/* ==========================================================================
   DREAMFYRE TECHNOLOGIES — ESTILOS BASE, TRANSICIONES Y SISTEMA EDITORIAL
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--brand-hielo);
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--brand-hielo);
  overflow-x: hidden;
  min-height: 100vh;
  selection-background-color: var(--brand-violeta);
}

::selection {
  background-color: var(--brand-violeta);
  color: #FFFFFF;
}

/* --- SKIP LINK ACCESIBLE --- */
.skip-link {
  position: fixed;
  top: -120px;
  left: 24px;
  background-color: var(--brand-violeta);
  color: #FFFFFF;
  padding: 14px 24px;
  z-index: 10000;
  font-family: var(--font-body);
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 24px;
}

/* --- BARRA DE PROGRESO DE LECTURA SUPERIOR --- */
.scroll-progress-track {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 9990;
  background: transparent;
  pointer-events: none;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background-color: var(--brand-violeta);
  transform-origin: left center;
  transition: width 0.08s linear;
}

/* --- CORTINA DE APERTURA COREOGRAFIADA (PAGE INTRO COMPATIBLE CON SAFARI / WEBKIT) --- */
.brand-intro-curtain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: var(--brand-tinta);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  pointer-events: all;
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.65s ease, -webkit-clip-path 0.8s var(--ease-in-out-quart), clip-path 0.8s var(--ease-in-out-quart), visibility 0.8s;
}

.brand-intro-curtain.is-dismissed {
  opacity: 0 !important;
  visibility: hidden !important;
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 0, 0 0) !important;
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 0) !important;
  pointer-events: none !important;
}

.intro-symbol-wrap {
  width: 84px;
  height: 88px;
  position: relative;
  filter: drop-shadow(0 12px 28px rgba(255, 255, 255, 0.16));
}

.intro-symbol-wrap svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.intro-mass-top {
  fill: #FFFFFF;
  transform: translate(-18px, -18px);
  opacity: 0;
  animation: assembleMassTop 0.85s var(--ease-out-expo) 0.1s forwards;
}

.intro-mass-bottom {
  fill: #FFFFFF;
  transform: translate(18px, 18px);
  opacity: 0;
  animation: assembleMassBottom 0.85s var(--ease-out-expo) 0.25s forwards;
}

@keyframes assembleMassTop {
  to {
    transform: translate(0, 0);
    opacity: 1;
  }
}

@keyframes assembleMassBottom {
  to {
    transform: translate(0, 0);
    opacity: 1;
  }
}

.intro-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand-hielo);
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUpShort 0.6s var(--ease-out-expo) 0.35s forwards;
}

.intro-meta-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--brand-menta);
  box-shadow: 0 0 10px var(--brand-menta);
}

.intro-loader-bar {
  width: 148px;
  height: 3px;
  border-radius: 999px;
  background-color: rgba(246, 245, 250, 0.12);
  overflow: hidden;
  opacity: 0;
  animation: fadeUpShort 0.4s ease 0.4s forwards;
}

.intro-loader-fill {
  height: 100%;
  width: 0%;
  background-color: var(--brand-violeta);
  border-radius: 999px;
  animation: introProgressFill 1.65s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
}

@keyframes introProgressFill {
  0% { width: 0%; background-color: var(--brand-violeta); }
  70% { width: 82%; background-color: var(--brand-lavanda); }
  100% { width: 100%; background-color: var(--brand-menta); }
}

@keyframes fadeUpShort {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- CONTENEDORES ARQUITECTÓNICOS --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1.25rem, 4vw, 3rem);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1.25rem, 4vw, 3rem);
}

/* --- JERARQUÍA TIPOGRÁFICA MANROPE + INTER --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: inherit;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.032em;
}

h1 {
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

h2 {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h3 {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.18;
}

h4 {
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.3;
}

p {
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 64ch;
}

.lead-text {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--text-secondary);
  font-weight: 400;
}

