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

    :root {
      --teal-dark:   #085041;
      --teal-mid:    #0F6E56;
      --teal-light:  #E1F5EE;
      --teal-border: #9FE1CB;
      --teal-bright: #5DCAA5;
      --amber-bg:    #FAEEDA;
      --amber-border:#FAC775;
      --amber-dark:  #633806;
      --amber-mid:   #854F0B;
      --amber-circle:#EF9F27;
      --text:        #1a1a1a;
      --text-muted:  #6b7280;
      --border:      #e5e7eb;
      --body-bg:     #f9f9f7;
      --serif:       'Chango', Georgia, serif;
      --sans:        'DM Sans', system-ui, sans-serif;
      --hand:        'Caveat', cursive;
      --mono:        'Space Mono', monospace;
      --radius:      16px;
      --max:         820px;
    }

    body {
      font-family: var(--sans);
      background: var(--body-bg);
      color: var(--text);
      min-height: 100vh;
    }

    /* NAV */
    nav {
      position: sticky; top: 0; z-index: 100;
      background: rgba(249,249,247,0.92);
      backdrop-filter: blur(10px);
      border-bottom: 0.5px solid var(--border);
      padding: 0 2rem;
    }
    .nav-inner { max-width: var(--max); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 52px; }
    .logo { font-family: var(--serif); font-size: 20px; font-weight: 500; color: var(--teal-dark); text-decoration: none; letter-spacing: -0.4px; }
    .logo sup { font-size: 10px; color: var(--teal-bright); vertical-align: super; font-family: var(--sans); letter-spacing: 1px; }
    .nav-links { display: flex; gap: 1.5rem; list-style: none; }
    .nav-links a { font-size: 13px; color: var(--text-muted); text-decoration: none; transition: color 0.15s; }
    .nav-links a:hover { color: var(--teal-dark); }
    .nav-links a.active { color: var(--teal-dark); font-weight: 500; }

    /* HERO */
    .hero {
      background: var(--teal-dark);
      padding: 3.5rem 2rem 3rem;
      position: relative;
      overflow: hidden;
      text-align: center;
    }
    .hero-inner { max-width: var(--max); margin: 0 auto; position: relative; z-index: 1; }
    .hero-eyebrow { font-family: var(--mono); font-size: 11px; color: var(--teal-bright); letter-spacing: 1px; margin-bottom: 1rem; }
    .hero-title { font-family: var(--serif); font-size: clamp(32px, 5vw, 50px); font-weight: 500; color: var(--teal-light); line-height: 1.1; }
    .hero-title em { font-style: italic; color: var(--teal-bright); }
    .hero-sub { font-size: 14px; color: var(--teal-border); margin-top: 1rem; line-height: 1.7; }
    .hero-badge {
      display: inline-block;
      margin-top: 1.5rem;
      font-family: var(--hand);
      font-size: 18px;
      color: var(--amber-circle);
      background: rgba(239,159,39,0.12);
      border: 1.5px dashed rgba(239,159,39,0.4);
      border-radius: 8px;
      padding: 6px 18px;
    }

    /* bubbles */
    .hb { position: absolute; border-radius: 50%; pointer-events: none; }
    .hb1 { width: 180px; height: 180px; border: 1.5px solid #1D9E75; right: 30px; top: -50px; opacity: 0.3; }
    .hb2 { width: 80px;  height: 80px;  border: 1.5px solid var(--teal-bright); left: 60px; top: 40px; opacity: 0.2; }
    .hb3 { width: 40px;  height: 40px;  background: #1D9E75; left: 110px; top: 100px; opacity: 0.18; }

    /* PAGE */
    .page { max-width: var(--max); margin: 0 auto; padding: 3rem 2rem 4rem; }

    /* SPECIMEN COLLECTION */
    .collection-label {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1.5rem;
    }
    .collection-label span {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--teal-mid);
    }
    .collection-label::after { content: ''; flex: 1; height: 0.5px; background: var(--teal-border); }

    .specimens {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 10px;
      margin-bottom: 3.5rem;
    }

    .specimen {
      background: white;
      border: 0.5px solid var(--border);
      border-radius: 12px;
      padding: 1.1rem 0.9rem 1rem;
      text-align: center;
      text-decoration: none;
      color: var(--text);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.5rem;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
      position: relative;
      overflow: hidden;
    }

    .specimen::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 4px;
    }

    .specimen.email::before   { background: var(--teal-mid); }
    .specimen.linkedin::before{ background: #0077B5; }
    .specimen.discord::before { background: #5865F2; }
    .specimen.magazine::before{ background: var(--amber-circle); }
    .specimen.form::before    { background: var(--teal-bright); }

    .specimen:hover {
      transform: translateY(-4px) rotate(0.5deg);
      box-shadow: 0 8px 28px rgba(8,80,65,0.12);
    }

    .specimen-num {
      font-family: var(--mono);
      font-size: 9px;
      color: var(--text-muted);
      letter-spacing: 1px;
    }

    .specimen-icon {
      font-size: 26px;
      line-height: 1;
      margin: 0.2rem 0;
    }

    .specimen-name {
      font-family: var(--serif);
      font-size: 13px;
      font-weight: 500;
      line-height: 1.2;
    }

    .specimen-latin {
      font-family: var(--hand);
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.2;
    }

