:root {
    --blue: #1B8AC2;
    --red: #E8234A;
    --orange: #E8632A;
    --dark: #0D1117;
    --dark2: #141B24;
    --mid: #1E2A38;
    --light: #F4F7FA;
    --white: #FFFFFF;
    --text: #CBD5E1;
    --text-muted: #64748B;
    --border: rgba(255,255,255,0.07);
    --radius: 16px;
    --radius-sm: 8px;
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
  }

  /* ─── NAV ─── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 0 24px;
    background: rgba(13,17,23,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
  }

  .nav-logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 22px;
    letter-spacing: 2px;
    color: var(--white);
    text-decoration: none;
  }

  .nav-logo span { color: var(--blue); }

  .nav-links {
    display: flex; gap: 8px; list-style: none;
  }

  .nav-links a {
    color: var(--text); text-decoration: none;
    font-size: 14px; font-weight: 500;
    padding: 8px 16px; border-radius: 100px;
    transition: all .2s;
  }

  .nav-links a:hover { color: var(--white); background: var(--border); }
  .nav-links a.active { color: var(--white); background: var(--blue); }

  .nav-cta {
    background: var(--red);
    color: var(--white) !important;
    font-weight: 600 !important;
  }

  .nav-cta:hover { background: #c91d3e !important; }

  .nav-burger {
    display: none;
    flex-direction: column; gap: 5px;
    cursor: pointer; padding: 8px;
    background: none; border: none;
  }

  .nav-burger span {
    display: block; width: 24px; height: 2px;
    background: var(--white); border-radius: 2px;
    transition: all .3s;
  }

  /* ─── MOBILE NAV ─── */
  .mobile-menu {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    background: var(--dark); z-index: 99;
    padding: 32px 24px;
    flex-direction: column; gap: 8px;
  }

  .mobile-menu.open { display: flex; }

  .mobile-menu a {
    color: var(--white); text-decoration: none;
    font-size: 22px; font-weight: 500;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    transition: color .2s;
  }

  .mobile-menu a:hover { color: var(--blue); }

  /* ─── PAGE ROUTER ─── */
  .page { display: none; }
  .page.active { display: block; }

  /* ─── HERO HOME ─── */
  .hero-home {
    min-height: 100vh;
    padding: 64px 24px 80px;
    display: flex; align-items: center;
    background:
      radial-gradient(ellipse 80% 60% at 60% 40%, rgba(27,138,194,0.12) 0%, transparent 60%),
      radial-gradient(ellipse 50% 40% at 80% 80%, rgba(232,35,74,0.08) 0%, transparent 50%),
      var(--dark);
    position: relative; overflow: hidden;
  }

  .hero-home::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(27,138,194,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(27,138,194,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
  }

  .hero-inner {
    max-width: 1100px; margin: 0 auto; width: 100%;
    display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
  }

  .hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(27,138,194,0.15);
    border: 1px solid rgba(27,138,194,0.3);
    color: var(--blue);
    font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
    padding: 6px 14px; border-radius: 100px;
    margin-bottom: 24px;
  }

  .hero-tag::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--blue);
    border-radius: 50%;
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .5; transform: scale(1.4); }
  }

  .hero-h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(48px, 7vw, 80px);
    line-height: 0.95;
    color: var(--white);
    letter-spacing: 1px;
    margin-bottom: 24px;
  }

  .hero-h1 em {
    font-style: normal;
    -webkit-text-stroke: 1px var(--blue);
    color: transparent;
  }

  .hero-sub {
    font-size: 18px; color: var(--text);
    max-width: 480px;
    margin-bottom: 40px;
    font-weight: 300; line-height: 1.7;
  }

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

  .btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--blue); color: var(--white);
    font-size: 15px; font-weight: 600;
    padding: 14px 28px; border-radius: 100px;
    text-decoration: none;
    transition: all .2s; border: none; cursor: pointer;
    white-space: nowrap;
  }

  .btn-primary:hover { background: #1577aa; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(27,138,194,0.3); }

