/* ==========================================================================
   ORIGEN CORE — Landing Page Styles
   Paleta: Azul Medianoche, Blanco Hielo, Gris Mercurio, Esmeralda
   ========================================================================== */

:root {
    /* Primary Palette */
    --azul-medianoche: #0F172A;
    --azul-medianoche-light: #1E293B;
    --azul-medianoche-lighter: #334155;
    --blanco-hielo: #F8FAFC;
    --blanco-hielo-muted: rgba(248, 250, 252, 0.85);
    --gris-mercurio: #E2E8F0;
    --gris-mercurio-light: #F1F5F9;
    --gris-mercurio-dark: #94A3B8;
    --esmeralda: #10B981;
    --esmeralda-hover: #34D399;
    --esmeralda-subtle: rgba(16, 185, 129, 0.1);
    
    /* Background Hierarchy */
    --color-bg-primary: var(--azul-medianoche);
    --color-bg-secondary: var(--azul-medianoche-light);
    --color-bg-elevated: var(--azul-medianoche-lighter);
    --color-bg-card: rgba(30, 41, 59, 0.5);
    --color-border-subtle: rgba(148, 163, 184, 0.1);
    --color-border-medium: rgba(148, 163, 184, 0.2);
    
    /* Text Colors */
    --color-text-primary: var(--blanco-hielo);
    --color-text-secondary: var(--blanco-hielo-muted);
    --color-text-muted: var(--gris-mercurio);
    --color-text-tertiary: var(--gris-mercurio-dark);
    
    /* Accent */
    --color-accent: var(--esmeralda);
    --color-accent-hover: var(--esmeralda-hover);
    --color-accent-subtle: var(--esmeralda-subtle);
    
    /* Focus states */
    --color-focus: var(--esmeralda);
    --color-focus-ring: rgba(16, 185, 129, 0.4);
    
    /* Typography — Integridad: Libre Baskerville (títulos) + Lora (cuerpo) */
    --font-display: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
    --font-body: 'Lora', Georgia, 'Times New Roman', serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;
    
    /* Layout */
    --max-width: 1120px;
    --nav-height: 64px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    
    /* Transitions */
    --transition-micro: 0.1s ease;
    --transition-subtle: 0.2s ease;
    --transition-smooth: 0.35s ease;
    
    /* Focus outline */
    --focus-outline: 2px solid var(--color-focus);
    --focus-outline-offset: 3px;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-gutter: stable;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    background-color: var(--color-bg-primary);
    color: var(--color-text-secondary);
    line-height: 1.75;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    font-feature-settings: 'kern' 1, 'liga' 1;
}

::selection {
    background: var(--color-accent);
    color: var(--azul-medianoche);
}

:focus-visible {
    outline: var(--focus-outline);
    outline-offset: var(--focus-outline-offset);
}

:focus:not(:focus-visible) {
    outline: none;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--azul-medianoche);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    z-index: 9999;
    transition: top var(--transition-subtle);
}

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

/* --------------------------------------------------------------------------
   Typography — Integridad: serif con carácter y claridad
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.25;
    letter-spacing: -0.01em;
    text-wrap: balance;
}

p, li {
    font-size: 1rem;
    min-height: 1.5em;
    letter-spacing: 0.005em;
}

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    background: transparent;
    z-index: 1000;
    transition: background var(--transition-smooth), border-color var(--transition-smooth);
}

.nav.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-subtle);
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo-icon {
    width: 36px;
    height: 36px;
    background: transparent;
}

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

.nav-links a {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: color var(--transition-micro);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

.nav-cta {
    /* Squeezable Verde Boreal - radial gradient for illuminated center */
    background: radial-gradient(ellipse 80% 60% at 50% 40%, var(--color-accent-hover) 0%, var(--color-accent) 100%);
    color: var(--azul-medianoche) !important;
    font-weight: 600;
    padding: var(--space-xs) var(--space-md) !important;
    border: none;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    transition: box-shadow 0.3s ease, transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.nav-cta:hover {
    /* Bloom/glow effect */
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4), 0 0 40px rgba(16, 185, 129, 0.2);
}

.nav-cta:active {
    /* Elastic micro-interaction */
    transform: scale(0.96);
}

.nav-cta:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--azul-medianoche), 0 0 0 4px var(--color-accent);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: var(--space-2xl) var(--space-lg) var(--space-3xl);
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 0% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 50%),
        var(--color-bg-primary);
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-logo {
    margin-bottom: var(--space-xs);
    opacity: 0;
    animation: calmFadeIn 0.8s ease-out forwards;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.isologo {
    width: 100%;
    max-width: 720px;
    height: auto;
}


