.av-home-page * { box-sizing: border-box; }
.av-home-page { overflow-x: hidden; }
.av-reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.av-reveal.is-visible { opacity: 1; transform: translateY(0); }
.av-home-blueprint-bg {
    position: absolute; inset: 0; pointer-events: none;
    background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 42px 42px;
}
.av-home-blueprint-bg--dark {
    background-image: linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
}
.av-home-label {  font-size: 13px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--secondary); margin-bottom: 16px; display: inline-flex; align-items: center; gap: 10px; }
.av-home-heading {  font-weight: 800; text-transform: uppercase; color: var(--primary); margin: 0; line-height: 1.2; }
.av-home-heading span { color: var(--primary); }

/* ============================================================
   01. HERO
   ============================================================ */
.av-home-hero { position: relative; background: linear-gradient(120deg, var(--text-dark) 0%, var(--primary) 100%); color: #fff; padding: 190px 0 70px; overflow: hidden; }
.av-home-hero__grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 0.95fr; gap: 50px; align-items: center; }
.av-home-hero__label { color: var(--secondary);  font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 20px; }
.av-home-hero__heading { color: var(--metal); font-size: 52px; font-weight: 700; text-transform: uppercase; line-height: 1.15; margin: 0 0 22px; }
.av-home-hero__heading span { color: var(--secondary); }
.av-home-hero__text { font-size: 16px; line-height: 1.85; color: rgba(255,255,255,0.75); max-width: 480px; margin-bottom: 32px; }
.av-home-hero__btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.av-home-hero__btn-ghost { border: 2px solid rgba(255,255,255,0.4); color: #fff; padding: 14px 30px; font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; border-radius: 4px; transition: border-color .2s ease, background .2s ease; }
.av-home-hero__btn-ghost:hover { border-color: var(--secondary); background: rgba(255,255,255,0.06); }
.av-home-hero__strip { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid rgba(255,255,255,0.15); max-width: 520px; }
.av-home-hero__strip span {  font-size: 11.5px; letter-spacing: 1px; text-transform: uppercase; color: rgba(255,255,255,0.55); padding: 16px 20px 0 0; }

.av-home-hero__media { position: relative; }
.av-home-hero__product { border-radius: 6px; position: relative; border: 1px solid rgba(255,255,255,0.18); padding: 20px; overflow: hidden; }
.av-home-hero__product::before, .av-home-hero__product::after { border-radius: 6px 0 0 0; content: ""; position: absolute; width: 24px; height: 24px; border: 2px solid var(--secondary); }
.av-home-hero__product::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.av-home-hero__product::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.av-home-hero__slider { position: relative; overflow: hidden; border-radius: 6px; }
.av-home-hero__track { display: flex; transition: transform .5s ease; touch-action: pan-y; }
.av-home-hero__slide { flex: 0 0 100%; min-width: 100%; }
.av-home-hero__img { border-radius: 6px; width: 100%; aspect-ratio: 4/3.4; object-fit: cover; display: block; background: linear-gradient(135deg, var(--metal-dark), var(--text-dark)); }
.av-home-hero__arrow { position: absolute; top: 50%; z-index: 2; width: 38px; height: 38px; border: 1px solid rgba(255,255,255,0.55); border-radius: 50%; background: rgba(10,25,40,0.6); color: #fff; font-size: 22px; line-height: 1; cursor: pointer; transform: translateY(-50%); }
.av-home-hero__arrow--prev { left: 12px; }
.av-home-hero__arrow--next { right: 12px; }
.av-home-hero__dots { position: absolute; z-index: 2; left: 50%; bottom: 14px; display: flex; gap: 7px; transform: translateX(-50%); }
.av-home-hero__dot { width: 8px; height: 8px; padding: 0; border: 1px solid #fff; border-radius: 50%; background: transparent; cursor: pointer; }
.av-home-hero__dot.is-active { background: var(--secondary); border-color: var(--secondary); }
.av-home-hero__annot { position: absolute;  font-size: 10.5px; letter-spacing: 0.6px; text-transform: uppercase; color: rgba(255,255,255,0.65); display: flex; align-items: center; gap: 6px; }
.av-home-hero__annot::before { content: ""; width: 18px; height: 1px; background: var(--secondary); }
.av-home-hero__annot--1 { top: 14%; left: -8%; }
.av-home-hero__annot--2 { top: 48%; right: -12%; flex-direction: row-reverse; }
.av-home-hero__annot--2::before { margin-left: 6px; }
.av-home-hero__annot--3 { bottom: 10%; left: -6%; }

