/* ============================================
   BEAST LAB — Components
   Handcrafted UI elements
   ============================================ */

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--container-padding);
  transition: transform var(--duration-base) var(--ease-out),
              background-color var(--duration-base) var(--ease-out),
              backdrop-filter var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out);
}

.nav--hidden {
  transform: translateY(-100%);
}

.nav--solid {
  background-color: var(--glass-white);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border-bottom: var(--border-hairline);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: calc(var(--z-nav) + 1);
}

.nav__logo-img {
  height: 28px;
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  color: var(--text-inverse);
  text-transform: uppercase;
  transition: color var(--duration-base) var(--ease-out);
}

.nav--solid .nav__logo-text {
  color: var(--text-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(250, 248, 245, 0.75);
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav--solid .nav__link {
  color: var(--text-secondary);
}

.nav--solid .nav__link:hover {
  color: var(--text-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-brass);
  transition: width var(--duration-base) var(--ease-out);
}

.nav__link:hover {
  color: var(--text-inverse);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--accent-brass-light);
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--accent-brass-light);
  transition: all var(--duration-base) var(--ease-out);
}

.nav--solid .nav__cta {
  color: var(--accent-brass);
  border-color: var(--accent-brass);
}

.nav__cta:hover {
  background-color: var(--accent-brass);
  color: var(--surface-primary);
}

/* Mobile menu button */
.nav__menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  padding: 4px 0;
  z-index: calc(var(--z-nav) + 1);
}

.nav__menu-btn span {
  display: block;
  height: 1.5px;
  width: 100%;
  background-color: var(--text-inverse);
  transition: all var(--duration-base) var(--ease-out);
  transform-origin: center;
}

.nav--solid .nav__menu-btn span {
  background-color: var(--text-primary);
}

.nav--menu-open .nav__menu-btn span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav--menu-open .nav__menu-btn span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav--menu-open .nav__menu-btn span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile menu overlay */
.nav__menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--surface-primary);
  z-index: var(--z-nav);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.nav--menu-open .nav__menu-overlay {
  display: flex;
  opacity: 1;
}

.nav__menu-overlay .nav__link {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-wider);
}


/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 1rem 2.4rem;
  border: 1px solid transparent;
  transition: transform 0.4s var(--ease-out),
              background-color 0.4s var(--ease-out),
              color 0.4s var(--ease-out),
              border-color 0.4s var(--ease-out),
              box-shadow 0.4s var(--ease-out);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.btn:hover {
  transform: translateY(-3px);
}

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

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}

.btn:hover::after {
  transform: translateX(100%);
}

.btn--primary {
  background-color: var(--accent-brass);
  color: var(--surface-primary);
  border-color: var(--accent-brass);
}

.btn--primary:hover {
  background-color: var(--accent-brass-dark);
  border-color: var(--accent-brass-dark);
  box-shadow: var(--shadow-brass);
}

.btn--outline {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--text-primary);
}

.btn--outline:hover {
  background-color: var(--text-primary);
  color: var(--surface-primary);
  box-shadow: 0 10px 25px -10px rgba(0, 0, 0, 0.15);
}

.btn--whatsapp {
  background-color: #25D366;
  color: #ffffff;
  border-color: #25D366;
  letter-spacing: var(--tracking-wide);
}

.btn--whatsapp:hover {
  background-color: #1EBE57;
  border-color: #1EBE57;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.25);
}

.btn--lg {
  font-size: var(--text-base);
  padding: 1.25rem 3rem;
}

.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}


/* ═══════════════════════════════════════════
   FACILITY CARDS
   ═══════════════════════════════════════════ */
.facility-card {
  position: relative;
  overflow: hidden;
  background-color: var(--surface-primary);
  border: var(--border-hairline);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.facility-card:hover {
  box-shadow: var(--shadow-lg);
}

.facility-card__image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.facility-card--large .facility-card__image-wrapper {
  aspect-ratio: 16 / 10;
}