.hero-intro {
    opacity: 0;
    animation: calmFadeIn 0.8s ease-out 0.25s forwards;
}

.hero-statement {
    font-family: var(--font-display);
    font-size: clamp(1.375rem, 3vw, 2rem);
    font-weight: 400;
    font-style: italic;
    color: var(--color-text-primary);
    line-height: 1.45;
    margin-bottom: var(--space-xl);
    letter-spacing: 0;
}

.hero-cta-group {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    min-height: 48px;
    /* Squeezable Verde Boreal - radial gradient for illuminated center */
    background: radial-gradient(ellipse 80% 60% at 50% 40%, var(--color-accent-hover) 0%, var(--color-accent) 100%);
    color: var(--azul-medianoche);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    transition: box-shadow 0.3s ease, transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-primary:hover {
    /* Bloom/glow effect Verde Boreal */
    box-shadow: 0 0 24px rgba(16, 185, 129, 0.45), 0 0 48px rgba(16, 185, 129, 0.2);
}

.btn-primary:active {
    /* Elastic micro-interaction */
    transform: scale(0.96);
    transition: transform 0.1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-primary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--azul-medianoche), 0 0 0 4px var(--color-accent);
}

/* --------------------------------------------------------------------------
   Glassy CTA Button - Crystal Glass Effect
   -------------------------------------------------------------------------- */
.btn-glass-cta {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 1rem 2rem;
    min-height: 52px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--blanco-hielo);
    background: transparent;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-glass-cta:hover {
    transform: translateY(-2px);
}

.btn-glass-cta:active {
    transform: translateY(1px) scale(0.98);
    transition: transform 0.1s ease;
}

/* Outer glass layer */
.btn-glass-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 14px;
    background: 
        linear-gradient(135deg, 
            rgba(16, 185, 129, 0.25) 0%, 
            rgba(16, 185, 129, 0.15) 50%,
            rgba(52, 211, 153, 0.2) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(52, 211, 153, 0.35);
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.2),
        inset 0 -1px 1px rgba(0, 0, 0, 0.05),
        0 8px 32px -8px rgba(16, 185, 129, 0.35),
        0 0 20px rgba(16, 185, 129, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.08);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -2;
}

/* Inner glass reflection layer */
.btn-glass-cta::after {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 11px;
    background: 
        linear-gradient(180deg, 
            rgba(255, 255, 255, 0.25) 0%, 
            rgba(255, 255, 255, 0.05) 30%,
            transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Content wrapper for z-index */
.btn-glass-cta span {
    position: relative;
    z-index: 1;
}

/* Shine sweep effect */
.btn-glass-cta .btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 40%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.1) 60%,
        transparent 100%
    );
    transform: skewX(-20deg);
    transition: left 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    z-index: 0;
}

.btn-glass-cta:hover .btn-shine {
    left: 150%;
}

/* Background glow */
.btn-glass-cta .btn-glow {
    position: absolute;
    inset: -30%;
    border-radius: 50%;
    background: radial-gradient(
        circle at center,
        rgba(16, 185, 129, 0.5) 0%,
        rgba(52, 211, 153, 0.25) 40%,
        transparent 70%
    );
    opacity: 0.4;
    filter: blur(25px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    z-index: -3;
}

.btn-glass-cta:hover .btn-glow {
    opacity: 1;
    animation: glassGlowPulse 2s ease-in-out infinite;
}

@keyframes glassGlowPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

/* Prismatic edge effect */
.btn-glass-cta .btn-prismatic {
    position: absolute;
    inset: -2px;
    border-radius: 16px;
    background: conic-gradient(
        from 0deg,
        #10B981,
        #34D399,
        #6EE7B7,
        #A7F3D0,
        #6EE7B7,
        #34D399,
        #10B981
    );
    opacity: 0;
    filter: blur(8px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -3;
    animation: rotatePrismatic 4s linear infinite paused;
}

.btn-glass-cta:hover .btn-prismatic {
    opacity: 0.5;
    animation-play-state: running;
}

