@import url('variables.css');

/* Site Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary);
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

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

.logo-text small {
    font-size: 0.45em;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.logo-text span {
    font-family: var(--font-primary);
    letter-spacing: -0.02em;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-8);
}

.breadcrumb-item:after {
    content: '/';
    margin-left: var(--spacing-2);
}

.breadcrumb-item:last-child:after {
    content: '';
}

.breadcrumb-link {
    color: var(--color-secondary);
    text-decoration: none;
}

.breadcrumb-link:hover {
    text-decoration: underline;
}

/* Navigation */
.nav-menu {
    display: none;
}

@media (min-width: 992px) {
    .nav-menu {
        display: flex;
        gap: var(--spacing-6);
        align-items: center;
    }

    .nav-link {
        font-weight: 500;
        color: var(--color-text-main);
        transition: color var(--transition-fast);
    }

    .nav-link:hover,
    .nav-link:focus-visible {
        color: var(--color-secondary);
    }

    .nav-link.active {
        color: var(--color-primary);
        font-weight: 600;
    }
    
    .nav-link:focus-visible {
        outline: 2px solid var(--color-secondary);
        outline-offset: 4px;
        border-radius: 2px;
    }

    .menu-toggle {
        display: none;
    }
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    /* Area tactil minima 44x44 (WCAG 2.5.5). El icono sigue midiendo 22x16;
       lo que crece es la superficie tocable, no el dibujo. */
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle .ham-top,
.menu-toggle .ham-bottom {
    transition: transform 250ms ease-out;
    transform-box: fill-box;
    transform-origin: center;
}

.menu-toggle[aria-expanded="true"] .ham-top {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .ham-bottom {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Active State */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-main);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--color-border);
}

@media (max-width: 991px) {
    .nav-menu.active .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-2) 0;
        display: block;
        width: 100%;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    min-height: 44px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    text-align: center;
    gap: var(--spacing-2);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: none;
}

.btn-lg {
    font-size: var(--font-size-xl);
    padding: var(--spacing-4) var(--spacing-12);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: #3d3532;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background-color: #1ead54;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: clamp(1rem, 5vw, 2rem);
    right: clamp(1rem, 5vw, 2rem);
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
    transform: scale(1.1);
    background-color: #1ead54;
    color: white;
}

.whatsapp-float:focus-visible {
    outline: 2px solid #25D366;
    outline-offset: 4px;
}

/* Cards */
.card {
    background-color: var(--color-bg-main);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.card-body {
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2);
}

.card-subtitle {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.card-bullets {
    margin-bottom: var(--spacing-6);
    flex: 1;
}

.card-bullets li {
    position: relative;
    padding-left: var(--spacing-6);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.card-bullets li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

.card-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-top: auto;
}

@media (min-width: 576px) {
    .card-actions {
        flex-direction: row;
    }

    .card-actions .btn {
        flex: 1;
    }
}

/* Hero Components */
.hero {
    padding: var(--spacing-20) 0;
    background-color: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.hero--primary {
    background-color: var(--color-primary);
    color: white;
}

.hero--primary .hero-title {
    color: white;
}

.hero--primary .hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.hero--primary .btn-outline {
    border-color: white;
    color: white;
}

.hero--primary .btn-outline:hover {
    background-color: white;
    color: var(--color-primary);
}

.hero--with-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero--with-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: oklch(18% 0.06 20 / 0.4);
}

.hero--with-image .hero-title,
.hero--with-image .hero-subtitle {
    color: white;
}

.hero--with-image .hero-subtitle {
    color: oklch(90% 0.02 20);
}

.hero--with-image .btn-outline {
    border-color: white;
    color: white;
}

.hero--with-image .btn-outline:hover {
    background-color: white;
    color: var(--color-primary);
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

.grid-4 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================================
   Card Slideshow — auto-advance image strip inside .card
   ============================================================ */

.card-slideshow {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  width: 100%;
  background: var(--color-bg-alt);
}

.card-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s ease-in-out;
  will-change: opacity;
  pointer-events: none;
}

.card-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.card-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Stats Bar */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: var(--spacing-12);
    flex-wrap: wrap;
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-top: var(--spacing-1);
}

.stats-divider {
    width: 1px;
    background: var(--color-border);
    align-self: stretch;
}

@media (max-width: 767px) {
    .stats-divider {
        display: none;
    }
}

/* Accordion/FAQ */
.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-4) 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    padding: var(--spacing-2) 0;
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 300ms ease-out;
    color: var(--color-text-muted);
}

.faq-item.active .faq-answer {
    grid-template-rows: 1fr;
}

.faq-answer > * {
    overflow: hidden;
}

.faq-item.active .faq-answer > * {
    padding-top: var(--spacing-4);
    padding-bottom: var(--spacing-2);
}

