/* ============================================================
   KONOP Quality Contracting Corp. — Styles
   Premium dark aesthetic with gold & red accents
   ============================================================ */

/* ---------- Custom Properties ---------- */
:root {
  --bg-primary: #1a1a1a;
  --bg-alt: #242424;
  --bg-card: #2c2a28;
  --gold: #c9a84c;
  --gold-light: #dfc068;
  --red: #b91c2f;
  --red-hover: #d42a40;
  --text: #f0ece4;
  --text-muted: #a89968;
  --text-dim: #888;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Raleway', 'Segoe UI', sans-serif;

  --container: 1200px;
  --section-padding: 6rem 0;
  --gap: 2rem;
  --radius: 6px;
  --transition: 0.3s ease;
  --header-h: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--gold);
  color: var(--bg-primary);
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus {
  top: 1rem;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Section Basics ---------- */
.section { padding: var(--section-padding); }
.section--alt { background: var(--bg-alt); }

.section__header { text-align: center; margin-bottom: 3.5rem; }
.section__label {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.section__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.2;
  color: var(--text);
}
.section__divider {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 1.25rem auto 0;
  border-radius: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  border-radius: var(--radius);
  transition: all var(--transition);
  text-align: center;
}
.btn--primary {
  background: var(--gold);
  color: var(--bg-primary);
}
.btn--primary:hover {
  background: var(--gold-light);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201,168,76,0.3);
}
.btn--outline {
  border: 2px solid var(--text);
  color: var(--text);
  background: transparent;
}
.btn--outline:hover {
  background: var(--text);
  color: var(--bg-primary);
  transform: translateY(-2px);
}
.btn--large {
  padding: 1.1rem 2.5rem;
  font-size: 1.1rem;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(26, 26, 26, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--gold);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 2px;
}
.nav__logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__list {
  display: flex;
  gap: 1.8rem;
}
.nav__link {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
  padding: 0.25rem 0;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav__link:hover { color: var(--gold); }
.nav__link:hover::after { width: 100%; }

.nav__phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--gold);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
}
.nav__phone:hover { color: var(--gold-light); }

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}
.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle.active .nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.active .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle.active .nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26,26,26,0.6) 0%,
    rgba(26,26,26,0.4) 40%,
    rgba(26,26,26,0.7) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem 1.5rem;
}
.hero__logo {
  max-width: 360px;
  width: 80%;
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.5));
}
.hero__tagline {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 12px rgba(0,0,0,0.8), 0 0 40px rgba(0,0,0,0.5);
}
.hero__subtitle {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--text);
  font-weight: 600;
  letter-spacing: 1.5px;
  margin-bottom: 2.5rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.8), 0 0 30px rgba(0,0,0,0.5);
}
.hero__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll Arrow */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  z-index: 1;
  animation: bounceDown 2s ease infinite;
}
.hero__scroll:hover { color: var(--gold); }

@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about__text p {
  color: var(--text);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  opacity: 0.9;
}
.about__stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(201,168,76,0.2);
}
.about__stat { text-align: center; flex: 1; }
.about__stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}
.about__stat-label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.25rem;
}
.about__image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.about__image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  opacity: 0.3;
  pointer-events: none;
}
.about__image img {
  border-radius: var(--radius);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.service-card {
  position: relative;
  background-color: var(--bg-card);
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.95) 30%, rgba(26,26,26,0.6) 60%, rgba(26,26,26,0.3) 100%);
  transition: background var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.service-card:hover::before {
  background: linear-gradient(to top, rgba(26,26,26,0.9) 20%, rgba(26,26,26,0.4) 60%, rgba(26,26,26,0.1) 100%);
}
.service-card__content {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
}
.service-card__icon {
  width: 42px;
  height: 42px;
  stroke: var(--gold);
  margin-bottom: 0.75rem;
}
.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.service-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.portfolio__filter {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid rgba(168,153,104,0.3);
  border-radius: 30px;
  transition: all var(--transition);
}
.portfolio__filter:hover,
.portfolio__filter.active {
  background: var(--gold);
  color: var(--bg-primary);
  border-color: var(--gold);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.portfolio__item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  transition: transform var(--transition), opacity 0.4s ease;
}
.portfolio__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.portfolio__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26,26,26,0);
  transition: background var(--transition);
}
.portfolio__item:hover img { transform: scale(1.05); }
.portfolio__item:hover::after { background: rgba(201,168,76,0.15); }

