/* ============================================
   PLC ANALYZER PRO - LANDING PAGE STYLES
   ============================================ */

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

:root {
    --primary-color: #1e3c72;
    --secondary-color: #00d4ff;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-white: #ffffff;
    --bg-light: #f5f5f5;
    --gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #1e3c72 100%);
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 24px;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 32px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--secondary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    margin-top: 80px;
    padding: 80px 0;
    background: var(--gradient);
    color: var(--bg-white);
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: var(--secondary-color);
    display: inline-block;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 30px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: #0099ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--bg-white);
    border: 2px solid var(--bg-white);
}

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

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

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

.btn-full {
    width: 100%;
}

.trust-badges {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

/* ============================================
   SECTIONS
   ============================================ */

section {
    padding: 80px 0;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.section-intro {
    text-align: center;
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 50px;
    color: var(--text-light);
}

/* ============================================
   GRIDS
   ============================================ */

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.feature-card ul {
    list-style: none;
}

.feature-card li {
    padding: 5px 0;
    font-size: 15px;
}

/* ============================================
   PROBLEMA SECTION
   ============================================ */

.problema {
    background: var(--bg-light);
}

.stat-box {
    background: var(--primary-color);
    color: var(--bg-white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    margin-top: 40px;
}

/* ============================================
   SOLUCIÓN SECTION
   ============================================ */

.tech-badge {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    margin-top: 40px;
}

.tech-badge p {
    margin: 10px 0;
}

/* ============================================
   TIMELINE (CÓMO FUNCIONA)
   ============================================ */

.como-funciona {
    background: var(--bg-light);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 32px;
    top: 70px;
    width: 2px;
    height: calc(100% + 20px);
    background: var(--secondary-color);
}

.timeline-icon {
    min-width: 64px;
    height: 64px;
    background: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 900;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.timeline-content h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.timeline-time {
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 10px;
}

.timeline-total {
    text-align: center;
    font-size: 20px;
    margin-top: 30px;
}

/* ============================================
   PRICING (SERVICIOS)
   ============================================ */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.pricing-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.pricing-card.featured {
    border: 3px solid var(--secondary-color);
    transform: scale(1.05);
}

.pricing-badge {
    background: var(--primary-color);
    color: var(--bg-white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 20px;
}

.pricing-badge.popular {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.pricing-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.price {
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    font-weight: 900;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.pricing-desc {
    color: var(--text-light);
    margin-bottom: 25px;
    min-height: 60px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--bg-light);
}

.pricing-note {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

.pricing-note p {
    margin: 10px 0;
    font-weight: 600;
}

/* ============================================
   ABOUT (QUIÉN SOY)
   ============================================ */

.about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

.placeholder-image {
    width: 100%;
    aspect-ratio: 1;
    background: var(--primary-color);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 18px;
    font-weight: 700;
    text-align: center;
}

.about-text h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.about-subtitle {
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 20px;
}

.about-bio {
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 30px;
}

.highlight-item {
    background: var(--bg-white);
    padding: 15px;
    border-radius: 8px;
    font-size: 14px;
}

.highlight-item strong {
    font-size: 20px;
    margin-right: 8px;
}

/* ============================================
   MARCAS
   ============================================ */

.marcas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.marca-item {
    background: var(--bg-white);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.marca-item strong {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.marca-item p {
    font-size: 14px;
    color: var(--text-light);
}

.marcas-note {
    text-align: center;
    font-style: italic;
    color: var(--text-light);
}

/* ============================================
   CONTACTO
   ============================================ */

.contacto {
    background: var(--gradient);
    color: var(--bg-white);
}

.contacto .section-title {
    color: var(--bg-white);
}

.contacto .section-intro {
    color: rgba(255, 255, 255, 0.9);
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contacto-info h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    margin-bottom: 30px;
}

.contacto-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.contacto-icon {
    font-size: 32px;
}

.contacto-item strong {
    display: block;
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 5px;
}

.contacto-item a {
    color: var(--secondary-color);
    text-decoration: none;
}

.contacto-item a:hover {
    text-decoration: underline;
}

.trust-items {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-items p {
    margin: 8px 0;
}

/* FORM */
.contacto-form {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--bg-light);
    border-radius: 8px;
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group textarea {
    resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    margin-bottom: 20px;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-location {
    margin-top: 15px;
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 30px;
    text-align: center;
    opacity: 0.6;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 28px;
    }

    .grid-4, .grid-3 {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        flex-direction: column;
        gap: 15px;
    }

    .timeline-item::after {
        display: none;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .contacto-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .hero-title {
        font-size: 40px;
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card.featured {
        grid-column: 1 / -1;
    }
}

/* ============================================
   UTILITIES
   ============================================ */

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

.mb-30 {
    margin-bottom: 30px;
}

.mt-30 {
    margin-top: 30px;
}