/* ================================================
     FLAT BOTTOM SILO — Product Page Styles
     Uses existing CSS vars from style.css
  ================================================ */

  /* ---- HERO ---- */
  .prod-hero {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #0a1a10;
  }
  .prod-hero__bg {
    position: absolute;
    inset: 0;
    background:      
      linear-gradient(135deg, rgba(0, 10, 4, 0.82) 0%, rgb(0 80 30 / 92%) 100%),
      url('../images/hero-cover-1.jpg')
      center/cover no-repeat;
    z-index: 0;
  }
  /* Geometric overlay pattern */
  .prod-hero__pattern {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
      repeating-linear-gradient(0deg, rgba(0,166,81,0.07) 0px, rgba(0,166,81,0.07) 1px, transparent 1px, transparent 60px),
      repeating-linear-gradient(90deg, rgba(0,166,81,0.07) 0px, rgba(0,166,81,0.07) 1px, transparent 1px, transparent 60px);
  }
  .prod-hero__inner {
    position: relative;
    z-index: 2;
    padding: 6rem 0 4rem;
  }
  .prod-hero__breadcrumb {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .82rem;
    color: rgba(255,255,255,.65);
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
  }
  .prod-hero__breadcrumb a { color: rgba(255,255,255,.65); transition: color .2s; }
  .prod-hero__breadcrumb a:hover { color: var(--green); }
  .prod-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(0,166,81,.18);
    border: 1px solid rgba(0,166,81,.4);
    color: #6fe6a8;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: .38rem .9rem;
    border-radius: 50px;
    margin-bottom: 1.25rem;
  }

.imgbody {
    border-radius: 15px;
    border: solid 2px #6fe6a8;
    margin-bottom: 20px;
    box-shadow: rgba(50, 50, 93, 0.25) 0px 50px 100px -20px, rgba(0, 0, 0, 0.3) 0px 30px 60px -30px, rgba(10, 37, 64, 0.35) 0px -2px 6px 0px inset;
}

  .prod-hero__title {
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -.02em;
  }
  .prod-hero__title span { color: var(--green); }
  .prod-hero__subtitle {
    font-size: 1.05rem;
    color: rgba(255,255,255,.78);
    max-width: 600px;
    line-height: 1.8;
    margin-bottom: 2rem;
  }
  .prod-hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
  .prod-hero__btn-primary {
    background: var(--green);
    color: #fff;
    font-weight: 700;
    font-size: .95rem;
    padding: .85rem 2rem;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    transition: background .2s, transform .2s;
  }
  .prod-hero__btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); }
  .prod-hero__btn-secondary {
    background: rgba(255,255,255,.1);
    border: 1.5px solid rgba(255,255,255,.3);
    color: #fff;
    font-weight: 600;
    font-size: .95rem;
    padding: .85rem 2rem;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    transition: background .2s;
  }
  .prod-hero__btn-secondary:hover { background: rgba(255,255,255,.18); }
  .prod-hero__stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255,255,255,.12);
    flex-wrap: wrap;
  }
  .prod-hero__stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--green);
    line-height: 1;
  }
  .prod-hero__stat-lbl {
    display: block;
    font-size: .78rem;
    color: rgba(255,255,255,.6);
    margin-top: .25rem;
    font-weight: 500;
    letter-spacing: .04em;
    text-transform: uppercase;
  }

  /* ---- INTRO ---- */
  .prod-intro { background: var(--bg-white); }
  .prod-intro__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
  }
  @media(min-width:900px){
    .prod-intro__grid { grid-template-columns: 1fr 1fr; }
  }
  .prod-intro__img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    line-height: 0;
  }
  .prod-intro__img img { width: 100%; height: auto; display: block; }
  .prod-intro__eyebrow {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: .5rem;
  }
  .prod-intro__title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -.02em;
  }
  .prod-intro__body { color: var(--text-muted); line-height: 1.8; margin-bottom: 1rem; }
  .prod-mfg-box {
    background: var(--green-light);
    border-left: 4px solid var(--green);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin-top: 1.5rem;
  }
  .prod-mfg-box h4 { font-size: .95rem; font-weight: 800; color: var(--green-dark); margin-bottom: .4rem; }
  .prod-mfg-box p { font-size: .9rem; color: var(--text); line-height: 1.7; }

