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

  :root {
    --black: #0a0a0a;
    --white: #ffffff;
    --gray-50: #f9f9f7;
    --gray-100: #f0efeb;
    --gray-200: #e0dfd9;
    --gray-400: #9c9b95;
    --gray-600: #5a5955;
    --accent: #1a6aff;
    --accent-light: #e8f0ff;
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'DM Sans', sans-serif;
    color: var(--black);
    background: var(--white);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
  }

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

  /* ── NAVBAR ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 5%;
  }
  .nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 62px;
  }
  .logo {
    font-family: 'DM Serif Display', serif;
    font-size: 22px;
    letter-spacing: -0.5px;
    color: var(--black);
  }
  .logo span { color: var(--accent); }
  .nav-links {
    display: flex;
    gap: 32px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
  }
  .nav-links a { transition: color .2s; }
  .nav-links a:hover { color: var(--black); }
  .nav-cta {
    background: var(--black);
    color: var(--white);
    padding: 9px 20px;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 500;
    transition: opacity .2s;
  }
  .nav-cta:hover { opacity: .82; }
  .nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
  }
  .nav-hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--black);
    transition: all .3s;
  }

  /* ── HERO ── */
  .hero {
    padding: 148px 5% 100px;
    max-width: 1100px;
    margin: 0 auto;
  }
  .hero-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
  }
  .hero-content { flex: 1.2; }
  .hero-visual {
    flex: 1;
    display: flex;
    justify-content: flex-end;
  }
  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 30px;
  }
  .hero-tag::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    display: inline-block;
  }
  .hero h1 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(40px, 6vw, 72px);
    line-height: 1.07;
    letter-spacing: -2px;
    color: var(--black);
    max-width: 700px;
    margin-bottom: 24px;
  }
  .hero h1 em { font-style: italic; color: var(--accent); }
  .hero-sub {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 500px;
    line-height: 1.7;
    margin-bottom: 40px;
    font-weight: 300;
  }
  .hero-img {
    max-width: 100%;
    height: auto;
    opacity: 0;
    transform: translateX(40px);
  }
  .hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
  .btn-primary {
    background: var(--black);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    transition: all .2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .btn-primary:hover { background: #222; transform: translateY(-1px); }
  .btn-secondary {
    background: transparent;
    color: var(--black);
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    border: 1.5px solid var(--gray-200);
    transition: all .2s;
  }
  .btn-secondary:hover { border-color: var(--black); }
  .hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    margin-top: 64px;
    padding-top: 48px;
    border-top: 1px solid var(--gray-200);
  }
  .stat-num {
    font-family: 'DM Serif Display', serif;
    font-size: 38px;
    color: var(--black);
    display: block;
    line-height: 1.1;
  }
  .stat-label {
    font-size: 13px;
    color: var(--gray-400);
    margin-top: 4px;
  }

  /* ── SECTION COMMON ── */
  section { padding: 90px 5%; }
  .section-inner { max-width: 1100px; margin: 0 auto; }
  .section-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
  }
  .section-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(28px, 4vw, 46px);
    letter-spacing: -1px;
    line-height: 1.12;
    color: var(--black);
    margin-bottom: 16px;
  }
  .section-sub {
    font-size: 16px;
    color: var(--gray-600);
    font-weight: 300;
    max-width: 480px;
    line-height: 1.7;
  }

  /* ── SERVICES ── */
  .services-bg { background: var(--gray-50); }
  .services-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 56px;
  }
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1px;
    background: var(--gray-200);
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
  }
  .service-card {
    background: var(--white);
    padding: 36px 32px;
    transition: background .2s;
  }
  .service-card:hover { background: #f5f8ff; }
  .service-icon {
    width: 46px; height: 46px;
    background: var(--accent-light);
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
  }
  .service-icon svg {
    width: 22px; height: 22px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .service-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--black);
  }
  .service-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
    font-weight: 300;
  }
  .service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 20px;
  }
  .tag {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-weight: 500;
  }

  /* ── PORTFOLIO ── */
  .portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 48px;
  }
  .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
  }
  .portfolio-card {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: transform .25s, box-shadow .25s;
  }
  .portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px rgba(0,0,0,.08);
  }
  .portfolio-img {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .portfolio-img.blue  { background: linear-gradient(135deg, #e8f0ff, #c5d8ff); }
  .portfolio-img.green { background: linear-gradient(135deg, #e8f5e9, #b8dfc0); }
  .portfolio-img.amber { background: linear-gradient(135deg, #fff8e1, #ffe082); }
  .portfolio-body { padding: 24px 26px; }
  .portfolio-type {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
  }
  .portfolio-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--black);
  }
  .portfolio-card p {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 300;
    line-height: 1.65;
  }
  .portfolio-stack {
    display: flex;
    gap: 6px;
    margin-top: 14px;
    flex-wrap: wrap;
  }