/* ============================================================
   03. ABOUT
   ============================================================ */
.av-home-about { padding: 90px 0; }
.av-home-about__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: center; }
.av-home-about__img-wrap { position: relative; }
.av-home-about__img {border-radius: 6px; width: 100%; aspect-ratio: 4/4.4; object-fit: cover; display: block; background: linear-gradient(135deg, var(--metal-dark), var(--text-dark)); }
.av-home-about__badge {border-radius: 4px; position: absolute; bottom: -24px; left: -24px; background: var(--primary); color: #fff; padding: 22px 26px; max-width: 260px; }
.av-home-about__badge strong { display: block;  font-size: 14px; text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 6px; }
.av-home-about__badge span { font-size: 12px; color: var(--secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.av-home-about__body p { font-size: 15.5px; color: var(--text-light); line-height: 1.85; margin-bottom: 18px; }
.av-home-about__features { margin: 30px 0; }
.av-home-about__feature { display: flex; gap: 18px; padding: 20px 0; border-top: 1px solid var(--border); }
.av-home-about__feature:first-child { border-top: none; }
.av-home-about__feature-num {  font-size: 13px; font-weight: 700; color: var(--secondary); flex-shrink: 0; width: 30px; }
.av-home-about__feature h4 {  font-size: 15px; font-weight: 700; text-transform: uppercase; color: var(--text-dark); margin: 0 0 6px; }
.av-home-about__feature p { font-size: 14px; color: var(--text-light); margin: 0; line-height: 1.6; }

/* ============================================================
   04. PRODUCTS
   ============================================================ */
.av-home-products { padding: 90px 0; background: var(--bg); position: relative; }
.av-home-products__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 50px; }
.av-home-product-card { border-radius: 6px; border: 1px solid var(--border); background: var(--white); position: relative; transition: border-color .2s ease, transform .2s ease; }
.av-home-product-card__img { border-radius: 6px 6px 0 0; width: 100%; aspect-ratio: 16/12; background: linear-gradient(135deg, var(--metal), var(--metal-dark)); position: relative; }
.av-home-product-card__tag { position: absolute; top: 14px; left: 14px; background: var(--secondary); color: #fff;  font-size: 10.5px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; padding: 6px 12px; }
.av-home-product-card__body { padding: 22px; }
.av-home-product-card h4 {  font-size: 18px; font-weight: 700; text-transform: uppercase; color: var(--text-dark); margin: 0 0 8px; line-height: 1.3; }
.av-home-product-card p { font-size: 15px; color: var(--text-light); line-height: 1.6; margin: 0 0 14px; }
.av-home-product-card__meta { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--border); }
.av-home-product-card__data { font-size: 10.5px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; color: var(--accent); }
.av-home-product-card__link { font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; color: var(--primary); }
.av-home-product-card:hover .av-home-product-card__link { color: var(--secondary); }

/* ============================================================
   06. WHY ASTRON
   ============================================================ */
.av-home-why { padding: 90px 0; background: var(--bg); }
.av-home-why__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 50px; border-top: 1px solid var(--border); }
.av-home-why__block { padding: 40px 30px 0; border-right: 1px solid var(--border); position: relative; }
.av-home-why__block:last-child { border-right: none; }
.av-home-why__num {  font-size: 44px; font-weight: 700; color: transparent; -webkit-text-stroke: 1.5px var(--accent); line-height: 1; margin-bottom: 22px; }
.av-home-why__block h3 {  font-size: 15px; font-weight: 700; text-transform: uppercase; color: var(--text-dark); margin: 0 0 12px; letter-spacing: 0.3px; }
.av-home-why__block p { font-size: 13.5px; color: var(--text-light); line-height: 1.7; margin: 0; }

/* ============================================================
   07. MANUFACTURING
   ============================================================ */
.av-home-manufacturing { position: relative; padding: 0; }
.av-home-manufacturing__media { position: relative; aspect-ratio: 16/6; background: linear-gradient(135deg, var(--metal-dark), var(--text-dark)); overflow: hidden; }
.av-home-manufacturing__panel { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(28,59,87,0.92); backdrop-filter: blur(2px); color: #fff; padding: 40px; }
.av-home-manufacturing__panel-inner { display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); gap: 30px; align-items: start; max-width: 1350px; margin: 0 auto; padding: 0 24px; }
.av-home-manufacturing__panel-inner p { font-size: 17px; color: rgba(255,255,255,0.75); line-height: 1.75; margin: 0; }
.av-home-manufacturing__block h4 {  font-size: 18px; font-weight: 700; text-transform: uppercase; margin: 0 0 8px; letter-spacing: 0.4px; color: var(--secondary); }
.av-home-manufacturing__block p { font-size: 17px; color: rgba(255,255,255,0.65); margin: 0; line-height: 1.6; }

