:root {
    --black:      #0a0a0a;
    --black-mid:  #111111;
    --black-light:#1a1a1a;
    --gold:       #C9A84C;
    --gold-light: #E2C579;
    --white:      #F8F5EF;
    --white-dim:  #D4CFC6;
    --serif:      'Cormorant Garamond', Georgia, serif;
    --sans:       'Montserrat', sans-serif;
    --green:      #6fcf97;
    --red:        #eb5757;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }

  body {
    background: var(--black);
    color: var(--white);
    font-family: var(--sans);
    font-weight: 300;
    letter-spacing: 0.02em;
    min-height: 100vh;
  }

  /* ── HEADER ── */
  header {
    background: var(--black-mid);
    border-bottom: 1px solid rgba(201,168,76,0.18);
    padding: 1.8rem 3rem;
    display: flex; align-items: center; justify-content: space-between;
  }
  header img { height: 3rem; width: auto; }
  .header-label {
    font-size: 0.55rem; font-weight: 700;
    letter-spacing: 0.25em; text-transform: uppercase;
    color: var(--gold);
  }

  /* ── HERO ── */
  .checklist-hero {
    text-align: center;
    padding: 5rem 2rem 3rem;
    max-width: 700px;
    margin: 0 auto;
  }
  .hero-tag {
    display: inline-block;
    font-size: 0.55rem; font-weight: 700;
    letter-spacing: 0.28em; text-transform: uppercase;
    color: var(--black); background: var(--gold);
    padding: 0.35rem 1.2rem; margin-bottom: 1.8rem;
  }
  .checklist-hero h1 {
    font-family: var(--serif);
    font-size: clamp(2rem, 5vw, 3.8rem);
    font-weight: 400; line-height: 1.12;
    color: var(--white); margin-bottom: 1rem;
  }
  .checklist-hero h1 em { font-style: italic; color: var(--gold); }
  .checklist-hero p {
    font-size: 0.85rem; line-height: 1.85;
    color: var(--white-dim); max-width: 50ch; margin: 0 auto 1rem;
  }
  .score-preview {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.65rem; color: var(--gold);
    letter-spacing: 0.1em; margin-top: 0.5rem;
  }

  /* ── CHECKLIST ── */
  .checklist-wrap {
    max-width: 780px; margin: 0 auto;
    padding: 0 1.5rem 4rem;
  }
  .checklist-intro {
    font-size: 0.8rem; font-weight: 600;
    letter-spacing: 0.12em; color: var(--gold);
    text-align: center; margin-bottom: 2.5rem;
    text-transform: uppercase;
  }
  .check-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 1.2rem;
    padding: 1.4rem 1.8rem;
    border: 1px solid rgba(201,168,76,0.12);
    background: var(--black-mid);
    margin-bottom: 0.7rem;
    cursor: pointer;
    transition: border-color 0.25s, background 0.25s, transform 0.2s;
    user-select: none;
  }
  .check-item:hover {
    border-color: rgba(201,168,76,0.35);
    transform: translateX(4px);
  }
  .check-item.yes {
    border-color: rgba(111,207,151,0.4);
    background: rgba(111,207,151,0.05);
  }
  .check-item.no {
    border-color: rgba(235,87,87,0.3);
    background: rgba(235,87,87,0.04);
  }
  .check-num {
    font-family: var(--serif);
    font-size: 1.4rem; font-weight: 300;
    color: rgba(201,168,76,0.4);
    min-width: 1.8rem; text-align: center;
  }
  .check-item.yes .check-num { color: var(--green); }
  .check-item.no .check-num  { color: var(--red); opacity: 0.6; }
  .check-text {
    font-size: 0.82rem; line-height: 1.5;
    color: var(--white); font-weight: 300;
  }
  .check-item.yes .check-text { color: var(--white); }
  .check-item.no  .check-text { color: var(--white-dim); }
  .check-btn {
    font-size: 0.52rem; font-weight: 700;
    letter-spacing: 0.15em; text-transform: uppercase;
    padding: 0.4rem 0.9rem; border: 1px solid;
    cursor: pointer; font-family: var(--sans);
    transition: all 0.2s; background: transparent;
  }
  .check-btn.yes-btn {
    border-color: rgba(111,207,151,0.4); color: var(--green);
  }
  .check-btn.yes-btn:hover, .check-item.yes .check-btn.yes-btn {
    background: var(--green); color: var(--black); border-color: var(--green);
  }
  .check-btn.no-btn {
    border-color: rgba(235,87,87,0.3); color: rgba(235,87,87,0.6);
  }
  .check-btn.no-btn:hover, .check-item.no .check-btn.no-btn {
    background: var(--red); color: var(--white); border-color: var(--red);
  }
  .check-icon {
    font-size: 1.1rem; min-width: 1.4rem; text-align: center;
    opacity: 0; transition: opacity 0.25s;
  }
  .check-item.yes .check-icon { opacity: 1; }
  .check-item.no  .check-icon { opacity: 1; }

