/* ===== THUE ROBOT - ARTECH EVENTBOT R1 ===== */
.rent-page {
  overflow: hidden;
  background:
    radial-gradient(circle at 6% 8%, rgba(0,166,229,.14), transparent 22rem),
    radial-gradient(circle at 92% 18%, rgba(1,39,116,.08), transparent 25rem),
    #ffffff;
}

.rent-container {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto;
}

.header .active-link::after {
  transform: scaleX(1);
}

/* HERO */
.rent-hero {
  position: relative;
  padding: 34px 0 44px;
  background:
    linear-gradient(135deg, rgba(232,248,255,.92), rgba(255,255,255,.96) 42%, rgba(238,247,255,.9)),
    radial-gradient(circle at right top, rgba(0,166,229,.22), transparent 28rem);
  border-bottom: 1px solid rgba(219,230,247,.9);
}

.rent-hero::before,
.rent-hero::after {
  content: "";
  position: absolute;
  width: 120%;
  height: 1px;
  left: -10%;
  background: linear-gradient(90deg, transparent, rgba(0,166,229,.35), transparent);
  transform: rotate(-16deg);
}

.rent-hero::before { top: 90px; }
.rent-hero::after { bottom: 62px; transform: rotate(15deg); }

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(420px, .9fr) minmax(0, 1fr);
  align-items: center;
  gap: 58px;
}

.hero-photo {
  padding: 0;
  border: 1px solid rgba(0,166,229,.22);
  border-radius: 38px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 62px rgba(1,39,116,.14);
}

.hero-photo img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center;
}

.tieude{
    display: inline-block;
    color: var(--accent);
    font-size: 13px;
    font-weight: 950;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.eyebrow,
.head span,
.price-top span {
    display: inline-block;
    color: var(--accent);
    font-size: 50px;
    font-weight: 950;
    letter-spacing: 0.1em;
    text-transform: none;
}

.hero-content h1 {
  margin: 14px 0 18px;
  color: var(--primary);
  font-size: clamp(38px, 4.4vw, 50px);
  line-height: 1.05;
  font-weight: 950;
  letter-spacing: -.035em;
  text-transform: uppercase;
}

.hero-content p {
  max-width: 680px;
  margin: 0 0 24px;
  color: #334155;
  font-size: 17px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-actions .btn {
  min-width: 156px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.hero-stats article {
  min-height: 92px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.9);
  box-shadow: var(--soft);
}

.hero-stats b {
  display: block;
  color: var(--primary);
  font-size: 22px;
  line-height: 1;
  font-weight: 950;
}

.hero-stats span {
  display: block;
  margin-top: 8px;
  color: #475569;
  font-size: 13px;
  font-weight: 800;
}

/* SECTION */
.section {
  padding: 76px 0;
}

/* SECTION sản phẩm*/
.section-sp{
  padding: 0px 0;
}

/* SECTION chức năng */
.section-cn{
  padding: 0px 0;
}

.light-section {
  background: linear-gradient(180deg, #f1fbff, #ffffff);
}

.head {
  max-width: 860px;
  margin: 0 auto 34px;
}

.sanpham{
    display: inline-block;
    color: var(--accent);
    font-size: 20px;
    font-weight: 950;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.head.center {
  text-align: center;
}

/* ===== CHỈNH FAQ: chữ căn giữa, câu hỏi hạ xuống ngang robot ===== */
#faq .faq-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 46px;
  align-items: start;
}

/* Căn giữa phần FAQs + tiêu đề + mô tả */
#faq .faq-head {
  position: static !important;
  text-align: center !important;
  max-width: 480px;
  margin: 0 auto;
}

/* Chữ FAQs */
#faq .faq-head span {
  display: block;
  text-align: center;
  font-size: 42px;
  line-height: 1;
  margin-bottom: 14px;
}

/* Tiêu đề */
#faq .faq-head h2 {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* Mô tả */
#faq .faq-head p {
  text-align: center;
  max-width: 430px;
  margin-left: auto;
  margin-right: auto;
}

/* Ảnh robot căn giữa */
#faq .faq-head img {
  display: block;
  max-width: 360px;
  width: 100%;
  margin: 22px auto 0;
}

