  .process-num {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--green-300);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--green-800);
    position: relative;
    z-index: 2;
    background: var(--white);
    transition: background 0.2s, color 0.2s;
  }
  .process-step:hover .process-num { background: var(--teal); color: var(--white); border-color: var(--teal); }
  .process-step h3 { color: var(--green-800); margin-bottom: 8px; font-size: 0.95rem; }
  .process-step p  { font-size: 13px; }

  @media(max-width:768px) {
    .process-steps { grid-template-columns: repeat(2,1fr); gap: 32px; }
    .process-steps::before { display: none; }
  }
  @media(max-width:440px) { .process-steps { grid-template-columns: 1fr; } }

  /* ── Contact ── */
  .contact { background: var(--green-50); }
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
  }
  .contact-info h2 { margin-bottom: 16px; }
  .contact-info p  { margin-bottom: 32px; }
  .contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
  }
  .contact-detail-icon {
    width: 40px; height: 40px; flex-shrink: 0;
    border-radius: 10px;
    background: var(--white);
    border: 1px solid var(--green-300);
    display: flex; align-items: center; justify-content: center;
  }
  .contact-detail-icon svg { width: 18px; height: 18px; stroke: var(--teal); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
  .contact-detail-label { font-size: 11px; letter-spacing: 1px; color: var(--gray-300); text-transform: uppercase; display: block; margin-bottom: 2px; }
  .contact-detail-value { font-size: 15px; color: var(--gray-700); font-weight: 500; }

  .contact-form {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
  }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .form-group { margin-bottom: 20px; }
  .form-group label { display: block; font-size: 13px; font-weight: 500; color: var(--green-800); margin-bottom: 6px; }
  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--gray-700);
    background: var(--green-50);
    outline: none;
    transition: border-color 0.2s;
  }
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus { border-color: var(--teal); background: var(--white); }
  .form-group textarea { resize: vertical; min-height: 120px; }
  .form-submit { width: 100%; justify-content: center; font-size: 16px; padding: 16px; }

  @media(max-width:768px) {
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
  }

  /* ── Footer ── */
  footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 64px 0 32px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
  }
  .footer-brand p { font-size: 14px; margin-top: 16px; line-height: 1.8; color: var(--gray-300); }
  .footer-logo-text { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: var(--white); letter-spacing: 1px; }
  .footer-logo-sub  { font-size: 10px; letter-spacing: 2px; color: var(--gray-300); }
  .footer-col h4 { font-family: var(--font-head); font-size: 13px; font-weight: 600; color: var(--white); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  .footer-col ul li a { font-size: 14px; color: var(--gray-300); transition: color 0.2s; }
  .footer-col ul li a:hover { color: var(--teal-light); }
  .footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--gray-500);
    flex-wrap: wrap;
    gap: 12px;
  }
  .footer-bottom a { color: var(--gray-300); }
  .footer-bottom a:hover { color: var(--teal-light); }

  @media(max-width:768px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: 1 / -1; }
  }
  @media(max-width:440px) { .footer-grid { grid-template-columns: 1fr; } }

  /* ── Animations ── */
  .fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }
  .fade-up.visible { opacity: 1; transform: translateY(0); }

  /* ── Notification ── */
  .notify {
    position: fixed;
    bottom: 32px; right: 32px;
    background: var(--green-800);
    color: var(--white);
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    transform: translateY(80px);
    opacity: 0;
    transition: all 0.35s ease;
  }
  .notify.show { transform: translateY(0); opacity: 1; }