    .specimen-tag {
      font-size: 9px;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 2px 8px;
      border-radius: 20px;
      margin-top: 0.25rem;
    }

    .specimen.email .specimen-tag    { background: var(--teal-light); color: var(--teal-mid); }
    .specimen.linkedin .specimen-tag { background: #E8F4FD; color: #0077B5; }
    .specimen.discord .specimen-tag  { background: #EDEFFF; color: #5865F2; }
    .specimen.magazine .specimen-tag { background: var(--amber-bg); color: var(--amber-mid); }
    .specimen.form .specimen-tag     { background: var(--teal-light); color: var(--teal-dark); }

    /* LAB NOTEBOOK FORM */
    .notebook {
      background: white;
      border: 0.5px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: 0 4px 24px rgba(0,0,0,0.06);
    }

    .notebook-header {
      background: var(--teal-dark);
      padding: 1.25rem 1.75rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .notebook-title {
      font-family: var(--hand);
      font-size: 22px;
      color: var(--teal-light);
    }

    .notebook-meta {
      font-family: var(--mono);
      font-size: 10px;
      color: var(--teal-bright);
      text-align: right;
      line-height: 1.8;
    }

    /* grid paper background */
    .notebook-body {
      padding: 2rem 1.75rem 2rem;
      background-image:
        linear-gradient(rgba(159,225,203,0.15) 1px, transparent 1px),
        linear-gradient(90deg, rgba(159,225,203,0.15) 1px, transparent 1px);
      background-size: 28px 28px;
    }

    .form-row { margin-bottom: 1.5rem; }
    .form-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

    .field-label {
      display: block;
      font-family: var(--hand);
      font-size: 16px;
      color: var(--teal-mid);
      margin-bottom: 0.4rem;
    }

    .field-sublabel {
      font-size: 11px;
      color: var(--text-muted);
      margin-bottom: 0.5rem;
      display: block;
      font-style: italic;
    }

    input[type="text"],
    input[type="email"],
    select,
    textarea {
      width: 100%;
      background: rgba(255,255,255,0.8);
      border: 0.5px solid var(--teal-border);
      border-radius: 8px;
      padding: 0.65rem 0.9rem;
      font-family: var(--sans);
      font-size: 14px;
      color: var(--text);
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
      -webkit-appearance: none;
    }

    input:focus, select:focus, textarea:focus {
      border-color: var(--teal-mid);
      box-shadow: 0 0 0 3px rgba(15,110,86,0.1);
    }

    textarea { resize: vertical; min-height: 120px; line-height: 1.6; }

    select { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%230F6E56' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }

    .form-divider {
      border: none;
      border-top: 1px dashed var(--teal-border);
      margin: 1.75rem 0;
    }

    .form-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .form-note {
      font-family: var(--hand);
      font-size: 14px;
      color: var(--text-muted);
      max-width: 300px;
      line-height: 1.5;
    }

    .submit-btn {
      background: var(--teal-dark);
      color: var(--teal-light);
      border: none;
      border-radius: 10px;
      padding: 0.75rem 1.75rem;
      font-family: var(--sans);
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      transition: background 0.2s, transform 0.15s;
    }

    .submit-btn:hover { background: var(--teal-mid); transform: translateY(-1px); }
    .submit-btn:active { transform: translateY(0); }

    /* success state */
    .success-msg {
      display: none;
      text-align: center;
      padding: 2.5rem 1.75rem;
    }

    .success-msg.show { display: block; }
    .notebook-body.hide { display: none; }

    .success-icon { font-size: 48px; margin-bottom: 1rem; }
    .success-title { font-family: var(--serif); font-size: 24px; font-weight: 500; margin-bottom: 0.5rem; color: var(--teal-dark); }
    .success-note { font-family: var(--hand); font-size: 18px; color: var(--text-muted); }

    /* RESPONSE TIME */
    .response-strip {
      margin-top: 1.5rem;
      background: var(--amber-bg);
      border: 0.5px solid var(--amber-border);
      border-radius: var(--radius);
      padding: 1rem 1.5rem;
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }

    .response-icon { font-size: 28px; flex-shrink: 0; }

    .response-text { font-size: 13px; color: var(--amber-mid); line-height: 1.6; }
    .response-text strong { font-family: var(--hand); font-size: 16px; color: var(--amber-dark); display: block; margin-bottom: 0.1rem; }

    /* FOOTER */
    footer { border-top: 0.5px solid var(--border); padding: 1.5rem 2rem; }
    .footer-inner { max-width: var(--max); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
    footer p { font-size: 12px; color: var(--text-muted); }
    .footer-links { display: flex; gap: 1.25rem; list-style: none; }
    .footer-links a { font-size: 12px; color: var(--text-muted); text-decoration: none; }
    .footer-links a:hover { color: var(--teal-mid); }

    /* RESPONSIVE */
    @media (max-width: 640px) {
      .specimens { grid-template-columns: repeat(3, 1fr); }
      .form-row.two { grid-template-columns: 1fr; }
      nav, footer { padding-left: 1.25rem; padding-right: 1.25rem; }
      .page { padding-left: 1.25rem; padding-right: 1.25rem; }
      .notebook-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    }

    @media (max-width: 420px) {
      .specimens { grid-template-columns: repeat(2, 1fr); }
    }