/**
 * MFG Machinery — Shared components: buttons, hero, sections, feature cards,
 * CTA strip, page header, breadcrumb, contact form, video grid, FAQs
 */

/* ----- Hero ----- */
.hero {
  position: relative;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 4rem 0;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(44, 62, 80, 0.92) 0%,
    rgba(52, 73, 94, 0.88) 100%
  );
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-content h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
}

.hero-content p {
  margin: 0 0 1.5rem;
  opacity: 0.92;
  font-size: 1.05rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform 0.15s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--color-accent-hover);
  color: var(--color-white);
}

.btn:active {
  transform: translateY(1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

.hero-media {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

/* ----- Sections ----- */
section {
  padding: 2rem 0;
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-primary);
}

.section-lead {
  margin: 0 0 2rem;
  color: var(--color-muted);
  max-width: 640px;
}

/* Feature grid (home) */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 700px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--color-white);
  padding: 1.75rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--color-accent);
}

.feature-card h3 {
  margin: 0 0 0.75rem;
  color: var(--color-primary);
  font-size: 1.125rem;
}

.feature-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* CTA strip */
.cta-strip {
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: 2.5rem 1rem;
}

.cta-strip h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
}

.cta-strip p {
  margin: 0 0 1.25rem;
  opacity: 0.9;
}

/* ----- Page header (inner pages) ----- */
.page-header {
  background: linear-gradient(
    120deg,
    var(--color-primary) 0%,
    var(--color-primary-light) 100%
  );
  color: var(--color-white);
  padding: 1rem 0;
}

.page-header h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.page-header p {
  margin: 0.5rem 0 0;
  opacity: 0.9;
  /* max-width: 560px; */
}

/* ----- Breadcrumb (semantic nav) ----- */
.breadcrumb {
  padding: 0.75rem 0 0;
  font-size: 0.875rem;
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 0.35rem;
  opacity: 0.5;
}

/* ----- Contact form ----- */
.contact-layout {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr 1.1fr;
  }
}

.contact-info {
  position: relative;
  background-color: var(--color-white);
  background-image: url("https://image.mfg-machinery.com/images/contract_us.png");
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: 100% auto;
  color: var(--color-primary);
  padding: 2rem;
  /* Reserve space so the map sits below the text (padding % is of box width). */
  padding-bottom: calc(2rem + 100% * 962 / 1100);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.contact-info__cta {
  margin-top: 1.5rem;
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--color-primary);
}

.contact-info h2 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
}

.contact-info ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-info li {
  margin-bottom: 1rem;
  padding-left: 0;
}

.contact-info a {
  color: var(--color-primary);
  text-decoration: none;
}

.contact-info a:hover,
.contact-info a:focus-visible {
  color: var(--color-primary-light);
}

.form-card {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid #bdc3c7;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  border-color: var(--color-accent);
  outline: none;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group .error-msg {
  display: none;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: #c0392b;
}

.form-group.is-invalid input,
.form-group.is-invalid textarea {
  border-color: #c0392b;
}

.form-group.is-invalid .error-msg {
  display: block;
}

.form-message {
  display: none;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.form-message.is-visible {
  display: block;
}

.form-message.success {
  background: #d5f4e6;
  color: #1e8449;
}

.form-message.error {
  background: #fadbd8;
  color: #922b21;
}

/* ----- Video grid ----- */
.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 700px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.video-card {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--color-primary);
  cursor: pointer;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.video-thumb::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%232c3e50'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 58% center;
  background-size: 28px 28px;
}

.video-card .body {
  padding: 1rem 1.25rem 1.25rem;
}

.video-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--color-primary);
}

.video-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* ----- FAQs (accordion) ----- */
.faq-page {
  padding: 1.5rem 0 2.75rem;
  background: #f4f6f7;
}

.faq-section {
  margin-bottom: 2rem;
  padding: 0;
}

.faq-section:last-of-type {
  margin-bottom: 1.25rem;
}

.faq-section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  font-weight: 800;
  color: var(--color-primary);
}

.faq-list {
  display: grid;
  gap: 0.65rem;
}

.faq-item {
  border: 1px solid rgba(44, 62, 80, 0.1);
  border-radius: 12px;
  background: var(--color-white);
  box-shadow: 0 2px 12px rgba(44, 62, 80, 0.06);
  overflow: clip;
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--color-text, #2c3e50);
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::marker {
  display: none;
}

.faq-item summary::after {
  content: "\25BE";
  flex-shrink: 0;
  font-size: 1.15rem;
  opacity: 0.6;
  margin-top: 0.15em;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item[open] summary {
  border-bottom: 1px solid rgba(44, 62, 80, 0.08);
  padding-bottom: 0.85rem;
}

.faq-a {
  padding: 0 1.1rem 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #3d4f5f;
}

.faq-a p {
  margin: 0 0 0.65rem;
}

.faq-a p:last-child {
  margin-bottom: 0;
}

.faq-a ul {
  margin: 0.35rem 0 0.65rem;
  padding-left: 1.25rem;
}

.faq-a ul li {
  margin-bottom: 0.4rem;
}

.faq-a a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq-page__cta {
  margin: 0.5rem 0 0;
  text-align: center;
}