  .btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--white);
    font-size: 15px; font-weight: 500;
    padding: 14px 28px; border-radius: 100px;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.15);
    transition: all .2s; cursor: pointer;
    white-space: nowrap;
  }

  .btn-secondary:hover { border-color: rgba(255,255,255,0.35); background: rgba(255,255,255,0.05); }

  .btn-red {
    background: var(--red);
  }
  .btn-red:hover { background: #c91d3e; box-shadow: 0 8px 24px rgba(232,35,74,0.3); }

  .hero-visual {
    display: flex; flex-direction: column; gap: 16px;
  }

  .hero-cards {
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  }

  .hero-card {
    background: var(--mid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: transform .2s, border-color .2s;
    cursor: pointer;
    text-decoration: none;
  }

  .hero-card:hover { transform: translateY(-4px); border-color: var(--blue); }

  .hero-card-icon {
    font-size: 28px; margin-bottom: 10px;
  }

  .hero-card-title {
    font-size: 15px; font-weight: 600; color: var(--white);
    margin-bottom: 4px;
  }

  .hero-card-desc {
    font-size: 12px; color: var(--text-muted);
  }

  .hero-card-price {
    margin-top: 12px;
    font-size: 18px; font-weight: 700; color: var(--blue);
  }

  .hero-stats {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  }

  .stat-card {
    background: var(--mid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
  }

  .stat-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 32px; color: var(--white);
    letter-spacing: 1px;
  }

  .stat-num span { color: var(--blue); }

  .stat-label {
    font-size: 11px; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 1px;
    margin-top: 2px;
  }

  /* ─── SECTIONS ─── */
  section { padding: 80px 24px; }

  .section-inner { max-width: 1100px; margin: 0 auto; }

  .section-tag {
    display: inline-block;
    font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
    color: var(--blue); margin-bottom: 16px;
  }

  .section-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(28px, 4vw, 44px);
    color: var(--white); line-height: 1.15;
    margin-bottom: 16px;
  }

  .section-title em { font-style: italic; color: var(--blue); }

  .section-sub {
    font-size: 17px; color: var(--text);
    max-width: 600px; line-height: 1.7; font-weight: 300;
    margin-bottom: 48px;
  }

  /* ─── FISIO PAGE ─── */
  .fisio-hero {
    padding: 120px 24px 80px;
    background:
      radial-gradient(ellipse 70% 50% at 30% 50%, rgba(232,35,74,0.1) 0%, transparent 60%),
      var(--dark);
    text-align: center;
  }

  .fisio-hero .hero-h1 { margin: 0 auto 24px; }

  .fisio-hero .hero-sub {
    margin: 0 auto 40px;
    text-align: center;
  }

  .fisio-hero .hero-btns { justify-content: center; }

  /* Pain points grid */
  .pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 48px;
  }

  .pain-card {
    background: var(--mid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex; align-items: flex-start; gap: 16px;
    transition: border-color .2s;
  }

  .pain-card:hover { border-color: rgba(232,35,74,0.4); }

  .pain-icon {
    width: 40px; height: 40px; border-radius: 10px;
    background: rgba(232,35,74,0.12);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; flex-shrink: 0;
  }

  .pain-text strong {
    display: block; color: var(--white);
    font-size: 15px; margin-bottom: 4px;
  }

  .pain-text span { font-size: 13px; color: var(--text-muted); }

  /* Pricing cards */
  .price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 48px;
  }

  .price-card {
    background: var(--mid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    transition: transform .2s, border-color .2s;
  }

  .price-card:hover { transform: translateY(-4px); }

  .price-card.featured {
    border-color: var(--blue);
    background: linear-gradient(135deg, rgba(27,138,194,0.1), var(--mid));
  }

  .price-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--blue); color: var(--white);
    font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
    padding: 4px 14px; border-radius: 100px;
  }

  .price-name {
    font-size: 14px; color: var(--text-muted); text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 8px;
  }

  .price-amount {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 56px; color: var(--white);
    line-height: 1; margin-bottom: 4px;
  }

