/* ==========================================================
   ImpressMaker3D — tokens
   ========================================================== */
:root{
  --bg:            #0A0714;
  --surface:       #160F26;
  --surface-alt:   #1E1433;
  --line:          #2C2145;

  --purple:        #9B3FF0;
  --purple-soft:   #B98CF2;
  --green:         #B6FF3B;
  --cyan:          #57E0FF;

  --text:          #F3EFFA;
  --text-muted:    #9C90B5;

  --font-display:  'Chakra Petch', sans-serif;
  --font-body:     'Inter', sans-serif;

  --radius: 4px 22px 4px 22px;
  --container: 1120px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }

h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: 0.01em;
}

h1{ font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2{ font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3{ font-size: 1.15rem; }

p{ margin: 0 0 1em; color: var(--text-muted); }

a{ color: inherit; text-decoration: none; }

:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ==========================================================
   Layout helpers
   ========================================================== */
.section{ padding: 6rem 1.5rem; }
.section-alt{ background: var(--surface); }
.section-inner{ max-width: var(--container); margin: 0 auto; }
.section-narrow{ max-width: 720px; }
.section-lead{ max-width: 56ch; font-size: 1.05rem; }

/* ==========================================================
   Buttons
   ========================================================== */
.btn{
  display: inline-block;
  padding: 0.85em 1.7em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary{
  background: var(--purple);
  color: #fff;
  box-shadow: 0 0 0 rgba(155,63,240,0);
}
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -8px rgba(155,63,240,0.55);
}
.btn-outline{
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-outline:hover{ border-color: var(--purple-soft); color: var(--purple-soft); }

.btn-ghost{
  background: transparent;
  color: var(--green);
  border: 1px solid rgba(182,255,59,0.35);
  padding: 0.6em 1.3em;
  font-size: 0.85rem;
}
.btn-ghost:hover{ background: rgba(182,255,59,0.08); }
.cart-trigger{ display: inline-flex; align-items: center; gap: 0.45rem; cursor: pointer; }
.cart-count{
  min-width: 1.35rem; height: 1.35rem; padding: 0 0.3rem;
  display: inline-grid; place-items: center;
  border-radius: 50%; background: var(--green); color: var(--bg);
  font-size: 0.72rem; font-weight: 700;
}

/* ==========================================================
   Header
   ========================================================== */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 1.5rem;
  background: transparent;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled{
  background: rgba(10, 7, 20, 0.82);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
}
.header-inner{
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.brand{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-right: auto;
}
.brand-mark{
  width: 34px; height: 34px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--line);
}
.brand-name{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}
.brand-name em{ color: var(--green); font-style: normal; }

.main-nav{ display: flex; gap: 1.75rem; }
.nav-link{
  font-size: 0.92rem;
  color: var(--text-muted);
  position: relative;
  padding-bottom: 2px;
}
.nav-link::after{
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 1px;
  background: var(--green);
  transition: width 0.25s ease;
}
.nav-link:hover{ color: var(--text); }
.nav-link:hover::after{ width: 100%; }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity: 0; }
.nav-toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================
   Hero
   ========================================================== */
.hero{
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 1.5rem 3rem;
  overflow: hidden;
}
.hero-inner{
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.hero-kicker{
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.9em;
}
.hero-text{ max-width: 46ch; font-size: 1.05rem; }
.hero-actions{ display: flex; gap: 1rem; margin: 1.8rem 0 2.6rem; flex-wrap: wrap; }

.hero-stats{
  display: flex;
  gap: 2.4rem;
  margin: 0;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.hero-stats dt{
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--green);
}
.hero-stats dd{
  margin: 0.2em 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.hero-visual{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}
.glow{
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.45;
}
.glow-purple{ width: 320px; height: 320px; background: var(--purple); top: 10%; left: 10%; }
.glow-green{ width: 240px; height: 240px; background: var(--green); bottom: 5%; right: 8%; opacity: 0.28; }

#printer-rig{ position: relative; width: min(340px, 80%); z-index: 1; }
#printed-object{ transform-origin: center; }

.scroll-cue{
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: transparent;
  cursor: pointer;
}
.scroll-cue span{
  display: block;
  width: 4px; height: 4px;
  margin: 8px auto 0;
  border-radius: 50%;
  background: var(--green);
  animation: cue-move 1.8s ease-in-out infinite;
}
@keyframes cue-move{
  0%{ transform: translateY(0); opacity: 1; }
  70%{ transform: translateY(14px); opacity: 0; }
  100%{ opacity: 0; }
}

/* ==========================================================
   Reveal on scroll (jQuery adds .is-visible)
   ========================================================== */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
  html{ scroll-behavior: auto; }
  .scroll-cue span{ animation: none; }
}

/* ==========================================================
   Products
   ========================================================== */
.product-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.product-card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.product-card:hover,
.product-card.is-hovered{
  border-color: var(--purple-soft);
  transform: translateY(-4px);
  box-shadow: 0 16px 34px -14px rgba(155,63,240,0.4);
}

