/* SECTION BASE */
  section { padding: 72px 6vw; }
  .label { display: inline-block; background: var(--mint-light); color: #3a7515; padding: 4px 13px; border-radius: 100px; font-size: 11px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 12px; }
  .h2 { font-size: clamp(26px, 3vw, 44px); font-weight: 800; line-height: 1.12; letter-spacing: -1px; margin-bottom: 8px; }
  .lead { font-size: 16px; color: var(--muted); line-height: 1.6; }

    /* HOW */
  .how { background: var(--white); }
  .steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; position: relative; margin-top: 44px; }
  .steps::before { content: ''; position: absolute; top: 44px; left: 12%; right: 12%; height: 2px; background: linear-gradient(90deg, var(--mint), #b8df8a); z-index: 0; }
  .step { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 16px; position: relative; z-index: 1; opacity: 0; transform: translateY(16px); transition: opacity .5s, transform .5s; }
  .step.visible { opacity: 1; transform: translateY(0); }
  .step:nth-child(2){transition-delay:.1s} .step:nth-child(3){transition-delay:.2s} .step:nth-child(4){transition-delay:.3s}
  .step-num { width: 88px; height: 88px; border-radius: 50%; background: var(--timber); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 40px; font-weight: 900; margin-bottom: 20px; border: 4px solid var(--white); box-shadow: 0 8px 20px rgba(28,49,44,.25); }
  .step h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
  .step p { font-size: 13px; color: var(--muted); line-height: 1.5; }

  /* VIDEO PROOF */
  .video-frame {
    position: relative; justify-self: center; width: min(100%, 360px);
    border-radius: 34px; padding: 12px;
    background: linear-gradient(145deg, rgba(255,255,255,.96), rgba(232,245,216,.96));
    box-shadow: 0 24px 60px rgba(28,49,44,.18);
    border: 1px solid rgba(116,186,64,.22);
    isolation: isolate;
  }

  .video-frame video {
    display: block; width: 100%; aspect-ratio: 9 / 16; object-fit: cover;
    border-radius: 24px; background: var(--timber);
  }
  .video-caption { margin-top: 14px; color: var(--muted); font-size: 12px; line-height: 1.5; text-align: center; }

  /* WASTE TYPES */
  .waste { background: var(--gray); text-align: center; }
  .waste .lead { max-width: 820px; margin: 0 auto; }
  .waste-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 40px; max-width: 820px; margin-left: auto; margin-right: auto; }
  .waste-card { background: var(--white); border-radius: 16px; padding: 18px 12px; text-align: center; box-shadow: 0 1px 12px rgba(28,49,44,.05); border: 1px solid #e8efe4; transition: transform .2s, border-color .2s; }
  .waste-card:hover { transform: translateY(-3px); border-color: var(--mint); }
  .waste-icon { font-size: 25px; margin-bottom: 8px; }
  .waste-card h3 { font-size: 12px; font-weight: 700; }

  /* APP SCREENSHOTS CAROUSEL */
  .screenshots { background: var(--timber); padding: 72px 0; overflow: hidden; }
  .screenshots-inner { padding: 0 6vw; margin-bottom: 36px; }
  .screenshots .label { background: rgba(116,186,64,.2); color: var(--mint); }
  .screenshots .h2 { color: var(--white); }
  .screenshots .lead { color: rgba(255,255,255,.55); }
  .carousel-track {
    display: flex; gap: 16px;
    padding: 16px 6vw 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .carousel-track::-webkit-scrollbar { display: none; }
  .carousel-shell { position: relative; }
  .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #a8da7a 0%, var(--mint) 42%, #4b8f23 100%);
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .35);
    transition: transform .2s, box-shadow .2s;
  }
  .carousel-btn:hover { transform: translateY(-50%) scale(1.06); box-shadow: 0 14px 28px rgba(0, 0, 0, .45); }
  .carousel-btn-left { left: 2.2vw; }
  .carousel-btn-right { right: 2.2vw; }
  .carousel-nav-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 14px;
  }
  .carousel-dot {
    width: 10px;
    height: 10px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.28);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
    cursor: pointer;
    transition: transform .2s, background .2s;
  }
  .carousel-dot.active {
    background: radial-gradient(circle at 35% 35%, #d8f3be 0%, #8ed356 44%, #4f9d27 100%);
    transform: scale(1.25);
  }
  .carousel-item {
    flex: 0 0 auto;
    scroll-snap-align: start;
    border-radius: 24px; overflow: hidden;
    box-shadow: 0 20px 48px rgba(0,0,0,.4);
    transition: transform .25s;
    height: 520px; width: auto;
  }
  .carousel-item:hover { transform: scale(1.02) translateY(-4px); }
  .carousel-item img { height: 100%; width: auto; display: block; }