  .price-amount span { font-size: 24px; color: var(--text-muted); }

  .price-duration {
    font-size: 13px; color: var(--text-muted); margin-bottom: 24px;
  }

  .price-features {
    list-style: none; display: flex; flex-direction: column; gap: 10px;
    margin-bottom: 28px;
  }

  .price-features li {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 14px; color: var(--text);
  }

  .price-features li::before {
    content: '✓';
    color: var(--blue); font-weight: 700; flex-shrink: 0;
    margin-top: 1px;
  }

  /* Steps */
  .steps {
    display: flex; flex-direction: column; gap: 0;
    margin-top: 48px; position: relative;
  }

  .steps::before {
    content: '';
    position: absolute; left: 28px; top: 56px; bottom: 56px; width: 2px;
    background: linear-gradient(to bottom, var(--blue), var(--orange));
  }

  .step {
    display: flex; gap: 24px; align-items: flex-start;
    padding: 24px 0;
  }

  .step-num {
    width: 56px; height: 56px; border-radius: 50%;
    background: var(--mid); border: 2px solid var(--blue);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Bebas Neue', sans-serif; font-size: 22px; color: var(--blue);
    flex-shrink: 0; position: relative; z-index: 1;
  }

  .step-content strong {
    display: block; color: var(--white); font-size: 17px; margin-bottom: 6px;
    padding-top: 12px;
  }

  .step-content p { font-size: 14px; color: var(--text-muted); max-width: 500px; }

  /* Differentiator block */
  .diff-block {
    background: linear-gradient(135deg, rgba(27,138,194,0.08), rgba(232,35,74,0.05));
    border: 1px solid rgba(27,138,194,0.2);
    border-radius: var(--radius);
    padding: 40px;
    margin: 48px 0;
    position: relative; overflow: hidden;
  }

  .diff-block::before {
    content: '"';
    position: absolute; top: -20px; right: 32px;
    font-family: 'DM Serif Display', serif;
    font-size: 200px; color: rgba(27,138,194,0.06);
    line-height: 1; pointer-events: none;
  }

  .diff-block p {
    font-size: 18px; line-height: 1.8; color: var(--text);
    font-weight: 300; max-width: 680px;
  }

  .diff-block strong { color: var(--white); font-weight: 600; }

  /* Reviews */
  .reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px; margin-top: 48px;
  }

  .review-card {
    background: var(--mid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
  }

  .review-stars {
    color: #F59E0B; font-size: 14px; margin-bottom: 12px; letter-spacing: 2px;
  }

  .review-text {
    font-size: 14px; color: var(--text); line-height: 1.7;
    font-style: italic; margin-bottom: 16px;
  }

  .review-author {
    display: flex; align-items: center; gap: 10px;
  }

  .review-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), var(--orange));
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; color: var(--white);
    flex-shrink: 0;
  }

  .review-name { font-size: 13px; font-weight: 600; color: var(--white); }
  .review-sport { font-size: 11px; color: var(--text-muted); }

  /* ─── RUNNING PAGE ─── */
  .running-hero {
    padding: 120px 24px 80px;
    background:
      radial-gradient(ellipse 70% 50% at 70% 40%, rgba(27,138,194,0.12) 0%, transparent 60%),
      var(--dark);
  }

  .running-hero-inner {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 3fr 2fr; gap: 64px; align-items: center;
  }

  /* Profiles */
  .profiles-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px; margin-top: 48px;
  }

  .profile-card {
    background: var(--mid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: border-color .2s;
  }

  .profile-card:hover { border-color: var(--blue); }

  .profile-emoji { font-size: 32px; margin-bottom: 12px; }

  .profile-title {
    font-size: 16px; font-weight: 600; color: var(--white); margin-bottom: 8px;
  }

  .profile-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

  /* Includes list */
  .includes-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px; margin-top: 48px;
  }

  .include-item {
    background: var(--mid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
  }

  .include-icon { font-size: 22px; margin-bottom: 10px; }

  .include-title {
    font-size: 14px; font-weight: 600; color: var(--white); margin-bottom: 4px;
  }