  /* ── SCORE PANEL ── */
  .score-panel {
    position: sticky; bottom: 0; left: 0; right: 0;
    background: var(--black-mid);
    border-top: 1px solid rgba(201,168,76,0.2);
    padding: 1rem 2rem;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 1rem;
    z-index: 50;
  }
  .score-left { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
  .score-number {
    font-family: var(--serif); font-size: 2.2rem;
    font-weight: 300; color: var(--gold); line-height: 1;
  }
  .score-label {
    font-size: 0.55rem; font-weight: 700;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--white-dim); display: block; margin-top: 0.2rem;
  }
  .score-bar-wrap {
    display: flex; align-items: center; gap: 1rem;
  }
  .score-bar {
    width: 180px; height: 4px;
    background: rgba(201,168,76,0.15); border-radius: 2px;
  }
  .score-bar-fill {
    height: 100%; background: var(--gold);
    border-radius: 2px; transition: width 0.5s ease;
    width: 0%;
  }
  .score-verdict {
    font-size: 0.65rem; color: var(--white-dim); letter-spacing: 0.06em;
  }
  .score-cta {
    font-size: 0.58rem; font-weight: 700;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--black); background: var(--gold);
    padding: 0.8rem 1.8rem; border: none; cursor: pointer;
    font-family: var(--sans); text-decoration: none;
    transition: background 0.3s; display: inline-block;
  }
  .score-cta:hover { background: var(--gold-light); }

  /* ── RESULT SECTION ── */
  #result {
    max-width: 780px; margin: 0 auto;
    padding: 0 1.5rem 6rem;
    display: none;
  }
  .result-card {
    padding: 3rem;
    border: 1px solid rgba(201,168,76,0.25);
    background: var(--black-mid);
    text-align: center; margin-bottom: 2rem;
  }
  .result-score-big {
    font-family: var(--serif);
    font-size: 5rem; font-weight: 300;
    color: var(--gold); line-height: 1;
    margin-bottom: 0.5rem;
  }
  .result-grade {
    font-size: 0.6rem; font-weight: 700;
    letter-spacing: 0.25em; text-transform: uppercase;
    margin-bottom: 1rem; display: block;
  }
  .result-title {
    font-family: var(--serif); font-size: 2rem;
    font-weight: 400; color: var(--white); margin-bottom: 0.8rem;
  }
  .result-desc {
    font-size: 0.82rem; line-height: 1.9;
    color: var(--white-dim); max-width: 55ch; margin: 0 auto 2rem;
  }
  .result-gaps {
    text-align: left; margin: 2rem 0;
    border-top: 1px solid rgba(201,168,76,0.15);
    padding-top: 2rem;
  }
  .result-gaps h4 {
    font-size: 0.6rem; font-weight: 700;
    letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 1rem;
  }
  .gap-item {
    display: flex; align-items: flex-start; gap: 1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 0.75rem; color: var(--white-dim); line-height: 1.6;
  }
  .gap-item::before { content: '✗'; color: var(--red); flex-shrink: 0; }

