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

  :root {
    --forest:  #1e3d2f;
    --teal:    #1a9e8f;
    --green:   #5dba47;
    --dark:    #1a2320;
    --mid:     #3d5450;
    --light:   #f4f7f5;
    --white:   #ffffff;
    --rule:    #c8d8d2;
    --accent:  #1a9e8f;
    --focus:   #f0c040;
  }

  /* ── RESET & BASE ── */
  html { scroll-behavior: smooth; }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }

  body {
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    background: var(--light);
    color: var(--dark);
    font-size: 19px;
    line-height: 1.85;
  }

  /* ── FOCUS INDICATOR ── */
  :focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
  }

  /* ── SKIP LINK ── */
  .skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--focus);
    color: var(--dark);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    z-index: 1000;
    text-decoration: none;
    border-radius: 0 0 4px 4px;
  }
  .skip-link:focus {
    top: 0;
  }

  /* ── NAV ── */
  nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--light);
    border-bottom: 1px solid var(--rule);
    padding: 0 6vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
  }
  .nav-wordmark {
    font-family: 'Source Serif 4', serif;
    font-weight: 600;
    font-size: 1.55rem;
    letter-spacing: -0.01em;
    font-variant: small-caps;
    white-space: nowrap;
    color: var(--dark);
    text-decoration: none;
  }
  .nav-wordmark:hover { color: var(--accent); }
  .nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
  }
  .nav-links a {
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mid);
    text-decoration: none;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--accent); }

  /* ── LAYOUT ── */
  section {
    padding: 6rem 6vw;
  }
  section + section {
    border-top: 1px solid var(--rule);
  }
  .wide {
    max-width: 1400px;
    margin: 0 auto;
  }

  /* ── SECTION LABELS ── */
  .section-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
    display: block;
  }

  /* ── HERO ── */
  #hero {
    padding: 4.5rem 6vw;
    background: var(--forest);
    color: var(--white);
    border-top: none;
  }
  .hero-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 4rem;
    align-items: center;
  }
  .hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 1.5rem;
    display: block;
  }
  .hero-headline {
    font-family: 'Source Serif 4', serif;
    font-weight: 300;
    font-size: clamp(2.4rem, 4vw, 3.8rem);
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 1.5rem;
  }
  .hero-body {
    font-size: 1rem;
    font-weight: 300;
    color: rgba(255,255,255,0.75);
    max-width: 620px;
    line-height: 1.85;
    margin-bottom: 2rem;
  }
  .hero-descriptor {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
  }
  .hero-logo {
    width: 200px;
    height: 220px;
    object-fit: contain;
    opacity: 0.92;
    justify-self: end;
  }

  /* ── SERVICES ── */
  #services {
    background: var(--light);
  }
  #services h2 {
    font-family: 'Source Serif 4', serif;
    font-weight: 400;
    font-size: clamp(1.8rem, 2.6vw, 2.6rem);
    color: var(--dark);
    margin-bottom: 1rem;
    max-width: 680px;
    line-height: 1.25;
  }
  .services-intro {
    font-size: 0.95rem;
    color: var(--mid);
    max-width: 680px;
    margin-bottom: 3.5rem;
    line-height: 1.85;
  }
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--rule);
  }
  .service-item {
    background: var(--light);
    padding: 2.5rem 2.75rem;
  }
  .service-num {
    font-family: 'Source Serif 4', serif;
    font-size: 2.2rem;
    font-weight: 300;
    color: var(--rule);
    line-height: 1;
    margin-bottom: 1rem;
    aria-hidden: true;
  }
  .service-title {
    font-family: 'Source Serif 4', serif;
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--dark);
    margin-bottom: 0.75rem;
    line-height: 1.3;
  }
  .service-body {
    font-size: 0.88rem;
    color: var(--mid);
    line-height: 1.85;
  }

  /* ── WORK ── */
  #work {
    background: var(--light);
  }
  #work h2 {
    font-family: 'Source Serif 4', serif;
    font-weight: 400;
    font-size: clamp(1.8rem, 2.6vw, 2.6rem);
    color: var(--dark);
    margin-bottom: 3.5rem;
    line-height: 1.25;
  }
  .work-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--rule);
  }
  .work-item {
    padding: 2.25rem 0;
    border-bottom: 1px solid var(--rule);
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 1.5rem;
    align-items: start;
  }
  .work-item:nth-child(odd) {
    padding-right: 4rem;
    border-right: 1px solid var(--rule);
  }
  .work-item:nth-child(even) {
    padding-left: 4rem;
  }
  .work-tag {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal);
    margin-top: 0.15rem;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    white-space: nowrap;
  }
  .work-title {
    font-family: 'Source Serif 4', serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
    line-height: 1.3;
  }
  .work-desc {
    font-size: 0.86rem;
    color: var(--mid);
    line-height: 1.85;
  }

  /* ── ABOUT ── */
  #about {
    background: var(--forest);
    color: var(--white);
  }
  #about .section-label {
    color: var(--teal);
  }
  .about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
  }
  .about-left h2 {
    font-family: 'Source Serif 4', serif;
    font-weight: 300;
    font-size: clamp(1.9rem, 2.8vw, 2.8rem);
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 2rem;
  }
  .about-left p,
  .about-right p {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.85;
    margin-bottom: 1rem;
  }
  .about-right {
    padding-top: 2.5rem;
  }
  .since {
    display: block;
    font-family: 'Source Serif 4', serif;
    font-size: 4.5rem;
    font-weight: 300;
    color: rgba(255,255,255,0.07);
    line-height: 1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    aria-hidden: true;
  }
  .about-name {
    color: var(--white);
    font-weight: 500;
  }
  .about-fine {
    color: rgba(255,255,255,0.3);
    font-size: 0.78rem;
    margin-top: 2rem;
  }

