/* ==========================================================================
   LÍNEA SALUDABLE — EDITORIAL DIGITAL WELLNESS STYLESHEET
   Design System:
   - Warm Dark Base (#101310, #171B17)
   - Warm Ivory (#F1EBDD) & Editorial Sans/Mono (#F5F1E8)
   - Accents: Lime (#B8E33D), Secondary Green (#6F9D4A), Warm Orange (#D98A52), Soft Yellow (#E3C85B)
   - Strict 1px Architectural Line System
   ========================================================================== */

:root {
  --bg-primary: #101310;
  --bg-surface: #171B17;
  --bg-elevated: #1F251F;
  --bg-subtle: #141814;
  
  --text-primary: #F5F1E8;
  --text-ivory: #F1EBDD;
  --text-muted: #9B9D94;
  --text-dim: #6B6F66;
  
  --accent-lime: #B8E33D;
  --accent-green: #6F9D4A;
  --accent-orange: #D98A52;
  --accent-yellow: #E3C85B;
  
  --border-line: rgba(241, 235, 221, 0.12);
  --border-lime: rgba(184, 227, 61, 0.35);
  --border-active: #B8E33D;

  --font-display: 'Fraunces', 'Cinzel', serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Space Mono', 'JetBrains Mono', monospace;
  
  --container-max: 1360px;
  --section-padding: clamp(4rem, 8vw, 8.5rem);
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  color: var(--text-primary);
}

/* Layout Utilities */
.site-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);
}

.site-container-wide {
  width: 100%;
  max-width: 1540px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1.25rem, 4vw, 3rem);
}

/* Editorial Line System */
.line-sep {
  height: 1px;
  width: 100%;
  background: var(--border-line);
  position: relative;
}

.line-sep.line-accent {
  background: linear-gradient(90deg, var(--border-line), var(--accent-lime), var(--border-line));
}

.line-vertical {
  width: 1px;
  background: var(--border-line);
  height: 100%;
}

/* Editorial Typography */
.label-tech {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-lime);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.label-tech::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-lime);
}

.label-muted {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.heading-hero {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 6.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-ivory);
}

.heading-section {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text-ivory);
}

.heading-sub {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--text-ivory);
}

.text-lead {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.7;
}

.number-display {
  font-family: var(--font-mono);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

/* ==========================================================================
   NAVIGATION & FULLSCREEN MENU
   ========================================================================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(16, 19, 16, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-line);
  padding: 1.25rem 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-ivory);
}

.brand-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-lime);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(184, 227, 61, 0.6);
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-center a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding: 0.4rem 0;
}

.nav-center a:hover,
.nav-center a.active {
  color: var(--accent-lime);
}

.nav-center a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background: var(--accent-lime);
  transition: width 0.3s ease;
}

.nav-center a:hover::after,
.nav-center a.active::after {
  width: 100%;
}

.nav-menu-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-ivory);
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border-line);
  border-radius: 2px;
  background: rgba(23, 27, 23, 0.6);
  transition: var(--transition-smooth);
}

.nav-menu-btn:hover {
  border-color: var(--accent-lime);
  color: var(--accent-lime);
}

.menu-lines {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
}

.menu-lines span {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.3s ease;
}

/* Fullscreen Menu Modal */
.menu-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(12, 15, 12, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  display: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  overflow-y: auto;
}

.menu-overlay.active {
  display: flex;
  opacity: 1;
}

.menu-content {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(2rem, 5vw, 4rem);
}

.menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 1.5rem;
}

.menu-close-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.menu-close-btn:hover {
  color: var(--accent-lime);
}

.menu-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin: 3rem 0;
}

.menu-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.menu-nav-list li a {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.8vw, 3.2rem);
  font-weight: 300;
  color: var(--text-muted);
  display: inline-flex;
  align-items: baseline;
  gap: 1.5rem;
  transition: var(--transition-smooth);
}