/* ============================================================
   08. QUALITY TIMELINE
   ============================================================ */
.av-home-quality { padding: 90px 0; background: #F7F8F7; }
.av-home-quality__timeline { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin: 50px 0 40px; }
.av-home-quality__timeline::before { content: ""; position: absolute; top: 21px; left: 8%; right: 8%; height: 1px; background-image: linear-gradient(90deg, var(--border) 50%, transparent 50%); background-size: 12px 1px; z-index: 0; }
.av-home-quality__step { position: relative; z-index: 1; }
.av-home-quality__step-num { width: 42px; height: 42px; border-radius: 50%; background: var(--white); border: 2px solid var(--secondary); color: var(--primary); display: flex; align-items: center; justify-content: center;  font-weight: 700; font-size: 13px; margin-bottom: 18px; }
.av-home-quality__step h4 {  font-size: 13.5px; font-weight: 700; text-transform: uppercase; color: var(--text-dark); margin: 0 0 8px; letter-spacing: 0.3px; }
.av-home-quality__step p { font-size: 12.5px; color: var(--text-light); margin: 0; line-height: 1.6; }

/* ============================================================
   09. APPLICATIONS GRID
   ============================================================ */
.av-home-applications { position: relative; background: var(--border); color: #fff; padding: 90px 0; overflow: hidden; }
.av-home-applications__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 50px; position: relative; z-index: 1; }
.av-home-app-card { min-height: 290px; display: flex; align-items: flex-end; padding: 24px 20px; position: relative; overflow: hidden; background: var(--text-dark) center/cover no-repeat; border: 1px solid rgba(255,255,255,0.3); border-radius: 5px; transition: transform .25s ease; }
.av-home-app-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(28,59,87,0.04) 25%, rgba(10,25,40,0.9) 100%); transition: background .25s ease; }
.av-home-app-card:hover::before { background: linear-gradient(180deg, rgba(28,59,87,0.12) 15%, rgba(10,25,40,0.96) 100%); }
.av-home-app-card h4 {color: var(--border); position: relative; z-index: 1; font-size: 15px; font-weight: 700; text-transform: none; margin: 0; letter-spacing: 0; line-height: 1.3; }

/* ============================================================
   11. TRUST TYPOGRAPHY
   ============================================================ */
.av-home-statements { position: relative; background: var(--text-dark); color: #fff; padding: 90px 0; overflow: hidden; }
.av-home-statements__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; z-index: 1; }
.av-home-statement { padding: 0 30px; border-right: 1px solid rgba(255,255,255,0.12); }
.av-home-statement:last-child { border-right: none; }
.av-home-statement h3 {  font-size: 26px; font-weight: 700; text-transform: uppercase; color: var(--secondary); margin: 0 0 12px; }
.av-home-statement p { font-size: 13.5px; color: rgba(255,255,255,0.6); margin: 0; line-height: 1.6; }

/* ============================================================
   13. ENQUIRY CTA
   ============================================================ */
.av-home-enquiry { position: relative; background: linear-gradient(120deg, var(--bg), var(--metal)); color: #fff; padding: 90px 0; overflow: hidden; }
.av-home-enquiry__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.av-home-enquiry h2 {  font-size: 32px; font-weight: 700; text-transform: uppercase; margin: 0 0 18px; }
.av-home-enquiry p { font-size: 17px; color: rgba(0, 0, 0, 0.75); line-height: 1.8; margin-bottom: 32px; max-width: 480px; }
.av-home-enquiry__btns { display: flex; gap: 16px; flex-wrap: wrap; }
.av-home-enquiry__valve { width: 100%; aspect-ratio: 4/3.6; object-fit: cover; display: block; background: linear-gradient(135deg, var(--metal), var(--metal-dark)); border-radius: 4px; transform: translateX(6%); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
    .av-home-hero__heading { font-size: 40px; }
    .av-home-products__grid { grid-template-columns: 1fr 1fr; }
    .av-home-why__grid { grid-template-columns: 1fr 1fr; }
    .av-home-why__block { border-bottom: 1px solid var(--border); padding-bottom: 30px; }
    .av-home-applications__grid { grid-template-columns: repeat(3, 1fr); }
    .av-home-statements__grid { grid-template-columns: 1fr 1fr; }
    .av-home-statement { border-bottom: 1px solid rgba(255,255,255,0.12); padding-bottom: 26px; margin-bottom: 26px; }
}
@media (max-width: 992px) {
    .av-home-hero__grid, .av-home-about__grid,
    .av-home-enquiry__grid { grid-template-columns: 1fr; }
    .av-home-manufacturing__panel-inner { grid-template-columns: 1fr; gap: 20px; }
    .av-home-quality__timeline { grid-template-columns: 1fr 1fr; row-gap: 34px; }
    .av-home-quality__timeline::before { display: none; }
}
@media (max-width: 700px) {
    .av-home-products__grid, .av-home-statements__grid { grid-template-columns: 1fr; }
    .av-home-applications__grid { grid-template-columns: 1fr 1fr; }
    .av-home-why__grid { grid-template-columns: 1fr; }
    .av-home-quality__timeline { grid-template-columns: 1fr; }
    .av-home-hero__btns, .av-home-enquiry__btns { flex-direction: column; }
    .av-home-hero__btns > *, .av-home-enquiry__btns > * { width: 100%; text-align: center; }
    .av-home-hero__heading { font-size: 30px; }
}