/* =============================================================================
   ARLEN INDUSTRIES — Interior pages
   (loaded via meta styles=['pages'] on non-home routes)
   ========================================================================== */

/* ------------------------------ PAGE HEAD -------------------------------- */
.pagehead { padding-top: calc(var(--header-h) + clamp(50px, 8vw, 120px)); padding-bottom: clamp(30px, 4vw, 60px); position: relative; overflow: hidden; }
.pagehead::after { content: ""; position: absolute; right: -10%; top: -30%; width: 50vw; height: 50vw; background: radial-gradient(circle, var(--accent-glow), transparent 62%); filter: blur(30px); opacity: 0.4; pointer-events: none; }
.pagehead__title { font-size: var(--fs-h1); line-height: 0.98; margin: 22px 0 26px; }
.pagehead__title em { font-style: italic; }
.pagehead .lead { max-width: 62ch; }

/* -------------------------------- PROSE ---------------------------------- */
.prose { max-width: 900px; margin-inline: auto; display: grid; gap: clamp(30px, 4vw, 54px); }
.prose.measure { max-width: var(--maxw-text); }
.prose__block { display: grid; gap: 14px; }
.prose__heading { font-size: var(--fs-h3); margin-bottom: 4px; }
.prose__body { display: grid; gap: 14px; }
.prose__body p, .prose p { color: var(--text-dim); font-size: 1.05rem; line-height: 1.7; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose__list { display: grid; gap: 12px; margin-top: 8px; }
.prose__list li { display: flex; align-items: flex-start; gap: 12px; color: var(--text); }
.prose__check { width: 20px; height: 20px; color: var(--accent); flex: 0 0 auto; margin-top: 3px; }
.prose__faq { margin-top: 20px; }

/* --------------------------------- FAQ ----------------------------------- */
.faq__list--full { max-width: 100%; }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; text-align: left; font-family: var(--font-display); font-weight: 600; font-size: clamp(1.05rem, 1rem + 0.4vw, 1.25rem); color: var(--text-dim); transition: color 0.3s var(--ease); }
.faq__item.is-open .faq__q, .faq__q:hover { color: var(--text); }
.faq__toggle { position: relative; flex: 0 0 auto; width: 22px; height: 22px; }
.faq__toggle::before, .faq__toggle::after { content: ""; position: absolute; top: 50%; left: 50%; width: 14px; height: 1.6px; background: var(--accent); transform: translate(-50%, -50%); transition: transform 0.4s var(--ease); }
.faq__toggle::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__item.is-open .faq__toggle::after { transform: translate(-50%, -50%) rotate(0); }
.faq__a { overflow: hidden; height: 0; transition: height 0.5s var(--ease); }
.faq__a-inner { padding-bottom: 24px; color: var(--text-dim); max-width: 68ch; }

/* ------------------------- PRODUCT GRID + CARD --------------------------- */
.pgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pcard__link { display: block; }
.pcard__media { position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); border: 1px solid var(--line-soft); }
.pcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.pcard__link:hover .pcard__media img { transform: scale(1.06); }
.pcard__placeholder { position: absolute; inset: 0; display: grid; place-items: center; background: repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 12px, transparent 12px 24px), radial-gradient(circle at 50% 30%, rgba(200,162,74,0.14), transparent 60%); }
.pcard__placeholder span { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.8rem; color: var(--text-mute); }
.pcard__badge { position: absolute; top: 14px; left: 14px; padding: 6px 12px; border-radius: 100px; background: rgba(10,10,11,0.6); backdrop-filter: blur(8px); border: 1px solid var(--line); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); }
.pcard__body { padding: 18px 4px 0; }
.pcard__name { font-size: 1.15rem; margin-bottom: 8px; }
.pcard__summary { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 12px; }
.pcard__more { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 600; font-size: 0.88rem; }
.pcard__arrow { width: 16px; height: 16px; transition: transform 0.4s var(--ease); }
.pcard__link:hover .pcard__arrow { transform: translateX(5px); }
.catgroup + .catgroup { padding-top: 0; }

