/* ============================================================
   VASUDHA INNOVATIVE ENGINEERING — Subpages Layout
   subpages.css | Clean, B2B Industrial Layout System
   Rev 1 — Subpage Hero, Grids, Process, Forms, and Cards
   ============================================================ */

/* ── Subpage Hero ─────────────────────────────────────────── */
.subpage-hero {
  position: relative;
  padding: calc(var(--nav-height) + 5rem) var(--page-x) 4rem;
  background: linear-gradient(180deg, var(--clr-bg) 0%, var(--clr-surface) 100%);
  border-bottom: 1px solid var(--clr-border);
  overflow: hidden;
}

.subpage-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 75% 55%, var(--clr-orange-glow) 0%, transparent 70%);
  pointer-events: none;
}

.subpage-hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.subpage-hero__eyebrow {
  font-family: var(--font-condensed);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--clr-orange);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.subpage-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--clr-white);
  margin-bottom: 1.25rem;
}

.subpage-hero__title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--clr-orange), var(--clr-amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subpage-hero__desc {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.2vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--clr-white-45);
  max-width: 580px;
}

/* ── Services Layout (services.html) ─────────────────────── */
.svc-grid-sec {
  padding: clamp(4rem, 8vh, 6rem) 0;
  background: var(--clr-bg);
}

.svc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--page-x);
}

.svc-card {
  position: relative;
  height: 420px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  transition: transform var(--dur-slow) var(--ease-expo), border-color var(--dur-fast), box-shadow var(--dur-slow);
  display: flex;
  flex-direction: column;
}

.svc-card__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--dur-slow) var(--ease-expo);
  z-index: 0;
}

.svc-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--clr-bg) 0%, rgba(8, 8, 9, 0.45) 55%, rgba(8, 8, 9, 0.1) 100%);
  transition: background var(--dur-fast);
  z-index: 1;
}

.svc-card__body {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding: 1.75rem 1.5rem;
}

.svc-card__num {
  font-family: var(--font-condensed);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--clr-orange);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.svc-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  text-transform: uppercase;
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.svc-card__desc {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--clr-white-45);
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--dur-mid) var(--ease-out), opacity var(--dur-mid);
}

.svc-card__bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-orange), var(--clr-amber));
  transition: width var(--dur-mid) var(--ease-out);
  z-index: 3;
}

/* Hover behaviors */
.svc-card:hover {
  transform: translateY(-6px);
  border-color: var(--clr-border-glow);
  box-shadow: var(--shadow-dark-lg), var(--shadow-orange-sm);
}

.svc-card:hover .svc-card__bg {
  transform: scale(1.05);
}

.svc-card:hover .svc-card__overlay {
  background: linear-gradient(to top, var(--clr-bg) 0%, rgba(8, 8, 9, 0.6) 55%, rgba(8, 8, 9, 0.2) 100%);
}

.svc-card:hover .svc-card__desc {
  max-height: 80px;
  opacity: 1;
}

.svc-card:hover .svc-card__bar {
  width: 100%;
}

/* ── Process Section (services.html) ─────────────────────── */
.process-sec {
  padding: clamp(5rem, 10vh, 8rem) 0;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  position: relative;
  overflow: hidden;
}

.process-sec__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--page-x);
}

.process__header {
  margin-bottom: var(--space-xl);
  text-align: left;
}

.process__heading {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--clr-white);
  line-height: 1.1;
}

.process__heading em {
  font-style: normal;
  background: linear-gradient(120deg, var(--clr-orange), var(--clr-amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.process__card {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}

.process__card:hover {
  border-color: var(--clr-border-glow);
  transform: translateY(-2px);
}

.process__card-num {
  font-family: var(--font-condensed);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--clr-orange);
  line-height: 1;
  margin-bottom: 1rem;
  display: block;
}

.process__card-name {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--clr-white);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.process__card-desc {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--clr-white-45);
  line-height: 1.6;
}

/* ── Products Layout (products.html) ─────────────────────── */
.prod-catalog-sec {
  padding: clamp(4rem, 8vh, 6rem) 0;
  background: var(--clr-bg);
}

.prod-catalog-sec__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--page-x);
}

.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.prod-card {
  position: relative;
  height: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  transition: transform var(--dur-slow) var(--ease-expo), border-color var(--dur-fast), box-shadow var(--dur-slow);
  display: flex;
  flex-direction: column;
}

