:root {
  --bg: #101214;
  --bg-alt: #161a1d;
  --surface: #1c2124;
  --text: #edf0f0;
  --text-muted: #8b9296;
  --accent: #ff7a29;
  --accent-2: #29d3c7;
  --danger: #ff6b5e;
  --border: rgba(237, 240, 240, 0.1);
  --maxw: 1140px;
  --font: Inter, "Segoe UI", system-ui, sans-serif;
  --display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
}

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

p {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -40px;
  z-index: 100;
  background: var(--accent);
  color: #1a0f05;
  padding: 8px 14px;
  font-weight: 650;
  border-radius: 4px;
  font-family: var(--display);
}

.skip-link:focus {
  top: 12px;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 110px 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

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

.tag {
  display: inline-block;
  font-family: var(--display);
  font-size: 0.82rem;
  padding: 5px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

header.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  padding: 16px 0;
  background: rgba(16, 18, 20, 0.85);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid rgba(237, 240, 240, 0.1);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
}

.nav-name span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 30px;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  color: var(--accent);
  font-family: var(--display);
  font-size: 0.95rem;
}

.hero-title {
  margin-top: 14px;
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.hero-tagline {
  margin-top: 22px;
  max-width: 48ch;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.hero-tags {
  margin-top: 26px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-cta {
  margin-top: 36px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  font-family: var(--display);
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #1a0f05;
  padding: 14px 26px;
  border: 0;
  font-size: 0.98rem;
  transition: transform 0.15s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 13px 24px;
  background: none;
  font-size: 0.95rem;
}

.btn-secondary:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.print-art {
  position: relative;
}

.build-rect {
  animation: buildUp 2.3s cubic-bezier(0.2, 0.7, 0.2, 1) forwards 0.2s;
}

@keyframes buildUp {
  from {
    height: 0;
    y: 220;
  }
  to {
    height: 220;
    y: 0;
  }
}

.nozzle-line {
  animation: nozzleMove 2.3s cubic-bezier(0.2, 0.7, 0.2, 1) forwards 0.2s;
}

@keyframes nozzleMove {
  from {
    y: 220;
  }
  to {
    y: 0;
  }
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.section-head p {
  color: var(--text-muted);
  max-width: 46ch;
}

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

.service-card {
  background: var(--bg);
  padding: 36px;
}

.service-card h3 {
  font-size: 1.2rem;
}

.service-card p {
  margin-top: 12px;
  color: var(--text-muted);
  max-width: 44ch;
}

.service-card .tags {
  margin-top: 18px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.spec-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 32px;
  background: var(--surface);
}

.spec-card h3 {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.spec-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.spec-dot-fdm {
  background: var(--accent);
}

.spec-dot-resin {
  background: var(--accent-2);
}

.spec-list {
  margin-top: 22px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: 0.93rem;
}

.spec-row:first-child {
  border-top: none;
}

.spec-row .k {
  color: var(--text-muted);
}

.spec-row .v {
  text-align: right;
}

.work-grid,
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-img {
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--surface) 0%, var(--bg-alt) 55%, var(--surface) 100%);
  margin-bottom: 12px;
}

.work-embed-card {
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  height: 610px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
}

.work-embed-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(255, 122, 41, 0.2);
}

.work-embed-frame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  background: #ffffff;
}

.work-item h3 {
  font-size: 1.02rem;
  font-weight: 500;
}

.work-item span {
  color: var(--text-muted);
  font-size: 0.87rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.step .num {
  font-family: var(--display);
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 600;
}

.step h3 {
  margin-top: 10px;
  font-size: 1.05rem;
}

.step p {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.93rem;
}

.request-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
}

.request-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
}

.request-pane {
  padding: 36px 32px;
}

.request-pane-form {
  background: rgba(16, 18, 20, 0.35);
  border-left: 1px solid var(--border);
}

.step-kicker {
  font-family: var(--display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.request-pane h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.request-pane > .pane-lead {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 22px;
}

.dropzone {
  border: 1.5px dashed var(--border);
  border-radius: 8px;
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  background: var(--bg-alt);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.dropzone:hover,
.dropzone:focus-visible,
.dropzone.dragover {
  border-color: var(--accent);
  background: rgba(255, 122, 41, 0.06);
}

