/* KOBE — components */

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 14px 24px;
  font-family: var(--ff-display);
  font-weight: var(--fw-semibold);
  font-size: 0.95rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}
.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--kobe-red);
  color: var(--kobe-white);
}
.btn--primary:hover { background: var(--kobe-red-dark); color: var(--kobe-white); }

.btn--ghost {
  background: transparent;
  color: var(--kobe-white);
  border: 1px solid var(--kobe-white);
}
.btn--ghost:hover {
  background: var(--kobe-white);
  color: var(--kobe-black);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--kobe-black);
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  border-bottom-color: var(--kobe-steel);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(8px);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
}
.site-header__logo img,
.site-header__logo svg { height: 32px; width: auto; }

.nav-desktop { display: none; }
@media (min-width: 1024px) {
  .nav-desktop { display: flex; gap: var(--space-4); align-items: center; }
}
.nav-desktop a {
  font-family: var(--ff-display);
  font-weight: var(--fw-medium);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--kobe-white);
}
.nav-desktop a:hover { color: var(--kobe-red); }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--kobe-white);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 1024px) { .nav-toggle { display: none; } }

/* Menú móvil */
.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--kobe-black);
  transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease-out);
  z-index: 60;
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--container-pad);
  gap: var(--space-3);
}
.nav-mobile.is-open { transform: translateX(0); }
.nav-mobile a {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  padding-block: var(--space-1);
  border-bottom: 1px solid var(--kobe-steel);
}
.nav-mobile__close {
  align-self: flex-end;
  font-family: var(--ff-display);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--kobe-gray);
  margin-bottom: var(--space-3);
}

/* ---------- Footer shell ---------- */
.site-footer {
  background: var(--kobe-black);
  border-top: 2px solid var(--kobe-red);
  padding-block: var(--space-8) var(--space-4);
  margin-top: var(--space-8);
}
.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .site-footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.site-footer h4 {
  font-family: var(--ff-display);
  font-size: 0.85rem;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--kobe-white);
  margin-bottom: var(--space-2);
}
.site-footer a { color: var(--kobe-gray); }
.site-footer a:hover { color: var(--kobe-white); }
.site-footer__col ul { display: flex; flex-direction: column; gap: var(--space-1); }
.site-footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  color: var(--kobe-gray);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

/* ---------- Placeholder imagen ---------- */
.img-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  background:
    linear-gradient(135deg, var(--kobe-black) 0%, var(--kobe-graphite) 100%);
  border: var(--border-1);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.img-placeholder::after {
  content: "KOBE";
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  font-size: 2rem;
  letter-spacing: var(--ls-wide);
  color: var(--kobe-steel);
}
.img-placeholder--wide { aspect-ratio: 16 / 9; }
.img-placeholder--hero { aspect-ratio: auto; height: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--kobe-black);
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__media.no-img {
  background:
    radial-gradient(ellipse at 30% 40%, rgba(225, 6, 0, 0.18), transparent 60%),
    linear-gradient(135deg, var(--kobe-black) 0%, var(--kobe-graphite) 100%);
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0.55) 55%, rgba(10,10,10,0.2) 100%),
    linear-gradient(180deg, transparent 60%, rgba(10,10,10,0.9) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-block: var(--space-12);
}
.hero__sub {
  color: var(--kobe-white);
  font-size: 1.125rem;
  max-width: 560px;
  margin-bottom: var(--space-4);
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- Propuesta de valor ---------- */
.valor__head { margin-bottom: var(--space-8); max-width: 720px; }

.pillar {
  padding: var(--space-4);
  background: var(--kobe-carbon);
  border: var(--border-1);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.pillar:hover {
  border-color: var(--kobe-red);
  transform: translateY(-2px);
}
.pillar__icon {
  width: 40px;
  height: 40px;
  color: var(--kobe-red);
  margin-bottom: var(--space-3);
}
.pillar h3 {
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-1);
}

/* ---------- Productos ---------- */
.productos__head { margin-bottom: var(--space-8); max-width: 720px; }

.producto-card {
  background: var(--kobe-carbon);
  border: var(--border-1);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.producto-card:hover {
  border-color: var(--kobe-red);
  transform: translateY(-2px);
}
.producto-card__media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background:
    linear-gradient(135deg, var(--kobe-black) 0%, var(--kobe-graphite) 100%);
  position: relative;
}
.producto-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.producto-card:hover .producto-card__media img { transform: scale(1.04); }
.producto-card__media.no-img::after {
  content: "KOBE";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  font-size: 2rem;
  letter-spacing: var(--ls-wide);
  color: var(--kobe-steel);
}
.producto-card__media.no-img img { display: none; }
.producto-card__body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}
.producto-card__link {
  margin-top: auto;
  font-family: var(--ff-display);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--kobe-red);
}
.producto-card__link:hover { color: var(--kobe-white); }

/* ---------- Tecnología ---------- */
.tecnologia__grid { align-items: center; }

.tecnologia__media {
  aspect-ratio: 6 / 7;
  overflow: hidden;
  border: var(--border-1);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, var(--kobe-black) 0%, var(--kobe-graphite) 100%);
  position: relative;
}
.tecnologia__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tecnologia__media.no-img::after {
  content: "KOBE";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  font-size: 2rem;
  letter-spacing: var(--ls-wide);
  color: var(--kobe-steel);
}
.tecnologia__media.no-img img { display: none; }

.tecnologia__specs {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.tecnologia__specs li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border: var(--border-1);
  border-radius: var(--radius-sm);
  background: var(--kobe-carbon);
  font-family: var(--ff-display);
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
  color: var(--kobe-white);
}
.tecnologia__specs svg {
  width: 20px;
  height: 20px;
  color: var(--kobe-red);
  flex-shrink: 0;
}

/* ---------- CTA ---------- */
.cta {
  position: relative;
  padding-block: var(--space-12);
  overflow: hidden;
  background: var(--kobe-black);
}
@media (min-width: 1024px) {
  .cta { padding-block: var(--space-16); }
}
.cta__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.cta__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cta__media.no-img {
  background:
    radial-gradient(ellipse at 50% 50%, rgba(225, 6, 0, 0.12), transparent 70%),
    linear-gradient(180deg, var(--kobe-black) 0%, var(--kobe-graphite) 100%);
}
.cta__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(10,10,10,0.75), rgba(10,10,10,0.85));
}
.cta__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
}
.cta__content h2 { margin-bottom: var(--space-2); }
.cta__content p { color: var(--kobe-white); margin-inline: auto; margin-bottom: var(--space-4); }
.cta__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

/* ---------- Contacto ---------- */
.contacto {
  padding-block: var(--space-8);
}
@media (min-width: 1024px) {
  .contacto { padding-block: var(--space-12); }
}
.contacto__layout {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 1024px) {
  .contacto__layout {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-8);
  }
}
.contacto__head { max-width: 480px; }
.contacto__head p { margin-bottom: 0; }

.contacto__form {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr 1fr;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field--full { grid-column: 1 / -1; }

.field label {
  font-family: var(--ff-display);
  font-weight: var(--fw-medium);
  font-size: 0.75rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--kobe-gray);
}
.field input,
.field textarea {
  font-family: var(--ff-body);
  font-size: 0.95rem;
  color: var(--kobe-white);
  background: var(--kobe-carbon);
  border: var(--border-1);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  width: 100%;
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--kobe-red);
  background: var(--kobe-graphite);
}
.field textarea {
  resize: vertical;
  min-height: 90px;
  line-height: var(--lh-body);
}
.contacto__form > .btn {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: var(--space-1);
}