/* Kéo danh sách câu hỏi xuống ngang phần robot */
#faq .faq-list {
  margin-top: 170px;
}

.head h2 {
  margin: 8px 0 10px;
  color: var(--primary);
  font-size: clamp(30px, 3.2vw, 35px);
  line-height: 1.12;
  font-weight: 950;
  text-transform: uppercase;
}

.head p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

/* FEATURES */
.feature-section {
  background:
    radial-gradient(circle at center, rgba(0,166,229,.12), transparent 22rem),
    #ffffff;
}

.feature-stage {
  display: grid;
  grid-template-columns: minmax(240px, .88fr) minmax(300px, .95fr) minmax(240px, .88fr);
  align-items: center;
  gap: 28px;
}

.feature-column {
  display: grid;
  gap: 18px;
}

.feature-card {
  display: grid;
  grid-template-columns: 62px 1fr;
  align-items: start;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.96);
  box-shadow: var(--soft);
  transition: .22s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-card b {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(0,166,229,.25);
  border-radius: 16px;
  color: var(--primary);
  background: #f4fbff;
  font-size: 25px;
}

.feature-card h3 {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 18px;
  line-height: 1.18;
  font-weight: 950;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.48;
}

.center-robot {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 460px;
}

.center-robot::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 430px;
  height: 430px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 0;
  background:
    radial-gradient(circle, rgba(255,255,255,.92), rgba(232,247,255,.75) 52%, transparent 68%),
    repeating-radial-gradient(circle, rgba(0,166,229,.14) 0 1px, transparent 2px 18px);
  border: 1px solid rgba(0,166,229,.18);
}

.center-robot img {
  position: relative;
  z-index: 2;
  width: min(370px, 100%);
  display: block;
  margin: 0 auto;
}

/* EVENTBOT */
.intro-layout {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 24px;
}

.eventbot-card,
.process-grid article,
.price-card,
.faq-item,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--soft);
}

.big-info-card,
.quick-book-card {
  padding: clamp(26px, 4vw, 42px);
}

.big-info-card h3,
.quick-book-card h3 {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.12;
  font-weight: 950;
  text-transform: uppercase;
}

.big-info-card p {
  margin: 0;
  color: #334155;
  font-size: 17px;
  line-height: 1.65;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.tag-list span {
  padding: 9px 14px;
  border: 1px solid rgba(0,166,229,.25);
  border-radius: 999px;
  color: var(--primary);
  background: #f8fbff;
  font-size: 13px;
  font-weight: 900;
}

.check-list {
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  color: #475569;
  line-height: 1.5;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-size: 13px;
  font-weight: 950;
}

.full {
  width: 100%;
}

/* PROCESS */
.process-section {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(1,39,116,.98), rgba(0,49,148,.96)),
    radial-gradient(circle at top right, rgba(0,166,229,.35), transparent 28rem);
}

.process-section .head h2,
.process-section .head p {
  color: #fff;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.process-grid article {
  padding: 26px;
  color: #fff;
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.2);
  box-shadow: none;
  backdrop-filter: blur(14px);
}

.process-grid span {
  display: block;
  margin-bottom: 14px;
  color: #fff;
  font-size: 28px;
  font-weight: 950;
}

.process-grid h3 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 21px;
  line-height: 1.2;
}

.process-grid p {
  margin: 0;
  color: rgba(255,255,255,.86);
  line-height: 1.55;
}

/* PRICING */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}

.price-card {
  position: relative;
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: .22s;
}

.price-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.price-card.popular {
  border-color: rgba(0,166,229,.45);
  background:
    radial-gradient(circle at right top, rgba(0,166,229,.15), transparent 18rem),
    #fff;
  transform: translateY(-10px);
}

.popular-label {
  position: absolute;
  right: 22px;
  top: 20px;
  padding: 7px 11px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-size: 12px;
  font-weight: 950;
}

.price-top {
  min-height: 118px;
}

.price-card h3 {
  margin: 8px 0 0;
  color: var(--primary);
  font-size: 24px;
  line-height: 1.2;
  text-transform: uppercase;
}