@keyframes rotatePrismatic {
    to { transform: rotate(360deg); }
}

/* Hover state - enhanced glass */
.btn-glass-cta:hover::before {
    background: 
        linear-gradient(135deg, 
            rgba(16, 185, 129, 0.35) 0%, 
            rgba(16, 185, 129, 0.2) 50%,
            rgba(52, 211, 153, 0.3) 100%);
    border-color: rgba(52, 211, 153, 0.5);
    box-shadow: 
        inset 0 1px 2px rgba(255, 255, 255, 0.25),
        inset 0 -1px 1px rgba(0, 0, 0, 0.05),
        0 20px 60px -15px rgba(16, 185, 129, 0.5),
        0 0 30px rgba(16, 185, 129, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.12);
}

/* Focus state */
.btn-glass-cta:focus-visible {
    outline: none;
}

.btn-glass-cta:focus-visible .btn-prismatic {
    opacity: 0.7;
    animation-play-state: running;
}

.btn-glass-cta:focus-visible::before {
    box-shadow: 
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        0 0 0 2px var(--azul-medianoche),
        0 0 0 4px var(--color-accent);
}

/* Small variant for navigation */
.btn-glass-cta.btn-glass-sm {
    padding: 0.625rem 1.25rem;
    min-height: 40px;
    font-size: 0.875rem;
    border-radius: 10px;
}

.btn-glass-cta.btn-glass-sm::before {
    border-radius: 10px;
}

.btn-glass-cta.btn-glass-sm::after {
    inset: 2px;
    border-radius: 8px;
}

.btn-glass-cta.btn-glass-sm .btn-prismatic {
    border-radius: 12px;
}

/* Arrow icon */
.btn-glass-cta .btn-arrow {
    position: relative;
    z-index: 1;
    width: 20px;
    height: 20px;
    margin-left: 0.25rem;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-glass-cta:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    min-height: 48px;
    /* Glassmorphism effect */
    border: 1px solid rgba(148, 163, 184, 0.15);
    color: var(--gris-mercurio);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    box-shadow: 0 0 0 0 rgba(148, 163, 184, 0);
    transition: border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-secondary:hover {
    /* Illuminated border on hover */
    border-color: rgba(148, 163, 184, 0.4);
    color: var(--blanco-hielo);
    box-shadow: 0 0 12px rgba(148, 163, 184, 0.15);
}

.btn-secondary:active {
    /* Elastic micro-interaction */
    transform: scale(0.96);
    transition: transform 0.1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-secondary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--azul-medianoche), 0 0 0 4px var(--color-accent);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: calmFadeIn 0.8s ease-out 0.5s forwards;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(180deg, var(--color-accent) 0%, transparent 100%);
    opacity: 0.6;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-line {
        animation: scrollLineAnim 2s ease-in-out infinite;
    }
}

@keyframes scrollLineAnim {
    0% { 
        opacity: 0.3;
        transform: scaleY(0.8);
        transform-origin: top;
    }
    50% { 
        opacity: 0.8;
        transform: scaleY(1);
    }
    100% { 
        opacity: 0.3;
        transform: scaleY(0.8);
    }
}

/* --------------------------------------------------------------------------
   Services Intro
   -------------------------------------------------------------------------- */
.services-intro {
    padding: var(--space-3xl) 0 var(--space-2xl);
    text-align: center;
    position: relative;
    z-index: 1;
}

.section-lead {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 400;
    font-style: italic;
    color: var(--color-text-primary);
    line-height: 1.55;
    max-width: 520px;
    margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Services Section
   -------------------------------------------------------------------------- */
.services {
    padding: var(--space-xl) 0 var(--space-3xl);
    position: relative;
    z-index: 1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.service-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: border-color var(--transition-smooth), background var(--transition-smooth);
}

.service-card:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-border-medium);
}

.service-card:focus-within {
    border-color: var(--gris-mercurio);
}

.service-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(148, 163, 184, 0.06);
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    line-height: 1;
    user-select: none;
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    letter-spacing: 0;
}

.service-subtitle {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    font-style: italic;
    color: var(--gris-mercurio-light);
    margin-bottom: var(--space-md);
}

.service-description {
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border-subtle);
}

.service-description p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-bottom: var(--space-md);
}

.service-features li {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    padding-left: var(--space-md);
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 4px;
    height: 1px;
    background: var(--gris-mercurio-dark);
}

.service-ideal {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-subtle);
    line-height: 1.6;
}

.ideal-label {
    font-family: var(--font-body);
    color: var(--gris-mercurio-light);
    font-weight: 600;
    font-style: italic;
    margin-right: var(--space-xs);
}

/* --------------------------------------------------------------------------
   Sistema 360 Section
   -------------------------------------------------------------------------- */
.sistema-360 {
    position: relative;
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
    overflow: hidden;
    z-index: 1;
}