    /* TRUST */
  .trust { background: var(--white); }
  .trust .lead { max-width: 760px; }
  .trust-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 390px); align-items: center; gap: 38px; margin-top: 0; }
  .trust-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .trust-card {
    background: linear-gradient(180deg, #fff 0%, var(--gray) 100%);
    border-radius: 14px; padding: 20px 18px;
    border: 1px solid #dfe8d9;
    box-shadow: 0 8px 24px rgba(28,49,44,.06);
  }
  .trust-kicker {
    width: 32px; height: 32px; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--mint-light); color: #3a7515;
    font-size: 12px; font-weight: 900; margin-bottom: 12px;
  }
  .trust-card h3 { font-size: 16px; line-height: 1.25; margin-bottom: 6px; color: var(--timber); }
  .trust-card p { color: var(--muted); font-size: 13px; line-height: 1.5; }

      /* STATS */
  .stats { background: var(--timber); }
  .stats .label { background: rgba(116,186,64,.2); color: var(--mint); }
  .stats .h2 { color: var(--white); }
  .stats .lead { color: rgba(255,255,255,.55); max-width: 680px; }
  .stats-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 44px; }
  .stat-card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 20px; padding: 28px 20px; text-align: center; opacity: 0; transform: translateY(20px); transition: opacity .5s, transform .5s; }
  .stat-card.visible { opacity: 1; transform: translateY(0); }
  .stat-card:nth-child(2){transition-delay:.1s} .stat-card:nth-child(3){transition-delay:.2s} .stat-card:nth-child(4){transition-delay:.3s} .stat-card:nth-child(5){transition-delay:.4s} .stat-card:nth-child(6){transition-delay:.5s}
  .stat-value { font-size: clamp(24px, 2.8vw, 42px); font-weight: 900; color: var(--white); line-height: 1; margin-bottom: 6px; letter-spacing: -1.5px; }
  .stat-value span { color: var(--mint); }
  .stat-label { font-size: 13px; color: rgba(255,255,255,.5); font-weight: 500; }

    /* FOOTER */
  footer { background: var(--black); padding: 52px 6vw 28px; }
  .footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
  .footer-logo svg { height: 28px; margin-bottom: 14px; }
  .footer-logo .cls-1 { fill: #74BA40; }
  .footer-logo .cls-2 { fill: #FFFFFF; }
  .footer-desc { font-size: 13px; color: rgba(255,255,255,.4); line-height: 1.6; margin-bottom: 20px; }
  .social-links { display: flex; gap: 8px; }
  .social-link { width: 34px; height: 34px; border-radius: 9px; background: rgba(255,255,255,.07); display: flex; align-items: center; justify-content: center; text-decoration: none; font-size: 14px; color: rgba(255,255,255,.5); transition: background .2s, color .2s; border: 1px solid rgba(255,255,255,.08); }
  .social-link:hover { background: var(--mint); border-color: var(--mint); }
  .footer-col h4 { font-size: 12px; font-weight: 700; color: var(--white); margin-bottom: 14px; letter-spacing: .3px; text-transform: uppercase; }
  .footer-col ul { list-style: none; }
  .footer-col ul li { margin-bottom: 9px; }
  .footer-col ul a { font-size: 13px; color: rgba(255,255,255,.4); text-decoration: none; transition: color .2s; }
  .footer-col ul a:hover { color: var(--mint); }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,.07); padding-top: 24px; display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 10px; }
  .footer-bottom p { font-size: 11px; color: rgba(255,255,255,.25); }
  .footer-bottom a { font-size: 11px; color: rgba(255,255,255,.25); text-decoration: none; }
  .footer-bottom a:hover { color: var(--mint); }