.prod-card__img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--dur-slow) var(--ease-expo);
  z-index: 0;
}

.prod-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--clr-bg) 0%, rgba(8, 8, 9, 0.4) 50%, rgba(8, 8, 9, 0.1) 100%);
  transition: background var(--dur-fast);
  z-index: 1;
}

.prod-card__body {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding: 2rem 1.75rem;
}

.prod-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.875rem;
}

.prod-card__tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--clr-orange-glow-strong);
  background: var(--clr-orange-glow);
  font-family: var(--font-body);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-orange);
}

.prod-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  text-transform: uppercase;
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.prod-card__desc {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--clr-white-45);
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--dur-mid) var(--ease-out), opacity var(--dur-mid);
}

.prod-card__corner {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 24px;
  height: 24px;
  border-top: 1.5px solid var(--clr-white-20);
  border-right: 1.5px solid var(--clr-white-20);
  transition: border-color var(--dur-fast), transform var(--dur-fast);
  z-index: 2;
}

/* Hover behaviors */
.prod-card:hover {
  transform: translateY(-6px);
  border-color: var(--clr-border-glow);
  box-shadow: var(--shadow-dark-lg), var(--shadow-orange-sm);
}

.prod-card:hover .prod-card__img {
  transform: scale(1.05);
}

.prod-card:hover .prod-card__overlay {
  background: linear-gradient(to top, var(--clr-bg) 0%, rgba(8, 8, 9, 0.55) 50%, rgba(8, 8, 9, 0.2) 100%);
}

.prod-card:hover .prod-card__desc {
  max-height: 80px;
  opacity: 1;
}

.prod-card:hover .prod-card__corner {
  border-color: var(--clr-orange);
  transform: translate(2px, -2px);
}

/* ── Contact Layout (contact.html) ───────────────────────── */
.contact-sec {
  padding: clamp(4rem, 8vh, 6rem) 0;
  background: var(--clr-bg);
}

.contact-sec__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--page-x);
}

.contact-grid {
  display: grid;
  grid-template-columns: 52fr 48fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: 2rem;
}

.contact__title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--clr-orange), var(--clr-amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-form__group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-form__group label {
  font-family: var(--font-condensed);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-white-45);
}

.contact-form__input,
.contact-form__textarea {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--clr-white);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-mid);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1.125rem;
  width: 100%;
  outline: none;
  transition: border-color var(--dur-fast), background var(--dur-fast), box-shadow var(--dur-fast);
}

.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: var(--clr-white-20);
}

.contact-form__input:focus,
.contact-form__textarea:focus {
  border-color: var(--clr-orange);
  background: var(--clr-surface-3);
  box-shadow: 0 0 12px rgba(249, 115, 22, 0.15);
}

.contact-form__textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-form__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: none;
  background: linear-gradient(135deg, var(--clr-orange) 0%, var(--clr-orange-dim) 100%);
  color: var(--clr-white);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform var(--dur-fast), box-shadow var(--dur-fast);
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.25);
  margin-top: 0.5rem;
}

.contact-form__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.45);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.contact-info__header {
  border-bottom: 1px solid var(--clr-border);
  padding-bottom: 1.5rem;
}

.contact-info__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-white);
}

.contact-info__name em {
  font-style: normal;
  color: var(--clr-orange);
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-detail__lbl {
  font-family: var(--font-condensed);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-orange);
}

.contact-detail__val {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--clr-white-95);
  text-decoration: none;
  line-height: 1.4;
  transition: color var(--dur-fast);
}

a.contact-detail__val:hover {
  color: var(--clr-orange);
}

.contact-detail__sub {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--clr-white-45);
}

/* Map frame wrap */
.contact-map-wrap {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border-mid);
  box-shadow: var(--shadow-dark-sm);
  margin-top: 1.5rem;
  background: var(--clr-surface-2);
}

.contact-map-wrap iframe {
  display: block;
}

/* ── Media Queries ────────────────────────────────────────── */
@media (max-width: 1100px) {
  .svc-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .prod-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .svc-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .process__grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .prod-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .subpage-hero {
    padding-top: calc(var(--nav-height) + 3.5rem);
    padding-bottom: 2.5rem;
  }
}