/* ==============================================
   CSS Custom Properties (Variables)
============================================== */
:root {
    /* Color Palette Extracted from Image */
    --color-primary: #323e4e;
    /* Slate Navy */
    --color-primary-light: #5e646f;
    /* Slate Gray */
    --color-secondary: #6e913d;
    /* Olive Green Accent */
    --color-whatsapp: #25D366;
    /* WhatsApp Green */
    --color-whatsapp-hover: #1EBE5D;

    --color-bg-light: #ffffff;
    --color-bg-alt: #f3f5ed;
    /* Light Sage Background */
    --color-text-main: #323e4e;
    --color-text-muted: #5e646f;
    --color-border: #e0e5cf;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacings */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Shadows & Effects */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-floating: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ==============================================
   Reset & Base Styles
============================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-main);
    color: var(--color-text-main);
    background-color: var(--color-bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

/* ==============================================
   Typography
============================================== */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-inline: auto;
}

/* ==============================================
   Buttons
============================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp {
    background-color: var(--color-whatsapp);
    color: white;
}

.btn-whatsapp:hover {
    background-color: var(--color-whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-whatsapp {
    background-color: transparent;
    color: var(--color-whatsapp);
    border: 2px solid var(--color-whatsapp);
}

.btn-outline-whatsapp:hover {
    background-color: var(--color-whatsapp);
    color: white;
}

.btn-whatsapp-large {
    background-color: var(--color-whatsapp);
    color: white;
    padding: 1rem 2rem;
    font-size: 1.25rem;
}

.btn-whatsapp-large:hover {
    background-color: var(--color-whatsapp-hover);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.wa-icon {
    width: 20px;
    height: 20px;
}

/* ==============================================
   Header
============================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-siigo {
    color: #0051ff;
    /* Azul Corporativo Siigo */
}

.logo-aspel {
    color: var(--color-secondary);
    opacity: 0.9;
}

.nav-links {
    display: none;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text-main);
    transition: color var(--transition-fast);
}

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

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

/* ==============================================
   Hero Section
============================================== */
.hero {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg-light) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

@media (min-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
    }
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(37, 211, 102, 0.1);
    color: #1a9c4b;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.hero-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -1px;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    z-index: 1;
}

.hero-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-floating);
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    object-position: center top;
}

.floating-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: float 6s ease-in-out infinite;
    z-index: 2;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

.floating-card .icon {
    font-size: 2rem;
}

.floating-card .text strong {
    display: block;
    font-size: 1.5rem;
    color: var(--color-whatsapp);
}

.floating-card .text span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ==============================================
   Propuesta de Valor (Benefits)
============================================== */
.value-prop {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit-card {
    padding: 2rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.benefit-card p {
    color: var(--color-text-muted);
}

/* ==============================================
   Soluciones (Acordeón)
============================================== */
.solutions {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-alt);
}

.accordion-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition-fast);
}

.accordion-item:hover {
    box-shadow: var(--shadow-sm);
}

.accordion-item.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.accordion-header {
    width: 100%;
    text-align: left;
    padding: 1.5rem;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: inherit;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-main);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.accordion-header:hover {
    background-color: var(--color-bg-alt);
}

.accordion-item.active .accordion-header {
    color: var(--color-primary);
    background-color: var(--color-bg-light);
}

.acc-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.acc-title .icon {
    font-size: 1.75rem;
}

.acc-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-text-muted);
    transition: transform var(--transition-normal);
}

.accordion-item.active .acc-icon {
    transform: rotate(45deg);
    color: var(--color-primary);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.accordion-inner {
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.accordion-item.active .accordion-inner {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    margin-top: -1px;
}

.solution-features {
    list-style: none;
}

.solution-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-main);
}

.solution-features li:last-child {
    margin-bottom: 0;
}

.solution-features li span {
    color: var(--color-whatsapp);
    font-weight: bold;
}

/* ==============================================
   Testimonios
============================================== */
.testimonials {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.testimonial-card {
    padding: 2.5rem;
    background: #f8fafc;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    position: relative;
}

.stars {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.quote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-text-main);
    margin-bottom: 1.5rem;
}

.author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
}

.author-info strong {
    display: block;
    color: var(--color-primary);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ==============================================
   CTA Final
============================================== */
.cta-final {
    position: relative;
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #001f60 100%);
    color: white;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml;utf8,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="2" fill="rgba(255,255,255,0.05)"/></svg>') repeat;
}

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

.cta-content h2 {
    color: white;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* ==============================================
   Footer
============================================== */
.footer {
    background-color: var(--color-primary);
    color: #94a3b8;
    padding-top: var(--spacing-xl);
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-container {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand p {
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-links a {
    display: block;
    margin-bottom: 0.75rem;
    transition: color 0.2s;
}

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

.footer-contact p {
    margin-bottom: 0.75rem;
}

.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
}

/* ==============================================
   Floating WhatsApp Button
============================================== */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--color-whatsapp);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.floating-whatsapp svg {
    width: 35px;
    height: 35px;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background-color: var(--color-whatsapp-hover);
    box-shadow: 0 15px 25px rgba(37, 211, 102, 0.4);
}

/* ==============================================
   Animations (Intersection Observer Classes)
============================================== */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in {
    transform: translateY(0);
}

.slide-up {
    transform: translateY(40px);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}