/* ----------------------------- PRODUCT DETAIL ---------------------------- */
.pdp { padding-top: calc(var(--header-h) + clamp(40px, 6vw, 80px)); padding-bottom: var(--section-y); }
.pdp__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 70px); align-items: start; }
.pdp__stage { position: sticky; top: 110px; aspect-ratio: 4 / 5; border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); border: 1px solid var(--line-soft); }
.pdp__stage img { width: 100%; height: 100%; object-fit: cover; }
.pdp__placeholder { position: absolute; inset: 0; display: grid; place-items: center; background: repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 14px, transparent 14px 28px), radial-gradient(circle at 60% 30%, rgba(200,162,74,0.16), transparent 60%); }
.pdp__placeholder span { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-mute); }
.pdp__thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pdp__thumbs img { width: 76px; height: 95px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line-soft); cursor: pointer; }
.pdp__crumbs { display: flex; gap: 8px; color: var(--text-mute); font-size: 0.85rem; margin-bottom: 18px; }
.pdp__crumbs a:hover { color: var(--accent); }
.pdp__name { font-size: var(--fs-h2); line-height: 1.02; margin-bottom: 16px; }
.pdp__summary { font-size: var(--fs-lead); color: var(--accent-soft); margin-bottom: 18px; }
.pdp__desc { color: var(--text-dim); line-height: 1.7; margin-bottom: 24px; }
.pdp__features { display: grid; gap: 10px; margin-bottom: 28px; }
.pdp__features li { display: flex; align-items: flex-start; gap: 12px; }
.pdp__check { width: 20px; height: 20px; color: var(--accent); flex: 0 0 auto; margin-top: 2px; }
.pdp__specs { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; margin-bottom: 30px; }
.pdp__spec { background: var(--bg-elev); padding: 16px 18px; display: grid; gap: 4px; }
.pdp__spec dt { color: var(--text-mute); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; }
.pdp__spec dd { font-family: var(--font-display); font-weight: 500; }
.pdp__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.pdp__note { color: var(--text-mute); font-size: 0.88rem; }

/* -------------------------------- INQUIRY -------------------------------- */
.inquiry { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(30px, 4vw, 60px); align-items: start; }
.inquiry__card { position: sticky; top: 110px; background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: 34px; }
.inquiry__card-title { font-size: 1.3rem; margin-bottom: 22px; }
.inquiry__points { display: grid; gap: 14px; margin-bottom: 26px; }
.inquiry__points li { display: flex; align-items: flex-start; gap: 12px; color: var(--text-dim); font-size: 0.95rem; }
.ip__i { width: 20px; height: 20px; color: var(--accent); flex: 0 0 auto; margin-top: 2px; }
.inquiry__contact { display: grid; gap: 6px; padding-top: 22px; border-top: 1px solid var(--line-soft); }
.inquiry__contact a { color: var(--text); font-weight: 500; }
.inquiry__contact a:hover { color: var(--accent); }

/* Forms */
.form { display: grid; gap: 22px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 0.85rem; font-weight: 500; color: var(--text-dim); }
.field label span { color: var(--accent); }
.field input, .field select, .field textarea {
    width: 100%; padding: 14px 16px; background: var(--bg-elev);
    border: 1px solid var(--line); border-radius: 12px; color: var(--text);
    font-size: 0.98rem; transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); background: var(--surface); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23c8a24a' stroke-width='2'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 44px; }
.field__err { color: #e88; font-size: 0.82rem; }
.form__submit { justify-self: start; margin-top: 6px; }
.form__note { color: var(--text-mute); font-size: 0.82rem; }
.form__note a { color: var(--accent); }

/* Alerts */
.alert { display: flex; align-items: flex-start; gap: 14px; padding: 18px 22px; border-radius: 14px; margin-bottom: 26px; border: 1px solid var(--line); }
.alert--ok { background: rgba(200,162,74,0.1); border-color: rgba(200,162,74,0.35); }
.alert--err { background: rgba(230,120,120,0.08); border-color: rgba(230,120,120,0.3); }
.alert__i { width: 22px; height: 22px; color: var(--accent); flex: 0 0 auto; margin-top: 1px; }
.alert p { font-size: 0.95rem; }

/* ------------------------------ ERROR PAGE ------------------------------- */
.errpage { padding-top: calc(var(--header-h) + clamp(60px, 10vw, 140px)); text-align: center; }
.errpage__inner { display: grid; justify-items: center; gap: 16px; }
.errpage__code { font-size: clamp(6rem, 22vw, 16rem); line-height: 0.9; color: transparent; -webkit-text-stroke: 1.5px var(--line); }
.errpage__title { font-size: var(--fs-h2); }
.errpage__actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 16px; }
.errpage__links { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.errpage__links a { color: var(--text-mute); }
.errpage__links a:hover { color: var(--accent); }

/* ------------------------------ RESPONSIVE ------------------------------- */
@media (max-width: 1000px) {
    .pgrid { grid-template-columns: repeat(3, 1fr); }
    .pdp__grid, .inquiry { grid-template-columns: 1fr; }
    .pdp__stage, .inquiry__card { position: static; }
}
@media (max-width: 720px) {
    .pgrid { grid-template-columns: repeat(2, 1fr); }
    .form__row { grid-template-columns: 1fr; }
}
@media (max-width: 440px) {
    .pgrid { grid-template-columns: 1fr; }
    .pdp__specs { grid-template-columns: 1fr; }
}