.sistema-bg-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.bg-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(148, 163, 184, 0.06);
}

.ring-1 { width: 280px; height: 280px; }
.ring-2 { width: 440px; height: 440px; }
.ring-3 { width: 600px; height: 600px; }

@media (prefers-reduced-motion: no-preference) {
    .bg-ring {
        animation: subtleRingPulse 8s ease-in-out infinite;
    }
    .ring-2 { animation-delay: 0.5s; }
    .ring-3 { animation-delay: 1s; }
}

@keyframes subtleRingPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.sistema-content {
    position: relative;
    text-align: center;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sistema-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(148, 163, 184, 0.1);
    color: var(--gris-mercurio-light);
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-subtle);
    margin-bottom: var(--space-md);
}

.sistema-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    letter-spacing: 0;
    margin-bottom: var(--space-xs);
}

.sistema-subtitle {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.sistema-lead {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 420px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.sistema-pillars {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.pillar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.pillar-icon {
    font-size: 1rem;
    color: var(--gris-mercurio-light);
}

.pillar-name {
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-primary);
}

.pillar-connector {
    color: var(--gris-mercurio-dark);
    font-size: 0.875rem;
    font-weight: 300;
}

.sistema-values {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    width: 100%;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.value-number {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gris-mercurio-dark);
}

.value-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.btn-sistema {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    min-height: 48px;
    /* Squeezable Verde Boreal - radial gradient for illuminated center */
    background: radial-gradient(ellipse 80% 60% at 50% 40%, var(--color-accent-hover) 0%, var(--color-accent) 100%);
    color: var(--azul-medianoche);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    transition: box-shadow 0.3s ease, transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-sistema:hover {
    /* Bloom/glow effect Verde Boreal */
    box-shadow: 0 0 24px rgba(16, 185, 129, 0.45), 0 0 48px rgba(16, 185, 129, 0.2);
}

.btn-sistema:active {
    /* Elastic micro-interaction */
    transform: scale(0.96);
    transition: transform 0.1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-sistema:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--azul-medianoche), 0 0 0 4px var(--color-accent);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
    padding: var(--space-3xl) 0;
    background: transparent;
    position: relative;
    z-index: 1;
}

.contact-content {
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.contact-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.btn-contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 2rem;
    min-height: 48px;
    /* Glassmorphism with Verde Boreal accent */
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--blanco-hielo);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    transition: all 0.3s ease, transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-contact:hover {
    /* Illuminated border and subtle glow */
    border-color: var(--color-accent);
    color: var(--blanco-hielo);
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.1);
}

.btn-contact:active {
    /* Elastic micro-interaction */
    transform: scale(0.96);
    transition: transform 0.1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-contact:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--azul-medianoche), 0 0 0 4px var(--color-accent);
}

.btn-contact svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-subtle);
}

.btn-contact:hover svg {
    transform: translateX(3px);
}

.contact-email {
    display: block;
    margin-top: var(--space-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gris-mercurio-dark);
    letter-spacing: 0.02em;
    transition: color var(--transition-subtle);
}

.contact-email:hover {
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--space-xl) 0 var(--space-lg);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-subtle);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
    background: transparent;
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-primary);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-email {
    display: block;
    font-size: 0.875rem;
    color: var(--gris-mercurio-dark);
    margin-top: var(--space-xs);
    transition: color var(--transition-subtle);
}

.footer-email:hover {
    color: var(--color-accent);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--gris-mercurio-dark);
    padding: var(--space-xs);
    min-height: 44px;
    display: flex;
    align-items: center;
    transition: color var(--transition-micro);
}

.footer-links a:hover {
    color: var(--color-text-muted);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-subtle);
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--gris-mercurio-dark);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes calmFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll-triggered animations */
.service-card,
.sistema-content,
.contact-content {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.service-card.visible,
.sistema-content.visible,
.contact-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0s; }
.service-card:nth-child(2) { transition-delay: 0.08s; }
.service-card:nth-child(3) { transition-delay: 0.16s; }
.service-card:nth-child(4) { transition-delay: 0.24s; }

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .pillar-connector {
        display: none;
    }
    
    .sistema-pillars {
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 1.5rem;
        --space-xl: 2.5rem;
        --space-2xl: 4rem;
        --space-3xl: 6rem;
    }
    
    .nav-links a:not(.nav-cta) {
        display: none;
    }
    
    .hero {
        padding-top: var(--space-2xl);
        padding-bottom: var(--space-2xl);
    }
    
