/* Blendtail — Estilos base: tipografía, layout, secciones editoriales */

body {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--fs-body);
  color: var(--text-on-light);
  background: var(--surface-light);
  overflow-x: hidden;
}

.wrap {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
}

.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-sm);
  z-index: 999;
  background: var(--brand-orange);
  color: var(--brand-ink);
  font-weight: var(--weight-bold);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: top var(--duration-fast) var(--ease-editorial);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* ---------- Tipografía editorial ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--fs-micro);
  font-weight: var(--weight-bold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-orange-strong);
  margin-bottom: var(--space-sm);
}

.eyebrow::before {
  content: '';
  width: 1.6em;
  height: 2px;
  background: currentColor;
}

.eyebrow--on-dark {
  color: var(--brand-orange);
}

.editorial-title {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: var(--fs-h1);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--brand-ink);
}

.editorial-title--on-dark {
  color: var(--brand-cream);
}

.editorial-title__accent {
  color: var(--brand-orange);
}

.editorial-title em {
  font-style: normal;
  font-weight: var(--weight-extralight);
}

.lead-text {
  font-size: var(--fs-lead);
  font-weight: var(--weight-medium);
  line-height: 1.4;
  max-width: 42ch;
}

.lead-text--on-dark {
  color: var(--text-on-dark);
}

.statement-text {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: var(--weight-extralight);
  color: var(--brand-orange);
  max-width: 20ch;
  line-height: 1.2;
  margin-top: var(--space-md);
}

.pull-quote {
  border-top: 1px solid var(--hairline);
  padding-top: var(--space-lg);
  margin-top: var(--space-2xl);
  max-width: 56ch;
}

.pull-quote p {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: var(--weight-medium);
  font-style: italic;
  line-height: 1.32;
  color: var(--brand-teal-strong);
}

/* ---------- Estructura de sección ---------- */

.section {
  position: relative;
  padding-block: var(--space-2xl);
}

.section--light {
  background: var(--surface-light);
  color: var(--text-on-light);
}

.section--dark {
  background: var(--surface-dark);
  color: var(--text-on-dark);
  overflow: hidden;
}

.section__pattern {
  position: absolute;
  inset: 0;
  background-image: var(--scent-pattern);
  background-size: 340px;
  opacity: 0.5;
  pointer-events: none;
}

.section--split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-xl);
  align-items: start;
}

.section--offset {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: end;
  position: relative;
  z-index: 1;
}

.section__note {
  color: var(--text-on-dark-muted);
  font-size: var(--fs-body);
  margin-top: var(--space-sm);
  max-width: 30ch;
}

.section__heading--center {
  text-align: center;
  max-width: var(--container-narrow);
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}

.section__heading--center .eyebrow::before {
  display: none;
}

.section__content p + p {
  margin-top: var(--space-sm);
}

.section__content--on-dark {
  color: var(--text-on-dark-muted);
}

/* ---------- HEADER / NAV ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-block: var(--space-sm);
  transition: padding var(--duration-fast) var(--ease-editorial),
              background-color var(--duration-fast) var(--ease-editorial),
              box-shadow var(--duration-fast) var(--ease-editorial);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--brand-cream) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-editorial);
  z-index: -1;
}

.site-header.is-scrolled {
  padding-block: var(--space-2xs);
  box-shadow: var(--shadow-soft);
}

.site-header.is-scrolled::before {
  opacity: 1;
}

.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.wordmark__name {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: 1.5rem;
  letter-spacing: 0.01em;
  color: var(--brand-orange);
}

.wordmark__tag {
  font-size: 0.58rem;
  font-weight: var(--weight-bold);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-on-light-muted);
  margin-top: 0.2em;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.primary-nav a {
  font-size: var(--fs-small);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
  position: relative;
  padding-block: 0.2em;
}

.primary-nav a:not(.primary-nav__cta)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--brand-orange);
  transition: right var(--duration-fast) var(--ease-editorial);
}

.primary-nav a:not(.primary-nav__cta):hover::after,
.primary-nav a:not(.primary-nav__cta):focus-visible::after,
.primary-nav a.is-active:not(.primary-nav__cta)::after {
  right: 0;
}

