/* ============================================
   PawSoft - Landing Page
   ============================================
   Página principal pública del proyecto.
   
   CAMBIOS (Junio 2026):
   -------------------------------------------------
   - Reescritura completa de la landing page
   - Nueva identidad visual: PawSoft para clínicas
     veterinarias (antes: "Speech to Text with IA")
   - Tema púrpura consistente con login.css
   - Secciones: Hero, Servicios, Cómo funciona,
     Beneficios, CTA, Footer
   - Diseño responsivo moderno
   - Animaciones suaves en scroll y hover
   ============================================ */

/* ============================================
   VARIABLES (consistentes con login.css)
   ============================================ */
:root {
    --primary:          #7C3AED;
    --primary-dark:     #6D28D9;
    --primary-darker:   #5B21B6;
    --primary-light:    #8B5CF6;
    --primary-lighter:  #A78BFA;
    --primary-bg:       #F5F3FF;
    --primary-border:   #DDD6FE;
    --primary-shadow:       rgba(124, 58, 237, 0.2);
    --primary-shadow-hover: rgba(124, 58, 237, 0.35);

    --text-primary:   #1F2937;
    --text-secondary: #6B7280;
    --text-light:     #9CA3AF;

    --bg-body:  #FAFAFA;
    --bg-white: #FFFFFF;

    --border-color: #E5E7EB;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);

    --transition: all 0.3s ease;

    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border-color);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.nav-logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.nav-logo span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--primary);
    background-color: var(--primary-bg);
}

.nav-link.active {
    color: var(--primary);
}

.btn-nav {
    color: var(--primary) !important;
    border: 1.5px solid var(--primary-border);
    padding: 0.5rem 1.2rem !important;
}

.btn-nav:hover {
    background-color: var(--primary-bg) !important;
}

.btn-nav-primary {
    color: white !important;
    background-color: var(--primary);
    padding: 0.5rem 1.2rem !important;
    box-shadow: 0 2px 8px var(--primary-shadow);
}

.btn-nav-primary:hover {
    background-color: var(--primary-dark) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--primary-shadow-hover);
}

/* Nav toggle para mobile */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, #FAFAFA 0%, #F5F3FF 40%, #EDE9FE 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeLeft 0.8s ease;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: var(--primary-bg);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid var(--primary-border);
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.hero-title span {
    color: var(--primary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 540px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.btn-primary,
.btn-secondary {
    padding: 0.85rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    display: inline-block;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 14px var(--primary-shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-shadow-hover);
}

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

.btn-secondary:hover {
    background-color: var(--primary-bg);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

/* Stats */
.hero-stats {
    display: flex;
    gap: 2.5rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    aspect-ratio: 4/3;
    animation: fadeRight 0.8s ease;
}

/* ============================================
   SECCIONES GENÉRICAS
   ============================================ */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    background-color: var(--primary-bg);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border: 1px solid var(--primary-border);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   SERVICIOS
   ============================================ */
.services {
    background-color: var(--bg-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    justify-items: center;
}

.service-card {
    background-color: var(--bg-body);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    max-width: 320px;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-border);
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    background-color: var(--primary-bg);
    border-radius: var(--radius-md);
    color: var(--primary);
    margin-bottom: 1.25rem;
}

.service-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   CÓMO FUNCIONA
   ============================================ */
.how-it-works {
    background: linear-gradient(135deg, #F5F3FF 0%, #FAFAFA 100%);
}

.steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: 700px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    width: 100%;
    padding: 1.5rem;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.step:hover {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-sm);
}

.step-number {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    font-size: 1.2rem;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: 0 4px 10px var(--primary-shadow);
}

.step-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-connector {
    width: 2px;
    height: 32px;
    background: linear-gradient(to bottom, var(--primary-border), var(--primary-light));
    margin: 0 0 0 1.5rem;
}

/* ============================================
   BENEFICIOS
   ============================================ */
.benefits {
    background-color: var(--bg-white);
}

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

.benefit-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.benefit-item:hover {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-bg);
    border-radius: var(--radius-md);
    color: var(--primary);
}

.benefit-item h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.benefit-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   CTA
   ============================================ */
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-darker) 100%);
    padding: 5rem 2rem;
    text-align: center;
}

.cta-container {
    max-width: 650px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.cta .btn-secondary {
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.cta .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: #1F2937;
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 2rem 0;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    padding-bottom: 3rem;
}

.footer-logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
}

.footer-logo span {
    color: var(--primary-light);
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    max-width: 280px;
    line-height: 1.6;
}

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

.footer-col h4 {
    color: white;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

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

.footer-bottom a:hover {
    color: white;
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.5rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        transform: translateY(-120%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero {
        padding: 6rem 1.5rem 3rem;
        min-height: auto;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-image img {
        aspect-ratio: 16/9;
    }

    .section-container {
        padding: 3.5rem 1.5rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

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

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

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }

    .cta h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.7rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.35rem 0.8rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        text-align: center;
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .stat {
        align-items: center;
    }

    .section-badge {
        font-size: 0.7rem;
        padding: 0.3rem 0.8rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .section-header p {
        font-size: 0.95rem;
    }

    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
    }

    .step-connector {
        margin: 0;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cta h2 {
        font-size: 1.5rem;
    }

    .cta p {
        font-size: 0.95rem;
    }

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

    .cta-actions {
        flex-direction: column;
    }
}