:root {
    --bg-color: #ffffff;
    --surface-color: #ffffff;
    --surface-light: #f8fafc;
    --primary: #059669;       /* Verde más serio y menos vibrante */
    --primary-dark: #047857;
    --primary-glow: rgba(5, 150, 105, 0.15);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
}

body {
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--primary-dark);
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
    position: relative;
}

.text-center {
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background: #0f172a;
    color: #fff;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(15, 23, 42, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid #0f172a;
    color: #0f172a;
}

.btn-outline:hover {
    background: #0f172a;
    color: #fff;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s ease;
    padding: 1.5rem 0;
    background: transparent;
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid #e2e8f0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-main);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

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

.nav-links a:not(.btn) {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 2rem;
    background-image: none;
    background-color: var(--bg-color);
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
    opacity: 0; /* Starts at 0, animation controls it */
    pointer-events: none;
    animation: videoFadeIn 1.5s ease-in-out forwards;
}

@keyframes videoFadeIn {
    0% { opacity: 0; }
    100% { opacity: 0.6; }
}

.video-sync-fade {
    opacity: 0;
    filter: blur(10px);
    animation: shadeSyncFade 2.5s cubic-bezier(0.2, 0.8, 0.2, 1) 0.5s forwards;
}

@keyframes shadeSyncFade {
    0% { opacity: 0; transform: translateY(10px); filter: blur(10px); }
    100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.35); /* Opacidad reducida para mostrar más el video */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    text-align: center;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 500;
    color: var(--text-main);
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.8); /* Glow para máxima legibilidad contra el video */
    margin-bottom: 3rem;
    max-width: 700px;
    margin-inline: auto;
}

/* About Section */
.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.align-center {
    align-items: center;
}

.section-badge {
    display: inline-block;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.text-block h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.text-block p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.visual-block {
    position: relative;
}

.abstract-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.glow-orb {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: var(--primary);
    filter: blur(80px);
    opacity: 0.2;
    border-radius: 50%;
}

.abstract-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.abstract-card p {
    color: var(--text-muted);
    position: relative;
    z-index: 2;
}

/* Services */
.section-heading {
    text-align: center;
    margin-bottom: 5rem;
}

.section-heading h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-heading p {
    color: var(--text-muted);
    font-size: 1.2rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    padding: 3rem 2rem;
    border-radius: 8px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: var(--surface-light);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.15);
}

.feature-card:hover::before {
    opacity: 1;
}

.card-icon {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(16, 185, 129, 0.2);
    margin-bottom: 1.5rem;
    transition: color 0.4s ease;
}

.feature-card:hover .card-icon {
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* What's Included Section */
.included-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.included-item {
    position: relative;
    background: var(--surface-color);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 16px;
    padding: 2.5rem 1.5rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02), 0 10px 15px rgba(0,0,0,0.03);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    z-index: 1;
}

.included-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(16, 185, 129, 0.1), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
    pointer-events: none;
}

.included-item:hover {
    transform: translateY(-8px);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.1);
}

.included-item:hover .included-glow {
    opacity: 1;
}

.included-icon-wrapper {
    width: 56px;
    height: 56px;
    background: rgba(16, 185, 129, 0.08);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    margin-bottom: 1.5rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.included-item:hover .included-icon-wrapper {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

.included-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
    transition: color 0.3s ease;
}

.included-item:hover .included-content h3 {
    color: var(--primary-dark);
}

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

@media (max-width: 1024px) {
    .included-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .included-grid {
        grid-template-columns: 1fr;
    }
}

/* Differentiation */
.massive-text {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 2rem;
}

.diff-sub {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}

/* CTA */
.cta-box {
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.02) 0%, rgba(16, 185, 129, 0.06) 100%);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 12px;
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 200px;
    background: var(--primary);
    filter: blur(150px);
    opacity: 0.25;
    z-index: 0;
}

.cta-box h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta-box p {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.cta-box .btn {
    position: relative;
    z-index: 1;
}

/* Footer */
.footer {
    border-top: 1px solid #e2e8f0;
    padding: 4rem 0 2rem;
    background: var(--surface-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo {
    height: 28px;
    border-radius: 4px;
    filter: drop-shadow(0 0 4px var(--primary-glow));
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 2rem;
}

/* Animations using an in-view class */
.fade-up, .fade-in-left, .fade-in-right {
    opacity: 0;
    will-change: transform, opacity;
}

.fade-up {
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-left {
    transform: translateX(-30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-right {
    transform: translateX(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.in-view {
    opacity: 1;
    transform: translate(0, 0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.8s; }

/* Lists & Custom Elements */
.pain-list {
    list-style: none;
    margin-bottom: 2rem;
}

.pain-list li {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-main);
}

.pain-list .cross {
    font-size: 1.2rem;
}

.glass-btn {
    background: rgba(255, 255, 255, 0.4) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-color: #0f172a !important;
    color: var(--text-main) !important;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.8) !important;
    border-color: #0f172a !important;
}

.cards-grid.cards-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Premium Service Background Section */
.premium-bg {
    position: relative;
    overflow: hidden;
    padding: 10rem 0;
}

.premium-bg-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.premium-bg-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1; /* Mostrar la imagen con toda su claridad */
    transform: scale(2.5); /* Aumentado para un look macro / nodos grandes */
    object-position: center center;
}

.premium-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Transparente en el centro para dejar brillar la gráfica, disipando a blanco solo en los bordes */
    background: radial-gradient(circle at center, rgba(255,255,255,0) 0%, rgba(255,255,255,0.7) 100%);
    pointer-events: none;
}

.premium-content-wrapper {
    padding: 5rem 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.premium-content-wrapper h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.premium-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.premium-list li {
    font-size: 1rem;
    margin-bottom: 0;
    background: var(--surface-color);
    padding: 0.8rem 1.4rem;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .cards-grid.cards-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .cards-grid.cards-4 {
        grid-template-columns: 1fr;
    }
    .section-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(5,5,5,0.98);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}