  /* ── CONTACT ── */
  #contact {
    background: var(--light);
    text-align: center;
  }
  #contact h2 {
    font-family: 'Source Serif 4', serif;
    font-weight: 300;
    font-size: clamp(2rem, 3.2vw, 3.2rem);
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 1.25rem;
  }
  #contact p {
    font-size: 0.92rem;
    color: var(--mid);
    max-width: 480px;
    margin: 0 auto 2.5rem;
    line-height: 1.85;
  }
  .cta-link {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--dark);
    padding: 1rem 2.25rem;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.2s;
  }
  .cta-link:hover { background: var(--accent); }

  /* ── FOOTER ── */
  footer {
    border-top: 1px solid var(--rule);
    padding: 2rem 6vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.76rem;
    color: rgba(26,35,32,0.45);
  }
  footer a {
    color: inherit;
    text-decoration: none;
    margin-left: 1.5rem;
  }
  footer a:hover { color: var(--accent); }


  /* ── SELECTED WORK ── */
  #work {
    background: var(--light);
  }
  #work h2 {
    font-family: 'Source Serif 4', serif;
    font-weight: 400;
    font-size: clamp(1.8rem, 2.6vw, 2.6rem);
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.25;
  }
  .work-cases {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--rule);
    margin-top: 3rem;
  }
  .work-case {
    padding: 3rem 0;
    border-bottom: 1px solid var(--rule);
  }
  .work-case-header {
    margin-bottom: 2rem;
  }
  .work-case-vertical {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.5rem;
  }
  .work-case-title {
    font-family: 'Source Serif 4', serif;
    font-weight: 600;
    font-size: clamp(1.2rem, 1.8vw, 1.5rem);
    color: var(--dark);
    line-height: 1.25;
  }
  .work-case-body {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
  }
  .work-case-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mid);
    margin-bottom: 0.75rem;
  }
  .work-case-block p {
    font-size: 0.88rem;
    color: var(--mid);
    line-height: 1.85;
  }
/* ── BACK TO TOP ── */
  .back-to-top {
    display: none;
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    background: var(--forest);
    border: 3px solid var(--focus);
    cursor: pointer;
    padding: 0.75rem 1.25rem;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .back-to-top.is-visible {
    opacity: 1;
  }
  .btt-chevron {
    display: block;
    width: 10px;
    height: 10px;
    border-left: 2px solid white;
    border-top: 2px solid white;
    transform: rotate(45deg);
    margin-bottom: 2px;
  }
  .btt-label {
    display: block;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: white;
    white-space: nowrap;
  }


  @media (min-width: 769px) {
    section {
      scroll-margin-top: 64px;
    }
  }


  /* ── NAV SMALL LOGO (mobile only) ── */
  .nav-logo-small {
    display: none;
    width: 24px;
    height: 26px;
    object-fit: contain;
    vertical-align: middle;
    margin-left: 1.25rem;
    opacity: 0.92;
  }

  /* ── RESPONSIVE: TABLET & MOBILE ── */
  @media (max-width: 768px) {
    body { font-size: 18px; }

    nav {
      padding: 0 5vw;
    }
    /* Two-line centered nav on mobile */
    .nav-logo-small {
      display: inline-block;
    }
    nav {
      position: static;
      height: auto;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding: 0.85rem 5vw;
      gap: 0.5rem;
    }
    .nav-wordmark {
      font-size: 1.35rem;
      text-align: center;
    }
    .nav-links {
      display: flex;
      justify-content: center;
      gap: 1.25rem;
      flex-wrap: wrap;
    }
    .nav-links a {
      font-size: 0.72rem;
    }
    /* Show back to top on mobile */
    .back-to-top {
      display: flex;
    }

    section {
      padding: 4rem 5vw;
    }

    /* Hero */
    .hero-inner {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
    .hero-logo {
      display: none;
    }

    /* Services: stack to ruled list */
    .services-grid {
      display: block;
      background: none;
      gap: 0;
    }
    .service-item {
      padding: 1.75rem 0;
      border-bottom: 1px solid var(--rule);
      background: transparent;
    }
    .service-item:first-child {
      border-top: 1px solid var(--rule);
    }
    .service-num {
      font-size: 1.5rem;
      margin-bottom: 0.5rem;
    }
    .service-body {
      font-size: 0.92rem;
    }

    /* Work */
    .work-list {
      grid-template-columns: 1fr;
    }
    .work-item:nth-child(odd) {
      border-right: none;
      padding-right: 0;
    }
    .work-item:nth-child(even) {
      padding-left: 0;
    }

    /* About */
    .about-inner {
      grid-template-columns: 1fr;
      gap: 2.5rem;
    }
    .about-right {
      padding-top: 0;
    }


    .work-case-body {
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }

    /* Selected Work accordion on mobile */
    .work-case-title-btn {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
      background: none;
      border: none;
      padding: 0;
      cursor: pointer;
      text-align: left;
    }
    .work-case-title-btn .work-case-title {
      margin-bottom: 0;
    }
    .work-case-chevron {
      font-size: 1.2rem;
      color: var(--accent);
      transition: transform 0.25s ease;
      flex-shrink: 0;
      margin-left: 1rem;
    }
    .work-case-title-btn[aria-expanded="true"] .work-case-chevron {
      transform: rotate(180deg);
    }
    .work-case-body {
      overflow: hidden;
      transition: max-height 0.35s ease;
    }


    /* Footer */
    footer {
      flex-direction: column;
      gap: 0.75rem;
      text-align: center;
    }
    footer a {
      margin-left: 0.75rem;
    }
  }