.product-visual{
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--line);
}
.product-carousel{
  position: relative;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
}
.product-slides{ width: 100%; height: 100%; }
.product-slide{
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-slide.is-active{ display: block; }
.product-card:hover .product-slide.is-active,
.product-card.is-hovered .product-slide.is-active{
  transform: scale(1.06);
}
.carousel-arrow{
  position: absolute;
  top: 50%;
  width: 2.2rem;
  height: 2.2rem;
  display: none;
  place-items: center;
  transform: translateY(-50%);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 50%;
  background: rgba(10,7,20,0.72);
  color: var(--text);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
  z-index: 1;
}
.carousel-arrow:hover{ background: var(--purple); border-color: var(--purple-soft); }
.carousel-prev{ left: 0.75rem; }
.carousel-next{ right: 0.75rem; }
.carousel-dots{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.7rem;
  display: none;
  justify-content: center;
  gap: 0.4rem;
}
.carousel-dot{
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: 1px solid var(--text);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}
.carousel-dot.is-active{ background: var(--green); border-color: var(--green); }
.product-carousel.has-multiple .carousel-arrow,
.product-carousel.has-multiple .carousel-dots{ display: flex; }

.product-body{ padding: 1.5rem 1.8rem 1.8rem; }

.card-toggle{
  background: none;
  border: none;
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0;
  margin-top: 0.4rem;
  cursor: pointer;
}
.card-toggle:hover{ text-decoration: underline; }

.card-details{
  display: none;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}
.card-details p{ margin: 0; font-size: 0.9rem; }
.product-purchase{
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.75rem; margin-top: 1.2rem; padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.product-purchase strong{ color: var(--green); font-family: var(--font-display); font-size: 1.1rem; }
.product-purchase .btn{ padding: 0.55em 0.9em; font-size: 0.8rem; }

/* ==========================================================
   Process
   ========================================================== */
.process-list{
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.process-step{
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1.4rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
}
.process-step:last-child{ border-bottom: 1px solid var(--line); }
.step-index{
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--purple-soft);
}
.process-step h3{ margin-bottom: 0.3em; }
.process-step p{ margin: 0; max-width: 52ch; }

/* ==========================================================
   FAQ
   ========================================================== */
.faq-list{ margin-top: 2rem; }
.faq-item{
  border-bottom: 1px solid var(--line);
}
.faq-question{
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1rem;
  padding: 1.3rem 2rem 1.3rem 0;
  position: relative;
  cursor: pointer;
}
.faq-question::after{
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  color: var(--green);
  font-size: 1.3rem;
  transition: transform 0.25s ease;
}
.faq-question[aria-expanded="true"]::after{ transform: translateY(-50%) rotate(45deg); }

.faq-answer{
  display: none;
  padding-bottom: 1.4rem;
}
.faq-answer p{ margin: 0; max-width: 62ch; }

/* ==========================================================
   Contact
   ========================================================== */
.contact-form{ margin-top: 2rem; display: grid; gap: 1.4rem; }
.form-row{ display: grid; gap: 0.5rem; position: relative; }
.form-row label{ font-size: 0.9rem; color: var(--text-muted); }
.form-row input,
.form-row textarea{
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.8em 1em;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus{ border-color: var(--purple-soft); outline: none; }
.form-row.has-error input,
.form-row.has-error textarea{ border-color: #ff6b6b; }
.field-error{
  display: none;
  font-size: 0.8rem;
  color: #ff8484;
}
.form-row.has-error .field-error{ display: block; }

.contact-form .btn{ justify-self: start; }

.contact-success{
  display: none;
  margin-top: 2rem;
  padding: 2rem;
  border: 1px solid rgba(182,255,59,0.35);
  border-radius: var(--radius);
  background: rgba(182,255,59,0.05);
}
.contact-success h3{ color: var(--green); }

/* ==========================================================
   Footer
   ========================================================== */
.site-footer{
  padding: 3rem 1.5rem 2.5rem;
  border-top: 1px solid var(--line);
}
.footer-inner{
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}
.footer-text{ margin: 0; font-size: 0.9rem; }
.footer-copy{ margin: 0 0 0 auto; font-size: 0.82rem; }

/* ==========================================================
   Back to top
   ========================================================== */
.to-top{
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface-alt);
  color: var(--green);
  font-size: 1.1rem;
  cursor: pointer;
  display: none;
  z-index: 90;
}
.to-top:hover{ border-color: var(--green); }
.social-floating{
  position: fixed;
  right: 1.5rem;
  bottom: 5.5rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.social-button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0,0,0,0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.social-button svg{ width: 26px; height: 26px; }
.social-button:hover{
  transform: translateY(-2px) scale(1.04);
}
.social-button--whatsapp{
  background: #25d366;
  color: #07150b;
  box-shadow: 0 8px 24px rgba(37,211,102,0.28);
}
.social-button--whatsapp:hover{ box-shadow: 0 12px 28px rgba(37,211,102,0.4); }
.social-button--instagram{
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
  color: #fff;
}
.social-button--instagram:hover{ box-shadow: 0 12px 28px rgba(214,36,159,0.4); }