    .isologo {
        max-width: 420px;
    }
    
    .hero-cta-group {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
    }
    
    .service-number {
        font-size: 2.5rem;
    }
    
    .sistema-values {
        gap: var(--space-lg);
    }
    
    .sistema-pillars {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .isologo {
        max-width: 320px;
    }
    
    .service-card {
        padding: var(--space-lg);
    }
    
    .hero-scroll-indicator {
        display: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-border-subtle: rgba(148, 163, 184, 0.25);
        --color-border-medium: rgba(148, 163, 184, 0.4);
        --blanco-hielo-muted: rgba(248, 250, 252, 0.95);
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .nav,
    .hero-scroll-indicator,
    .sistema-bg-rings {
        display: none;
    }
    
    .service-card,
    .sistema-content,
    .contact-content {
        opacity: 1;
        transform: none;
    }
}

/* --------------------------------------------------------------------------
   Contact Form Styles
   -------------------------------------------------------------------------- */
.contact-form {
    max-width: 700px;
    margin: 3rem auto 0;
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    margin-bottom: 1.5rem;
}

.form-group label {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    transition: all 0.3s ease;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.05);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb, 180, 160, 140), 0.15);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
    padding-right: 3rem;
}

.form-group select option {
    background: #0F172A;
    background-color: #0F172A !important;
    color: #F8FAFC !important;
    padding: 0.5rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.field-error {
    font-size: 0.8rem;
    color: #ff6b6b;
    min-height: 1.2em;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.form-group.has-error .field-error {
    opacity: 1;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: #ff6b6b;
}

.form-submit {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.btn-submit {
    min-width: 260px;
    justify-content: center;
}

.btn-submit .btn-text {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-submit .btn-loading {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.btn-submit.is-loading .btn-text,
.btn-submit.is-loading .btn-arrow {
    display: none;
}

.btn-submit.is-loading .btn-loading {
    display: inline-flex;
}

.btn-submit .spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Form Messages */
.form-message {
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    display: none;
}

.form-message.visible {
    opacity: 1;
    transform: translateY(0);
    display: block;
}

.form-message.success {
    background: rgba(75, 181, 115, 0.15);
    border: 1px solid rgba(75, 181, 115, 0.3);
    color: #7dd99d;
}

.form-message.error {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: #ff8a8a;
}

.contact-alternative {
    margin-top: 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

.contact-alternative a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.3);
    text-underline-offset: 3px;
    transition: all 0.2s ease;
}

.contact-alternative a:hover {
    color: var(--color-accent);
    text-decoration-color: var(--color-accent);
}

/* Honeypot - oculto para humanos, visible para bots */
.form-group.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* --------------------------------------------------------------------------
   WhatsApp Floating Button
   -------------------------------------------------------------------------- */
.whatsapp-float {
    position: fixed !important;
    bottom: 28px !important;
    right: 28px !important;
    width: 60px !important;
    height: 60px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%) !important;
    border-radius: 50% !important;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 9999 !important;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none !important;
    overflow: visible !important;
}

.whatsapp-float:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5), 0 0 40px rgba(37, 211, 102, 0.3);
}

.whatsapp-float:active {
    transform: translateY(-2px) scale(0.98);
}

/* Pulse ring animation */
.whatsapp-pulse {
    position: absolute !important;
    inset: -4px !important;
    border-radius: 50% !important;
    border: 2px solid rgba(37, 211, 102, 0.5) !important;
    pointer-events: none !important;
    animation: whatsappPulse 2.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes whatsappPulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.15);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

/* Icon */
.whatsapp-icon {
    width: 32px !important;
    height: 32px !important;
    display: block !important;
    fill: #ffffff !important;
    position: relative !important;
    z-index: 1 !important;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover .whatsapp-icon {
    transform: scale(1.1);
}

/* Focus state for accessibility */
.whatsapp-float:focus-visible {
    outline: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 3px #0F172A, 0 0 0 5px #25D366;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px !important;
        right: 20px !important;
        width: 56px !important;
        height: 56px !important;
    }
    
    .whatsapp-icon {
        width: 28px !important;
        height: 28px !important;
    }
}

@media (max-width: 480px) {
    .whatsapp-float {
        bottom: 16px !important;
        right: 16px !important;
        width: 52px !important;
        height: 52px !important;
    }
    
    .whatsapp-icon {
        width: 26px !important;
        height: 26px !important;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .whatsapp-float,
    .whatsapp-icon {
        transition-duration: 0.01ms !important;
    }
    
    .whatsapp-pulse {
        animation: none !important;
    }
}