.menu-nav-list li a span.num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-green);
}

.menu-nav-list li a:hover {
  color: var(--text-ivory);
  transform: translateX(12px);
}

.menu-nav-list li a:hover span.num {
  color: var(--accent-lime);
}

.menu-side-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid var(--border-line);
  padding-left: 3rem;
}

.menu-side-block h4 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-lime);
  margin-bottom: 1.25rem;
}

.menu-side-block p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   BUTTONS & DATA BADGES
   ========================================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1rem 2.2rem;
  background-color: var(--accent-lime);
  color: #101310;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background-color: #c7ff38;
  box-shadow: 0 0 24px rgba(184, 227, 61, 0.35);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 0.95rem 2rem;
  background-color: transparent;
  color: var(--text-ivory);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--border-line);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  border-color: var(--accent-lime);
  color: var(--accent-lime);
  background: rgba(184, 227, 61, 0.05);
}

/* ==========================================================================
   HERO EDITORIAL SECTION
   ========================================================================== */
.hero-editorial {
  padding-top: clamp(2rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 6rem);
  position: relative;
  overflow: hidden;
}

.hero-meta-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.hero-layout-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: flex-end;
  position: relative;
}

.hero-headline-block {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.hero-media-wrapper {
  position: relative;
  border: 1px solid var(--border-line);
  background: var(--bg-surface);
  overflow: hidden;
}

.hero-media-img {
  width: 100%;
  height: clamp(360px, 50vw, 540px);
  object-fit: cover;
  filter: contrast(1.05) brightness(0.92);
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-media-wrapper:hover .hero-media-img {
  transform: scale(1.03);
}

.hero-floating-data {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: rgba(16, 19, 16, 0.88);
  border: 1px solid var(--border-lime);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.25rem 1.5rem;
  max-width: 260px;
}

.hero-floating-data .data-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--accent-lime);
  margin-bottom: 0.4rem;
  display: flex;
  justify-content: space-between;
}

.hero-floating-data .data-tag span.badge-ejemplo {
  color: var(--accent-yellow);
  border: 1px solid rgba(227, 200, 91, 0.4);
  padding: 1px 4px;
  font-size: 0.6rem;
}

.hero-floating-data .data-val {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--text-ivory);
  line-height: 1;
}

.hero-floating-data .data-range {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

.hero-bottom-bar {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-scroll-cue {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.scroll-line {
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--accent-lime);
}

/* ==========================================================================
   STATEMENT & ACCORDION LINES (01 DATOS / 02 HÁBITOS ...)
   ========================================================================== */
.section-statement {
  padding: var(--section-padding) 0;
  border-bottom: 1px solid var(--border-line);
  background-color: var(--bg-surface);
}

.statement-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.pillar-col {
  border-right: 1px solid var(--border-line);
  padding: 2.5rem 1.75rem;
  transition: var(--transition-smooth);
  position: relative;
  background: transparent;
}

.pillar-col:first-child {
  border-left: 1px solid var(--border-line);
}

.pillar-col:hover {
  background: var(--bg-elevated);
}

.pillar-col.active {
  border-top: 2px solid var(--accent-lime);
  background: var(--bg-elevated);
}

.pillar-head {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-lime);
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-ivory);
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   CALCULADORA DE IMC (EDITORIAL & ASYMMETRIC)
   ========================================================================== */
.section-calculator {
  padding: var(--section-padding) 0;
  position: relative;
  background: var(--bg-primary);
}

.calc-editorial-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: clamp(2rem, 5vw, 4rem);
  position: relative;
}

.calc-editorial-wrapper::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 20%;
  width: 40%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-lime), transparent);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.calc-form-pane {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.calc-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.calc-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-ivory);
}

.calc-unit {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-lime);
}

.calc-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.calc-input {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-line);
  padding: 1.1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  color: var(--text-ivory);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.calc-input:focus {
  outline: none;
  border-color: var(--accent-lime);
  box-shadow: 0 0 12px rgba(184, 227, 61, 0.2);
}