.primary-nav a.is-active:not(.primary-nav__cta) {
  color: var(--brand-orange-strong);
}

.primary-nav__cta {
  background: var(--brand-ink);
  color: var(--brand-cream);
  padding: 0.55em 1.2em;
  border-radius: var(--radius-sm);
}

.nav-toggle {
  display: none;
  position: relative;
  width: 2.4rem;
  height: 2.4rem;
  color: var(--brand-ink);
}

.nav-toggle svg {
  position: absolute;
  inset: 0.5rem;
  transition: opacity var(--duration-fast), transform var(--duration-fast);
}

.nav-toggle__icon-close {
  opacity: 0;
  transform: rotate(-45deg);
}

.nav-scrim {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--brand-ink) 55%, transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-editorial);
  z-index: 90;
}

/* ---------- HERO ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: radial-gradient(120% 100% at 15% 0%, var(--brand-teal) 0%, var(--brand-ink) 62%);
  color: var(--text-on-dark);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
  overflow: hidden;
}

.hero__texture {
  position: absolute;
  inset: -10%;
  background-image: var(--scent-pattern);
  background-size: 420px;
  opacity: 0.35;
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: var(--fs-display);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-block: var(--space-sm) var(--space-md);
}

.hero__lead {
  font-size: var(--fs-lead);
  font-weight: var(--weight-semibold);
  color: var(--brand-orange);
  max-width: 34ch;
}

.hero__body {
  margin-top: var(--space-sm);
  max-width: 46ch;
  color: var(--text-on-dark-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.hero__visual {
  position: relative;
  justify-self: center;
  max-width: 380px;
  width: 100%;
}

.hero__visual img {
  width: 100%;
  filter: drop-shadow(0 40px 60px rgb(0 0 0 / 0.45));
}

.hero__caption {
  text-align: center;
  margin-top: var(--space-sm);
  font-size: var(--fs-small);
  letter-spacing: 0.05em;
  color: var(--text-on-dark-muted);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 3.5rem;
  background: color-mix(in srgb, var(--brand-cream) 40%, transparent);
}

.hero__scroll span {
  position: absolute;
  top: 0;
  left: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand-orange);
  animation: scroll-cue 2.2s var(--ease-editorial) infinite;
}

@keyframes scroll-cue {
  0% { top: 0; opacity: 0; }
  20% { opacity: 1; }
  90% { opacity: 0; }
  100% { top: 90%; opacity: 0; }
}

/* ---------- PRODUCTO ---------- */

.section--product {
  background: var(--surface-light-alt);
}

.product__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.product__visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
}

.product__composition {
  margin-top: var(--space-md);
  max-width: 52ch;
  color: var(--text-on-light-muted);
  border-left: 3px solid var(--brand-orange);
  padding-left: var(--space-sm);
}

/* ---------- EXPERIENCIA ---------- */

.experience__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-xl);
  align-items: center;
}

.section--experience {
  background: var(--surface-light);
}

.experience__copy p {
  color: var(--text-on-light-muted);
  max-width: 48ch;
}

.experience__copy .lead-text {
  color: var(--text-on-light);
  margin-block: var(--space-sm);
}

.experience__visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
}

/* ---------- Revelado en scroll ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration-slow) var(--ease-editorial),
              transform var(--duration-slow) var(--ease-editorial);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="1"] { transition-delay: 90ms; }
[data-reveal-delay="2"] { transition-delay: 180ms; }
[data-reveal-delay="3"] { transition-delay: 270ms; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- CTA FINAL ---------- */

.cta-final {
  background: var(--brand-orange);
  color: var(--brand-ink);
  padding-block: var(--space-2xl);
  text-align: center;
}

.cta-final .editorial-title {
  color: var(--brand-ink);
}

.cta-final .lead-text {
  margin-inline: auto;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
  color: color-mix(in srgb, var(--brand-ink) 82%, transparent);
}

.cta-final__inner {
  max-width: var(--container-narrow);
}