.portfolio__item.hiding {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(10,10,10,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox[hidden] { display: flex; }
.lightbox.open {
  opacity: 1;
  visibility: visible;
}
.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 2.5rem;
  color: var(--text);
  z-index: 2001;
  line-height: 1;
  transition: color var(--transition);
}
.lightbox__close:hover { color: var(--gold); }
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2001;
  color: var(--text);
  padding: 1rem;
  transition: color var(--transition);
}
.lightbox__prev { left: 0.5rem; }
.lightbox__next { right: 0.5rem; }
.lightbox__prev:hover,
.lightbox__next:hover { color: var(--gold); }

.lightbox__content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox__img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius);
  object-fit: contain;
  transition: opacity 0.3s ease;
}
.lightbox__counter {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials__carousel {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.testimonials__track {
  position: relative;
  min-height: 280px;
}
.testimonial {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
}
.testimonial.active {
  opacity: 1;
  transform: translateX(0);
  position: relative;
}
.testimonial__quote-mark {
  font-family: var(--font-heading);
  font-size: 5rem;
  line-height: 1;
  color: var(--gold);
  opacity: 0.4;
  margin-bottom: -1rem;
}
.testimonial__text {
  font-size: 1.15rem;
  font-style: italic;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 1.5rem;
  max-width: 600px;
}
.testimonial__stars {
  color: var(--gold);
  font-size: 1.2rem;
  letter-spacing: 4px;
  margin-bottom: 0.75rem;
}
.testimonial__author {
  font-weight: 600;
  color: var(--text);
  font-size: 1rem;
}
.testimonial__location {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.testimonials__dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}
.testimonials__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  background: transparent;
  transition: background var(--transition);
  padding: 0;
}
.testimonials__dot.active {
  background: var(--gold);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__intro {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
  color: var(--text);
  opacity: 0.9;
}
.contact__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-bottom: 3rem;
}
.contact__card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  border: 1px solid rgba(201,168,76,0.1);
  transition: border-color var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
}
a.contact__card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  color: var(--text);
}
.contact__icon {
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.contact__card-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.contact__card-value {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.5;
}
.contact__cta {
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid rgba(201,168,76,0.15);
  padding: 3rem 0 2rem;
}
.footer__content {
  text-align: center;
}
.footer__logo {
  max-width: 180px;
  margin: 0 auto 0.75rem;
  opacity: 0.7;
}
.footer__tagline {
  font-family: var(--font-heading);
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}
.footer__info {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}
.footer__info a { color: var(--gold); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid { gap: 2.5rem; }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 0;
    --header-h: 64px;
  }

  /* Nav Mobile */
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed;
    inset: 0;
    background: rgba(26,26,26,0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
  }
  .nav__menu.open {
    opacity: 1;
    visibility: visible;
  }
  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
  .nav__link {
    font-size: 1.2rem;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about__image { order: -1; }
  .about__stats { gap: 1rem; }
  .about__stat-number { font-size: 1.8rem; }

  /* Services */
  .services__grid { grid-template-columns: 1fr; }
  .service-card { min-height: 260px; }

  /* Portfolio */
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio__filters { gap: 0.4rem; }
  .portfolio__filter {
    padding: 0.4rem 0.9rem;
    font-size: 0.75rem;
  }

  /* Lightbox */
  .lightbox__prev { left: 0.25rem; padding: 0.5rem; }
  .lightbox__next { right: 0.25rem; padding: 0.5rem; }

  /* Contact */
  .contact__grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer__info { flex-direction: column; gap: 0.5rem; }
}

@media (max-width: 480px) {
  .portfolio__grid { grid-template-columns: 1fr; }
  .hero__logo { max-width: 260px; }
  .hero__cta { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; max-width: 280px; }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__scroll { animation: none; }
}