/* =========================================================
   Design tokens — MPN / RKF Auto Accessories
   ========================================================= */
:root {
  --surface: #0a0c10;
  --surface-2: #12161e;
  --surface-3: #1a2030;
  --ink: #f2f4f7;
  --ink-soft: #c4cad6;
  --muted: #8b93a7;
  --line: #2a3140;
  --accent: #e31c23;
  --accent-hot: #ff2d35;
  --whatsapp: #25d366;
  --whatsapp-dark: #1da851;
  --gold: #c9a227;
  --glow: rgba(227, 28, 35, 0.35);

  --font-display: "Bebas Neue", "Impact", sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-util: "IBM Plex Mono", ui-monospace, monospace;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 14px;
  --max: 1180px;
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

ul {
  list-style: none;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

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

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 12, 16, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--accent) 0%, #8b1014 100%);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  font-weight: 400;
}

.logo-text span {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav a {
  font-size: 0.9rem;
  color: var(--ink-soft);
  transition: color 0.2s;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform 0.2s var(--ease), background 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #062814;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.28);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  color: #fff;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 18px var(--glow);
}

.btn-primary:hover {
  background: var(--accent-hot);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--muted);
  background: var(--surface-2);
}

.btn-lg {
  padding: 0.95rem 1.5rem;
  font-size: 1rem;
}

.nav .mobile-wa {
  display: none;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: clamp(520px, 78vh, 720px);
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 12, 16, 0.94) 0%, rgba(10, 12, 16, 0.72) 42%, rgba(10, 12, 16, 0.35) 100%),
    linear-gradient(0deg, rgba(10, 12, 16, 0.95) 0%, transparent 48%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-8) 0 var(--space-7);
  max-width: 640px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-util);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-4);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  font-weight: 400;
  margin-bottom: var(--space-4);
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-lead {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 36ch;
  margin-bottom: var(--space-6);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.03em;
  line-height: 1;
  color: var(--ink);
}

.stat span {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* =========================================================
   Category strip / features
   ========================================================= */
.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-card {
  background: var(--surface-2);
  padding: var(--space-5);
  display: grid;
  gap: var(--space-3);
  transition: background 0.25s;
}

.feature-card:hover {
  background: var(--surface-3);
}

.feature-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  font-weight: 400;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.88rem;
}

/* =========================================================
   Sections
   ========================================================= */
.section {
  padding: var(--space-8) 0;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: 0.03em;
  font-weight: 400;
  line-height: 1;
}

.section-head p {
  color: var(--muted);
  max-width: 36ch;
  font-size: 0.95rem;
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.filter-btn {
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.85rem;
  background: var(--surface-2);
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--muted);
  color: var(--ink);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(227, 28, 35, 0.4);
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-4);
}

.product-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s, transform 0.25s var(--ease), box-shadow 0.25s;
  text-align: left;
  width: 100%;
}

.product-card:hover {
  border-color: rgba(227, 28, 35, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.product-card:focus-visible {
  border-color: var(--accent);
}

.product-thumb {
  position: relative;
  aspect-ratio: 3 / 4;
  background: #0e1118;
  overflow: hidden;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s var(--ease);
}

.product-card:hover .product-thumb img {
  transform: scale(1.04);
}

.product-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-util);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(10, 12, 16, 0.85);
  border: 1px solid var(--line);
  color: var(--gold);
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(6px);
}

.product-body {
  padding: var(--space-4);
  display: grid;
  gap: var(--space-2);
  flex: 1;
}

.product-brand {
  font-family: var(--font-util);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.product-body h3 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.product-short {
  color: var(--muted);
  font-size: 0.85rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
}

.price-note {
  font-size: 0.78rem;
  color: var(--muted);
}

.view-hint {
  font-size: 0.78rem;
  color: var(--accent-hot);
  font-weight: 600;
}

/* =========================================================
   Why / about strip
   ========================================================= */
.why {
  background: var(--surface-2);
  border-block: 1px solid var(--line);
}

.why-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}

.why-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: 0.03em;
  font-weight: 400;
  line-height: 1;
  margin-bottom: var(--space-4);
}

.why-copy p {
  color: var(--ink-soft);
  margin-bottom: var(--space-5);
  max-width: 42ch;
}