.facility-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out), filter var(--duration-slow) var(--ease-out);
  /* Editorial Color Grade: high contrast, moody brightness, slight warmth */
  filter: contrast(1.15) saturate(0.8) sepia(0.15) brightness(0.85);
}

.facility-card:hover .facility-card__image {
  transform: scale(1.04);
  /* Slightly lift the mood on hover */
  filter: contrast(1.1) saturate(0.9) sepia(0.1) brightness(0.95);
}

.facility-card__content {
  padding: var(--space-6) var(--space-6) var(--space-8);
}

.facility-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.facility-card__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 300;
  line-height: var(--leading-relaxed);
  color: var(--text-tertiary);
}


/* ═══════════════════════════════════════════
   TRAINER CARDS
   ═══════════════════════════════════════════ */
.trainer-card {
  display: flex;
  flex-direction: column;
  background-color: var(--surface-primary);
  border: var(--border-hairline);
  overflow: hidden;
  transition: box-shadow var(--duration-base) var(--ease-out);
}

.trainer-card:hover {
  box-shadow: var(--shadow-lg);
}

.trainer-card__image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
}

.trainer-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  transition: transform var(--duration-slow) var(--ease-out);
  filter: grayscale(20%);
}

.trainer-card:hover .trainer-card__image {
  transform: scale(1.03);
  filter: grayscale(0%);
}

.trainer-card__info {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
}

.trainer-card__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--text-primary);
}

.trainer-card__role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--accent-brass);
}

.trainer-card__quals {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: var(--leading-relaxed);
}

.trainer-card__divider {
  width: 40px;
  height: 1px;
  background-color: var(--material-concrete);
  margin: var(--space-2) 0;
}

.trainer-card__quote {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-style: italic;
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-top: auto;
}

.trainer-card__quote::before {
  content: '\201C';
  color: var(--accent-brass);
  font-size: var(--text-2xl);
  line-height: 0;
  vertical-align: -0.3em;
  margin-right: var(--space-1);
}


/* ═══════════════════════════════════════════
   STANDARD ITEMS
   ═══════════════════════════════════════════ */
.standard-item {
  display: flex;
  gap: var(--space-8);
  padding: var(--space-10) 0;
  border-bottom: var(--border-hairline);
  align-items: flex-start;
}

.standard-item:first-child {
  border-top: var(--border-hairline);
}

.standard-item__number {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent-brass);
  letter-spacing: var(--tracking-wider);
  flex-shrink: 0;
  padding-top: var(--space-1);
}

.standard-item__content {
  flex: 1;
}

.standard-item__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.standard-item__text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: var(--leading-relaxed);
  color: var(--text-tertiary);
  max-width: 55ch;
}

.standard-item__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  color: var(--material-concrete);
}


/* ═══════════════════════════════════════════
   SCROLL INDICATOR
   ═══════════════════════════════════════════ */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.scroll-indicator__text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-tertiary);
  writing-mode: vertical-rl;
  opacity: 0.6;
}

.scroll-indicator__line {
  width: 1px;
  height: 48px;
  background: linear-gradient(
    to bottom,
    var(--accent-brass),
    transparent
  );
  animation: scrollPulse 2s var(--ease-in-out) infinite;
}

@keyframes scrollPulse {
  0%, 100% {
    opacity: 0.3;
    transform: scaleY(0.6);
    transform-origin: top;
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
    transform-origin: top;
  }
}


/* ═══════════════════════════════════════════
   IMAGE LAZY LOADING
   ═══════════════════════════════════════════ */
.lazy-image {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.lazy-image--loaded {
  opacity: 1;
}


/* ═══════════════════════════════════════════
   RESPONSIVE — COMPONENTS
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .standard-item {
    flex-direction: column;
    gap: var(--space-4);
  }

  .standard-item__icon {
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__cta {
    display: none;
  }

  .nav__menu-btn {
    display: flex;
  }

  .trainer-card__info {
    padding: var(--space-6);
  }
}