/* --- PÍLDORAS Y ETIQUETAS DE SISTEMA --- */
.brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  background-color: var(--brand-lavanda);
  color: var(--brand-tinta);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-pill-mint {
  background-color: var(--brand-menta);
  color: var(--brand-tinta);
}

.brand-pill-outline {
  background-color: transparent;
  color: var(--brand-violeta);
  border: 1.5px solid var(--brand-violeta);
}

.section-dark .brand-pill-outline {
  color: var(--brand-lavanda);
  border-color: rgba(199, 184, 255, 0.35);
}

.section-index-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-violeta);
  margin-bottom: var(--space-4);
}

.section-index-tag .index-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 9px;
  border-radius: var(--radius-xs);
  background-color: var(--brand-violeta-soft);
  color: var(--brand-violeta);
  font-weight: 800;
}

.section-dark .section-index-tag {
  color: var(--brand-lavanda);
}

.section-dark .section-index-tag .index-num {
  background-color: rgba(199, 184, 255, 0.14);
  color: var(--brand-lavanda);
}

/* --- BOTONES CON TRANSICIÓN DE CORTINA Y EFECTO MAGNÉTICO --- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  padding: 16px 28px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-normal), border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  z-index: 1;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: translateY(102%);
  transition: transform 0.38s var(--ease-out-expo);
}

.btn:hover::before {
  transform: translateY(0%);
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translate(4px, 0);
}

/* Botón Primario Violeta -> Cortina Tinta */
.btn-primary {
  background-color: var(--brand-violeta);
  color: #FFFFFF;
  border-color: var(--brand-violeta);
  box-shadow: var(--shadow-violet);
}

.btn-primary::before {
  background-color: var(--brand-tinta);
}

.btn-primary:hover {
  border-color: var(--brand-tinta);
  color: #FFFFFF;
}

/* Botón Secundario Hielo/Blanco -> Cortina Lavanda Suave */
.btn-secondary {
  background-color: #FFFFFF;
  color: var(--brand-tinta);
  border-color: var(--border-strong);
}

.btn-secondary::before {
  background-color: var(--brand-lavanda-soft);
}

.btn-secondary:hover {
  border-color: var(--brand-violeta);
  color: var(--brand-violeta);
}

/* Botones en Sección Oscura (Tinta) */
.section-dark .btn-primary {
  background-color: var(--brand-lavanda);
  color: var(--brand-tinta);
  border-color: var(--brand-lavanda);
  box-shadow: 0 12px 32px -8px rgba(199, 184, 255, 0.25);
}

.section-dark .btn-primary::before {
  background-color: var(--brand-menta);
}

.section-dark .btn-primary:hover {
  border-color: var(--brand-menta);
  color: var(--brand-tinta);
}

.section-dark .btn-secondary {
  background-color: rgba(246, 245, 250, 0.05);
  color: #F6F5FA;
  border-color: var(--border-strong);
}

.section-dark .btn-secondary::before {
  background-color: var(--brand-violeta);
}

.section-dark .btn-secondary:hover {
  border-color: var(--brand-violeta);
  color: #FFFFFF;
}

/* --- SECCIONES Y ALTERNANCIA DE FONDOS --- */
.section {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
  position: relative;
}

.section-ice {
  background-color: var(--brand-hielo);
  color: var(--brand-tinta);
}

.section-white {
  background-color: #FFFFFF;
  color: var(--brand-tinta);
}

.section-dark {
  background-color: var(--brand-tinta);
  color: var(--brand-hielo);
}

/* --- ANIMACIONES DE ENTRADA AL HACER SCROLL (PROGRESIVAS Y SEGURAS) --- */
.fade-up {
  opacity: 1;
  transform: none;
  transition: opacity 0.75s var(--ease-out-expo), transform 0.75s var(--ease-out-expo);
}

.js-ready .fade-up:not(.is-visible) {
  opacity: 0;
  transform: translateY(28px);
}

.js-ready .fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }