/* ═══════════════════════════════════════════════════════════════════════
   MEGA Theme - Component Styles
   Contains: forms, drawer, modals, buttons, cards, animations
   ═══════════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════════════
   Buttons
   ═══════════════════════════════════════════════════════════════════════ */

.btn-primary,
.btn-secondary,
.btn-dark {
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary {
  padding: 18px 30px;
  background: #fff;
  color: var(--ink);
  font-size: 12px;
}
.btn-primary:hover {
  background: var(--accent);
  color: #fff;
}

.btn-secondary {
  padding: 18px 30px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.34);
  font-size: 12px;
}
.btn-secondary:hover {
  background: #fff;
  color: var(--ink);
}

.btn-dark {
  padding: 16px 28px;
  background: var(--ink);
  color: #fff;
  font-size: 11px;
}
.btn-dark:hover {
  background: var(--accent);
}

/* ═══════════════════════════════════════════════════════════════════════
   Two-Step RFQ Form
   ═══════════════════════════════════════════════════════════════════════ */

.contact-form-2step {
  background: #f8f7f3;
  padding: 42px;
  border: 1px solid var(--line);
}

.rfq-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-family: 'Archivo', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rfq-step {
  color: var(--muted-2);
  transition: color 0.25s ease;
  white-space: nowrap;
}
.rfq-step.is-active {
  color: var(--ink);
}

.rfq-dots {
  color: var(--line);
}

.rfq-step-1,
.rfq-step-2 {
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.rfq-step-2.is-hidden {
  display: none;
}

.rfq-row {
  margin-bottom: 14px;
}

.rfq-row label {
  font-family: 'Archivo', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.rfq-row input,
.rfq-row select,
.rfq-row textarea {
  width: 100%;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--line);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--ink);
  border-radius: 0;
  outline: none;
  transition: border-color 0.2s;
}
.rfq-row input:focus,
.rfq-row select:focus,
.rfq-row textarea:focus {
  border-color: var(--ink);
}

.rfq-row textarea {
  min-height: 90px;
  resize: vertical;
}

.rfq-row small {
  color: var(--muted-2);
  font-weight: 400;
}

.rfq-continue,
.rfq-submit,
.rfq-back {
  padding: 16px 28px;
  margin-top: 8px;
}

.rfq-buttons {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.rfq-privacy {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 14px;
  text-align: center;
}
.rfq-privacy a {
  color: var(--accent);
}

.rfq-hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════════════════
   Catalog Gate Modal
   ═══════════════════════════════════════════════════════════════════════ */

.cgm-overlay {
  position: fixed;
  inset: 0;
  z-index: 1002;
  background: rgba(10,10,10,0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.cgm-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.cgm-modal {
  max-width: 420px;
  width: 100%;
  background: #fafaf8;
  padding: 32px;
  position: relative;
}

.cgm-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.cgm-close:hover {
  background: var(--bg-2);
}

.cgm-eyebrow {
  font-family: 'Archivo', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}

.cgm-form h3 {
  font-family: 'Archivo', sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cgm-lead {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.cgm-row {
  margin-bottom: 14px;
}

.cgm-row label {
  font-family: 'Archivo', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.cgm-row input {
  width: 100%;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--line);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}
.cgm-row input:focus {
  border-color: var(--ink);
}

.cgm-submit {
  width: 100%;
  padding: 16px;
  background: var(--ink);
  color: #fff;
  border: none;
  font-family: 'Archivo', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}
.cgm-submit:hover {
  background: var(--accent);
}

.cgm-error {
  display: none;
  color: var(--accent);
  font-size: 13px;
  margin-top: 12px;
}
.cgm-error.is-visible {
  display: block;
}

.cgm-fineprint {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 14px;
}
.cgm-fineprint a {
  color: var(--accent);
}

.cgm-hp {
  position: absolute;
  left: -10000px;
}

/* Success state */
.cgm-modal.is-success .cgm-form {
  display: none;
}

.cgm-success {
  display: none;
  text-align: center;
}
.cgm-modal.is-success .cgm-success {
  display: block;
}

.mega-form-status {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.mega-form-status.is-error {
  color: var(--accent);
}

.mega-form-status.is-success {
  color: #1d6b46;
}

.cgm-check {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 16px;
}

.cgm-success h4 {
  font-family: 'Archivo', sans-serif;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
}

.cgm-success p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
}

.cgm-dl {
  display: inline-flex;
  padding: 16px 28px;
  background: var(--accent);
  color: #fff;
  font-family: 'Archivo', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.2s;
}
.cgm-dl:hover {
  background: #dd4934;
}

/* ═══════════════════════════════════════════════════════════════════════
   Video Lightbox
   ═══════════════════════════════════════════════════════════════════════ */

.video-overlay {
  position: fixed;
  inset: 0;
  z-index: 1003;
  background: rgba(0,0,0,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.video-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.video-modal {
  max-width: 900px;
  width: 100%;
  padding: 20px;
  position: relative;
}

.video-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  transition: background 0.2s;
}
.video-close:hover {
  background: rgba(255,255,255,0.25);
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ═══════════════════════════════════════════════════════════════════════
   WhatsApp Float Button
   ═══════════════════════════════════════════════════════════════════════ */

.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform 0.3s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

/* ═══════════════════════════════════════════════════════════════════════
   Ghost Numbers ( watermark effect)
   ═══════════════════════════════════════════════════════════════════════ */

.ghost-num {
  font-family: 'Archivo', sans-serif;
  font-size: 240px;
  font-weight: 200;
  color: rgba(200,55,42,0.07);
  position: absolute;
  top: 20px;
  right: 20px;
  line-height: 1;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════════════════
   FAQ Cards
   ═══════════════════════════════════════════════════════════════════════ */

.faq-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
}

.faq-item {
  background: #171717;
  border: 1px solid #282828;
  padding: 28px;
  transition: all 0.25s ease;
  position: relative;
}
.faq-item:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: #1a1a1a;
}

.faq-feature {
  min-height: 280px;
}

.faq-item h4 {
  font-family: 'Archivo', sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 12px;
  color: #fff;
}

.faq-item p {
  font-size: 14px;
  color: #bcbcb7;
  line-height: 1.75;
}

.faq-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid #262626;
  position: relative;
  z-index: 2;
}

.faq-chip {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.faq-chip .k {
  font-family: 'Archivo', sans-serif;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
}
.faq-chip .k .unit {
  font-size: 0.55em;
  color: var(--accent);
  font-weight: 600;
  margin-left: 2px;
}
.faq-chip .v {
  font-family: 'Archivo', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8a8a85;
  line-height: 1.3;
}
.cgm-success .cgm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 8px;
}
.cgm-success .cgm-dl-secondary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  background: transparent;
  color: #141413;
  border: 1.5px solid #141413;
  font-family: 'Archivo', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}
.cgm-success .cgm-dl-secondary:hover {
  background: #141413;
  color: #fff;
}
.cgm-success .cgm-or {
  font-size: 11px;
  color: #8d8d87;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 14px 0 4px;
}

/* ═══════════════════════════════════════════════════════════════════════
   Process Timeline
   ═══════════════════════════════════════════════════════════════════════ */

.proc-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid #292929;
  position: relative;
}

.proc-step {
  padding: 50px 24px 68px 0;
  border-right: 1px solid #292929;
  min-height: 340px;
  position: relative;
  transition: all 0.3s ease;
}
.proc-step:last-child {
  border-right: none;
}
.proc-step:hover {
  background: #111;
  padding-left: 24px;
}

.step-label {
  font-family: 'Archivo', sans-serif;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: block;
  margin-bottom: 18px;
}

.proc-time {
  font-family: 'Archivo', sans-serif;
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}

.proc-step h4 {
  font-family: 'Archivo', sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
  color: #fff;
}