  /* ---- VARIANTS ---- */
  .prod-variants { background: var(--bg-light); }
  .prod-variants__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 0;
  }
  @media(min-width:600px){ .prod-variants__grid { grid-template-columns: 1fr 1fr; } }
  @media(min-width:900px){ .prod-variants__grid { grid-template-columns: 1fr 1fr 1fr; } }
  .prod-variant-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    transition: border-color .25s, box-shadow .25s, transform .25s;
    position: relative;
    overflow: hidden;
  }
  .prod-variant-card:hover {
    border-color: var(--green);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }
  .prod-variant-card:nth-child(2) { border-color: var(--blue); }
  .prod-variant-card:nth-child(2):hover { border-color: var(--blue-dark); }
  .prod-variant-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--grad-green);
  }
  .prod-variant-card:nth-child(2)::before { background: var(--grad-blue); }
  .prod-variant-card:nth-child(3)::before { background: linear-gradient(135deg,var(--green),var(--blue)); }
  .prod-variant-icon { font-size: 2.4rem; margin-bottom: 1rem; display: block; }
  .prod-variant-name { font-size: 1.05rem; font-weight: 800; margin-bottom: .5rem; }
  .prod-variant-range { font-size: .88rem; color: var(--text-muted); line-height: 1.7; }

  /* ---- WHY SILOS ---- */
  .prod-why { background: var(--bg-white); }
  .prod-why__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
  }
  @media(min-width:900px){ .prod-why__grid { grid-template-columns: 1fr 1fr; gap: 3.5rem; } }
  .prod-why__feature { display: flex; gap: 1rem; margin-bottom: 1.75rem; }
  .prod-why__feature:last-child { margin-bottom: 0; }
  .prod-why__dot {
    width: 10px; height: 10px;
    background: var(--green);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: .55rem;
  }
  .prod-why__feature-title { font-weight: 700; margin-bottom: .3rem; font-size: .97rem; }
  .prod-why__feature-body { color: var(--text-muted); font-size: .9rem; line-height: 1.75; }
  .prod-why__img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    line-height: 0;
  }
  .prod-why__img img { width: 100%; height: auto; display: block; }

  /* ---- DESIGN STANDARDS ---- */
  .prod-standards { background: var(--bg-light); }
  .prod-standards__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
  }
  @media(min-width:900px){ .prod-standards__inner { grid-template-columns: 1.2fr 1fr; } }
  .prod-standards__tags {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 1.5rem;
  }
  .prod-std-tag {
    background: var(--bg-white);
    border: 2px solid var(--green);
    color: var(--green-dark);
    font-size: .82rem;
    font-weight: 700;
    padding: .45rem 1rem;
    border-radius: 50px;
    letter-spacing: .04em;
  }
  .prod-standards__note {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--blue);
  }
  .prod-standards__note p { color: var(--text-muted); line-height: 1.8; font-size: .93rem; }

  /* ---- PROCESS ---- */
  .prod-process { background: var(--bg-white); }
  .prod-process__steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  @media(min-width:600px){ .prod-process__steps { grid-template-columns: 1fr 1fr; } }
  @media(min-width:1024px){ .prod-process__steps { grid-template-columns: 1fr 1fr 1fr; } }
  .prod-step {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: box-shadow .25s, transform .25s;
  }
  .prod-step:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
  .prod-step__num {
    background: var(--green);
    color: #fff;
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .82rem;
    font-weight: 800;
    flex-shrink: 0;
  }
  .prod-step:nth-child(even) .prod-step__num { background: var(--blue); }
  .prod-step__title { font-weight: 700; font-size: .93rem; margin-bottom: .35rem; }
  .prod-step__body { color: var(--text-muted); font-size: .87rem; line-height: 1.7; }

  /* ---- INSTALLATION ---- */
  .prod-install { background: var(--bg-light); }
  .prod-install__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
  }
  @media(min-width:900px){ .prod-install__grid { grid-template-columns: 1fr 1fr; gap: 3rem; } }
  .prod-install__step {
    display: flex;
    gap: 1rem;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--border);
  }
  .prod-install__step:last-child { border-bottom: none; }
  .prod-install__num {
    width: 30px; height: 30px;
    background: var(--green-light);
    color: var(--green-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .78rem;
    font-weight: 800;
    flex-shrink: 0;
  }
  .prod-install__text { font-size: .9rem; color: var(--text); line-height: 1.7; }
  .prod-install__note {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
  }
  .prod-install__note h4 { font-weight: 800; margin-bottom: .75rem; color: var(--green-dark); font-size: 1rem; }
  .prod-install__note p { color: var(--text-muted); font-size: .9rem; line-height: 1.8; margin-bottom: 1rem; }
  .prod-install__note p:last-child { margin-bottom: 0; }
  .prod-install__note strong { color: var(--text); }