.price-value {
  margin: 8px 0 20px;
  color: var(--primary);
  font-size: 32px;
  line-height: 1;
  font-weight: 950;
}

.price-card ul {
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 11px;
  list-style: none;
}

.price-card li {
  position: relative;
  padding-left: 28px;
  color: #475569;
}

.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 950;
}

.price-card .btn {
  margin-top: auto;
}

.pricing-note {
  max-width: 900px;
  margin: 24px auto 0;
  padding: 14px 18px;
  border: 1px dashed rgba(0,166,229,.45);
  border-radius: 18px;
  color: #475569;
  background: #f8fbff;
  text-align: center;
}

/* FAQ */
.faq-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 34px;
  align-items: start;
}

.faq-head {
  position: sticky;
  top: 112px;
  margin-bottom: 0;
  text-align: left !important;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  min-height: 66px;
  padding: 18px 58px 18px 22px;
  border: 0;
  color: var(--primary);
  background: #fff;
  text-align: left;
  font-weight: 950;
  position: relative;
}

.faq-item button::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-size: 22px;
}

.faq-item.open button::after {
  content: "–";
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}

.faq-item.open .faq-answer {
  max-height: 240px;
}

.faq-answer p {
  margin: 0;
  padding: 0 22px 22px;
  color: #475569;
}

/* CONTACT */
.contact-section {
  background:
    radial-gradient(circle at 10% 20%, rgba(104,215,255,.18), transparent 25rem),
    radial-gradient(circle at 90% 20%, rgba(1,39,116,.12), transparent 23rem),
    #fff;
}

.contact-card {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 34px;
  padding: clamp(26px, 4vw, 46px);
  background:
    radial-gradient(circle at top right, rgba(0,166,229,.13), transparent 22rem),
    #fff;
}

.contact-card h2 {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.04;
  font-weight: 950;
  letter-spacing: -.04em;
}

.contact-card p {
  color: var(--muted);
}

.contact-info {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #f8fbff;
}

.contact-info p {
  margin: 7px 0;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.quote-form label {
  display: grid;
  gap: 7px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 900;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  outline: none;
  background: #fff;
}

.quote-form textarea {
  min-height: 110px;
  resize: vertical;
}

.quote-form .wide {
  grid-column: 1 / -1;
}

.form-msg {
  min-height: 22px;
  margin: 0;
  color: var(--primary);
  font-weight: 900;
}

/* Xóa nền/ô phía sau icon Zalo, Messenger, Phone */
.floating-contact a {
  background: transparent !important;
  box-shadow: none !important;
  width: auto !important;
  height: auto !important;
  border-radius: 0 !important;
  padding: 0 !important;
}

.floating-contact img {
  width: 48px;
  height: 48px;
  display: block;
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(0, 31, 91, 0.22);
}

/* RESPONSIVE */
@media (max-width: 1120px) {
  .hero-layout,
  .feature-stage,
  .intro-layout,
  .faq-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero-photo img {
    height: 420px;
  }

  .feature-stage {
    max-width: 760px;
    margin: auto;
  }

.center-robot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 520px;
  isolation: isolate;
}

  .center-robot img {
    width: min(480px, 100%);
  }

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

  .faq-head {
    position: static;
    text-align: center !important;
  }

  .price-card.popular {
    transform: none;
  }
}

@media (max-width: 820px) {
  .rent-container {
    width: calc(100% - 36px);
  }

  .rent-hero {
    padding: 26px 0 42px;
  }

  .hero-content h1 {
    font-size: clamp(30px, 10vw, 42px);
  }

  .hero-photo img {
    height: 320px;
  }

  .hero-stats,
  .feature-column,
  .process-grid,
  .pricing-grid {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(270px, 84vw);
    grid-template-columns: none !important;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 14px;
    padding: 6px 18px 18px;
    margin-left: -18px;
    margin-right: -18px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .hero-stats > *,
  .feature-column > *,
  .process-grid > *,
  .pricing-grid > * {
    scroll-snap-align: start;
  }