.calc-sex-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.sex-btn {
  padding: 1rem;
  border: 1px solid var(--border-line);
  background: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  transition: var(--transition-smooth);
}

.sex-btn.active, .sex-btn:hover {
  border-color: var(--accent-lime);
  color: var(--text-ivory);
  background: rgba(184, 227, 61, 0.08);
}

.calc-error-msg {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-orange);
  min-height: 1.2rem;
}

/* Results Display Pane */
.calc-result-pane {
  background: var(--bg-elevated);
  border: 1px solid var(--border-line);
  padding: clamp(2rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}

.calc-result-pane::after {
  content: "REF. ORIENTATIVA";
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.result-main-num-box {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
}

.result-imc-val {
  font-family: var(--font-mono);
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 0.9;
  color: var(--accent-lime);
}

.result-imc-category {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--text-ivory);
  text-transform: uppercase;
}

/* Circular & SVG Visualizer */
.calc-visual-strip {
  position: relative;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.strip-bar {
  height: 6px;
  background: rgba(241, 235, 221, 0.1);
  border-radius: 3px;
  position: relative;
  overflow: visible;
}

.strip-bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, #6F9D4A, #B8E33D, #D98A52);
  border-radius: 3px;
  width: 50%;
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.strip-pointer {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-lime);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 10px rgba(184, 227, 61, 0.7);
  transition: left 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.strip-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Weight range card */
.range-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 1.25rem 1.5rem;
}

.range-box-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.range-box-val {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--text-ivory);
}

.calc-disclaimer {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
  border-top: 1px dashed var(--border-line);
  padding-top: 1rem;
}

/* ==========================================================================
   INTERACTIVE TOOLS: 
   Tool 1: TU ALTURA. TU RANGO (Vertical Human SVG scale)
   Tool 2: CAMBIA EL PESO. OBSERVA EL IMC
   ========================================================================== */
.tools-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 3.5rem;
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: clamp(2rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.slider-group {
  margin: 2rem 0;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.editorial-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(241, 235, 221, 0.15);
  border-radius: 2px;
  outline: none;
  transition: opacity 0.2s;
}

.editorial-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-lime);
  cursor: pointer;
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 10px rgba(184, 227, 61, 0.5);
  transition: transform 0.15s ease;
}

.editorial-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.editorial-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-lime);
  cursor: pointer;
  border: 2px solid var(--bg-primary);
}

/* SVG Human Scale Figure */
.human-scale-svg-box {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 0;
  height: 180px;
  background: var(--bg-primary);
  border: 1px solid var(--border-line);
  position: relative;
  overflow: hidden;
}

/* ==========================================================================
   PARALLAX SCENES & EDITORIAL VISUALS
   ========================================================================== */
.parallax-scene-wrap {
  position: relative;
  width: 100%;
  height: clamp(420px, 60vh, 650px);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.parallax-bg-img {
  position: absolute;
  inset: -15%;
  width: 130%;
  height: 130%;
  object-fit: cover;
  filter: contrast(1.1) brightness(0.65);
  transform: translateY(0px);
  will-change: transform;
}

.parallax-scene-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  padding: 0 1.5rem;
}

.parallax-scene-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  font-weight: 300;
  color: var(--text-ivory);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   4 LÍNEAS SECTION (ALIMENTACIÓN / MOVIMIENTO / DESCANSO / HÁBITOS)
   ========================================================================== */
.four-lines-section {
  padding: var(--section-padding) 0;
  background-color: var(--bg-surface);
}

.four-lines-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-top: 4rem;
}

.line-item-row {
  display: grid;
  grid-template-columns: 0.35fr 1.25fr 1.4fr;
  gap: 3rem;
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border-line);
  transition: var(--transition-smooth);
}