.proc-step p {
  font-size: 13px;
  color: #b6b6b0;
  line-height: 1.7;
}

.proc-node {
  position: absolute;
  top: -8px;
  left: 24px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--ink);
  transition: all 0.25s ease;
}
.proc-step:hover .proc-node {
  transform: scale(1.15);
  background: var(--accent);
}

/* Red gradient connection line */
.proc-line {
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(200,55,42,0.55) 20%, rgba(200,55,42,0.55) 80%, transparent);
}

/* ═══════════════════════════════════════════════════════════════════════
   Service Cards (2x2 grid)
   ═══════════════════════════════════════════════════════════════════════ */

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  position: relative;
  overflow: hidden;
  background: #101010;
  padding: 44px 48px 40px;
  border: 1px solid #222;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.35s ease, transform 0.35s ease, background 0.35s ease;
}
.service-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: #131313;
}

.service-card .svc-num {
  position: absolute;
  top: -32px;
  right: -12px;
  font-family: 'Archivo', sans-serif;
  font-size: clamp(150px, 18vw, 240px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(200, 55, 42, 0.07);
  pointer-events: none;
  z-index: 1;
  user-select: none;
}

.service-card > *:not(.svc-num) {
  position: relative;
  z-index: 2;
}

.service-card h3 {
  font-family: 'Archivo', sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 18px;
}

.service-card p {
  font-size: 14px;
  color: #b7b7b2;
  line-height: 1.7;
  margin-bottom: 28px;
}

.service-card ul {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid #232323;
}

.service-card li {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #d4d4cf;
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: none;
  padding: 0;
  border: none;
  display: flex;
  align-items: center;
  gap: 12px;
}
.service-card li::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Insights → Products 桥接组件 */
.rp-bridge {
  background: var(--bg-2);
  padding: 80px 0;
  border-top: 1px solid var(--line);
}
.rp-bridge-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 40px;
}
.rp-bridge-head {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 48px;
}
.rp-bridge-head .label {
  justify-content: center;
}
.rp-bridge-head h2 {
  font-family: 'Archivo', sans-serif;
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.1;
  margin-top: 14px;
  color: var(--ink);
}
.rp-bridge-head p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 14px;
}
.rp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.rp-card {
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: border-color .25s ease, transform .35s ease;
}
.rp-card:hover {
  border-color: var(--ink);
  transform: translateY(-3px);
}
.rp-card .rp-thumb {
  aspect-ratio: 4/3;
  background: #eee;
  overflow: hidden;
}
.rp-card .rp-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.rp-card:hover .rp-thumb img {
  transform: scale(1.04);
}
.rp-card .rp-meta {
  padding: 20px 22px 22px;
}
.rp-card .rp-tag {
  font-family: 'Archivo', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}
.rp-card h4 {
  font-family: 'Archivo', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.3;
}
.rp-card .rp-moq {
  font-size: 12px;
  color: var(--muted);
}
.rp-bridge-cta {
  text-align: center;
  margin-top: 36px;
}
.rp-bridge-cta a {
  display: inline-block;
  padding: 16px 28px;
  background: var(--ink);
  color: #fff;
  font-family: 'Archivo', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
}
.rp-bridge-cta a:hover {
  background: var(--accent);
}

/* ═══════════════════════════════════════════════════════════════════════
   Responsive Adjustments
   ═══════════════════════════════════════════════════════════════════════ */

@media (max-width: 1100px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .proc-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-form-2step {
    padding: 28px;
  }
}

@media (max-width: 980px) {
  .faq-chips {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

@media (max-width: 720px) {
  .cgm-modal {
    padding: 24px;
    margin: 12px;
  }

  .faq-item {
    padding: 22px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 36px 30px 32px;
    min-height: auto;
  }

  .rp-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .rp-bridge {
    padding: 56px 0;
  }
}

@media (max-width: 560px) {
  .faq-chips {
    grid-template-columns: 1fr;
  }
}