/* ==========================================================
   Cart
   ========================================================== */
.cart-overlay{
  position: fixed; inset: 0; z-index: 200;
  display: flex; justify-content: flex-end;
  background: rgba(10,7,20,0.72);
}
.cart-overlay[hidden]{ display: none; }
.cart-panel{
  width: min(430px, 100%); height: 100%;
  display: flex; flex-direction: column;
  padding: 1.5rem; background: var(--surface);
  border-left: 1px solid var(--line);
  box-shadow: -20px 0 50px rgba(0,0,0,0.3);
}
.cart-header{ display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); padding-bottom: 1rem; }
.cart-header h2{ margin: 0; font-size: 1.5rem; }
.cart-close{ border: 0; background: none; color: var(--text-muted); font-size: 2rem; line-height: 1; cursor: pointer; }
.cart-close:hover{ color: var(--text); }
.cart-items{ overflow-y: auto; padding: 1rem 0; }
.cart-item{ display: grid; grid-template-columns: 1fr auto; gap: 0.5rem 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.cart-item-name{ margin: 0; color: var(--text); font-weight: 600; }
.cart-item-price{ color: var(--green); font-family: var(--font-display); }
.cart-item-controls{ display: flex; align-items: center; gap: 0.5rem; }
.quantity-btn{ width: 1.8rem; height: 1.8rem; border: 1px solid var(--line); border-radius: 4px; background: var(--surface-alt); color: var(--text); cursor: pointer; }
.quantity-btn:hover{ border-color: var(--purple-soft); }
.cart-remove{ border: 0; background: none; color: #ff8484; font-size: 0.78rem; cursor: pointer; margin-left: 0.5rem; }
.cart-empty{ text-align: center; padding: 3rem 1rem; }
.cart-empty p{ margin-bottom: 1.3rem; }
.cart-footer{ margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line); }
.cart-footer > div{ display: flex; justify-content: space-between; margin-bottom: 1rem; }
.cart-footer strong{ color: var(--green); font-family: var(--font-display); font-size: 1.25rem; }
.cart-footer .btn{ width: 100%; }
.checkout-overlay{
  position: fixed; inset: 0; z-index: 210; display: grid; place-items: center;
  padding: 1rem; background: rgba(10,7,20,0.82); overflow-y: auto;
}
.checkout-overlay[hidden]{ display: none; }
.checkout-panel{ width: min(620px, 100%); max-height: 95vh; overflow-y: auto; padding: 1.5rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.checkout-steps{ display: flex; gap: 0.5rem; margin: 1.2rem 0 1.5rem; }
.checkout-steps span{ flex: 1; padding: 0.55rem; text-align: center; border-bottom: 2px solid var(--line); color: var(--text-muted); font-size: 0.78rem; }
.checkout-steps span.is-active{ color: var(--green); border-bottom-color: var(--green); }
.checkout-step{ display: none; }
.checkout-step.is-active{ display: block; }
.checkout-step h3{ margin-bottom: 1.2rem; }
.checkout-step select{ width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 0.8em 1em; color: var(--text); font: inherit; }
.checkout-fields{ display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.checkout-step .btn{ margin-top: 1rem; }
.checkout-actions{ display: flex; justify-content: space-between; gap: 1rem; }
.checkout-note{ margin: 1rem 0 0; font-size: 0.8rem; }
.checkout-summary{ padding: 1rem; border: 1px solid var(--line); background: var(--bg); }
.checkout-success{ text-align: center; padding: 2rem 0 1rem; }
.checkout-success h3{ color: var(--green); }

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 860px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; min-height: 260px; }
  .main-nav{
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: rgba(10,7,20,0.97);
    border-bottom: 1px solid var(--line);
    padding: 1.2rem 1.5rem;
    display: none;
    gap: 1rem;
  }
  .main-nav.is-open{ display: flex; }
  .nav-toggle{ display: flex; }
  .nav-cta{ display: none; }
  .cart-trigger{ margin-left: auto; }
  .hero-stats{ flex-wrap: wrap; gap: 1.4rem 2rem; }
}

@media (max-width: 560px){
  .section{ padding: 4rem 1.25rem; }
  .process-step{ grid-template-columns: 1fr; gap: 0.4rem; }
  .product-purchase{ align-items: flex-start; flex-direction: column; }
  .checkout-fields{ grid-template-columns: 1fr; gap: 0; }
  .social-floating{ right: 1rem; bottom: 5rem; }
  .social-button{ width: 46px; height: 46px; }
  .social-button svg{ width: 22px; height: 22px; }
}