/* ============================================================
   QUADFANG — Master Stylesheet
   ENGINE file — do NOT edit for content changes. Edit JSON data files instead.
   Brand: Black #000000, White #FFFFFF, Red #990000, Hunter Orange #FC4C02,
          Steel Gray #6B6B6B, Dark Gold #B8860B
   Fonts: Bebas Neue (hero), Oswald (subheadings/nav), Roboto Slab (body)
   ============================================================ */

/* ---------- IMPORTS ---------- */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Oswald:wght@400;500;600;700&family=Roboto+Slab:wght@300;400;500;700&display=swap');

/* ---------- CSS VARIABLES ---------- */
:root {
  --qf-black: #000000;
  --qf-bg: #0a0a0a;
  --qf-card-bg: #111111;
  --qf-white: #ffffff;
  --qf-red: #990000;
  --qf-orange: #FC4C02;
  --qf-gray: #6B6B6B;
  --qf-gold: #B8860B;
  --qf-text: #e0e0e0;
  --qf-text-muted: rgba(255,255,255,0.5);
  --qf-text-light: rgba(255,255,255,0.7);
  --qf-border: rgba(255,255,255,0.06);
  --qf-border-hover: rgba(255,255,255,0.15);
  --qf-font-hero: 'Bebas Neue', sans-serif;
  --qf-font-heading: 'Oswald', sans-serif;
  --qf-font-body: 'Roboto Slab', serif;
  --qf-max-width: 1200px;
  --qf-radius: 0px;
}

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

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ---------- HEADER / NAV ---------- */
.qf-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.95);
  border-bottom: 1px solid var(--qf-border);
  backdrop-filter: blur(10px);
}

.qf-header__inner {
  max-width: var(--qf-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
}

.qf-header__logo {
  font-family: var(--qf-font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--qf-white);
  letter-spacing: 0.05em;
}

.qf-nav { display: flex; align-items: center; gap: 28px; }

.qf-nav__link {
  font-family: var(--qf-font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--qf-text-light);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.qf-nav__link:hover,
.qf-nav__link.active { color: var(--qf-white); }

.qf-nav__icons { display: flex; align-items: center; gap: 16px; }

.qf-nav__icon {
  color: var(--qf-text-light);
  cursor: pointer;
  transition: color 0.2s;
}
.qf-nav__icon:hover { color: var(--qf-white); }

.qf-menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.qf-menu-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--qf-white); margin: 5px 0;
  transition: 0.3s;
}

/* ---------- HERO ---------- */
.qf-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.qf-hero__inner {
  max-width: var(--qf-max-width);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.qf-hero__badge {
  font-family: var(--qf-font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--qf-red);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.qf-hero__badge::before {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--qf-red);
}

.qf-hero__heading {
  font-family: var(--qf-font-hero);
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 0.95;
  color: var(--qf-white);
  margin-bottom: 24px;
}

.qf-hero__heading .qf-highlight { color: var(--qf-red); }

.qf-hero__desc {
  font-size: 1rem;
  color: var(--qf-text-muted);
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.qf-hero__buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.qf-hero__image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.qf-hero__image img {
  max-width: 100%;
  max-height: 500px;
  filter: drop-shadow(0 8px 40px rgba(0,0,0,0.6));
}

/* ---------- BUTTONS ---------- */
.qf-btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--qf-font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
}

.qf-btn--primary {
  background: var(--qf-red);
  color: var(--qf-white);
}
.qf-btn--primary:hover { background: #b30000; }

.qf-btn--secondary {
  background: transparent;
  color: var(--qf-white);
  border: 1px solid var(--qf-text-muted);
}
.qf-btn--secondary:hover { border-color: var(--qf-white); }

.qf-btn--small { padding: 10px 24px; font-size: 0.75rem; }

.qf-btn--gold {
  background: var(--qf-orange);
  color: var(--qf-black);
}
.qf-btn--gold:hover { background: #e04400; }

/* ---------- SECTIONS ---------- */
.qf-section {
  padding: 100px 24px;
  position: relative;
}

.qf-section__inner {
  max-width: var(--qf-max-width);
  margin: 0 auto;
}

.qf-section-label {
  font-family: var(--qf-font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--qf-text-muted);
  margin-bottom: 12px;
}

.qf-section-heading {
  font-family: var(--qf-font-hero);
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--qf-white);
  line-height: 1;
  margin-bottom: 40px;
}

.qf-section-heading .qf-heading-sub {
  display: block;
  font-size: 0.4em;
  color: var(--qf-text-muted);
  letter-spacing: 0.15em;
}

/* ---------- MISSION ---------- */
.qf-mission {
  text-align: center;
  padding: 80px 24px;
  border-top: 1px solid var(--qf-border);
  border-bottom: 1px solid var(--qf-border);
}

.qf-mission__emblem {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  opacity: 0.6;
}

.qf-mission__quote {
  font-family: var(--qf-font-body);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--qf-text);
  max-width: 700px;
  margin: 0 auto 16px;
  line-height: 1.6;
}

.qf-mission__quote em {
  color: var(--qf-white);
  font-style: normal;
  font-weight: 500;
}