  .include-desc { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

  /* FAQ */
  .faq-list { margin-top: 48px; display: flex; flex-direction: column; gap: 4px; }

  .faq-item {
    background: var(--mid);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
  }

  .faq-q {
    width: 100%; background: none; border: none; cursor: pointer;
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px;
    color: var(--white); font-size: 15px; font-weight: 500;
    font-family: 'DM Sans', sans-serif;
    text-align: left;
    transition: color .2s;
  }

  .faq-q:hover { color: var(--blue); }

  .faq-arrow {
    font-size: 18px; transition: transform .3s; flex-shrink: 0; margin-left: 16px;
    color: var(--blue);
  }

  .faq-item.open .faq-arrow { transform: rotate(45deg); }

  .faq-a {
    max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s;
    padding: 0 24px;
    font-size: 14px; color: var(--text-muted); line-height: 1.7;
  }

  .faq-item.open .faq-a {
    max-height: 300px;
    padding: 0 24px 20px;
  }

  /* ─── CTA SECTION ─── */
  .cta-section {
    padding: 80px 24px;
    text-align: center;
    background:
      radial-gradient(ellipse 60% 60% at 50% 50%, rgba(27,138,194,0.08) 0%, transparent 70%),
      var(--dark);
  }

  .cta-inner { max-width: 600px; margin: 0 auto; }

  .cta-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(36px, 5vw, 60px);
    color: var(--white); letter-spacing: 1px;
    margin-bottom: 16px; line-height: 1;
  }

  .cta-sub {
    font-size: 16px; color: var(--text);
    margin-bottom: 36px; line-height: 1.7; font-weight: 300;
  }

  .cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

  /* ─── DIVIDER ─── */
  .divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 0 24px;
  }

  /* ─── FOOTER ─── */
  footer {
    padding: 48px 24px 32px;
    border-top: 1px solid var(--border);
  }

  .footer-inner {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px;
  }

  .footer-brand p {
    font-size: 13px; color: var(--text-muted); margin-top: 12px;
    max-width: 280px; line-height: 1.7;
  }

  .footer-col h4 {
    font-size: 12px; font-weight: 700; letter-spacing: 1.5px;
    text-transform: uppercase; color: var(--text-muted);
    margin-bottom: 16px;
  }

  .footer-col a {
    display: block; color: var(--text); text-decoration: none;
    font-size: 14px; padding: 4px 0;
    transition: color .2s;
  }

  .footer-col a:hover { color: var(--blue); }

  .footer-bottom {
    max-width: 1100px; margin: 32px auto 0;
    padding-top: 24px; border-top: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 8px;
  }

  .footer-bottom p { font-size: 12px; color: var(--text-muted); }

  /* ─── WA FLOAT ─── */
  .wa-float {
    position: fixed; bottom: 24px; right: 24px; z-index: 99;
    width: 56px; height: 56px; border-radius: 50%;
    background: #25D366;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    text-decoration: none;
    transition: transform .2s, box-shadow .2s;
    animation: bounceIn .5s ease 1s both;
  }

  .wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }

  .wa-float svg { width: 28px; height: 28px; fill: white; }

  @keyframes bounceIn {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
  }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-burger { display: flex; }

    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { order: -1; }
    .hero-h1 { font-size: 52px; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); }

    .running-hero-inner { grid-template-columns: 1fr; gap: 40px; }

    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .diff-block { padding: 28px; }
    .diff-block p { font-size: 16px; }

    section { padding: 60px 24px; }

    .steps::before { left: 27px; }
  }

  @media (max-width: 480px) {
    .hero-btns { flex-direction: column; }
    .cta-btns { flex-direction: column; align-items: center; }
    .hero-cards { grid-template-columns: 1fr; }
    .price-grid { grid-template-columns: 1fr; }
  }

  /* ─── ANIMATIONS ─── */
  .fade-up {
    opacity: 0; transform: translateY(32px);
    transition: opacity .6s ease, transform .6s ease;
  }

  .fade-up.visible {
    opacity: 1; transform: translateY(0);
  }