.faq-icon {
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}


/* ============================================================
   Contact Form — Web3Forms (reutilizable en contacto y proyectos)
   ============================================================ */

.contact-form-wrap {
  background: oklch(99% 0.003 30);
  padding: clamp(1.75rem, 4vw, 3rem);
  border: 1px solid var(--color-border);
  position: relative;
}

.contact-form-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--color-primary);
}

.contact-form-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.contact-form-heading {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 600;
  color: var(--color-text-main);
  margin: 0 0 0.5rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.contact-form-intro {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 0 2rem;
  max-width: 42ch;
}

.contact-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0;
  position: relative;
}

.contact-form__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-family: var(--font-family-sans);
}

.contact-form__input,
.contact-form__textarea {
  padding: 0.65rem 0;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  font-family: inherit;
  font-size: 1rem;
  background: transparent;
  color: var(--color-text-main);
  width: 100%;
  box-sizing: border-box;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: oklch(70% 0.008 30);
  font-weight: 400;
}

.contact-form__input:hover,
.contact-form__textarea:hover {
  border-bottom-color: oklch(60% 0.01 30);
}

.contact-form__input:focus,
.contact-form__textarea:focus {
  outline: none;
  border-bottom-color: var(--color-primary);
  box-shadow: 0 1px 0 0 var(--color-primary);
}

.contact-form__textarea {
  min-height: 110px;
  resize: vertical;
  padding-top: 0.5rem;
}

.contact-form__input:invalid:not(:placeholder-shown) {
  border-bottom-color: oklch(55% 0.18 25);
}

.contact-form__submit {
  margin-top: 1rem;
  align-self: flex-start;
  width: auto;
  min-width: 220px;
  padding: 0.95rem 2.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 2px;
}

@media (max-width: 560px) {
  .contact-form__submit {
    width: 100%;
    align-self: stretch;
  }
}

/* ── Breadcrumbs ─────────────────────────────────────────────── */
.breadcrumbs {
  padding: var(--space-md) 0;
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-text-muted);
}

.breadcrumbs__list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.breadcrumbs__list li + li::before {
  content: "/";
  color: var(--color-text-muted);
  opacity: 0.5;
  margin-right: var(--space-sm);
}

.breadcrumbs__list a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumbs__list a:hover {
  color: var(--color-primary);
}

.breadcrumbs__list [aria-current="page"] {
  color: var(--color-primary);
  font-weight: 500;
}

/* ── Filtros (proyectos-entregados) — editorial style ──────────── */
.obras-filters {
  display: flex;
  justify-content: center;
  margin: 0 auto var(--space-2xl);
  padding: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-border);
}

.obras-filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: clamp(0.75rem, 2.5vw, 2rem);
  padding-bottom: 0;
}

.obras-filter-group__label {
  font-family: var(--font-family-sans);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-right: var(--space-xs);
  align-self: center;
}

.obras-filter-btn {
  position: relative;
  padding: 0.85rem 0.15rem;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-family-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  cursor: pointer;
  transition: color 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

.obras-filter-btn::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.obras-filter-btn:hover {
  color: var(--color-text-main);
}

.obras-filter-btn:hover::after {
  transform: scaleX(0.4);
}

.obras-filter-btn.active {
  color: var(--color-primary);
  font-weight: 600;
}

.obras-filter-btn.active::after {
  transform: scaleX(1);
}

.obras-filter-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: 2px;
}

@media (max-width: 560px) {
  .obras-filters {
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: none;
  }
  .obras-filters::-webkit-scrollbar { display: none; }
  .obras-filter-group {
    flex-wrap: nowrap;
    white-space: nowrap;
    padding: 0 var(--space-sm);
  }
}

.obras-card[hidden] {
  display: none !important;
}

.obras-empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

/* ── Footer social icons ─────────────────────────────────────── */
.footer-socials {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  list-style: none;
  padding-left: 0;
}

.footer-socials a {
  color: rgba(255,255,255,0.85);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  transition: color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
}

.footer-socials a:hover,
.footer-socials a:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background-color: rgba(201, 162, 99, 0.08);
  transform: translateY(-2px);
}

.footer-socials svg {
  width: 18px;
  height: 18px;
}

/* ── Article meta (blog) ─────────────────────────────────────── */
.article-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.article-author {
  font-weight: 500;
  color: var(--color-text-main);
}

/* ── Lightbox skeleton loader ────────────────────────────────── */
.lightbox-img-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-wrapper.is-loading::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    oklch(85% 0.01 30) 0%,
    oklch(90% 0.008 30) 50%,
    oklch(85% 0.01 30) 100%);
  background-size: 200% 100%;
  animation: lightbox-skeleton 1.4s ease-in-out infinite;
  border-radius: var(--radius-md);
  pointer-events: none;
}

@keyframes lightbox-skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}