/* ============================================
   CRM Inmobiliario Vulpik — Styles v1.0
   ============================================ */

/* Variables */
:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #DBEAFE;
    --secondary: #0F172A;
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --danger: #EF4444;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --white: #FFFFFF;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--gray-700);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--primary-dark);
}

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

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-sm { padding: 0.375rem 0.875rem; font-size: 0.875rem; }
.btn-lg { padding: 0.875rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* ============================================
   NAVEGACIÓN
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.logo:hover { color: var(--gray-900); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--gray-600);
    font-size: 0.9375rem;
    font-weight: 500;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.375rem 1rem;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray-500);
    max-width: 640px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.375rem;
    display: block;
}

/* ============================================
   SECCIONES
   ============================================ */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3.5rem;
}

.section-tag {
    display: inline-block;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-500);
}

/* ============================================
   CARDS — Problema
   ============================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--gray-300);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.card p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ============================================
   FEATURES — Solución
   ============================================ */
.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.feature-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-md);
}

.feature-content h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.375rem;
}

.feature-content p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ============================================
   MÓDULOS
   ============================================ */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.module-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #7C3AED);
    transform: scaleX(0);
    transition: var(--transition);
}

.module-card:hover::before {
    transform: scaleX(1);
}

.module-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.module-number {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--primary);
    background: var(--primary-light);
    padding: 0.25rem 0.625rem;
    border-radius: 100px;
    display: inline-block;
    margin-bottom: 1rem;
}

.module-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.module-card > p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.module-features li {
    font-size: 0.875rem;
    color: var(--gray-600);
    padding: 0.25rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.module-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* ============================================
   PRECIOS
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 960px;
    margin: 0 auto;
    align-items: start;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 2px solid var(--gray-200);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--gray-300);
}

.pricing-featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.03);
}

.pricing-featured:hover {
    border-color: var(--primary-dark);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), #7C3AED);
    color: var(--white);
    padding: 0.375rem 1rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.pricing-price {
    margin-bottom: 0.75rem;
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--gray-400);
}

.pricing-users {
    font-size: 0.9375rem;
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

.pricing-users strong {
    color: var(--gray-700);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 1.5rem;
}

.pricing-features li {
    font-size: 0.9375rem;
    color: var(--gray-600);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    text-align: center;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

.pricing-note p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    margin: 0.5rem 0;
}

/* ============================================
   ROADMAP
   ============================================ */
.roadmap-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.roadmap-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem 0;
    position: relative;
}

.roadmap-marker {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--gray-500);
    z-index: 1;
}

.roadmap-current .roadmap-marker {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.roadmap-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
    flex: 1;
}

.roadmap-content h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
    display: inline;
}

.roadmap-status {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: 100px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.roadmap-current .roadmap-status {
    background: var(--success-light);
    color: var(--success);
}

.roadmap-item:not(.roadmap-current) .roadmap-status {
    background: var(--gray-100);
    color: var(--gray-500);
}

.roadmap-content ul {
    list-style: none;
    margin-top: 0.75rem;
}

.roadmap-content li {
    font-size: 0.9375rem;
    color: var(--gray-500);
    padding: 0.25rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.roadmap-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--gray-400);
}

/* ============================================
   CONTACTO
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: start;
}

.contact-info h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--gray-900);
    margin: 0.75rem 0 1rem;
    letter-spacing: -0.02em;
}

.contact-info > p {
    font-size: 1.0625rem;
    color: var(--gray-500);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--gray-600);
}

.contact-icon {
    font-size: 1.25rem;
}

/* Formulario */
.contact-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.25rem;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: var(--white);
    color: var(--gray-800);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' 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 0.75rem center;
    padding-right: 2.5rem;
}

.form-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--gray-400);
    margin-top: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand .logo:hover {
    color: var(--white);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 320px;
}

.footer-links h4 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
}

.footer-spec {
    font-size: 0.75rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

/* ============================================
   TOAST
   ============================================ */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--gray-900);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transform: translateY(120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toast-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.toast-message strong {
    display: block;
    font-size: 0.9375rem;
}

.toast-message p {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin: 0;
}

/* ============================================
   ANIMACIONES DE ENTRADA
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
    }

    .features-list {
        grid-template-columns: 1fr;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .pricing-featured {
        transform: none;
        order: -1;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-brand p {
        max-width: none;
    }

    .roadmap-timeline::before {
        left: 20px;
    }

    .roadmap-marker {
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 60px 0;
    }

    .card, .module-card, .pricing-card, .contact-form {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }
}