.qf-mission__attr {
  font-family: var(--qf-font-heading);
  font-size: 0.8rem;
  color: var(--qf-text-muted);
  letter-spacing: 0.1em;
}

/* ---------- LINEUP / PRODUCT CARDS ---------- */
.qf-lineup {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--qf-border);
}

.qf-product-card {
  padding: 40px 24px;
  border-right: 1px solid var(--qf-border);
  display: flex;
  flex-direction: column;
  transition: background 0.3s;
}

.qf-product-card:last-child { border-right: none; }
.qf-product-card:hover { background: rgba(255,255,255,0.02); }

.qf-product-card__status {
  font-family: var(--qf-font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  display: inline-block;
  margin-bottom: 16px;
  align-self: flex-start;
}

.qf-product-card__status--coming-soon {
  background: var(--qf-red);
  color: var(--qf-white);
}

.qf-product-card__status--in-development {
  background: rgba(255,255,255,0.06);
  color: var(--qf-text-muted);
  border: 1px solid var(--qf-border);
}

.qf-product-card__image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  padding: 16px;
  background: var(--qf-bg);
  margin-bottom: 16px;
}

.qf-product-card__name {
  font-family: var(--qf-font-hero);
  font-size: 2rem;
  color: var(--qf-white);
  margin-bottom: 4px;
}

.qf-product-card__model {
  font-family: var(--qf-font-heading);
  font-size: 1rem;
  color: var(--qf-text-muted);
  margin-bottom: 16px;
}

.qf-product-card__desc {
  font-size: 0.9rem;
  color: var(--qf-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.qf-product-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.qf-product-card__spec {
  font-family: var(--qf-font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.qf-product-card__spec-label { color: var(--qf-text-muted); }
.qf-product-card__spec-value { color: var(--qf-white); margin-left: 4px; }

.qf-product-card__cta {
  margin-top: auto;
}

/* ---------- GALLERY ---------- */
.qf-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.qf-gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter 0.3s;
}

.qf-gallery img:hover { filter: grayscale(0%); }

/* ---------- FEATURES ---------- */
.qf-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--qf-border);
}

.qf-feature-card {
  padding: 48px 40px;
  border-bottom: 1px solid var(--qf-border);
  border-right: 1px solid var(--qf-border);
}

.qf-feature-card:nth-child(2n) { border-right: none; }
.qf-feature-card:nth-last-child(-n+2) { border-bottom: none; }

.qf-feature-card__number {
  font-family: var(--qf-font-hero);
  font-size: 3rem;
  color: rgba(255,255,255,0.08);
  margin-bottom: 12px;
}

.qf-feature-card__title {
  font-family: var(--qf-font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--qf-white);
  margin-bottom: 12px;
}

.qf-feature-card__desc {
  font-size: 0.9rem;
  color: var(--qf-text-muted);
  line-height: 1.7;
}

/* ---------- ABOUT ---------- */
.qf-about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.qf-about__text p {
  font-size: 0.95rem;
  color: var(--qf-text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.qf-about__link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--qf-font-heading);
  font-size: 0.85rem;
  color: var(--qf-text-muted);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--qf-border);
  padding-bottom: 4px;
  transition: color 0.2s, border-color 0.2s;
}

.qf-about__link:hover { color: var(--qf-white); border-color: var(--qf-white); }

.qf-about__images { position: relative; min-height: 300px; }
.qf-about__images img:first-child { max-width: 80%; }
.qf-about__images img:last-child {
  position: absolute;
  bottom: 0;
  right: 0;
  max-width: 50%;
  opacity: 0.3;
  pointer-events: none;
}

/* ---------- FOOTER ---------- */
.qf-footer {
  background: var(--qf-black);
  border-top: 1px solid var(--qf-border);
  padding: 48px 24px 24px;
}

.qf-footer__inner {
  max-width: var(--qf-max-width);
  margin: 0 auto;
}

.qf-footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.qf-footer__heading {
  font-family: var(--qf-font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--qf-white);
  margin-bottom: 16px;
}

.qf-footer__links { display: flex; flex-direction: column; gap: 8px; }

.qf-footer__link {
  font-size: 0.85rem;
  color: var(--qf-text-muted);
  transition: color 0.2s;
}
.qf-footer__link:hover { color: var(--qf-white); }

/* Newsletter */
.qf-newsletter__heading {
  font-family: var(--qf-font-body);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--qf-white);
  margin-bottom: 12px;
}

.qf-newsletter__form { display: flex; gap: 0; }

.qf-newsletter__input {
  flex: 1;
  padding: 12px 16px;
  background: var(--qf-bg);
  border: 1px solid var(--qf-border);
  color: var(--qf-white);
  font-family: var(--qf-font-body);
  font-size: 0.9rem;
  outline: none;
}

.qf-newsletter__input::placeholder { color: var(--qf-text-muted); }
.qf-newsletter__input:focus { border-color: var(--qf-text-muted); }

.qf-newsletter__btn {
  padding: 12px 24px;
  background: var(--qf-red);
  color: var(--qf-white);
  font-family: var(--qf-font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.qf-newsletter__btn:hover { background: #b30000; }