  /* ── PROCESS ── */
  .process-bg { background: var(--black); }
  .process-bg .section-label { color: #5a9eff; }
  .process-bg .section-title { color: var(--white); }
  .process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    margin-top: 56px;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .process-step {
    padding: 40px 32px;
    border-right: 1px solid rgba(255,255,255,.08);
  }
  .process-step:last-child { border-right: none; }
  .step-num {
    font-family: 'DM Serif Display', serif;
    font-size: 52px;
    color: rgba(255,255,255,.1);
    line-height: 1;
    margin-bottom: 20px;
    display: block;
  }
  .process-step h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 10px;
  }
  .process-step p {
    font-size: 13px;
    color: rgba(255,255,255,.4);
    line-height: 1.65;
    font-weight: 300;
  }

  /* ── CONTACT ── */
  .contact-bg { background: var(--gray-50); }
  .contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
  }
  .contact-info { padding-top: 8px; }
  .contact-info > p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.75;
    font-weight: 300;
    margin-bottom: 40px;
  }
  .contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 22px;
  }
  .contact-detail-icon {
    width: 38px; height: 38px;
    background: var(--accent-light);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .contact-detail-icon svg {
    width: 16px; height: 16px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .contact-detail strong {
    font-size: 13px;
    font-weight: 600;
    color: var(--black);
    display: block;
    margin-bottom: 2px;
  }
  .contact-detail span {
    font-size: 14px;
    color: var(--gray-600);
  }

  /* ── FORM ── */
  .contact-form {
    background: var(--white);
    border-radius: 16px;
    padding: 36px;
    border: 1px solid var(--gray-200);
  }
  .form-group { margin-bottom: 18px; }
  .form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--black);
    display: block;
    margin-bottom: 6px;
  }
  .form-group input,
  .form-group textarea,
  .form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: 8px;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    color: var(--black);
    background: var(--white);
    transition: border-color .2s;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
  }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus { border-color: var(--accent); }
  .form-group textarea { height: 120px; resize: vertical; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .submit-btn {
    width: 100%;
    background: var(--black);
    color: var(--white);
    padding: 14px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    transition: all .2s;
    margin-top: 6px;
    letter-spacing: 0.2px;
  }
  .submit-btn:hover { background: #1a1a1a; transform: translateY(-1px); }
  .submit-btn.success {
    background: #1d9e75;
    transform: none;
    cursor: default;
  }

  /* ── FOOTER ── */
  footer {
    padding: 40px 5%;
    border-top: 1px solid var(--gray-200);
  }
  .footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
  }
  .footer-logo {
    font-family: 'DM Serif Display', serif;
    font-size: 18px;
    color: var(--black);
  }
  .footer-logo span { color: var(--accent); }
  .footer-copy { font-size: 13px; color: var(--gray-400); }
  .footer-links {
    display: flex;
    gap: 24px;
    font-size: 13px;
    color: var(--gray-400);
  }
  .footer-links a:hover { color: var(--black); }

  /* ── MOBILE RESPONSIVE ── */
  @media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .nav-hamburger { display: flex; }
    .nav-mobile {
      display: none;
      flex-direction: column;
      gap: 0;
      position: absolute;
      top: 62px; left: 0; right: 0;
      background: var(--white);
      border-bottom: 1px solid var(--gray-200);
      padding: 12px 0;
    }
    .nav-mobile.open { display: flex; }
    .nav-mobile a {
      padding: 12px 5%;
      font-size: 15px;
      font-weight: 500;
      color: var(--gray-600);
      border-bottom: 1px solid var(--gray-100);
    }
    .nav-mobile a:last-child { border-bottom: none; }

    .hero { padding: 120px 5% 70px; }
    .hero-main { flex-direction: column; text-align: center; }
    .hero-visual { width: 100%; justify-content: center; order: -1; margin-bottom: 30px; flex: none; display: flex; }
    .hero-img { transform: none; max-width: 280px; margin: 0 auto; }
    .hero-stats { gap: 24px; justify-content: center; text-align: center; }
    .services-grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr 1fr; }
    .process-step { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }
    .process-step:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.08); }

    .contact-wrap { grid-template-columns: 1fr; gap: 48px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .footer-inner { flex-direction: column; text-align: center; gap: 24px; }
    .footer-links { justify-content: center; }
  }

  @media (max-width: 480px) {
    .process-steps { grid-template-columns: 1fr; }
    .process-step { border-right: none !important; }
  }