.dz-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.02rem;
}

.dz-sub {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.dz-file {
  margin-top: 14px;
  color: var(--accent);
  font-size: 0.9rem;
  word-break: break-all;
}

.quote-controls {
  margin-top: 20px;
}

.field-row {
  margin-bottom: 16px;
}

.field-row label,
.legend {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

fieldset {
  border: 0;
  margin: 0 0 16px;
  padding: 0;
}

select.field,
input.field,
textarea.field,
input[type="range"].field {
  width: 100%;
}

select.field,
input.field,
textarea.field {
  background: var(--bg-alt);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 13px;
  font-family: var(--font);
  font-size: 0.95rem;
}

textarea.field {
  min-height: 96px;
  resize: vertical;
}

select.field:focus,
input.field:focus,
textarea.field:focus {
  border-color: var(--accent);
  outline: none;
}

.range-value {
  font-family: var(--display);
  color: var(--accent);
  font-size: 0.9rem;
  margin-left: 8px;
}

.quote-result {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 22px;
  background: var(--bg);
}

.quote-result h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.qr-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  font-size: 0.93rem;
}

.qr-row:first-of-type {
  border-top: none;
}

.qr-row .k {
  color: var(--text-muted);
}

.qr-price {
  font-family: var(--display);
  font-size: 1.55rem;
  color: var(--accent);
  margin-top: 8px;
}

.qr-disclaimer,
.form-hint {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.qr-empty {
  color: var(--text-muted);
  font-size: 0.93rem;
}

.qr-error,
.form-status.error {
  color: var(--danger);
  font-size: 0.9rem;
}

.form-status.ok {
  color: var(--accent-2);
}

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.92rem;
  color: var(--text);
}

.check-row input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

.form-submit {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.fallback {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.fallback a {
  color: var(--accent);
}

.social-list {
  margin-top: 36px;
  border-top: 1px solid var(--border);
}

.social-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.social-row .platform {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 600;
}

.social-row .handle {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.social-row::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 1px;
  width: 0;
  background: var(--accent);
  transition: width 0.35s ease;
}

.social-row:hover::after {
  width: 100%;
}

.social-row:hover .platform {
  color: var(--accent);
}

.review-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.review-stars {
  color: var(--accent);
  letter-spacing: 2px;
}

.review-quote {
  flex-grow: 1;
}

.review-author {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.review-author .name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
}

.review-author .tag {
  color: var(--text-muted);
  font-size: 0.85rem;
  border: 0;
  padding: 0;
}

footer {
  padding: 38px 0;
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 10px;
}

.success-modal {
  padding: 0;
  border: none;
  background: transparent;
  max-width: 500px;
  width: 90%;
}

.success-modal::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.success-modal .modal-content {
  background: #1a1d21;
  padding: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  text-align: center;
  color: var(--text);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.success-modal .modal-icon {
  margin: 0 auto 20px;
}

.success-modal h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  font-family: var(--display);
}

.success-modal p {
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

@media (max-width: 900px) {
  .work-grid,
  .review-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .hero .wrap,
  .request-grid {
    grid-template-columns: 1fr;
  }

  .request-pane-form {
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .print-art {
    order: -1;
    max-width: 240px;
    margin: 0 auto;
  }

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

@media (max-width: 780px) {
  .service-grid,
  .spec-grid,
  .check-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Mobile nav ─────────────────────────────────────────── */
@media (max-width: 720px) {

  /* Pannello sidebar */
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 280px;
    background: #13161a;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 95;
    /* layout verticale dall'alto */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
    padding: 70px 24px 30px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    /* slide from right */
    transform: translateX(100%);
    transition: transform 0.28s ease;
  }
  .nav-links.open {
    transform: translateX(0);
  }

  /* Voci di menu */
  .nav-links a {
    display: block;
    font-family: var(--display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: color 0.15s;
  }
  .nav-links a:last-child {
    border-bottom: none;
  }
  .nav-links a:hover {
    color: var(--accent);
  }

  /* Pulsante hamburger */
  .nav-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
    z-index: 100;
    position: relative;
  }
}

@media (max-width: 560px) {
  .work-grid,
  .review-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .wrap {
    padding: 0 20px;
  }

  .request-pane {
    padding: 28px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}