.why-list {
  display: grid;
  gap: var(--space-3);
}

.why-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
}

.why-list li:last-child {
  border-bottom: none;
}

.why-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(227, 28, 35, 0.12);
  border: 1px solid rgba(227, 28, 35, 0.3);
  display: grid;
  place-items: center;
  color: var(--accent-hot);
  font-size: 0.85rem;
  font-weight: 700;
}

.why-list strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.why-list span {
  color: var(--muted);
  font-size: 0.88rem;
}

.why-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.why-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
}

.why-panel h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  font-weight: 400;
  margin-bottom: var(--space-3);
}

.why-panel p {
  color: var(--muted);
  margin-bottom: var(--space-5);
  font-size: 0.95rem;
}

.contact-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-phone {
  font-family: var(--font-util);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.contact-phone span {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

/* =========================================================
   CTA band
   ========================================================= */
.cta-band {
  padding: var(--space-8) 0;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, rgba(227, 28, 35, 0.18), transparent 70%),
    var(--surface);
  border-top: 1px solid var(--line);
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: 0.03em;
  font-weight: 400;
  line-height: 1;
  margin-bottom: var(--space-3);
}

.cta-band p {
  color: var(--muted);
  margin-bottom: var(--space-5);
  max-width: 40ch;
  margin-inline: auto;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-6) 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: center;
}

.footer-brands {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.footer-brands span {
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  font-size: 1.1rem;
  color: var(--ink-soft);
}

.footer-brands span:nth-child(2) {
  color: var(--line);
}

/* =========================================================
   Product modal — full image + side description
   ========================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(4, 6, 10, 0.82);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s var(--ease), visibility 0.28s;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: relative;
  width: min(100%, 1040px);
  max-height: min(92vh, 820px);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  overflow: hidden;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.32s var(--ease);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal-image {
  background: #080a0e;
  position: relative;
  min-height: 320px;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-height: min(92vh, 820px);
}

.modal-side {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  overflow-y: auto;
  border-left: 1px solid var(--line);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(10, 12, 16, 0.75);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 1.25rem;
  display: grid;
  place-items: center;
  z-index: 5;
  transition: background 0.2s;
}

.modal-close:hover {
  background: var(--accent);
}

.modal-side .product-brand {
  margin-bottom: -0.5rem;
}

.modal-side h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: 0.03em;
  font-weight: 400;
  line-height: 1.05;
}

.modal-tag {
  display: inline-flex;
  align-self: flex-start;
  font-family: var(--font-util);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(201, 162, 39, 0.35);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(201, 162, 39, 0.08);
}

.modal-desc {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.modal-features {
  display: grid;
  gap: 0.45rem;
}

.modal-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.modal-features li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.modal-price-note {
  font-size: 0.88rem;
  color: var(--muted);
  padding: var(--space-3);
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.modal-actions {
  margin-top: auto;
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-3);
}

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

/* Floating WhatsApp */
.fab-whatsapp {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 150;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #062814;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.4);
  transition: transform 0.2s, background 0.2s;
}

.fab-whatsapp:hover {
  transform: scale(1.06);
  background: var(--whatsapp-dark);
  color: #fff;
}

.fab-whatsapp svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

/* Empty state */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-8);
  color: var(--muted);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .feature-strip {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .modal {
    grid-template-columns: 1fr;
    max-height: 92vh;
  }

  .modal-image {
    max-height: 42vh;
  }

  .modal-image img {
    max-height: 42vh;
  }

  .modal-side {
    border-left: none;
    border-top: 1px solid var(--line);
  }

  .modal-close {
    top: 10px;
    right: 10px;
  }
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }

  .nav.open {
    display: flex;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface-2);
    border-bottom: 1px solid var(--line);
    padding: var(--space-3);
  }

  .nav.open a {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
  }

  .nav.open a:hover {
    background: var(--surface-3);
  }

  .nav .mobile-wa {
    display: inline-flex;
    margin-top: 0.35rem;
  }

  .menu-toggle {
    display: flex;
  }

  .header-wa {
    display: none;
  }

  .feature-strip {
    grid-template-columns: 1fr 1fr;
  }

  .hero-content {
    padding-top: var(--space-7);
  }
}

@media (max-width: 480px) {
  .feature-strip {
    grid-template-columns: 1fr;
  }

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

  .hero-stats {
    gap: var(--space-4);
  }
}