.line-item-row:hover {
  border-bottom-color: var(--accent-lime);
}

.line-item-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--accent-lime);
}

.line-item-info h3 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--text-ivory);
  margin-bottom: 0.75rem;
}

.line-item-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.line-item-img-wrap {
  height: 220px;
  overflow: hidden;
  border: 1px solid var(--border-line);
}

.line-item-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.line-item-row:hover .line-item-img-wrap img {
  transform: scale(1.05);
}

/* ==========================================================================
   EDITORIAL ARTICLES & GUIDES GRID
   ========================================================================== */
.articles-editorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.article-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  position: relative;
}

.article-card:hover {
  border-color: var(--accent-lime);
  transform: translateY(-4px);
}

.article-card-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent-lime);
  margin-bottom: 1.25rem;
}

.article-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.3;
  color: var(--text-ivory);
  margin-bottom: 1rem;
}

.article-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.article-card-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-lime);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 3rem;
}

.faq-item {
  border: 1px solid var(--border-line);
  background: var(--bg-surface);
  transition: var(--transition-smooth);
}

.faq-item.active {
  border-color: var(--accent-lime);
  background: var(--bg-elevated);
}

.faq-question-btn {
  width: 100%;
  padding: 1.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-ivory);
}

.faq-icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent-lime);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 2rem 1.75rem 2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   ARTICLE / GUIDE DETAIL TEMPLATE
   ========================================================================== */
.article-detail-header {
  padding: clamp(3rem, 6vw, 6rem) 0 3rem 0;
  border-bottom: 1px solid var(--border-line);
}

.article-detail-body {
  padding: clamp(3rem, 5vw, 5rem) 0;
}

.article-layout {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 5rem;
  align-items: start;
}

.article-prose {
  color: var(--text-primary);
  font-size: 1.08rem;
  line-height: 1.8;
}

.article-prose h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--text-ivory);
  margin: 3rem 0 1.25rem 0;
}

.article-prose h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-ivory);
  margin: 2rem 0 1rem 0;
}

.article-prose p {
  margin-bottom: 1.6rem;
  color: #d1cecc;
}

.article-prose ul, .article-prose ol {
  margin-bottom: 1.8rem;
  padding-left: 1.5rem;
  color: #d1cecc;
}

.article-prose li {
  margin-bottom: 0.6rem;
}

.article-quote-box {
  border-left: 2px solid var(--accent-lime);
  padding: 1.5rem 2rem;
  margin: 2.5rem 0;
  background: var(--bg-surface);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-ivory);
}

.article-sidebar {
  position: sticky;
  top: 6rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.sidebar-widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 1.75rem;
}

.sidebar-widget h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-lime);
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 0.75rem;
}

/* ==========================================================================
   CONTACT FORM (EDITORIAL TYPOGRAPHY STYLE)
   ========================================================================== */
.contact-editorial-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 680px;
}

.contact-input-field {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-line);
  padding: 1rem 0;
  font-size: 1.15rem;
  color: var(--text-ivory);
  border-radius: 0;
  transition: border-color 0.3s ease;
}

.contact-input-field:focus {
  outline: none;
  border-bottom-color: var(--accent-lime);
}

.contact-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-line);
  background-color: var(--bg-subtle);
  padding-top: clamp(3.5rem, 6vw, 6rem);
  padding-bottom: 3rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: var(--text-ivory);
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-lime);
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-ivory);
  margin-bottom: 1.5rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul li a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--accent-lime);
}

.footer-bottom-disclaimer {
  border-top: 1px solid var(--border-line);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-layout-grid,
  .statement-grid,
  .calc-grid,
  .tools-showcase-grid,
  .article-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .pillars-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .line-item-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-center {
    display: none;
  }
  
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  
  .menu-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .menu-side-info {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border-line);
    padding-top: 2rem;
  }
  
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .parallax-bg-img {
    transform: none !important;
  }
}