:root {
    --green: #2ECC71;
    --green-dark: #1a7a43;
    --green-light: #e8faf0;
    --black: #0f0f0f;
    --grey: #6b7280;
    --grey-light: #f4f4f4;
    --white: #ffffff;
  }

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

  body {
    font-family: 'Inter', sans-serif;
    background: var(--white);
    color: var(--black);
    -webkit-font-smoothing: antialiased;
  }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 48px;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
  }
  .logo {
    font-size: 1.4rem; font-weight: 800;
    letter-spacing: -.04em; color: var(--black);
    text-decoration: none;
  }
  .logo span { color: var(--green); }
  .nav-badge {
    font-size: .72rem; font-weight: 600;
    letter-spacing: .08em; text-transform: uppercase;
    color: var(--green); background: var(--green-light);
    padding: 6px 14px; border-radius: 100px;
  }

  /* ── SECTIONS ── */
  section { padding: 96px 48px; }
  .container { max-width: 1080px; margin: 0 auto; }

  /* ── HERO ── */
  .hero {
    min-height: 100vh;
    display: flex; align-items: center;
    padding-top: 80px;
    background: var(--white);
  }
  .hero-inner {
    max-width: 1080px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: center;
  }

  .hero-left { }

  .hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: .75rem; font-weight: 600; letter-spacing: .1em;
    text-transform: uppercase; color: var(--green);
    margin-bottom: 28px;
  }
  .hero-tag::before {
    content: ''; width: 8px; height: 8px;
    background: var(--green); border-radius: 50%;
    animation: pulse 2s ease infinite;
  }

  h1 {
    font-size: clamp(3.5rem, 6vw, 6.5rem);
    font-weight: 900; line-height: .95;
    letter-spacing: -.05em; color: var(--black);
    margin-bottom: 16px;
  }
  h1 .dot { color: var(--green); }

  .hero-sub {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 300; color: var(--grey);
    margin-bottom: 12px; letter-spacing: -.01em;
  }

  .hero-tagline {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    font-weight: 700; color: var(--black);
    letter-spacing: -.01em; margin-bottom: 44px;
  }

  .hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

  .btn-primary {
    background: var(--green); color: var(--white);
    border: none; padding: 16px 32px;
    font-family: 'Inter', sans-serif;
    font-size: .9rem; font-weight: 700;
    letter-spacing: -.01em; border-radius: 8px;
    cursor: pointer; text-decoration: none;
    display: inline-block;
    transition: background .2s, transform .15s;
  }
  .btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); }

  .btn-secondary {
    background: transparent; color: var(--black);
    border: 1.5px solid rgba(0,0,0,0.15);
    padding: 16px 32px;
    font-family: 'Inter', sans-serif;
    font-size: .9rem; font-weight: 600;
    letter-spacing: -.01em; border-radius: 8px;
    cursor: pointer; text-decoration: none;
    display: inline-block;
    transition: border-color .2s, transform .15s;
  }
  .btn-secondary:hover { border-color: var(--black); transform: translateY(-1px); }

  /* hero right */
  .hero-right {
    display: flex; flex-direction: column; gap: 12px;
  }
  .hero-stat {
    background: var(--grey-light);
    border-radius: 16px; padding: 28px 32px;
    display: flex; align-items: center; gap: 20px;
  }
  .hero-stat.green-bg { background: var(--green); }
  .hero-stat.green-bg .stat-num,
  .hero-stat.green-bg .stat-label { color: var(--white); }
  .stat-num {
    font-size: 2.4rem; font-weight: 900;
    letter-spacing: -.04em; color: var(--black); line-height: 1;
  }
  .stat-label {
    font-size: .82rem; font-weight: 500;
    color: var(--grey); line-height: 1.4;
  }
  .stat-label strong { display: block; color: var(--black); font-size: .95rem; }

  /* ── MASTERS ── */
  .masters { background: var(--black); }
  .masters .container { }

  .section-kicker {
    font-size: .72rem; font-weight: 700;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--green); margin-bottom: 16px;
  }

  .masters h2 {
    font-size: clamp(2.2rem, 4vw, 3.8rem);
    font-weight: 900; letter-spacing: -.04em;
    color: var(--white); line-height: 1.05;
    margin-bottom: 48px; max-width: 680px;
  }

  .masters-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 2px; margin-bottom: 48px;
  }
  .master-item {
    background: rgba(255,255,255,.04);
    padding: 32px 36px;
    border: 1px solid rgba(255,255,255,.07);
    transition: background .2s;
  }
  .master-item:hover { background: rgba(255,255,255,.08); }
  .master-item .icon {
    width: 40px; height: 40px; background: var(--green);
    border-radius: 10px; display: flex; align-items: center;
    justify-content: center; font-size: 1.1rem;
    margin-bottom: 16px;
  }
  .master-item h3 {
    font-size: 1rem; font-weight: 700;
    color: var(--white); margin-bottom: 6px;
  }
  .master-item p {
    font-size: .86rem; color: rgba(255,255,255,.4);
    line-height: 1.55; font-weight: 400;
  }

  .masters-insight {
    background: var(--green);
    border-radius: 16px; padding: 36px 44px;
    margin-bottom: 40px;
  }
  .masters-insight p {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 800; color: var(--white);
    letter-spacing: -.03em; line-height: 1.2;
  }

