/* Torpado AMB-X Avinox — Superbike Solution — landing statica */
:root {
  --bg: #080a0b;
  --panel: #14181a;
  --panel-2: #1b2023;
  --fg: #fafafa;
  --muted: #a7b0b5;
  --lime: #b8ff1e;
  --lime-ink: #0d1503;
  --red: #e11d2e;
  --border: rgba(255, 255, 255, 0.12);
  --radius: 8px;
  --font: "Archivo", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 76px;
}

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

a {
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 0.95;
  margin: 0;
}

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

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.wrap--narrow {
  max-width: 760px;
}

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

.sec-pad {
  padding: 48px 16px;
}

.eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--lime);
  margin: 0;
}

.surface {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 10, 11, 0.92);
  backdrop-filter: blur(8px);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  max-width: 1120px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-bar {
  width: 6px;
  height: 24px;
  border-radius: 999px;
  background: var(--red);
}

.brand-name {
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  font-size: 1rem;
}

.site-nav {
  display: none;
  gap: 24px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
}

.site-nav a:hover {
  color: var(--lime);
}

.header-cta {
  display: none;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius);
  padding: 16px 24px;
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    transform 0.2s ease,
    filter 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.btn--wa {
  background: var(--lime);
  color: var(--lime-ink);
}

.btn--wa:hover {
  transform: scale(1.02);
  filter: brightness(1.05);
}

.btn--tel {
  background: var(--panel-2);
  color: var(--fg);
  border-color: rgba(255, 255, 255, 0.16);
}

.btn--tel:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.btn--sm {
  padding: 10px 16px;
  font-size: 0.75rem;
}

.cta-pair {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

/* HERO */
.hero {
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
}

.hero-inner {
  animation: rise-in 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

h1 {
  font-size: clamp(2.5rem, 11vw, 5.5rem);
  font-weight: 900;
  margin-top: 12px;
}

h1 .lime {
  display: block;
  color: var(--lime);
}

.hero-sub {
  margin: 16px 0 0;
  font-size: 1.125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.lead {
  margin: 12px 0 0;
  max-width: 36rem;
  color: var(--muted);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.badge {
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge--lime {
  border: 1px solid rgba(184, 255, 30, 0.4);
  background: rgba(184, 255, 30, 0.1);
  color: var(--lime);
}

.badge--panel {
  background: var(--panel-2);
  color: var(--fg);
}

.badge--price {
  background: var(--bg);
  color: var(--lime);
  font-size: 0.875rem;
  font-weight: 800;
}

.photo {
  margin: 32px 0 0;
  padding: 12px;
  background: rgba(27, 32, 35, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.photo img {
  margin: 0 auto;
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: contain;
}

.photo figcaption {
  margin-top: 12px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
}

h2 {
  font-size: clamp(1.8rem, 7vw, 3rem);
  margin-top: 8px;
}

/* POTENZA */
.power-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.power-hero {
  background: rgba(27, 32, 35, 0.6);
  padding: 24px;
}

.power-hero .big {
  font-size: 3.75rem;
  font-weight: 900;
  line-height: 1;
  color: var(--lime);
  margin: 0;
}

.power-hero .lbl {
  margin: 8px 0 0;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.power-hero .note {
  margin: 12px 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.power-hero .note strong {
  color: var(--fg);
}

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

.card-list li,
.spec {
  padding: 16px;
}

.k {
  margin: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.v {
  margin: 4px 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* GALLERIA */
.gallery {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.gallery figure {
  margin: 0;
  padding: 12px;
  background: rgba(27, 32, 35, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.gallery img {
  width: 100%;
  height: 224px;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.gallery img:hover {
  transform: scale(1.03);
}

/* SPECS */
.specs {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
}

.spec dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.spec dd {
  margin: 4px 0 0;
  font-size: 0.875rem;
  font-weight: 500;
}

.spec {
  transition: border-color 0.2s ease;
}

.spec:hover {
  border-color: rgba(184, 255, 30, 0.5);
}

/* FAQ */
.faq {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

details {
  padding: 16px;
}

summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

summary::-webkit-details-marker {
  display: none;
}

summary .plus {
  color: var(--lime);
  margin-right: 8px;
}

details p {
  margin: 12px 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

/* CONVERSIONE */
.convert {
  background: rgba(27, 32, 35, 0.6);
  padding: 24px;
}

.contact-grid {
  display: grid;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--muted);
}

.contact-grid p,
.contact-grid address {
  margin: 0;
}

.contact-grid .name {
  font-weight: 700;
  text-transform: uppercase;
  color: var(--fg);
  letter-spacing: 0.04em;
}

.contact-grid address {
  font-style: normal;
  margin-top: 4px;
}

.contact-grid a {
  color: var(--lime);
}

/* FOOTER */
footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 16px;
  font-size: 0.75rem;
  color: var(--muted);
}

footer p {
  margin: 0 0 16px;
}

footer a {
  color: var(--lime);
}

footer .sign {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin: 0;
}

/* BARRA FISSA MOBILE */
.mobile-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  background: rgba(8, 10, 11, 0.96);
  backdrop-filter: blur(8px);
}

.mobile-bar .btn--wa {
  flex: 1;
  padding: 14px 16px;
}

.mobile-bar .btn--tel {
  padding: 14px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .hero-inner {
    animation: none;
  }
}

@media (min-width: 640px) {
  .sec-pad {
    padding: 64px 16px;
  }
  .cta-pair {
    flex-direction: row;
    align-items: center;
  }
  .card-list,
  .gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hero-sub {
    font-size: 1.5rem;
  }
  .power-hero .big {
    font-size: 4.5rem;
  }
  .gallery img {
    height: 256px;
  }
  .convert {
    padding: 40px;
  }
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
  .mobile-bar {
    display: none;
  }
  .site-nav,
  .header-cta {
    display: inline-flex;
    align-items: center;
  }
  .power-grid {
    grid-template-columns: 2fr 3fr;
  }
}

@media (min-width: 1024px) {
  .specs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}