/* Footer bottom */
.qf-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--qf-border);
  font-size: 0.8rem;
  color: var(--qf-text-muted);
}

.qf-footer__social { display: flex; gap: 16px; }

.qf-footer__social-link {
  color: var(--qf-text-muted);
  transition: color 0.2s;
}
.qf-footer__social-link:hover { color: var(--qf-white); }

/* ---------- CATALOG PAGE ---------- */
.qf-catalog-header {
  padding: 80px 24px 40px;
}

.qf-catalog-header h1 {
  font-family: var(--qf-font-hero);
  font-size: 3rem;
  color: var(--qf-white);
}

.qf-catalog {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: var(--qf-max-width);
  margin: 0 auto;
}

.qf-catalog-card {
  background: var(--qf-card-bg);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--qf-border);
  transition: border-color 0.3s;
}

.qf-catalog-card:hover { border-color: var(--qf-border-hover); }

.qf-catalog-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--qf-red);
  color: var(--qf-white);
  font-family: var(--qf-font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  z-index: 2;
}

.qf-catalog-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  padding: 20px;
  background: var(--qf-bg);
}

.qf-catalog-card__info { padding: 16px; background: var(--qf-card-bg); }

.qf-catalog-card__name {
  font-family: var(--qf-font-heading);
  font-size: 0.9rem;
  color: var(--qf-red);
  margin-bottom: 4px;
}

.qf-catalog-card__price {
  font-size: 0.9rem;
  color: var(--qf-white);
}

/* ---------- CONTACT PAGE ---------- */
.qf-contact {
  max-width: 700px;
  margin: 0 auto;
  padding: 80px 24px;
}

.qf-contact h1 {
  font-family: var(--qf-font-hero);
  font-size: 3rem;
  color: var(--qf-white);
  text-align: center;
  margin-bottom: 40px;
}

.qf-contact__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.qf-contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.qf-contact-form input,
.qf-contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--qf-card-bg);
  border: 1px solid var(--qf-border);
  color: var(--qf-white);
  font-family: var(--qf-font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.qf-contact-form input:focus,
.qf-contact-form textarea:focus { border-color: var(--qf-text-muted); }

.qf-contact-form input::placeholder,
.qf-contact-form textarea::placeholder { color: var(--qf-text-muted); }

.qf-contact-form textarea { min-height: 180px; resize: vertical; }

.qf-contact-form .qf-btn { align-self: flex-start; }

/* ---------- 404 PAGE ---------- */
.qf-404 {
  text-align: center;
  padding: 120px 24px;
}

.qf-404 h1 {
  font-family: var(--qf-font-hero);
  font-size: 3rem;
  color: var(--qf-white);
  margin-bottom: 16px;
}

.qf-404 p {
  color: var(--qf-text-muted);
  margin-bottom: 32px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 968px) {
  .qf-hero__inner { grid-template-columns: 1fr; text-align: center; }
  .qf-hero__badge { justify-content: center; }
  .qf-hero__desc { margin: 0 auto 32px; }
  .qf-hero__buttons { justify-content: center; }
  .qf-hero__image { margin-top: 40px; }
  .qf-lineup { grid-template-columns: repeat(2, 1fr); }
  .qf-product-card:nth-child(2n) { border-right: none; }
  .qf-product-card:nth-child(2n+1) { border-right: 1px solid var(--qf-border); }
  .qf-product-card:nth-child(2) { border-right: none; }
  .qf-gallery { grid-template-columns: repeat(3, 1fr); }
  .qf-features { grid-template-columns: 1fr; }
  .qf-feature-card { border-right: none !important; }
  .qf-feature-card:last-child { border-bottom: none; }
  .qf-about__inner { grid-template-columns: 1fr; }
  .qf-footer__grid { grid-template-columns: 1fr; }
  .qf-catalog { grid-template-columns: repeat(2, 1fr); }
  .qf-nav { display: none; }
  .qf-menu-toggle { display: block; }
}

@media (max-width: 600px) {
  .qf-lineup { grid-template-columns: 1fr; }
  .qf-product-card { border-right: none !important; border-bottom: 1px solid var(--qf-border); }
  .qf-product-card:last-child { border-bottom: none; }
  .qf-gallery { grid-template-columns: 1fr; }
  .qf-catalog { grid-template-columns: 1fr; }
  .qf-contact__row { grid-template-columns: 1fr; }
  .qf-footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
}

/* ---------- MOBILE NAV OVERLAY ---------- */
.qf-mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.97);
  z-index: 9999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.qf-mobile-nav.active { display: flex; }

.qf-mobile-nav__link {
  font-family: var(--qf-font-heading);
  font-size: 1.5rem;
  color: var(--qf-white);
  letter-spacing: 0.1em;
}

.qf-mobile-nav__close {
  position: absolute;
  top: 20px; right: 24px;
  background: none; border: none;
  color: var(--qf-white);
  font-size: 2rem;
  cursor: pointer;
}

/* ---------- SVG ICONS (inline) ---------- */
.qf-icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; }