  /* ── HOW ── */
  .how { background: var(--green-light); }
  .how h2 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 900; letter-spacing: -.04em;
    margin-bottom: 48px; color: var(--black);
  }
  .how-grid {
    display: grid; grid-template-columns: repeat(5, 1fr);
    gap: 2px;
  }
  .how-item {
    background: var(--white); padding: 28px 24px;
    border-radius: 0; text-align: left;
  }
  .how-item:first-child { border-radius: 12px 0 0 12px; }
  .how-item:last-child  { border-radius: 0 12px 12px 0; }
  .how-num {
    font-size: 1.8rem; font-weight: 900;
    color: var(--green); letter-spacing: -.04em;
    line-height: 1; margin-bottom: 10px;
  }
  .how-text {
    font-size: .84rem; font-weight: 500;
    color: var(--black); line-height: 1.4;
  }

  /* ── WHY ── */
  .why { background: var(--white); }
  .why h2 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 900; letter-spacing: -.04em;
    margin-bottom: 48px; color: var(--black);
  }
  .why-list {
    display: grid; grid-template-columns: repeat(5, 1fr);
    gap: 24px;
  }
  .why-item { }
  .why-item .check {
    width: 32px; height: 32px; background: var(--green-light);
    border-radius: 8px; display: flex; align-items: center;
    justify-content: center; color: var(--green);
    font-size: .9rem; font-weight: 900; margin-bottom: 12px;
  }
  .why-item h4 {
    font-size: .92rem; font-weight: 700;
    color: var(--black); line-height: 1.3;
  }

  /* ── CLIENTS ── */
  .clients {
    background: var(--grey-light);
    padding: 64px 48px;
  }
  .clients .container {
    display: flex; align-items: center;
    justify-content: space-between; gap: 48px;
    flex-wrap: wrap;
  }
  .clients-left { }
  .clients-left .section-kicker { color: var(--grey); }
  .clients-left h2 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 800; letter-spacing: -.03em;
    color: var(--black); margin-bottom: 20px;
  }
  .clients-pills { display: flex; gap: 10px; flex-wrap: wrap; }
  .cpill {
    background: var(--white); border: 1.5px solid rgba(0,0,0,.1);
    padding: 10px 18px; border-radius: 100px;
    font-size: .82rem; font-weight: 600; color: var(--black);
  }
  .clients-right {
    background: var(--white); border-radius: 16px;
    padding: 28px 36px; min-width: 260px;
    text-align: center;
  }
  .clients-right .big { font-size: 3.5rem; font-weight: 900; letter-spacing: -.05em; color: var(--green); line-height: 1; }
  .clients-right .small { font-size: .82rem; color: var(--grey); margin-top: 6px; }

  /* ── FORM ── */
  .form-section { background: var(--white); }
  .form-section h2 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 900; letter-spacing: -.04em;
    color: var(--black); margin-bottom: 8px;
  }
  .form-section .sub {
    font-size: 1rem; color: var(--grey);
    margin-bottom: 44px; font-weight: 400;
  }

  .form-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 12px; max-width: 680px;
  }
  .form-grid .full { grid-column: 1 / -1; }

  .field { display: flex; flex-direction: column; gap: 6px; }
  .field label {
    font-size: .72rem; font-weight: 700;
    letter-spacing: .08em; text-transform: uppercase;
    color: var(--grey);
  }
  .field input, .field select {
    background: var(--grey-light); border: 1.5px solid transparent;
    border-radius: 8px; padding: 14px 16px;
    font-family: 'Inter', sans-serif; font-size: .95rem;
    color: var(--black); outline: none;
    transition: border-color .2s, background .2s;
    appearance: none;
  }
  .field input:focus, .field select:focus {
    border-color: var(--green); background: var(--white);
  }

  .exp-row {
    display: flex; gap: 10px;
  }
  .exp-btn {
    flex: 1; padding: 14px;
    border: 1.5px solid rgba(0,0,0,.1);
    border-radius: 8px; background: var(--grey-light);
    font-family: 'Inter', sans-serif;
    font-size: .9rem; font-weight: 600;
    color: var(--grey); cursor: pointer;
    transition: all .2s;
  }
  .exp-btn.active, .exp-btn:hover {
    border-color: var(--green); color: var(--green);
    background: var(--green-light);
  }

  .form-submit {
    margin-top: 8px;
    background: var(--green); color: var(--white);
    border: none; padding: 18px 40px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem; font-weight: 700;
    border-radius: 8px; cursor: pointer;
    width: 100%;
    transition: background .2s, transform .15s;
    letter-spacing: -.01em;
  }
  .form-submit:hover { background: var(--green-dark); transform: translateY(-1px); }

  .form-note {
    margin-top: 14px; font-size: .78rem;
    color: var(--grey); font-style: italic;
  }

  /* ── FOOTER ── */
  footer {
    background: var(--black);
    padding: 40px 48px;
    display: flex; align-items: center;
    justify-content: space-between; gap: 20px;
    flex-wrap: wrap;
  }
  .footer-logo { font-size: 1.2rem; font-weight: 900; letter-spacing: -.04em; color: var(--white); }
  .footer-logo span { color: var(--green); }
  footer p { font-size: .78rem; color: rgba(255,255,255,.3); }

  /* ANIMATIONS */
  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .5; transform: scale(.8); }
  }

  .fade-up {
    opacity: 0; transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
  }
  .fade-up.in { opacity: 1; transform: none; }

  /* MOBILE */
  @media (max-width: 768px) {
    nav { padding: 16px 20px; }
    section { padding: 72px 20px; }
    .clients { padding: 52px 20px; }
    footer { padding: 32px 20px; }

    .hero-inner { grid-template-columns: 1fr; gap: 48px; }
    .hero-right { display: none; }
    .masters-grid { grid-template-columns: 1fr; }
    .how-grid { grid-template-columns: 1fr 1fr; }
    .how-item:first-child { border-radius: 12px 12px 0 0; }
    .how-item:last-child { border-radius: 0 0 12px 12px; }
    .why-list { grid-template-columns: 1fr 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .clients .container { flex-direction: column; }
  }