  /* ---- APPLICATIONS ---- */
  .prod-apps { background: var(--bg-white); }
  .prod-apps__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  @media(min-width:600px){ .prod-apps__grid { grid-template-columns: 1fr 1fr; } }
  @media(min-width:900px){ .prod-apps__grid { grid-template-columns: 1fr 1fr 1fr; } }
  .prod-app-item {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.25rem;
    transition: box-shadow .2s;
  }
  .prod-app-item:hover { box-shadow: var(--shadow-sm); }
  .prod-app-icon { font-size: 1.5rem; flex-shrink: 0; }
  .prod-app-label { font-size: .9rem; font-weight: 600; color: var(--text); line-height: 1.5; }

  /* ---- ADVANTAGES ---- */
  .prod-adv { background: var(--bg-light); }
  .prod-adv__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  @media(min-width:700px){ .prod-adv__grid { grid-template-columns: 1fr 1fr; } }
  @media(min-width:1100px){ .prod-adv__grid { grid-template-columns: 1fr 1fr 1fr 1fr; } }
  .prod-adv-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--green);
    transition: box-shadow .25s, transform .25s;
  }
  .prod-adv-card:nth-child(even) { border-top-color: var(--blue); }
  .prod-adv-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
  .prod-adv-card__icon { font-size: 2rem; margin-bottom: .9rem; display: block; }
  .prod-adv-card__title { font-weight: 800; font-size: .95rem; margin-bottom: .6rem; }
  .prod-adv-card__body { color: var(--text-muted); font-size: .87rem; line-height: 1.75; }

  /* ---- KEY BENEFITS ---- */
  .prod-benefits { background: var(--bg-white); }
  .prod-benefits__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  @media(min-width:700px){ .prod-benefits__grid { grid-template-columns: 1fr 1fr; } }
  @media(min-width:1100px){ .prod-benefits__grid { grid-template-columns: 1fr 1fr 1fr; } }
  .prod-benefit-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    align-items: flex-start;
    transition: box-shadow .2s;
  }
  .prod-benefit-item:hover { box-shadow: var(--shadow-sm); }
  .prod-benefit-num {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--green-light);
    line-height: 1;
    flex-shrink: 0;
    font-family: var(--font-display);
  }
  .prod-benefit-item:nth-child(even) .prod-benefit-num { color: var(--blue-light); }
  .prod-benefit-title { font-weight: 700; font-size: .93rem; margin-bottom: .35rem; }
  .prod-benefit-body { color: var(--text-muted); font-size: .87rem; line-height: 1.7; }

  /* ---- ENQUIRY FORM ---- */
  .prod-enquiry { background: var(--bg-light); }
  .prod-enquiry__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
  }
  @media(min-width:900px){ .prod-enquiry__inner { grid-template-columns: 1fr 1.3fr; } }
  .prod-enquiry__info h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 1rem; }
  .prod-enquiry__info p { color: var(--text-muted); line-height: 1.8; margin-bottom: 1.5rem; }
  .prod-enquiry__detail {
    display: flex;
    gap: .75rem;
    align-items: flex-start;
    margin-bottom: 1rem;
    font-size: .9rem;
  }
  .prod-enquiry__detail-icon { font-size: 1.1rem; flex-shrink: 0; }
  .prod-enquiry__detail a { color: var(--green); font-weight: 600; }
  .prod-enquiry__form {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-md);
  }
  .prod-enquiry__form h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 1.5rem; }
  .prod-form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
  }
  @media(min-width:500px){ .prod-form-row { grid-template-columns: 1fr 1fr; } }
  .prod-form-row.full { grid-template-columns: 1fr; }
  .prod-field {
    display: flex;
    flex-direction: column;
    gap: .35rem;
  }
  .prod-field label { font-size: .8rem; font-weight: 700; color: var(--text); letter-spacing: .03em; }
  .prod-field input,
  .prod-field select,
  .prod-field textarea {
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: .7rem .9rem;
    font-size: .9rem;
    color: var(--text);
    background: var(--bg-light);
    transition: border-color .2s;
    outline: none;
    width: 100%;
    font-family: inherit;
  }
  .prod-field input:focus,
  .prod-field select:focus,
  .prod-field textarea:focus { border-color: var(--green); background: var(--bg-white); }
  .prod-field textarea { resize: vertical; min-height: 90px; }
  .prod-form__checkboxes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .6rem;
    margin: 1rem 0;
  }
  @media(min-width:500px){ .prod-form__checkboxes { grid-template-columns: 1fr 1fr 1fr; } }
  .prod-form__cb {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .85rem;
    color: var(--text);
  }
  .prod-form__cb input[type="checkbox"] { accent-color: var(--green); }
  .prod-form__submit {
    background: var(--green);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    padding: .9rem 2.5rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    width: 100%;
    margin-top: .5rem;
    transition: background .2s, transform .2s;
  }
  .prod-form__submit:hover { background: var(--green-dark); transform: translateY(-2px); }