/* ═══════════════════════════════════════════════════════
   ODYLIUM — COMPONENTS v2.0
   ═══════════════════════════════════════════════════════ */

/* ─── HEADER ───────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 var(--gutter);
  height: 110px; /* Increased for more breathing room */
  padding-top: 20px; /* Moves the entire menu down */
  display: flex;
  align-items: center;
  transition: background-color var(--transition-slow), backdrop-filter var(--transition-slow), height var(--transition-slow);
}

.header.is-scrolled {
  height: 80px; /* Shrinks slightly when scrolling */
  padding-top: 0;
  background-color: rgba(8, 8, 8, 0.90);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--color-border-fine);
}

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

.header__logo {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.header__logo img {
  height: 52px; /* Double the original 26px */
  width: auto;
  transition: height var(--transition-base);
}

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

.header__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  cursor: pointer;
}

.header__link:hover {
  color: var(--color-text-primary);
}

/* ─── BOTONES ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn--cta {
  padding: 0.85rem 2rem;
  background-color: var(--color-gold);
  color: #050505;
  letter-spacing: 0.08em;
}
.btn--cta:hover {
  background-color: var(--color-gold-bright);
  transform: translateY(-1px);
}

.btn--outline {
  padding: 0.75rem 1.75rem;
  background: transparent;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
}
.btn--outline:hover {
  background: var(--color-gold-dim);
  color: var(--color-gold-bright);
}

.btn--ghost {
  padding: 0.75rem 1.75rem;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}
.btn--ghost:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.btn__arrow {
  transition: transform var(--transition-fast);
}
.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* ─── HAMBURGER ───────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-text-primary);
  transform-origin: center;
  transition: all var(--transition-base);
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ─── MOBILE NAV ──────────────────────────────────────── */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-void);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__link {
  font-family: var(--font-display);
  font-size: var(--text-xl); /* Significantly reduced from 3xl */
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}
.mobile-nav__link:hover {
  color: var(--color-text-primary);
}

/* ─── TECH BADGES ─────────────────────────────────────── */
.tech-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  background: var(--color-black);
  color: #ffffff;
  border: 1px solid var(--color-black);
  transition: all var(--transition-fast);
  cursor: default;
  position: relative;
}

.tech-badge:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  box-shadow: 0 0 8px rgba(184, 134, 43, 0.2);
}

/* Tooltip */
.tech-badge[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  white-space: nowrap;
  padding: 0.35rem 0.75rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.tech-badge[data-tooltip]:hover::after {
  opacity: 1;
}

/* ─── ACORDEONES ──────────────────────────────────────── */
.accordion {
  border-top: 1px solid var(--color-border-fine);
}
.accordion:last-child {
  border-bottom: 1px solid var(--color-border-fine);
}

/* acordeón en sección light */
.section--light .accordion {
  border-top-color: var(--color-light-border);
}
.section--light .accordion:last-child {
  border-bottom-color: var(--color-light-border);
}

/* Materials & Accordions are now integrated */
.accordion-group--materials {
  margin-top: var(--space-8);
  padding: 0; /* Removed group padding to let borders stretch */
}
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center; /* Centered icon/block vertically */
  padding: var(--space-6) var(--space-12); /* Content padding */
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: var(--space-6);
  transition: background var(--transition-base), color var(--transition-fast);
}
.accordion__trigger:hover {
  background: rgba(0,0,0,0.03);
}
.section--dark .accordion__trigger:hover {
  background: rgba(255,255,255,0.03);
}

.accordion__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  transition: color var(--transition-fast);
}
.accordion__trigger:hover .accordion__title,
.accordion[aria-expanded="true"] .accordion__title {
  color: var(--color-text-primary);
}

/* En sección light */
.section--light .accordion__title {
  color: var(--color-text-dark-muted);
}
.section--light .accordion__trigger:hover .accordion__title,
.section--light .accordion[aria-expanded="true"] .accordion__title {
  color: var(--color-text-dark);
}

/* Icono +/× */
.accordion__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  position: relative;
  margin-top: 0; /* Centered vertically now */
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-light-border);
  border-radius: 50%;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
}
.accordion__trigger:hover .accordion__icon {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: rotate(90deg);
}
.accordion__icon::before,
.accordion__icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}
.accordion__icon::before {
  width: 12px; height: 1px;
  transform: translate(-50%, -50%);
}
.accordion__icon::after {
  width: 1px; height: 12px;
  transform: translate(-50%, -50%);
}
.accordion[aria-expanded="true"] .accordion__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}
.accordion__trigger:hover .accordion__icon {
  color: var(--color-gold);
}

.accordion__content {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-slow);
}
.accordion__content.is-open {
  max-height: 800px;
}

