/* ── BOTONES ── */
.btn {
  font-family: var(--font-accent);
  font-size: var(--text-label);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: none;
  box-shadow:
    0 1px 2px 0 rgba(5,26,36,0.1),
    0 4px 4px 0 rgba(5,26,36,0.09),
    0 9px 6px 0 rgba(5,26,36,0.05),
    0 17px 7px 0 rgba(5,26,36,0.01),
    0 26px 7px 0 rgba(5,26,36,0),
    inset 0 2px 8px 0 rgba(255,255,255,0.5);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow:
    0 1px 2px 0 rgba(5,26,36,0.12),
    0 4px 6px 0 rgba(5,26,36,0.12),
    0 10px 8px 0 rgba(5,26,36,0.08),
    0 20px 10px 0 rgba(5,26,36,0.04),
    0 30px 10px 0 rgba(5,26,36,0.01),
    inset 0 2px 8px 0 rgba(255,255,255,0.6);
}
.btn-primary:active {
  transform: translateY(0px);
  box-shadow:
    0 1px 2px 0 rgba(5,26,36,0.1),
    0 4px 4px 0 rgba(5,26,36,0.09),
    0 9px 6px 0 rgba(5,26,36,0.05),
    inset 0 2px 8px 0 rgba(255,255,255,0.5);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-hover);
}
.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ── NAVEGACIÓN ── */
nav, header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--container-padding);
  background: rgba(12,12,12,0.85);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border-bottom: var(--border-thin);
  z-index: 100;
}
nav a, header a {
  font-family: var(--font-accent);
  font-size: var(--text-label);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}
nav a:hover, header a:hover {
  color: var(--color-text);
}

nav a:focus-visible, header a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ── PORTFOLIO CARDS ── */
.portfolio-item, .card {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-card);
  border: var(--border-thin);
  border-radius: var(--radius-md);
}
.portfolio-item img, .card img {
  width: 100%;
  display: block;
  transition: transform var(--duration-slow) var(--ease-out);
}
.portfolio-item:hover img, .card:hover img {
  transform: scale(1.04);
}

/* Overlay en hover */
.portfolio-item::after, .card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}
.portfolio-item:hover::after, .card:hover::after {
  opacity: 1;
}

/* ── TAGS / FILTROS ── */
.filter-btn, .tag {
  font-family: var(--font-accent);
  font-size: var(--text-tag);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  padding: 6px 14px;
  border: var(--border-normal);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  background: transparent;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}
.filter-btn:hover, .tag:hover,
.filter-btn.active, .tag.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-muted);
}

/* ── INPUTS / FORMULARIO ── */
input, textarea, select {
  width: 100%;
  background: var(--color-bg-elevated);
  border: var(--border-normal);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  outline: none;
  transition: border-color var(--duration-normal) var(--ease-out);
}
input::placeholder, textarea::placeholder {
  color: var(--color-text-tertiary);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-border-accent);
}

/* ── SECCIONES ── */
section {
  padding: var(--section-padding) var(--container-padding);
  max-width: var(--container-max);
  margin: 0 auto;
}

/* ── DIVIDER ── */
.divider {
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin: var(--space-lg) 0;
}

/* ── ACENTO EN ITÁLICA ── */
em {
  font-style: italic;
  color: var(--color-accent);
  font-family: var(--font-body);
}

/* ── STATS ── */
.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-h1);
  color: var(--color-text);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-accent);
  font-size: var(--text-label);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-top: var(--space-sm);
}

/* ── TESTIMONIAL CAROUSEL ── */
.testimonials {
  position: relative;
  padding: var(--section-padding) var(--container-padding);
}

.testimonials h2 {
  text-align: center;
  margin-bottom: var(--space-2xl);
  font-size: var(--text-h2);
}

.carousel-viewport {
  overflow: hidden;
  width: 100%;
  margin-bottom: var(--space-xl);
}

.carousel-inner {
  display: flex;
  gap: 20px;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.carousel-inner > * {
  width: 100%;
  flex-shrink: 0;
}

.testimonial-card {
  background: var(--color-bg-card);
  border: var(--border-thin);
  border-radius: 32px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.testimonial-quote {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.testimonial-text {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  margin: 0;
  font-weight: 400;
}

.testimonial-author {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 16px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.testimonial-name {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.testimonial-role {
  font-family: var(--font-accent);
  font-size: 11px;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-secondary);
  margin: 4px 0 0 0;
  text-transform: uppercase;
}

/* Carousel navigation buttons */
.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border-hover);
  background: transparent;
  color: var(--color-text);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-normal) var(--ease-out);
  z-index: 10;
}

.carousel-prev:hover,
.carousel-next:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-muted);
}

.carousel-prev:focus-visible,
.carousel-next:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.carousel-prev {
  left: -70px;
}

.carousel-next {
  right: -70px;
}

@media (max-width: 1024px) {
  .carousel-prev {
    left: 16px;
  }
  .carousel-next {
    right: 16px;
  }
}

/* ── MARQUEE SECTION ── */
.marquee-section {
  padding: var(--section-padding) var(--container-padding);
  background: var(--color-bg);
}

.marquee-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-family: var(--font-accent);
  font-size: var(--text-label);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* ── REDUCE MOTION ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}