  .section {
    padding: 58px 0;
  }

  .head h2 {
    font-size: clamp(28px, 8vw, 38px);
  }

  .center-robot::before {
    width: 320px;
    height: 320px;
  }

  .contact-card,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .quote-form .wide {
    grid-column: auto;
  }

}

@media (max-width: 520px) {
  .hero-actions {
    display: grid;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-photo {
    border-radius: 24px;
  }

  .hero-photo img {
    height: 260px;
  }

  .feature-card,
  .price-card,
  .process-grid article {
    padding: 22px;
  }
}

/* ===== BỆ TRÒN DƯỚI CHÂN ROBOT Ở PHẦN CHỨC NĂNG ===== */
.center-robot {
  isolation: isolate;
}

.center-robot::before {
  z-index: 0;
}

.center-robot::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 18px;
  z-index: 1;
  width: 330px;
  height: 88px;
  transform: translateX(-50%);
  border-radius: 50%;
  background:
    radial-gradient(ellipse at center,
      rgba(255,255,255,.96) 0%,
      rgba(213,244,255,.88) 42%,
      rgba(0,166,229,.18) 66%,
      rgba(0,166,229,.03) 78%,
      transparent 82%);
  border: 1px solid rgba(0,166,229,.25);
  box-shadow:
    0 16px 42px rgba(0,166,229,.18),
    inset 0 0 22px rgba(255,255,255,.9);
}

.center-robot img {
  transform: translateY(31px);
}

/* MOBILE: quy trình trượt ngang, lộ card số 2 bên cạnh */
@media (max-width: 820px) {
  .process-section {
    overflow: hidden !important;
  }

  .process-grid {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;

    gap: 12px !important;
    padding: 0 18px 22px !important;
    margin-left: -18px !important;
    margin-right: -18px !important;

    scroll-snap-type: x mandatory !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
  }

  .process-grid::-webkit-scrollbar {
    display: none !important;
  }

  .process-grid article {
    flex: 0 0 calc(100vw - 145px) !important;
    width: calc(100vw - 105px) !important;
    min-width: calc(100vw - 105px) !important;
    max-width: calc(100vw - 105px) !important;

    scroll-snap-align: start !important;
    box-sizing: border-box !important;
    padding: 24px 22px !important;
    overflow: visible !important;
  }

  .process-grid article h3,
  .process-grid article p {
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: unset !important;
    word-break: normal !important;
    overflow-wrap: break-word !important;
  }
}

/* ===============================
   MOBILE FAQ - CĂN GIỮA + CÂU HỎI XUỐNG DƯỚI
================================ */
@media (max-width: 820px) {
  #faq .faq-layout {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 24px !important;
    width: 100% !important;
  }

  #faq .faq-head {
    text-align: center !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 0 18px !important;
  }

  #faq .faq-head span {
    display: block !important;
    text-align: center !important;
    font-size: 36px !important;
    line-height: 1 !important;
    margin-bottom: 12px !important;
  }

  #faq .faq-head h2 {
    text-align: center !important;
    font-size: 30px !important;
    line-height: 1.12 !important;
    max-width: 100% !important;
    margin: 0 auto 14px !important;
    white-space: normal !important;
  }

  #faq .faq-head p {
    text-align: center !important;
    max-width: 320px !important;
    margin: 0 auto 18px !important;
    font-size: 15px !important;
    line-height: 1.6 !important;
  }

  #faq .faq-head img {
    display: block !important;
    width: 210px !important;
    max-width: 80% !important;
    margin: 18px auto 0 !important;
  }

  #faq .faq-list {
    width: 100% !important;
    max-width: 100% !important;
    margin-top: 0 !important;
    padding: 0 18px !important;
    display: grid !important;
    gap: 12px !important;
  }

  #faq .faq-item {
    width: 100% !important;
    max-width: 100% !important;
  }

  #faq .faq-item button {
    width: 100% !important;
    min-height: 58px !important;
    padding: 16px 54px 16px 18px !important;
    font-size: 14px !important;
    line-height: 1.35 !important;
  }

  #faq .faq-answer p {
    font-size: 14px !important;
    line-height: 1.55 !important;
  }
}