.accordion__inner {
  padding: var(--space-8) var(--space-12) var(--space-12); /* Match trigger padding */
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.accordion-group--materials .accordion__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  align-items: center;
}
.accordion__image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-light-bg-2);
  filter: grayscale(1); /* Matching brutalist aesthetic */
  transition: filter var(--transition-slow);
}
.accordion:hover .accordion__image {
  filter: grayscale(0);
}
.accordion__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .accordion__inner {
    padding: var(--space-6) 0 var(--space-10);
  }
  .accordion-group--materials .accordion__inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .accordion__image {
    height: 220px;
  }
}
.accordion__inner p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* En sección light */
.section--light .accordion__inner p {
  color: var(--color-text-dark-2);
}

/* ─── SECTION HEADER ──────────────────────────────────── */
.section__header {
  margin-bottom: var(--space-12);
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  display: block;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-4xl));
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

/* dark mode title */
.section--light .section__title {
  color: var(--color-text-dark);
}

.section__subtitle {
  margin-top: var(--space-6);
  font-size: var(--text-md);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 56ch;
}

.section__subtitle--full {
  max-width: none;
}

.section--light .section__subtitle {
  color: var(--color-text-dark-2);
}

.section__divider {
  border: none;
  border-top: 1px solid var(--color-border-fine);
  margin: var(--space-12) 0;
}

.section--light .section__divider {
  border-top-color: var(--color-light-border);
}

/* ─── PRODUCT CARD ────────────────────────────────────── */
.product-card {
  position: relative;
  background: #ffffff;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
}

.product-card__image {
  position: relative;
  aspect-ratio: auto;
  overflow: hidden;
  background: #ffffff;
}

.product-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 0.8rem var(--space-4);
  text-align: center;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.product-card:hover .product-card__overlay {
  transform: translateY(0);
}

.product-card__image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  transition: transform var(--transition-slow);
  filter: saturate(0.9);
}

.product-card:hover .product-card__image img {
  transform: scale(1.04);
  filter: saturate(1);
}

.product-card__info {
  padding: var(--space-4) var(--space-6) var(--space-6);
}

.product-card__level {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-dark-muted);
  margin-bottom: var(--space-2);
}

.product-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
}

.product-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ─── LEVEL CARD (Tecnología) ─────────────────────────── */
.level-card {
  padding: var(--space-10) var(--space-8);
  border: 1px solid var(--color-border-fine);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.level-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.level-card:hover::before {
  opacity: 1;
}

.level-card__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.level-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.level-card__desc {
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.level-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Nivel premium */
.level-card--premium {
  border-color: rgba(74, 127, 165, 0.25);
}

.level-card--premium .level-card__tag {
  color: var(--color-steel);
}

/* ─── MATERIAL BLOCK (Fundamentos) ────────────────────── */
.material-block {
  position: relative;
  padding: var(--space-4) 0 var(--space-6);
  border: none;
  flex: 1; /* Stretch to fill trigger width */
}

.material-block__number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-text-dark-muted);
  margin-bottom: var(--space-6);
}

.material-block__icon {
  width: 36px;
  height: 36px;
  stroke: var(--color-gold);
  margin-bottom: var(--space-6);
  opacity: 0.7;
}

.material-block__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text-dark);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.material-block__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.material-block__summary {
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-dark-2);
  width: 100%; /* Ensure it spans the full width of the container */
}

/* ─── COLLECTION CTA ──────────────────────────────────── */
.collection-cta {
  text-align: center;
  padding: var(--space-16) 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.collection-cta__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dark-muted);
}

/* ─── FOOTER ──────────────────────────────────────────── */
.footer {
  background: var(--color-void);
  border-top: 1px solid var(--color-border-fine);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border-fine);
  margin-bottom: var(--space-8);
}

.footer__brand-statement {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-top: var(--space-4);
}

.footer__brand-statement span {
  color: var(--color-text-muted);
}

.footer__col-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.footer__link:hover {
  color: var(--color-text-primary);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-disabled);
  letter-spacing: 0.08em;
}

.footer__socials {
  display: flex;
  gap: var(--space-4);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.footer__social-link svg {
  width: 18px;
  height: 18px;
}
.footer__social-link:hover {
  color: var(--color-text-primary);
}

/* ─── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .header {
    height: 100px; /* Increased to match the "spectacular" feeling of desktop */
    padding-top: 24px;
  }
  .header.is-scrolled {
    height: 64px;
    padding-top: 0;
  }
  .product-card__overlay {
    transform: translateY(0);
    padding: 0.6rem var(--space-4);
    font-size: 0.75rem;
    background: rgba(10, 10, 10, 0.95);
  }
  .header__logo img {
    height: 28px; /* Reduced from 32px for better aesthetics */
  }
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ─── EXTERNAL LINK MODAL ─── */
.external-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  padding: var(--space-4);
}
.external-modal.is-open {
  opacity: 1;
  visibility: visible;
}
.external-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.external-modal__content {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  max-width: 400px;
  width: 100%;
  transform: translateY(20px);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lift);
}
.external-modal.is-open .external-modal__content {
  transform: translateY(0);
}
.external-modal__icon {
  width: 32px;
  height: 32px;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}
.external-modal__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}
.external-modal__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}
.external-modal__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.external-modal__actions .btn {
  width: 100%;
  justify-content: center;
}