  /* ── BOOKING ── */
  #booking {
    max-width: 780px; margin: 0 auto;
    padding: 0 1.5rem 8rem;
  }
  .booking-card {
    border: 1px solid rgba(201,168,76,0.2);
    background: var(--black-mid); overflow: hidden;
  }
  .booking-header {
    background: var(--gold); padding: 2rem 2.5rem;
    display: flex; align-items: center; gap: 1.5rem;
  }
  .booking-header-text h2 {
    font-family: var(--serif); font-size: 1.8rem;
    font-weight: 400; color: var(--black); line-height: 1.2;
  }
  .booking-header-text p {
    font-size: 0.68rem; color: rgba(10,10,10,0.65);
    letter-spacing: 0.08em; margin-top: 0.3rem;
  }
  .booking-body { padding: 2.5rem; }
  .booking-david {
    display: flex; align-items: center; gap: 1.5rem;
    margin-bottom: 2rem; padding-bottom: 2rem;
    border-bottom: 1px solid rgba(201,168,76,0.12);
  }
  .david-avatar {
    width: 4rem; height: 4rem;
    border: 1px solid rgba(201,168,76,0.3);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--serif); font-size: 1.5rem; color: var(--gold);
    flex-shrink: 0; background: rgba(201,168,76,0.08);
  }
  .david-info h4 {
    font-family: var(--serif); font-size: 1.2rem;
    color: var(--white); margin-bottom: 0.2rem;
  }
  .david-info span {
    font-size: 0.6rem; letter-spacing: 0.15em;
    text-transform: uppercase; color: var(--gold);
  }
  .session-types {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 2rem;
  }
  .session-type {
    padding: 1.5rem; border: 1px solid rgba(201,168,76,0.15);
    background: var(--black); cursor: pointer;
    transition: border-color 0.3s; position: relative;
  }
  .session-type:hover { border-color: rgba(201,168,76,0.4); }
  .session-type.selected {
    border-color: var(--gold);
    background: rgba(201,168,76,0.05);
  }
  .session-type.selected::after {
    content: '✦';
    position: absolute; top: 0.8rem; right: 0.8rem;
    color: var(--gold); font-size: 0.7rem;
  }
  .session-type h4 {
    font-family: var(--serif); font-size: 1rem;
    color: var(--white); margin-bottom: 0.3rem;
  }
  .session-type p {
    font-size: 0.65rem; color: var(--white-dim); line-height: 1.6;
  }
  .session-duration {
    font-size: 0.52rem; font-weight: 700;
    letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--gold); display: block; margin-bottom: 0.4rem;
  }
  .booking-form { display: flex; flex-direction: column; gap: 1rem; }
  .booking-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .booking-group { display: flex; flex-direction: column; gap: 0.4rem; }
  .booking-group label {
    font-size: 0.52rem; font-weight: 700;
    letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold);
  }
  .booking-group input,
  .booking-group select,
  .booking-group textarea {
    background: var(--black); border: 1px solid rgba(201,168,76,0.18);
    color: var(--white); font-family: var(--sans);
    font-size: 0.78rem; font-weight: 300;
    padding: 0.85rem 1rem; outline: none;
    transition: border-color 0.3s; width: 100%;
  }
  .booking-group input:focus,
  .booking-group select:focus,
  .booking-group textarea:focus { border-color: var(--gold); }
  .booking-group select option { background: var(--black-mid); }
  .booking-note {
    font-size: 0.62rem; color: var(--white-dim); line-height: 1.7;
    padding: 1rem; background: rgba(201,168,76,0.03);
    border: 1px solid rgba(201,168,76,0.1);
  }
  .booking-success {
    display: none; text-align: center; padding: 3rem;
  }
  .booking-success h3 {
    font-family: var(--serif); font-size: 2rem;
    color: var(--gold); margin-bottom: 0.5rem;
  }
  .booking-success p {
    font-size: 0.8rem; color: var(--white-dim); line-height: 1.8;
  }

  /* ── FOOTER ── */
  .checklist-footer {
    background: var(--black-mid);
    border-top: 1px solid rgba(201,168,76,0.1);
    padding: 2rem 3rem;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 1rem;
  }
  .checklist-footer img { height: 2rem; width: auto; }
  .checklist-footer p {
    font-size: 0.58rem; color: rgba(212,207,198,0.4); letter-spacing: 0.08em;
  }
  .btn-primary {
    display: inline-block; padding: 1rem 2.2rem;
    background: var(--gold); color: var(--black);
    font-family: var(--sans); font-size: 0.6rem;
    font-weight: 700; letter-spacing: 0.22em;
    text-transform: uppercase; text-decoration: none;
    transition: background 0.3s, transform 0.2s;
    border: none; cursor: pointer;
  }
  .btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }
  .btn-secondary {
    display: inline-block; padding: 1rem 2.2rem;
    border: 1px solid rgba(201,168,76,0.5); color: var(--gold);
    font-family: var(--sans); font-size: 0.6rem;
    font-weight: 600; letter-spacing: 0.22em;
    text-transform: uppercase; text-decoration: none;
    transition: border-color 0.3s, background 0.3s;
  }
  .btn-secondary:hover { border-color: var(--gold); background: rgba(201,168,76,0.06); }
  .form-note {
    font-size: 0.62rem; color: var(--white-dim); line-height: 1.6;
  }

  @media (max-width: 680px) {
    header { padding: 1.2rem 1.5rem; }
    .checklist-hero { padding: 3rem 1.5rem 2rem; }
    .check-item { grid-template-columns: auto 1fr; gap: 0.8rem; padding: 1rem; }
    .check-btn { display: none; }
    .session-types { grid-template-columns: 1fr; }
    .booking-row { grid-template-columns: 1fr; }
    .score-bar-wrap { display: none; }
    .checklist-footer { flex-direction: column; text-align: center; }
  }